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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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237 } | 237 } |
238 | 238 |
239 // --------------------------------------------------------------------------- | 239 // --------------------------------------------------------------------------- |
240 // JavaScript invokes | 240 // JavaScript invokes |
241 | 241 |
242 // Invoke the JavaScript function code by either calling or jumping. | 242 // Invoke the JavaScript function code by either calling or jumping. |
243 void InvokeCode(Register code, | 243 void InvokeCode(Register code, |
244 const ParameterCount& expected, | 244 const ParameterCount& expected, |
245 const ParameterCount& actual, | 245 const ParameterCount& actual, |
246 InvokeFlag flag, | 246 InvokeFlag flag, |
247 CallWrapper* call_wrapper = NULL); | 247 const CallWrapper& call_wrapper = NullCallWrapper()); |
248 | 248 |
249 void InvokeCode(Handle<Code> code, | 249 void InvokeCode(Handle<Code> code, |
250 const ParameterCount& expected, | 250 const ParameterCount& expected, |
251 const ParameterCount& actual, | 251 const ParameterCount& actual, |
252 RelocInfo::Mode rmode, | 252 RelocInfo::Mode rmode, |
253 InvokeFlag flag, | 253 InvokeFlag flag, |
254 CallWrapper* call_wrapper = NULL); | 254 const CallWrapper& call_wrapper = NullCallWrapper()); |
255 | 255 |
256 // Invoke the JavaScript function in the given register. Changes the | 256 // Invoke the JavaScript function in the given register. Changes the |
257 // current context to the context in the function before invoking. | 257 // current context to the context in the function before invoking. |
258 void InvokeFunction(Register function, | 258 void InvokeFunction(Register function, |
259 const ParameterCount& actual, | 259 const ParameterCount& actual, |
260 InvokeFlag flag, | 260 InvokeFlag flag, |
261 CallWrapper* call_wrapper = NULL); | 261 const CallWrapper& call_wrapper = NullCallWrapper()); |
262 | 262 |
263 void InvokeFunction(JSFunction* function, | 263 void InvokeFunction(JSFunction* function, |
264 const ParameterCount& actual, | 264 const ParameterCount& actual, |
265 InvokeFlag flag, | 265 InvokeFlag flag, |
266 CallWrapper* call_wrapper = NULL); | 266 const CallWrapper& call_wrapper = NullCallWrapper()); |
267 | 267 |
268 // Invoke specified builtin JavaScript function. Adds an entry to | 268 // Invoke specified builtin JavaScript function. Adds an entry to |
269 // the unresolved list if the name does not resolve. | 269 // the unresolved list if the name does not resolve. |
270 void InvokeBuiltin(Builtins::JavaScript id, | 270 void InvokeBuiltin(Builtins::JavaScript id, |
271 InvokeFlag flag, | 271 InvokeFlag flag, |
272 CallWrapper* call_wrapper = NULL); | 272 const CallWrapper& call_wrapper = NullCallWrapper()); |
273 | 273 |
274 // Store the function for the given builtin in the target register. | 274 // Store the function for the given builtin in the target register. |
275 void GetBuiltinFunction(Register target, Builtins::JavaScript id); | 275 void GetBuiltinFunction(Register target, Builtins::JavaScript id); |
276 | 276 |
277 // Store the code object for the given builtin in the target register. | 277 // Store the code object for the given builtin in the target register. |
278 void GetBuiltinEntry(Register target, Builtins::JavaScript id); | 278 void GetBuiltinEntry(Register target, Builtins::JavaScript id); |
279 | 279 |
280 | 280 |
281 // --------------------------------------------------------------------------- | 281 // --------------------------------------------------------------------------- |
282 // Smi tagging, untagging and operations on tagged smis. | 282 // Smi tagging, untagging and operations on tagged smis. |
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1119 Handle<Object> code_object_; | 1119 Handle<Object> code_object_; |
1120 | 1120 |
1121 // Helper functions for generating invokes. | 1121 // Helper functions for generating invokes. |
1122 template <typename LabelType> | 1122 template <typename LabelType> |
1123 void InvokePrologue(const ParameterCount& expected, | 1123 void InvokePrologue(const ParameterCount& expected, |
1124 const ParameterCount& actual, | 1124 const ParameterCount& actual, |
1125 Handle<Code> code_constant, | 1125 Handle<Code> code_constant, |
1126 Register code_register, | 1126 Register code_register, |
1127 LabelType* done, | 1127 LabelType* done, |
1128 InvokeFlag flag, | 1128 InvokeFlag flag, |
1129 CallWrapper* call_wrapper); | 1129 const CallWrapper& call_wrapper); |
1130 | 1130 |
1131 // Activation support. | 1131 // Activation support. |
1132 void EnterFrame(StackFrame::Type type); | 1132 void EnterFrame(StackFrame::Type type); |
1133 void LeaveFrame(StackFrame::Type type); | 1133 void LeaveFrame(StackFrame::Type type); |
1134 | 1134 |
1135 void EnterExitFramePrologue(bool save_rax); | 1135 void EnterExitFramePrologue(bool save_rax); |
1136 | 1136 |
1137 // Allocates arg_stack_space * kPointerSize memory (not GCed) on the stack | 1137 // Allocates arg_stack_space * kPointerSize memory (not GCed) on the stack |
1138 // accessible via StackSpaceOperand. | 1138 // accessible via StackSpaceOperand. |
1139 void EnterExitFrameEpilogue(int arg_stack_space, bool save_doubles); | 1139 void EnterExitFrameEpilogue(int arg_stack_space, bool save_doubles); |
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1929 } | 1929 } |
1930 | 1930 |
1931 | 1931 |
1932 template <typename LabelType> | 1932 template <typename LabelType> |
1933 void MacroAssembler::InvokePrologue(const ParameterCount& expected, | 1933 void MacroAssembler::InvokePrologue(const ParameterCount& expected, |
1934 const ParameterCount& actual, | 1934 const ParameterCount& actual, |
1935 Handle<Code> code_constant, | 1935 Handle<Code> code_constant, |
1936 Register code_register, | 1936 Register code_register, |
1937 LabelType* done, | 1937 LabelType* done, |
1938 InvokeFlag flag, | 1938 InvokeFlag flag, |
1939 CallWrapper* call_wrapper) { | 1939 const CallWrapper& call_wrapper) { |
1940 bool definitely_matches = false; | 1940 bool definitely_matches = false; |
1941 NearLabel invoke; | 1941 NearLabel invoke; |
1942 if (expected.is_immediate()) { | 1942 if (expected.is_immediate()) { |
1943 ASSERT(actual.is_immediate()); | 1943 ASSERT(actual.is_immediate()); |
1944 if (expected.immediate() == actual.immediate()) { | 1944 if (expected.immediate() == actual.immediate()) { |
1945 definitely_matches = true; | 1945 definitely_matches = true; |
1946 } else { | 1946 } else { |
1947 Set(rax, actual.immediate()); | 1947 Set(rax, actual.immediate()); |
1948 if (expected.immediate() == | 1948 if (expected.immediate() == |
1949 SharedFunctionInfo::kDontAdaptArgumentsSentinel) { | 1949 SharedFunctionInfo::kDontAdaptArgumentsSentinel) { |
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1978 if (!definitely_matches) { | 1978 if (!definitely_matches) { |
1979 Handle<Code> adaptor = isolate()->builtins()->ArgumentsAdaptorTrampoline(); | 1979 Handle<Code> adaptor = isolate()->builtins()->ArgumentsAdaptorTrampoline(); |
1980 if (!code_constant.is_null()) { | 1980 if (!code_constant.is_null()) { |
1981 movq(rdx, code_constant, RelocInfo::EMBEDDED_OBJECT); | 1981 movq(rdx, code_constant, RelocInfo::EMBEDDED_OBJECT); |
1982 addq(rdx, Immediate(Code::kHeaderSize - kHeapObjectTag)); | 1982 addq(rdx, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
1983 } else if (!code_register.is(rdx)) { | 1983 } else if (!code_register.is(rdx)) { |
1984 movq(rdx, code_register); | 1984 movq(rdx, code_register); |
1985 } | 1985 } |
1986 | 1986 |
1987 if (flag == CALL_FUNCTION) { | 1987 if (flag == CALL_FUNCTION) { |
1988 if (call_wrapper != NULL) call_wrapper->BeforeCall(CallSize(adaptor)); | 1988 call_wrapper.BeforeCall(CallSize(adaptor)); |
1989 Call(adaptor, RelocInfo::CODE_TARGET); | 1989 Call(adaptor, RelocInfo::CODE_TARGET); |
1990 if (call_wrapper != NULL) call_wrapper->AfterCall(); | 1990 call_wrapper.AfterCall(); |
1991 jmp(done); | 1991 jmp(done); |
1992 } else { | 1992 } else { |
1993 Jump(adaptor, RelocInfo::CODE_TARGET); | 1993 Jump(adaptor, RelocInfo::CODE_TARGET); |
1994 } | 1994 } |
1995 bind(&invoke); | 1995 bind(&invoke); |
1996 } | 1996 } |
1997 } | 1997 } |
1998 | 1998 |
1999 | 1999 |
2000 } } // namespace v8::internal | 2000 } } // namespace v8::internal |
2001 | 2001 |
2002 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 2002 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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