author | stefank |
Mon, 19 Aug 2019 11:30:03 +0200 | |
changeset 57811 | 947252a54b98 |
parent 54786 | ebf733a324d4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#include "precompiled.hpp" |
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#include "code/codeCache.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "memory/universe.hpp" |
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#include "oops/markWord.hpp" |
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#include "oops/method.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/methodHandles.hpp" |
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#include "runtime/frame.inline.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/monitorChunk.hpp" |
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#include "runtime/signature.hpp" |
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#include "runtime/stubCodeGenerator.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "vmreg_sparc.inline.hpp" |
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#ifdef COMPILER1 |
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#include "c1/c1_Runtime1.hpp" |
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#include "runtime/vframeArray.hpp" |
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#endif |
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void RegisterMap::pd_clear() { |
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if (_thread->has_last_Java_frame()) { |
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frame fr = _thread->last_frame(); |
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_window = fr.sp(); |
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} else { |
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_window = NULL; |
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} |
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_younger_window = NULL; |
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} |
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// Unified register numbering scheme: each 32-bits counts as a register |
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// number, so all the V9 registers take 2 slots. |
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const static int R_L_nums[] = {0+040,2+040,4+040,6+040,8+040,10+040,12+040,14+040}; |
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const static int R_I_nums[] = {0+060,2+060,4+060,6+060,8+060,10+060,12+060,14+060}; |
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const static int R_O_nums[] = {0+020,2+020,4+020,6+020,8+020,10+020,12+020,14+020}; |
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const static int R_G_nums[] = {0+000,2+000,4+000,6+000,8+000,10+000,12+000,14+000}; |
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static RegisterMap::LocationValidType bad_mask = 0; |
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static RegisterMap::LocationValidType R_LIO_mask = 0; |
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static bool register_map_inited = false; |
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static void register_map_init() { |
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if (!register_map_inited) { |
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register_map_inited = true; |
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int i; |
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for (i = 0; i < 8; i++) { |
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assert(R_L_nums[i] < RegisterMap::location_valid_type_size, "in first chunk"); |
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assert(R_I_nums[i] < RegisterMap::location_valid_type_size, "in first chunk"); |
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assert(R_O_nums[i] < RegisterMap::location_valid_type_size, "in first chunk"); |
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assert(R_G_nums[i] < RegisterMap::location_valid_type_size, "in first chunk"); |
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} |
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bad_mask |= (1LL << R_O_nums[6]); // SP |
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bad_mask |= (1LL << R_O_nums[7]); // cPC |
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bad_mask |= (1LL << R_I_nums[6]); // FP |
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bad_mask |= (1LL << R_I_nums[7]); // rPC |
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bad_mask |= (1LL << R_G_nums[2]); // TLS |
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bad_mask |= (1LL << R_G_nums[7]); // reserved by libthread |
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for (i = 0; i < 8; i++) { |
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R_LIO_mask |= (1LL << R_L_nums[i]); |
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R_LIO_mask |= (1LL << R_I_nums[i]); |
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R_LIO_mask |= (1LL << R_O_nums[i]); |
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} |
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} |
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} |
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address RegisterMap::pd_location(VMReg regname) const { |
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register_map_init(); |
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assert(regname->is_reg(), "sanity check"); |
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// Only the GPRs get handled this way |
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if( !regname->is_Register()) |
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return NULL; |
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// don't talk about bad registers |
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if ((bad_mask & ((LocationValidType)1 << regname->value())) != 0) { |
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return NULL; |
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} |
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// Convert to a GPR |
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Register reg; |
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int second_word = 0; |
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// 32-bit registers for in, out and local |
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if (!regname->is_concrete()) { |
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// HMM ought to return NULL for any non-concrete (odd) vmreg |
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// this all tied up in the fact we put out double oopMaps for |
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// register locations. When that is fixed we'd will return NULL |
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// (or assert here). |
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reg = regname->prev()->as_Register(); |
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second_word = sizeof(jint); |
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} else { |
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reg = regname->as_Register(); |
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} |
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if (reg->is_out()) { |
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return _younger_window == NULL ? NULL : |
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second_word + (address)&_younger_window[reg->after_save()->sp_offset_in_saved_window()]; |
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} |
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if (reg->is_local() || reg->is_in()) { |
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assert(_window != NULL, "Window should be available"); |
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return second_word + (address)&_window[reg->sp_offset_in_saved_window()]; |
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} |
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// Only the window'd GPRs get handled this way; not the globals. |
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return NULL; |
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} |
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#ifdef ASSERT |
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void RegisterMap::check_location_valid() { |
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register_map_init(); |
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assert((_location_valid[0] & bad_mask) == 0, "cannot have special locations for SP,FP,TLS,etc."); |
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} |
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#endif |
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// We are shifting windows. That means we are moving all %i to %o, |
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// getting rid of all current %l, and keeping all %g. This is only |
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// complicated if any of the location pointers for these are valid. |
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// The normal case is that everything is in its standard register window |
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// home, and _location_valid[0] is zero. In that case, this routine |
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// does exactly nothing. |
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void RegisterMap::shift_individual_registers() { |
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if (!update_map()) return; // this only applies to maps with locations |
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register_map_init(); |
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check_location_valid(); |
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LocationValidType lv = _location_valid[0]; |
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LocationValidType lv0 = lv; |
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lv &= ~R_LIO_mask; // clear %l, %o, %i regs |
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// if we cleared some non-%g locations, we may have to do some shifting |
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if (lv != lv0) { |
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// copy %i0-%i5 to %o0-%o5, if they have special locations |
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// This can happen in within stubs which spill argument registers |
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// around a dynamic link operation, such as resolve_opt_virtual_call. |
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for (int i = 0; i < 8; i++) { |
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if (lv0 & (1LL << R_I_nums[i])) { |
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_location[R_O_nums[i]] = _location[R_I_nums[i]]; |
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lv |= (1LL << R_O_nums[i]); |
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} |
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} |
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} |
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_location_valid[0] = lv; |
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check_location_valid(); |
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} |
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bool frame::safe_for_sender(JavaThread *thread) { |
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address _SP = (address) sp(); |
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address _FP = (address) fp(); |
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address _UNEXTENDED_SP = (address) unextended_sp(); |
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// sp must be within the stack |
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bool sp_safe = (_SP <= thread->stack_base()) && |
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(_SP >= thread->stack_base() - thread->stack_size()); |
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if (!sp_safe) { |
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return false; |
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} |
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// unextended sp must be within the stack and above or equal sp |
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bool unextended_sp_safe = (_UNEXTENDED_SP <= thread->stack_base()) && |
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(_UNEXTENDED_SP >= _SP); |
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if (!unextended_sp_safe) return false; |
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// an fp must be within the stack and above (but not equal) sp |
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bool fp_safe = (_FP <= thread->stack_base()) && |
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(_FP > _SP); |
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// We know sp/unextended_sp are safe only fp is questionable here |
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// If the current frame is known to the code cache then we can attempt to |
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// to construct the sender and do some validation of it. This goes a long way |
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// toward eliminating issues when we get in frame construction code |
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if (_cb != NULL ) { |
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// First check if frame is complete and tester is reliable |
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// Unfortunately we can only check frame complete for runtime stubs and nmethod |
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// other generic buffer blobs are more problematic so we just assume they are |
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// ok. adapter blobs never have a frame complete and are never ok. |
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if (!_cb->is_frame_complete_at(_pc)) { |
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if (_cb->is_compiled() || _cb->is_adapter_blob() || _cb->is_runtime_stub()) { |
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return false; |
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} |
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} |
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// Could just be some random pointer within the codeBlob |
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if (!_cb->code_contains(_pc)) { |
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return false; |
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} |
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// Entry frame checks |
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if (is_entry_frame()) { |
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// an entry frame must have a valid fp. |
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return fp_safe && is_entry_frame_valid(thread); |
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} |
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intptr_t* younger_sp = sp(); |
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intptr_t* _SENDER_SP = sender_sp(); // sender is actually just _FP |
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bool adjusted_stack = is_interpreted_frame(); |
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address sender_pc = (address)younger_sp[I7->sp_offset_in_saved_window()] + pc_return_offset; |
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|
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234 |
|
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235 |
// We must always be able to find a recognizable pc |
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236 |
CodeBlob* sender_blob = CodeCache::find_blob_unsafe(sender_pc); |
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if (sender_pc == NULL || sender_blob == NULL) { |
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238 |
return false; |
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239 |
} |
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240 |
|
18025 | 241 |
// Could be a zombie method |
242 |
if (sender_blob->is_zombie() || sender_blob->is_unloaded()) { |
|
243 |
return false; |
|
244 |
} |
|
245 |
||
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246 |
// It should be safe to construct the sender though it might not be valid |
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247 |
|
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frame sender(_SENDER_SP, younger_sp, adjusted_stack); |
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249 |
|
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250 |
// Do we have a valid fp? |
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251 |
address sender_fp = (address) sender.fp(); |
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252 |
|
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253 |
// an fp must be within the stack and above (but not equal) current frame's _FP |
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254 |
|
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255 |
bool sender_fp_safe = (sender_fp <= thread->stack_base()) && |
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256 |
(sender_fp > _FP); |
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|
257 |
|
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258 |
if (!sender_fp_safe) { |
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259 |
return false; |
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260 |
} |
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|
261 |
|
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|
262 |
|
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263 |
// If the potential sender is the interpreter then we can do some more checking |
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264 |
if (Interpreter::contains(sender_pc)) { |
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265 |
return sender.is_interpreted_frame_valid(thread); |
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266 |
} |
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|
267 |
|
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268 |
// Could just be some random pointer within the codeBlob |
6418 | 269 |
if (!sender.cb()->code_contains(sender_pc)) { |
270 |
return false; |
|
271 |
} |
|
354
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272 |
|
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273 |
// We should never be able to see an adapter if the current frame is something from code cache |
6418 | 274 |
if (sender_blob->is_adapter_blob()) { |
354
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275 |
return false; |
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276 |
} |
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|
277 |
|
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278 |
if (sender.is_entry_frame()) { |
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279 |
// Validate the JavaCallWrapper an entry frame must have |
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280 |
|
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281 |
address jcw = (address)sender.entry_frame_call_wrapper(); |
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282 |
|
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283 |
bool jcw_safe = (jcw <= thread->stack_base()) && (jcw > sender_fp); |
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284 |
|
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285 |
return jcw_safe; |
354
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286 |
} |
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287 |
|
18025 | 288 |
// If the frame size is 0 something (or less) is bad because every nmethod has a non-zero frame size |
354
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289 |
// because you must allocate window space |
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290 |
|
18025 | 291 |
if (sender_blob->frame_size() <= 0) { |
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292 |
assert(!sender_blob->is_compiled(), "should count return address at least"); |
354
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293 |
return false; |
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294 |
} |
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295 |
|
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296 |
// The sender should positively be an nmethod or call_stub. On sparc we might in fact see something else. |
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297 |
// The cause of this is because at a save instruction the O7 we get is a leftover from an earlier |
17006 | 298 |
// window use. So if a runtime stub creates two frames (common in fastdebug/debug) then we see the |
354
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299 |
// stale pc. So if the sender blob is not something we'd expect we have little choice but to declare |
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300 |
// the stack unwalkable. pd_get_top_frame_for_signal_handler tries to recover from this by unwinding |
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301 |
// that initial frame and retrying. |
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302 |
|
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303 |
if (!sender_blob->is_compiled()) { |
354
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304 |
return false; |
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|
305 |
} |
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|
306 |
|
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|
307 |
// Could put some more validation for the potential non-interpreted sender |
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|
308 |
// frame we'd create by calling sender if I could think of any. Wait for next crash in forte... |
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|
309 |
|
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310 |
// One idea is seeing if the sender_pc we have is one that we'd expect to call to current cb |
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|
311 |
|
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312 |
// We've validated the potential sender that would be created |
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|
313 |
|
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|
314 |
return true; |
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|
315 |
|
1 | 316 |
} |
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|
317 |
|
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318 |
// Must be native-compiled frame. Since sender will try and use fp to find |
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319 |
// linkages it must be safe |
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|
320 |
|
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|
321 |
if (!fp_safe) return false; |
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|
322 |
|
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|
323 |
// could try and do some more potential verification of native frame if we could think of some... |
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|
324 |
|
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|
325 |
return true; |
1 | 326 |
} |
327 |
||
328 |
// constructors |
|
329 |
||
330 |
// Construct an unpatchable, deficient frame |
|
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331 |
void frame::init(intptr_t* sp, address pc, CodeBlob* cb) { |
1 | 332 |
assert( (((intptr_t)sp & (wordSize-1)) == 0), "frame constructor passed an invalid sp"); |
333 |
_sp = sp; |
|
334 |
_younger_sp = NULL; |
|
335 |
_pc = pc; |
|
336 |
_cb = cb; |
|
337 |
_sp_adjustment_by_callee = 0; |
|
338 |
assert(pc == NULL && cb == NULL || pc != NULL, "can't have a cb and no pc!"); |
|
339 |
if (_cb == NULL && _pc != NULL ) { |
|
340 |
_cb = CodeCache::find_blob(_pc); |
|
341 |
} |
|
342 |
_deopt_state = unknown; |
|
343 |
} |
|
344 |
||
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|
345 |
frame::frame(intptr_t* sp, unpatchable_t, address pc, CodeBlob* cb) { |
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346 |
init(sp, pc, cb); |
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|
347 |
} |
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|
348 |
|
5687 | 349 |
frame::frame(intptr_t* sp, intptr_t* younger_sp, bool younger_frame_is_interpreted) : |
350 |
_sp(sp), |
|
351 |
_younger_sp(younger_sp), |
|
352 |
_deopt_state(unknown), |
|
353 |
_sp_adjustment_by_callee(0) { |
|
1 | 354 |
if (younger_sp == NULL) { |
355 |
// make a deficient frame which doesn't know where its PC is |
|
356 |
_pc = NULL; |
|
357 |
_cb = NULL; |
|
358 |
} else { |
|
359 |
_pc = (address)younger_sp[I7->sp_offset_in_saved_window()] + pc_return_offset; |
|
360 |
assert( (intptr_t*)younger_sp[FP->sp_offset_in_saved_window()] == (intptr_t*)((intptr_t)sp - STACK_BIAS), "younger_sp must be valid"); |
|
361 |
// Any frame we ever build should always "safe" therefore we should not have to call |
|
362 |
// find_blob_unsafe |
|
363 |
// In case of native stubs, the pc retrieved here might be |
|
364 |
// wrong. (the _last_native_pc will have the right value) |
|
365 |
// So do not put add any asserts on the _pc here. |
|
366 |
} |
|
5687 | 367 |
|
368 |
if (_pc != NULL) |
|
369 |
_cb = CodeCache::find_blob(_pc); |
|
370 |
||
371 |
// Check for MethodHandle call sites. |
|
372 |
if (_cb != NULL) { |
|
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|
373 |
CompiledMethod* nm = _cb->as_compiled_method_or_null(); |
5687 | 374 |
if (nm != NULL) { |
375 |
if (nm->is_deopt_mh_entry(_pc) || nm->is_method_handle_return(_pc)) { |
|
376 |
_sp_adjustment_by_callee = (intptr_t*) ((intptr_t) sp[L7_mh_SP_save->sp_offset_in_saved_window()] + STACK_BIAS) - sp; |
|
377 |
// The SP is already adjusted by this MH call site, don't |
|
378 |
// overwrite this value with the wrong interpreter value. |
|
379 |
younger_frame_is_interpreted = false; |
|
380 |
} |
|
381 |
} |
|
1 | 382 |
} |
383 |
||
5687 | 384 |
if (younger_frame_is_interpreted) { |
385 |
// compute adjustment to this frame's SP made by its interpreted callee |
|
386 |
_sp_adjustment_by_callee = (intptr_t*) ((intptr_t) younger_sp[I5_savedSP->sp_offset_in_saved_window()] + STACK_BIAS) - sp; |
|
387 |
} |
|
1 | 388 |
|
5687 | 389 |
// It is important that the frame is fully constructed when we do |
390 |
// this lookup as get_deopt_original_pc() needs a correct value for |
|
391 |
// unextended_sp() which uses _sp_adjustment_by_callee. |
|
1 | 392 |
if (_pc != NULL) { |
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|
393 |
address original_pc = CompiledMethod::get_deopt_original_pc(this); |
4752 | 394 |
if (original_pc != NULL) { |
395 |
_pc = original_pc; |
|
1 | 396 |
_deopt_state = is_deoptimized; |
397 |
} else { |
|
398 |
_deopt_state = not_deoptimized; |
|
399 |
} |
|
400 |
} |
|
401 |
} |
|
402 |
||
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|
403 |
#ifndef PRODUCT |
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|
404 |
// This is a generic constructor which is only used by pns() in debug.cpp. |
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|
405 |
frame::frame(void* sp, void* fp, void* pc) { |
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|
406 |
init((intptr_t*)sp, (address)pc, NULL); |
ce9f82507dc2
8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
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25717
diff
changeset
|
407 |
} |
46589 | 408 |
|
409 |
extern "C" void findpc(intptr_t x); |
|
410 |
||
411 |
void frame::pd_ps() { |
|
412 |
intptr_t* curr_sp = sp(); |
|
413 |
intptr_t* prev_sp = curr_sp - 1; |
|
414 |
intptr_t *pc = NULL; |
|
415 |
intptr_t *next_pc = NULL; |
|
416 |
int count = 0; |
|
417 |
tty->print_cr("register window backtrace from " INTPTR_FORMAT ":", p2i(curr_sp)); |
|
418 |
while (curr_sp != NULL && ((intptr_t)curr_sp & 7) == 0 && curr_sp > prev_sp && curr_sp < prev_sp+1000) { |
|
419 |
pc = next_pc; |
|
420 |
next_pc = (intptr_t*) curr_sp[I7->sp_offset_in_saved_window()]; |
|
421 |
tty->print("[%d] curr_sp=" INTPTR_FORMAT " pc=", count, p2i(curr_sp)); |
|
422 |
findpc((intptr_t)pc); |
|
423 |
if (WizardMode && Verbose) { |
|
424 |
// print register window contents also |
|
425 |
tty->print_cr(" L0..L7: {" |
|
426 |
INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " |
|
427 |
INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " ", |
|
428 |
curr_sp[0+0], curr_sp[0+1], curr_sp[0+2], curr_sp[0+3], |
|
429 |
curr_sp[0+4], curr_sp[0+5], curr_sp[0+6], curr_sp[0+7]); |
|
430 |
tty->print_cr(" I0..I7: {" |
|
431 |
INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " |
|
432 |
INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " ", |
|
433 |
curr_sp[8+0], curr_sp[8+1], curr_sp[8+2], curr_sp[8+3], |
|
434 |
curr_sp[8+4], curr_sp[8+5], curr_sp[8+6], curr_sp[8+7]); |
|
435 |
// (and print stack frame contents too??) |
|
436 |
||
437 |
CodeBlob *b = CodeCache::find_blob((address) pc); |
|
438 |
if (b != NULL) { |
|
439 |
if (b->is_nmethod()) { |
|
440 |
Method* m = ((nmethod*)b)->method(); |
|
441 |
int nlocals = m->max_locals(); |
|
442 |
int nparams = m->size_of_parameters(); |
|
443 |
tty->print_cr("compiled java method (locals = %d, params = %d)", nlocals, nparams); |
|
444 |
} |
|
445 |
} |
|
446 |
} |
|
447 |
prev_sp = curr_sp; |
|
448 |
curr_sp = (intptr_t *)curr_sp[FP->sp_offset_in_saved_window()]; |
|
449 |
curr_sp = (intptr_t *)((intptr_t)curr_sp + STACK_BIAS); |
|
450 |
count += 1; |
|
451 |
} |
|
452 |
if (curr_sp != NULL) |
|
453 |
tty->print("[%d] curr_sp=" INTPTR_FORMAT " [bogus sp!]", count, p2i(curr_sp)); |
|
454 |
} |
|
455 |
||
456 |
#endif // PRODUCT |
|
26821
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8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
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changeset
|
457 |
|
1 | 458 |
bool frame::is_interpreted_frame() const { |
459 |
return Interpreter::contains(pc()); |
|
460 |
} |
|
461 |
||
462 |
// sender_sp |
|
463 |
||
464 |
intptr_t* frame::interpreter_frame_sender_sp() const { |
|
465 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
|
466 |
return fp(); |
|
467 |
} |
|
468 |
||
469 |
void frame::set_interpreter_frame_sender_sp(intptr_t* sender_sp) { |
|
470 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
|
471 |
Unimplemented(); |
|
472 |
} |
|
473 |
||
474 |
frame frame::sender_for_entry_frame(RegisterMap *map) const { |
|
475 |
assert(map != NULL, "map must be set"); |
|
476 |
// Java frame called from C; skip all C frames and return top C |
|
477 |
// frame of that chunk as the sender |
|
478 |
JavaFrameAnchor* jfa = entry_frame_call_wrapper()->anchor(); |
|
479 |
assert(!entry_frame_is_first(), "next Java fp must be non zero"); |
|
480 |
assert(jfa->last_Java_sp() > _sp, "must be above this frame on stack"); |
|
481 |
intptr_t* last_Java_sp = jfa->last_Java_sp(); |
|
482 |
// Since we are walking the stack now this nested anchor is obviously walkable |
|
483 |
// even if it wasn't when it was stacked. |
|
484 |
if (!jfa->walkable()) { |
|
485 |
// Capture _last_Java_pc (if needed) and mark anchor walkable. |
|
486 |
jfa->capture_last_Java_pc(_sp); |
|
487 |
} |
|
488 |
assert(jfa->last_Java_pc() != NULL, "No captured pc!"); |
|
489 |
map->clear(); |
|
490 |
map->make_integer_regs_unsaved(); |
|
491 |
map->shift_window(last_Java_sp, NULL); |
|
492 |
assert(map->include_argument_oops(), "should be set by clear"); |
|
493 |
return frame(last_Java_sp, frame::unpatchable, jfa->last_Java_pc()); |
|
494 |
} |
|
495 |
||
496 |
frame frame::sender_for_interpreter_frame(RegisterMap *map) const { |
|
497 |
ShouldNotCallThis(); |
|
498 |
return sender(map); |
|
499 |
} |
|
500 |
||
501 |
frame frame::sender_for_compiled_frame(RegisterMap *map) const { |
|
502 |
ShouldNotCallThis(); |
|
503 |
return sender(map); |
|
504 |
} |
|
505 |
||
506 |
frame frame::sender(RegisterMap* map) const { |
|
507 |
assert(map != NULL, "map must be set"); |
|
508 |
||
509 |
assert(CodeCache::find_blob_unsafe(_pc) == _cb, "inconsistent"); |
|
510 |
||
511 |
// Default is not to follow arguments; update it accordingly below |
|
512 |
map->set_include_argument_oops(false); |
|
513 |
||
514 |
if (is_entry_frame()) return sender_for_entry_frame(map); |
|
515 |
||
5687 | 516 |
intptr_t* younger_sp = sp(); |
517 |
intptr_t* sp = sender_sp(); |
|
1 | 518 |
|
519 |
// Note: The version of this operation on any platform with callee-save |
|
520 |
// registers must update the register map (if not null). |
|
521 |
// In order to do this correctly, the various subtypes of |
|
522 |
// of frame (interpreted, compiled, glue, native), |
|
523 |
// must be distinguished. There is no need on SPARC for |
|
524 |
// such distinctions, because all callee-save registers are |
|
525 |
// preserved for all frames via SPARC-specific mechanisms. |
|
526 |
// |
|
527 |
// *** HOWEVER, *** if and when we make any floating-point |
|
528 |
// registers callee-saved, then we will have to copy over |
|
529 |
// the RegisterMap update logic from the Intel code. |
|
530 |
||
531 |
// The constructor of the sender must know whether this frame is interpreted so it can set the |
|
532 |
// sender's _sp_adjustment_by_callee field. An osr adapter frame was originally |
|
533 |
// interpreted but its pc is in the code cache (for c1 -> osr_frame_return_id stub), so it must be |
|
534 |
// explicitly recognized. |
|
535 |
||
9976
6fef34e63df1
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
9632
diff
changeset
|
536 |
|
5687 | 537 |
bool frame_is_interpreted = is_interpreted_frame(); |
538 |
if (frame_is_interpreted) { |
|
1 | 539 |
map->make_integer_regs_unsaved(); |
540 |
map->shift_window(sp, younger_sp); |
|
541 |
} else if (_cb != NULL) { |
|
542 |
// Update the locations of implicitly saved registers to be their |
|
543 |
// addresses in the register save area. |
|
544 |
// For %o registers, the addresses of %i registers in the next younger |
|
545 |
// frame are used. |
|
546 |
map->shift_window(sp, younger_sp); |
|
547 |
if (map->update_map()) { |
|
548 |
// Tell GC to use argument oopmaps for some runtime stubs that need it. |
|
549 |
// For C1, the runtime stub might not have oop maps, so set this flag |
|
550 |
// outside of update_register_map. |
|
551 |
map->set_include_argument_oops(_cb->caller_must_gc_arguments(map->thread())); |
|
552 |
if (_cb->oop_maps() != NULL) { |
|
553 |
OopMapSet::update_register_map(this, map); |
|
554 |
} |
|
555 |
} |
|
556 |
} |
|
5687 | 557 |
return frame(sp, younger_sp, frame_is_interpreted); |
1 | 558 |
} |
559 |
||
560 |
||
561 |
void frame::patch_pc(Thread* thread, address pc) { |
|
40336
4f31bb2b0a5a
8029441: assert(!((nmethod*)_cb)->is_deopt_pc(_pc)) failed: invariant broken
dlong
parents:
38144
diff
changeset
|
562 |
vmassert(_deopt_state != unknown, "frame is unpatchable"); |
1 | 563 |
if(thread == Thread::current()) { |
564 |
StubRoutines::Sparc::flush_callers_register_windows_func()(); |
|
565 |
} |
|
566 |
if (TracePcPatching) { |
|
567 |
// QQQ this assert is invalid (or too strong anyway) sice _pc could |
|
568 |
// be original pc and frame could have the deopt pc. |
|
569 |
// assert(_pc == *O7_addr() + pc_return_offset, "frame has wrong pc"); |
|
24917 | 570 |
tty->print_cr("patch_pc at address " INTPTR_FORMAT " [" INTPTR_FORMAT " -> " INTPTR_FORMAT "]", |
571 |
p2i(O7_addr()), p2i(_pc), p2i(pc)); |
|
1 | 572 |
} |
573 |
_cb = CodeCache::find_blob(pc); |
|
574 |
*O7_addr() = pc - pc_return_offset; |
|
575 |
_cb = CodeCache::find_blob(_pc); |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
35214
diff
changeset
|
576 |
address original_pc = CompiledMethod::get_deopt_original_pc(this); |
4752 | 577 |
if (original_pc != NULL) { |
578 |
assert(original_pc == _pc, "expected original to be stored before patching"); |
|
1 | 579 |
_deopt_state = is_deoptimized; |
580 |
} else { |
|
581 |
_deopt_state = not_deoptimized; |
|
582 |
} |
|
583 |
} |
|
584 |
||
585 |
||
586 |
static bool sp_is_valid(intptr_t* old_sp, intptr_t* young_sp, intptr_t* sp) { |
|
587 |
return (((intptr_t)sp & (2*wordSize-1)) == 0 && |
|
588 |
sp <= old_sp && |
|
589 |
sp >= young_sp); |
|
590 |
} |
|
591 |
||
592 |
||
593 |
/* |
|
594 |
Find the (biased) sp that is just younger than old_sp starting at sp. |
|
595 |
If not found return NULL. Register windows are assumed to be flushed. |
|
596 |
*/ |
|
597 |
intptr_t* frame::next_younger_sp_or_null(intptr_t* old_sp, intptr_t* sp) { |
|
598 |
||
599 |
intptr_t* previous_sp = NULL; |
|
600 |
intptr_t* orig_sp = sp; |
|
601 |
||
602 |
int max_frames = (old_sp - sp) / 16; // Minimum frame size is 16 |
|
603 |
int max_frame2 = max_frames; |
|
604 |
while(sp != old_sp && sp_is_valid(old_sp, orig_sp, sp)) { |
|
605 |
if (max_frames-- <= 0) |
|
606 |
// too many frames have gone by; invalid parameters given to this function |
|
607 |
break; |
|
608 |
previous_sp = sp; |
|
609 |
sp = (intptr_t*)sp[FP->sp_offset_in_saved_window()]; |
|
610 |
sp = (intptr_t*)((intptr_t)sp + STACK_BIAS); |
|
611 |
} |
|
612 |
||
613 |
return (sp == old_sp ? previous_sp : NULL); |
|
614 |
} |
|
615 |
||
616 |
/* |
|
617 |
Determine if "sp" is a valid stack pointer. "sp" is assumed to be younger than |
|
618 |
"valid_sp". So if "sp" is valid itself then it should be possible to walk frames |
|
619 |
from "sp" to "valid_sp". The assumption is that the registers windows for the |
|
620 |
thread stack in question are flushed. |
|
621 |
*/ |
|
622 |
bool frame::is_valid_stack_pointer(intptr_t* valid_sp, intptr_t* sp) { |
|
623 |
return next_younger_sp_or_null(valid_sp, sp) != NULL; |
|
624 |
} |
|
625 |
||
354
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
626 |
bool frame::is_interpreted_frame_valid(JavaThread* thread) const { |
1 | 627 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
628 |
// These are reasonable sanity checks |
|
629 |
if (fp() == 0 || (intptr_t(fp()) & (2*wordSize-1)) != 0) { |
|
630 |
return false; |
|
631 |
} |
|
632 |
if (sp() == 0 || (intptr_t(sp()) & (2*wordSize-1)) != 0) { |
|
633 |
return false; |
|
634 |
} |
|
354
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
635 |
|
1 | 636 |
const intptr_t interpreter_frame_initial_sp_offset = interpreter_frame_vm_local_words; |
637 |
if (fp() + interpreter_frame_initial_sp_offset < sp()) { |
|
638 |
return false; |
|
639 |
} |
|
640 |
// These are hacks to keep us out of trouble. |
|
641 |
// The problem with these is that they mask other problems |
|
642 |
if (fp() <= sp()) { // this attempts to deal with unsigned comparison above |
|
643 |
return false; |
|
644 |
} |
|
354
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
645 |
// do some validation of frame elements |
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
646 |
|
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
647 |
// first the method |
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
648 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
649 |
Method* m = *interpreter_frame_method_addr(); |
354
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
650 |
|
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
651 |
// validate the method we'd find in this potential sender |
51263
b5aac518b097
8207779: Method::is_valid_method() compares 'this' with NULL
hseigel
parents:
47560
diff
changeset
|
652 |
if (!Method::is_valid_method(m)) return false; |
354
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
653 |
|
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
654 |
// stack frames shouldn't be much larger than max_stack elements |
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
655 |
|
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
31389
diff
changeset
|
656 |
if (fp() - unextended_sp() > 1024 + m->max_stack()*Interpreter::stackElementSize) { |
1 | 657 |
return false; |
658 |
} |
|
354
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
659 |
|
25714
87fa6860b5ae
8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code
coleenp
parents:
25328
diff
changeset
|
660 |
// validate bci/bcp |
354
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
661 |
|
25714
87fa6860b5ae
8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code
coleenp
parents:
25328
diff
changeset
|
662 |
address bcp = interpreter_frame_bcp(); |
87fa6860b5ae
8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code
coleenp
parents:
25328
diff
changeset
|
663 |
if (m->validate_bci_from_bcp(bcp) < 0) { |
354
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
664 |
return false; |
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
665 |
} |
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
666 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
667 |
// validate ConstantPoolCache* |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
668 |
ConstantPoolCache* cp = *interpreter_frame_cache_addr(); |
54437
2ae93028bef3
8221539: [metaspace] Improve MetaspaceObj::is_metaspace_obj() and friends
stuefe
parents:
51263
diff
changeset
|
669 |
if (MetaspaceObj::is_valid(cp) == false) return false; |
354
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
670 |
|
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
671 |
// validate locals |
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
672 |
|
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
673 |
address locals = (address) *interpreter_frame_locals_addr(); |
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
674 |
|
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
675 |
if (locals > thread->stack_base() || locals < (address) fp()) return false; |
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
676 |
|
3b42d6fdcb82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
1
diff
changeset
|
677 |
// We'd have to be pretty unlucky to be mislead at this point |
1 | 678 |
return true; |
679 |
} |
|
680 |
||
681 |
||
682 |
// Windows have been flushed on entry (but not marked). Capture the pc that |
|
683 |
// is the return address to the frame that contains "sp" as its stack pointer. |
|
684 |
// This pc resides in the called of the frame corresponding to "sp". |
|
685 |
// As a side effect we mark this JavaFrameAnchor as having flushed the windows. |
|
686 |
// This side effect lets us mark stacked JavaFrameAnchors (stacked in the |
|
687 |
// call_helper) as flushed when we have flushed the windows for the most |
|
688 |
// recent (i.e. current) JavaFrameAnchor. This saves useless flushing calls |
|
689 |
// and lets us find the pc just once rather than multiple times as it did |
|
690 |
// in the bad old _post_Java_state days. |
|
691 |
// |
|
692 |
void JavaFrameAnchor::capture_last_Java_pc(intptr_t* sp) { |
|
693 |
if (last_Java_sp() != NULL && last_Java_pc() == NULL) { |
|
694 |
// try and find the sp just younger than _last_Java_sp |
|
695 |
intptr_t* _post_Java_sp = frame::next_younger_sp_or_null(last_Java_sp(), sp); |
|
696 |
// Really this should never fail otherwise VM call must have non-standard |
|
697 |
// frame linkage (bad) or stack is not properly flushed (worse). |
|
698 |
guarantee(_post_Java_sp != NULL, "bad stack!"); |
|
699 |
_last_Java_pc = (address) _post_Java_sp[ I7->sp_offset_in_saved_window()] + frame::pc_return_offset; |
|
700 |
||
701 |
} |
|
702 |
set_window_flushed(); |
|
703 |
} |
|
704 |
||
705 |
void JavaFrameAnchor::make_walkable(JavaThread* thread) { |
|
706 |
if (walkable()) return; |
|
707 |
// Eventually make an assert |
|
708 |
guarantee(Thread::current() == (Thread*)thread, "only current thread can flush its registers"); |
|
709 |
// We always flush in case the profiler wants it but we won't mark |
|
710 |
// the windows as flushed unless we have a last_Java_frame |
|
711 |
intptr_t* sp = StubRoutines::Sparc::flush_callers_register_windows_func()(); |
|
712 |
if (last_Java_sp() != NULL ) { |
|
713 |
capture_last_Java_pc(sp); |
|
714 |
} |
|
715 |
} |
|
716 |
||
717 |
intptr_t* frame::entry_frame_argument_at(int offset) const { |
|
718 |
// convert offset to index to deal with tsi |
|
719 |
int index = (Interpreter::expr_offset_in_bytes(offset)/wordSize); |
|
720 |
||
721 |
intptr_t* LSP = (intptr_t*) sp()[Lentry_args->sp_offset_in_saved_window()]; |
|
722 |
return &LSP[index+1]; |
|
723 |
} |
|
724 |
||
725 |
||
726 |
BasicType frame::interpreter_frame_result(oop* oop_result, jvalue* value_result) { |
|
727 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
728 |
Method* method = interpreter_frame_method(); |
1 | 729 |
BasicType type = method->result_type(); |
730 |
||
731 |
if (method->is_native()) { |
|
732 |
// Prior to notifying the runtime of the method_exit the possible result |
|
733 |
// value is saved to l_scratch and d_scratch. |
|
734 |
||
735 |
intptr_t* l_scratch = fp() + interpreter_frame_l_scratch_fp_offset; |
|
736 |
intptr_t* d_scratch = fp() + interpreter_frame_d_scratch_fp_offset; |
|
737 |
||
738 |
address l_addr = (address)l_scratch; |
|
739 |
// On 64-bit the result for 1/8/16/32-bit result types is in the other |
|
740 |
// word half |
|
741 |
l_addr += wordSize/2; |
|
742 |
||
743 |
switch (type) { |
|
744 |
case T_OBJECT: |
|
745 |
case T_ARRAY: { |
|
20282
7f9cbdf89af2
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
18488
diff
changeset
|
746 |
oop obj = cast_to_oop(at(interpreter_frame_oop_temp_offset)); |
1 | 747 |
assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check"); |
748 |
*oop_result = obj; |
|
749 |
break; |
|
750 |
} |
|
751 |
||
752 |
case T_BOOLEAN : { jint* p = (jint*)l_addr; value_result->z = (jboolean)((*p) & 0x1); break; } |
|
753 |
case T_BYTE : { jint* p = (jint*)l_addr; value_result->b = (jbyte)((*p) & 0xff); break; } |
|
754 |
case T_CHAR : { jint* p = (jint*)l_addr; value_result->c = (jchar)((*p) & 0xffff); break; } |
|
755 |
case T_SHORT : { jint* p = (jint*)l_addr; value_result->s = (jshort)((*p) & 0xffff); break; } |
|
756 |
case T_INT : value_result->i = *(jint*)l_addr; break; |
|
757 |
case T_LONG : value_result->j = *(jlong*)l_scratch; break; |
|
758 |
case T_FLOAT : value_result->f = *(jfloat*)d_scratch; break; |
|
759 |
case T_DOUBLE : value_result->d = *(jdouble*)d_scratch; break; |
|
760 |
case T_VOID : /* Nothing to do */ break; |
|
761 |
default : ShouldNotReachHere(); |
|
762 |
} |
|
763 |
} else { |
|
764 |
intptr_t* tos_addr = interpreter_frame_tos_address(); |
|
765 |
||
766 |
switch(type) { |
|
767 |
case T_OBJECT: |
|
768 |
case T_ARRAY: { |
|
20282
7f9cbdf89af2
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
18488
diff
changeset
|
769 |
oop obj = cast_to_oop(*tos_addr); |
1 | 770 |
assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check"); |
771 |
*oop_result = obj; |
|
772 |
break; |
|
773 |
} |
|
774 |
case T_BOOLEAN : { jint* p = (jint*)tos_addr; value_result->z = (jboolean)((*p) & 0x1); break; } |
|
775 |
case T_BYTE : { jint* p = (jint*)tos_addr; value_result->b = (jbyte)((*p) & 0xff); break; } |
|
776 |
case T_CHAR : { jint* p = (jint*)tos_addr; value_result->c = (jchar)((*p) & 0xffff); break; } |
|
777 |
case T_SHORT : { jint* p = (jint*)tos_addr; value_result->s = (jshort)((*p) & 0xffff); break; } |
|
778 |
case T_INT : value_result->i = *(jint*)tos_addr; break; |
|
779 |
case T_LONG : value_result->j = *(jlong*)tos_addr; break; |
|
780 |
case T_FLOAT : value_result->f = *(jfloat*)tos_addr; break; |
|
781 |
case T_DOUBLE : value_result->d = *(jdouble*)tos_addr; break; |
|
782 |
case T_VOID : /* Nothing to do */ break; |
|
783 |
default : ShouldNotReachHere(); |
|
784 |
} |
|
785 |
}; |
|
786 |
||
787 |
return type; |
|
788 |
} |
|
789 |
||
790 |
// Lesp pointer is one word lower than the top item on the stack. |
|
791 |
intptr_t* frame::interpreter_frame_tos_at(jint offset) const { |
|
792 |
int index = (Interpreter::expr_offset_in_bytes(offset)/wordSize) - 1; |
|
793 |
return &interpreter_frame_tos_address()[index]; |
|
794 |
} |
|
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
795 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
796 |
|
11571
23f825a42a85
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
11565
diff
changeset
|
797 |
#ifndef PRODUCT |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
798 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
799 |
#define DESCRIBE_FP_OFFSET(name) \ |
9632
cd86c748c12b
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
9437
diff
changeset
|
800 |
values.describe(frame_no, fp() + frame::name##_offset, #name) |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
801 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
802 |
void frame::describe_pd(FrameValues& values, int frame_no) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
803 |
for (int w = 0; w < frame::register_save_words; w++) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
804 |
values.describe(frame_no, sp() + w, err_msg("register save area word %d", w), 1); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
805 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
806 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11632
diff
changeset
|
807 |
if (is_interpreted_frame()) { |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
808 |
DESCRIBE_FP_OFFSET(interpreter_frame_d_scratch_fp); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
809 |
DESCRIBE_FP_OFFSET(interpreter_frame_l_scratch_fp); |
38074
8475fdc6dcc3
8154580: Save mirror in interpreter frame to enable cleanups of CLDClosure
coleenp
parents:
35214
diff
changeset
|
810 |
DESCRIBE_FP_OFFSET(interpreter_frame_mirror); |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
811 |
DESCRIBE_FP_OFFSET(interpreter_frame_oop_temp); |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
10539
diff
changeset
|
812 |
|
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
10539
diff
changeset
|
813 |
// esp, according to Lesp (e.g. not depending on bci), if seems valid |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
10539
diff
changeset
|
814 |
intptr_t* esp = *interpreter_frame_esp_addr(); |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
10539
diff
changeset
|
815 |
if ((esp >= sp()) && (esp < fp())) { |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
10539
diff
changeset
|
816 |
values.describe(-1, esp, "*Lesp"); |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
10539
diff
changeset
|
817 |
} |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
818 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
819 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
820 |
if (!is_compiled_frame()) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
821 |
if (frame::callee_aggregate_return_pointer_words != 0) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
822 |
values.describe(frame_no, sp() + frame::callee_aggregate_return_pointer_sp_offset, "callee_aggregate_return_pointer_word"); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
823 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
824 |
for (int w = 0; w < frame::callee_register_argument_save_area_words; w++) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
825 |
values.describe(frame_no, sp() + frame::callee_register_argument_save_area_sp_offset + w, |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
826 |
err_msg("callee_register_argument_save_area_words %d", w)); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
827 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
828 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
829 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
830 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
7397
diff
changeset
|
831 |
#endif |
10539
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
9976
diff
changeset
|
832 |
|
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
9976
diff
changeset
|
833 |
intptr_t *frame::initial_deoptimization_info() { |
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
9976
diff
changeset
|
834 |
// unused... but returns fp() to minimize changes introduced by 7087445 |
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
9976
diff
changeset
|
835 |
return fp(); |
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
9976
diff
changeset
|
836 |
} |