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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 // 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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2293 | 2293 |
2294 | 2294 |
2295 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { | 2295 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { |
2296 return ref0.address() - ref1.address(); | 2296 return ref0.address() - ref1.address(); |
2297 } | 2297 } |
2298 | 2298 |
2299 | 2299 |
2300 void MacroAssembler::CallApiFunctionAndReturn( | 2300 void MacroAssembler::CallApiFunctionAndReturn( |
2301 Register function_address, | 2301 Register function_address, |
2302 ExternalReference thunk_ref, | 2302 ExternalReference thunk_ref, |
2303 Register thunk_last_arg, | |
2304 int stack_space, | 2303 int stack_space, |
2305 MemOperand return_value_operand, | 2304 MemOperand return_value_operand, |
2306 MemOperand* context_restore_operand) { | 2305 MemOperand* context_restore_operand) { |
2307 ExternalReference next_address = | 2306 ExternalReference next_address = |
2308 ExternalReference::handle_scope_next_address(isolate()); | 2307 ExternalReference::handle_scope_next_address(isolate()); |
2309 const int kNextOffset = 0; | 2308 const int kNextOffset = 0; |
2310 const int kLimitOffset = AddressOffset( | 2309 const int kLimitOffset = AddressOffset( |
2311 ExternalReference::handle_scope_limit_address(isolate()), | 2310 ExternalReference::handle_scope_limit_address(isolate()), |
2312 next_address); | 2311 next_address); |
2313 const int kLevelOffset = AddressOffset( | 2312 const int kLevelOffset = AddressOffset( |
2314 ExternalReference::handle_scope_level_address(isolate()), | 2313 ExternalReference::handle_scope_level_address(isolate()), |
2315 next_address); | 2314 next_address); |
2316 | 2315 |
2317 ASSERT(function_address.is(r3)); | 2316 ASSERT(function_address.is(r1) || function_address.is(r2)); |
2318 ASSERT(thunk_last_arg.is(r1) || thunk_last_arg.is(r2)); | |
2319 | 2317 |
2320 Label profiler_disabled; | 2318 Label profiler_disabled; |
2321 Label end_profiler_check; | 2319 Label end_profiler_check; |
2322 bool* is_profiling_flag = | 2320 bool* is_profiling_flag = |
2323 isolate()->cpu_profiler()->is_profiling_address(); | 2321 isolate()->cpu_profiler()->is_profiling_address(); |
2324 STATIC_ASSERT(sizeof(*is_profiling_flag) == 1); | 2322 STATIC_ASSERT(sizeof(*is_profiling_flag) == 1); |
2325 mov(r9, Operand(reinterpret_cast<int32_t>(is_profiling_flag))); | 2323 mov(r9, Operand(reinterpret_cast<int32_t>(is_profiling_flag))); |
2326 ldrb(r9, MemOperand(r9, 0)); | 2324 ldrb(r9, MemOperand(r9, 0)); |
2327 cmp(r9, Operand(0)); | 2325 cmp(r9, Operand(0)); |
2328 b(eq, &profiler_disabled); | 2326 b(eq, &profiler_disabled); |
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4076 void CodePatcher::EmitCondition(Condition cond) { | 4074 void CodePatcher::EmitCondition(Condition cond) { |
4077 Instr instr = Assembler::instr_at(masm_.pc_); | 4075 Instr instr = Assembler::instr_at(masm_.pc_); |
4078 instr = (instr & ~kCondMask) | cond; | 4076 instr = (instr & ~kCondMask) | cond; |
4079 masm_.emit(instr); | 4077 masm_.emit(instr); |
4080 } | 4078 } |
4081 | 4079 |
4082 | 4080 |
4083 } } // namespace v8::internal | 4081 } } // namespace v8::internal |
4084 | 4082 |
4085 #endif // V8_TARGET_ARCH_ARM | 4083 #endif // V8_TARGET_ARCH_ARM |
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