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Issue 195061: Control profiling/debugger support from build script (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years, 3 months ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 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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1163 } 1163 }
1164 #endif 1164 #endif
1165 push(eax); 1165 push(eax);
1166 push(Immediate(p0)); 1166 push(Immediate(p0));
1167 push(Immediate(reinterpret_cast<intptr_t>(Smi::FromInt(p1 - p0)))); 1167 push(Immediate(reinterpret_cast<intptr_t>(Smi::FromInt(p1 - p0))));
1168 CallRuntime(Runtime::kAbort, 2); 1168 CallRuntime(Runtime::kAbort, 2);
1169 // will not return here 1169 // will not return here
1170 } 1170 }
1171 1171
1172 1172
1173 #ifdef ENABLE_DEBUGGER_SUPPORT
1174 CodePatcher::CodePatcher(byte* address, int size) 1173 CodePatcher::CodePatcher(byte* address, int size)
1175 : address_(address), size_(size), masm_(address, size + Assembler::kGap) { 1174 : address_(address), size_(size), masm_(address, size + Assembler::kGap) {
1176 // Create a new macro assembler pointing to the address of the code to patch. 1175 // Create a new macro assembler pointing to the address of the code to patch.
1177 // The size is adjusted with kGap on order for the assembler to generate size 1176 // The size is adjusted with kGap on order for the assembler to generate size
1178 // bytes of instructions without failing with buffer size constraints. 1177 // bytes of instructions without failing with buffer size constraints.
1179 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); 1178 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
1180 } 1179 }
1181 1180
1182 1181
1183 CodePatcher::~CodePatcher() { 1182 CodePatcher::~CodePatcher() {
1184 // Indicate that code has changed. 1183 // Indicate that code has changed.
1185 CPU::FlushICache(address_, size_); 1184 CPU::FlushICache(address_, size_);
1186 1185
1187 // Check that the code was patched as expected. 1186 // Check that the code was patched as expected.
1188 ASSERT(masm_.pc_ == address_ + size_); 1187 ASSERT(masm_.pc_ == address_ + size_);
1189 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); 1188 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
1190 } 1189 }
1191 #endif // ENABLE_DEBUGGER_SUPPORT
1192 1190
1193 1191
1194 } } // namespace v8::internal 1192 } } // namespace v8::internal
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