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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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31 #include "assembler.h" | 31 #include "assembler.h" |
32 | 32 |
33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 | 36 |
37 // Give alias names to registers | 37 // Give alias names to registers |
38 const Register cp = { 8 }; // JavaScript context pointer | 38 const Register cp = { 8 }; // JavaScript context pointer |
39 | 39 |
40 | 40 |
41 // Helper types to make boolean flag easier to read at call-site. | |
42 enum InvokeFlag { | |
43 CALL_FUNCTION, | |
44 JUMP_FUNCTION | |
45 }; | |
46 | |
47 enum InvokeJSFlags { | 41 enum InvokeJSFlags { |
48 CALL_JS, | 42 CALL_JS, |
49 JUMP_JS | 43 JUMP_JS |
50 }; | 44 }; |
51 | 45 |
52 enum ExitJSFlag { | |
53 RETURN, | |
54 DO_NOT_RETURN | |
55 }; | |
56 | |
57 enum CodeLocation { | |
58 IN_JAVASCRIPT, | |
59 IN_JS_ENTRY, | |
60 IN_C_ENTRY | |
61 }; | |
62 | |
63 enum HandlerType { | |
64 TRY_CATCH_HANDLER, | |
65 TRY_FINALLY_HANDLER, | |
66 JS_ENTRY_HANDLER | |
67 }; | |
68 | |
69 | |
70 // Flags used for the AllocateObjectInNewSpace functions. | |
71 enum AllocationFlags { | |
72 // No special flags. | |
73 NO_ALLOCATION_FLAGS = 0, | |
74 // Return the pointer to the allocated already tagged as a heap object. | |
75 TAG_OBJECT = 1 << 0, | |
76 // The content of the result register already contains the allocation top in | |
77 // new space. | |
78 RESULT_CONTAINS_TOP = 1 << 1 | |
79 }; | |
80 | |
81 | 46 |
82 // MacroAssembler implements a collection of frequently used macros. | 47 // MacroAssembler implements a collection of frequently used macros. |
83 class MacroAssembler: public Assembler { | 48 class MacroAssembler: public Assembler { |
84 public: | 49 public: |
85 MacroAssembler(void* buffer, int size); | 50 MacroAssembler(void* buffer, int size); |
86 | 51 |
87 // --------------------------------------------------------------------------- | 52 // --------------------------------------------------------------------------- |
88 // Low-level helpers for compiler | 53 // Low-level helpers for compiler |
89 | 54 |
90 // Jump, Call, and Ret pseudo instructions implementing inter-working | 55 // Jump, Call, and Ret pseudo instructions implementing inter-working |
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387 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 352 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
388 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 353 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
389 #else | 354 #else |
390 #define ACCESS_MASM(masm) masm-> | 355 #define ACCESS_MASM(masm) masm-> |
391 #endif | 356 #endif |
392 | 357 |
393 | 358 |
394 } } // namespace v8::internal | 359 } } // namespace v8::internal |
395 | 360 |
396 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 361 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
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