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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 | 
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|   101  |   101  | 
|   102 // ----------------------------------------------------------------------------- |   102 // ----------------------------------------------------------------------------- | 
|   103 // Static helper functions. |   103 // Static helper functions. | 
|   104  |   104  | 
|   105 inline MemOperand ContextOperand(Register context, int index) { |   105 inline MemOperand ContextOperand(Register context, int index) { | 
|   106   return MemOperand(context, Context::SlotOffset(index)); |   106   return MemOperand(context, Context::SlotOffset(index)); | 
|   107 } |   107 } | 
|   108  |   108  | 
|   109  |   109  | 
|   110 inline MemOperand GlobalObjectOperand()  { |   110 inline MemOperand GlobalObjectOperand()  { | 
|   111   return ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX); |   111   return ContextOperand(cp, Context::GLOBAL_INDEX); | 
|   112 } |   112 } | 
|   113  |   113  | 
|   114  |   114  | 
|   115 // Generate a MemOperand for loading a field from an object. |   115 // Generate a MemOperand for loading a field from an object. | 
|   116 inline MemOperand FieldMemOperand(Register object, int offset) { |   116 inline MemOperand FieldMemOperand(Register object, int offset) { | 
|   117   return MemOperand(object, offset - kHeapObjectTag); |   117   return MemOperand(object, offset - kHeapObjectTag); | 
|   118 } |   118 } | 
|   119  |   119  | 
|   120  |   120  | 
|   121 // Generate a MemOperand for storing arguments 5..N on the stack |   121 // Generate a MemOperand for storing arguments 5..N on the stack | 
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|   799  |   799  | 
|   800   // Get the actual activation frame alignment for target environment. |   800   // Get the actual activation frame alignment for target environment. | 
|   801   static int ActivationFrameAlignment(); |   801   static int ActivationFrameAlignment(); | 
|   802  |   802  | 
|   803   // Make sure the stack is aligned. Only emits code in debug mode. |   803   // Make sure the stack is aligned. Only emits code in debug mode. | 
|   804   void AssertStackIsAligned(); |   804   void AssertStackIsAligned(); | 
|   805  |   805  | 
|   806   void LoadContext(Register dst, int context_chain_length); |   806   void LoadContext(Register dst, int context_chain_length); | 
|   807  |   807  | 
|   808   // Conditionally load the cached Array transitioned map of type |   808   // Conditionally load the cached Array transitioned map of type | 
|   809   // transitioned_kind from the native context if the map in register |   809   // transitioned_kind from the global context if the map in register | 
|   810   // map_in_out is the cached Array map in the native context of |   810   // map_in_out is the cached Array map in the global context of | 
|   811   // expected_kind. |   811   // expected_kind. | 
|   812   void LoadTransitionedArrayMapConditional( |   812   void LoadTransitionedArrayMapConditional( | 
|   813       ElementsKind expected_kind, |   813       ElementsKind expected_kind, | 
|   814       ElementsKind transitioned_kind, |   814       ElementsKind transitioned_kind, | 
|   815       Register map_in_out, |   815       Register map_in_out, | 
|   816       Register scratch, |   816       Register scratch, | 
|   817       Label* no_map_match); |   817       Label* no_map_match); | 
|   818  |   818  | 
|   819   // Load the initial map for new Arrays from a JSFunction. |   819   // Load the initial map for new Arrays from a JSFunction. | 
|   820   void LoadInitialArrayMap(Register function_in, |   820   void LoadInitialArrayMap(Register function_in, | 
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|  1535 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) |  1535 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) | 
|  1536 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |  1536 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 
|  1537 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |  1537 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 
|  1538 #else |  1538 #else | 
|  1539 #define ACCESS_MASM(masm) masm-> |  1539 #define ACCESS_MASM(masm) masm-> | 
|  1540 #endif |  1540 #endif | 
|  1541  |  1541  | 
|  1542 } }  // namespace v8::internal |  1542 } }  // namespace v8::internal | 
|  1543  |  1543  | 
|  1544 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |  1544 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 
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