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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 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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24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_X64_FRAMES_X64_H_ | 28 #ifndef V8_X64_FRAMES_X64_H_ |
29 #define V8_X64_FRAMES_X64_H_ | 29 #define V8_X64_FRAMES_X64_H_ |
30 | 30 |
31 namespace v8 { | 31 namespace v8 { |
32 namespace internal { | 32 namespace internal { |
33 | 33 |
34 // TODO(x64): This is a stub, mostly just a copy of the ia32 bit version. | |
35 // This might all need to change to be correct for x64. | |
36 | |
37 static const int kNumRegs = 8; | 34 static const int kNumRegs = 8; |
38 static const RegList kJSCallerSaved = | 35 static const RegList kJSCallerSaved = |
39 1 << 0 | // rax | 36 1 << 0 | // rax |
40 1 << 1 | // rcx | 37 1 << 1 | // rcx |
41 1 << 2 | // rdx | 38 1 << 2 | // rdx |
42 1 << 3 | // rbx - used as a caller-saved register in JavaScript code | 39 1 << 3 | // rbx - used as a caller-saved register in JavaScript code |
43 1 << 7; // rdi - callee function | 40 1 << 7; // rdi - callee function |
44 | 41 |
45 static const int kNumJSCallerSaved = 5; | 42 static const int kNumJSCallerSaved = 5; |
46 | 43 |
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115 | 112 |
116 | 113 |
117 inline Object* JavaScriptFrame::function_slot_object() const { | 114 inline Object* JavaScriptFrame::function_slot_object() const { |
118 const int offset = JavaScriptFrameConstants::kFunctionOffset; | 115 const int offset = JavaScriptFrameConstants::kFunctionOffset; |
119 return Memory::Object_at(fp() + offset); | 116 return Memory::Object_at(fp() + offset); |
120 } | 117 } |
121 | 118 |
122 } } // namespace v8::internal | 119 } } // namespace v8::internal |
123 | 120 |
124 #endif // V8_X64_FRAMES_X64_H_ | 121 #endif // V8_X64_FRAMES_X64_H_ |
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