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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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70 | 70 |
71 // --------------------------------------------------------------------------- | 71 // --------------------------------------------------------------------------- |
72 // Activation frames | 72 // Activation frames |
73 | 73 |
74 void EnterInternalFrame() { EnterFrame(StackFrame::INTERNAL); } | 74 void EnterInternalFrame() { EnterFrame(StackFrame::INTERNAL); } |
75 void LeaveInternalFrame() { LeaveFrame(StackFrame::INTERNAL); } | 75 void LeaveInternalFrame() { LeaveFrame(StackFrame::INTERNAL); } |
76 | 76 |
77 void EnterConstructFrame() { EnterFrame(StackFrame::CONSTRUCT); } | 77 void EnterConstructFrame() { EnterFrame(StackFrame::CONSTRUCT); } |
78 void LeaveConstructFrame() { LeaveFrame(StackFrame::CONSTRUCT); } | 78 void LeaveConstructFrame() { LeaveFrame(StackFrame::CONSTRUCT); } |
79 | 79 |
80 // Enter specific kind of exit frame; either in normal or debug mode. | 80 // Enter specific kind of exit frame; either EXIT or |
81 // Expects the number of arguments in register eax and | 81 // EXIT_DEBUG. Expects the number of arguments in register eax and |
82 // sets up the number of arguments in register edi and the pointer | 82 // sets up the number of arguments in register edi and the pointer |
83 // to the first argument in register esi. | 83 // to the first argument in register esi. |
84 void EnterExitFrame(ExitFrame::Mode mode); | 84 void EnterExitFrame(StackFrame::Type type); |
85 | |
86 void EnterApiExitFrame(ExitFrame::Mode mode, int stack_space, int argc); | |
87 | 85 |
88 // Leave the current exit frame. Expects the return value in | 86 // Leave the current exit frame. Expects the return value in |
89 // register eax:edx (untouched) and the pointer to the first | 87 // register eax:edx (untouched) and the pointer to the first |
90 // argument in register esi. | 88 // argument in register esi. |
91 void LeaveExitFrame(ExitFrame::Mode mode); | 89 void LeaveExitFrame(StackFrame::Type type); |
92 | 90 |
93 | 91 |
94 // --------------------------------------------------------------------------- | 92 // --------------------------------------------------------------------------- |
95 // JavaScript invokes | 93 // JavaScript invokes |
96 | 94 |
97 // Invoke the JavaScript function code by either calling or jumping. | 95 // Invoke the JavaScript function code by either calling or jumping. |
98 void InvokeCode(const Operand& code, | 96 void InvokeCode(const Operand& code, |
99 const ParameterCount& expected, | 97 const ParameterCount& expected, |
100 const ParameterCount& actual, | 98 const ParameterCount& actual, |
101 InvokeFlag flag); | 99 InvokeFlag flag); |
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264 // Convenience function: Same as above, but takes the fid instead. | 262 // Convenience function: Same as above, but takes the fid instead. |
265 void CallRuntime(Runtime::FunctionId id, int num_arguments); | 263 void CallRuntime(Runtime::FunctionId id, int num_arguments); |
266 | 264 |
267 // Tail call of a runtime routine (jump). | 265 // Tail call of a runtime routine (jump). |
268 // Like JumpToRuntime, but also takes care of passing the number | 266 // Like JumpToRuntime, but also takes care of passing the number |
269 // of arguments. | 267 // of arguments. |
270 void TailCallRuntime(const ExternalReference& ext, | 268 void TailCallRuntime(const ExternalReference& ext, |
271 int num_arguments, | 269 int num_arguments, |
272 int result_size); | 270 int result_size); |
273 | 271 |
274 void PushHandleScope(Register scratch); | |
275 void PopHandleScope(Register scratch); | |
276 | |
277 // Jump to a runtime routine. | 272 // Jump to a runtime routine. |
278 void JumpToRuntime(const ExternalReference& ext); | 273 void JumpToRuntime(const ExternalReference& ext); |
279 | 274 |
280 | 275 |
281 // --------------------------------------------------------------------------- | 276 // --------------------------------------------------------------------------- |
282 // Utilities | 277 // Utilities |
283 | 278 |
284 void Ret(); | 279 void Ret(); |
285 | 280 |
286 struct Unresolved { | 281 struct Unresolved { |
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344 // returns the builtin code object for IllegalFunction, and sets the | 339 // returns the builtin code object for IllegalFunction, and sets the |
345 // output parameter "resolved" to false. Code that uses the return value | 340 // output parameter "resolved" to false. Code that uses the return value |
346 // should then add the address and the builtin name to the list of fixups | 341 // should then add the address and the builtin name to the list of fixups |
347 // called unresolved_, which is fixed up by the bootstrapper. | 342 // called unresolved_, which is fixed up by the bootstrapper. |
348 Handle<Code> ResolveBuiltin(Builtins::JavaScript id, bool* resolved); | 343 Handle<Code> ResolveBuiltin(Builtins::JavaScript id, bool* resolved); |
349 | 344 |
350 // Activation support. | 345 // Activation support. |
351 void EnterFrame(StackFrame::Type type); | 346 void EnterFrame(StackFrame::Type type); |
352 void LeaveFrame(StackFrame::Type type); | 347 void LeaveFrame(StackFrame::Type type); |
353 | 348 |
354 void EnterExitFramePrologue(ExitFrame::Mode mode); | |
355 void EnterExitFrameEpilogue(ExitFrame::Mode mode, int argc); | |
356 | |
357 // Allocation support helpers. | 349 // Allocation support helpers. |
358 void LoadAllocationTopHelper(Register result, | 350 void LoadAllocationTopHelper(Register result, |
359 Register result_end, | 351 Register result_end, |
360 Register scratch, | 352 Register scratch, |
361 AllocationFlags flags); | 353 AllocationFlags flags); |
362 void UpdateAllocationTopHelper(Register result_end, Register scratch); | 354 void UpdateAllocationTopHelper(Register result_end, Register scratch); |
363 }; | 355 }; |
364 | 356 |
365 | 357 |
366 // The code patcher is used to patch (typically) small parts of code e.g. for | 358 // The code patcher is used to patch (typically) small parts of code e.g. for |
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419 } \ | 411 } \ |
420 masm-> | 412 masm-> |
421 #else | 413 #else |
422 #define ACCESS_MASM(masm) masm-> | 414 #define ACCESS_MASM(masm) masm-> |
423 #endif | 415 #endif |
424 | 416 |
425 | 417 |
426 } } // namespace v8::internal | 418 } } // namespace v8::internal |
427 | 419 |
428 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ | 420 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ |
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