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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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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 #include "v8.h" | 28 #include "v8.h" |
29 | 29 |
30 #include "codegen-inl.h" | 30 #include "codegen-inl.h" |
31 #include "debug.h" | 31 #include "debug.h" |
32 | 32 |
33 | 33 |
34 namespace v8 { namespace internal { | 34 namespace v8 { namespace internal { |
35 | 35 |
| 36 #ifdef ENABLE_DEBUGGER_SUPPORT |
36 | 37 |
37 // A debug break in the frame exit code is identified by a call instruction. | 38 // A debug break in the frame exit code is identified by a call instruction. |
38 bool BreakLocationIterator::IsDebugBreakAtReturn() { | 39 bool BreakLocationIterator::IsDebugBreakAtReturn() { |
39 // Opcode E8 is call. | 40 // Opcode E8 is call. |
40 return Debug::IsDebugBreakAtReturn(rinfo()); | 41 return Debug::IsDebugBreakAtReturn(rinfo()); |
41 } | 42 } |
42 | 43 |
43 | 44 |
44 // Patch the JS frame exit code with a debug break call. See | 45 // Patch the JS frame exit code with a debug break call. See |
45 // CodeGenerator::VisitReturnStatement and VirtualFrame::Exit in codegen-ia32.cc | 46 // CodeGenerator::VisitReturnStatement and VirtualFrame::Exit in codegen-ia32.cc |
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207 // Register state for stub CallFunction (from CallFunctionStub in ic-ia32.cc). | 208 // Register state for stub CallFunction (from CallFunctionStub in ic-ia32.cc). |
208 // ----------- S t a t e ------------- | 209 // ----------- S t a t e ------------- |
209 // No registers used on entry. | 210 // No registers used on entry. |
210 // ----------------------------------- | 211 // ----------------------------------- |
211 Generate_DebugBreakCallHelper(masm, 0, false); | 212 Generate_DebugBreakCallHelper(masm, 0, false); |
212 } | 213 } |
213 | 214 |
214 | 215 |
215 #undef __ | 216 #undef __ |
216 | 217 |
| 218 #endif // ENABLE_DEBUGGER_SUPPORT |
217 | 219 |
218 } } // namespace v8::internal | 220 } } // namespace v8::internal |
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