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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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| 2295 void MacroAssembler::PrepareCallApiFunction(int argc) { | 2295 void MacroAssembler::PrepareCallApiFunction(int argc) { |
| 2296 EnterApiExitFrame(argc); | 2296 EnterApiExitFrame(argc); |
| 2297 if (emit_debug_code()) { | 2297 if (emit_debug_code()) { |
| 2298 mov(esi, Immediate(BitCast<int32_t>(kZapValue))); | 2298 mov(esi, Immediate(BitCast<int32_t>(kZapValue))); |
| 2299 } | 2299 } |
| 2300 } | 2300 } |
| 2301 | 2301 |
| 2302 | 2302 |
| 2303 void MacroAssembler::CallApiFunctionAndReturn( | 2303 void MacroAssembler::CallApiFunctionAndReturn( |
| 2304 Register function_address, | 2304 Register function_address, |
| 2305 Address thunk_address, | 2305 ExternalReference thunk_ref, |
| 2306 Operand thunk_last_arg, | 2306 Operand thunk_last_arg, |
| 2307 int stack_space, | 2307 int stack_space, |
| 2308 Operand return_value_operand, | 2308 Operand return_value_operand, |
| 2309 Operand* context_restore_operand) { | 2309 Operand* context_restore_operand) { |
| 2310 ExternalReference next_address = | 2310 ExternalReference next_address = |
| 2311 ExternalReference::handle_scope_next_address(isolate()); | 2311 ExternalReference::handle_scope_next_address(isolate()); |
| 2312 ExternalReference limit_address = | 2312 ExternalReference limit_address = |
| 2313 ExternalReference::handle_scope_limit_address(isolate()); | 2313 ExternalReference::handle_scope_limit_address(isolate()); |
| 2314 ExternalReference level_address = | 2314 ExternalReference level_address = |
| 2315 ExternalReference::handle_scope_level_address(isolate()); | 2315 ExternalReference::handle_scope_level_address(isolate()); |
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| 2326 PrepareCallCFunction(1, eax); | 2326 PrepareCallCFunction(1, eax); |
| 2327 mov(Operand(esp, 0), | 2327 mov(Operand(esp, 0), |
| 2328 Immediate(ExternalReference::isolate_address(isolate()))); | 2328 Immediate(ExternalReference::isolate_address(isolate()))); |
| 2329 CallCFunction(ExternalReference::log_enter_external_function(isolate()), 1); | 2329 CallCFunction(ExternalReference::log_enter_external_function(isolate()), 1); |
| 2330 PopSafepointRegisters(); | 2330 PopSafepointRegisters(); |
| 2331 } | 2331 } |
| 2332 | 2332 |
| 2333 | 2333 |
| 2334 Label profiler_disabled; | 2334 Label profiler_disabled; |
| 2335 Label end_profiler_check; | 2335 Label end_profiler_check; |
| 2336 bool* is_profiling_flag = | 2336 mov(eax, Immediate(ExternalReference::is_profiling_address(isolate()))); |
| 2337 isolate()->cpu_profiler()->is_profiling_address(); | |
| 2338 STATIC_ASSERT(sizeof(*is_profiling_flag) == 1); | |
| 2339 mov(eax, Immediate(reinterpret_cast<Address>(is_profiling_flag))); | |
| 2340 cmpb(Operand(eax, 0), 0); | 2337 cmpb(Operand(eax, 0), 0); |
| 2341 j(zero, &profiler_disabled); | 2338 j(zero, &profiler_disabled); |
| 2342 | 2339 |
| 2343 // Additional parameter is the address of the actual getter function. | 2340 // Additional parameter is the address of the actual getter function. |
| 2344 mov(thunk_last_arg, function_address); | 2341 mov(thunk_last_arg, function_address); |
| 2345 // Call the api function. | 2342 // Call the api function. |
| 2346 call(thunk_address, RelocInfo::RUNTIME_ENTRY); | 2343 mov(eax, Immediate(thunk_ref)); |
| 2344 call(eax); |
| 2347 jmp(&end_profiler_check); | 2345 jmp(&end_profiler_check); |
| 2348 | 2346 |
| 2349 bind(&profiler_disabled); | 2347 bind(&profiler_disabled); |
| 2350 // Call the api function. | 2348 // Call the api function. |
| 2351 call(function_address); | 2349 call(function_address); |
| 2352 bind(&end_profiler_check); | 2350 bind(&end_profiler_check); |
| 2353 | 2351 |
| 2354 if (FLAG_log_timer_events) { | 2352 if (FLAG_log_timer_events) { |
| 2355 FrameScope frame(this, StackFrame::MANUAL); | 2353 FrameScope frame(this, StackFrame::MANUAL); |
| 2356 PushSafepointRegisters(); | 2354 PushSafepointRegisters(); |
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| 3650 if (ms.shift() > 0) sar(edx, ms.shift()); | 3648 if (ms.shift() > 0) sar(edx, ms.shift()); |
| 3651 mov(eax, dividend); | 3649 mov(eax, dividend); |
| 3652 shr(eax, 31); | 3650 shr(eax, 31); |
| 3653 add(edx, eax); | 3651 add(edx, eax); |
| 3654 } | 3652 } |
| 3655 | 3653 |
| 3656 | 3654 |
| 3657 } } // namespace v8::internal | 3655 } } // namespace v8::internal |
| 3658 | 3656 |
| 3659 #endif // V8_TARGET_ARCH_IA32 | 3657 #endif // V8_TARGET_ARCH_IA32 |
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