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Side by Side Diff: src/ia32/macro-assembler-ia32.cc

Issue 638633002: Tick processor: Print C++ entry points (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: rebased Created 6 years, 2 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_IA32 7 #if V8_TARGET_ARCH_IA32
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/base/division-by-constant.h" 10 #include "src/base/division-by-constant.h"
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935 mov(ebp, esp); 935 mov(ebp, esp);
936 936
937 // Reserve room for entry stack pointer and push the code object. 937 // Reserve room for entry stack pointer and push the code object.
938 DCHECK(ExitFrameConstants::kSPOffset == -1 * kPointerSize); 938 DCHECK(ExitFrameConstants::kSPOffset == -1 * kPointerSize);
939 push(Immediate(0)); // Saved entry sp, patched before call. 939 push(Immediate(0)); // Saved entry sp, patched before call.
940 push(Immediate(CodeObject())); // Accessed from ExitFrame::code_slot. 940 push(Immediate(CodeObject())); // Accessed from ExitFrame::code_slot.
941 941
942 // Save the frame pointer and the context in top. 942 // Save the frame pointer and the context in top.
943 ExternalReference c_entry_fp_address(Isolate::kCEntryFPAddress, isolate()); 943 ExternalReference c_entry_fp_address(Isolate::kCEntryFPAddress, isolate());
944 ExternalReference context_address(Isolate::kContextAddress, isolate()); 944 ExternalReference context_address(Isolate::kContextAddress, isolate());
945 ExternalReference c_function_address(Isolate::kCFunctionAddress, isolate());
945 mov(Operand::StaticVariable(c_entry_fp_address), ebp); 946 mov(Operand::StaticVariable(c_entry_fp_address), ebp);
946 mov(Operand::StaticVariable(context_address), esi); 947 mov(Operand::StaticVariable(context_address), esi);
948 mov(Operand::StaticVariable(c_function_address), ebx);
947 } 949 }
948 950
949 951
950 void MacroAssembler::EnterExitFrameEpilogue(int argc, bool save_doubles) { 952 void MacroAssembler::EnterExitFrameEpilogue(int argc, bool save_doubles) {
951 // Optionally save all XMM registers. 953 // Optionally save all XMM registers.
952 if (save_doubles) { 954 if (save_doubles) {
953 int space = XMMRegister::kMaxNumRegisters * kDoubleSize + 955 int space = XMMRegister::kMaxNumRegisters * kDoubleSize +
954 argc * kPointerSize; 956 argc * kPointerSize;
955 sub(esp, Immediate(space)); 957 sub(esp, Immediate(space));
956 const int offset = -2 * kPointerSize; 958 const int offset = -2 * kPointerSize;
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3445 if (mag.shift > 0) sar(edx, mag.shift); 3447 if (mag.shift > 0) sar(edx, mag.shift);
3446 mov(eax, dividend); 3448 mov(eax, dividend);
3447 shr(eax, 31); 3449 shr(eax, 31);
3448 add(edx, eax); 3450 add(edx, eax);
3449 } 3451 }
3450 3452
3451 3453
3452 } } // namespace v8::internal 3454 } } // namespace v8::internal
3453 3455
3454 #endif // V8_TARGET_ARCH_IA32 3456 #endif // V8_TARGET_ARCH_IA32
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