author | zmajo |
Wed, 21 Jan 2015 10:51:35 +0100 | |
changeset 28650 | 772aaab2582f |
parent 25950 | b5c40ed1d349 |
child 31790 | 4a08476437e8 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2014, 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. |
1 | 22 |
* |
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*/ |
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||
7397 | 25 |
#include "precompiled.hpp" |
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#include "asm/macroAssembler.hpp" |
7397 | 27 |
#include "interpreter/bytecodeHistogram.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/interpreterGenerator.hpp" |
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#include "interpreter/interpreterRuntime.hpp" |
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#include "interpreter/interp_masm.hpp" |
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#include "interpreter/templateTable.hpp" |
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#include "oops/arrayOop.hpp" |
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#include "oops/methodData.hpp" |
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#include "oops/method.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "prims/jvmtiThreadState.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/deoptimization.hpp" |
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#include "runtime/frame.inline.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "runtime/synchronizer.hpp" |
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#include "runtime/timer.hpp" |
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#include "runtime/vframeArray.hpp" |
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#include "utilities/debug.hpp" |
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#include "utilities/macros.hpp" |
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#define __ _masm-> |
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52 |
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#ifndef CC_INTERP |
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const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
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const int bcp_offset = frame::interpreter_frame_bcp_offset * wordSize; |
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const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; |
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//------------------------------------------------------------------------------------------------------------------------ |
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||
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address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { |
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address entry = __ pc(); |
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// Note: There should be a minimal interpreter frame set up when stack |
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// overflow occurs since we check explicitly for it now. |
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// |
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#ifdef ASSERT |
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{ Label L; |
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1066 | 68 |
__ lea(rax, Address(rbp, |
1 | 69 |
frame::interpreter_frame_monitor_block_top_offset * wordSize)); |
1066 | 70 |
__ cmpptr(rax, rsp); // rax, = maximal rsp for current rbp, |
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// (stack grows negative) |
72 |
__ jcc(Assembler::aboveEqual, L); // check if frame is complete |
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__ stop ("interpreter frame not set up"); |
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__ bind(L); |
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} |
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#endif // ASSERT |
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// Restore bcp under the assumption that the current frame is still |
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// interpreted |
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__ restore_bcp(); |
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||
81 |
// expression stack must be empty before entering the VM if an exception |
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// happened |
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__ empty_expression_stack(); |
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__ empty_FPU_stack(); |
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// throw exception |
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__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_StackOverflowError)); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler(const char* name) { |
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address entry = __ pc(); |
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// expression stack must be empty before entering the VM if an exception happened |
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__ empty_expression_stack(); |
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__ empty_FPU_stack(); |
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// setup parameters |
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// ??? convention: expect aberrant index in register rbx, |
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__ lea(rax, ExternalAddress((address)name)); |
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__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_ArrayIndexOutOfBoundsException), rax, rbx); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_ClassCastException_handler() { |
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address entry = __ pc(); |
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// object is at TOS |
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1066 | 105 |
__ pop(rax); |
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// expression stack must be empty before entering the VM if an exception |
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// happened |
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__ empty_expression_stack(); |
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__ empty_FPU_stack(); |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime::throw_ClassCastException), |
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rax); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_exception_handler_common(const char* name, const char* message, bool pass_oop) { |
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assert(!pass_oop || message == NULL, "either oop or message but not both"); |
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address entry = __ pc(); |
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120 |
if (pass_oop) { |
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// object is at TOS |
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1066 | 122 |
__ pop(rbx); |
1 | 123 |
} |
124 |
// expression stack must be empty before entering the VM if an exception happened |
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__ empty_expression_stack(); |
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__ empty_FPU_stack(); |
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// setup parameters |
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__ lea(rax, ExternalAddress((address)name)); |
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if (pass_oop) { |
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__ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::create_klass_exception), rax, rbx); |
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} else { |
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if (message != NULL) { |
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__ lea(rbx, ExternalAddress((address)message)); |
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} else { |
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__ movptr(rbx, NULL_WORD); |
1 | 136 |
} |
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__ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), rax, rbx); |
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138 |
} |
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139 |
// throw exception |
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140 |
__ jump(ExternalAddress(Interpreter::throw_exception_entry())); |
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return entry; |
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} |
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143 |
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144 |
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address TemplateInterpreterGenerator::generate_continuation_for(TosState state) { |
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address entry = __ pc(); |
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// NULL last_sp until next java call |
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__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); |
1 | 149 |
__ dispatch_next(state); |
150 |
return entry; |
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} |
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153 |
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address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) { |
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address entry = __ pc(); |
1 | 156 |
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#ifdef COMPILER2 |
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// The FPU stack is clean if UseSSE >= 2 but must be cleaned in other cases |
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if ((state == ftos && UseSSE < 1) || (state == dtos && UseSSE < 2)) { |
1 | 160 |
for (int i = 1; i < 8; i++) { |
161 |
__ ffree(i); |
|
162 |
} |
|
163 |
} else if (UseSSE < 2) { |
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164 |
__ empty_FPU_stack(); |
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} |
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#endif |
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if ((state == ftos && UseSSE < 1) || (state == dtos && UseSSE < 2)) { |
1 | 168 |
__ MacroAssembler::verify_FPU(1, "generate_return_entry_for compiled"); |
169 |
} else { |
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__ MacroAssembler::verify_FPU(0, "generate_return_entry_for compiled"); |
|
171 |
} |
|
172 |
||
173 |
// In SSE mode, interpreter returns FP results in xmm0 but they need |
|
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// to end up back on the FPU so it can operate on them. |
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if (state == ftos && UseSSE >= 1) { |
1066 | 176 |
__ subptr(rsp, wordSize); |
1 | 177 |
__ movflt(Address(rsp, 0), xmm0); |
178 |
__ fld_s(Address(rsp, 0)); |
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1066 | 179 |
__ addptr(rsp, wordSize); |
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} else if (state == dtos && UseSSE >= 2) { |
1066 | 181 |
__ subptr(rsp, 2*wordSize); |
1 | 182 |
__ movdbl(Address(rsp, 0), xmm0); |
183 |
__ fld_d(Address(rsp, 0)); |
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1066 | 184 |
__ addptr(rsp, 2*wordSize); |
1 | 185 |
} |
186 |
||
187 |
__ MacroAssembler::verify_FPU(state == ftos || state == dtos ? 1 : 0, "generate_return_entry_for in interpreter"); |
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188 |
||
189 |
// Restore stack bottom in case i2c adjusted stack |
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1066 | 190 |
__ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
1 | 191 |
// and NULL it as marker that rsp is now tos until next java call |
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__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); |
1 | 193 |
|
194 |
__ restore_bcp(); |
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195 |
__ restore_locals(); |
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if (state == atos) { |
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Register mdp = rbx; |
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Register tmp = rcx; |
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__ profile_return_type(mdp, rax, tmp); |
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} |
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const Register cache = rbx; |
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const Register index = rcx; |
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__ get_cache_and_index_at_bcp(cache, index, 1, index_size); |
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206 |
|
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const Register flags = cache; |
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208 |
__ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset())); |
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__ andl(flags, ConstantPoolCacheEntry::parameter_size_mask); |
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210 |
__ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale())); |
1 | 211 |
__ dispatch_next(state, step); |
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212 |
|
1 | 213 |
return entry; |
214 |
} |
|
215 |
||
216 |
||
217 |
address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state, int step) { |
|
218 |
address entry = __ pc(); |
|
219 |
||
220 |
// In SSE mode, FP results are in xmm0 |
|
221 |
if (state == ftos && UseSSE > 0) { |
|
1066 | 222 |
__ subptr(rsp, wordSize); |
1 | 223 |
__ movflt(Address(rsp, 0), xmm0); |
224 |
__ fld_s(Address(rsp, 0)); |
|
1066 | 225 |
__ addptr(rsp, wordSize); |
1 | 226 |
} else if (state == dtos && UseSSE >= 2) { |
1066 | 227 |
__ subptr(rsp, 2*wordSize); |
1 | 228 |
__ movdbl(Address(rsp, 0), xmm0); |
229 |
__ fld_d(Address(rsp, 0)); |
|
1066 | 230 |
__ addptr(rsp, 2*wordSize); |
1 | 231 |
} |
232 |
||
233 |
__ MacroAssembler::verify_FPU(state == ftos || state == dtos ? 1 : 0, "generate_deopt_entry_for in interpreter"); |
|
234 |
||
235 |
// The stack is not extended by deopt but we must NULL last_sp as this |
|
236 |
// entry is like a "return". |
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237 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); |
1 | 238 |
__ restore_bcp(); |
239 |
__ restore_locals(); |
|
240 |
// handle exceptions |
|
241 |
{ Label L; |
|
242 |
const Register thread = rcx; |
|
243 |
__ get_thread(thread); |
|
1066 | 244 |
__ cmpptr(Address(thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
1 | 245 |
__ jcc(Assembler::zero, L); |
246 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_pending_exception)); |
|
247 |
__ should_not_reach_here(); |
|
248 |
__ bind(L); |
|
249 |
} |
|
250 |
__ dispatch_next(state, step); |
|
251 |
return entry; |
|
252 |
} |
|
253 |
||
254 |
||
255 |
int AbstractInterpreter::BasicType_as_index(BasicType type) { |
|
256 |
int i = 0; |
|
257 |
switch (type) { |
|
258 |
case T_BOOLEAN: i = 0; break; |
|
259 |
case T_CHAR : i = 1; break; |
|
260 |
case T_BYTE : i = 2; break; |
|
261 |
case T_SHORT : i = 3; break; |
|
262 |
case T_INT : // fall through |
|
263 |
case T_LONG : // fall through |
|
264 |
case T_VOID : i = 4; break; |
|
265 |
case T_FLOAT : i = 5; break; // have to treat float and double separately for SSE |
|
266 |
case T_DOUBLE : i = 6; break; |
|
267 |
case T_OBJECT : // fall through |
|
268 |
case T_ARRAY : i = 7; break; |
|
269 |
default : ShouldNotReachHere(); |
|
270 |
} |
|
271 |
assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, "index out of bounds"); |
|
272 |
return i; |
|
273 |
} |
|
274 |
||
275 |
||
276 |
address TemplateInterpreterGenerator::generate_result_handler_for(BasicType type) { |
|
277 |
address entry = __ pc(); |
|
278 |
switch (type) { |
|
279 |
case T_BOOLEAN: __ c2bool(rax); break; |
|
1066 | 280 |
case T_CHAR : __ andptr(rax, 0xFFFF); break; |
1 | 281 |
case T_BYTE : __ sign_extend_byte (rax); break; |
282 |
case T_SHORT : __ sign_extend_short(rax); break; |
|
283 |
case T_INT : /* nothing to do */ break; |
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case T_LONG : /* nothing to do */ break; |
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285 |
case T_VOID : /* nothing to do */ break; |
1 | 286 |
case T_DOUBLE : |
287 |
case T_FLOAT : |
|
288 |
{ const Register t = InterpreterRuntime::SignatureHandlerGenerator::temp(); |
|
1066 | 289 |
__ pop(t); // remove return address first |
1 | 290 |
// Must return a result for interpreter or compiler. In SSE |
291 |
// mode, results are returned in xmm0 and the FPU stack must |
|
292 |
// be empty. |
|
293 |
if (type == T_FLOAT && UseSSE >= 1) { |
|
294 |
// Load ST0 |
|
295 |
__ fld_d(Address(rsp, 0)); |
|
296 |
// Store as float and empty fpu stack |
|
297 |
__ fstp_s(Address(rsp, 0)); |
|
298 |
// and reload |
|
299 |
__ movflt(xmm0, Address(rsp, 0)); |
|
300 |
} else if (type == T_DOUBLE && UseSSE >= 2 ) { |
|
301 |
__ movdbl(xmm0, Address(rsp, 0)); |
|
302 |
} else { |
|
303 |
// restore ST0 |
|
304 |
__ fld_d(Address(rsp, 0)); |
|
305 |
} |
|
306 |
// and pop the temp |
|
1066 | 307 |
__ addptr(rsp, 2 * wordSize); |
308 |
__ push(t); // restore return address |
|
1 | 309 |
} |
310 |
break; |
|
311 |
case T_OBJECT : |
|
312 |
// retrieve result from frame |
|
1066 | 313 |
__ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
1 | 314 |
// and verify it |
315 |
__ verify_oop(rax); |
|
316 |
break; |
|
317 |
default : ShouldNotReachHere(); |
|
318 |
} |
|
319 |
__ ret(0); // return from result handler |
|
320 |
return entry; |
|
321 |
} |
|
322 |
||
323 |
address TemplateInterpreterGenerator::generate_safept_entry_for(TosState state, address runtime_entry) { |
|
324 |
address entry = __ pc(); |
|
325 |
__ push(state); |
|
326 |
__ call_VM(noreg, runtime_entry); |
|
327 |
__ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); |
|
328 |
return entry; |
|
329 |
} |
|
330 |
||
331 |
||
332 |
// Helpers for commoning out cases in the various type of method entries. |
|
333 |
// |
|
334 |
||
335 |
// increment invocation count & check for overflow |
|
336 |
// |
|
337 |
// Note: checking for negative value instead of overflow |
|
338 |
// so we have a 'sticky' overflow test |
|
339 |
// |
|
340 |
// rbx,: method |
|
341 |
// rcx: invocation counter |
|
342 |
// |
|
343 |
void InterpreterGenerator::generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue) { |
|
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344 |
Label done; |
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345 |
// Note: In tiered we increment either counters in MethodCounters* or in MDO |
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346 |
// depending if we're profiling or not. |
6453 | 347 |
if (TieredCompilation) { |
348 |
int increment = InvocationCounter::count_increment; |
|
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349 |
Label no_mdo; |
6453 | 350 |
if (ProfileInterpreter) { |
351 |
// Are we profiling? |
|
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352 |
__ movptr(rax, Address(rbx, Method::method_data_offset())); |
6453 | 353 |
__ testptr(rax, rax); |
354 |
__ jccb(Assembler::zero, no_mdo); |
|
355 |
// Increment counter in the MDO |
|
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356 |
const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) + |
6453 | 357 |
in_bytes(InvocationCounter::counter_offset())); |
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358 |
const Address mask(rax, in_bytes(MethodData::invoke_mask_offset())); |
6453 | 359 |
__ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); |
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|
360 |
__ jmp(done); |
6453 | 361 |
} |
362 |
__ bind(no_mdo); |
|
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|
363 |
// Increment counter in MethodCounters |
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|
364 |
const Address invocation_counter(rax, |
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|
365 |
MethodCounters::invocation_counter_offset() + |
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|
366 |
InvocationCounter::counter_offset()); |
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|
367 |
|
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|
368 |
__ get_method_counters(rbx, rax, done); |
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369 |
const Address mask(rax, in_bytes(MethodCounters::invoke_mask_offset())); |
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|
370 |
__ increment_mask_and_jump(invocation_counter, increment, mask, |
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|
371 |
rcx, false, Assembler::zero, overflow); |
6453 | 372 |
__ bind(done); |
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373 |
} else { // not TieredCompilation |
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|
374 |
const Address backedge_counter(rax, |
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|
375 |
MethodCounters::backedge_counter_offset() + |
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|
376 |
InvocationCounter::counter_offset()); |
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|
377 |
const Address invocation_counter(rax, |
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|
378 |
MethodCounters::invocation_counter_offset() + |
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|
379 |
InvocationCounter::counter_offset()); |
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|
380 |
|
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|
381 |
__ get_method_counters(rbx, rax, done); |
1 | 382 |
|
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|
383 |
if (ProfileInterpreter) { |
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|
384 |
__ incrementl(Address(rax, |
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|
385 |
MethodCounters::interpreter_invocation_counter_offset())); |
6453 | 386 |
} |
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|
387 |
|
6453 | 388 |
// Update standard invocation counters |
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|
389 |
__ movl(rcx, invocation_counter); |
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|
390 |
__ incrementl(rcx, InvocationCounter::count_increment); |
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|
391 |
__ movl(invocation_counter, rcx); // save invocation count |
6453 | 392 |
|
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|
393 |
__ movl(rax, backedge_counter); // load backedge counter |
6453 | 394 |
__ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits |
395 |
||
396 |
__ addl(rcx, rax); // add both counters |
|
1 | 397 |
|
6453 | 398 |
// profile_method is non-null only for interpreted method so |
399 |
// profile_method != NULL == !native_call |
|
400 |
// BytecodeInterpreter only calls for native so code is elided. |
|
401 |
||
402 |
if (ProfileInterpreter && profile_method != NULL) { |
|
403 |
// Test to see if we should create a method data oop |
|
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|
404 |
__ movptr(rax, Address(rbx, Method::method_counters_offset())); |
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|
405 |
__ cmp32(rcx, Address(rax, in_bytes(MethodCounters::interpreter_profile_limit_offset()))); |
6453 | 406 |
__ jcc(Assembler::less, *profile_method_continue); |
407 |
||
408 |
// if no method data exists, go to profile_method |
|
409 |
__ test_method_data_pointer(rax, *profile_method); |
|
410 |
} |
|
411 |
||
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changeset
|
412 |
__ movptr(rax, Address(rbx, Method::method_counters_offset())); |
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changeset
|
413 |
__ cmp32(rcx, Address(rax, in_bytes(MethodCounters::interpreter_invocation_limit_offset()))); |
6453 | 414 |
__ jcc(Assembler::aboveEqual, *overflow); |
17000
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|
415 |
__ bind(done); |
1 | 416 |
} |
417 |
} |
|
418 |
||
419 |
void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { |
|
420 |
||
421 |
// Asm interpreter on entry |
|
422 |
// rdi - locals |
|
423 |
// rsi - bcp |
|
424 |
// rbx, - method |
|
425 |
// rdx - cpool |
|
426 |
// rbp, - interpreter frame |
|
427 |
||
428 |
// C++ interpreter on entry |
|
429 |
// rsi - new interpreter state pointer |
|
430 |
// rbp - interpreter frame pointer |
|
431 |
// rbx - method |
|
432 |
||
433 |
// On return (i.e. jump to entry_point) [ back to invocation of interpreter ] |
|
434 |
// rbx, - method |
|
435 |
// rcx - rcvr (assuming there is one) |
|
436 |
// top of stack return address of interpreter caller |
|
437 |
// rsp - sender_sp |
|
438 |
||
439 |
// C++ interpreter only |
|
440 |
// rsi - previous interpreter state pointer |
|
441 |
||
442 |
// InterpreterRuntime::frequency_counter_overflow takes one argument |
|
443 |
// indicating if the counter overflow occurs at a backwards branch (non-NULL bcp). |
|
444 |
// The call returns the address of the verified entry point for the method or NULL |
|
445 |
// if the compilation did not complete (either went background or bailed out). |
|
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|
446 |
__ movptr(rax, (intptr_t)false); |
1 | 447 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::frequency_counter_overflow), rax); |
448 |
||
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|
449 |
__ movptr(rbx, Address(rbp, method_offset)); // restore Method* |
1 | 450 |
|
451 |
// Preserve invariant that rsi/rdi contain bcp/locals of sender frame |
|
452 |
// and jump to the interpreted entry. |
|
453 |
__ jmp(*do_continue, relocInfo::none); |
|
454 |
||
455 |
} |
|
456 |
||
457 |
void InterpreterGenerator::generate_stack_overflow_check(void) { |
|
458 |
// see if we've got enough room on the stack for locals plus overhead. |
|
459 |
// the expression stack grows down incrementally, so the normal guard |
|
460 |
// page mechanism will work for that. |
|
461 |
// |
|
462 |
// Registers live on entry: |
|
463 |
// |
|
464 |
// Asm interpreter |
|
465 |
// rdx: number of additional locals this frame needs (what we must check) |
|
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|
466 |
// rbx,: Method* |
1 | 467 |
|
468 |
// destroyed on exit |
|
469 |
// rax, |
|
470 |
||
471 |
// NOTE: since the additional locals are also always pushed (wasn't obvious in |
|
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|
472 |
// generate_fixed_frame) so the guard should work for them too. |
1 | 473 |
// |
474 |
||
25950
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|
475 |
// monitor entry size: see picture of stack in frame_x86.hpp |
1 | 476 |
const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; |
477 |
||
478 |
// total overhead size: entry_size + (saved rbp, thru expr stack bottom). |
|
479 |
// be sure to change this if you add/subtract anything to/from the overhead area |
|
480 |
const int overhead_size = -(frame::interpreter_frame_initial_sp_offset*wordSize) + entry_size; |
|
481 |
||
482 |
const int page_size = os::vm_page_size(); |
|
483 |
||
484 |
Label after_frame_check; |
|
485 |
||
486 |
// see if the frame is greater than one page in size. If so, |
|
487 |
// then we need to verify there is enough stack space remaining |
|
488 |
// for the additional locals. |
|
5419 | 489 |
__ cmpl(rdx, (page_size - overhead_size)/Interpreter::stackElementSize); |
1 | 490 |
__ jcc(Assembler::belowEqual, after_frame_check); |
491 |
||
492 |
// compute rsp as if this were going to be the last frame on |
|
493 |
// the stack before the red zone |
|
494 |
||
495 |
Label after_frame_check_pop; |
|
496 |
||
1066 | 497 |
__ push(rsi); |
1 | 498 |
|
499 |
const Register thread = rsi; |
|
500 |
||
501 |
__ get_thread(thread); |
|
502 |
||
503 |
const Address stack_base(thread, Thread::stack_base_offset()); |
|
504 |
const Address stack_size(thread, Thread::stack_size_offset()); |
|
505 |
||
506 |
// locals + overhead, in bytes |
|
1066 | 507 |
__ lea(rax, Address(noreg, rdx, Interpreter::stackElementScale(), overhead_size)); |
1 | 508 |
|
509 |
#ifdef ASSERT |
|
510 |
Label stack_base_okay, stack_size_okay; |
|
511 |
// verify that thread stack base is non-zero |
|
1066 | 512 |
__ cmpptr(stack_base, (int32_t)NULL_WORD); |
1 | 513 |
__ jcc(Assembler::notEqual, stack_base_okay); |
514 |
__ stop("stack base is zero"); |
|
515 |
__ bind(stack_base_okay); |
|
516 |
// verify that thread stack size is non-zero |
|
1066 | 517 |
__ cmpptr(stack_size, 0); |
1 | 518 |
__ jcc(Assembler::notEqual, stack_size_okay); |
519 |
__ stop("stack size is zero"); |
|
520 |
__ bind(stack_size_okay); |
|
521 |
#endif |
|
522 |
||
523 |
// Add stack base to locals and subtract stack size |
|
1066 | 524 |
__ addptr(rax, stack_base); |
525 |
__ subptr(rax, stack_size); |
|
1 | 526 |
|
527 |
// Use the maximum number of pages we might bang. |
|
528 |
const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages : |
|
529 |
(StackRedPages+StackYellowPages); |
|
1066 | 530 |
__ addptr(rax, max_pages * page_size); |
1 | 531 |
|
532 |
// check against the current stack bottom |
|
1066 | 533 |
__ cmpptr(rsp, rax); |
1 | 534 |
__ jcc(Assembler::above, after_frame_check_pop); |
535 |
||
1066 | 536 |
__ pop(rsi); // get saved bcp / (c++ prev state ). |
1 | 537 |
|
11411 | 538 |
// Restore sender's sp as SP. This is necessary if the sender's |
539 |
// frame is an extended compiled frame (see gen_c2i_adapter()) |
|
540 |
// and safer anyway in case of JSR292 adaptations. |
|
1 | 541 |
|
11411 | 542 |
__ pop(rax); // return address must be moved if SP is changed |
543 |
__ mov(rsp, rsi); |
|
544 |
__ push(rax); |
|
545 |
||
546 |
// Note: the restored frame is not necessarily interpreted. |
|
547 |
// Use the shared runtime version of the StackOverflowError. |
|
548 |
assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated"); |
|
549 |
__ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry())); |
|
1 | 550 |
// all done with frame size check |
551 |
__ bind(after_frame_check_pop); |
|
1066 | 552 |
__ pop(rsi); |
1 | 553 |
|
554 |
__ bind(after_frame_check); |
|
555 |
} |
|
556 |
||
557 |
// Allocate monitor and lock method (asm interpreter) |
|
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|
558 |
// rbx, - Method* |
1 | 559 |
// |
560 |
void InterpreterGenerator::lock_method(void) { |
|
561 |
// synchronize method |
|
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|
562 |
const Address access_flags (rbx, Method::access_flags_offset()); |
1 | 563 |
const Address monitor_block_top (rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize); |
564 |
const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; |
|
565 |
||
566 |
#ifdef ASSERT |
|
567 |
{ Label L; |
|
568 |
__ movl(rax, access_flags); |
|
569 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
570 |
__ jcc(Assembler::notZero, L); |
|
571 |
__ stop("method doesn't need synchronization"); |
|
572 |
__ bind(L); |
|
573 |
} |
|
574 |
#endif // ASSERT |
|
575 |
// get synchronization object |
|
576 |
{ Label done; |
|
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|
577 |
const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
1 | 578 |
__ movl(rax, access_flags); |
579 |
__ testl(rax, JVM_ACC_STATIC); |
|
1066 | 580 |
__ movptr(rax, Address(rdi, Interpreter::local_offset_in_bytes(0))); // get receiver (assume this is frequent case) |
1 | 581 |
__ jcc(Assembler::zero, done); |
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|
582 |
__ movptr(rax, Address(rbx, Method::const_offset())); |
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6964458: Reimplement class meta-data storage to use native memory
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|
583 |
__ movptr(rax, Address(rax, ConstMethod::constants_offset())); |
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|
584 |
__ movptr(rax, Address(rax, ConstantPool::pool_holder_offset_in_bytes())); |
1066 | 585 |
__ movptr(rax, Address(rax, mirror_offset)); |
1 | 586 |
__ bind(done); |
587 |
} |
|
588 |
// add space for monitor & lock |
|
1066 | 589 |
__ subptr(rsp, entry_size); // add space for a monitor entry |
590 |
__ movptr(monitor_block_top, rsp); // set new monitor block top |
|
591 |
__ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); // store object |
|
592 |
__ mov(rdx, rsp); // object address |
|
1 | 593 |
__ lock_object(rdx); |
594 |
} |
|
595 |
||
596 |
// |
|
597 |
// Generate a fixed interpreter frame. This is identical setup for interpreted methods |
|
598 |
// and for native methods hence the shared code. |
|
599 |
||
600 |
void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { |
|
601 |
// initialize fixed part of activation frame |
|
1066 | 602 |
__ push(rax); // save return address |
1 | 603 |
__ enter(); // save old & set new rbp, |
604 |
||
605 |
||
1066 | 606 |
__ push(rsi); // set sender sp |
607 |
__ push((int32_t)NULL_WORD); // leave last_sp as null |
|
13728
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parents:
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diff
changeset
|
608 |
__ movptr(rsi, Address(rbx,Method::const_offset())); // get ConstMethod* |
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diff
changeset
|
609 |
__ lea(rsi, Address(rsi,ConstMethod::codes_offset())); // get codebase |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
610 |
__ push(rbx); // save Method* |
1 | 611 |
if (ProfileInterpreter) { |
612 |
Label method_data_continue; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
613 |
__ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset()))); |
1066 | 614 |
__ testptr(rdx, rdx); |
1 | 615 |
__ jcc(Assembler::zero, method_data_continue); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
616 |
__ addptr(rdx, in_bytes(MethodData::data_offset())); |
1 | 617 |
__ bind(method_data_continue); |
1066 | 618 |
__ push(rdx); // set the mdp (method data pointer) |
1 | 619 |
} else { |
1066 | 620 |
__ push(0); |
1 | 621 |
} |
622 |
||
13728
882756847a04
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changeset
|
623 |
__ movptr(rdx, Address(rbx, Method::const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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changeset
|
624 |
__ movptr(rdx, Address(rdx, ConstMethod::constants_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
625 |
__ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes())); |
1066 | 626 |
__ push(rdx); // set constant pool cache |
627 |
__ push(rdi); // set locals pointer |
|
1 | 628 |
if (native_call) { |
1066 | 629 |
__ push(0); // no bcp |
1 | 630 |
} else { |
1066 | 631 |
__ push(rsi); // set bcp |
1 | 632 |
} |
1066 | 633 |
__ push(0); // reserve word for pointer to expression stack bottom |
634 |
__ movptr(Address(rsp, 0), rsp); // set expression stack bottom |
|
1 | 635 |
} |
636 |
||
637 |
||
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
638 |
// Method entry for java.lang.ref.Reference.get. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
639 |
address InterpreterGenerator::generate_Reference_get_entry(void) { |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14745
diff
changeset
|
640 |
#if INCLUDE_ALL_GCS |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
641 |
// Code: _aload_0, _getfield, _areturn |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
642 |
// parameter size = 1 |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
643 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
644 |
// The code that gets generated by this routine is split into 2 parts: |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
645 |
// 1. The "intrinsified" code for G1 (or any SATB based GC), |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
646 |
// 2. The slow path - which is an expansion of the regular method entry. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
647 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
648 |
// Notes:- |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
649 |
// * In the G1 code we do not check whether we need to block for |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
650 |
// a safepoint. If G1 is enabled then we must execute the specialized |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
651 |
// code for Reference.get (except when the Reference object is null) |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
652 |
// so that we can log the value in the referent field with an SATB |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
653 |
// update buffer. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
654 |
// If the code for the getfield template is modified so that the |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
655 |
// G1 pre-barrier code is executed when the current method is |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
656 |
// Reference.get() then going through the normal method entry |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
657 |
// will be fine. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
658 |
// * The G1 code below can, however, check the receiver object (the instance |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
659 |
// of java.lang.Reference) and jump to the slow path if null. If the |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
660 |
// Reference object is null then we obviously cannot fetch the referent |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
661 |
// and so we don't need to call the G1 pre-barrier. Thus we can use the |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
662 |
// regular method entry code to generate the NPE. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
663 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
664 |
// This code is based on generate_accessor_enty. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
665 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
666 |
// rbx,: Method* |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
667 |
// rcx: receiver (preserve for slow entry into asm interpreter) |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
668 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
669 |
// rsi: senderSP must preserved for slow path, set SP to it on fast path |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
670 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
671 |
address entry = __ pc(); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
672 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
673 |
const int referent_offset = java_lang_ref_Reference::referent_offset; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
674 |
guarantee(referent_offset > 0, "referent offset not initialized"); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
675 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
676 |
if (UseG1GC) { |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
677 |
Label slow_path; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
678 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
679 |
// Check if local 0 != NULL |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
680 |
// If the receiver is null then it is OK to jump to the slow path. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
681 |
__ movptr(rax, Address(rsp, wordSize)); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
682 |
__ testptr(rax, rax); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
683 |
__ jcc(Assembler::zero, slow_path); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
684 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
685 |
// rax: local 0 (must be preserved across the G1 barrier call) |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
686 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
687 |
// rbx: method (at this point it's scratch) |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
688 |
// rcx: receiver (at this point it's scratch) |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
689 |
// rdx: scratch |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
690 |
// rdi: scratch |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
691 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
692 |
// rsi: sender sp |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
693 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
694 |
// Preserve the sender sp in case the pre-barrier |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
695 |
// calls the runtime |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
696 |
__ push(rsi); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
697 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
698 |
// Load the value of the referent field. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
699 |
const Address field_address(rax, referent_offset); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
700 |
__ movptr(rax, field_address); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
701 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
702 |
// Generate the G1 pre-barrier code to log the value of |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
703 |
// the referent field in an SATB buffer. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
704 |
__ get_thread(rcx); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
705 |
__ g1_write_barrier_pre(noreg /* obj */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
706 |
rax /* pre_val */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
707 |
rcx /* thread */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
708 |
rbx /* tmp */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
709 |
true /* tosca_save */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
710 |
true /* expand_call */); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
711 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
712 |
// _areturn |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
713 |
__ pop(rsi); // get sender sp |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
714 |
__ pop(rdi); // get return address |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
715 |
__ mov(rsp, rsi); // set sp to sender sp |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
716 |
__ jmp(rdi); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
717 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
718 |
__ bind(slow_path); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
719 |
(void) generate_normal_entry(false); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
720 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
721 |
return entry; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
722 |
} |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14745
diff
changeset
|
723 |
#endif // INCLUDE_ALL_GCS |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
724 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
725 |
// If G1 is not enabled then attempt to go through the accessor entry point |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
726 |
// Reference.get is an accessor |
25950
b5c40ed1d349
8003426: Remove UseFastAccessors and UseFastEmptyMethods except for zero
coleenp
parents:
25717
diff
changeset
|
727 |
return generate_jump_to_normal_entry(); |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
728 |
} |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
729 |
|
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
730 |
/** |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
731 |
* Method entry for static native methods: |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
732 |
* int java.util.zip.CRC32.update(int crc, int b) |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
733 |
*/ |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
734 |
address InterpreterGenerator::generate_CRC32_update_entry() { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
735 |
if (UseCRC32Intrinsics) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
736 |
address entry = __ pc(); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
737 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
738 |
// rbx,: Method* |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
739 |
// rsi: senderSP must preserved for slow path, set SP to it on fast path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
740 |
// rdx: scratch |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
741 |
// rdi: scratch |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
742 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
743 |
Label slow_path; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
744 |
// If we need a safepoint check, generate full interpreter entry. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
745 |
ExternalAddress state(SafepointSynchronize::address_of_state()); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
746 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
747 |
SafepointSynchronize::_not_synchronized); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
748 |
__ jcc(Assembler::notEqual, slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
749 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
750 |
// We don't generate local frame and don't align stack because |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
751 |
// we call stub code and there is no safepoint on this path. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
752 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
753 |
// Load parameters |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
754 |
const Register crc = rax; // crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
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diff
changeset
|
755 |
const Register val = rdx; // source java byte value |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
756 |
const Register tbl = rdi; // scratch |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
757 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
758 |
// Arguments are reversed on java expression stack |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
759 |
__ movl(val, Address(rsp, wordSize)); // byte value |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
760 |
__ movl(crc, Address(rsp, 2*wordSize)); // Initial CRC |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
761 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
762 |
__ lea(tbl, ExternalAddress(StubRoutines::crc_table_addr())); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
763 |
__ notl(crc); // ~crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
764 |
__ update_byte_crc32(crc, val, tbl); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
765 |
__ notl(crc); // ~crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
766 |
// result in rax |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
767 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
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parents:
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diff
changeset
|
768 |
// _areturn |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
769 |
__ pop(rdi); // get return address |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
770 |
__ mov(rsp, rsi); // set sp to sender sp |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
771 |
__ jmp(rdi); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
772 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
773 |
// generate a vanilla native entry as the slow path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
774 |
__ bind(slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
775 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
776 |
(void) generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
777 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
778 |
return entry; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
779 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
780 |
return generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
781 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
782 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
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parents:
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diff
changeset
|
783 |
/** |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
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parents:
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diff
changeset
|
784 |
* Method entry for static native methods: |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
785 |
* int java.util.zip.CRC32.updateBytes(int crc, byte[] b, int off, int len) |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
786 |
* int java.util.zip.CRC32.updateByteBuffer(int crc, long buf, int off, int len) |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
787 |
*/ |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
788 |
address InterpreterGenerator::generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
789 |
if (UseCRC32Intrinsics) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
790 |
address entry = __ pc(); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
791 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
792 |
// rbx,: Method* |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
793 |
// rsi: senderSP must preserved for slow path, set SP to it on fast path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
794 |
// rdx: scratch |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
795 |
// rdi: scratch |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
796 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
797 |
Label slow_path; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
798 |
// If we need a safepoint check, generate full interpreter entry. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
799 |
ExternalAddress state(SafepointSynchronize::address_of_state()); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
800 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
801 |
SafepointSynchronize::_not_synchronized); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
802 |
__ jcc(Assembler::notEqual, slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
803 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
804 |
// We don't generate local frame and don't align stack because |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
805 |
// we call stub code and there is no safepoint on this path. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
806 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
807 |
// Load parameters |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
808 |
const Register crc = rax; // crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
809 |
const Register buf = rdx; // source java byte array address |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
810 |
const Register len = rdi; // length |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
811 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
812 |
// Arguments are reversed on java expression stack |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
813 |
__ movl(len, Address(rsp, wordSize)); // Length |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
814 |
// Calculate address of start element |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
815 |
if (kind == Interpreter::java_util_zip_CRC32_updateByteBuffer) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
816 |
__ movptr(buf, Address(rsp, 3*wordSize)); // long buf |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
817 |
__ addptr(buf, Address(rsp, 2*wordSize)); // + offset |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
818 |
__ movl(crc, Address(rsp, 5*wordSize)); // Initial CRC |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
819 |
} else { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
820 |
__ movptr(buf, Address(rsp, 3*wordSize)); // byte[] array |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
821 |
__ addptr(buf, arrayOopDesc::base_offset_in_bytes(T_BYTE)); // + header size |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
822 |
__ addptr(buf, Address(rsp, 2*wordSize)); // + offset |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
823 |
__ movl(crc, Address(rsp, 4*wordSize)); // Initial CRC |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
824 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
825 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
826 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, StubRoutines::updateBytesCRC32()), crc, buf, len); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
827 |
// result in rax |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
828 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
829 |
// _areturn |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
830 |
__ pop(rdi); // get return address |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
831 |
__ mov(rsp, rsi); // set sp to sender sp |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
832 |
__ jmp(rdi); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
833 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
834 |
// generate a vanilla native entry as the slow path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
835 |
__ bind(slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
836 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
837 |
(void) generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
838 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
839 |
return entry; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
840 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
841 |
return generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
842 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
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diff
changeset
|
843 |
|
1 | 844 |
// |
845 |
// Interpreter stub for calling a native method. (asm interpreter) |
|
846 |
// This sets up a somewhat different looking stack for calling the native method |
|
847 |
// than the typical interpreter frame setup. |
|
848 |
// |
|
849 |
||
850 |
address InterpreterGenerator::generate_native_entry(bool synchronized) { |
|
851 |
// determine code generation flags |
|
852 |
bool inc_counter = UseCompiler || CountCompiledCalls; |
|
853 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
854 |
// rbx,: Method* |
1 | 855 |
// rsi: sender sp |
856 |
// rsi: previous interpreter state (C++ interpreter) must preserve |
|
857 |
address entry_point = __ pc(); |
|
858 |
||
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
859 |
const Address constMethod (rbx, Method::const_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
860 |
const Address access_flags (rbx, Method::access_flags_offset()); |
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
861 |
const Address size_of_parameters(rcx, ConstMethod::size_of_parameters_offset()); |
1 | 862 |
|
863 |
// get parameter size (always needed) |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
864 |
__ movptr(rcx, constMethod); |
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
1909
diff
changeset
|
865 |
__ load_unsigned_short(rcx, size_of_parameters); |
1 | 866 |
|
867 |
// native calls don't need the stack size check since they have no expression stack |
|
868 |
// and the arguments are already on the stack and we only add a handful of words |
|
869 |
// to the stack |
|
870 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
871 |
// rbx,: Method* |
1 | 872 |
// rcx: size of parameters |
873 |
// rsi: sender sp |
|
874 |
||
1066 | 875 |
__ pop(rax); // get return address |
1 | 876 |
// for natives the size of locals is zero |
877 |
||
878 |
// compute beginning of parameters (rdi) |
|
1066 | 879 |
__ lea(rdi, Address(rsp, rcx, Interpreter::stackElementScale(), -wordSize)); |
1 | 880 |
|
881 |
||
882 |
// add 2 zero-initialized slots for native calls |
|
883 |
// NULL result handler |
|
1066 | 884 |
__ push((int32_t)NULL_WORD); |
1 | 885 |
// NULL oop temp (mirror or jni oop result) |
1066 | 886 |
__ push((int32_t)NULL_WORD); |
1 | 887 |
|
888 |
// initialize fixed part of activation frame |
|
889 |
generate_fixed_frame(true); |
|
890 |
||
891 |
// make sure method is native & not abstract |
|
892 |
#ifdef ASSERT |
|
893 |
__ movl(rax, access_flags); |
|
894 |
{ |
|
895 |
Label L; |
|
896 |
__ testl(rax, JVM_ACC_NATIVE); |
|
897 |
__ jcc(Assembler::notZero, L); |
|
898 |
__ stop("tried to execute non-native method as native"); |
|
899 |
__ bind(L); |
|
900 |
} |
|
901 |
{ Label L; |
|
902 |
__ testl(rax, JVM_ACC_ABSTRACT); |
|
903 |
__ jcc(Assembler::zero, L); |
|
904 |
__ stop("tried to execute abstract method in interpreter"); |
|
905 |
__ bind(L); |
|
906 |
} |
|
907 |
#endif |
|
908 |
||
909 |
// Since at this point in the method invocation the exception handler |
|
910 |
// would try to exit the monitor of synchronized methods which hasn't |
|
911 |
// been entered yet, we set the thread local variable |
|
912 |
// _do_not_unlock_if_synchronized to true. The remove_activation will |
|
913 |
// check this flag. |
|
914 |
||
915 |
__ get_thread(rax); |
|
916 |
const Address do_not_unlock_if_synchronized(rax, |
|
917 |
in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); |
|
918 |
__ movbool(do_not_unlock_if_synchronized, true); |
|
919 |
||
920 |
// increment invocation count & check for overflow |
|
921 |
Label invocation_counter_overflow; |
|
922 |
if (inc_counter) { |
|
923 |
generate_counter_incr(&invocation_counter_overflow, NULL, NULL); |
|
924 |
} |
|
925 |
||
926 |
Label continue_after_compile; |
|
927 |
__ bind(continue_after_compile); |
|
928 |
||
929 |
bang_stack_shadow_pages(true); |
|
930 |
||
931 |
// reset the _do_not_unlock_if_synchronized flag |
|
932 |
__ get_thread(rax); |
|
933 |
__ movbool(do_not_unlock_if_synchronized, false); |
|
934 |
||
935 |
// check for synchronized methods |
|
936 |
// Must happen AFTER invocation_counter check and stack overflow check, |
|
937 |
// so method is not locked if overflows. |
|
938 |
// |
|
939 |
if (synchronized) { |
|
940 |
lock_method(); |
|
941 |
} else { |
|
942 |
// no synchronization necessary |
|
943 |
#ifdef ASSERT |
|
944 |
{ Label L; |
|
945 |
__ movl(rax, access_flags); |
|
946 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
947 |
__ jcc(Assembler::zero, L); |
|
948 |
__ stop("method needs synchronization"); |
|
949 |
__ bind(L); |
|
950 |
} |
|
951 |
#endif |
|
952 |
} |
|
953 |
||
954 |
// start execution |
|
955 |
#ifdef ASSERT |
|
956 |
{ Label L; |
|
957 |
const Address monitor_block_top (rbp, |
|
958 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
1066 | 959 |
__ movptr(rax, monitor_block_top); |
960 |
__ cmpptr(rax, rsp); |
|
1 | 961 |
__ jcc(Assembler::equal, L); |
962 |
__ stop("broken stack frame setup in interpreter"); |
|
963 |
__ bind(L); |
|
964 |
} |
|
965 |
#endif |
|
966 |
||
967 |
// jvmti/dtrace support |
|
968 |
__ notify_method_entry(); |
|
969 |
||
970 |
// work registers |
|
971 |
const Register method = rbx; |
|
972 |
const Register thread = rdi; |
|
973 |
const Register t = rcx; |
|
974 |
||
975 |
// allocate space for parameters |
|
976 |
__ get_method(method); |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
977 |
__ movptr(t, Address(method, Method::const_offset())); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
978 |
__ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset())); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
979 |
|
5419 | 980 |
__ shlptr(t, Interpreter::logStackElementSize); |
1066 | 981 |
__ addptr(t, 2*wordSize); // allocate two more slots for JNIEnv and possible mirror |
982 |
__ subptr(rsp, t); |
|
983 |
__ andptr(rsp, -(StackAlignmentInBytes)); // gcc needs 16 byte aligned stacks to do XMM intrinsics |
|
1 | 984 |
|
985 |
// get signature handler |
|
986 |
{ Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
987 |
__ movptr(t, Address(method, Method::signature_handler_offset())); |
1066 | 988 |
__ testptr(t, t); |
1 | 989 |
__ jcc(Assembler::notZero, L); |
990 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::prepare_native_call), method); |
|
991 |
__ get_method(method); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
992 |
__ movptr(t, Address(method, Method::signature_handler_offset())); |
1 | 993 |
__ bind(L); |
994 |
} |
|
995 |
||
996 |
// call signature handler |
|
997 |
assert(InterpreterRuntime::SignatureHandlerGenerator::from() == rdi, "adjust this code"); |
|
998 |
assert(InterpreterRuntime::SignatureHandlerGenerator::to () == rsp, "adjust this code"); |
|
999 |
assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == t , "adjust this code"); |
|
1000 |
// The generated handlers do not touch RBX (the method oop). |
|
1001 |
// However, large signatures cannot be cached and are generated |
|
1002 |
// each time here. The slow-path generator will blow RBX |
|
1003 |
// sometime, so we must reload it after the call. |
|
1004 |
__ call(t); |
|
1005 |
__ get_method(method); // slow path call blows RBX on DevStudio 5.0 |
|
1006 |
||
1007 |
// result handler is in rax, |
|
1008 |
// set result handler |
|
1066 | 1009 |
__ movptr(Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize), rax); |
1 | 1010 |
|
1011 |
// pass mirror handle if static call |
|
1012 |
{ Label L; |
|
11430
718fc06da49a
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
10966
diff
changeset
|
1013 |
const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1014 |
__ movl(t, Address(method, Method::access_flags_offset())); |
1 | 1015 |
__ testl(t, JVM_ACC_STATIC); |
1016 |
__ jcc(Assembler::zero, L); |
|
1017 |
// get mirror |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1018 |
__ movptr(t, Address(method, Method:: const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1019 |
__ movptr(t, Address(t, ConstMethod::constants_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1020 |
__ movptr(t, Address(t, ConstantPool::pool_holder_offset_in_bytes())); |
1066 | 1021 |
__ movptr(t, Address(t, mirror_offset)); |
1 | 1022 |
// copy mirror into activation frame |
1066 | 1023 |
__ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), t); |
1 | 1024 |
// pass handle to mirror |
1066 | 1025 |
__ lea(t, Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); |
1026 |
__ movptr(Address(rsp, wordSize), t); |
|
1 | 1027 |
__ bind(L); |
1028 |
} |
|
1029 |
||
1030 |
// get native function entry point |
|
1031 |
{ Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1032 |
__ movptr(rax, Address(method, Method::native_function_offset())); |
1 | 1033 |
ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
1066 | 1034 |
__ cmpptr(rax, unsatisfied.addr()); |
1 | 1035 |
__ jcc(Assembler::notEqual, L); |
1036 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::prepare_native_call), method); |
|
1037 |
__ get_method(method); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1038 |
__ movptr(rax, Address(method, Method::native_function_offset())); |
1 | 1039 |
__ bind(L); |
1040 |
} |
|
1041 |
||
1042 |
// pass JNIEnv |
|
1043 |
__ get_thread(thread); |
|
1066 | 1044 |
__ lea(t, Address(thread, JavaThread::jni_environment_offset())); |
1045 |
__ movptr(Address(rsp, 0), t); |
|
1 | 1046 |
|
1047 |
// set_last_Java_frame_before_call |
|
1048 |
// It is enough that the pc() |
|
1049 |
// points into the right code segment. It does not have to be the correct return pc. |
|
1050 |
__ set_last_Java_frame(thread, noreg, rbp, __ pc()); |
|
1051 |
||
1052 |
// change thread state |
|
1053 |
#ifdef ASSERT |
|
1054 |
{ Label L; |
|
1055 |
__ movl(t, Address(thread, JavaThread::thread_state_offset())); |
|
1056 |
__ cmpl(t, _thread_in_Java); |
|
1057 |
__ jcc(Assembler::equal, L); |
|
1058 |
__ stop("Wrong thread state in native stub"); |
|
1059 |
__ bind(L); |
|
1060 |
} |
|
1061 |
#endif |
|
1062 |
||
1063 |
// Change state to native |
|
1064 |
__ movl(Address(thread, JavaThread::thread_state_offset()), _thread_in_native); |
|
1065 |
__ call(rax); |
|
1066 |
||
1067 |
// result potentially in rdx:rax or ST0 |
|
1068 |
||
16624
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
15943
diff
changeset
|
1069 |
// Verify or restore cpu control state after JNI call |
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
15943
diff
changeset
|
1070 |
__ restore_cpu_control_state_after_jni(); |
1 | 1071 |
|
1072 |
// save potential result in ST(0) & rdx:rax |
|
1073 |
// (if result handler is the T_FLOAT or T_DOUBLE handler, result must be in ST0 - |
|
1074 |
// the check is necessary to avoid potential Intel FPU overflow problems by saving/restoring 'empty' FPU registers) |
|
1075 |
// It is safe to do this push because state is _thread_in_native and return address will be found |
|
1076 |
// via _last_native_pc and not via _last_jave_sp |
|
1077 |
||
1078 |
// NOTE: the order of theses push(es) is known to frame::interpreter_frame_result. |
|
1079 |
// If the order changes or anything else is added to the stack the code in |
|
1080 |
// interpreter_frame_result will have to be changed. |
|
1081 |
||
1082 |
{ Label L; |
|
1083 |
Label push_double; |
|
1084 |
ExternalAddress float_handler(AbstractInterpreter::result_handler(T_FLOAT)); |
|
1085 |
ExternalAddress double_handler(AbstractInterpreter::result_handler(T_DOUBLE)); |
|
1086 |
__ cmpptr(Address(rbp, (frame::interpreter_frame_oop_temp_offset + 1)*wordSize), |
|
1087 |
float_handler.addr()); |
|
1088 |
__ jcc(Assembler::equal, push_double); |
|
1089 |
__ cmpptr(Address(rbp, (frame::interpreter_frame_oop_temp_offset + 1)*wordSize), |
|
1090 |
double_handler.addr()); |
|
1091 |
__ jcc(Assembler::notEqual, L); |
|
1092 |
__ bind(push_double); |
|
1093 |
__ push(dtos); |
|
1094 |
__ bind(L); |
|
1095 |
} |
|
1096 |
__ push(ltos); |
|
1097 |
||
1098 |
// change thread state |
|
1099 |
__ get_thread(thread); |
|
1100 |
__ movl(Address(thread, JavaThread::thread_state_offset()), _thread_in_native_trans); |
|
1101 |
if(os::is_MP()) { |
|
1102 |
if (UseMembar) { |
|
1066 | 1103 |
// Force this write out before the read below |
1104 |
__ membar(Assembler::Membar_mask_bits( |
|
1105 |
Assembler::LoadLoad | Assembler::LoadStore | |
|
1106 |
Assembler::StoreLoad | Assembler::StoreStore)); |
|
1 | 1107 |
} else { |
1108 |
// Write serialization page so VM thread can do a pseudo remote membar. |
|
1109 |
// We use the current thread pointer to calculate a thread specific |
|
1110 |
// offset to write to within the page. This minimizes bus traffic |
|
1111 |
// due to cache line collision. |
|
1112 |
__ serialize_memory(thread, rcx); |
|
1113 |
} |
|
1114 |
} |
|
1115 |
||
1116 |
if (AlwaysRestoreFPU) { |
|
1117 |
// Make sure the control word is correct. |
|
1118 |
__ fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_std())); |
|
1119 |
} |
|
1120 |
||
1121 |
// check for safepoint operation in progress and/or pending suspend requests |
|
1122 |
{ Label Continue; |
|
1123 |
||
1124 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
|
1125 |
SafepointSynchronize::_not_synchronized); |
|
1126 |
||
1127 |
Label L; |
|
1128 |
__ jcc(Assembler::notEqual, L); |
|
1129 |
__ cmpl(Address(thread, JavaThread::suspend_flags_offset()), 0); |
|
1130 |
__ jcc(Assembler::equal, Continue); |
|
1131 |
__ bind(L); |
|
1132 |
||
1133 |
// Don't use call_VM as it will see a possible pending exception and forward it |
|
1134 |
// and never return here preventing us from clearing _last_native_pc down below. |
|
1135 |
// Also can't use call_VM_leaf either as it will check to see if rsi & rdi are |
|
1136 |
// preserved and correspond to the bcp/locals pointers. So we do a runtime call |
|
1137 |
// by hand. |
|
1138 |
// |
|
1066 | 1139 |
__ push(thread); |
1 | 1140 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, |
1141 |
JavaThread::check_special_condition_for_native_trans))); |
|
1142 |
__ increment(rsp, wordSize); |
|
1143 |
__ get_thread(thread); |
|
1144 |
||
1145 |
__ bind(Continue); |
|
1146 |
} |
|
1147 |
||
1148 |
// change thread state |
|
1149 |
__ movl(Address(thread, JavaThread::thread_state_offset()), _thread_in_Java); |
|
1150 |
||
1151 |
__ reset_last_Java_frame(thread, true, true); |
|
1152 |
||
1153 |
// reset handle block |
|
1066 | 1154 |
__ movptr(t, Address(thread, JavaThread::active_handles_offset())); |
23844
0c29a324ae14
8039146: Fix 64-bit store to int JNIHandleBlock::_top
goetz
parents:
21198
diff
changeset
|
1155 |
__ movl(Address(t, JNIHandleBlock::top_offset_in_bytes()), NULL_WORD); |
1 | 1156 |
|
1157 |
// If result was an oop then unbox and save it in the frame |
|
1158 |
{ Label L; |
|
1159 |
Label no_oop, store_result; |
|
1160 |
ExternalAddress handler(AbstractInterpreter::result_handler(T_OBJECT)); |
|
1161 |
__ cmpptr(Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize), |
|
1162 |
handler.addr()); |
|
1163 |
__ jcc(Assembler::notEqual, no_oop); |
|
1066 | 1164 |
__ cmpptr(Address(rsp, 0), (int32_t)NULL_WORD); |
1 | 1165 |
__ pop(ltos); |
1066 | 1166 |
__ testptr(rax, rax); |
1 | 1167 |
__ jcc(Assembler::zero, store_result); |
1168 |
// unbox |
|
1066 | 1169 |
__ movptr(rax, Address(rax, 0)); |
1 | 1170 |
__ bind(store_result); |
1066 | 1171 |
__ movptr(Address(rbp, (frame::interpreter_frame_oop_temp_offset)*wordSize), rax); |
1 | 1172 |
// keep stack depth as expected by pushing oop which will eventually be discarded |
1173 |
__ push(ltos); |
|
1174 |
__ bind(no_oop); |
|
1175 |
} |
|
1176 |
||
1177 |
{ |
|
1178 |
Label no_reguard; |
|
1179 |
__ cmpl(Address(thread, JavaThread::stack_guard_state_offset()), JavaThread::stack_guard_yellow_disabled); |
|
1180 |
__ jcc(Assembler::notEqual, no_reguard); |
|
1181 |
||
1066 | 1182 |
__ pusha(); |
1 | 1183 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
1066 | 1184 |
__ popa(); |
1 | 1185 |
|
1186 |
__ bind(no_reguard); |
|
1187 |
} |
|
1188 |
||
1189 |
// restore rsi to have legal interpreter frame, |
|
1190 |
// i.e., bci == 0 <=> rsi == code_base() |
|
1191 |
// Can't call_VM until bcp is within reasonable. |
|
1192 |
__ get_method(method); // method is junk from thread_in_native to now. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1193 |
__ movptr(rsi, Address(method,Method::const_offset())); // get ConstMethod* |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1194 |
__ lea(rsi, Address(rsi,ConstMethod::codes_offset())); // get codebase |
1 | 1195 |
|
1196 |
// handle exceptions (exception handling will handle unlocking!) |
|
1197 |
{ Label L; |
|
1066 | 1198 |
__ cmpptr(Address(thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
1 | 1199 |
__ jcc(Assembler::zero, L); |
1200 |
// Note: At some point we may want to unify this with the code used in call_VM_base(); |
|
1201 |
// i.e., we should use the StubRoutines::forward_exception code. For now this |
|
1202 |
// doesn't work here because the rsp is not correctly set at this point. |
|
1203 |
__ MacroAssembler::call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_pending_exception)); |
|
1204 |
__ should_not_reach_here(); |
|
1205 |
__ bind(L); |
|
1206 |
} |
|
1207 |
||
1208 |
// do unlocking if necessary |
|
1209 |
{ Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1210 |
__ movl(t, Address(method, Method::access_flags_offset())); |
1 | 1211 |
__ testl(t, JVM_ACC_SYNCHRONIZED); |
1212 |
__ jcc(Assembler::zero, L); |
|
1213 |
// the code below should be shared with interpreter macro assembler implementation |
|
1214 |
{ Label unlock; |
|
1215 |
// BasicObjectLock will be first in list, since this is a synchronized method. However, need |
|
1216 |
// to check that the object has not been unlocked by an explicit monitorexit bytecode. |
|
1217 |
const Address monitor(rbp, frame::interpreter_frame_initial_sp_offset * wordSize - (int)sizeof(BasicObjectLock)); |
|
1218 |
||
1066 | 1219 |
__ lea(rdx, monitor); // address of first monitor |
1 | 1220 |
|
1066 | 1221 |
__ movptr(t, Address(rdx, BasicObjectLock::obj_offset_in_bytes())); |
1222 |
__ testptr(t, t); |
|
1 | 1223 |
__ jcc(Assembler::notZero, unlock); |
1224 |
||
1225 |
// Entry already unlocked, need to throw exception |
|
1226 |
__ MacroAssembler::call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception)); |
|
1227 |
__ should_not_reach_here(); |
|
1228 |
||
1229 |
__ bind(unlock); |
|
1230 |
__ unlock_object(rdx); |
|
1231 |
} |
|
1232 |
__ bind(L); |
|
1233 |
} |
|
1234 |
||
1235 |
// jvmti/dtrace support |
|
1236 |
// Note: This must happen _after_ handling/throwing any exceptions since |
|
1237 |
// the exception handler code notifies the runtime of method exits |
|
1238 |
// too. If this happens before, method entry/exit notifications are |
|
1239 |
// not properly paired (was bug - gri 11/22/99). |
|
1240 |
__ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); |
|
1241 |
||
1242 |
// restore potential result in rdx:rax, call result handler to restore potential result in ST0 & handle result |
|
1243 |
__ pop(ltos); |
|
1066 | 1244 |
__ movptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
1 | 1245 |
__ call(t); |
1246 |
||
1247 |
// remove activation |
|
1066 | 1248 |
__ movptr(t, Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize)); // get sender sp |
1 | 1249 |
__ leave(); // remove frame anchor |
1066 | 1250 |
__ pop(rdi); // get return address |
1251 |
__ mov(rsp, t); // set sp to sender sp |
|
1 | 1252 |
__ jmp(rdi); |
1253 |
||
1254 |
if (inc_counter) { |
|
1255 |
// Handle overflow of counter and compile method |
|
1256 |
__ bind(invocation_counter_overflow); |
|
1257 |
generate_counter_overflow(&continue_after_compile); |
|
1258 |
} |
|
1259 |
||
1260 |
return entry_point; |
|
1261 |
} |
|
1262 |
||
1263 |
// |
|
1264 |
// Generic interpreted method entry to (asm) interpreter |
|
1265 |
// |
|
1266 |
address InterpreterGenerator::generate_normal_entry(bool synchronized) { |
|
1267 |
// determine code generation flags |
|
1268 |
bool inc_counter = UseCompiler || CountCompiledCalls; |
|
1269 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1270 |
// rbx,: Method* |
1 | 1271 |
// rsi: sender sp |
1272 |
address entry_point = __ pc(); |
|
1273 |
||
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1274 |
const Address constMethod (rbx, Method::const_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1275 |
const Address access_flags (rbx, Method::access_flags_offset()); |
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1276 |
const Address size_of_parameters(rdx, ConstMethod::size_of_parameters_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1277 |
const Address size_of_locals (rdx, ConstMethod::size_of_locals_offset()); |
1 | 1278 |
|
1279 |
// get parameter size (always needed) |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1280 |
__ movptr(rdx, constMethod); |
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
1909
diff
changeset
|
1281 |
__ load_unsigned_short(rcx, size_of_parameters); |
1 | 1282 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1283 |
// rbx,: Method* |
1 | 1284 |
// rcx: size of parameters |
1285 |
||
1286 |
// rsi: sender_sp (could differ from sp+wordSize if we were called via c2i ) |
|
1287 |
||
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
1909
diff
changeset
|
1288 |
__ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
1 | 1289 |
__ subl(rdx, rcx); // rdx = no. of additional locals |
1290 |
||
1291 |
// see if we've got enough room on the stack for locals plus overhead. |
|
1292 |
generate_stack_overflow_check(); |
|
1293 |
||
1294 |
// get return address |
|
1066 | 1295 |
__ pop(rax); |
1 | 1296 |
|
1297 |
// compute beginning of parameters (rdi) |
|
1066 | 1298 |
__ lea(rdi, Address(rsp, rcx, Interpreter::stackElementScale(), -wordSize)); |
1 | 1299 |
|
1300 |
// rdx - # of additional locals |
|
1301 |
// allocate space for locals |
|
1302 |
// explicitly initialize locals |
|
1303 |
{ |
|
1304 |
Label exit, loop; |
|
1305 |
__ testl(rdx, rdx); |
|
1306 |
__ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 |
|
1307 |
__ bind(loop); |
|
1066 | 1308 |
__ push((int32_t)NULL_WORD); // initialize local variables |
1 | 1309 |
__ decrement(rdx); // until everything initialized |
1310 |
__ jcc(Assembler::greater, loop); |
|
1311 |
__ bind(exit); |
|
1312 |
} |
|
1313 |
||
1314 |
// initialize fixed part of activation frame |
|
1315 |
generate_fixed_frame(false); |
|
1316 |
||
1317 |
// make sure method is not native & not abstract |
|
1318 |
#ifdef ASSERT |
|
1319 |
__ movl(rax, access_flags); |
|
1320 |
{ |
|
1321 |
Label L; |
|
1322 |
__ testl(rax, JVM_ACC_NATIVE); |
|
1323 |
__ jcc(Assembler::zero, L); |
|
1324 |
__ stop("tried to execute native method as non-native"); |
|
1325 |
__ bind(L); |
|
1326 |
} |
|
1327 |
{ Label L; |
|
1328 |
__ testl(rax, JVM_ACC_ABSTRACT); |
|
1329 |
__ jcc(Assembler::zero, L); |
|
1330 |
__ stop("tried to execute abstract method in interpreter"); |
|
1331 |
__ bind(L); |
|
1332 |
} |
|
1333 |
#endif |
|
1334 |
||
1335 |
// Since at this point in the method invocation the exception handler |
|
1336 |
// would try to exit the monitor of synchronized methods which hasn't |
|
1337 |
// been entered yet, we set the thread local variable |
|
1338 |
// _do_not_unlock_if_synchronized to true. The remove_activation will |
|
1339 |
// check this flag. |
|
1340 |
||
1341 |
__ get_thread(rax); |
|
1342 |
const Address do_not_unlock_if_synchronized(rax, |
|
1343 |
in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); |
|
1344 |
__ movbool(do_not_unlock_if_synchronized, true); |
|
1345 |
||
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1346 |
__ profile_parameters_type(rax, rcx, rdx); |
1 | 1347 |
// increment invocation count & check for overflow |
1348 |
Label invocation_counter_overflow; |
|
1349 |
Label profile_method; |
|
1350 |
Label profile_method_continue; |
|
1351 |
if (inc_counter) { |
|
1352 |
generate_counter_incr(&invocation_counter_overflow, &profile_method, &profile_method_continue); |
|
1353 |
if (ProfileInterpreter) { |
|
1354 |
__ bind(profile_method_continue); |
|
1355 |
} |
|
1356 |
} |
|
1357 |
Label continue_after_compile; |
|
1358 |
__ bind(continue_after_compile); |
|
1359 |
||
1360 |
bang_stack_shadow_pages(false); |
|
1361 |
||
1362 |
// reset the _do_not_unlock_if_synchronized flag |
|
1363 |
__ get_thread(rax); |
|
1364 |
__ movbool(do_not_unlock_if_synchronized, false); |
|
1365 |
||
1366 |
// check for synchronized methods |
|
1367 |
// Must happen AFTER invocation_counter check and stack overflow check, |
|
1368 |
// so method is not locked if overflows. |
|
1369 |
// |
|
1370 |
if (synchronized) { |
|
1371 |
// Allocate monitor and lock method |
|
1372 |
lock_method(); |
|
1373 |
} else { |
|
1374 |
// no synchronization necessary |
|
1375 |
#ifdef ASSERT |
|
1376 |
{ Label L; |
|
1377 |
__ movl(rax, access_flags); |
|
1378 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
1379 |
__ jcc(Assembler::zero, L); |
|
1380 |
__ stop("method needs synchronization"); |
|
1381 |
__ bind(L); |
|
1382 |
} |
|
1383 |
#endif |
|
1384 |
} |
|
1385 |
||
1386 |
// start execution |
|
1387 |
#ifdef ASSERT |
|
1388 |
{ Label L; |
|
1389 |
const Address monitor_block_top (rbp, |
|
1390 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
1066 | 1391 |
__ movptr(rax, monitor_block_top); |
1392 |
__ cmpptr(rax, rsp); |
|
1 | 1393 |
__ jcc(Assembler::equal, L); |
1394 |
__ stop("broken stack frame setup in interpreter"); |
|
1395 |
__ bind(L); |
|
1396 |
} |
|
1397 |
#endif |
|
1398 |
||
1399 |
// jvmti support |
|
1400 |
__ notify_method_entry(); |
|
1401 |
||
1402 |
__ dispatch_next(vtos); |
|
1403 |
||
1404 |
// invocation counter overflow |
|
1405 |
if (inc_counter) { |
|
1406 |
if (ProfileInterpreter) { |
|
1407 |
// We have decided to profile this method in the interpreter |
|
1408 |
__ bind(profile_method); |
|
7889
02144432d0e1
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
7397
diff
changeset
|
1409 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
02144432d0e1
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
7397
diff
changeset
|
1410 |
__ set_method_data_pointer_for_bcp(); |
7912
6d73dee171ea
7012766: assert(false) failed: DEBUG MESSAGE in MacroAssembler::debug32
iveresov
parents:
7889
diff
changeset
|
1411 |
__ get_method(rbx); |
1 | 1412 |
__ jmp(profile_method_continue); |
1413 |
} |
|
1414 |
// Handle overflow of counter and compile method |
|
1415 |
__ bind(invocation_counter_overflow); |
|
1416 |
generate_counter_overflow(&continue_after_compile); |
|
1417 |
} |
|
1418 |
||
1419 |
return entry_point; |
|
1420 |
} |
|
1421 |
||
1422 |
||
4645
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1423 |
// These should never be compiled since the interpreter will prefer |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1424 |
// the compiled version to the intrinsic version. |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1425 |
bool AbstractInterpreter::can_be_compiled(methodHandle m) { |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1426 |
switch (method_kind(m)) { |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1427 |
case Interpreter::java_lang_math_sin : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1428 |
case Interpreter::java_lang_math_cos : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1429 |
case Interpreter::java_lang_math_tan : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1430 |
case Interpreter::java_lang_math_abs : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1431 |
case Interpreter::java_lang_math_log : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1432 |
case Interpreter::java_lang_math_log10 : // fall thru |
12739
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1433 |
case Interpreter::java_lang_math_sqrt : // fall thru |
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1434 |
case Interpreter::java_lang_math_pow : // fall thru |
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1435 |
case Interpreter::java_lang_math_exp : |
4645
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1436 |
return false; |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1437 |
default: |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1438 |
return true; |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1439 |
} |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1440 |
} |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1441 |
|
1 | 1442 |
// How much stack a method activation needs in words. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1443 |
int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
1 | 1444 |
|
1445 |
const int stub_code = 4; // see generate_call_stub |
|
1446 |
// Save space for one monitor to get into the interpreted method in case |
|
1447 |
// the method is synchronized |
|
1448 |
int monitor_size = method->is_synchronized() ? |
|
1449 |
1*frame::interpreter_frame_monitor_size() : 0; |
|
1450 |
||
1451 |
// total overhead size: entry_size + (saved rbp, thru expr stack bottom). |
|
1452 |
// be sure to change this if you add/subtract anything to/from the overhead area |
|
1453 |
const int overhead_size = -frame::interpreter_frame_initial_sp_offset; |
|
1454 |
||
17875
9d4aa49a1d76
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
17037
diff
changeset
|
1455 |
const int method_stack = (method->max_locals() + method->max_stack()) * |
5419 | 1456 |
Interpreter::stackElementWords; |
1 | 1457 |
return overhead_size + method_stack + stub_code; |
1458 |
} |
|
1459 |
||
1460 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1461 |
// Exceptions |
|
1462 |
||
1463 |
void TemplateInterpreterGenerator::generate_throw_exception() { |
|
1464 |
// Entry point in previous activation (i.e., if the caller was interpreted) |
|
1465 |
Interpreter::_rethrow_exception_entry = __ pc(); |
|
5046 | 1466 |
const Register thread = rcx; |
1 | 1467 |
|
1468 |
// Restore sp to interpreter_frame_last_sp even though we are going |
|
1469 |
// to empty the expression stack for the exception processing. |
|
1888
bbf498fb4354
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
1217
diff
changeset
|
1470 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); |
1 | 1471 |
// rax,: exception |
1472 |
// rdx: return address/pc that threw exception |
|
1473 |
__ restore_bcp(); // rsi points to call/send |
|
1474 |
__ restore_locals(); |
|
1475 |
||
1476 |
// Entry point for exceptions thrown within interpreter code |
|
1477 |
Interpreter::_throw_exception_entry = __ pc(); |
|
1478 |
// expression stack is undefined here |
|
1479 |
// rax,: exception |
|
1480 |
// rsi: exception bcp |
|
1481 |
__ verify_oop(rax); |
|
1482 |
||
1483 |
// expression stack must be empty before entering the VM in case of an exception |
|
1484 |
__ empty_expression_stack(); |
|
1485 |
__ empty_FPU_stack(); |
|
1486 |
// find exception handler address and preserve exception oop |
|
1487 |
__ call_VM(rdx, CAST_FROM_FN_PTR(address, InterpreterRuntime::exception_handler_for_exception), rax); |
|
1488 |
// rax,: exception handler entry point |
|
1489 |
// rdx: preserved exception oop |
|
1490 |
// rsi: bcp for exception handler |
|
1491 |
__ push_ptr(rdx); // push exception which is now the only value on the stack |
|
1492 |
__ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) |
|
1493 |
||
1494 |
// If the exception is not handled in the current frame the frame is removed and |
|
1495 |
// the exception is rethrown (i.e. exception continuation is _rethrow_exception). |
|
1496 |
// |
|
1497 |
// Note: At this point the bci is still the bxi for the instruction which caused |
|
1498 |
// the exception and the expression stack is empty. Thus, for any VM calls |
|
1499 |
// at this point, GC will find a legal oop map (with empty expression stack). |
|
1500 |
||
1501 |
// In current activation |
|
1502 |
// tos: exception |
|
1503 |
// rsi: exception bcp |
|
1504 |
||
1505 |
// |
|
1506 |
// JVMTI PopFrame support |
|
1507 |
// |
|
1508 |
||
1509 |
Interpreter::_remove_activation_preserving_args_entry = __ pc(); |
|
1510 |
__ empty_expression_stack(); |
|
1511 |
__ empty_FPU_stack(); |
|
1512 |
// Set the popframe_processing bit in pending_popframe_condition indicating that we are |
|
1513 |
// currently handling popframe, so that call_VMs that may happen later do not trigger new |
|
1514 |
// popframe handling cycles. |
|
5046 | 1515 |
__ get_thread(thread); |
1516 |
__ movl(rdx, Address(thread, JavaThread::popframe_condition_offset())); |
|
1 | 1517 |
__ orl(rdx, JavaThread::popframe_processing_bit); |
5046 | 1518 |
__ movl(Address(thread, JavaThread::popframe_condition_offset()), rdx); |
1 | 1519 |
|
1520 |
{ |
|
1521 |
// Check to see whether we are returning to a deoptimized frame. |
|
1522 |
// (The PopFrame call ensures that the caller of the popped frame is |
|
1523 |
// either interpreted or compiled and deoptimizes it if compiled.) |
|
1524 |
// In this case, we can't call dispatch_next() after the frame is |
|
1525 |
// popped, but instead must save the incoming arguments and restore |
|
1526 |
// them after deoptimization has occurred. |
|
1527 |
// |
|
1528 |
// Note that we don't compare the return PC against the |
|
1529 |
// deoptimization blob's unpack entry because of the presence of |
|
1530 |
// adapter frames in C2. |
|
1531 |
Label caller_not_deoptimized; |
|
1066 | 1532 |
__ movptr(rdx, Address(rbp, frame::return_addr_offset * wordSize)); |
1 | 1533 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::interpreter_contains), rdx); |
1534 |
__ testl(rax, rax); |
|
1535 |
__ jcc(Assembler::notZero, caller_not_deoptimized); |
|
1536 |
||
1537 |
// Compute size of arguments for saving when returning to deoptimized caller |
|
1538 |
__ get_method(rax); |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1539 |
__ movptr(rax, Address(rax, Method::const_offset())); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1540 |
__ load_unsigned_short(rax, Address(rax, ConstMethod::size_of_parameters_offset())); |
5419 | 1541 |
__ shlptr(rax, Interpreter::logStackElementSize); |
1 | 1542 |
__ restore_locals(); |
1066 | 1543 |
__ subptr(rdi, rax); |
1544 |
__ addptr(rdi, wordSize); |
|
1 | 1545 |
// Save these arguments |
5046 | 1546 |
__ get_thread(thread); |
1547 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, Deoptimization::popframe_preserve_args), thread, rax, rdi); |
|
1 | 1548 |
|
1549 |
__ remove_activation(vtos, rdx, |
|
1550 |
/* throw_monitor_exception */ false, |
|
1551 |
/* install_monitor_exception */ false, |
|
1552 |
/* notify_jvmdi */ false); |
|
1553 |
||
1554 |
// Inform deoptimization that it is responsible for restoring these arguments |
|
5046 | 1555 |
__ get_thread(thread); |
1556 |
__ movl(Address(thread, JavaThread::popframe_condition_offset()), JavaThread::popframe_force_deopt_reexecution_bit); |
|
1 | 1557 |
|
1558 |
// Continue in deoptimization handler |
|
1559 |
__ jmp(rdx); |
|
1560 |
||
1561 |
__ bind(caller_not_deoptimized); |
|
1562 |
} |
|
1563 |
||
1564 |
__ remove_activation(vtos, rdx, |
|
1565 |
/* throw_monitor_exception */ false, |
|
1566 |
/* install_monitor_exception */ false, |
|
1567 |
/* notify_jvmdi */ false); |
|
1568 |
||
1569 |
// Finish with popframe handling |
|
1570 |
// A previous I2C followed by a deoptimization might have moved the |
|
1571 |
// outgoing arguments further up the stack. PopFrame expects the |
|
1572 |
// mutations to those outgoing arguments to be preserved and other |
|
1573 |
// constraints basically require this frame to look exactly as |
|
1574 |
// though it had previously invoked an interpreted activation with |
|
1575 |
// no space between the top of the expression stack (current |
|
1576 |
// last_sp) and the top of stack. Rather than force deopt to |
|
1577 |
// maintain this kind of invariant all the time we call a small |
|
1578 |
// fixup routine to move the mutated arguments onto the top of our |
|
1579 |
// expression stack if necessary. |
|
1066 | 1580 |
__ mov(rax, rsp); |
1581 |
__ movptr(rbx, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
|
5046 | 1582 |
__ get_thread(thread); |
1 | 1583 |
// PC must point into interpreter here |
5046 | 1584 |
__ set_last_Java_frame(thread, noreg, rbp, __ pc()); |
1585 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), thread, rax, rbx); |
|
1586 |
__ get_thread(thread); |
|
1587 |
__ reset_last_Java_frame(thread, true, true); |
|
1 | 1588 |
// Restore the last_sp and null it out |
1066 | 1589 |
__ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
1888
bbf498fb4354
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
1217
diff
changeset
|
1590 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); |
1 | 1591 |
|
1592 |
__ restore_bcp(); |
|
1593 |
__ restore_locals(); |
|
1594 |
// The method data pointer was incremented already during |
|
1595 |
// call profiling. We have to restore the mdp for the current bcp. |
|
1596 |
if (ProfileInterpreter) { |
|
1597 |
__ set_method_data_pointer_for_bcp(); |
|
1598 |
} |
|
1599 |
||
1600 |
// Clear the popframe condition flag |
|
5046 | 1601 |
__ get_thread(thread); |
1602 |
__ movl(Address(thread, JavaThread::popframe_condition_offset()), JavaThread::popframe_inactive); |
|
1 | 1603 |
|
19266
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1604 |
#if INCLUDE_JVMTI |
24322 | 1605 |
{ |
19266
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1606 |
Label L_done; |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1607 |
const Register local0 = rdi; |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1608 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1609 |
__ cmpb(Address(rsi, 0), Bytecodes::_invokestatic); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1610 |
__ jcc(Assembler::notEqual, L_done); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1611 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1612 |
// The member name argument must be restored if _invokestatic is re-executed after a PopFrame call. |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1613 |
// Detect such a case in the InterpreterRuntime function and return the member name argument, or NULL. |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1614 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1615 |
__ get_method(rdx); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1616 |
__ movptr(rax, Address(local0, 0)); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1617 |
__ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::member_name_arg_or_null), rax, rdx, rsi); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1618 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1619 |
__ testptr(rax, rax); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1620 |
__ jcc(Assembler::zero, L_done); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1621 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1622 |
__ movptr(Address(rbx, 0), rax); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1623 |
__ bind(L_done); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1624 |
} |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1625 |
#endif // INCLUDE_JVMTI |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1626 |
|
1 | 1627 |
__ dispatch_next(vtos); |
1628 |
// end of PopFrame support |
|
1629 |
||
1630 |
Interpreter::_remove_activation_entry = __ pc(); |
|
1631 |
||
1632 |
// preserve exception over this code sequence |
|
1633 |
__ pop_ptr(rax); |
|
5046 | 1634 |
__ get_thread(thread); |
1635 |
__ movptr(Address(thread, JavaThread::vm_result_offset()), rax); |
|
1 | 1636 |
// remove the activation (without doing throws on illegalMonitorExceptions) |
1637 |
__ remove_activation(vtos, rdx, false, true, false); |
|
1638 |
// restore exception |
|
5046 | 1639 |
__ get_thread(thread); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1640 |
__ get_vm_result(rax, thread); |
1 | 1641 |
|
1642 |
// Inbetween activations - previous activation type unknown yet |
|
1643 |
// compute continuation point - the continuation point expects |
|
1644 |
// the following registers set up: |
|
1645 |
// |
|
5046 | 1646 |
// rax: exception |
1 | 1647 |
// rdx: return address/pc that threw exception |
1648 |
// rsp: expression stack of caller |
|
5046 | 1649 |
// rbp: rbp, of caller |
1066 | 1650 |
__ push(rax); // save exception |
1651 |
__ push(rdx); // save return address |
|
5046 | 1652 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address), thread, rdx); |
1066 | 1653 |
__ mov(rbx, rax); // save exception handler |
1654 |
__ pop(rdx); // restore return address |
|
1655 |
__ pop(rax); // restore exception |
|
1 | 1656 |
// Note that an "issuing PC" is actually the next PC after the call |
1657 |
__ jmp(rbx); // jump to exception handler of caller |
|
1658 |
} |
|
1659 |
||
1660 |
||
1661 |
// |
|
1662 |
// JVMTI ForceEarlyReturn support |
|
1663 |
// |
|
1664 |
address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { |
|
1665 |
address entry = __ pc(); |
|
5046 | 1666 |
const Register thread = rcx; |
1 | 1667 |
|
1668 |
__ restore_bcp(); |
|
1669 |
__ restore_locals(); |
|
1670 |
__ empty_expression_stack(); |
|
1671 |
__ empty_FPU_stack(); |
|
1672 |
__ load_earlyret_value(state); |
|
1673 |
||
5046 | 1674 |
__ get_thread(thread); |
1675 |
__ movptr(rcx, Address(thread, JavaThread::jvmti_thread_state_offset())); |
|
1 | 1676 |
const Address cond_addr(rcx, JvmtiThreadState::earlyret_state_offset()); |
1677 |
||
1678 |
// Clear the earlyret state |
|
1679 |
__ movl(cond_addr, JvmtiThreadState::earlyret_inactive); |
|
1680 |
||
1681 |
__ remove_activation(state, rsi, |
|
1682 |
false, /* throw_monitor_exception */ |
|
1683 |
false, /* install_monitor_exception */ |
|
1684 |
true); /* notify_jvmdi */ |
|
1685 |
__ jmp(rsi); |
|
1686 |
return entry; |
|
1687 |
} // end of ForceEarlyReturn support |
|
1688 |
||
1689 |
||
1690 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1691 |
// Helper for vtos entry point generation |
|
1692 |
||
1693 |
void TemplateInterpreterGenerator::set_vtos_entry_points (Template* t, address& bep, address& cep, address& sep, address& aep, address& iep, address& lep, address& fep, address& dep, address& vep) { |
|
1694 |
assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); |
|
1695 |
Label L; |
|
1696 |
fep = __ pc(); __ push(ftos); __ jmp(L); |
|
1697 |
dep = __ pc(); __ push(dtos); __ jmp(L); |
|
1698 |
lep = __ pc(); __ push(ltos); __ jmp(L); |
|
1699 |
aep = __ pc(); __ push(atos); __ jmp(L); |
|
1700 |
bep = cep = sep = // fall through |
|
1701 |
iep = __ pc(); __ push(itos); // fall through |
|
1702 |
vep = __ pc(); __ bind(L); // fall through |
|
1703 |
generate_and_dispatch(t); |
|
1704 |
} |
|
1705 |
||
1706 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1707 |
// Generation of individual instructions |
|
1708 |
||
1709 |
// helpers for generate_and_dispatch |
|
1710 |
||
1711 |
||
1712 |
||
1713 |
InterpreterGenerator::InterpreterGenerator(StubQueue* code) |
|
1714 |
: TemplateInterpreterGenerator(code) { |
|
1715 |
generate_all(); // down here so it can be "virtual" |
|
1716 |
} |
|
1717 |
||
1718 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1719 |
||
1720 |
// Non-product code |
|
1721 |
#ifndef PRODUCT |
|
1722 |
address TemplateInterpreterGenerator::generate_trace_code(TosState state) { |
|
1723 |
address entry = __ pc(); |
|
1724 |
||
1725 |
// prepare expression stack |
|
1066 | 1726 |
__ pop(rcx); // pop return address so expression stack is 'pure' |
1 | 1727 |
__ push(state); // save tosca |
1728 |
||
1729 |
// pass tosca registers as arguments & call tracer |
|
1730 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode), rcx, rax, rdx); |
|
1066 | 1731 |
__ mov(rcx, rax); // make sure return address is not destroyed by pop(state) |
1 | 1732 |
__ pop(state); // restore tosca |
1733 |
||
1734 |
// return |
|
1735 |
__ jmp(rcx); |
|
1736 |
||
1737 |
return entry; |
|
1738 |
} |
|
1739 |
||
1740 |
||
1741 |
void TemplateInterpreterGenerator::count_bytecode() { |
|
1066 | 1742 |
__ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); |
1 | 1743 |
} |
1744 |
||
1745 |
||
1746 |
void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { |
|
1066 | 1747 |
__ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); |
1 | 1748 |
} |
1749 |
||
1750 |
||
1751 |
void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { |
|
1752 |
__ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); |
|
1753 |
__ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); |
|
1754 |
__ orl(rbx, ((int)t->bytecode()) << BytecodePairHistogram::log2_number_of_codes); |
|
1755 |
ExternalAddress table((address) BytecodePairHistogram::_counters); |
|
1756 |
Address index(noreg, rbx, Address::times_4); |
|
1066 | 1757 |
__ incrementl(ArrayAddress(table, index)); |
1 | 1758 |
} |
1759 |
||
1760 |
||
1761 |
void TemplateInterpreterGenerator::trace_bytecode(Template* t) { |
|
1762 |
// Call a little run-time stub to avoid blow-up for each bytecode. |
|
1763 |
// The run-time runtime saves the right registers, depending on |
|
1764 |
// the tosca in-state for the given template. |
|
1765 |
assert(Interpreter::trace_code(t->tos_in()) != NULL, |
|
1766 |
"entry must have been generated"); |
|
1767 |
__ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
|
1768 |
} |
|
1769 |
||
1770 |
||
1771 |
void TemplateInterpreterGenerator::stop_interpreter_at() { |
|
1772 |
Label L; |
|
1773 |
__ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), |
|
1774 |
StopInterpreterAt); |
|
1775 |
__ jcc(Assembler::notEqual, L); |
|
1776 |
__ int3(); |
|
1777 |
__ bind(L); |
|
1778 |
} |
|
1779 |
#endif // !PRODUCT |
|
1780 |
#endif // CC_INTERP |