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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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| 930 uint32_t version_; | 930 uint32_t version_; |
| 931 uint32_t action_flag_; | 931 uint32_t action_flag_; |
| 932 JITCodeEntry *relevant_entry_; | 932 JITCodeEntry *relevant_entry_; |
| 933 JITCodeEntry *first_entry_; | 933 JITCodeEntry *first_entry_; |
| 934 }; | 934 }; |
| 935 | 935 |
| 936 // GDB will place breakpoint into this function. | 936 // GDB will place breakpoint into this function. |
| 937 // To prevent GCC from inlining or removing it we place noinline attribute | 937 // To prevent GCC from inlining or removing it we place noinline attribute |
| 938 // and inline assembler statement inside. | 938 // and inline assembler statement inside. |
| 939 void __attribute__((noinline)) __jit_debug_register_code() { | 939 void __attribute__((noinline)) __jit_debug_register_code() { |
| 940 __asm__ (""); | 940 __asm__(""); |
| 941 } | 941 } |
| 942 | 942 |
| 943 // GDB will inspect contents of this descriptor. | 943 // GDB will inspect contents of this descriptor. |
| 944 // Static initialization is necessary to prevent GDB from seeing | 944 // Static initialization is necessary to prevent GDB from seeing |
| 945 // uninitialized descriptor. | 945 // uninitialized descriptor. |
| 946 JITDescriptor __jit_debug_descriptor = { 1, 0, 0, 0 }; | 946 JITDescriptor __jit_debug_descriptor = { 1, 0, 0, 0 }; |
| 947 } | 947 } |
| 948 | 948 |
| 949 | 949 |
| 950 static JITCodeEntry* CreateCodeEntry(Address symfile_addr, | 950 static JITCodeEntry* CreateCodeEntry(Address symfile_addr, |
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| 1161 GDBJITLineInfo* line_info) { | 1161 GDBJITLineInfo* line_info) { |
| 1162 ASSERT(!IsLineInfoTagged(line_info)); | 1162 ASSERT(!IsLineInfoTagged(line_info)); |
| 1163 HashMap::Entry* e = entries.Lookup(code, HashForCodeObject(code), true); | 1163 HashMap::Entry* e = entries.Lookup(code, HashForCodeObject(code), true); |
| 1164 ASSERT(e->value == NULL); | 1164 ASSERT(e->value == NULL); |
| 1165 e->value = TagLineInfo(line_info); | 1165 e->value = TagLineInfo(line_info); |
| 1166 } | 1166 } |
| 1167 | 1167 |
| 1168 | 1168 |
| 1169 } } // namespace v8::internal | 1169 } } // namespace v8::internal |
| 1170 #endif | 1170 #endif |
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