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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 |
| (...skipping 92 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 103 if (!Operand(immediate, rmode).is_single_instruction(this, mov_instr)) { | 103 if (!Operand(immediate, rmode).is_single_instruction(this, mov_instr)) { |
| 104 size += kInstrSize; | 104 size += kInstrSize; |
| 105 } | 105 } |
| 106 return size; | 106 return size; |
| 107 } | 107 } |
| 108 | 108 |
| 109 | 109 |
| 110 int MacroAssembler::CallStubSize( | 110 int MacroAssembler::CallStubSize( |
| 111 CodeStub* stub, TypeFeedbackId ast_id, Condition cond) { | 111 CodeStub* stub, TypeFeedbackId ast_id, Condition cond) { |
| 112 return CallSize( | 112 return CallSize( |
| 113 stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id, cond); | 113 stub->GetCode(), RelocInfo::CODE_TARGET, ast_id, cond); |
|
Michael Starzinger
2014/04/24 11:48:13
nit: Should fit into one line now.
Sven Panne
2014/04/24 12:02:21
Done.
| |
| 114 } | 114 } |
| 115 | 115 |
| 116 | 116 |
| 117 int MacroAssembler::CallSizeNotPredictableCodeSize( | 117 int MacroAssembler::CallSizeNotPredictableCodeSize( |
| 118 Address target, RelocInfo::Mode rmode, Condition cond) { | 118 Address target, RelocInfo::Mode rmode, Condition cond) { |
| 119 int size = 2 * kInstrSize; | 119 int size = 2 * kInstrSize; |
| 120 Instr mov_instr = cond | MOV | LeaveCC; | 120 Instr mov_instr = cond | MOV | LeaveCC; |
| 121 intptr_t immediate = reinterpret_cast<intptr_t>(target); | 121 intptr_t immediate = reinterpret_cast<intptr_t>(target); |
| 122 if (!Operand(immediate, rmode).is_single_instruction(NULL, mov_instr)) { | 122 if (!Operand(immediate, rmode).is_single_instruction(NULL, mov_instr)) { |
| 123 size += kInstrSize; | 123 size += kInstrSize; |
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| 1335 b(hi, fail); | 1335 b(hi, fail); |
| 1336 } | 1336 } |
| 1337 | 1337 |
| 1338 | 1338 |
| 1339 #ifdef ENABLE_DEBUGGER_SUPPORT | 1339 #ifdef ENABLE_DEBUGGER_SUPPORT |
| 1340 void MacroAssembler::DebugBreak() { | 1340 void MacroAssembler::DebugBreak() { |
| 1341 mov(r0, Operand::Zero()); | 1341 mov(r0, Operand::Zero()); |
| 1342 mov(r1, Operand(ExternalReference(Runtime::kDebugBreak, isolate()))); | 1342 mov(r1, Operand(ExternalReference(Runtime::kDebugBreak, isolate()))); |
| 1343 CEntryStub ces(isolate(), 1); | 1343 CEntryStub ces(isolate(), 1); |
| 1344 ASSERT(AllowThisStubCall(&ces)); | 1344 ASSERT(AllowThisStubCall(&ces)); |
| 1345 Call(ces.GetCode(isolate()), RelocInfo::DEBUG_BREAK); | 1345 Call(ces.GetCode(), RelocInfo::DEBUG_BREAK); |
| 1346 } | 1346 } |
| 1347 #endif | 1347 #endif |
| 1348 | 1348 |
| 1349 | 1349 |
| 1350 void MacroAssembler::PushTryHandler(StackHandler::Kind kind, | 1350 void MacroAssembler::PushTryHandler(StackHandler::Kind kind, |
| 1351 int handler_index) { | 1351 int handler_index) { |
| 1352 // Adjust this code if not the case. | 1352 // Adjust this code if not the case. |
| 1353 STATIC_ASSERT(StackHandlerConstants::kSize == 5 * kPointerSize); | 1353 STATIC_ASSERT(StackHandlerConstants::kSize == 5 * kPointerSize); |
| 1354 STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0 * kPointerSize); | 1354 STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0 * kPointerSize); |
| 1355 STATIC_ASSERT(StackHandlerConstants::kCodeOffset == 1 * kPointerSize); | 1355 STATIC_ASSERT(StackHandlerConstants::kCodeOffset == 1 * kPointerSize); |
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| 2313 | 2313 |
| 2314 // All done. | 2314 // All done. |
| 2315 bind(&done); | 2315 bind(&done); |
| 2316 } | 2316 } |
| 2317 | 2317 |
| 2318 | 2318 |
| 2319 void MacroAssembler::CallStub(CodeStub* stub, | 2319 void MacroAssembler::CallStub(CodeStub* stub, |
| 2320 TypeFeedbackId ast_id, | 2320 TypeFeedbackId ast_id, |
| 2321 Condition cond) { | 2321 Condition cond) { |
| 2322 ASSERT(AllowThisStubCall(stub)); // Stub calls are not allowed in some stubs. | 2322 ASSERT(AllowThisStubCall(stub)); // Stub calls are not allowed in some stubs. |
| 2323 Call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id, cond); | 2323 Call(stub->GetCode(), RelocInfo::CODE_TARGET, ast_id, cond); |
| 2324 } | 2324 } |
| 2325 | 2325 |
| 2326 | 2326 |
| 2327 void MacroAssembler::TailCallStub(CodeStub* stub, Condition cond) { | 2327 void MacroAssembler::TailCallStub(CodeStub* stub, Condition cond) { |
| 2328 Jump(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, cond); | 2328 Jump(stub->GetCode(), RelocInfo::CODE_TARGET, cond); |
| 2329 } | 2329 } |
| 2330 | 2330 |
| 2331 | 2331 |
| 2332 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { | 2332 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { |
| 2333 return ref0.address() - ref1.address(); | 2333 return ref0.address() - ref1.address(); |
| 2334 } | 2334 } |
| 2335 | 2335 |
| 2336 | 2336 |
| 2337 void MacroAssembler::CallApiFunctionAndReturn( | 2337 void MacroAssembler::CallApiFunctionAndReturn( |
| 2338 Register function_address, | 2338 Register function_address, |
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| 2720 } | 2720 } |
| 2721 | 2721 |
| 2722 | 2722 |
| 2723 void MacroAssembler::JumpToExternalReference(const ExternalReference& builtin) { | 2723 void MacroAssembler::JumpToExternalReference(const ExternalReference& builtin) { |
| 2724 #if defined(__thumb__) | 2724 #if defined(__thumb__) |
| 2725 // Thumb mode builtin. | 2725 // Thumb mode builtin. |
| 2726 ASSERT((reinterpret_cast<intptr_t>(builtin.address()) & 1) == 1); | 2726 ASSERT((reinterpret_cast<intptr_t>(builtin.address()) & 1) == 1); |
| 2727 #endif | 2727 #endif |
| 2728 mov(r1, Operand(builtin)); | 2728 mov(r1, Operand(builtin)); |
| 2729 CEntryStub stub(isolate(), 1); | 2729 CEntryStub stub(isolate(), 1); |
| 2730 Jump(stub.GetCode(isolate()), RelocInfo::CODE_TARGET); | 2730 Jump(stub.GetCode(), RelocInfo::CODE_TARGET); |
| 2731 } | 2731 } |
| 2732 | 2732 |
| 2733 | 2733 |
| 2734 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id, | 2734 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id, |
| 2735 InvokeFlag flag, | 2735 InvokeFlag flag, |
| 2736 const CallWrapper& call_wrapper) { | 2736 const CallWrapper& call_wrapper) { |
| 2737 // You can't call a builtin without a valid frame. | 2737 // You can't call a builtin without a valid frame. |
| 2738 ASSERT(flag == JUMP_FUNCTION || has_frame()); | 2738 ASSERT(flag == JUMP_FUNCTION || has_frame()); |
| 2739 | 2739 |
| 2740 GetBuiltinEntry(r2, id); | 2740 GetBuiltinEntry(r2, id); |
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| 4091 sub(result, result, Operand(dividend)); | 4091 sub(result, result, Operand(dividend)); |
| 4092 } | 4092 } |
| 4093 if (ms.shift() > 0) mov(result, Operand(result, ASR, ms.shift())); | 4093 if (ms.shift() > 0) mov(result, Operand(result, ASR, ms.shift())); |
| 4094 add(result, result, Operand(dividend, LSR, 31)); | 4094 add(result, result, Operand(dividend, LSR, 31)); |
| 4095 } | 4095 } |
| 4096 | 4096 |
| 4097 | 4097 |
| 4098 } } // namespace v8::internal | 4098 } } // namespace v8::internal |
| 4099 | 4099 |
| 4100 #endif // V8_TARGET_ARCH_ARM | 4100 #endif // V8_TARGET_ARCH_ARM |
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