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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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58 // <debug break return code entry point address> | 58 // <debug break return code entry point address> |
59 // bktp 0 | 59 // bktp 0 |
60 CodePatcher patcher(rinfo()->pc(), Assembler::kJSReturnSequenceInstructions); | 60 CodePatcher patcher(rinfo()->pc(), Assembler::kJSReturnSequenceInstructions); |
61 #ifdef USE_BLX | 61 #ifdef USE_BLX |
62 patcher.masm()->ldr(v8::internal::ip, MemOperand(v8::internal::pc, 0)); | 62 patcher.masm()->ldr(v8::internal::ip, MemOperand(v8::internal::pc, 0)); |
63 patcher.masm()->blx(v8::internal::ip); | 63 patcher.masm()->blx(v8::internal::ip); |
64 #else | 64 #else |
65 patcher.masm()->mov(v8::internal::lr, v8::internal::pc); | 65 patcher.masm()->mov(v8::internal::lr, v8::internal::pc); |
66 patcher.masm()->ldr(v8::internal::pc, MemOperand(v8::internal::pc, -4)); | 66 patcher.masm()->ldr(v8::internal::pc, MemOperand(v8::internal::pc, -4)); |
67 #endif | 67 #endif |
68 patcher.Emit(Debug::debug_break_return()->entry()); | 68 patcher.Emit(Isolate::Current()->debug()->debug_break_return()->entry()); |
69 patcher.masm()->bkpt(0); | 69 patcher.masm()->bkpt(0); |
70 } | 70 } |
71 | 71 |
72 | 72 |
73 // Restore the JS frame exit code. | 73 // Restore the JS frame exit code. |
74 void BreakLocationIterator::ClearDebugBreakAtReturn() { | 74 void BreakLocationIterator::ClearDebugBreakAtReturn() { |
75 rinfo()->PatchCode(original_rinfo()->pc(), | 75 rinfo()->PatchCode(original_rinfo()->pc(), |
76 Assembler::kJSReturnSequenceInstructions); | 76 Assembler::kJSReturnSequenceInstructions); |
77 } | 77 } |
78 | 78 |
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108 // #endif | 108 // #endif |
109 // <debug break slot code entry point address> | 109 // <debug break slot code entry point address> |
110 CodePatcher patcher(rinfo()->pc(), Assembler::kDebugBreakSlotInstructions); | 110 CodePatcher patcher(rinfo()->pc(), Assembler::kDebugBreakSlotInstructions); |
111 #ifdef USE_BLX | 111 #ifdef USE_BLX |
112 patcher.masm()->ldr(v8::internal::ip, MemOperand(v8::internal::pc, 0)); | 112 patcher.masm()->ldr(v8::internal::ip, MemOperand(v8::internal::pc, 0)); |
113 patcher.masm()->blx(v8::internal::ip); | 113 patcher.masm()->blx(v8::internal::ip); |
114 #else | 114 #else |
115 patcher.masm()->mov(v8::internal::lr, v8::internal::pc); | 115 patcher.masm()->mov(v8::internal::lr, v8::internal::pc); |
116 patcher.masm()->ldr(v8::internal::pc, MemOperand(v8::internal::pc, -4)); | 116 patcher.masm()->ldr(v8::internal::pc, MemOperand(v8::internal::pc, -4)); |
117 #endif | 117 #endif |
118 patcher.Emit(Debug::debug_break_slot()->entry()); | 118 patcher.Emit(Isolate::Current()->debug()->debug_break_slot()->entry()); |
119 } | 119 } |
120 | 120 |
121 | 121 |
122 void BreakLocationIterator::ClearDebugBreakAtSlot() { | 122 void BreakLocationIterator::ClearDebugBreakAtSlot() { |
123 ASSERT(IsDebugBreakSlot()); | 123 ASSERT(IsDebugBreakSlot()); |
124 rinfo()->PatchCode(original_rinfo()->pc(), | 124 rinfo()->PatchCode(original_rinfo()->pc(), |
125 Assembler::kDebugBreakSlotInstructions); | 125 Assembler::kDebugBreakSlotInstructions); |
126 } | 126 } |
127 | 127 |
128 | 128 |
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306 | 306 |
307 #undef __ | 307 #undef __ |
308 | 308 |
309 | 309 |
310 | 310 |
311 #endif // ENABLE_DEBUGGER_SUPPORT | 311 #endif // ENABLE_DEBUGGER_SUPPORT |
312 | 312 |
313 } } // namespace v8::internal | 313 } } // namespace v8::internal |
314 | 314 |
315 #endif // V8_TARGET_ARCH_ARM | 315 #endif // V8_TARGET_ARCH_ARM |
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