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Issue 301633005: Merge Debugger and Debug. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 6 months ago
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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. 1 // Copyright (c) 1994-2006 Sun Microsystems Inc.
2 // All Rights Reserved. 2 // All Rights Reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions 5 // modification, are permitted provided that the following conditions
6 // are met: 6 // are met:
7 // 7 //
8 // - Redistributions of source code must retain the above copyright notice, 8 // - Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer. 9 // this list of conditions and the following disclaimer.
10 // 10 //
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1346 void RecordComment(const char* msg); 1346 void RecordComment(const char* msg);
1347 1347
1348 // Record the emission of a constant pool. 1348 // Record the emission of a constant pool.
1349 // 1349 //
1350 // The emission of constant pool depends on the size of the code generated and 1350 // The emission of constant pool depends on the size of the code generated and
1351 // the number of RelocInfo recorded. 1351 // the number of RelocInfo recorded.
1352 // The Debug mechanism needs to map code offsets between two versions of a 1352 // The Debug mechanism needs to map code offsets between two versions of a
1353 // function, compiled with and without debugger support (see for example 1353 // function, compiled with and without debugger support (see for example
1354 // Debug::PrepareForBreakPoints()). 1354 // Debug::PrepareForBreakPoints()).
1355 // Compiling functions with debugger support generates additional code 1355 // Compiling functions with debugger support generates additional code
1356 // (Debug::GenerateSlot()). This may affect the emission of the constant 1356 // (DebugCodegen::GenerateSlot()). This may affect the emission of the
1357 // pools and cause the version of the code with debugger support to have 1357 // constant pools and cause the version of the code with debugger support to
1358 // constant pools generated in different places. 1358 // have constant pools generated in different places.
1359 // Recording the position and size of emitted constant pools allows to 1359 // Recording the position and size of emitted constant pools allows to
1360 // correctly compute the offset mappings between the different versions of a 1360 // correctly compute the offset mappings between the different versions of a
1361 // function in all situations. 1361 // function in all situations.
1362 // 1362 //
1363 // The parameter indicates the size of the constant pool (in bytes), including 1363 // The parameter indicates the size of the constant pool (in bytes), including
1364 // the marker and branch over the data. 1364 // the marker and branch over the data.
1365 void RecordConstPool(int size); 1365 void RecordConstPool(int size);
1366 1366
1367 // Writes a single byte or word of data in the code stream. Used 1367 // Writes a single byte or word of data in the code stream. Used
1368 // for inline tables, e.g., jump-tables. The constant pool should be 1368 // for inline tables, e.g., jump-tables. The constant pool should be
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1629 public: 1629 public:
1630 explicit EnsureSpace(Assembler* assembler) { 1630 explicit EnsureSpace(Assembler* assembler) {
1631 assembler->CheckBuffer(); 1631 assembler->CheckBuffer();
1632 } 1632 }
1633 }; 1633 };
1634 1634
1635 1635
1636 } } // namespace v8::internal 1636 } } // namespace v8::internal
1637 1637
1638 #endif // V8_ARM_ASSEMBLER_ARM_H_ 1638 #endif // V8_ARM_ASSEMBLER_ARM_H_
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