author | zgu |
Tue, 15 Oct 2019 22:22:23 -0400 | |
changeset 58641 | 55fe0d93bdd3 |
parent 58554 | 8c3c39710a08 |
child 58679 | 9c3209ff7550 |
child 59122 | 5d73255c2d52 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "asm/macroAssembler.hpp" |
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#include "asm/macroAssembler.inline.hpp" |
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#include "code/debugInfoRec.hpp" |
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#include "code/icBuffer.hpp" |
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#include "code/nativeInst.hpp" |
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#include "code/vtableStubs.hpp" |
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#include "gc/shared/gcLocker.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "logging/log.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "oops/compiledICHolder.hpp" |
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#include "oops/klass.inline.hpp" |
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#include "runtime/safepointMechanism.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/vframeArray.hpp" |
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#include "utilities/align.hpp" |
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#include "vmreg_x86.inline.hpp" |
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#ifdef COMPILER1 |
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#include "c1/c1_Runtime1.hpp" |
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#endif |
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#ifdef COMPILER2 |
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#include "opto/runtime.hpp" |
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#endif |
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#include "vm_version_x86.hpp" |
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#define __ masm-> |
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const int StackAlignmentInSlots = StackAlignmentInBytes / VMRegImpl::stack_slot_size; |
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class RegisterSaver { |
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// Capture info about frame layout |
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#define DEF_XMM_OFFS(regnum) xmm ## regnum ## _off = xmm_off + (regnum)*16/BytesPerInt, xmm ## regnum ## H_off |
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enum layout { |
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fpu_state_off = 0, |
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fpu_state_end = fpu_state_off+FPUStateSizeInWords, |
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st0_off, st0H_off, |
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st1_off, st1H_off, |
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st2_off, st2H_off, |
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st3_off, st3H_off, |
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st4_off, st4H_off, |
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st5_off, st5H_off, |
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st6_off, st6H_off, |
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st7_off, st7H_off, |
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xmm_off, |
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DEF_XMM_OFFS(0), |
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DEF_XMM_OFFS(1), |
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DEF_XMM_OFFS(2), |
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DEF_XMM_OFFS(3), |
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DEF_XMM_OFFS(4), |
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DEF_XMM_OFFS(5), |
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DEF_XMM_OFFS(6), |
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DEF_XMM_OFFS(7), |
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flags_off = xmm7_off + 16/BytesPerInt + 1, // 16-byte stack alignment fill word |
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rdi_off, |
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rsi_off, |
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ignore_off, // extra copy of rbp, |
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rsp_off, |
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rbx_off, |
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rdx_off, |
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rcx_off, |
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rax_off, |
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// The frame sender code expects that rbp will be in the "natural" place and |
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// will override any oopMap setting for it. We must therefore force the layout |
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// so that it agrees with the frame sender code. |
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rbp_off, |
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return_off, // slot for return address |
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reg_save_size }; |
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enum { FPU_regs_live = flags_off - fpu_state_end }; |
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public: |
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static OopMap* save_live_registers(MacroAssembler* masm, int additional_frame_words, |
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int* total_frame_words, bool verify_fpu = true, bool save_vectors = false); |
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static void restore_live_registers(MacroAssembler* masm, bool restore_vectors = false); |
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static int rax_offset() { return rax_off; } |
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static int rbx_offset() { return rbx_off; } |
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// Offsets into the register save area |
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// Used by deoptimization when it is managing result register |
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// values on its own |
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static int raxOffset(void) { return rax_off; } |
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static int rdxOffset(void) { return rdx_off; } |
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static int rbxOffset(void) { return rbx_off; } |
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static int xmm0Offset(void) { return xmm0_off; } |
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// This really returns a slot in the fp save area, which one is not important |
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static int fpResultOffset(void) { return st0_off; } |
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// During deoptimization only the result register need to be restored |
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// all the other values have already been extracted. |
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static void restore_result_registers(MacroAssembler* masm); |
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}; |
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OopMap* RegisterSaver::save_live_registers(MacroAssembler* masm, int additional_frame_words, |
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int* total_frame_words, bool verify_fpu, bool save_vectors) { |
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int num_xmm_regs = XMMRegisterImpl::number_of_registers; |
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int ymm_bytes = num_xmm_regs * 16; |
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int zmm_bytes = num_xmm_regs * 32; |
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#ifdef COMPILER2 |
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if (save_vectors) { |
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assert(UseAVX > 0, "Vectors larger than 16 byte long are supported only with AVX"); |
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assert(MaxVectorSize <= 64, "Only up to 64 byte long vectors are supported"); |
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// Save upper half of YMM registers |
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int vect_bytes = ymm_bytes; |
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if (UseAVX > 2) { |
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// Save upper half of ZMM registers as well |
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vect_bytes += zmm_bytes; |
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} |
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additional_frame_words += vect_bytes / wordSize; |
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} |
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#else |
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assert(!save_vectors, "vectors are generated only by C2"); |
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#endif |
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int frame_size_in_bytes = (reg_save_size + additional_frame_words) * wordSize; |
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int frame_words = frame_size_in_bytes / wordSize; |
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*total_frame_words = frame_words; |
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assert(FPUStateSizeInWords == 27, "update stack layout"); |
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// save registers, fpu state, and flags |
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// We assume caller has already has return address slot on the stack |
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// We push epb twice in this sequence because we want the real rbp, |
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// to be under the return like a normal enter and we want to use pusha |
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// We push by hand instead of using push. |
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__ enter(); |
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__ pusha(); |
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__ pushf(); |
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__ subptr(rsp,FPU_regs_live*wordSize); // Push FPU registers space |
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__ push_FPU_state(); // Save FPU state & init |
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if (verify_fpu) { |
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// Some stubs may have non standard FPU control word settings so |
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// only check and reset the value when it required to be the |
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// standard value. The safepoint blob in particular can be used |
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// in methods which are using the 24 bit control word for |
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// optimized float math. |
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#ifdef ASSERT |
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// Make sure the control word has the expected value |
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Label ok; |
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__ cmpw(Address(rsp, 0), StubRoutines::fpu_cntrl_wrd_std()); |
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__ jccb(Assembler::equal, ok); |
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__ stop("corrupted control word detected"); |
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__ bind(ok); |
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#endif |
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// Reset the control word to guard against exceptions being unmasked |
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// since fstp_d can cause FPU stack underflow exceptions. Write it |
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// into the on stack copy and then reload that to make sure that the |
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// current and future values are correct. |
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__ movw(Address(rsp, 0), StubRoutines::fpu_cntrl_wrd_std()); |
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} |
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__ frstor(Address(rsp, 0)); |
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if (!verify_fpu) { |
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// Set the control word so that exceptions are masked for the |
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// following code. |
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__ fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_std())); |
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} |
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int off = st0_off; |
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int delta = st1_off - off; |
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1 | 192 |
// Save the FPU registers in de-opt-able form |
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for (int n = 0; n < FloatRegisterImpl::number_of_registers; n++) { |
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__ fstp_d(Address(rsp, off*wordSize)); |
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off += delta; |
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} |
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off = xmm0_off; |
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delta = xmm1_off - off; |
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if(UseSSE == 1) { |
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// Save the XMM state |
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for (int n = 0; n < num_xmm_regs; n++) { |
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__ movflt(Address(rsp, off*wordSize), as_XMMRegister(n)); |
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off += delta; |
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} |
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} else if(UseSSE >= 2) { |
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// Save whole 128bit (16 bytes) XMM registers |
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for (int n = 0; n < num_xmm_regs; n++) { |
209 |
__ movdqu(Address(rsp, off*wordSize), as_XMMRegister(n)); |
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off += delta; |
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} |
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} |
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if (save_vectors) { |
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__ subptr(rsp, ymm_bytes); |
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// Save upper half of YMM registers |
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for (int n = 0; n < num_xmm_regs; n++) { |
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__ vextractf128_high(Address(rsp, n*16), as_XMMRegister(n)); |
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} |
30624 | 220 |
if (UseAVX > 2) { |
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__ subptr(rsp, zmm_bytes); |
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// Save upper half of ZMM registers |
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223 |
for (int n = 0; n < num_xmm_regs; n++) { |
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224 |
__ vextractf64x4_high(Address(rsp, n*32), as_XMMRegister(n)); |
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} |
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} |
1 | 227 |
} |
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__ vzeroupper(); |
1 | 229 |
|
230 |
// Set an oopmap for the call site. This oopmap will map all |
|
231 |
// oop-registers and debug-info registers as callee-saved. This |
|
232 |
// will allow deoptimization at this safepoint to find all possible |
|
233 |
// debug-info recordings, as well as let GC find all oops. |
|
234 |
||
235 |
OopMapSet *oop_maps = new OopMapSet(); |
|
236 |
OopMap* map = new OopMap( frame_words, 0 ); |
|
237 |
||
238 |
#define STACK_OFFSET(x) VMRegImpl::stack2reg((x) + additional_frame_words) |
|
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#define NEXTREG(x) (x)->as_VMReg()->next() |
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240 |
|
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map->set_callee_saved(STACK_OFFSET(rax_off), rax->as_VMReg()); |
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map->set_callee_saved(STACK_OFFSET(rcx_off), rcx->as_VMReg()); |
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map->set_callee_saved(STACK_OFFSET(rdx_off), rdx->as_VMReg()); |
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map->set_callee_saved(STACK_OFFSET(rbx_off), rbx->as_VMReg()); |
1 | 245 |
// rbp, location is known implicitly, no oopMap |
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map->set_callee_saved(STACK_OFFSET(rsi_off), rsi->as_VMReg()); |
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map->set_callee_saved(STACK_OFFSET(rdi_off), rdi->as_VMReg()); |
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248 |
// %%% This is really a waste but we'll keep things as they were for now for the upper component |
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off = st0_off; |
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250 |
delta = st1_off - off; |
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251 |
for (int n = 0; n < FloatRegisterImpl::number_of_registers; n++) { |
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252 |
FloatRegister freg_name = as_FloatRegister(n); |
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map->set_callee_saved(STACK_OFFSET(off), freg_name->as_VMReg()); |
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254 |
map->set_callee_saved(STACK_OFFSET(off+1), NEXTREG(freg_name)); |
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255 |
off += delta; |
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256 |
} |
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off = xmm0_off; |
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258 |
delta = xmm1_off - off; |
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259 |
for (int n = 0; n < num_xmm_regs; n++) { |
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260 |
XMMRegister xmm_name = as_XMMRegister(n); |
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261 |
map->set_callee_saved(STACK_OFFSET(off), xmm_name->as_VMReg()); |
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262 |
map->set_callee_saved(STACK_OFFSET(off+1), NEXTREG(xmm_name)); |
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263 |
off += delta; |
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264 |
} |
1 | 265 |
#undef NEXTREG |
266 |
#undef STACK_OFFSET |
|
267 |
||
268 |
return map; |
|
269 |
} |
|
270 |
||
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271 |
void RegisterSaver::restore_live_registers(MacroAssembler* masm, bool restore_vectors) { |
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int num_xmm_regs = XMMRegisterImpl::number_of_registers; |
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int ymm_bytes = num_xmm_regs * 16; |
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int zmm_bytes = num_xmm_regs * 32; |
1 | 275 |
// Recover XMM & FPU state |
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276 |
int additional_frame_bytes = 0; |
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|
277 |
#ifdef COMPILER2 |
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278 |
if (restore_vectors) { |
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assert(UseAVX > 0, "Vectors larger than 16 byte long are supported only with AVX"); |
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assert(MaxVectorSize <= 64, "Only up to 64 byte long vectors are supported"); |
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281 |
// Save upper half of YMM registers |
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282 |
additional_frame_bytes = ymm_bytes; |
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283 |
if (UseAVX > 2) { |
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284 |
// Save upper half of ZMM registers as well |
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285 |
additional_frame_bytes += zmm_bytes; |
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286 |
} |
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287 |
} |
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288 |
#else |
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289 |
assert(!restore_vectors, "vectors are generated only by C2"); |
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290 |
#endif |
34203 | 291 |
|
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292 |
int off = xmm0_off; |
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293 |
int delta = xmm1_off - off; |
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294 |
|
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295 |
__ vzeroupper(); |
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296 |
|
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297 |
if (UseSSE == 1) { |
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|
298 |
// Restore XMM registers |
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299 |
assert(additional_frame_bytes == 0, ""); |
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300 |
for (int n = 0; n < num_xmm_regs; n++) { |
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301 |
__ movflt(as_XMMRegister(n), Address(rsp, off*wordSize)); |
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|
302 |
off += delta; |
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|
303 |
} |
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|
304 |
} else if (UseSSE >= 2) { |
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|
305 |
// Restore whole 128bit (16 bytes) XMM registers. Do this before restoring YMM and |
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|
306 |
// ZMM because the movdqu instruction zeros the upper part of the XMM register. |
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|
307 |
for (int n = 0; n < num_xmm_regs; n++) { |
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|
308 |
__ movdqu(as_XMMRegister(n), Address(rsp, off*wordSize+additional_frame_bytes)); |
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|
309 |
off += delta; |
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|
310 |
} |
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|
311 |
} |
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|
312 |
|
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|
313 |
if (restore_vectors) { |
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|
314 |
if (UseAVX > 2) { |
34162 | 315 |
// Restore upper half of ZMM registers. |
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316 |
for (int n = 0; n < num_xmm_regs; n++) { |
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317 |
__ vinsertf64x4_high(as_XMMRegister(n), Address(rsp, n*32)); |
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318 |
} |
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|
319 |
__ addptr(rsp, zmm_bytes); |
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|
320 |
} |
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321 |
// Restore upper half of YMM registers. |
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322 |
for (int n = 0; n < num_xmm_regs; n++) { |
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323 |
__ vinsertf128_high(as_XMMRegister(n), Address(rsp, n*16)); |
30624 | 324 |
} |
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|
325 |
__ addptr(rsp, ymm_bytes); |
34203 | 326 |
} |
327 |
||
1 | 328 |
__ pop_FPU_state(); |
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329 |
__ addptr(rsp, FPU_regs_live*wordSize); // Pop FPU registers |
1066 | 330 |
|
331 |
__ popf(); |
|
332 |
__ popa(); |
|
1 | 333 |
// Get the rbp, described implicitly by the frame sender code (no oopMap) |
1066 | 334 |
__ pop(rbp); |
1 | 335 |
} |
336 |
||
337 |
void RegisterSaver::restore_result_registers(MacroAssembler* masm) { |
|
338 |
||
339 |
// Just restore result register. Only used by deoptimization. By |
|
340 |
// now any callee save register that needs to be restore to a c2 |
|
341 |
// caller of the deoptee has been extracted into the vframeArray |
|
342 |
// and will be stuffed into the c2i adapter we create for later |
|
343 |
// restoration so only result registers need to be restored here. |
|
344 |
// |
|
345 |
||
346 |
__ frstor(Address(rsp, 0)); // Restore fpu state |
|
347 |
||
348 |
// Recover XMM & FPU state |
|
349 |
if( UseSSE == 1 ) { |
|
350 |
__ movflt(xmm0, Address(rsp, xmm0_off*wordSize)); |
|
351 |
} else if( UseSSE >= 2 ) { |
|
352 |
__ movdbl(xmm0, Address(rsp, xmm0_off*wordSize)); |
|
353 |
} |
|
1066 | 354 |
__ movptr(rax, Address(rsp, rax_off*wordSize)); |
355 |
__ movptr(rdx, Address(rsp, rdx_off*wordSize)); |
|
1 | 356 |
// Pop all of the register save are off the stack except the return address |
1066 | 357 |
__ addptr(rsp, return_off * wordSize); |
1 | 358 |
} |
359 |
||
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360 |
// Is vector's size (in bytes) bigger than a size saved by default? |
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|
361 |
// 16 bytes XMM registers are saved by default using SSE2 movdqu instructions. |
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362 |
// Note, MaxVectorSize == 0 with UseSSE < 2 and vectors are not generated. |
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|
363 |
bool SharedRuntime::is_wide_vector(int size) { |
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|
364 |
return size > 16; |
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|
365 |
} |
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|
366 |
|
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367 |
size_t SharedRuntime::trampoline_size() { |
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368 |
return 16; |
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369 |
} |
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370 |
|
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parents:
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changeset
|
371 |
void SharedRuntime::generate_trampoline(MacroAssembler *masm, address destination) { |
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changeset
|
372 |
__ jump(RuntimeAddress(destination)); |
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|
373 |
} |
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changeset
|
374 |
|
1 | 375 |
// The java_calling_convention describes stack locations as ideal slots on |
376 |
// a frame with no abi restrictions. Since we must observe abi restrictions |
|
377 |
// (like the placement of the register window) the slots must be biased by |
|
378 |
// the following value. |
|
379 |
static int reg2offset_in(VMReg r) { |
|
380 |
// Account for saved rbp, and return address |
|
381 |
// This should really be in_preserve_stack_slots |
|
382 |
return (r->reg2stack() + 2) * VMRegImpl::stack_slot_size; |
|
383 |
} |
|
384 |
||
385 |
static int reg2offset_out(VMReg r) { |
|
386 |
return (r->reg2stack() + SharedRuntime::out_preserve_stack_slots()) * VMRegImpl::stack_slot_size; |
|
387 |
} |
|
388 |
||
389 |
// --------------------------------------------------------------------------- |
|
390 |
// Read the array of BasicTypes from a signature, and compute where the |
|
391 |
// arguments should go. Values in the VMRegPair regs array refer to 4-byte |
|
392 |
// quantities. Values less than SharedInfo::stack0 are registers, those above |
|
393 |
// refer to 4-byte stack slots. All stack slots are based off of the stack pointer |
|
394 |
// as framesizes are fixed. |
|
395 |
// VMRegImpl::stack0 refers to the first slot 0(sp). |
|
396 |
// and VMRegImpl::stack0+1 refers to the memory word 4-byes higher. Register |
|
397 |
// up to RegisterImpl::number_of_registers) are the 32-bit |
|
398 |
// integer registers. |
|
399 |
||
400 |
// Pass first two oop/int args in registers ECX and EDX. |
|
401 |
// Pass first two float/double args in registers XMM0 and XMM1. |
|
402 |
// Doubles have precedence, so if you pass a mix of floats and doubles |
|
403 |
// the doubles will grab the registers before the floats will. |
|
404 |
||
405 |
// Note: the INPUTS in sig_bt are in units of Java argument words, which are |
|
406 |
// either 32-bit or 64-bit depending on the build. The OUTPUTS are in 32-bit |
|
407 |
// units regardless of build. Of course for i486 there is no 64 bit build |
|
408 |
||
409 |
||
410 |
// --------------------------------------------------------------------------- |
|
411 |
// The compiled Java calling convention. |
|
412 |
// Pass first two oop/int args in registers ECX and EDX. |
|
413 |
// Pass first two float/double args in registers XMM0 and XMM1. |
|
414 |
// Doubles have precedence, so if you pass a mix of floats and doubles |
|
415 |
// the doubles will grab the registers before the floats will. |
|
416 |
int SharedRuntime::java_calling_convention(const BasicType *sig_bt, |
|
417 |
VMRegPair *regs, |
|
418 |
int total_args_passed, |
|
419 |
int is_outgoing) { |
|
420 |
uint stack = 0; // Starting stack position for args on stack |
|
421 |
||
422 |
||
423 |
// Pass first two oop/int args in registers ECX and EDX. |
|
424 |
uint reg_arg0 = 9999; |
|
425 |
uint reg_arg1 = 9999; |
|
426 |
||
427 |
// Pass first two float/double args in registers XMM0 and XMM1. |
|
428 |
// Doubles have precedence, so if you pass a mix of floats and doubles |
|
429 |
// the doubles will grab the registers before the floats will. |
|
430 |
// CNC - TURNED OFF FOR non-SSE. |
|
431 |
// On Intel we have to round all doubles (and most floats) at |
|
432 |
// call sites by storing to the stack in any case. |
|
433 |
// UseSSE=0 ==> Don't Use ==> 9999+0 |
|
434 |
// UseSSE=1 ==> Floats only ==> 9999+1 |
|
435 |
// UseSSE>=2 ==> Floats or doubles ==> 9999+2 |
|
436 |
enum { fltarg_dontuse = 9999+0, fltarg_float_only = 9999+1, fltarg_flt_dbl = 9999+2 }; |
|
437 |
uint fargs = (UseSSE>=2) ? 2 : UseSSE; |
|
438 |
uint freg_arg0 = 9999+fargs; |
|
439 |
uint freg_arg1 = 9999+fargs; |
|
440 |
||
441 |
// Pass doubles & longs aligned on the stack. First count stack slots for doubles |
|
442 |
int i; |
|
443 |
for( i = 0; i < total_args_passed; i++) { |
|
444 |
if( sig_bt[i] == T_DOUBLE ) { |
|
445 |
// first 2 doubles go in registers |
|
446 |
if( freg_arg0 == fltarg_flt_dbl ) freg_arg0 = i; |
|
447 |
else if( freg_arg1 == fltarg_flt_dbl ) freg_arg1 = i; |
|
448 |
else // Else double is passed low on the stack to be aligned. |
|
449 |
stack += 2; |
|
450 |
} else if( sig_bt[i] == T_LONG ) { |
|
451 |
stack += 2; |
|
452 |
} |
|
453 |
} |
|
454 |
int dstack = 0; // Separate counter for placing doubles |
|
455 |
||
456 |
// Now pick where all else goes. |
|
457 |
for( i = 0; i < total_args_passed; i++) { |
|
458 |
// From the type and the argument number (count) compute the location |
|
459 |
switch( sig_bt[i] ) { |
|
460 |
case T_SHORT: |
|
461 |
case T_CHAR: |
|
462 |
case T_BYTE: |
|
463 |
case T_BOOLEAN: |
|
464 |
case T_INT: |
|
465 |
case T_ARRAY: |
|
466 |
case T_OBJECT: |
|
467 |
case T_ADDRESS: |
|
468 |
if( reg_arg0 == 9999 ) { |
|
469 |
reg_arg0 = i; |
|
470 |
regs[i].set1(rcx->as_VMReg()); |
|
471 |
} else if( reg_arg1 == 9999 ) { |
|
472 |
reg_arg1 = i; |
|
473 |
regs[i].set1(rdx->as_VMReg()); |
|
474 |
} else { |
|
475 |
regs[i].set1(VMRegImpl::stack2reg(stack++)); |
|
476 |
} |
|
477 |
break; |
|
478 |
case T_FLOAT: |
|
479 |
if( freg_arg0 == fltarg_flt_dbl || freg_arg0 == fltarg_float_only ) { |
|
480 |
freg_arg0 = i; |
|
481 |
regs[i].set1(xmm0->as_VMReg()); |
|
482 |
} else if( freg_arg1 == fltarg_flt_dbl || freg_arg1 == fltarg_float_only ) { |
|
483 |
freg_arg1 = i; |
|
484 |
regs[i].set1(xmm1->as_VMReg()); |
|
485 |
} else { |
|
486 |
regs[i].set1(VMRegImpl::stack2reg(stack++)); |
|
487 |
} |
|
488 |
break; |
|
489 |
case T_LONG: |
|
42874
973960866fa4
8170761: Buffer overrun in sharedRuntime_x86_64.cpp:477
jcm
parents:
41084
diff
changeset
|
490 |
assert((i + 1) < total_args_passed && sig_bt[i+1] == T_VOID, "missing Half" ); |
1 | 491 |
regs[i].set2(VMRegImpl::stack2reg(dstack)); |
492 |
dstack += 2; |
|
493 |
break; |
|
494 |
case T_DOUBLE: |
|
42874
973960866fa4
8170761: Buffer overrun in sharedRuntime_x86_64.cpp:477
jcm
parents:
41084
diff
changeset
|
495 |
assert((i + 1) < total_args_passed && sig_bt[i+1] == T_VOID, "missing Half" ); |
1 | 496 |
if( freg_arg0 == (uint)i ) { |
497 |
regs[i].set2(xmm0->as_VMReg()); |
|
498 |
} else if( freg_arg1 == (uint)i ) { |
|
499 |
regs[i].set2(xmm1->as_VMReg()); |
|
500 |
} else { |
|
501 |
regs[i].set2(VMRegImpl::stack2reg(dstack)); |
|
502 |
dstack += 2; |
|
503 |
} |
|
504 |
break; |
|
505 |
case T_VOID: regs[i].set_bad(); break; |
|
506 |
break; |
|
507 |
default: |
|
508 |
ShouldNotReachHere(); |
|
509 |
break; |
|
510 |
} |
|
511 |
} |
|
512 |
||
513 |
// return value can be odd number of VMRegImpl stack slots make multiple of 2 |
|
46620
750c6edff33b
8178500: Replace usages of round_to and round_down with align_up and align_down
stefank
parents:
46449
diff
changeset
|
514 |
return align_up(stack, 2); |
1 | 515 |
} |
516 |
||
517 |
// Patch the callers callsite with entry to compiled code if it exists. |
|
518 |
static void patch_callers_callsite(MacroAssembler *masm) { |
|
519 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
520 |
__ cmpptr(Address(rbx, in_bytes(Method::code_offset())), (int32_t)NULL_WORD); |
1 | 521 |
__ jcc(Assembler::equal, L); |
522 |
// Schedule the branch target address early. |
|
523 |
// Call into the VM to patch the caller, then jump to compiled callee |
|
524 |
// rax, isn't live so capture return address while we easily can |
|
1066 | 525 |
__ movptr(rax, Address(rsp, 0)); |
526 |
__ pusha(); |
|
527 |
__ pushf(); |
|
1 | 528 |
|
529 |
if (UseSSE == 1) { |
|
1066 | 530 |
__ subptr(rsp, 2*wordSize); |
1 | 531 |
__ movflt(Address(rsp, 0), xmm0); |
532 |
__ movflt(Address(rsp, wordSize), xmm1); |
|
533 |
} |
|
534 |
if (UseSSE >= 2) { |
|
1066 | 535 |
__ subptr(rsp, 4*wordSize); |
1 | 536 |
__ movdbl(Address(rsp, 0), xmm0); |
537 |
__ movdbl(Address(rsp, 2*wordSize), xmm1); |
|
538 |
} |
|
539 |
#ifdef COMPILER2 |
|
540 |
// C2 may leave the stack dirty if not in SSE2+ mode |
|
541 |
if (UseSSE >= 2) { |
|
542 |
__ verify_FPU(0, "c2i transition should have clean FPU stack"); |
|
543 |
} else { |
|
544 |
__ empty_FPU_stack(); |
|
545 |
} |
|
546 |
#endif /* COMPILER2 */ |
|
547 |
||
548 |
// VM needs caller's callsite |
|
1066 | 549 |
__ push(rax); |
1 | 550 |
// VM needs target method |
1066 | 551 |
__ push(rbx); |
1 | 552 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::fixup_callers_callsite))); |
1066 | 553 |
__ addptr(rsp, 2*wordSize); |
1 | 554 |
|
555 |
if (UseSSE == 1) { |
|
556 |
__ movflt(xmm0, Address(rsp, 0)); |
|
557 |
__ movflt(xmm1, Address(rsp, wordSize)); |
|
1066 | 558 |
__ addptr(rsp, 2*wordSize); |
1 | 559 |
} |
560 |
if (UseSSE >= 2) { |
|
561 |
__ movdbl(xmm0, Address(rsp, 0)); |
|
562 |
__ movdbl(xmm1, Address(rsp, 2*wordSize)); |
|
1066 | 563 |
__ addptr(rsp, 4*wordSize); |
1 | 564 |
} |
565 |
||
1066 | 566 |
__ popf(); |
567 |
__ popa(); |
|
1 | 568 |
__ bind(L); |
569 |
} |
|
570 |
||
571 |
||
572 |
static void move_c2i_double(MacroAssembler *masm, XMMRegister r, int st_off) { |
|
5419 | 573 |
int next_off = st_off - Interpreter::stackElementSize; |
574 |
__ movdbl(Address(rsp, next_off), r); |
|
1 | 575 |
} |
576 |
||
577 |
static void gen_c2i_adapter(MacroAssembler *masm, |
|
578 |
int total_args_passed, |
|
579 |
int comp_args_on_stack, |
|
580 |
const BasicType *sig_bt, |
|
581 |
const VMRegPair *regs, |
|
582 |
Label& skip_fixup) { |
|
583 |
// Before we get into the guts of the C2I adapter, see if we should be here |
|
584 |
// at all. We've come from compiled code and are attempting to jump to the |
|
585 |
// interpreter, which means the caller made a static call to get here |
|
586 |
// (vcalls always get a compiled target if there is one). Check for a |
|
587 |
// compiled target. If there is one, we need to patch the caller's call. |
|
588 |
patch_callers_callsite(masm); |
|
589 |
||
590 |
__ bind(skip_fixup); |
|
591 |
||
592 |
#ifdef COMPILER2 |
|
593 |
// C2 may leave the stack dirty if not in SSE2+ mode |
|
594 |
if (UseSSE >= 2) { |
|
595 |
__ verify_FPU(0, "c2i transition should have clean FPU stack"); |
|
596 |
} else { |
|
597 |
__ empty_FPU_stack(); |
|
598 |
} |
|
599 |
#endif /* COMPILER2 */ |
|
600 |
||
601 |
// Since all args are passed on the stack, total_args_passed * interpreter_ |
|
602 |
// stack_element_size is the |
|
603 |
// space we need. |
|
5419 | 604 |
int extraspace = total_args_passed * Interpreter::stackElementSize; |
1 | 605 |
|
606 |
// Get return address |
|
1066 | 607 |
__ pop(rax); |
1 | 608 |
|
609 |
// set senderSP value |
|
1066 | 610 |
__ movptr(rsi, rsp); |
611 |
||
612 |
__ subptr(rsp, extraspace); |
|
1 | 613 |
|
614 |
// Now write the args into the outgoing interpreter space |
|
615 |
for (int i = 0; i < total_args_passed; i++) { |
|
616 |
if (sig_bt[i] == T_VOID) { |
|
617 |
assert(i > 0 && (sig_bt[i-1] == T_LONG || sig_bt[i-1] == T_DOUBLE), "missing half"); |
|
618 |
continue; |
|
619 |
} |
|
620 |
||
621 |
// st_off points to lowest address on stack. |
|
5419 | 622 |
int st_off = ((total_args_passed - 1) - i) * Interpreter::stackElementSize; |
623 |
int next_off = st_off - Interpreter::stackElementSize; |
|
1066 | 624 |
|
1 | 625 |
// Say 4 args: |
626 |
// i st_off |
|
627 |
// 0 12 T_LONG |
|
628 |
// 1 8 T_VOID |
|
629 |
// 2 4 T_OBJECT |
|
630 |
// 3 0 T_BOOL |
|
631 |
VMReg r_1 = regs[i].first(); |
|
632 |
VMReg r_2 = regs[i].second(); |
|
633 |
if (!r_1->is_valid()) { |
|
634 |
assert(!r_2->is_valid(), ""); |
|
635 |
continue; |
|
636 |
} |
|
637 |
||
638 |
if (r_1->is_stack()) { |
|
639 |
// memory to memory use fpu stack top |
|
640 |
int ld_off = r_1->reg2stack() * VMRegImpl::stack_slot_size + extraspace; |
|
641 |
||
642 |
if (!r_2->is_valid()) { |
|
643 |
__ movl(rdi, Address(rsp, ld_off)); |
|
1066 | 644 |
__ movptr(Address(rsp, st_off), rdi); |
1 | 645 |
} else { |
646 |
||
647 |
// ld_off == LSW, ld_off+VMRegImpl::stack_slot_size == MSW |
|
648 |
// st_off == MSW, st_off-wordSize == LSW |
|
649 |
||
1066 | 650 |
__ movptr(rdi, Address(rsp, ld_off)); |
651 |
__ movptr(Address(rsp, next_off), rdi); |
|
652 |
#ifndef _LP64 |
|
653 |
__ movptr(rdi, Address(rsp, ld_off + wordSize)); |
|
654 |
__ movptr(Address(rsp, st_off), rdi); |
|
655 |
#else |
|
656 |
#ifdef ASSERT |
|
657 |
// Overwrite the unused slot with known junk |
|
658 |
__ mov64(rax, CONST64(0xdeadffffdeadaaaa)); |
|
659 |
__ movptr(Address(rsp, st_off), rax); |
|
660 |
#endif /* ASSERT */ |
|
661 |
#endif // _LP64 |
|
1 | 662 |
} |
663 |
} else if (r_1->is_Register()) { |
|
664 |
Register r = r_1->as_Register(); |
|
665 |
if (!r_2->is_valid()) { |
|
666 |
__ movl(Address(rsp, st_off), r); |
|
667 |
} else { |
|
668 |
// long/double in gpr |
|
1066 | 669 |
NOT_LP64(ShouldNotReachHere()); |
670 |
// Two VMRegs can be T_OBJECT, T_ADDRESS, T_DOUBLE, T_LONG |
|
671 |
// T_DOUBLE and T_LONG use two slots in the interpreter |
|
672 |
if ( sig_bt[i] == T_LONG || sig_bt[i] == T_DOUBLE) { |
|
673 |
// long/double in gpr |
|
674 |
#ifdef ASSERT |
|
675 |
// Overwrite the unused slot with known junk |
|
676 |
LP64_ONLY(__ mov64(rax, CONST64(0xdeadffffdeadaaab))); |
|
677 |
__ movptr(Address(rsp, st_off), rax); |
|
678 |
#endif /* ASSERT */ |
|
679 |
__ movptr(Address(rsp, next_off), r); |
|
680 |
} else { |
|
681 |
__ movptr(Address(rsp, st_off), r); |
|
682 |
} |
|
1 | 683 |
} |
684 |
} else { |
|
685 |
assert(r_1->is_XMMRegister(), ""); |
|
686 |
if (!r_2->is_valid()) { |
|
687 |
__ movflt(Address(rsp, st_off), r_1->as_XMMRegister()); |
|
688 |
} else { |
|
689 |
assert(sig_bt[i] == T_DOUBLE || sig_bt[i] == T_LONG, "wrong type"); |
|
690 |
move_c2i_double(masm, r_1->as_XMMRegister(), st_off); |
|
691 |
} |
|
692 |
} |
|
693 |
} |
|
694 |
||
695 |
// Schedule the branch target address early. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
696 |
__ movptr(rcx, Address(rbx, in_bytes(Method::interpreter_entry_offset()))); |
1 | 697 |
// And repush original return address |
1066 | 698 |
__ push(rax); |
1 | 699 |
__ jmp(rcx); |
700 |
} |
|
701 |
||
702 |
||
703 |
static void move_i2c_double(MacroAssembler *masm, XMMRegister r, Register saved_sp, int ld_off) { |
|
5419 | 704 |
int next_val_off = ld_off - Interpreter::stackElementSize; |
705 |
__ movdbl(r, Address(saved_sp, next_val_off)); |
|
1 | 706 |
} |
707 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
708 |
static void range_check(MacroAssembler* masm, Register pc_reg, Register temp_reg, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
709 |
address code_start, address code_end, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
710 |
Label& L_ok) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
711 |
Label L_fail; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
712 |
__ lea(temp_reg, ExternalAddress(code_start)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
713 |
__ cmpptr(pc_reg, temp_reg); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
714 |
__ jcc(Assembler::belowEqual, L_fail); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
715 |
__ lea(temp_reg, ExternalAddress(code_end)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
716 |
__ cmpptr(pc_reg, temp_reg); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
717 |
__ jcc(Assembler::below, L_ok); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
718 |
__ bind(L_fail); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
719 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
720 |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32727
diff
changeset
|
721 |
void SharedRuntime::gen_i2c_adapter(MacroAssembler *masm, |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32727
diff
changeset
|
722 |
int total_args_passed, |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32727
diff
changeset
|
723 |
int comp_args_on_stack, |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32727
diff
changeset
|
724 |
const BasicType *sig_bt, |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32727
diff
changeset
|
725 |
const VMRegPair *regs) { |
1 | 726 |
// Note: rsi contains the senderSP on entry. We must preserve it since |
727 |
// we may do a i2c -> c2i transition if we lose a race where compiled |
|
728 |
// code goes non-entrant while we get args ready. |
|
729 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
730 |
// Adapters can be frameless because they do not require the caller |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
731 |
// to perform additional cleanup work, such as correcting the stack pointer. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
732 |
// An i2c adapter is frameless because the *caller* frame, which is interpreted, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
733 |
// routinely repairs its own stack pointer (from interpreter_frame_last_sp), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
734 |
// even if a callee has modified the stack pointer. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
735 |
// A c2i adapter is frameless because the *callee* frame, which is interpreted, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
736 |
// routinely repairs its caller's stack pointer (from sender_sp, which is set |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
737 |
// up via the senderSP register). |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
738 |
// In other words, if *either* the caller or callee is interpreted, we can |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
739 |
// get the stack pointer repaired after a call. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
740 |
// This is why c2i and i2c adapters cannot be indefinitely composed. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
741 |
// In particular, if a c2i adapter were to somehow call an i2c adapter, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
742 |
// both caller and callee would be compiled methods, and neither would |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
743 |
// clean up the stack pointer changes performed by the two adapters. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
744 |
// If this happens, control eventually transfers back to the compiled |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
745 |
// caller, but with an uncorrected stack, causing delayed havoc. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
746 |
|
1 | 747 |
// Pick up the return address |
1066 | 748 |
__ movptr(rax, Address(rsp, 0)); |
1 | 749 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
750 |
if (VerifyAdapterCalls && |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
751 |
(Interpreter::code() != NULL || StubRoutines::code1() != NULL)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
752 |
// So, let's test for cascading c2i/i2c adapters right now. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
753 |
// assert(Interpreter::contains($return_addr) || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
754 |
// StubRoutines::contains($return_addr), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
755 |
// "i2c adapter must return to an interpreter frame"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
756 |
__ block_comment("verify_i2c { "); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
757 |
Label L_ok; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
758 |
if (Interpreter::code() != NULL) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
759 |
range_check(masm, rax, rdi, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
760 |
Interpreter::code()->code_start(), Interpreter::code()->code_end(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
761 |
L_ok); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
762 |
if (StubRoutines::code1() != NULL) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
763 |
range_check(masm, rax, rdi, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
764 |
StubRoutines::code1()->code_begin(), StubRoutines::code1()->code_end(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
765 |
L_ok); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
766 |
if (StubRoutines::code2() != NULL) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
767 |
range_check(masm, rax, rdi, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
768 |
StubRoutines::code2()->code_begin(), StubRoutines::code2()->code_end(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
769 |
L_ok); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
770 |
const char* msg = "i2c adapter must return to an interpreter frame"; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
771 |
__ block_comment(msg); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
772 |
__ stop(msg); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
773 |
__ bind(L_ok); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
774 |
__ block_comment("} verify_i2ce "); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
775 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
776 |
|
1 | 777 |
// Must preserve original SP for loading incoming arguments because |
778 |
// we need to align the outgoing SP for compiled code. |
|
1066 | 779 |
__ movptr(rdi, rsp); |
1 | 780 |
|
781 |
// Cut-out for having no stack args. Since up to 2 int/oop args are passed |
|
782 |
// in registers, we will occasionally have no stack args. |
|
783 |
int comp_words_on_stack = 0; |
|
784 |
if (comp_args_on_stack) { |
|
785 |
// Sig words on the stack are greater-than VMRegImpl::stack0. Those in |
|
786 |
// registers are below. By subtracting stack0, we either get a negative |
|
787 |
// number (all values in registers) or the maximum stack slot accessed. |
|
788 |
// int comp_args_on_stack = VMRegImpl::reg2stack(max_arg); |
|
789 |
// Convert 4-byte stack slots to words. |
|
46620
750c6edff33b
8178500: Replace usages of round_to and round_down with align_up and align_down
stefank
parents:
46449
diff
changeset
|
790 |
comp_words_on_stack = align_up(comp_args_on_stack*4, wordSize)>>LogBytesPerWord; |
1 | 791 |
// Round up to miminum stack alignment, in wordSize |
46620
750c6edff33b
8178500: Replace usages of round_to and round_down with align_up and align_down
stefank
parents:
46449
diff
changeset
|
792 |
comp_words_on_stack = align_up(comp_words_on_stack, 2); |
1066 | 793 |
__ subptr(rsp, comp_words_on_stack * wordSize); |
1 | 794 |
} |
795 |
||
796 |
// Align the outgoing SP |
|
1066 | 797 |
__ andptr(rsp, -(StackAlignmentInBytes)); |
1 | 798 |
|
799 |
// push the return address on the stack (note that pushing, rather |
|
800 |
// than storing it, yields the correct frame alignment for the callee) |
|
1066 | 801 |
__ push(rax); |
1 | 802 |
|
803 |
// Put saved SP in another register |
|
804 |
const Register saved_sp = rax; |
|
1066 | 805 |
__ movptr(saved_sp, rdi); |
1 | 806 |
|
807 |
||
808 |
// Will jump to the compiled code just as if compiled code was doing it. |
|
809 |
// Pre-load the register-jump target early, to schedule it better. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
810 |
__ movptr(rdi, Address(rbx, in_bytes(Method::from_compiled_offset()))); |
1 | 811 |
|
812 |
// Now generate the shuffle code. Pick up all register args and move the |
|
813 |
// rest through the floating point stack top. |
|
814 |
for (int i = 0; i < total_args_passed; i++) { |
|
815 |
if (sig_bt[i] == T_VOID) { |
|
816 |
// Longs and doubles are passed in native word order, but misaligned |
|
817 |
// in the 32-bit build. |
|
818 |
assert(i > 0 && (sig_bt[i-1] == T_LONG || sig_bt[i-1] == T_DOUBLE), "missing half"); |
|
819 |
continue; |
|
820 |
} |
|
821 |
||
822 |
// Pick up 0, 1 or 2 words from SP+offset. |
|
823 |
||
824 |
assert(!regs[i].second()->is_valid() || regs[i].first()->next() == regs[i].second(), |
|
825 |
"scrambled load targets?"); |
|
826 |
// Load in argument order going down. |
|
5419 | 827 |
int ld_off = (total_args_passed - i) * Interpreter::stackElementSize; |
1 | 828 |
// Point to interpreter value (vs. tag) |
5419 | 829 |
int next_off = ld_off - Interpreter::stackElementSize; |
1 | 830 |
// |
831 |
// |
|
832 |
// |
|
833 |
VMReg r_1 = regs[i].first(); |
|
834 |
VMReg r_2 = regs[i].second(); |
|
835 |
if (!r_1->is_valid()) { |
|
836 |
assert(!r_2->is_valid(), ""); |
|
837 |
continue; |
|
838 |
} |
|
839 |
if (r_1->is_stack()) { |
|
840 |
// Convert stack slot to an SP offset (+ wordSize to account for return address ) |
|
841 |
int st_off = regs[i].first()->reg2stack()*VMRegImpl::stack_slot_size + wordSize; |
|
842 |
||
843 |
// We can use rsi as a temp here because compiled code doesn't need rsi as an input |
|
844 |
// and if we end up going thru a c2i because of a miss a reasonable value of rsi |
|
845 |
// we be generated. |
|
846 |
if (!r_2->is_valid()) { |
|
847 |
// __ fld_s(Address(saved_sp, ld_off)); |
|
848 |
// __ fstp_s(Address(rsp, st_off)); |
|
849 |
__ movl(rsi, Address(saved_sp, ld_off)); |
|
1066 | 850 |
__ movptr(Address(rsp, st_off), rsi); |
1 | 851 |
} else { |
852 |
// Interpreter local[n] == MSW, local[n+1] == LSW however locals |
|
853 |
// are accessed as negative so LSW is at LOW address |
|
854 |
||
855 |
// ld_off is MSW so get LSW |
|
856 |
// st_off is LSW (i.e. reg.first()) |
|
857 |
// __ fld_d(Address(saved_sp, next_off)); |
|
858 |
// __ fstp_d(Address(rsp, st_off)); |
|
1066 | 859 |
// |
860 |
// We are using two VMRegs. This can be either T_OBJECT, T_ADDRESS, T_LONG, or T_DOUBLE |
|
861 |
// the interpreter allocates two slots but only uses one for thr T_LONG or T_DOUBLE case |
|
862 |
// So we must adjust where to pick up the data to match the interpreter. |
|
863 |
// |
|
864 |
// Interpreter local[n] == MSW, local[n+1] == LSW however locals |
|
865 |
// are accessed as negative so LSW is at LOW address |
|
866 |
||
867 |
// ld_off is MSW so get LSW |
|
868 |
const int offset = (NOT_LP64(true ||) sig_bt[i]==T_LONG||sig_bt[i]==T_DOUBLE)? |
|
869 |
next_off : ld_off; |
|
870 |
__ movptr(rsi, Address(saved_sp, offset)); |
|
871 |
__ movptr(Address(rsp, st_off), rsi); |
|
872 |
#ifndef _LP64 |
|
873 |
__ movptr(rsi, Address(saved_sp, ld_off)); |
|
874 |
__ movptr(Address(rsp, st_off + wordSize), rsi); |
|
875 |
#endif // _LP64 |
|
1 | 876 |
} |
877 |
} else if (r_1->is_Register()) { // Register argument |
|
878 |
Register r = r_1->as_Register(); |
|
879 |
assert(r != rax, "must be different"); |
|
880 |
if (r_2->is_valid()) { |
|
1066 | 881 |
// |
882 |
// We are using two VMRegs. This can be either T_OBJECT, T_ADDRESS, T_LONG, or T_DOUBLE |
|
883 |
// the interpreter allocates two slots but only uses one for thr T_LONG or T_DOUBLE case |
|
884 |
// So we must adjust where to pick up the data to match the interpreter. |
|
885 |
||
886 |
const int offset = (NOT_LP64(true ||) sig_bt[i]==T_LONG||sig_bt[i]==T_DOUBLE)? |
|
887 |
next_off : ld_off; |
|
888 |
||
889 |
// this can be a misaligned move |
|
890 |
__ movptr(r, Address(saved_sp, offset)); |
|
891 |
#ifndef _LP64 |
|
1 | 892 |
assert(r_2->as_Register() != rax, "need another temporary register"); |
893 |
// Remember r_1 is low address (and LSB on x86) |
|
894 |
// So r_2 gets loaded from high address regardless of the platform |
|
1066 | 895 |
__ movptr(r_2->as_Register(), Address(saved_sp, ld_off)); |
896 |
#endif // _LP64 |
|
1 | 897 |
} else { |
898 |
__ movl(r, Address(saved_sp, ld_off)); |
|
899 |
} |
|
900 |
} else { |
|
901 |
assert(r_1->is_XMMRegister(), ""); |
|
902 |
if (!r_2->is_valid()) { |
|
903 |
__ movflt(r_1->as_XMMRegister(), Address(saved_sp, ld_off)); |
|
904 |
} else { |
|
905 |
move_i2c_double(masm, r_1->as_XMMRegister(), saved_sp, ld_off); |
|
906 |
} |
|
907 |
} |
|
908 |
} |
|
909 |
||
910 |
// 6243940 We might end up in handle_wrong_method if |
|
911 |
// the callee is deoptimized as we race thru here. If that |
|
912 |
// happens we don't want to take a safepoint because the |
|
913 |
// caller frame will look interpreted and arguments are now |
|
914 |
// "compiled" so it is much better to make this transition |
|
915 |
// invisible to the stack walking code. Unfortunately if |
|
916 |
// we try and find the callee by normal means a safepoint |
|
917 |
// is possible. So we stash the desired callee in the thread |
|
918 |
// and the vm will find there should this case occur. |
|
919 |
||
920 |
__ get_thread(rax); |
|
1066 | 921 |
__ movptr(Address(rax, JavaThread::callee_target_offset()), rbx); |
1 | 922 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
923 |
// move Method* to rax, in case we end up in an c2i adapter. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
924 |
// the c2i adapters expect Method* in rax, (c2) because c2's |
1 | 925 |
// resolve stubs return the result (the method) in rax,. |
926 |
// I'd love to fix this. |
|
1066 | 927 |
__ mov(rax, rbx); |
1 | 928 |
|
929 |
__ jmp(rdi); |
|
930 |
} |
|
931 |
||
932 |
// --------------------------------------------------------------- |
|
933 |
AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters(MacroAssembler *masm, |
|
934 |
int total_args_passed, |
|
935 |
int comp_args_on_stack, |
|
936 |
const BasicType *sig_bt, |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
3681
diff
changeset
|
937 |
const VMRegPair *regs, |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
3681
diff
changeset
|
938 |
AdapterFingerPrint* fingerprint) { |
1 | 939 |
address i2c_entry = __ pc(); |
940 |
||
941 |
gen_i2c_adapter(masm, total_args_passed, comp_args_on_stack, sig_bt, regs); |
|
942 |
||
943 |
// ------------------------------------------------------------------------- |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
944 |
// Generate a C2I adapter. On entry we know rbx, holds the Method* during calls |
1 | 945 |
// to the interpreter. The args start out packed in the compiled layout. They |
946 |
// need to be unpacked into the interpreter layout. This will almost always |
|
947 |
// require some stack space. We grow the current (compiled) stack, then repack |
|
948 |
// the args. We finally end in a jump to the generic interpreter entry point. |
|
949 |
// On exit from the interpreter, the interpreter will restore our SP (lest the |
|
950 |
// compiled code, which relys solely on SP and not EBP, get sick). |
|
951 |
||
952 |
address c2i_unverified_entry = __ pc(); |
|
953 |
Label skip_fixup; |
|
954 |
||
955 |
Register holder = rax; |
|
956 |
Register receiver = rcx; |
|
957 |
Register temp = rbx; |
|
958 |
||
959 |
{ |
|
960 |
||
961 |
Label missed; |
|
1066 | 962 |
__ movptr(temp, Address(receiver, oopDesc::klass_offset_in_bytes())); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
963 |
__ cmpptr(temp, Address(holder, CompiledICHolder::holder_klass_offset())); |
48557 | 964 |
__ movptr(rbx, Address(holder, CompiledICHolder::holder_metadata_offset())); |
1 | 965 |
__ jcc(Assembler::notEqual, missed); |
966 |
// Method might have been compiled since the call site was patched to |
|
967 |
// interpreted if that is the case treat it as a miss so we can get |
|
968 |
// the call site corrected. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
969 |
__ cmpptr(Address(rbx, in_bytes(Method::code_offset())), (int32_t)NULL_WORD); |
1 | 970 |
__ jcc(Assembler::equal, skip_fixup); |
971 |
||
972 |
__ bind(missed); |
|
973 |
__ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub())); |
|
974 |
} |
|
975 |
||
976 |
address c2i_entry = __ pc(); |
|
977 |
||
978 |
gen_c2i_adapter(masm, total_args_passed, comp_args_on_stack, sig_bt, regs, skip_fixup); |
|
979 |
||
980 |
__ flush(); |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
3681
diff
changeset
|
981 |
return AdapterHandlerLibrary::new_entry(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry); |
1 | 982 |
} |
983 |
||
984 |
int SharedRuntime::c_calling_convention(const BasicType *sig_bt, |
|
985 |
VMRegPair *regs, |
|
22832
03720a5b7595
8024344: PPC64 (part 112): C argument in register AND stack slot.
goetz
parents:
16624
diff
changeset
|
986 |
VMRegPair *regs2, |
1 | 987 |
int total_args_passed) { |
22832
03720a5b7595
8024344: PPC64 (part 112): C argument in register AND stack slot.
goetz
parents:
16624
diff
changeset
|
988 |
assert(regs2 == NULL, "not needed on x86"); |
1 | 989 |
// We return the amount of VMRegImpl stack slots we need to reserve for all |
990 |
// the arguments NOT counting out_preserve_stack_slots. |
|
991 |
||
992 |
uint stack = 0; // All arguments on stack |
|
993 |
||
994 |
for( int i = 0; i < total_args_passed; i++) { |
|
995 |
// From the type and the argument number (count) compute the location |
|
996 |
switch( sig_bt[i] ) { |
|
997 |
case T_BOOLEAN: |
|
998 |
case T_CHAR: |
|
999 |
case T_FLOAT: |
|
1000 |
case T_BYTE: |
|
1001 |
case T_SHORT: |
|
1002 |
case T_INT: |
|
1003 |
case T_OBJECT: |
|
1004 |
case T_ARRAY: |
|
1005 |
case T_ADDRESS: |
|
13742
9180987e305d
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
13728
diff
changeset
|
1006 |
case T_METADATA: |
1 | 1007 |
regs[i].set1(VMRegImpl::stack2reg(stack++)); |
1008 |
break; |
|
1009 |
case T_LONG: |
|
1010 |
case T_DOUBLE: // The stack numbering is reversed from Java |
|
1011 |
// Since C arguments do not get reversed, the ordering for |
|
1012 |
// doubles on the stack must be opposite the Java convention |
|
42874
973960866fa4
8170761: Buffer overrun in sharedRuntime_x86_64.cpp:477
jcm
parents:
41084
diff
changeset
|
1013 |
assert((i + 1) < total_args_passed && sig_bt[i+1] == T_VOID, "missing Half" ); |
1 | 1014 |
regs[i].set2(VMRegImpl::stack2reg(stack)); |
1015 |
stack += 2; |
|
1016 |
break; |
|
1017 |
case T_VOID: regs[i].set_bad(); break; |
|
1018 |
default: |
|
1019 |
ShouldNotReachHere(); |
|
1020 |
break; |
|
1021 |
} |
|
1022 |
} |
|
1023 |
return stack; |
|
1024 |
} |
|
1025 |
||
1026 |
// A simple move of integer like type |
|
1027 |
static void simple_move32(MacroAssembler* masm, VMRegPair src, VMRegPair dst) { |
|
1028 |
if (src.first()->is_stack()) { |
|
1029 |
if (dst.first()->is_stack()) { |
|
1030 |
// stack to stack |
|
1031 |
// __ ld(FP, reg2offset(src.first()) + STACK_BIAS, L5); |
|
1032 |
// __ st(L5, SP, reg2offset(dst.first()) + STACK_BIAS); |
|
1066 | 1033 |
__ movl2ptr(rax, Address(rbp, reg2offset_in(src.first()))); |
1034 |
__ movptr(Address(rsp, reg2offset_out(dst.first())), rax); |
|
1 | 1035 |
} else { |
1036 |
// stack to reg |
|
1066 | 1037 |
__ movl2ptr(dst.first()->as_Register(), Address(rbp, reg2offset_in(src.first()))); |
1 | 1038 |
} |
1039 |
} else if (dst.first()->is_stack()) { |
|
1040 |
// reg to stack |
|
1066 | 1041 |
// no need to sign extend on 64bit |
1042 |
__ movptr(Address(rsp, reg2offset_out(dst.first())), src.first()->as_Register()); |
|
1 | 1043 |
} else { |
1066 | 1044 |
if (dst.first() != src.first()) { |
1045 |
__ mov(dst.first()->as_Register(), src.first()->as_Register()); |
|
1046 |
} |
|
1 | 1047 |
} |
1048 |
} |
|
1049 |
||
1050 |
// An oop arg. Must pass a handle not the oop itself |
|
1051 |
static void object_move(MacroAssembler* masm, |
|
1052 |
OopMap* map, |
|
1053 |
int oop_handle_offset, |
|
1054 |
int framesize_in_slots, |
|
1055 |
VMRegPair src, |
|
1056 |
VMRegPair dst, |
|
1057 |
bool is_receiver, |
|
1058 |
int* receiver_offset) { |
|
1059 |
||
1060 |
// Because of the calling conventions we know that src can be a |
|
1061 |
// register or a stack location. dst can only be a stack location. |
|
1062 |
||
1063 |
assert(dst.first()->is_stack(), "must be stack"); |
|
1064 |
// must pass a handle. First figure out the location we use as a handle |
|
1065 |
||
1066 |
if (src.first()->is_stack()) { |
|
1067 |
// Oop is already on the stack as an argument |
|
1068 |
Register rHandle = rax; |
|
1069 |
Label nil; |
|
1066 | 1070 |
__ xorptr(rHandle, rHandle); |
1071 |
__ cmpptr(Address(rbp, reg2offset_in(src.first())), (int32_t)NULL_WORD); |
|
1 | 1072 |
__ jcc(Assembler::equal, nil); |
1066 | 1073 |
__ lea(rHandle, Address(rbp, reg2offset_in(src.first()))); |
1 | 1074 |
__ bind(nil); |
1066 | 1075 |
__ movptr(Address(rsp, reg2offset_out(dst.first())), rHandle); |
1 | 1076 |
|
1077 |
int offset_in_older_frame = src.first()->reg2stack() + SharedRuntime::out_preserve_stack_slots(); |
|
1078 |
map->set_oop(VMRegImpl::stack2reg(offset_in_older_frame + framesize_in_slots)); |
|
1079 |
if (is_receiver) { |
|
1080 |
*receiver_offset = (offset_in_older_frame + framesize_in_slots) * VMRegImpl::stack_slot_size; |
|
1081 |
} |
|
1082 |
} else { |
|
1083 |
// Oop is in an a register we must store it to the space we reserve |
|
1084 |
// on the stack for oop_handles |
|
1085 |
const Register rOop = src.first()->as_Register(); |
|
1086 |
const Register rHandle = rax; |
|
1087 |
int oop_slot = (rOop == rcx ? 0 : 1) * VMRegImpl::slots_per_word + oop_handle_offset; |
|
1088 |
int offset = oop_slot*VMRegImpl::stack_slot_size; |
|
1089 |
Label skip; |
|
1066 | 1090 |
__ movptr(Address(rsp, offset), rOop); |
1 | 1091 |
map->set_oop(VMRegImpl::stack2reg(oop_slot)); |
1066 | 1092 |
__ xorptr(rHandle, rHandle); |
1093 |
__ cmpptr(rOop, (int32_t)NULL_WORD); |
|
1 | 1094 |
__ jcc(Assembler::equal, skip); |
1066 | 1095 |
__ lea(rHandle, Address(rsp, offset)); |
1 | 1096 |
__ bind(skip); |
1097 |
// Store the handle parameter |
|
1066 | 1098 |
__ movptr(Address(rsp, reg2offset_out(dst.first())), rHandle); |
1 | 1099 |
if (is_receiver) { |
1100 |
*receiver_offset = offset; |
|
1101 |
} |
|
1102 |
} |
|
1103 |
} |
|
1104 |
||
1105 |
// A float arg may have to do float reg int reg conversion |
|
1106 |
static void float_move(MacroAssembler* masm, VMRegPair src, VMRegPair dst) { |
|
1107 |
assert(!src.second()->is_valid() && !dst.second()->is_valid(), "bad float_move"); |
|
1108 |
||
1109 |
// Because of the calling convention we know that src is either a stack location |
|
1110 |
// or an xmm register. dst can only be a stack location. |
|
1111 |
||
1112 |
assert(dst.first()->is_stack() && ( src.first()->is_stack() || src.first()->is_XMMRegister()), "bad parameters"); |
|
1113 |
||
1114 |
if (src.first()->is_stack()) { |
|
1115 |
__ movl(rax, Address(rbp, reg2offset_in(src.first()))); |
|
1066 | 1116 |
__ movptr(Address(rsp, reg2offset_out(dst.first())), rax); |
1 | 1117 |
} else { |
1118 |
// reg to stack |
|
1119 |
__ movflt(Address(rsp, reg2offset_out(dst.first())), src.first()->as_XMMRegister()); |
|
1120 |
} |
|
1121 |
} |
|
1122 |
||
1123 |
// A long move |
|
1124 |
static void long_move(MacroAssembler* masm, VMRegPair src, VMRegPair dst) { |
|
1125 |
||
1126 |
// The only legal possibility for a long_move VMRegPair is: |
|
1127 |
// 1: two stack slots (possibly unaligned) |
|
1128 |
// as neither the java or C calling convention will use registers |
|
1129 |
// for longs. |
|
1130 |
||
1131 |
if (src.first()->is_stack() && dst.first()->is_stack()) { |
|
1132 |
assert(src.second()->is_stack() && dst.second()->is_stack(), "must be all stack"); |
|
1066 | 1133 |
__ movptr(rax, Address(rbp, reg2offset_in(src.first()))); |
1134 |
NOT_LP64(__ movptr(rbx, Address(rbp, reg2offset_in(src.second())))); |
|
1135 |
__ movptr(Address(rsp, reg2offset_out(dst.first())), rax); |
|
1136 |
NOT_LP64(__ movptr(Address(rsp, reg2offset_out(dst.second())), rbx)); |
|
1 | 1137 |
} else { |
1138 |
ShouldNotReachHere(); |
|
1139 |
} |
|
1140 |
} |
|
1141 |
||
1142 |
// A double move |
|
1143 |
static void double_move(MacroAssembler* masm, VMRegPair src, VMRegPair dst) { |
|
1144 |
||
1145 |
// The only legal possibilities for a double_move VMRegPair are: |
|
1146 |
// The painful thing here is that like long_move a VMRegPair might be |
|
1147 |
||
1148 |
// Because of the calling convention we know that src is either |
|
1149 |
// 1: a single physical register (xmm registers only) |
|
1150 |
// 2: two stack slots (possibly unaligned) |
|
1151 |
// dst can only be a pair of stack slots. |
|
1152 |
||
1153 |
assert(dst.first()->is_stack() && (src.first()->is_XMMRegister() || src.first()->is_stack()), "bad args"); |
|
1154 |
||
1155 |
if (src.first()->is_stack()) { |
|
1156 |
// source is all stack |
|
1066 | 1157 |
__ movptr(rax, Address(rbp, reg2offset_in(src.first()))); |
1158 |
NOT_LP64(__ movptr(rbx, Address(rbp, reg2offset_in(src.second())))); |
|
1159 |
__ movptr(Address(rsp, reg2offset_out(dst.first())), rax); |
|
1160 |
NOT_LP64(__ movptr(Address(rsp, reg2offset_out(dst.second())), rbx)); |
|
1 | 1161 |
} else { |
1162 |
// reg to stack |
|
1163 |
// No worries about stack alignment |
|
1164 |
__ movdbl(Address(rsp, reg2offset_out(dst.first())), src.first()->as_XMMRegister()); |
|
1165 |
} |
|
1166 |
} |
|
1167 |
||
1168 |
||
1169 |
void SharedRuntime::save_native_result(MacroAssembler *masm, BasicType ret_type, int frame_slots) { |
|
1170 |
// We always ignore the frame_slots arg and just use the space just below frame pointer |
|
1171 |
// which by this time is free to use |
|
1172 |
switch (ret_type) { |
|
1173 |
case T_FLOAT: |
|
1174 |
__ fstp_s(Address(rbp, -wordSize)); |
|
1175 |
break; |
|
1176 |
case T_DOUBLE: |
|
1177 |
__ fstp_d(Address(rbp, -2*wordSize)); |
|
1178 |
break; |
|
1179 |
case T_VOID: break; |
|
1180 |
case T_LONG: |
|
1066 | 1181 |
__ movptr(Address(rbp, -wordSize), rax); |
1182 |
NOT_LP64(__ movptr(Address(rbp, -2*wordSize), rdx)); |
|
1 | 1183 |
break; |
1184 |
default: { |
|
1066 | 1185 |
__ movptr(Address(rbp, -wordSize), rax); |
1 | 1186 |
} |
1187 |
} |
|
1188 |
} |
|
1189 |
||
1190 |
void SharedRuntime::restore_native_result(MacroAssembler *masm, BasicType ret_type, int frame_slots) { |
|
1191 |
// We always ignore the frame_slots arg and just use the space just below frame pointer |
|
1192 |
// which by this time is free to use |
|
1193 |
switch (ret_type) { |
|
1194 |
case T_FLOAT: |
|
1195 |
__ fld_s(Address(rbp, -wordSize)); |
|
1196 |
break; |
|
1197 |
case T_DOUBLE: |
|
1198 |
__ fld_d(Address(rbp, -2*wordSize)); |
|
1199 |
break; |
|
1200 |
case T_LONG: |
|
1066 | 1201 |
__ movptr(rax, Address(rbp, -wordSize)); |
1202 |
NOT_LP64(__ movptr(rdx, Address(rbp, -2*wordSize))); |
|
1 | 1203 |
break; |
1204 |
case T_VOID: break; |
|
1205 |
default: { |
|
1066 | 1206 |
__ movptr(rax, Address(rbp, -wordSize)); |
1 | 1207 |
} |
1208 |
} |
|
1209 |
} |
|
1210 |
||
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1211 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1212 |
static void save_or_restore_arguments(MacroAssembler* masm, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1213 |
const int stack_slots, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1214 |
const int total_in_args, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1215 |
const int arg_save_area, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1216 |
OopMap* map, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1217 |
VMRegPair* in_regs, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1218 |
BasicType* in_sig_bt) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1219 |
// if map is non-NULL then the code should store the values, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1220 |
// otherwise it should load them. |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1221 |
int handle_index = 0; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1222 |
// Save down double word first |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1223 |
for ( int i = 0; i < total_in_args; i++) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1224 |
if (in_regs[i].first()->is_XMMRegister() && in_sig_bt[i] == T_DOUBLE) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1225 |
int slot = handle_index * VMRegImpl::slots_per_word + arg_save_area; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1226 |
int offset = slot * VMRegImpl::stack_slot_size; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1227 |
handle_index += 2; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1228 |
assert(handle_index <= stack_slots, "overflow"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1229 |
if (map != NULL) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1230 |
__ movdbl(Address(rsp, offset), in_regs[i].first()->as_XMMRegister()); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1231 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1232 |
__ movdbl(in_regs[i].first()->as_XMMRegister(), Address(rsp, offset)); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1233 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1234 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1235 |
if (in_regs[i].first()->is_Register() && in_sig_bt[i] == T_LONG) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1236 |
int slot = handle_index * VMRegImpl::slots_per_word + arg_save_area; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1237 |
int offset = slot * VMRegImpl::stack_slot_size; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1238 |
handle_index += 2; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1239 |
assert(handle_index <= stack_slots, "overflow"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1240 |
if (map != NULL) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1241 |
__ movl(Address(rsp, offset), in_regs[i].first()->as_Register()); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1242 |
if (in_regs[i].second()->is_Register()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1243 |
__ movl(Address(rsp, offset + 4), in_regs[i].second()->as_Register()); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1244 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1245 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1246 |
__ movl(in_regs[i].first()->as_Register(), Address(rsp, offset)); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1247 |
if (in_regs[i].second()->is_Register()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1248 |
__ movl(in_regs[i].second()->as_Register(), Address(rsp, offset + 4)); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1249 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1250 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1251 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1252 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1253 |
// Save or restore single word registers |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1254 |
for ( int i = 0; i < total_in_args; i++) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1255 |
if (in_regs[i].first()->is_Register()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1256 |
int slot = handle_index++ * VMRegImpl::slots_per_word + arg_save_area; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1257 |
int offset = slot * VMRegImpl::stack_slot_size; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1258 |
assert(handle_index <= stack_slots, "overflow"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1259 |
if (in_sig_bt[i] == T_ARRAY && map != NULL) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1260 |
map->set_oop(VMRegImpl::stack2reg(slot));; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1261 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1262 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1263 |
// Value is in an input register pass we must flush it to the stack |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1264 |
const Register reg = in_regs[i].first()->as_Register(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1265 |
switch (in_sig_bt[i]) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1266 |
case T_ARRAY: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1267 |
if (map != NULL) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1268 |
__ movptr(Address(rsp, offset), reg); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1269 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1270 |
__ movptr(reg, Address(rsp, offset)); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1271 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1272 |
break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1273 |
case T_BOOLEAN: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1274 |
case T_CHAR: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1275 |
case T_BYTE: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1276 |
case T_SHORT: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1277 |
case T_INT: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1278 |
if (map != NULL) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1279 |
__ movl(Address(rsp, offset), reg); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1280 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1281 |
__ movl(reg, Address(rsp, offset)); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1282 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1283 |
break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1284 |
case T_OBJECT: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1285 |
default: ShouldNotReachHere(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1286 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1287 |
} else if (in_regs[i].first()->is_XMMRegister()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1288 |
if (in_sig_bt[i] == T_FLOAT) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1289 |
int slot = handle_index++ * VMRegImpl::slots_per_word + arg_save_area; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1290 |
int offset = slot * VMRegImpl::stack_slot_size; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1291 |
assert(handle_index <= stack_slots, "overflow"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1292 |
if (map != NULL) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1293 |
__ movflt(Address(rsp, offset), in_regs[i].first()->as_XMMRegister()); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1294 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1295 |
__ movflt(in_regs[i].first()->as_XMMRegister(), Address(rsp, offset)); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1296 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1297 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1298 |
} else if (in_regs[i].first()->is_stack()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1299 |
if (in_sig_bt[i] == T_ARRAY && map != NULL) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1300 |
int offset_in_older_frame = in_regs[i].first()->reg2stack() + SharedRuntime::out_preserve_stack_slots(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1301 |
map->set_oop(VMRegImpl::stack2reg(offset_in_older_frame + stack_slots)); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1302 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1303 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1304 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1305 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1306 |
|
58641
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1307 |
// Registers need to be saved for runtime call |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1308 |
static Register caller_saved_registers[] = { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1309 |
rcx, rdx, rsi, rdi |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1310 |
}; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1311 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1312 |
// Save caller saved registers except r1 and r2 |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1313 |
static void save_registers_except(MacroAssembler* masm, Register r1, Register r2) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1314 |
int reg_len = (int)(sizeof(caller_saved_registers) / sizeof(Register)); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1315 |
for (int index = 0; index < reg_len; index ++) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1316 |
Register this_reg = caller_saved_registers[index]; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1317 |
if (this_reg != r1 && this_reg != r2) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1318 |
__ push(this_reg); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1319 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1320 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1321 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1322 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1323 |
// Restore caller saved registers except r1 and r2 |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1324 |
static void restore_registers_except(MacroAssembler* masm, Register r1, Register r2) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1325 |
int reg_len = (int)(sizeof(caller_saved_registers) / sizeof(Register)); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1326 |
for (int index = reg_len - 1; index >= 0; index --) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1327 |
Register this_reg = caller_saved_registers[index]; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1328 |
if (this_reg != r1 && this_reg != r2) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1329 |
__ pop(this_reg); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1330 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1331 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1332 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1333 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1334 |
// Pin object, return pinned object or null in rax |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1335 |
static void gen_pin_object(MacroAssembler* masm, |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1336 |
Register thread, VMRegPair reg) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1337 |
__ block_comment("gen_pin_object {"); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1338 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1339 |
Label is_null; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1340 |
Register tmp_reg = rax; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1341 |
VMRegPair tmp(tmp_reg->as_VMReg()); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1342 |
if (reg.first()->is_stack()) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1343 |
// Load the arg up from the stack |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1344 |
simple_move32(masm, reg, tmp); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1345 |
reg = tmp; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1346 |
} else { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1347 |
__ movl(tmp_reg, reg.first()->as_Register()); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1348 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1349 |
__ testptr(reg.first()->as_Register(), reg.first()->as_Register()); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1350 |
__ jccb(Assembler::equal, is_null); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1351 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1352 |
// Save registers that may be used by runtime call |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1353 |
Register arg = reg.first()->is_Register() ? reg.first()->as_Register() : noreg; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1354 |
save_registers_except(masm, arg, thread); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1355 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1356 |
__ call_VM_leaf( |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1357 |
CAST_FROM_FN_PTR(address, SharedRuntime::pin_object), |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1358 |
thread, reg.first()->as_Register()); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1359 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1360 |
// Restore saved registers |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1361 |
restore_registers_except(masm, arg, thread); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1362 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1363 |
__ bind(is_null); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1364 |
__ block_comment("} gen_pin_object"); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1365 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1366 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1367 |
// Unpin object |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1368 |
static void gen_unpin_object(MacroAssembler* masm, |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1369 |
Register thread, VMRegPair reg) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1370 |
__ block_comment("gen_unpin_object {"); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1371 |
Label is_null; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1372 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1373 |
// temp register |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1374 |
__ push(rax); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1375 |
Register tmp_reg = rax; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1376 |
VMRegPair tmp(tmp_reg->as_VMReg()); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1377 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1378 |
simple_move32(masm, reg, tmp); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1379 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1380 |
__ testptr(rax, rax); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1381 |
__ jccb(Assembler::equal, is_null); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1382 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1383 |
// Save registers that may be used by runtime call |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1384 |
Register arg = reg.first()->is_Register() ? reg.first()->as_Register() : noreg; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1385 |
save_registers_except(masm, arg, thread); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1386 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1387 |
__ call_VM_leaf( |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1388 |
CAST_FROM_FN_PTR(address, SharedRuntime::unpin_object), |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1389 |
thread, rax); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1390 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1391 |
// Restore saved registers |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1392 |
restore_registers_except(masm, arg, thread); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1393 |
__ bind(is_null); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1394 |
__ pop(rax); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1395 |
__ block_comment("} gen_unpin_object"); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1396 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1397 |
|
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35214
diff
changeset
|
1398 |
// Check GCLocker::needs_gc and enter the runtime if it's true. This |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1399 |
// keeps a new JNI critical region from starting until a GC has been |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1400 |
// forced. Save down any oops in registers and describe them in an |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1401 |
// OopMap. |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1402 |
static void check_needs_gc_for_critical_native(MacroAssembler* masm, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1403 |
Register thread, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1404 |
int stack_slots, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1405 |
int total_c_args, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1406 |
int total_in_args, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1407 |
int arg_save_area, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1408 |
OopMapSet* oop_maps, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1409 |
VMRegPair* in_regs, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1410 |
BasicType* in_sig_bt) { |
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35214
diff
changeset
|
1411 |
__ block_comment("check GCLocker::needs_gc"); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1412 |
Label cont; |
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35214
diff
changeset
|
1413 |
__ cmp8(ExternalAddress((address)GCLocker::needs_gc_address()), false); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1414 |
__ jcc(Assembler::equal, cont); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1415 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1416 |
// Save down any incoming oops and call into the runtime to halt for a GC |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1417 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1418 |
OopMap* map = new OopMap(stack_slots * 2, 0 /* arg_slots*/); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1419 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1420 |
save_or_restore_arguments(masm, stack_slots, total_in_args, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1421 |
arg_save_area, map, in_regs, in_sig_bt); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1422 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1423 |
address the_pc = __ pc(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1424 |
oop_maps->add_gc_map( __ offset(), map); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1425 |
__ set_last_Java_frame(thread, rsp, noreg, the_pc); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1426 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1427 |
__ block_comment("block_for_jni_critical"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1428 |
__ push(thread); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1429 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::block_for_jni_critical))); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1430 |
__ increment(rsp, wordSize); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1431 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1432 |
__ get_thread(thread); |
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
38259
diff
changeset
|
1433 |
__ reset_last_Java_frame(thread, false); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1434 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1435 |
save_or_restore_arguments(masm, stack_slots, total_in_args, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1436 |
arg_save_area, NULL, in_regs, in_sig_bt); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1437 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1438 |
__ bind(cont); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1439 |
#ifdef ASSERT |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1440 |
if (StressCriticalJNINatives) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1441 |
// Stress register saving |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1442 |
OopMap* map = new OopMap(stack_slots * 2, 0 /* arg_slots*/); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1443 |
save_or_restore_arguments(masm, stack_slots, total_in_args, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1444 |
arg_save_area, map, in_regs, in_sig_bt); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1445 |
// Destroy argument registers |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1446 |
for (int i = 0; i < total_in_args - 1; i++) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1447 |
if (in_regs[i].first()->is_Register()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1448 |
const Register reg = in_regs[i].first()->as_Register(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1449 |
__ xorptr(reg, reg); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1450 |
} else if (in_regs[i].first()->is_XMMRegister()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1451 |
__ xorpd(in_regs[i].first()->as_XMMRegister(), in_regs[i].first()->as_XMMRegister()); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1452 |
} else if (in_regs[i].first()->is_FloatRegister()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1453 |
ShouldNotReachHere(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1454 |
} else if (in_regs[i].first()->is_stack()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1455 |
// Nothing to do |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1456 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1457 |
ShouldNotReachHere(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1458 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1459 |
if (in_sig_bt[i] == T_LONG || in_sig_bt[i] == T_DOUBLE) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1460 |
i++; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1461 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1462 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1463 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1464 |
save_or_restore_arguments(masm, stack_slots, total_in_args, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1465 |
arg_save_area, NULL, in_regs, in_sig_bt); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1466 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1467 |
#endif |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1468 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1469 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1470 |
// Unpack an array argument into a pointer to the body and the length |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1471 |
// if the array is non-null, otherwise pass 0 for both. |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1472 |
static void unpack_array_argument(MacroAssembler* masm, VMRegPair reg, BasicType in_elem_type, VMRegPair body_arg, VMRegPair length_arg) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1473 |
Register tmp_reg = rax; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1474 |
assert(!body_arg.first()->is_Register() || body_arg.first()->as_Register() != tmp_reg, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1475 |
"possible collision"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1476 |
assert(!length_arg.first()->is_Register() || length_arg.first()->as_Register() != tmp_reg, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1477 |
"possible collision"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1478 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1479 |
// Pass the length, ptr pair |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1480 |
Label is_null, done; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1481 |
VMRegPair tmp(tmp_reg->as_VMReg()); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1482 |
if (reg.first()->is_stack()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1483 |
// Load the arg up from the stack |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1484 |
simple_move32(masm, reg, tmp); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1485 |
reg = tmp; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1486 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1487 |
__ testptr(reg.first()->as_Register(), reg.first()->as_Register()); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1488 |
__ jccb(Assembler::equal, is_null); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1489 |
__ lea(tmp_reg, Address(reg.first()->as_Register(), arrayOopDesc::base_offset_in_bytes(in_elem_type))); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1490 |
simple_move32(masm, tmp, body_arg); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1491 |
// load the length relative to the body. |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1492 |
__ movl(tmp_reg, Address(tmp_reg, arrayOopDesc::length_offset_in_bytes() - |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1493 |
arrayOopDesc::base_offset_in_bytes(in_elem_type))); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1494 |
simple_move32(masm, tmp, length_arg); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1495 |
__ jmpb(done); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1496 |
__ bind(is_null); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1497 |
// Pass zeros |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1498 |
__ xorptr(tmp_reg, tmp_reg); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1499 |
simple_move32(masm, tmp, body_arg); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1500 |
simple_move32(masm, tmp, length_arg); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1501 |
__ bind(done); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1502 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1503 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1504 |
static void verify_oop_args(MacroAssembler* masm, |
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46625
diff
changeset
|
1505 |
const methodHandle& method, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1506 |
const BasicType* sig_bt, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1507 |
const VMRegPair* regs) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1508 |
Register temp_reg = rbx; // not part of any compiled calling seq |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1509 |
if (VerifyOops) { |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1510 |
for (int i = 0; i < method->size_of_parameters(); i++) { |
58273
08a5148e7c4e
8230505: Replace JVM type comparisons to T_OBJECT and T_ARRAY with call to is_reference_type
lfoltan
parents:
57710
diff
changeset
|
1511 |
if (is_reference_type(sig_bt[i])) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1512 |
VMReg r = regs[i].first(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1513 |
assert(r->is_valid(), "bad oop arg"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1514 |
if (r->is_stack()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1515 |
__ movptr(temp_reg, Address(rsp, r->reg2stack() * VMRegImpl::stack_slot_size + wordSize)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1516 |
__ verify_oop(temp_reg); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1517 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1518 |
__ verify_oop(r->as_Register()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1519 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1520 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1521 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1522 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1523 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1524 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1525 |
static void gen_special_dispatch(MacroAssembler* masm, |
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46625
diff
changeset
|
1526 |
const methodHandle& method, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1527 |
const BasicType* sig_bt, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1528 |
const VMRegPair* regs) { |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1529 |
verify_oop_args(masm, method, sig_bt, regs); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1530 |
vmIntrinsics::ID iid = method->intrinsic_id(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1531 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1532 |
// Now write the args into the outgoing interpreter space |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1533 |
bool has_receiver = false; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1534 |
Register receiver_reg = noreg; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1535 |
int member_arg_pos = -1; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1536 |
Register member_reg = noreg; |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1537 |
int ref_kind = MethodHandles::signature_polymorphic_intrinsic_ref_kind(iid); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1538 |
if (ref_kind != 0) { |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1539 |
member_arg_pos = method->size_of_parameters() - 1; // trailing MemberName argument |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1540 |
member_reg = rbx; // known to be free at this point |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1541 |
has_receiver = MethodHandles::ref_kind_has_receiver(ref_kind); |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1542 |
} else if (iid == vmIntrinsics::_invokeBasic) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1543 |
has_receiver = true; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1544 |
} else { |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32727
diff
changeset
|
1545 |
fatal("unexpected intrinsic id %d", iid); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1546 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1547 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1548 |
if (member_reg != noreg) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1549 |
// Load the member_arg into register, if necessary. |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1550 |
SharedRuntime::check_member_name_argument_is_last_argument(method, sig_bt, regs); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1551 |
VMReg r = regs[member_arg_pos].first(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1552 |
if (r->is_stack()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1553 |
__ movptr(member_reg, Address(rsp, r->reg2stack() * VMRegImpl::stack_slot_size + wordSize)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1554 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1555 |
// no data motion is needed |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1556 |
member_reg = r->as_Register(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1557 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1558 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1559 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1560 |
if (has_receiver) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1561 |
// Make sure the receiver is loaded into a register. |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1562 |
assert(method->size_of_parameters() > 0, "oob"); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1563 |
assert(sig_bt[0] == T_OBJECT, "receiver argument must be an object"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1564 |
VMReg r = regs[0].first(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1565 |
assert(r->is_valid(), "bad receiver arg"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1566 |
if (r->is_stack()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1567 |
// Porting note: This assumes that compiled calling conventions always |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1568 |
// pass the receiver oop in a register. If this is not true on some |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1569 |
// platform, pick a temp and load the receiver from stack. |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1570 |
fatal("receiver always in a register"); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1571 |
receiver_reg = rcx; // known to be free at this point |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1572 |
__ movptr(receiver_reg, Address(rsp, r->reg2stack() * VMRegImpl::stack_slot_size + wordSize)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1573 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1574 |
// no data motion is needed |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1575 |
receiver_reg = r->as_Register(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1576 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1577 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1578 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1579 |
// Figure out which address we are really jumping to: |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1580 |
MethodHandles::generate_method_handle_dispatch(masm, iid, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1581 |
receiver_reg, member_reg, /*for_compiler_entry:*/ true); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1582 |
} |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1583 |
|
1 | 1584 |
// --------------------------------------------------------------------------- |
1585 |
// Generate a native wrapper for a given method. The method takes arguments |
|
1586 |
// in the Java compiled code convention, marshals them to the native |
|
1587 |
// convention (handlizes oops, etc), transitions to native, makes the call, |
|
1588 |
// returns to java state (possibly blocking), unhandlizes any result and |
|
1589 |
// returns. |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1590 |
// |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1591 |
// Critical native functions are a shorthand for the use of |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1592 |
// GetPrimtiveArrayCritical and disallow the use of any other JNI |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1593 |
// functions. The wrapper is expected to unpack the arguments before |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1594 |
// passing them to the callee and perform checks before and after the |
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35214
diff
changeset
|
1595 |
// native call to ensure that they GCLocker |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1596 |
// lock_critical/unlock_critical semantics are followed. Some other |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1597 |
// parts of JNI setup are skipped like the tear down of the JNI handle |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1598 |
// block and the check for pending exceptions it's impossible for them |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1599 |
// to be thrown. |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1600 |
// |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1601 |
// They are roughly structured like this: |
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35214
diff
changeset
|
1602 |
// if (GCLocker::needs_gc()) |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1603 |
// SharedRuntime::block_for_jni_critical(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1604 |
// tranistion to thread_in_native |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1605 |
// unpack arrray arguments and call native entry point |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1606 |
// check for safepoint in progress |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1607 |
// check if any thread suspend flags are set |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1608 |
// call into JVM and possible unlock the JNI critical |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1609 |
// if a GC was suppressed while in the critical native. |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1610 |
// transition back to thread_in_Java |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1611 |
// return to caller |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1612 |
// |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1613 |
nmethod* SharedRuntime::generate_native_wrapper(MacroAssembler* masm, |
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1614 |
const methodHandle& method, |
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8315
diff
changeset
|
1615 |
int compile_id, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1616 |
BasicType* in_sig_bt, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1617 |
VMRegPair* in_regs, |
57710
05ff6e27de45
8229236: CriticalJNINatives: dll handling should be done in native thread state
mdoerr
parents:
54847
diff
changeset
|
1618 |
BasicType ret_type, |
05ff6e27de45
8229236: CriticalJNINatives: dll handling should be done in native thread state
mdoerr
parents:
54847
diff
changeset
|
1619 |
address critical_entry) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1620 |
if (method->is_method_handle_intrinsic()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1621 |
vmIntrinsics::ID iid = method->intrinsic_id(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1622 |
intptr_t start = (intptr_t)__ pc(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1623 |
int vep_offset = ((intptr_t)__ pc()) - start; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1624 |
gen_special_dispatch(masm, |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1625 |
method, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1626 |
in_sig_bt, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1627 |
in_regs); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1628 |
int frame_complete = ((intptr_t)__ pc()) - start; // not complete, period |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1629 |
__ flush(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1630 |
int stack_slots = SharedRuntime::out_preserve_stack_slots(); // no out slots at all, actually |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1631 |
return nmethod::new_native_nmethod(method, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1632 |
compile_id, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1633 |
masm->code(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1634 |
vep_offset, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1635 |
frame_complete, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1636 |
stack_slots / VMRegImpl::slots_per_word, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1637 |
in_ByteSize(-1), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1638 |
in_ByteSize(-1), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1639 |
(OopMapSet*)NULL); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1640 |
} |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1641 |
bool is_critical_native = true; |
57710
05ff6e27de45
8229236: CriticalJNINatives: dll handling should be done in native thread state
mdoerr
parents:
54847
diff
changeset
|
1642 |
address native_func = critical_entry; |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1643 |
if (native_func == NULL) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1644 |
native_func = method->native_function(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1645 |
is_critical_native = false; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1646 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1647 |
assert(native_func != NULL, "must have function"); |
1 | 1648 |
|
1649 |
// An OopMap for lock (and class if static) |
|
1650 |
OopMapSet *oop_maps = new OopMapSet(); |
|
1651 |
||
1652 |
// We have received a description of where all the java arg are located |
|
1653 |
// on entry to the wrapper. We need to convert these args to where |
|
1654 |
// the jni function will expect them. To figure out where they go |
|
1655 |
// we convert the java signature to a C signature by inserting |
|
1656 |
// the hidden arguments as arg[0] and possibly arg[1] (static method) |
|
1657 |
||
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13742
diff
changeset
|
1658 |
const int total_in_args = method->size_of_parameters(); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1659 |
int total_c_args = total_in_args; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1660 |
if (!is_critical_native) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1661 |
total_c_args += 1; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1662 |
if (method->is_static()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1663 |
total_c_args++; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1664 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1665 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1666 |
for (int i = 0; i < total_in_args; i++) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1667 |
if (in_sig_bt[i] == T_ARRAY) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1668 |
total_c_args++; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1669 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1670 |
} |
1 | 1671 |
} |
1672 |
||
1673 |
BasicType* out_sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_c_args); |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1674 |
VMRegPair* out_regs = NEW_RESOURCE_ARRAY(VMRegPair, total_c_args); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1675 |
BasicType* in_elem_bt = NULL; |
1 | 1676 |
|
1677 |
int argc = 0; |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1678 |
if (!is_critical_native) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1679 |
out_sig_bt[argc++] = T_ADDRESS; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1680 |
if (method->is_static()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1681 |
out_sig_bt[argc++] = T_OBJECT; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1682 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1683 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1684 |
for (int i = 0; i < total_in_args ; i++ ) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1685 |
out_sig_bt[argc++] = in_sig_bt[i]; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1686 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1687 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1688 |
in_elem_bt = NEW_RESOURCE_ARRAY(BasicType, total_in_args); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1689 |
SignatureStream ss(method->signature()); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1690 |
for (int i = 0; i < total_in_args ; i++ ) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1691 |
if (in_sig_bt[i] == T_ARRAY) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1692 |
// Arrays are passed as int, elem* pair |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1693 |
out_sig_bt[argc++] = T_INT; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1694 |
out_sig_bt[argc++] = T_ADDRESS; |
54847
59ea39bb2809
8223657: Remove unused THREAD argument from SymbolTable functions
coleenp
parents:
52460
diff
changeset
|
1695 |
Symbol* atype = ss.as_symbol(); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1696 |
const char* at = atype->as_C_string(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1697 |
if (strlen(at) == 2) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1698 |
assert(at[0] == '[', "must be"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1699 |
switch (at[1]) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1700 |
case 'B': in_elem_bt[i] = T_BYTE; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1701 |
case 'C': in_elem_bt[i] = T_CHAR; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1702 |
case 'D': in_elem_bt[i] = T_DOUBLE; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1703 |
case 'F': in_elem_bt[i] = T_FLOAT; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1704 |
case 'I': in_elem_bt[i] = T_INT; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1705 |
case 'J': in_elem_bt[i] = T_LONG; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1706 |
case 'S': in_elem_bt[i] = T_SHORT; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1707 |
case 'Z': in_elem_bt[i] = T_BOOLEAN; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1708 |
default: ShouldNotReachHere(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1709 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1710 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1711 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1712 |
out_sig_bt[argc++] = in_sig_bt[i]; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1713 |
in_elem_bt[i] = T_VOID; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1714 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1715 |
if (in_sig_bt[i] != T_VOID) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1716 |
assert(in_sig_bt[i] == ss.type(), "must match"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1717 |
ss.next(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1718 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1719 |
} |
1 | 1720 |
} |
1721 |
||
1722 |
// Now figure out where the args must be stored and how much stack space |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1723 |
// they require. |
1 | 1724 |
int out_arg_slots; |
22832
03720a5b7595
8024344: PPC64 (part 112): C argument in register AND stack slot.
goetz
parents:
16624
diff
changeset
|
1725 |
out_arg_slots = c_calling_convention(out_sig_bt, out_regs, NULL, total_c_args); |
1 | 1726 |
|
1727 |
// Compute framesize for the wrapper. We need to handlize all oops in |
|
1728 |
// registers a max of 2 on x86. |
|
1729 |
||
1730 |
// Calculate the total number of stack slots we will need. |
|
1731 |
||
1732 |
// First count the abi requirement plus all of the outgoing args |
|
1733 |
int stack_slots = SharedRuntime::out_preserve_stack_slots() + out_arg_slots; |
|
1734 |
||
1735 |
// Now the space for the inbound oop handle area |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1736 |
int total_save_slots = 2 * VMRegImpl::slots_per_word; // 2 arguments passed in registers |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1737 |
if (is_critical_native) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1738 |
// Critical natives may have to call out so they need a save area |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1739 |
// for register arguments. |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1740 |
int double_slots = 0; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1741 |
int single_slots = 0; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1742 |
for ( int i = 0; i < total_in_args; i++) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1743 |
if (in_regs[i].first()->is_Register()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1744 |
const Register reg = in_regs[i].first()->as_Register(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1745 |
switch (in_sig_bt[i]) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
1746 |
case T_ARRAY: // critical array (uses 2 slots on LP64) |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1747 |
case T_BOOLEAN: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1748 |
case T_BYTE: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1749 |
case T_SHORT: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1750 |
case T_CHAR: |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1751 |
case T_INT: single_slots++; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1752 |
case T_LONG: double_slots++; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1753 |
default: ShouldNotReachHere(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1754 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1755 |
} else if (in_regs[i].first()->is_XMMRegister()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1756 |
switch (in_sig_bt[i]) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1757 |
case T_FLOAT: single_slots++; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1758 |
case T_DOUBLE: double_slots++; break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1759 |
default: ShouldNotReachHere(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1760 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1761 |
} else if (in_regs[i].first()->is_FloatRegister()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1762 |
ShouldNotReachHere(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1763 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1764 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1765 |
total_save_slots = double_slots * 2 + single_slots; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1766 |
// align the save area |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1767 |
if (double_slots != 0) { |
46620
750c6edff33b
8178500: Replace usages of round_to and round_down with align_up and align_down
stefank
parents:
46449
diff
changeset
|
1768 |
stack_slots = align_up(stack_slots, 2); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1769 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1770 |
} |
1 | 1771 |
|
1772 |
int oop_handle_offset = stack_slots; |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1773 |
stack_slots += total_save_slots; |
1 | 1774 |
|
1775 |
// Now any space we need for handlizing a klass if static method |
|
1776 |
||
1777 |
int klass_slot_offset = 0; |
|
1778 |
int klass_offset = -1; |
|
1779 |
int lock_slot_offset = 0; |
|
1780 |
bool is_static = false; |
|
1781 |
||
1782 |
if (method->is_static()) { |
|
1783 |
klass_slot_offset = stack_slots; |
|
1784 |
stack_slots += VMRegImpl::slots_per_word; |
|
1785 |
klass_offset = klass_slot_offset * VMRegImpl::stack_slot_size; |
|
1786 |
is_static = true; |
|
1787 |
} |
|
1788 |
||
1789 |
// Plus a lock if needed |
|
1790 |
||
1791 |
if (method->is_synchronized()) { |
|
1792 |
lock_slot_offset = stack_slots; |
|
1793 |
stack_slots += VMRegImpl::slots_per_word; |
|
1794 |
} |
|
1795 |
||
1796 |
// Now a place (+2) to save return values or temp during shuffling |
|
1797 |
// + 2 for return address (which we own) and saved rbp, |
|
1798 |
stack_slots += 4; |
|
1799 |
||
1800 |
// Ok The space we have allocated will look like: |
|
1801 |
// |
|
1802 |
// |
|
1803 |
// FP-> | | |
|
1804 |
// |---------------------| |
|
1805 |
// | 2 slots for moves | |
|
1806 |
// |---------------------| |
|
1807 |
// | lock box (if sync) | |
|
1808 |
// |---------------------| <- lock_slot_offset (-lock_slot_rbp_offset) |
|
1809 |
// | klass (if static) | |
|
1810 |
// |---------------------| <- klass_slot_offset |
|
1811 |
// | oopHandle area | |
|
1812 |
// |---------------------| <- oop_handle_offset (a max of 2 registers) |
|
1813 |
// | outbound memory | |
|
1814 |
// | based arguments | |
|
1815 |
// | | |
|
1816 |
// |---------------------| |
|
1817 |
// | | |
|
1818 |
// SP-> | out_preserved_slots | |
|
1819 |
// |
|
1820 |
// |
|
1821 |
// **************************************************************************** |
|
1822 |
// WARNING - on Windows Java Natives use pascal calling convention and pop the |
|
1823 |
// arguments off of the stack after the jni call. Before the call we can use |
|
1824 |
// instructions that are SP relative. After the jni call we switch to FP |
|
1825 |
// relative instructions instead of re-adjusting the stack on windows. |
|
1826 |
// **************************************************************************** |
|
1827 |
||
1828 |
||
1829 |
// Now compute actual number of stack words we need rounding to make |
|
1830 |
// stack properly aligned. |
|
46620
750c6edff33b
8178500: Replace usages of round_to and round_down with align_up and align_down
stefank
parents:
46449
diff
changeset
|
1831 |
stack_slots = align_up(stack_slots, StackAlignmentInSlots); |
1 | 1832 |
|
1833 |
int stack_size = stack_slots * VMRegImpl::stack_slot_size; |
|
1834 |
||
1835 |
intptr_t start = (intptr_t)__ pc(); |
|
1836 |
||
1837 |
// First thing make an ic check to see if we should even be here |
|
1838 |
||
1839 |
// We are free to use all registers as temps without saving them and |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
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parents:
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diff
changeset
|
1840 |
// restoring them except rbp. rbp is the only callee save register |
1 | 1841 |
// as far as the interpreter and the compiler(s) are concerned. |
1842 |
||
1843 |
||
1844 |
const Register ic_reg = rax; |
|
1845 |
const Register receiver = rcx; |
|
1846 |
Label hit; |
|
1847 |
Label exception_pending; |
|
1848 |
||
1849 |
__ verify_oop(receiver); |
|
1066 | 1850 |
__ cmpptr(ic_reg, Address(receiver, oopDesc::klass_offset_in_bytes())); |
1 | 1851 |
__ jcc(Assembler::equal, hit); |
1852 |
||
1853 |
__ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub())); |
|
1854 |
||
1855 |
// verified entry must be aligned for code patching. |
|
1856 |
// and the first 5 bytes must be in the same cache line |
|
1857 |
// if we align at 8 then we will be sure 5 bytes are in the same line |
|
1858 |
__ align(8); |
|
1859 |
||
1860 |
__ bind(hit); |
|
1861 |
||
1862 |
int vep_offset = ((intptr_t)__ pc()) - start; |
|
1863 |
||
1864 |
#ifdef COMPILER1 |
|
36079
692adc3fa1b5
6378256: Performance problem with System.identityHashCode in client compiler
thartmann
parents:
35757
diff
changeset
|
1865 |
// For Object.hashCode, System.identityHashCode try to pull hashCode from object header if available. |
692adc3fa1b5
6378256: Performance problem with System.identityHashCode in client compiler
thartmann
parents:
35757
diff
changeset
|
1866 |
if ((InlineObjectHash && method->intrinsic_id() == vmIntrinsics::_hashCode) || (method->intrinsic_id() == vmIntrinsics::_identityHashCode)) { |
692adc3fa1b5
6378256: Performance problem with System.identityHashCode in client compiler
thartmann
parents:
35757
diff
changeset
|
1867 |
inline_check_hashcode_from_object_header(masm, method, rcx /*obj_reg*/, rax /*result*/); |
692adc3fa1b5
6378256: Performance problem with System.identityHashCode in client compiler
thartmann
parents:
35757
diff
changeset
|
1868 |
} |
1 | 1869 |
#endif // COMPILER1 |
1870 |
||
1871 |
// The instruction at the verified entry point must be 5 bytes or longer |
|
1872 |
// because it can be patched on the fly by make_non_entrant. The stack bang |
|
1873 |
// instruction fits that requirement. |
|
1874 |
||
1875 |
// Generate stack overflow check |
|
1876 |
||
1877 |
if (UseStackBanging) { |
|
35201
996db89f378e
8139864: Improve handling of stack protection zones.
goetz
parents:
34203
diff
changeset
|
1878 |
__ bang_stack_with_offset((int)JavaThread::stack_shadow_zone_size()); |
1 | 1879 |
} else { |
1880 |
// need a 5 byte instruction to allow MT safe patching to non-entrant |
|
1881 |
__ fat_nop(); |
|
1882 |
} |
|
1883 |
||
1884 |
// Generate a new frame for the wrapper. |
|
1885 |
__ enter(); |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
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parents:
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changeset
|
1886 |
// -2 because return address is already present and so is saved rbp |
1066 | 1887 |
__ subptr(rsp, stack_size - 2*wordSize); |
1 | 1888 |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
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parents:
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diff
changeset
|
1889 |
// Frame is now completed as far as size and linkage. |
1 | 1890 |
int frame_complete = ((intptr_t)__ pc()) - start; |
1891 |
||
23491 | 1892 |
if (UseRTMLocking) { |
1893 |
// Abort RTM transaction before calling JNI |
|
1894 |
// because critical section will be large and will be |
|
1895 |
// aborted anyway. Also nmethod could be deoptimized. |
|
1896 |
__ xabort(0); |
|
1897 |
} |
|
1898 |
||
1 | 1899 |
// Calculate the difference between rsp and rbp,. We need to know it |
1900 |
// after the native call because on windows Java Natives will pop |
|
1901 |
// the arguments and it is painful to do rsp relative addressing |
|
1902 |
// in a platform independent way. So after the call we switch to |
|
1903 |
// rbp, relative addressing. |
|
1904 |
||
1905 |
int fp_adjustment = stack_size - 2*wordSize; |
|
1906 |
||
1907 |
#ifdef COMPILER2 |
|
1908 |
// C2 may leave the stack dirty if not in SSE2+ mode |
|
1909 |
if (UseSSE >= 2) { |
|
1910 |
__ verify_FPU(0, "c2i transition should have clean FPU stack"); |
|
1911 |
} else { |
|
1912 |
__ empty_FPU_stack(); |
|
1913 |
} |
|
1914 |
#endif /* COMPILER2 */ |
|
1915 |
||
1916 |
// Compute the rbp, offset for any slots used after the jni call |
|
1917 |
||
1918 |
int lock_slot_rbp_offset = (lock_slot_offset*VMRegImpl::stack_slot_size) - fp_adjustment; |
|
1919 |
||
1920 |
// We use rdi as a thread pointer because it is callee save and |
|
1921 |
// if we load it once it is usable thru the entire wrapper |
|
1922 |
const Register thread = rdi; |
|
1923 |
||
1924 |
// We use rsi as the oop handle for the receiver/klass |
|
1925 |
// It is callee save so it survives the call to native |
|
1926 |
||
1927 |
const Register oop_handle_reg = rsi; |
|
1928 |
||
1929 |
__ get_thread(thread); |
|
1930 |
||
58641
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
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parents:
58554
diff
changeset
|
1931 |
if (is_critical_native && !Universe::heap()->supports_object_pinning()) { |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1932 |
check_needs_gc_for_critical_native(masm, thread, stack_slots, total_c_args, total_in_args, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1933 |
oop_handle_offset, oop_maps, in_regs, in_sig_bt); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
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parents:
10539
diff
changeset
|
1934 |
} |
1 | 1935 |
|
1936 |
// |
|
1937 |
// We immediately shuffle the arguments so that any vm call we have to |
|
1938 |
// make from here on out (sync slow path, jvmti, etc.) we will have |
|
1939 |
// captured the oops from our caller and have a valid oopMap for |
|
1940 |
// them. |
|
1941 |
||
1942 |
// ----------------- |
|
1943 |
// The Grand Shuffle |
|
1944 |
// |
|
1945 |
// Natives require 1 or 2 extra arguments over the normal ones: the JNIEnv* |
|
1946 |
// and, if static, the class mirror instead of a receiver. This pretty much |
|
1947 |
// guarantees that register layout will not match (and x86 doesn't use reg |
|
1948 |
// parms though amd does). Since the native abi doesn't use register args |
|
1949 |
// and the java conventions does we don't have to worry about collisions. |
|
1950 |
// All of our moved are reg->stack or stack->stack. |
|
1951 |
// We ignore the extra arguments during the shuffle and handle them at the |
|
1952 |
// last moment. The shuffle is described by the two calling convention |
|
1953 |
// vectors we have in our possession. We simply walk the java vector to |
|
1954 |
// get the source locations and the c vector to get the destinations. |
|
1955 |
||
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1956 |
int c_arg = is_critical_native ? 0 : (method->is_static() ? 2 : 1 ); |
1 | 1957 |
|
1958 |
// Record rsp-based slot for receiver on stack for non-static methods |
|
1959 |
int receiver_offset = -1; |
|
1960 |
||
1961 |
// This is a trick. We double the stack slots so we can claim |
|
1962 |
// the oops in the caller's frame. Since we are sure to have |
|
1963 |
// more args than the caller doubling is enough to make |
|
1964 |
// sure we can capture all the incoming oop args from the |
|
1965 |
// caller. |
|
1966 |
// |
|
1967 |
OopMap* map = new OopMap(stack_slots * 2, 0 /* arg_slots*/); |
|
1968 |
||
58641
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1969 |
// Inbound arguments that need to be pinned for critical natives |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1970 |
GrowableArray<int> pinned_args(total_in_args); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1971 |
// Current stack slot for storing register based array argument |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1972 |
int pinned_slot = oop_handle_offset; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1973 |
|
1 | 1974 |
// Mark location of rbp, |
1975 |
// map->set_callee_saved(VMRegImpl::stack2reg( stack_slots - 2), stack_slots * 2, 0, rbp->as_VMReg()); |
|
1976 |
||
1977 |
// We know that we only have args in at most two integer registers (rcx, rdx). So rax, rbx |
|
1978 |
// Are free to temporaries if we have to do stack to steck moves. |
|
1979 |
// All inbound args are referenced based on rbp, and all outbound args via rsp. |
|
1980 |
||
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1981 |
for (int i = 0; i < total_in_args ; i++, c_arg++ ) { |
1 | 1982 |
switch (in_sig_bt[i]) { |
1983 |
case T_ARRAY: |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
1984 |
if (is_critical_native) { |
58641
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1985 |
VMRegPair in_arg = in_regs[i]; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1986 |
if (Universe::heap()->supports_object_pinning()) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1987 |
// gen_pin_object handles save and restore |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1988 |
// of any clobbered registers |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1989 |
gen_pin_object(masm, thread, in_arg); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1990 |
pinned_args.append(i); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1991 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1992 |
// rax has pinned array |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1993 |
VMRegPair result_reg(rax->as_VMReg()); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1994 |
if (!in_arg.first()->is_stack()) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1995 |
assert(pinned_slot <= stack_slots, "overflow"); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1996 |
simple_move32(masm, result_reg, VMRegImpl::stack2reg(pinned_slot)); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1997 |
pinned_slot += VMRegImpl::slots_per_word; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1998 |
} else { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
1999 |
// Write back pinned value, it will be used to unpin this argument |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2000 |
__ movptr(Address(rbp, reg2offset_in(in_arg.first())), result_reg.first()->as_Register()); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2001 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2002 |
// We have the array in register, use it |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2003 |
in_arg = result_reg; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2004 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2005 |
|
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2006 |
unpack_array_argument(masm, in_arg, in_elem_bt[i], out_regs[c_arg + 1], out_regs[c_arg]); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2007 |
c_arg++; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2008 |
break; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2009 |
} |
1 | 2010 |
case T_OBJECT: |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2011 |
assert(!is_critical_native, "no oop arguments"); |
1 | 2012 |
object_move(masm, map, oop_handle_offset, stack_slots, in_regs[i], out_regs[c_arg], |
2013 |
((i == 0) && (!is_static)), |
|
2014 |
&receiver_offset); |
|
2015 |
break; |
|
2016 |
case T_VOID: |
|
2017 |
break; |
|
2018 |
||
2019 |
case T_FLOAT: |
|
2020 |
float_move(masm, in_regs[i], out_regs[c_arg]); |
|
2021 |
break; |
|
2022 |
||
2023 |
case T_DOUBLE: |
|
2024 |
assert( i + 1 < total_in_args && |
|
2025 |
in_sig_bt[i + 1] == T_VOID && |
|
2026 |
out_sig_bt[c_arg+1] == T_VOID, "bad arg list"); |
|
2027 |
double_move(masm, in_regs[i], out_regs[c_arg]); |
|
2028 |
break; |
|
2029 |
||
2030 |
case T_LONG : |
|
2031 |
long_move(masm, in_regs[i], out_regs[c_arg]); |
|
2032 |
break; |
|
2033 |
||
2034 |
case T_ADDRESS: assert(false, "found T_ADDRESS in java args"); |
|
2035 |
||
2036 |
default: |
|
2037 |
simple_move32(masm, in_regs[i], out_regs[c_arg]); |
|
2038 |
} |
|
2039 |
} |
|
2040 |
||
2041 |
// Pre-load a static method's oop into rsi. Used both by locking code and |
|
2042 |
// the normal JNI call code. |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2043 |
if (method->is_static() && !is_critical_native) { |
1 | 2044 |
|
2045 |
// load opp into a register |
|
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
13883
diff
changeset
|
2046 |
__ movoop(oop_handle_reg, JNIHandles::make_local(method->method_holder()->java_mirror())); |
1 | 2047 |
|
2048 |
// Now handlize the static class mirror it's known not-null. |
|
1066 | 2049 |
__ movptr(Address(rsp, klass_offset), oop_handle_reg); |
1 | 2050 |
map->set_oop(VMRegImpl::stack2reg(klass_slot_offset)); |
2051 |
||
2052 |
// Now get the handle |
|
1066 | 2053 |
__ lea(oop_handle_reg, Address(rsp, klass_offset)); |
1 | 2054 |
// store the klass handle as second argument |
1066 | 2055 |
__ movptr(Address(rsp, wordSize), oop_handle_reg); |
1 | 2056 |
} |
2057 |
||
2058 |
// Change state to native (we save the return address in the thread, since it might not |
|
2059 |
// be pushed on the stack when we do a a stack traversal). It is enough that the pc() |
|
2060 |
// points into the right code segment. It does not have to be the correct return pc. |
|
2061 |
// We use the same pc/oopMap repeatedly when we call out |
|
2062 |
||
2063 |
intptr_t the_pc = (intptr_t) __ pc(); |
|
2064 |
oop_maps->add_gc_map(the_pc - start, map); |
|
2065 |
||
2066 |
__ set_last_Java_frame(thread, rsp, noreg, (address)the_pc); |
|
2067 |
||
2068 |
||
2069 |
// We have all of the arguments setup at this point. We must not touch any register |
|
2070 |
// argument registers at this point (what if we save/restore them there are no oop? |
|
2071 |
||
2072 |
{ |
|
2073 |
SkipIfEqual skip_if(masm, &DTraceMethodProbes, 0); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2074 |
__ mov_metadata(rax, method()); |
1 | 2075 |
__ call_VM_leaf( |
2076 |
CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry), |
|
2077 |
thread, rax); |
|
2078 |
} |
|
2079 |
||
2136
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1066
diff
changeset
|
2080 |
// RedefineClasses() tracing support for obsolete method entry |
38259
b495d1cfe673
8153535: Convert TraceRedefineClasses to Unified Logging
rehn
parents:
37439
diff
changeset
|
2081 |
if (log_is_enabled(Trace, redefine, class, obsolete)) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2082 |
__ mov_metadata(rax, method()); |
2136
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1066
diff
changeset
|
2083 |
__ call_VM_leaf( |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1066
diff
changeset
|
2084 |
CAST_FROM_FN_PTR(address, SharedRuntime::rc_trace_method_entry), |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1066
diff
changeset
|
2085 |
thread, rax); |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1066
diff
changeset
|
2086 |
} |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1066
diff
changeset
|
2087 |
|
1 | 2088 |
// These are register definitions we need for locking/unlocking |
2089 |
const Register swap_reg = rax; // Must use rax, for cmpxchg instruction |
|
2090 |
const Register obj_reg = rcx; // Will contain the oop |
|
2091 |
const Register lock_reg = rdx; // Address of compiler lock object (BasicLock) |
|
2092 |
||
2093 |
Label slow_path_lock; |
|
2094 |
Label lock_done; |
|
2095 |
||
2096 |
// Lock a synchronized method |
|
2097 |
if (method->is_synchronized()) { |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2098 |
assert(!is_critical_native, "unhandled"); |
1 | 2099 |
|
2100 |
||
2101 |
const int mark_word_offset = BasicLock::displaced_header_offset_in_bytes(); |
|
2102 |
||
2103 |
// Get the handle (the 2nd argument) |
|
1066 | 2104 |
__ movptr(oop_handle_reg, Address(rsp, wordSize)); |
1 | 2105 |
|
2106 |
// Get address of the box |
|
2107 |
||
1066 | 2108 |
__ lea(lock_reg, Address(rbp, lock_slot_rbp_offset)); |
1 | 2109 |
|
2110 |
// Load the oop from the handle |
|
1066 | 2111 |
__ movptr(obj_reg, Address(oop_handle_reg, 0)); |
1 | 2112 |
|
2113 |
if (UseBiasedLocking) { |
|
2114 |
// Note that oop_handle_reg is trashed during this call |
|
2115 |
__ biased_locking_enter(lock_reg, obj_reg, swap_reg, oop_handle_reg, false, lock_done, &slow_path_lock); |
|
2116 |
} |
|
2117 |
||
2118 |
// Load immediate 1 into swap_reg %rax, |
|
1066 | 2119 |
__ movptr(swap_reg, 1); |
1 | 2120 |
|
2121 |
// Load (object->mark() | 1) into swap_reg %rax, |
|
46449
7b2416f0f524
8167659: Access of mark word should use oopDesc::mark_offset_in_bytes() instead of '0'
rkennke
parents:
46440
diff
changeset
|
2122 |
__ orptr(swap_reg, Address(obj_reg, oopDesc::mark_offset_in_bytes())); |
1 | 2123 |
|
2124 |
// Save (object->mark() | 1) into BasicLock's displaced header |
|
1066 | 2125 |
__ movptr(Address(lock_reg, mark_word_offset), swap_reg); |
1 | 2126 |
|
2127 |
// src -> dest iff dest == rax, else rax, <- dest |
|
2128 |
// *obj_reg = lock_reg iff *obj_reg == rax, else rax, = *(obj_reg) |
|
51996
84743156e780
8188764: Obsolete AssumeMP and then remove all support for non-MP builds
dholmes
parents:
49642
diff
changeset
|
2129 |
__ lock(); |
46449
7b2416f0f524
8167659: Access of mark word should use oopDesc::mark_offset_in_bytes() instead of '0'
rkennke
parents:
46440
diff
changeset
|
2130 |
__ cmpxchgptr(lock_reg, Address(obj_reg, oopDesc::mark_offset_in_bytes())); |
1 | 2131 |
__ jcc(Assembler::equal, lock_done); |
2132 |
||
2133 |
// Test if the oopMark is an obvious stack pointer, i.e., |
|
2134 |
// 1) (mark & 3) == 0, and |
|
2135 |
// 2) rsp <= mark < mark + os::pagesize() |
|
2136 |
// These 3 tests can be done by evaluating the following |
|
2137 |
// expression: ((mark - rsp) & (3 - os::vm_page_size())), |
|
2138 |
// assuming both stack pointer and pagesize have their |
|
2139 |
// least significant 2 bits clear. |
|
2140 |
// NOTE: the oopMark is in swap_reg %rax, as the result of cmpxchg |
|
2141 |
||
1066 | 2142 |
__ subptr(swap_reg, rsp); |
2143 |
__ andptr(swap_reg, 3 - os::vm_page_size()); |
|
1 | 2144 |
|
2145 |
// Save the test result, for recursive case, the result is zero |
|
1066 | 2146 |
__ movptr(Address(lock_reg, mark_word_offset), swap_reg); |
1 | 2147 |
__ jcc(Assembler::notEqual, slow_path_lock); |
2148 |
// Slow path will re-enter here |
|
2149 |
__ bind(lock_done); |
|
2150 |
||
2151 |
if (UseBiasedLocking) { |
|
2152 |
// Re-fetch oop_handle_reg as we trashed it above |
|
1066 | 2153 |
__ movptr(oop_handle_reg, Address(rsp, wordSize)); |
1 | 2154 |
} |
2155 |
} |
|
2156 |
||
2157 |
||
2158 |
// Finally just about ready to make the JNI call |
|
2159 |
||
2160 |
||
2161 |
// get JNIEnv* which is first argument to native |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2162 |
if (!is_critical_native) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2163 |
__ lea(rdx, Address(thread, in_bytes(JavaThread::jni_environment_offset()))); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2164 |
__ movptr(Address(rsp, 0), rdx); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2165 |
} |
1 | 2166 |
|
2167 |
// Now set thread in native |
|
2168 |
__ movl(Address(thread, JavaThread::thread_state_offset()), _thread_in_native); |
|
2169 |
||
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2170 |
__ call(RuntimeAddress(native_func)); |
1 | 2171 |
|
16624
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
14626
diff
changeset
|
2172 |
// Verify or restore cpu control state after JNI call |
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
14626
diff
changeset
|
2173 |
__ restore_cpu_control_state_after_jni(); |
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
14626
diff
changeset
|
2174 |
|
1 | 2175 |
// WARNING - on Windows Java Natives use pascal calling convention and pop the |
2176 |
// arguments off of the stack. We could just re-adjust the stack pointer here |
|
2177 |
// and continue to do SP relative addressing but we instead switch to FP |
|
2178 |
// relative addressing. |
|
2179 |
||
2180 |
// Unpack native results. |
|
2181 |
switch (ret_type) { |
|
2182 |
case T_BOOLEAN: __ c2bool(rax); break; |
|
1066 | 2183 |
case T_CHAR : __ andptr(rax, 0xFFFF); break; |
1 | 2184 |
case T_BYTE : __ sign_extend_byte (rax); break; |
2185 |
case T_SHORT : __ sign_extend_short(rax); break; |
|
2186 |
case T_INT : /* nothing to do */ break; |
|
2187 |
case T_DOUBLE : |
|
2188 |
case T_FLOAT : |
|
2189 |
// Result is in st0 we'll save as needed |
|
2190 |
break; |
|
2191 |
case T_ARRAY: // Really a handle |
|
2192 |
case T_OBJECT: // Really a handle |
|
2193 |
break; // can't de-handlize until after safepoint check |
|
2194 |
case T_VOID: break; |
|
2195 |
case T_LONG: break; |
|
2196 |
default : ShouldNotReachHere(); |
|
2197 |
} |
|
2198 |
||
58641
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2199 |
// unpin pinned arguments |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2200 |
pinned_slot = oop_handle_offset; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2201 |
if (pinned_args.length() > 0) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2202 |
// save return value that may be overwritten otherwise. |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2203 |
save_native_result(masm, ret_type, stack_slots); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2204 |
for (int index = 0; index < pinned_args.length(); index ++) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2205 |
int i = pinned_args.at(index); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2206 |
assert(pinned_slot <= stack_slots, "overflow"); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2207 |
if (!in_regs[i].first()->is_stack()) { |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2208 |
int offset = pinned_slot * VMRegImpl::stack_slot_size; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2209 |
__ movl(in_regs[i].first()->as_Register(), Address(rsp, offset)); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2210 |
pinned_slot += VMRegImpl::slots_per_word; |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2211 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2212 |
// gen_pin_object handles save and restore |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2213 |
// of any other clobbered registers |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2214 |
gen_unpin_object(masm, thread, in_regs[i]); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2215 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2216 |
restore_native_result(masm, ret_type, stack_slots); |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2217 |
} |
55fe0d93bdd3
8229919: Support JNI Critical functions in object pinning API on x86_32 platforms
zgu
parents:
58554
diff
changeset
|
2218 |
|
1 | 2219 |
// Switch thread to "native transition" state before reading the synchronization state. |
2220 |
// This additional state is necessary because reading and testing the synchronization |
|
2221 |
// state is not atomic w.r.t. GC, as this scenario demonstrates: |
|
2222 |
// Java thread A, in _thread_in_native state, loads _not_synchronized and is preempted. |
|
2223 |
// VM thread changes sync state to synchronizing and suspends threads for GC. |
|
2224 |
// Thread A is resumed to finish this native method, but doesn't block here since it |
|
2225 |
// didn't see any synchronization is progress, and escapes. |
|
2226 |
__ movl(Address(thread, JavaThread::thread_state_offset()), _thread_in_native_trans); |
|
2227 |
||
52460 | 2228 |
// Force this write out before the read below |
2229 |
__ membar(Assembler::Membar_mask_bits( |
|
2230 |
Assembler::LoadLoad | Assembler::LoadStore | |
|
2231 |
Assembler::StoreLoad | Assembler::StoreStore)); |
|
1 | 2232 |
|
2233 |
if (AlwaysRestoreFPU) { |
|
2234 |
// Make sure the control word is correct. |
|
2235 |
__ fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_std())); |
|
2236 |
} |
|
2237 |
||
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2238 |
Label after_transition; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2239 |
|
1 | 2240 |
// check for safepoint operation in progress and/or pending suspend requests |
49027
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
2241 |
{ Label Continue, slow_path; |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
2242 |
|
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
2243 |
__ safepoint_poll(slow_path, thread, noreg); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
2244 |
|
1 | 2245 |
__ cmpl(Address(thread, JavaThread::suspend_flags_offset()), 0); |
2246 |
__ jcc(Assembler::equal, Continue); |
|
49027
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
2247 |
__ bind(slow_path); |
1 | 2248 |
|
2249 |
// Don't use call_VM as it will see a possible pending exception and forward it |
|
2250 |
// and never return here preventing us from clearing _last_native_pc down below. |
|
2251 |
// Also can't use call_VM_leaf either as it will check to see if rsi & rdi are |
|
2252 |
// preserved and correspond to the bcp/locals pointers. So we do a runtime call |
|
2253 |
// by hand. |
|
2254 |
// |
|
46440
61025eecb743
8178811: Minimize the AVX <-> SSE transition penalty through generation of vzeroupper instruction on x86
vdeshpande
parents:
44406
diff
changeset
|
2255 |
__ vzeroupper(); |
61025eecb743
8178811: Minimize the AVX <-> SSE transition penalty through generation of vzeroupper instruction on x86
vdeshpande
parents:
44406
diff
changeset
|
2256 |
|
1 | 2257 |
save_native_result(masm, ret_type, stack_slots); |
1066 | 2258 |
__ push(thread); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2259 |
if (!is_critical_native) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2260 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2261 |
JavaThread::check_special_condition_for_native_trans))); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2262 |
} else { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2263 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2264 |
JavaThread::check_special_condition_for_native_trans_and_transition))); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2265 |
} |
1 | 2266 |
__ increment(rsp, wordSize); |
2267 |
// Restore any method result value |
|
2268 |
restore_native_result(masm, ret_type, stack_slots); |
|
2269 |
||
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2270 |
if (is_critical_native) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2271 |
// The call above performed the transition to thread_in_Java so |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2272 |
// skip the transition logic below. |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2273 |
__ jmpb(after_transition); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2274 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2275 |
|
1 | 2276 |
__ bind(Continue); |
2277 |
} |
|
2278 |
||
2279 |
// change thread state |
|
2280 |
__ movl(Address(thread, JavaThread::thread_state_offset()), _thread_in_Java); |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2281 |
__ bind(after_transition); |
1 | 2282 |
|
2283 |
Label reguard; |
|
2284 |
Label reguard_done; |
|
35201
996db89f378e
8139864: Improve handling of stack protection zones.
goetz
parents:
34203
diff
changeset
|
2285 |
__ cmpl(Address(thread, JavaThread::stack_guard_state_offset()), JavaThread::stack_guard_yellow_reserved_disabled); |
1 | 2286 |
__ jcc(Assembler::equal, reguard); |
2287 |
||
2288 |
// slow path reguard re-enters here |
|
2289 |
__ bind(reguard_done); |
|
2290 |
||
2291 |
// Handle possible exception (will unlock if necessary) |
|
2292 |
||
2293 |
// native result if any is live |
|
2294 |
||
2295 |
// Unlock |
|
2296 |
Label slow_path_unlock; |
|
2297 |
Label unlock_done; |
|
2298 |
if (method->is_synchronized()) { |
|
2299 |
||
2300 |
Label done; |
|
2301 |
||
2302 |
// Get locked oop from the handle we passed to jni |
|
1066 | 2303 |
__ movptr(obj_reg, Address(oop_handle_reg, 0)); |
1 | 2304 |
|
2305 |
if (UseBiasedLocking) { |
|
2306 |
__ biased_locking_exit(obj_reg, rbx, done); |
|
2307 |
} |
|
2308 |
||
2309 |
// Simple recursive lock? |
|
2310 |
||
1066 | 2311 |
__ cmpptr(Address(rbp, lock_slot_rbp_offset), (int32_t)NULL_WORD); |
1 | 2312 |
__ jcc(Assembler::equal, done); |
2313 |
||
2314 |
// Must save rax, if if it is live now because cmpxchg must use it |
|
2315 |
if (ret_type != T_FLOAT && ret_type != T_DOUBLE && ret_type != T_VOID) { |
|
2316 |
save_native_result(masm, ret_type, stack_slots); |
|
2317 |
} |
|
2318 |
||
2319 |
// get old displaced header |
|
1066 | 2320 |
__ movptr(rbx, Address(rbp, lock_slot_rbp_offset)); |
1 | 2321 |
|
2322 |
// get address of the stack lock |
|
1066 | 2323 |
__ lea(rax, Address(rbp, lock_slot_rbp_offset)); |
1 | 2324 |
|
2325 |
// Atomic swap old header if oop still contains the stack lock |
|
2326 |
// src -> dest iff dest == rax, else rax, <- dest |
|
2327 |
// *obj_reg = rbx, iff *obj_reg == rax, else rax, = *(obj_reg) |
|
51996
84743156e780
8188764: Obsolete AssumeMP and then remove all support for non-MP builds
dholmes
parents:
49642
diff
changeset
|
2328 |
__ lock(); |
46449
7b2416f0f524
8167659: Access of mark word should use oopDesc::mark_offset_in_bytes() instead of '0'
rkennke
parents:
46440
diff
changeset
|
2329 |
__ cmpxchgptr(rbx, Address(obj_reg, oopDesc::mark_offset_in_bytes())); |
1 | 2330 |
__ jcc(Assembler::notEqual, slow_path_unlock); |
2331 |
||
2332 |
// slow path re-enters here |
|
2333 |
__ bind(unlock_done); |
|
2334 |
if (ret_type != T_FLOAT && ret_type != T_DOUBLE && ret_type != T_VOID) { |
|
2335 |
restore_native_result(masm, ret_type, stack_slots); |
|
2336 |
} |
|
2337 |
||
2338 |
__ bind(done); |
|
2339 |
||
2340 |
} |
|
2341 |
||
2342 |
{ |
|
2343 |
SkipIfEqual skip_if(masm, &DTraceMethodProbes, 0); |
|
2344 |
// Tell dtrace about this method exit |
|
2345 |
save_native_result(masm, ret_type, stack_slots); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2346 |
__ mov_metadata(rax, method()); |
1 | 2347 |
__ call_VM_leaf( |
2348 |
CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit), |
|
2349 |
thread, rax); |
|
2350 |
restore_native_result(masm, ret_type, stack_slots); |
|
2351 |
} |
|
2352 |
||
2353 |
// We can finally stop using that last_Java_frame we setup ages ago |
|
2354 |
||
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
38259
diff
changeset
|
2355 |
__ reset_last_Java_frame(thread, false); |
1 | 2356 |
|
44406
a46a6c4d1dd9
8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
mgerdin
parents:
44093
diff
changeset
|
2357 |
// Unbox oop result, e.g. JNIHandles::resolve value. |
58273
08a5148e7c4e
8230505: Replace JVM type comparisons to T_OBJECT and T_ARRAY with call to is_reference_type
lfoltan
parents:
57710
diff
changeset
|
2358 |
if (is_reference_type(ret_type)) { |
44406
a46a6c4d1dd9
8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
mgerdin
parents:
44093
diff
changeset
|
2359 |
__ resolve_jobject(rax /* value */, |
a46a6c4d1dd9
8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
mgerdin
parents:
44093
diff
changeset
|
2360 |
thread /* thread */, |
a46a6c4d1dd9
8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
mgerdin
parents:
44093
diff
changeset
|
2361 |
rcx /* tmp */); |
1 | 2362 |
} |
2363 |
||
41084
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
2364 |
if (CheckJNICalls) { |
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
2365 |
// clear_pending_jni_exception_check |
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
2366 |
__ movptr(Address(thread, JavaThread::pending_jni_exception_check_fn_offset()), NULL_WORD); |
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
2367 |
} |
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
2368 |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2369 |
if (!is_critical_native) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2370 |
// reset handle block |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2371 |
__ movptr(rcx, Address(thread, JavaThread::active_handles_offset())); |
23844
0c29a324ae14
8039146: Fix 64-bit store to int JNIHandleBlock::_top
goetz
parents:
23491
diff
changeset
|
2372 |
__ movl(Address(rcx, JNIHandleBlock::top_offset_in_bytes()), NULL_WORD); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2373 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2374 |
// Any exception pending? |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2375 |
__ cmpptr(Address(thread, in_bytes(Thread::pending_exception_offset())), (int32_t)NULL_WORD); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2376 |
__ jcc(Assembler::notEqual, exception_pending); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2377 |
} |
1 | 2378 |
|
2379 |
// no exception, we're almost done |
|
2380 |
||
2381 |
// check that only result value is on FPU stack |
|
2382 |
__ verify_FPU(ret_type == T_FLOAT || ret_type == T_DOUBLE ? 1 : 0, "native_wrapper normal exit"); |
|
2383 |
||
2384 |
// Fixup floating pointer results so that result looks like a return from a compiled method |
|
2385 |
if (ret_type == T_FLOAT) { |
|
2386 |
if (UseSSE >= 1) { |
|
2387 |
// Pop st0 and store as float and reload into xmm register |
|
2388 |
__ fstp_s(Address(rbp, -4)); |
|
2389 |
__ movflt(xmm0, Address(rbp, -4)); |
|
2390 |
} |
|
2391 |
} else if (ret_type == T_DOUBLE) { |
|
2392 |
if (UseSSE >= 2) { |
|
2393 |
// Pop st0 and store as double and reload into xmm register |
|
2394 |
__ fstp_d(Address(rbp, -8)); |
|
2395 |
__ movdbl(xmm0, Address(rbp, -8)); |
|
2396 |
} |
|
2397 |
} |
|
2398 |
||
2399 |
// Return |
|
2400 |
||
2401 |
__ leave(); |
|
2402 |
__ ret(0); |
|
2403 |
||
2404 |
// Unexpected paths are out of line and go here |
|
2405 |
||
2406 |
// Slow path locking & unlocking |
|
2407 |
if (method->is_synchronized()) { |
|
2408 |
||
2409 |
// BEGIN Slow path lock |
|
2410 |
||
2411 |
__ bind(slow_path_lock); |
|
2412 |
||
2413 |
// has last_Java_frame setup. No exceptions so do vanilla call not call_VM |
|
2414 |
// args are (oop obj, BasicLock* lock, JavaThread* thread) |
|
1066 | 2415 |
__ push(thread); |
2416 |
__ push(lock_reg); |
|
2417 |
__ push(obj_reg); |
|
1 | 2418 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::complete_monitor_locking_C))); |
1066 | 2419 |
__ addptr(rsp, 3*wordSize); |
1 | 2420 |
|
2421 |
#ifdef ASSERT |
|
2422 |
{ Label L; |
|
1066 | 2423 |
__ cmpptr(Address(thread, in_bytes(Thread::pending_exception_offset())), (int)NULL_WORD); |
1 | 2424 |
__ jcc(Assembler::equal, L); |
2425 |
__ stop("no pending exception allowed on exit from monitorenter"); |
|
2426 |
__ bind(L); |
|
2427 |
} |
|
2428 |
#endif |
|
2429 |
__ jmp(lock_done); |
|
2430 |
||
2431 |
// END Slow path lock |
|
2432 |
||
2433 |
// BEGIN Slow path unlock |
|
2434 |
__ bind(slow_path_unlock); |
|
46440
61025eecb743
8178811: Minimize the AVX <-> SSE transition penalty through generation of vzeroupper instruction on x86
vdeshpande
parents:
44406
diff
changeset
|
2435 |
__ vzeroupper(); |
1 | 2436 |
// Slow path unlock |
2437 |
||
2438 |
if (ret_type == T_FLOAT || ret_type == T_DOUBLE ) { |
|
2439 |
save_native_result(masm, ret_type, stack_slots); |
|
2440 |
} |
|
2441 |
// Save pending exception around call to VM (which contains an EXCEPTION_MARK) |
|
2442 |
||
1066 | 2443 |
__ pushptr(Address(thread, in_bytes(Thread::pending_exception_offset()))); |
1888
bbf498fb4354
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
1066
diff
changeset
|
2444 |
__ movptr(Address(thread, in_bytes(Thread::pending_exception_offset())), NULL_WORD); |
1 | 2445 |
|
2446 |
||
2447 |
// should be a peal |
|
2448 |
// +wordSize because of the push above |
|
30244 | 2449 |
// args are (oop obj, BasicLock* lock, JavaThread* thread) |
2450 |
__ push(thread); |
|
1066 | 2451 |
__ lea(rax, Address(rbp, lock_slot_rbp_offset)); |
2452 |
__ push(rax); |
|
2453 |
||
2454 |
__ push(obj_reg); |
|
1 | 2455 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::complete_monitor_unlocking_C))); |
30244 | 2456 |
__ addptr(rsp, 3*wordSize); |
1 | 2457 |
#ifdef ASSERT |
2458 |
{ |
|
2459 |
Label L; |
|
1066 | 2460 |
__ cmpptr(Address(thread, in_bytes(Thread::pending_exception_offset())), (int32_t)NULL_WORD); |
1 | 2461 |
__ jcc(Assembler::equal, L); |
2462 |
__ stop("no pending exception allowed on exit complete_monitor_unlocking_C"); |
|
2463 |
__ bind(L); |
|
2464 |
} |
|
2465 |
#endif /* ASSERT */ |
|
2466 |
||
1066 | 2467 |
__ popptr(Address(thread, in_bytes(Thread::pending_exception_offset()))); |
1 | 2468 |
|
2469 |
if (ret_type == T_FLOAT || ret_type == T_DOUBLE ) { |
|
2470 |
restore_native_result(masm, ret_type, stack_slots); |
|
2471 |
} |
|
2472 |
__ jmp(unlock_done); |
|
2473 |
// END Slow path unlock |
|
2474 |
||
2475 |
} |
|
2476 |
||
2477 |
// SLOW PATH Reguard the stack if needed |
|
2478 |
||
2479 |
__ bind(reguard); |
|
46440
61025eecb743
8178811: Minimize the AVX <-> SSE transition penalty through generation of vzeroupper instruction on x86
vdeshpande
parents:
44406
diff
changeset
|
2480 |
__ vzeroupper(); |
1 | 2481 |
save_native_result(masm, ret_type, stack_slots); |
2482 |
{ |
|
2483 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
|
2484 |
} |
|
2485 |
restore_native_result(masm, ret_type, stack_slots); |
|
2486 |
__ jmp(reguard_done); |
|
2487 |
||
2488 |
||
2489 |
// BEGIN EXCEPTION PROCESSING |
|
2490 |
||
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2491 |
if (!is_critical_native) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2492 |
// Forward the exception |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2493 |
__ bind(exception_pending); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2494 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2495 |
// remove possible return value from FPU register stack |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2496 |
__ empty_FPU_stack(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2497 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2498 |
// pop our frame |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2499 |
__ leave(); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2500 |
// and forward the exception |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2501 |
__ jump(RuntimeAddress(StubRoutines::forward_exception_entry())); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2502 |
} |
1 | 2503 |
|
2504 |
__ flush(); |
|
2505 |
||
2506 |
nmethod *nm = nmethod::new_native_nmethod(method, |
|
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8315
diff
changeset
|
2507 |
compile_id, |
1 | 2508 |
masm->code(), |
2509 |
vep_offset, |
|
2510 |
frame_complete, |
|
2511 |
stack_slots / VMRegImpl::slots_per_word, |
|
2512 |
(is_static ? in_ByteSize(klass_offset) : in_ByteSize(receiver_offset)), |
|
2513 |
in_ByteSize(lock_slot_offset*VMRegImpl::stack_slot_size), |
|
2514 |
oop_maps); |
|
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2515 |
|
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2516 |
if (is_critical_native) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2517 |
nm->set_lazy_critical_native(true); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2518 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
10539
diff
changeset
|
2519 |
|
1 | 2520 |
return nm; |
2521 |
||
2522 |
} |
|
2523 |
||
2524 |
// this function returns the adjust size (in number of words) to a c2i adapter |
|
2525 |
// activation for use during deoptimization |
|
2526 |
int Deoptimization::last_frame_adjust(int callee_parameters, int callee_locals ) { |
|
5419 | 2527 |
return (callee_locals - callee_parameters) * Interpreter::stackElementWords; |
1 | 2528 |
} |
2529 |
||
2530 |
||
2531 |
uint SharedRuntime::out_preserve_stack_slots() { |
|
2532 |
return 0; |
|
2533 |
} |
|
2534 |
||
2535 |
//------------------------------generate_deopt_blob---------------------------- |
|
2536 |
void SharedRuntime::generate_deopt_blob() { |
|
2537 |
// allocate space for the code |
|
2538 |
ResourceMark rm; |
|
2539 |
// setup code generation tools |
|
31786
eb497c0e1ddc
8079156: [TESTBUG] 32 bit Java 9-fastdebug hit assertion in client mode with StackShadowPages flag value from 32 to 50.
gziemski
parents:
30624
diff
changeset
|
2540 |
// note: the buffer code size must account for StackShadowPages=50 |
eb497c0e1ddc
8079156: [TESTBUG] 32 bit Java 9-fastdebug hit assertion in client mode with StackShadowPages flag value from 32 to 50.
gziemski
parents:
30624
diff
changeset
|
2541 |
CodeBuffer buffer("deopt_blob", 1536, 1024); |
1 | 2542 |
MacroAssembler* masm = new MacroAssembler(&buffer); |
2543 |
int frame_size_in_words; |
|
2544 |
OopMap* map = NULL; |
|
2545 |
// Account for the extra args we place on the stack |
|
2546 |
// by the time we call fetch_unroll_info |
|
2547 |
const int additional_words = 2; // deopt kind, thread |
|
2548 |
||
2549 |
OopMapSet *oop_maps = new OopMapSet(); |
|
2550 |
||
2551 |
// ------------- |
|
2552 |
// This code enters when returning to a de-optimized nmethod. A return |
|
2553 |
// address has been pushed on the the stack, and return values are in |
|
2554 |
// registers. |
|
2555 |
// If we are doing a normal deopt then we were called from the patched |
|
2556 |
// nmethod from the point we returned to the nmethod. So the return |
|
2557 |
// address on the stack is wrong by NativeCall::instruction_size |
|
2558 |
// We will adjust the value to it looks like we have the original return |
|
2559 |
// address on the stack (like when we eagerly deoptimized). |
|
2560 |
// In the case of an exception pending with deoptimized then we enter |
|
2561 |
// with a return address on the stack that points after the call we patched |
|
2562 |
// into the exception handler. We have the following register state: |
|
2563 |
// rax,: exception |
|
2564 |
// rbx,: exception handler |
|
2565 |
// rdx: throwing pc |
|
2566 |
// So in this case we simply jam rdx into the useless return address and |
|
2567 |
// the stack looks just like we want. |
|
2568 |
// |
|
2569 |
// At this point we need to de-opt. We save the argument return |
|
2570 |
// registers. We call the first C routine, fetch_unroll_info(). This |
|
2571 |
// routine captures the return values and returns a structure which |
|
2572 |
// describes the current frame size and the sizes of all replacement frames. |
|
2573 |
// The current frame is compiled code and may contain many inlined |
|
2574 |
// functions, each with their own JVM state. We pop the current frame, then |
|
2575 |
// push all the new frames. Then we call the C routine unpack_frames() to |
|
2576 |
// populate these frames. Finally unpack_frames() returns us the new target |
|
2577 |
// address. Notice that callee-save registers are BLOWN here; they have |
|
2578 |
// already been captured in the vframeArray at the time the return PC was |
|
2579 |
// patched. |
|
2580 |
address start = __ pc(); |
|
2581 |
Label cont; |
|
2582 |
||
2583 |
// Prolog for non exception case! |
|
2584 |
||
2585 |
// Save everything in sight. |
|
2586 |
||
3681
8565da02ec7a
6829127: Deoptimization Failure on Specjvm98 _227_mtrt with -XX:+DeoptimizeALot since Hs11 b01
cfang
parents:
2154
diff
changeset
|
2587 |
map = RegisterSaver::save_live_registers(masm, additional_words, &frame_size_in_words, false); |
1 | 2588 |
// Normal deoptimization |
1066 | 2589 |
__ push(Deoptimization::Unpack_deopt); |
1 | 2590 |
__ jmp(cont); |
2591 |
||
2592 |
int reexecute_offset = __ pc() - start; |
|
2593 |
||
2594 |
// Reexecute case |
|
2595 |
// return address is the pc describes what bci to do re-execute at |
|
2596 |
||
2597 |
// No need to update map as each call to save_live_registers will produce identical oopmap |
|
3681
8565da02ec7a
6829127: Deoptimization Failure on Specjvm98 _227_mtrt with -XX:+DeoptimizeALot since Hs11 b01
cfang
parents:
2154
diff
changeset
|
2598 |
(void) RegisterSaver::save_live_registers(masm, additional_words, &frame_size_in_words, false); |
1 | 2599 |
|
1066 | 2600 |
__ push(Deoptimization::Unpack_reexecute); |
1 | 2601 |
__ jmp(cont); |
2602 |
||
2603 |
int exception_offset = __ pc() - start; |
|
2604 |
||
2605 |
// Prolog for exception case |
|
2606 |
||
2607 |
// all registers are dead at this entry point, except for rax, and |
|
2608 |
// rdx which contain the exception oop and exception pc |
|
2609 |
// respectively. Set them in TLS and fall thru to the |
|
2610 |
// unpack_with_exception_in_tls entry point. |
|
2611 |
||
2612 |
__ get_thread(rdi); |
|
1066 | 2613 |
__ movptr(Address(rdi, JavaThread::exception_pc_offset()), rdx); |
2614 |
__ movptr(Address(rdi, JavaThread::exception_oop_offset()), rax); |
|
1 | 2615 |
|
2616 |
int exception_in_tls_offset = __ pc() - start; |
|
2617 |
||
2618 |
// new implementation because exception oop is now passed in JavaThread |
|
2619 |
||
2620 |
// Prolog for exception case |
|
2621 |
// All registers must be preserved because they might be used by LinearScan |
|
2622 |
// Exceptiop oop and throwing PC are passed in JavaThread |
|
2623 |
// tos: stack at point of call to method that threw the exception (i.e. only |
|
2624 |
// args are on the stack, no return address) |
|
2625 |
||
2626 |
// make room on stack for the return address |
|
2627 |
// It will be patched later with the throwing pc. The correct value is not |
|
2628 |
// available now because loading it from memory would destroy registers. |
|
1066 | 2629 |
__ push(0); |
1 | 2630 |
|
2631 |
// Save everything in sight. |
|
2632 |
||
2633 |
// No need to update map as each call to save_live_registers will produce identical oopmap |
|
3681
8565da02ec7a
6829127: Deoptimization Failure on Specjvm98 _227_mtrt with -XX:+DeoptimizeALot since Hs11 b01
cfang
parents:
2154
diff
changeset
|
2634 |
(void) RegisterSaver::save_live_registers(masm, additional_words, &frame_size_in_words, false); |
1 | 2635 |
|
2636 |
// Now it is safe to overwrite any register |
|
2637 |
||
2638 |
// store the correct deoptimization type |
|
1066 | 2639 |
__ push(Deoptimization::Unpack_exception); |
1 | 2640 |
|
2641 |
// load throwing pc from JavaThread and patch it as the return address |
|
2642 |
// of the current frame. Then clear the field in JavaThread |
|
2643 |
__ get_thread(rdi); |
|
1066 | 2644 |
__ movptr(rdx, Address(rdi, JavaThread::exception_pc_offset())); |
2645 |
__ movptr(Address(rbp, wordSize), rdx); |
|
1888
bbf498fb4354
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
1066
diff
changeset
|
2646 |
__ movptr(Address(rdi, JavaThread::exception_pc_offset()), NULL_WORD); |
1 | 2647 |
|
2648 |
#ifdef ASSERT |
|
2649 |
// verify that there is really an exception oop in JavaThread |
|
1066 | 2650 |
__ movptr(rax, Address(rdi, JavaThread::exception_oop_offset())); |
1 | 2651 |
__ verify_oop(rax); |
2652 |
||
2653 |
// verify that there is no pending exception |
|
2654 |
Label no_pending_exception; |
|
1066 | 2655 |
__ movptr(rax, Address(rdi, Thread::pending_exception_offset())); |
2656 |
__ testptr(rax, rax); |
|
1 | 2657 |
__ jcc(Assembler::zero, no_pending_exception); |
2658 |
__ stop("must not have pending exception here"); |
|
2659 |
__ bind(no_pending_exception); |
|
2660 |
#endif |
|
2661 |
||
2662 |
__ bind(cont); |
|
2663 |
||
2664 |
// Compiled code leaves the floating point stack dirty, empty it. |
|
2665 |
__ empty_FPU_stack(); |
|
2666 |
||
2667 |
||
2668 |
// Call C code. Need thread and this frame, but NOT official VM entry |
|
2669 |
// crud. We cannot block on this call, no GC can happen. |
|
2670 |
__ get_thread(rcx); |
|
1066 | 2671 |
__ push(rcx); |
1 | 2672 |
// fetch_unroll_info needs to call last_java_frame() |
2673 |
__ set_last_Java_frame(rcx, noreg, noreg, NULL); |
|
2674 |
||
2675 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::fetch_unroll_info))); |
|
2676 |
||
2677 |
// Need to have an oopmap that tells fetch_unroll_info where to |
|
2678 |
// find any register it might need. |
|
2679 |
||
2680 |
oop_maps->add_gc_map( __ pc()-start, map); |
|
2681 |
||
34173
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2682 |
// Discard args to fetch_unroll_info |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2683 |
__ pop(rcx); |
1066 | 2684 |
__ pop(rcx); |
1 | 2685 |
|
2686 |
__ get_thread(rcx); |
|
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
38259
diff
changeset
|
2687 |
__ reset_last_Java_frame(rcx, false); |
1 | 2688 |
|
2689 |
// Load UnrollBlock into EDI |
|
1066 | 2690 |
__ mov(rdi, rax); |
1 | 2691 |
|
2692 |
// Move the unpack kind to a safe place in the UnrollBlock because |
|
2693 |
// we are very short of registers |
|
2694 |
||
2695 |
Address unpack_kind(rdi, Deoptimization::UnrollBlock::unpack_kind_offset_in_bytes()); |
|
34173
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2696 |
// retrieve the deopt kind from the UnrollBlock. |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2697 |
__ movl(rax, unpack_kind); |
1 | 2698 |
|
2699 |
Label noException; |
|
2700 |
__ cmpl(rax, Deoptimization::Unpack_exception); // Was exception pending? |
|
2701 |
__ jcc(Assembler::notEqual, noException); |
|
1066 | 2702 |
__ movptr(rax, Address(rcx, JavaThread::exception_oop_offset())); |
2703 |
__ movptr(rdx, Address(rcx, JavaThread::exception_pc_offset())); |
|
1888
bbf498fb4354
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
1066
diff
changeset
|
2704 |
__ movptr(Address(rcx, JavaThread::exception_oop_offset()), NULL_WORD); |
bbf498fb4354
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
1066
diff
changeset
|
2705 |
__ movptr(Address(rcx, JavaThread::exception_pc_offset()), NULL_WORD); |
1 | 2706 |
|
2707 |
__ verify_oop(rax); |
|
2708 |
||
2709 |
// Overwrite the result registers with the exception results. |
|
1066 | 2710 |
__ movptr(Address(rsp, RegisterSaver::raxOffset()*wordSize), rax); |
2711 |
__ movptr(Address(rsp, RegisterSaver::rdxOffset()*wordSize), rdx); |
|
1 | 2712 |
|
2713 |
__ bind(noException); |
|
2714 |
||
2715 |
// Stack is back to only having register save data on the stack. |
|
2716 |
// Now restore the result registers. Everything else is either dead or captured |
|
2717 |
// in the vframeArray. |
|
2718 |
||
2719 |
RegisterSaver::restore_result_registers(masm); |
|
2720 |
||
3681
8565da02ec7a
6829127: Deoptimization Failure on Specjvm98 _227_mtrt with -XX:+DeoptimizeALot since Hs11 b01
cfang
parents:
2154
diff
changeset
|
2721 |
// Non standard control word may be leaked out through a safepoint blob, and we can |
8565da02ec7a
6829127: Deoptimization Failure on Specjvm98 _227_mtrt with -XX:+DeoptimizeALot since Hs11 b01
cfang
parents:
2154
diff
changeset
|
2722 |
// deopt at a poll point with the non standard control word. However, we should make |
8565da02ec7a
6829127: Deoptimization Failure on Specjvm98 _227_mtrt with -XX:+DeoptimizeALot since Hs11 b01
cfang
parents:
2154
diff
changeset
|
2723 |
// sure the control word is correct after restore_result_registers. |
8565da02ec7a
6829127: Deoptimization Failure on Specjvm98 _227_mtrt with -XX:+DeoptimizeALot since Hs11 b01
cfang
parents:
2154
diff
changeset
|
2724 |
__ fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_std())); |
8565da02ec7a
6829127: Deoptimization Failure on Specjvm98 _227_mtrt with -XX:+DeoptimizeALot since Hs11 b01
cfang
parents:
2154
diff
changeset
|
2725 |
|
1 | 2726 |
// All of the register save area has been popped of the stack. Only the |
2727 |
// return address remains. |
|
2728 |
||
2729 |
// Pop all the frames we must move/replace. |
|
2730 |
// |
|
2731 |
// Frame picture (youngest to oldest) |
|
2732 |
// 1: self-frame (no frame link) |
|
2733 |
// 2: deopting frame (no frame link) |
|
2734 |
// 3: caller of deopting frame (could be compiled/interpreted). |
|
2735 |
// |
|
2736 |
// Note: by leaving the return address of self-frame on the stack |
|
2737 |
// and using the size of frame 2 to adjust the stack |
|
2738 |
// when we are done the return to frame 3 will still be on the stack. |
|
2739 |
||
2740 |
// Pop deoptimized frame |
|
1066 | 2741 |
__ addptr(rsp, Address(rdi,Deoptimization::UnrollBlock::size_of_deoptimized_frame_offset_in_bytes())); |
1 | 2742 |
|
2743 |
// sp should be pointing at the return address to the caller (3) |
|
2744 |
||
21728
0c36ed5f52f5
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
16624
diff
changeset
|
2745 |
// Pick up the initial fp we should save |
0c36ed5f52f5
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
16624
diff
changeset
|
2746 |
// restore rbp before stack bang because if stack overflow is thrown it needs to be pushed (and preserved) |
0c36ed5f52f5
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
16624
diff
changeset
|
2747 |
__ movptr(rbp, Address(rdi, Deoptimization::UnrollBlock::initial_info_offset_in_bytes())); |
0c36ed5f52f5
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
16624
diff
changeset
|
2748 |
|
24018
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2749 |
#ifdef ASSERT |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2750 |
// Compilers generate code that bang the stack by as much as the |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2751 |
// interpreter would need. So this stack banging should never |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2752 |
// trigger a fault. Verify that it does not on non product builds. |
1 | 2753 |
if (UseStackBanging) { |
2754 |
__ movl(rbx, Address(rdi ,Deoptimization::UnrollBlock::total_frame_sizes_offset_in_bytes())); |
|
2755 |
__ bang_stack_size(rbx, rcx); |
|
2756 |
} |
|
24018
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2757 |
#endif |
1 | 2758 |
|
2759 |
// Load array of frame pcs into ECX |
|
1066 | 2760 |
__ movptr(rcx,Address(rdi,Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes())); |
2761 |
||
2762 |
__ pop(rsi); // trash the old pc |
|
1 | 2763 |
|
2764 |
// Load array of frame sizes into ESI |
|
1066 | 2765 |
__ movptr(rsi,Address(rdi,Deoptimization::UnrollBlock::frame_sizes_offset_in_bytes())); |
1 | 2766 |
|
2767 |
Address counter(rdi, Deoptimization::UnrollBlock::counter_temp_offset_in_bytes()); |
|
2768 |
||
2769 |
__ movl(rbx, Address(rdi, Deoptimization::UnrollBlock::number_of_frames_offset_in_bytes())); |
|
2770 |
__ movl(counter, rbx); |
|
2771 |
||
2772 |
// Now adjust the caller's stack to make up for the extra locals |
|
2773 |
// but record the original sp so that we can save it in the skeletal interpreter |
|
2774 |
// frame and the stack walking of interpreter_sender will get the unextended sp |
|
2775 |
// value and not the "real" sp value. |
|
2776 |
||
2777 |
Address sp_temp(rdi, Deoptimization::UnrollBlock::sender_sp_temp_offset_in_bytes()); |
|
1066 | 2778 |
__ movptr(sp_temp, rsp); |
2779 |
__ movl2ptr(rbx, Address(rdi, Deoptimization::UnrollBlock::caller_adjustment_offset_in_bytes())); |
|
2780 |
__ subptr(rsp, rbx); |
|
1 | 2781 |
|
2782 |
// Push interpreter frames in a loop |
|
2783 |
Label loop; |
|
2784 |
__ bind(loop); |
|
1066 | 2785 |
__ movptr(rbx, Address(rsi, 0)); // Load frame size |
2786 |
__ subptr(rbx, 2*wordSize); // we'll push pc and rbp, by hand |
|
2787 |
__ pushptr(Address(rcx, 0)); // save return address |
|
1 | 2788 |
__ enter(); // save old & set new rbp, |
1066 | 2789 |
__ subptr(rsp, rbx); // Prolog! |
2790 |
__ movptr(rbx, sp_temp); // sender's sp |
|
1 | 2791 |
// This value is corrected by layout_activation_impl |
1888
bbf498fb4354
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
1066
diff
changeset
|
2792 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); |
1066 | 2793 |
__ movptr(Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize), rbx); // Make it walkable |
2794 |
__ movptr(sp_temp, rsp); // pass to next frame |
|
2795 |
__ addptr(rsi, wordSize); // Bump array pointer (sizes) |
|
2796 |
__ addptr(rcx, wordSize); // Bump array pointer (pcs) |
|
2797 |
__ decrementl(counter); // decrement counter |
|
1 | 2798 |
__ jcc(Assembler::notZero, loop); |
1066 | 2799 |
__ pushptr(Address(rcx, 0)); // save final return address |
1 | 2800 |
|
2801 |
// Re-push self-frame |
|
2802 |
__ enter(); // save old & set new rbp, |
|
2803 |
||
2804 |
// Return address and rbp, are in place |
|
2805 |
// We'll push additional args later. Just allocate a full sized |
|
2806 |
// register save area |
|
1066 | 2807 |
__ subptr(rsp, (frame_size_in_words-additional_words - 2) * wordSize); |
1 | 2808 |
|
2809 |
// Restore frame locals after moving the frame |
|
1066 | 2810 |
__ movptr(Address(rsp, RegisterSaver::raxOffset()*wordSize), rax); |
2811 |
__ movptr(Address(rsp, RegisterSaver::rdxOffset()*wordSize), rdx); |
|
1 | 2812 |
__ fstp_d(Address(rsp, RegisterSaver::fpResultOffset()*wordSize)); // Pop float stack and store in local |
2813 |
if( UseSSE>=2 ) __ movdbl(Address(rsp, RegisterSaver::xmm0Offset()*wordSize), xmm0); |
|
2814 |
if( UseSSE==1 ) __ movflt(Address(rsp, RegisterSaver::xmm0Offset()*wordSize), xmm0); |
|
2815 |
||
2816 |
// Set up the args to unpack_frame |
|
2817 |
||
2818 |
__ pushl(unpack_kind); // get the unpack_kind value |
|
2819 |
__ get_thread(rcx); |
|
1066 | 2820 |
__ push(rcx); |
1 | 2821 |
|
2822 |
// set last_Java_sp, last_Java_fp |
|
2823 |
__ set_last_Java_frame(rcx, noreg, rbp, NULL); |
|
2824 |
||
2825 |
// Call C code. Need thread but NOT official VM entry |
|
2826 |
// crud. We cannot block on this call, no GC can happen. Call should |
|
2827 |
// restore return values to their stack-slots with the new SP. |
|
2828 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::unpack_frames))); |
|
2829 |
// Set an oopmap for the call site |
|
2830 |
oop_maps->add_gc_map( __ pc()-start, new OopMap( frame_size_in_words, 0 )); |
|
2831 |
||
2832 |
// rax, contains the return result type |
|
1066 | 2833 |
__ push(rax); |
1 | 2834 |
|
2835 |
__ get_thread(rcx); |
|
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
38259
diff
changeset
|
2836 |
__ reset_last_Java_frame(rcx, false); |
1 | 2837 |
|
2838 |
// Collect return values |
|
1066 | 2839 |
__ movptr(rax,Address(rsp, (RegisterSaver::raxOffset() + additional_words + 1)*wordSize)); |
2840 |
__ movptr(rdx,Address(rsp, (RegisterSaver::rdxOffset() + additional_words + 1)*wordSize)); |
|
1 | 2841 |
|
2842 |
// Clear floating point stack before returning to interpreter |
|
2843 |
__ empty_FPU_stack(); |
|
2844 |
||
2845 |
// Check if we should push the float or double return value. |
|
2846 |
Label results_done, yes_double_value; |
|
2847 |
__ cmpl(Address(rsp, 0), T_DOUBLE); |
|
2848 |
__ jcc (Assembler::zero, yes_double_value); |
|
2849 |
__ cmpl(Address(rsp, 0), T_FLOAT); |
|
2850 |
__ jcc (Assembler::notZero, results_done); |
|
2851 |
||
2852 |
// return float value as expected by interpreter |
|
2853 |
if( UseSSE>=1 ) __ movflt(xmm0, Address(rsp, (RegisterSaver::xmm0Offset() + additional_words + 1)*wordSize)); |
|
2854 |
else __ fld_d(Address(rsp, (RegisterSaver::fpResultOffset() + additional_words + 1)*wordSize)); |
|
2855 |
__ jmp(results_done); |
|
2856 |
||
2857 |
// return double value as expected by interpreter |
|
2858 |
__ bind(yes_double_value); |
|
2859 |
if( UseSSE>=2 ) __ movdbl(xmm0, Address(rsp, (RegisterSaver::xmm0Offset() + additional_words + 1)*wordSize)); |
|
2860 |
else __ fld_d(Address(rsp, (RegisterSaver::fpResultOffset() + additional_words + 1)*wordSize)); |
|
2861 |
||
2862 |
__ bind(results_done); |
|
2863 |
||
2864 |
// Pop self-frame. |
|
2865 |
__ leave(); // Epilog! |
|
2866 |
||
2867 |
// Jump to interpreter |
|
2868 |
__ ret(0); |
|
2869 |
||
2870 |
// ------------- |
|
2871 |
// make sure all code is generated |
|
2872 |
masm->flush(); |
|
2873 |
||
2874 |
_deopt_blob = DeoptimizationBlob::create( &buffer, oop_maps, 0, exception_offset, reexecute_offset, frame_size_in_words); |
|
2875 |
_deopt_blob->set_unpack_with_exception_in_tls_offset(exception_in_tls_offset); |
|
2876 |
} |
|
2877 |
||
2878 |
||
2879 |
#ifdef COMPILER2 |
|
2880 |
//------------------------------generate_uncommon_trap_blob-------------------- |
|
2881 |
void SharedRuntime::generate_uncommon_trap_blob() { |
|
2882 |
// allocate space for the code |
|
2883 |
ResourceMark rm; |
|
2884 |
// setup code generation tools |
|
2885 |
CodeBuffer buffer("uncommon_trap_blob", 512, 512); |
|
2886 |
MacroAssembler* masm = new MacroAssembler(&buffer); |
|
2887 |
||
2888 |
enum frame_layout { |
|
2889 |
arg0_off, // thread sp + 0 // Arg location for |
|
2890 |
arg1_off, // unloaded_class_index sp + 1 // calling C |
|
34173
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2891 |
arg2_off, // exec_mode sp + 2 |
1 | 2892 |
// The frame sender code expects that rbp will be in the "natural" place and |
2893 |
// will override any oopMap setting for it. We must therefore force the layout |
|
2894 |
// so that it agrees with the frame sender code. |
|
34173
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2895 |
rbp_off, // callee saved register sp + 3 |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2896 |
return_off, // slot for return address sp + 4 |
1 | 2897 |
framesize |
2898 |
}; |
|
2899 |
||
2900 |
address start = __ pc(); |
|
23491 | 2901 |
|
2902 |
if (UseRTMLocking) { |
|
2903 |
// Abort RTM transaction before possible nmethod deoptimization. |
|
2904 |
__ xabort(0); |
|
2905 |
} |
|
2906 |
||
1 | 2907 |
// Push self-frame. |
1066 | 2908 |
__ subptr(rsp, return_off*wordSize); // Epilog! |
1 | 2909 |
|
2910 |
// rbp, is an implicitly saved callee saved register (i.e. the calling |
|
2911 |
// convention will save restore it in prolog/epilog) Other than that |
|
2912 |
// there are no callee save registers no that adapter frames are gone. |
|
1066 | 2913 |
__ movptr(Address(rsp, rbp_off*wordSize), rbp); |
1 | 2914 |
|
2915 |
// Clear the floating point exception stack |
|
2916 |
__ empty_FPU_stack(); |
|
2917 |
||
2918 |
// set last_Java_sp |
|
2919 |
__ get_thread(rdx); |
|
2920 |
__ set_last_Java_frame(rdx, noreg, noreg, NULL); |
|
2921 |
||
2922 |
// Call C code. Need thread but NOT official VM entry |
|
2923 |
// crud. We cannot block on this call, no GC can happen. Call should |
|
2924 |
// capture callee-saved registers as well as return values. |
|
1066 | 2925 |
__ movptr(Address(rsp, arg0_off*wordSize), rdx); |
1 | 2926 |
// argument already in ECX |
2927 |
__ movl(Address(rsp, arg1_off*wordSize),rcx); |
|
34173
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2928 |
__ movl(Address(rsp, arg2_off*wordSize), Deoptimization::Unpack_uncommon_trap); |
1 | 2929 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::uncommon_trap))); |
2930 |
||
2931 |
// Set an oopmap for the call site |
|
2932 |
OopMapSet *oop_maps = new OopMapSet(); |
|
2933 |
OopMap* map = new OopMap( framesize, 0 ); |
|
2934 |
// No oopMap for rbp, it is known implicitly |
|
2935 |
||
2936 |
oop_maps->add_gc_map( __ pc()-start, map); |
|
2937 |
||
2938 |
__ get_thread(rcx); |
|
2939 |
||
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
38259
diff
changeset
|
2940 |
__ reset_last_Java_frame(rcx, false); |
1 | 2941 |
|
2942 |
// Load UnrollBlock into EDI |
|
1066 | 2943 |
__ movptr(rdi, rax); |
1 | 2944 |
|
34173
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2945 |
#ifdef ASSERT |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2946 |
{ Label L; |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2947 |
__ cmpptr(Address(rdi, Deoptimization::UnrollBlock::unpack_kind_offset_in_bytes()), |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2948 |
(int32_t)Deoptimization::Unpack_uncommon_trap); |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2949 |
__ jcc(Assembler::equal, L); |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2950 |
__ stop("SharedRuntime::generate_deopt_blob: expected Unpack_uncommon_trap"); |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2951 |
__ bind(L); |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2952 |
} |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2953 |
#endif |
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
34162
diff
changeset
|
2954 |
|
1 | 2955 |
// Pop all the frames we must move/replace. |
2956 |
// |
|
2957 |
// Frame picture (youngest to oldest) |
|
2958 |
// 1: self-frame (no frame link) |
|
2959 |
// 2: deopting frame (no frame link) |
|
2960 |
// 3: caller of deopting frame (could be compiled/interpreted). |
|
2961 |
||
2962 |
// Pop self-frame. We have no frame, and must rely only on EAX and ESP. |
|
1066 | 2963 |
__ addptr(rsp,(framesize-1)*wordSize); // Epilog! |
1 | 2964 |
|
2965 |
// Pop deoptimized frame |
|
1066 | 2966 |
__ movl2ptr(rcx, Address(rdi,Deoptimization::UnrollBlock::size_of_deoptimized_frame_offset_in_bytes())); |
2967 |
__ addptr(rsp, rcx); |
|
1 | 2968 |
|
2969 |
// sp should be pointing at the return address to the caller (3) |
|
2970 |
||
21728
0c36ed5f52f5
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
16624
diff
changeset
|
2971 |
// Pick up the initial fp we should save |
0c36ed5f52f5
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
16624
diff
changeset
|
2972 |
// restore rbp before stack bang because if stack overflow is thrown it needs to be pushed (and preserved) |
0c36ed5f52f5
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
16624
diff
changeset
|
2973 |
__ movptr(rbp, Address(rdi, Deoptimization::UnrollBlock::initial_info_offset_in_bytes())); |
0c36ed5f52f5
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
16624
diff
changeset
|
2974 |
|
24018
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2975 |
#ifdef ASSERT |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2976 |
// Compilers generate code that bang the stack by as much as the |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2977 |
// interpreter would need. So this stack banging should never |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2978 |
// trigger a fault. Verify that it does not on non product builds. |
1 | 2979 |
if (UseStackBanging) { |
2980 |
__ movl(rbx, Address(rdi ,Deoptimization::UnrollBlock::total_frame_sizes_offset_in_bytes())); |
|
2981 |
__ bang_stack_size(rbx, rcx); |
|
2982 |
} |
|
24018
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23844
diff
changeset
|
2983 |
#endif |
1 | 2984 |
|
2985 |
// Load array of frame pcs into ECX |
|
2986 |
__ movl(rcx,Address(rdi,Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes())); |
|
2987 |
||
1066 | 2988 |
__ pop(rsi); // trash the pc |
1 | 2989 |
|
2990 |
// Load array of frame sizes into ESI |
|
1066 | 2991 |
__ movptr(rsi,Address(rdi,Deoptimization::UnrollBlock::frame_sizes_offset_in_bytes())); |
1 | 2992 |
|
2993 |
Address counter(rdi, Deoptimization::UnrollBlock::counter_temp_offset_in_bytes()); |
|
2994 |
||
2995 |
__ movl(rbx, Address(rdi, Deoptimization::UnrollBlock::number_of_frames_offset_in_bytes())); |
|
2996 |
__ movl(counter, rbx); |
|
2997 |
||
2998 |
// Now adjust the caller's stack to make up for the extra locals |
|
2999 |
// but record the original sp so that we can save it in the skeletal interpreter |
|
3000 |
// frame and the stack walking of interpreter_sender will get the unextended sp |
|
3001 |
// value and not the "real" sp value. |
|
3002 |
||
3003 |
Address sp_temp(rdi, Deoptimization::UnrollBlock::sender_sp_temp_offset_in_bytes()); |
|
1066 | 3004 |
__ movptr(sp_temp, rsp); |
3005 |
__ movl(rbx, Address(rdi, Deoptimization::UnrollBlock::caller_adjustment_offset_in_bytes())); |
|
3006 |
__ subptr(rsp, rbx); |
|
1 | 3007 |
|
3008 |
// Push interpreter frames in a loop |
|
3009 |
Label loop; |
|
3010 |
__ bind(loop); |
|
1066 | 3011 |
__ movptr(rbx, Address(rsi, 0)); // Load frame size |
3012 |
__ subptr(rbx, 2*wordSize); // we'll push pc and rbp, by hand |
|
3013 |
__ pushptr(Address(rcx, 0)); // save return address |
|
1 | 3014 |
__ enter(); // save old & set new rbp, |
1066 | 3015 |
__ subptr(rsp, rbx); // Prolog! |
3016 |
__ movptr(rbx, sp_temp); // sender's sp |
|
1 | 3017 |
// This value is corrected by layout_activation_impl |
1888
bbf498fb4354
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
1066
diff
changeset
|
3018 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD ); |
1066 | 3019 |
__ movptr(Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize), rbx); // Make it walkable |
3020 |
__ movptr(sp_temp, rsp); // pass to next frame |
|
3021 |
__ addptr(rsi, wordSize); // Bump array pointer (sizes) |
|
3022 |
__ addptr(rcx, wordSize); // Bump array pointer (pcs) |
|
3023 |
__ decrementl(counter); // decrement counter |
|
1 | 3024 |
__ jcc(Assembler::notZero, loop); |
1066 | 3025 |
__ pushptr(Address(rcx, 0)); // save final return address |
1 | 3026 |
|
3027 |
// Re-push self-frame |
|
3028 |
__ enter(); // save old & set new rbp, |
|
1066 | 3029 |
__ subptr(rsp, (framesize-2) * wordSize); // Prolog! |
1 | 3030 |
|
3031 |
||
3032 |
// set last_Java_sp, last_Java_fp |
|
3033 |
__ get_thread(rdi); |
|
3034 |
__ set_last_Java_frame(rdi, noreg, rbp, NULL); |
|
3035 |
||
3036 |
// Call C code. Need thread but NOT official VM entry |
|
3037 |
// crud. We cannot block on this call, no GC can happen. Call should |
|
3038 |
// restore return values to their stack-slots with the new SP. |
|
1066 | 3039 |
__ movptr(Address(rsp,arg0_off*wordSize),rdi); |
1 | 3040 |
__ movl(Address(rsp,arg1_off*wordSize), Deoptimization::Unpack_uncommon_trap); |
3041 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::unpack_frames))); |
|
3042 |
// Set an oopmap for the call site |
|
3043 |
oop_maps->add_gc_map( __ pc()-start, new OopMap( framesize, 0 ) ); |
|
3044 |
||
3045 |
__ get_thread(rdi); |
|
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
38259
diff
changeset
|
3046 |
__ reset_last_Java_frame(rdi, true); |
1 | 3047 |
|
3048 |
// Pop self-frame. |
|
3049 |
__ leave(); // Epilog! |
|
3050 |
||
3051 |
// Jump to interpreter |
|
3052 |
__ ret(0); |
|
3053 |
||
3054 |
// ------------- |
|
3055 |
// make sure all code is generated |
|
3056 |
masm->flush(); |
|
3057 |
||
3058 |
_uncommon_trap_blob = UncommonTrapBlob::create(&buffer, oop_maps, framesize); |
|
3059 |
} |
|
3060 |
#endif // COMPILER2 |
|
3061 |
||
3062 |
//------------------------------generate_handler_blob------ |
|
3063 |
// |
|
3064 |
// Generate a special Compile2Runtime blob that saves all registers, |
|
3065 |
// setup oopmap, and calls safepoint code to stop the compiled code for |
|
3066 |
// a safepoint. |
|
3067 |
// |
|
13883
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3068 |
SafepointBlob* SharedRuntime::generate_handler_blob(address call_ptr, int poll_type) { |
1 | 3069 |
|
3070 |
// Account for thread arg in our frame |
|
3071 |
const int additional_words = 1; |
|
3072 |
int frame_size_in_words; |
|
3073 |
||
3074 |
assert (StubRoutines::forward_exception_entry() != NULL, "must be generated before"); |
|
3075 |
||
3076 |
ResourceMark rm; |
|
3077 |
OopMapSet *oop_maps = new OopMapSet(); |
|
3078 |
OopMap* map; |
|
3079 |
||
3080 |
// allocate space for the code |
|
3081 |
// setup code generation tools |
|
3082 |
CodeBuffer buffer("handler_blob", 1024, 512); |
|
3083 |
MacroAssembler* masm = new MacroAssembler(&buffer); |
|
3084 |
||
3085 |
const Register java_thread = rdi; // callee-saved for VC++ |
|
3086 |
address start = __ pc(); |
|
3087 |
address call_pc = NULL; |
|
13883
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3088 |
bool cause_return = (poll_type == POLL_AT_RETURN); |
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3089 |
bool save_vectors = (poll_type == POLL_AT_VECTOR_LOOP); |
23491 | 3090 |
|
3091 |
if (UseRTMLocking) { |
|
3092 |
// Abort RTM transaction before calling runtime |
|
3093 |
// because critical section will be large and will be |
|
3094 |
// aborted anyway. Also nmethod could be deoptimized. |
|
3095 |
__ xabort(0); |
|
3096 |
} |
|
3097 |
||
1 | 3098 |
// If cause_return is true we are at a poll_return and there is |
3099 |
// the return address on the stack to the caller on the nmethod |
|
3100 |
// that is safepoint. We can leave this return on the stack and |
|
3101 |
// effectively complete the return and safepoint in the caller. |
|
3102 |
// Otherwise we push space for a return address that the safepoint |
|
3103 |
// handler will install later to make the stack walking sensible. |
|
13883
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3104 |
if (!cause_return) |
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3105 |
__ push(rbx); // Make room for return address (or push it again) |
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3106 |
|
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3107 |
map = RegisterSaver::save_live_registers(masm, additional_words, &frame_size_in_words, false, save_vectors); |
1 | 3108 |
|
3109 |
// The following is basically a call_VM. However, we need the precise |
|
3110 |
// address of the call in order to generate an oopmap. Hence, we do all the |
|
3111 |
// work ourselves. |
|
3112 |
||
3113 |
// Push thread argument and setup last_Java_sp |
|
3114 |
__ get_thread(java_thread); |
|
1066 | 3115 |
__ push(java_thread); |
1 | 3116 |
__ set_last_Java_frame(java_thread, noreg, noreg, NULL); |
3117 |
||
3118 |
// if this was not a poll_return then we need to correct the return address now. |
|
13883
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3119 |
if (!cause_return) { |
49027
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3120 |
// Get the return pc saved by the signal handler and stash it in its appropriate place on the stack. |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3121 |
// Additionally, rbx is a callee saved register and we can look at it later to determine |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3122 |
// if someone changed the return address for us! |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3123 |
__ movptr(rbx, Address(java_thread, JavaThread::saved_exception_pc_offset())); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3124 |
__ movptr(Address(rbp, wordSize), rbx); |
1 | 3125 |
} |
3126 |
||
3127 |
// do the call |
|
3128 |
__ call(RuntimeAddress(call_ptr)); |
|
3129 |
||
3130 |
// Set an oopmap for the call site. This oopmap will map all |
|
3131 |
// oop-registers and debug-info registers as callee-saved. This |
|
3132 |
// will allow deoptimization at this safepoint to find all possible |
|
3133 |
// debug-info recordings, as well as let GC find all oops. |
|
3134 |
||
3135 |
oop_maps->add_gc_map( __ pc() - start, map); |
|
3136 |
||
3137 |
// Discard arg |
|
1066 | 3138 |
__ pop(rcx); |
1 | 3139 |
|
3140 |
Label noException; |
|
3141 |
||
3142 |
// Clear last_Java_sp again |
|
3143 |
__ get_thread(java_thread); |
|
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
38259
diff
changeset
|
3144 |
__ reset_last_Java_frame(java_thread, false); |
1 | 3145 |
|
1066 | 3146 |
__ cmpptr(Address(java_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
1 | 3147 |
__ jcc(Assembler::equal, noException); |
3148 |
||
3149 |
// Exception pending |
|
13883
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3150 |
RegisterSaver::restore_live_registers(masm, save_vectors); |
1 | 3151 |
|
3152 |
__ jump(RuntimeAddress(StubRoutines::forward_exception_entry())); |
|
3153 |
||
3154 |
__ bind(noException); |
|
3155 |
||
49027
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3156 |
Label no_adjust, bail, not_special; |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3157 |
if (SafepointMechanism::uses_thread_local_poll() && !cause_return) { |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3158 |
// If our stashed return pc was modified by the runtime we avoid touching it |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3159 |
__ cmpptr(rbx, Address(rbp, wordSize)); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3160 |
__ jccb(Assembler::notEqual, no_adjust); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3161 |
|
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3162 |
// Skip over the poll instruction. |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3163 |
// See NativeInstruction::is_safepoint_poll() |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3164 |
// Possible encodings: |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3165 |
// 85 00 test %eax,(%rax) |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3166 |
// 85 01 test %eax,(%rcx) |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3167 |
// 85 02 test %eax,(%rdx) |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3168 |
// 85 03 test %eax,(%rbx) |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3169 |
// 85 06 test %eax,(%rsi) |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3170 |
// 85 07 test %eax,(%rdi) |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3171 |
// |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3172 |
// 85 04 24 test %eax,(%rsp) |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3173 |
// 85 45 00 test %eax,0x0(%rbp) |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3174 |
|
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3175 |
#ifdef ASSERT |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3176 |
__ movptr(rax, rbx); // remember where 0x85 should be, for verification below |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3177 |
#endif |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3178 |
// rsp/rbp base encoding takes 3 bytes with the following register values: |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3179 |
// rsp 0x04 |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3180 |
// rbp 0x05 |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3181 |
__ movzbl(rcx, Address(rbx, 1)); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3182 |
__ andptr(rcx, 0x07); // looking for 0x04 .. 0x05 |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3183 |
__ subptr(rcx, 4); // looking for 0x00 .. 0x01 |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3184 |
__ cmpptr(rcx, 1); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3185 |
__ jcc(Assembler::above, not_special); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3186 |
__ addptr(rbx, 1); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3187 |
__ bind(not_special); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3188 |
#ifdef ASSERT |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3189 |
// Verify the correct encoding of the poll we're about to skip. |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3190 |
__ cmpb(Address(rax, 0), NativeTstRegMem::instruction_code_memXregl); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3191 |
__ jcc(Assembler::notEqual, bail); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3192 |
// Mask out the modrm bits |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3193 |
__ testb(Address(rax, 1), NativeTstRegMem::modrm_mask); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3194 |
// rax encodes to 0, so if the bits are nonzero it's incorrect |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3195 |
__ jcc(Assembler::notZero, bail); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3196 |
#endif |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3197 |
// Adjust return pc forward to step over the safepoint poll instruction |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3198 |
__ addptr(rbx, 2); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3199 |
__ movptr(Address(rbp, wordSize), rbx); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3200 |
} |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3201 |
|
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3202 |
__ bind(no_adjust); |
1 | 3203 |
// Normal exit, register restoring and exit |
13883
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
3204 |
RegisterSaver::restore_live_registers(masm, save_vectors); |
1 | 3205 |
|
3206 |
__ ret(0); |
|
3207 |
||
49027
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3208 |
#ifdef ASSERT |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3209 |
__ bind(bail); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3210 |
__ stop("Attempting to adjust pc to skip safepoint poll but the return point is not what we expected"); |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3211 |
#endif |
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
48819
diff
changeset
|
3212 |
|
1 | 3213 |
// make sure all code is generated |
3214 |
masm->flush(); |
|
3215 |
||
3216 |
// Fill-out other meta info |
|
3217 |
return SafepointBlob::create(&buffer, oop_maps, frame_size_in_words); |
|
3218 |
} |
|
3219 |
||
3220 |
// |
|
3221 |
// generate_resolve_blob - call resolution (static/virtual/opt-virtual/ic-miss |
|
3222 |
// |
|
3223 |
// Generate a stub that calls into vm to find out the proper destination |
|
3224 |
// of a java call. All the argument registers are live at this point |
|
3225 |
// but since this is generic code we don't know what they are and the caller |
|
3226 |
// must do any gc of the args. |
|
3227 |
// |
|
9976
6fef34e63df1
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
9630
diff
changeset
|
3228 |
RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const char* name) { |
1 | 3229 |
assert (StubRoutines::forward_exception_entry() != NULL, "must be generated before"); |
3230 |
||
3231 |
// allocate space for the code |
|
3232 |
ResourceMark rm; |
|
3233 |
||
3234 |
CodeBuffer buffer(name, 1000, 512); |
|
3235 |
MacroAssembler* masm = new MacroAssembler(&buffer); |
|
3236 |
||
3237 |
int frame_size_words; |
|
3238 |
enum frame_layout { |
|
3239 |
thread_off, |
|
3240 |
extra_words }; |
|
3241 |
||
3242 |
OopMapSet *oop_maps = new OopMapSet(); |
|
3243 |
OopMap* map = NULL; |
|
3244 |
||
3245 |
int start = __ offset(); |
|
3246 |
||
3247 |
map = RegisterSaver::save_live_registers(masm, extra_words, &frame_size_words); |
|
3248 |
||
3249 |
int frame_complete = __ offset(); |
|
3250 |
||
3251 |
const Register thread = rdi; |
|
3252 |
__ get_thread(rdi); |
|
3253 |
||
1066 | 3254 |
__ push(thread); |
1 | 3255 |
__ set_last_Java_frame(thread, noreg, rbp, NULL); |
3256 |
||
3257 |
__ call(RuntimeAddress(destination)); |
|
3258 |
||
3259 |
||
3260 |
// Set an oopmap for the call site. |
|
3261 |
// We need this not only for callee-saved registers, but also for volatile |
|
3262 |
// registers that the compiler might be keeping live across a safepoint. |
|
3263 |
||
3264 |
oop_maps->add_gc_map( __ offset() - start, map); |
|
3265 |
||
3266 |
// rax, contains the address we are going to jump to assuming no exception got installed |
|
3267 |
||
1066 | 3268 |
__ addptr(rsp, wordSize); |
1 | 3269 |
|
3270 |
// clear last_Java_sp |
|
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
38259
diff
changeset
|
3271 |
__ reset_last_Java_frame(thread, true); |
1 | 3272 |
// check for pending exceptions |
3273 |
Label pending; |
|
1066 | 3274 |
__ cmpptr(Address(thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
1 | 3275 |
__ jcc(Assembler::notEqual, pending); |
3276 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3277 |
// get the returned Method* |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3278 |
__ get_vm_result_2(rbx, thread); |
1066 | 3279 |
__ movptr(Address(rsp, RegisterSaver::rbx_offset() * wordSize), rbx); |
3280 |
||
3281 |
__ movptr(Address(rsp, RegisterSaver::rax_offset() * wordSize), rax); |
|
1 | 3282 |
|
3283 |
RegisterSaver::restore_live_registers(masm); |
|
3284 |
||
3285 |
// We are back the the original state on entry and ready to go. |
|
3286 |
||
3287 |
__ jmp(rax); |
|
3288 |
||
3289 |
// Pending exception after the safepoint |
|
3290 |
||
3291 |
__ bind(pending); |
|
3292 |
||
3293 |
RegisterSaver::restore_live_registers(masm); |
|
3294 |
||
3295 |
// exception pending => remove activation and forward to exception handler |
|
3296 |
||
3297 |
__ get_thread(thread); |
|
1888
bbf498fb4354
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
1066
diff
changeset
|
3298 |
__ movptr(Address(thread, JavaThread::vm_result_offset()), NULL_WORD); |
1066 | 3299 |
__ movptr(rax, Address(thread, Thread::pending_exception_offset())); |
1 | 3300 |
__ jump(RuntimeAddress(StubRoutines::forward_exception_entry())); |
3301 |
||
3302 |
// ------------- |
|
3303 |
// make sure all code is generated |
|
3304 |
masm->flush(); |
|
3305 |
||
3306 |
// return the blob |
|
3307 |
// frame_size_words or bytes?? |
|
3308 |
return RuntimeStub::new_runtime_stub(name, &buffer, frame_complete, frame_size_words, oop_maps, true); |
|
3309 |
} |