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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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