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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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74 | 74 |
75 | 75 |
76 Operand::Operand(Register base, int32_t disp): rex_(0) { | 76 Operand::Operand(Register base, int32_t disp): rex_(0) { |
77 len_ = 1; | 77 len_ = 1; |
78 if (base.is(rsp) || base.is(r12)) { | 78 if (base.is(rsp) || base.is(r12)) { |
79 // SIB byte is needed to encode (rsp + offset) or (r12 + offset). | 79 // SIB byte is needed to encode (rsp + offset) or (r12 + offset). |
80 set_sib(kTimes1, rsp, base); | 80 set_sib(kTimes1, rsp, base); |
81 } | 81 } |
82 | 82 |
83 if (disp == 0 && !base.is(rbp) && !base.is(r13)) { | 83 if (disp == 0 && !base.is(rbp) && !base.is(r13)) { |
84 set_modrm(0, rsp); | 84 set_modrm(0, base); |
85 } else if (is_int8(disp)) { | 85 } else if (is_int8(disp)) { |
86 set_modrm(1, base); | 86 set_modrm(1, base); |
87 set_disp8(disp); | 87 set_disp8(disp); |
88 } else { | 88 } else { |
89 set_modrm(2, base); | 89 set_modrm(2, base); |
90 set_disp32(disp); | 90 set_disp32(disp); |
91 } | 91 } |
92 } | 92 } |
93 | 93 |
94 | 94 |
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1691 UNIMPLEMENTED(); | 1691 UNIMPLEMENTED(); |
1692 return NULL; | 1692 return NULL; |
1693 } | 1693 } |
1694 | 1694 |
1695 byte* JavaScriptFrame::GetCallerStackPointer() const { | 1695 byte* JavaScriptFrame::GetCallerStackPointer() const { |
1696 UNIMPLEMENTED(); | 1696 UNIMPLEMENTED(); |
1697 return NULL; | 1697 return NULL; |
1698 } | 1698 } |
1699 | 1699 |
1700 } } // namespace v8::internal | 1700 } } // namespace v8::internal |
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