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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1223 // region. Pointer to this region should be passed to a function as an | 1223 // region. Pointer to this region should be passed to a function as an |
1224 // implicit first argument. | 1224 // implicit first argument. |
1225 #if defined(USING_BSD_ABI) || defined(__MINGW32__) | 1225 #if defined(USING_BSD_ABI) || defined(__MINGW32__) |
1226 static const bool kReturnHandlesDirectly = true; | 1226 static const bool kReturnHandlesDirectly = true; |
1227 #else | 1227 #else |
1228 static const bool kReturnHandlesDirectly = false; | 1228 static const bool kReturnHandlesDirectly = false; |
1229 #endif | 1229 #endif |
1230 | 1230 |
1231 | 1231 |
1232 Operand ApiParameterOperand(int index) { | 1232 Operand ApiParameterOperand(int index) { |
1233 return Operand(esp, (index + (kReturnHandlesDirectly ? 0 : 1)) * kPointerSize)
; | 1233 return Operand( |
| 1234 esp, (index + (kReturnHandlesDirectly ? 0 : 1)) * kPointerSize); |
1234 } | 1235 } |
1235 | 1236 |
1236 | 1237 |
1237 void MacroAssembler::PrepareCallApiFunction(int argc, Register scratch) { | 1238 void MacroAssembler::PrepareCallApiFunction(int argc, Register scratch) { |
1238 if (kReturnHandlesDirectly) { | 1239 if (kReturnHandlesDirectly) { |
1239 EnterApiExitFrame(argc); | 1240 EnterApiExitFrame(argc); |
1240 // When handles are returned directly we don't have to allocate extra | 1241 // When handles are returned directly we don't have to allocate extra |
1241 // space for and pass an out parameter. | 1242 // space for and pass an out parameter. |
1242 } else { | 1243 } else { |
1243 // We allocate two additional slots: return value and pointer to it. | 1244 // We allocate two additional slots: return value and pointer to it. |
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1914 | 1915 |
1915 // Check that the code was patched as expected. | 1916 // Check that the code was patched as expected. |
1916 ASSERT(masm_.pc_ == address_ + size_); | 1917 ASSERT(masm_.pc_ == address_ + size_); |
1917 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); | 1918 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); |
1918 } | 1919 } |
1919 | 1920 |
1920 | 1921 |
1921 } } // namespace v8::internal | 1922 } } // namespace v8::internal |
1922 | 1923 |
1923 #endif // V8_TARGET_ARCH_IA32 | 1924 #endif // V8_TARGET_ARCH_IA32 |
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