| OLD | NEW |
| 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_X87 | 7 #if V8_TARGET_ARCH_X87 |
| 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" |
| (...skipping 888 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 899 mov(ebp, esp); | 899 mov(ebp, esp); |
| 900 | 900 |
| 901 // Reserve room for entry stack pointer and push the code object. | 901 // Reserve room for entry stack pointer and push the code object. |
| 902 DCHECK(ExitFrameConstants::kSPOffset == -1 * kPointerSize); | 902 DCHECK(ExitFrameConstants::kSPOffset == -1 * kPointerSize); |
| 903 push(Immediate(0)); // Saved entry sp, patched before call. | 903 push(Immediate(0)); // Saved entry sp, patched before call. |
| 904 push(Immediate(CodeObject())); // Accessed from ExitFrame::code_slot. | 904 push(Immediate(CodeObject())); // Accessed from ExitFrame::code_slot. |
| 905 | 905 |
| 906 // Save the frame pointer and the context in top. | 906 // Save the frame pointer and the context in top. |
| 907 ExternalReference c_entry_fp_address(Isolate::kCEntryFPAddress, isolate()); | 907 ExternalReference c_entry_fp_address(Isolate::kCEntryFPAddress, isolate()); |
| 908 ExternalReference context_address(Isolate::kContextAddress, isolate()); | 908 ExternalReference context_address(Isolate::kContextAddress, isolate()); |
| 909 ExternalReference c_function_address(Isolate::kCFunctionAddress, isolate()); |
| 909 mov(Operand::StaticVariable(c_entry_fp_address), ebp); | 910 mov(Operand::StaticVariable(c_entry_fp_address), ebp); |
| 910 mov(Operand::StaticVariable(context_address), esi); | 911 mov(Operand::StaticVariable(context_address), esi); |
| 912 mov(Operand::StaticVariable(c_function_address), ebx); |
| 911 } | 913 } |
| 912 | 914 |
| 913 | 915 |
| 914 void MacroAssembler::EnterExitFrameEpilogue(int argc, bool save_doubles) { | 916 void MacroAssembler::EnterExitFrameEpilogue(int argc, bool save_doubles) { |
| 915 // Optionally save FPU state. | 917 // Optionally save FPU state. |
| 916 if (save_doubles) { | 918 if (save_doubles) { |
| 917 // Store FPU state to m108byte. | 919 // Store FPU state to m108byte. |
| 918 int space = 108 + argc * kPointerSize; | 920 int space = 108 + argc * kPointerSize; |
| 919 sub(esp, Immediate(space)); | 921 sub(esp, Immediate(space)); |
| 920 const int offset = -2 * kPointerSize; // entry fp + code object. | 922 const int offset = -2 * kPointerSize; // entry fp + code object. |
| (...skipping 2432 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 3353 if (mag.shift > 0) sar(edx, mag.shift); | 3355 if (mag.shift > 0) sar(edx, mag.shift); |
| 3354 mov(eax, dividend); | 3356 mov(eax, dividend); |
| 3355 shr(eax, 31); | 3357 shr(eax, 31); |
| 3356 add(edx, eax); | 3358 add(edx, eax); |
| 3357 } | 3359 } |
| 3358 | 3360 |
| 3359 | 3361 |
| 3360 } } // namespace v8::internal | 3362 } } // namespace v8::internal |
| 3361 | 3363 |
| 3362 #endif // V8_TARGET_ARCH_X87 | 3364 #endif // V8_TARGET_ARCH_X87 |
| OLD | NEW |