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Issue 7050039: Revert 8122 (stub call asserts) while test failures are investigated. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 6 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 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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86 #include "mips/assembler-mips-inl.h" 86 #include "mips/assembler-mips-inl.h"
87 #include "code.h" // must be after assembler_*.h 87 #include "code.h" // must be after assembler_*.h
88 #include "mips/macro-assembler-mips.h" 88 #include "mips/macro-assembler-mips.h"
89 #else 89 #else
90 #error Unsupported target architecture. 90 #error Unsupported target architecture.
91 #endif 91 #endif
92 92
93 namespace v8 { 93 namespace v8 {
94 namespace internal { 94 namespace internal {
95 95
96 class FrameScope {
97 public:
98 explicit FrameScope(MacroAssembler* masm, StackFrame::Type type)
99 : masm_(masm), type_(type) {
100 ASSERT(!masm->has_frame());
101 masm->set_has_frame(true);
102 if (type != StackFrame::MANUAL && type_ != StackFrame::NONE) {
103 masm->EnterFrame(type);
104 }
105 }
106
107 ~FrameScope() {
108 if (type_ != StackFrame::MANUAL && type_ != StackFrame::NONE) {
109 masm_->LeaveFrame(type_);
110 }
111 masm_->set_has_frame(false);
112 }
113
114 // Normally we generate the leave-frame code when this object goes
115 // out of scope. Sometimes we may need to generate the code somewhere else
116 // in addition. Calling this will achieve that, but the object stays in
117 // scope, the MacroAssembler is still marked as being in a frame scope, and
118 // the code will be generated again when it goes out of scope.
119 void GenerateLeaveFrame() {
120 masm_->LeaveFrame(type_);
121 }
122
123 private:
124 MacroAssembler* masm_;
125 StackFrame::Type type_;
126 };
127
128
129 class AllowExternalCallThatCantCauseGC: public FrameScope {
130 public:
131 explicit AllowExternalCallThatCantCauseGC(MacroAssembler* masm)
132 : FrameScope(masm, StackFrame::NONE) { }
133 };
134
135
136 class NoCurrentFrameScope {
137 public:
138 explicit NoCurrentFrameScope(MacroAssembler* masm)
139 : masm_(masm), saved_(masm->has_frame()) {
140 masm->set_has_frame(false);
141 }
142
143 ~NoCurrentFrameScope() {
144 masm_->set_has_frame(saved_);
145 }
146
147 private:
148 MacroAssembler* masm_;
149 bool saved_;
150 };
151
152
153 // Support for "structured" code comments. 96 // Support for "structured" code comments.
154 #ifdef DEBUG 97 #ifdef DEBUG
155 98
156 class Comment { 99 class Comment {
157 public: 100 public:
158 Comment(MacroAssembler* masm, const char* msg); 101 Comment(MacroAssembler* masm, const char* msg);
159 ~Comment(); 102 ~Comment();
160 103
161 private: 104 private:
162 MacroAssembler* masm_; 105 MacroAssembler* masm_;
163 const char* msg_; 106 const char* msg_;
164 }; 107 };
165 108
166 #else 109 #else
167 110
168 class Comment { 111 class Comment {
169 public: 112 public:
170 Comment(MacroAssembler*, const char*) {} 113 Comment(MacroAssembler*, const char*) {}
171 }; 114 };
172 115
173 #endif // DEBUG 116 #endif // DEBUG
174 117
175 } } // namespace v8::internal 118 } } // namespace v8::internal
176 119
177 #endif // V8_MACRO_ASSEMBLER_H_ 120 #endif // V8_MACRO_ASSEMBLER_H_
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