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Issue 7945009: Merge experimental/gc branch to the bleeding_edge. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 3 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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63 static const RegList kCalleeSaved = 63 static const RegList kCalleeSaved =
64 1 << 4 | // r4 v1 64 1 << 4 | // r4 v1
65 1 << 5 | // r5 v2 65 1 << 5 | // r5 v2
66 1 << 6 | // r6 v3 66 1 << 6 | // r6 v3
67 1 << 7 | // r7 v4 67 1 << 7 | // r7 v4
68 1 << 8 | // r8 v5 (cp in JavaScript code) 68 1 << 8 | // r8 v5 (cp in JavaScript code)
69 kR9Available << 9 | // r9 v6 69 kR9Available << 9 | // r9 v6
70 1 << 10 | // r10 v7 70 1 << 10 | // r10 v7
71 1 << 11; // r11 v8 (fp in JavaScript code) 71 1 << 11; // r11 v8 (fp in JavaScript code)
72 72
73 // When calling into C++ (only for C++ calls that can't cause a GC).
74 // The call code will take care of lr, fp, etc.
75 static const RegList kCallerSaved =
76 1 << 0 | // r0
77 1 << 1 | // r1
78 1 << 2 | // r2
79 1 << 3 | // r3
80 1 << 9; // r9
81
82
73 static const int kNumCalleeSaved = 7 + kR9Available; 83 static const int kNumCalleeSaved = 7 + kR9Available;
74 84
75 // Double registers d8 to d15 are callee-saved. 85 // Double registers d8 to d15 are callee-saved.
76 static const int kNumDoubleCalleeSaved = 8; 86 static const int kNumDoubleCalleeSaved = 8;
77 87
78 88
79 // Number of registers for which space is reserved in safepoints. Must be a 89 // Number of registers for which space is reserved in safepoints. Must be a
80 // multiple of 8. 90 // multiple of 8.
81 // TODO(regis): Only 8 registers may actually be sufficient. Revisit. 91 // TODO(regis): Only 8 registers may actually be sufficient. Revisit.
82 static const int kNumSafepointRegisters = 16; 92 static const int kNumSafepointRegisters = 16;
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163 173
164 inline Object* JavaScriptFrame::function_slot_object() const { 174 inline Object* JavaScriptFrame::function_slot_object() const {
165 const int offset = JavaScriptFrameConstants::kFunctionOffset; 175 const int offset = JavaScriptFrameConstants::kFunctionOffset;
166 return Memory::Object_at(fp() + offset); 176 return Memory::Object_at(fp() + offset);
167 } 177 }
168 178
169 179
170 } } // namespace v8::internal 180 } } // namespace v8::internal
171 181
172 #endif // V8_ARM_FRAMES_ARM_H_ 182 #endif // V8_ARM_FRAMES_ARM_H_
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