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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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| 185 | 185 |
| 186 | 186 |
| 187 void MacroAssembler::Call(Handle<Code> code, | 187 void MacroAssembler::Call(Handle<Code> code, |
| 188 RelocInfo::Mode rmode, | 188 RelocInfo::Mode rmode, |
| 189 unsigned ast_id, | 189 unsigned ast_id, |
| 190 Condition cond) { | 190 Condition cond) { |
| 191 Label start; | 191 Label start; |
| 192 bind(&start); | 192 bind(&start); |
| 193 ASSERT(RelocInfo::IsCodeTarget(rmode)); | 193 ASSERT(RelocInfo::IsCodeTarget(rmode)); |
| 194 if (rmode == RelocInfo::CODE_TARGET && ast_id != kNoASTId) { | 194 if (rmode == RelocInfo::CODE_TARGET && ast_id != kNoASTId) { |
| 195 ASSERT(ast_id_for_reloc_info_ == kNoASTId); | 195 SetRecordedAstId(ast_id); |
| 196 ast_id_for_reloc_info_ = ast_id; | |
| 197 rmode = RelocInfo::CODE_TARGET_WITH_ID; | 196 rmode = RelocInfo::CODE_TARGET_WITH_ID; |
| 198 } | 197 } |
| 199 // 'code' is always generated ARM code, never THUMB code | 198 // 'code' is always generated ARM code, never THUMB code |
| 200 Call(reinterpret_cast<Address>(code.location()), rmode, cond); | 199 Call(reinterpret_cast<Address>(code.location()), rmode, cond); |
| 201 ASSERT_EQ(CallSize(code, rmode, cond), SizeOfCodeGeneratedSince(&start)); | 200 ASSERT_EQ(CallSize(code, rmode, ast_id, cond), |
| 201 SizeOfCodeGeneratedSince(&start)); |
| 202 } | 202 } |
| 203 | 203 |
| 204 | 204 |
| 205 void MacroAssembler::Ret(Condition cond) { | 205 void MacroAssembler::Ret(Condition cond) { |
| 206 #if USE_BX | 206 #if USE_BX |
| 207 bx(lr, cond); | 207 bx(lr, cond); |
| 208 #else | 208 #else |
| 209 mov(pc, Operand(lr), LeaveCC, cond); | 209 mov(pc, Operand(lr), LeaveCC, cond); |
| 210 #endif | 210 #endif |
| 211 } | 211 } |
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| 1855 bind(&non_instance); | 1855 bind(&non_instance); |
| 1856 ldr(result, FieldMemOperand(result, Map::kConstructorOffset)); | 1856 ldr(result, FieldMemOperand(result, Map::kConstructorOffset)); |
| 1857 | 1857 |
| 1858 // All done. | 1858 // All done. |
| 1859 bind(&done); | 1859 bind(&done); |
| 1860 } | 1860 } |
| 1861 | 1861 |
| 1862 | 1862 |
| 1863 void MacroAssembler::CallStub(CodeStub* stub, Condition cond) { | 1863 void MacroAssembler::CallStub(CodeStub* stub, Condition cond) { |
| 1864 ASSERT(allow_stub_calls()); // Stub calls are not allowed in some stubs. | 1864 ASSERT(allow_stub_calls()); // Stub calls are not allowed in some stubs. |
| 1865 Call(stub->GetCode(), RelocInfo::CODE_TARGET, cond); | 1865 Call(stub->GetCode(), RelocInfo::CODE_TARGET, kNoASTId, cond); |
| 1866 } | 1866 } |
| 1867 | 1867 |
| 1868 | 1868 |
| 1869 MaybeObject* MacroAssembler::TryCallStub(CodeStub* stub, Condition cond) { | 1869 MaybeObject* MacroAssembler::TryCallStub(CodeStub* stub, Condition cond) { |
| 1870 ASSERT(allow_stub_calls()); // Stub calls are not allowed in some stubs. | 1870 ASSERT(allow_stub_calls()); // Stub calls are not allowed in some stubs. |
| 1871 Object* result; | 1871 Object* result; |
| 1872 { MaybeObject* maybe_result = stub->TryGetCode(); | 1872 { MaybeObject* maybe_result = stub->TryGetCode(); |
| 1873 if (!maybe_result->ToObject(&result)) return maybe_result; | 1873 if (!maybe_result->ToObject(&result)) return maybe_result; |
| 1874 } | 1874 } |
| 1875 Call(Handle<Code>(Code::cast(result)), RelocInfo::CODE_TARGET, cond); | 1875 Handle<Code> code(Code::cast(result)); |
| 1876 Call(code, RelocInfo::CODE_TARGET, kNoASTId, cond); |
| 1876 return result; | 1877 return result; |
| 1877 } | 1878 } |
| 1878 | 1879 |
| 1879 | 1880 |
| 1880 void MacroAssembler::TailCallStub(CodeStub* stub, Condition cond) { | 1881 void MacroAssembler::TailCallStub(CodeStub* stub, Condition cond) { |
| 1881 ASSERT(allow_stub_calls()); // Stub calls are not allowed in some stubs. | 1882 ASSERT(allow_stub_calls()); // Stub calls are not allowed in some stubs. |
| 1882 Jump(stub->GetCode(), RelocInfo::CODE_TARGET, cond); | 1883 Jump(stub->GetCode(), RelocInfo::CODE_TARGET, cond); |
| 1883 } | 1884 } |
| 1884 | 1885 |
| 1885 | 1886 |
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| 3234 void CodePatcher::EmitCondition(Condition cond) { | 3235 void CodePatcher::EmitCondition(Condition cond) { |
| 3235 Instr instr = Assembler::instr_at(masm_.pc_); | 3236 Instr instr = Assembler::instr_at(masm_.pc_); |
| 3236 instr = (instr & ~kCondMask) | cond; | 3237 instr = (instr & ~kCondMask) | cond; |
| 3237 masm_.emit(instr); | 3238 masm_.emit(instr); |
| 3238 } | 3239 } |
| 3239 | 3240 |
| 3240 | 3241 |
| 3241 } } // namespace v8::internal | 3242 } } // namespace v8::internal |
| 3242 | 3243 |
| 3243 #endif // V8_TARGET_ARCH_ARM | 3244 #endif // V8_TARGET_ARCH_ARM |
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