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1 // Copyright (c) 2011 Google Inc. | 1 // Copyright (c) 2011 Google 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 are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // * Redistributions of source code must retain the above copyright | 8 // * Redistributions of source code must retain the above copyright |
9 // notice, this list of conditions and the following disclaimer. | 9 // notice, this list of conditions and the following disclaimer. |
10 // * Redistributions in binary form must reproduce the above | 10 // * Redistributions in binary form must reproduce the above |
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75 // This namespace contains helper functions. | 75 // This namespace contains helper functions. |
76 namespace { | 76 namespace { |
77 | 77 |
78 using google_breakpad::DumpOptions; | 78 using google_breakpad::DumpOptions; |
79 using google_breakpad::DwarfCFIToModule; | 79 using google_breakpad::DwarfCFIToModule; |
80 using google_breakpad::DwarfCUToModule; | 80 using google_breakpad::DwarfCUToModule; |
81 using google_breakpad::DwarfLineToModule; | 81 using google_breakpad::DwarfLineToModule; |
82 using google_breakpad::ElfClass; | 82 using google_breakpad::ElfClass; |
83 using google_breakpad::ElfClass32; | 83 using google_breakpad::ElfClass32; |
84 using google_breakpad::ElfClass64; | 84 using google_breakpad::ElfClass64; |
| 85 using google_breakpad::FileID; |
85 using google_breakpad::FindElfSectionByName; | 86 using google_breakpad::FindElfSectionByName; |
86 using google_breakpad::GetOffset; | 87 using google_breakpad::GetOffset; |
87 using google_breakpad::IsValidElf; | 88 using google_breakpad::IsValidElf; |
| 89 using google_breakpad::kMaxBuildID; |
88 using google_breakpad::Module; | 90 using google_breakpad::Module; |
89 #ifndef NO_STABS_SUPPORT | 91 #ifndef NO_STABS_SUPPORT |
90 using google_breakpad::StabsToModule; | 92 using google_breakpad::StabsToModule; |
91 #endif | 93 #endif |
92 using google_breakpad::scoped_ptr; | 94 using google_breakpad::scoped_ptr; |
93 | 95 |
94 // Define AARCH64 ELF architecture if host machine does not include this define. | 96 // Define AARCH64 ELF architecture if host machine does not include this define. |
95 #ifndef EM_AARCH64 | 97 #ifndef EM_AARCH64 |
96 #define EM_AARCH64 183 | 98 #define EM_AARCH64 183 |
97 #endif | 99 #endif |
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820 case EM_S390: return "s390"; | 822 case EM_S390: return "s390"; |
821 case EM_SPARC: return "sparc"; | 823 case EM_SPARC: return "sparc"; |
822 case EM_SPARCV9: return "sparcv9"; | 824 case EM_SPARCV9: return "sparcv9"; |
823 case EM_X86_64: return "x86_64"; | 825 case EM_X86_64: return "x86_64"; |
824 default: return NULL; | 826 default: return NULL; |
825 } | 827 } |
826 } | 828 } |
827 | 829 |
828 // Format the Elf file identifier in IDENTIFIER as a UUID with the | 830 // Format the Elf file identifier in IDENTIFIER as a UUID with the |
829 // dashes removed. | 831 // dashes removed. |
830 string FormatIdentifier(unsigned char identifier[16]) { | 832 string FormatIdentifier(unsigned char identifier[kMaxBuildID]) { |
831 char identifier_str[40]; | 833 char identifier_str[40]; |
832 google_breakpad::FileID::ConvertIdentifierToString( | 834 FileID::ConvertIdentifierToString( |
833 identifier, | 835 identifier, |
834 identifier_str, | 836 identifier_str, |
835 sizeof(identifier_str)); | 837 sizeof(identifier_str)); |
836 string id_no_dash; | 838 string id_no_dash; |
837 for (int i = 0; identifier_str[i] != '\0'; ++i) | 839 for (int i = 0; identifier_str[i] != '\0'; ++i) |
838 if (identifier_str[i] != '-') | 840 if (identifier_str[i] != '-') |
839 id_no_dash += identifier_str[i]; | 841 id_no_dash += identifier_str[i]; |
840 // Add an extra "0" by the end. PDB files on Windows have an 'age' | 842 // Add an extra "0" by the end. PDB files on Windows have an 'age' |
841 // number appended to the end of the file identifier; this isn't | 843 // number appended to the end of the file identifier; this isn't |
842 // really used or necessary on other platforms, but be consistent. | 844 // really used or necessary on other platforms, but be consistent. |
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888 template<typename ElfClass> | 890 template<typename ElfClass> |
889 bool ReadSymbolDataElfClass(const typename ElfClass::Ehdr* elf_header, | 891 bool ReadSymbolDataElfClass(const typename ElfClass::Ehdr* elf_header, |
890 const string& obj_filename, | 892 const string& obj_filename, |
891 const std::vector<string>& debug_dirs, | 893 const std::vector<string>& debug_dirs, |
892 const DumpOptions& options, | 894 const DumpOptions& options, |
893 Module** out_module) { | 895 Module** out_module) { |
894 typedef typename ElfClass::Ehdr Ehdr; | 896 typedef typename ElfClass::Ehdr Ehdr; |
895 | 897 |
896 *out_module = NULL; | 898 *out_module = NULL; |
897 | 899 |
898 unsigned char identifier[16]; | 900 unsigned char identifier[kMaxBuildID]; |
899 if (!google_breakpad::FileID::ElfFileIdentifierFromMappedFile(elf_header, | 901 size_t identifier_length; |
900 identifier)) { | 902 if (!FileID::ElfFileIdentifierFromMappedFile(elf_header, |
| 903 identifier, |
| 904 &identifier_length)) { |
901 fprintf(stderr, "%s: unable to generate file identifier\n", | 905 fprintf(stderr, "%s: unable to generate file identifier\n", |
902 obj_filename.c_str()); | 906 obj_filename.c_str()); |
903 return false; | 907 return false; |
904 } | 908 } |
905 | 909 |
906 const char *architecture = ElfArchitecture<ElfClass>(elf_header); | 910 const char *architecture = ElfArchitecture<ElfClass>(elf_header); |
907 if (!architecture) { | 911 if (!architecture) { |
908 fprintf(stderr, "%s: unrecognized ELF machine architecture: %d\n", | 912 fprintf(stderr, "%s: unrecognized ELF machine architecture: %d\n", |
909 obj_filename.c_str(), elf_header->e_machine); | 913 obj_filename.c_str(), elf_header->e_machine); |
910 return false; | 914 return false; |
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1000 MmapWrapper map_wrapper; | 1004 MmapWrapper map_wrapper; |
1001 void* elf_header = NULL; | 1005 void* elf_header = NULL; |
1002 if (!LoadELF(obj_file, &map_wrapper, &elf_header)) | 1006 if (!LoadELF(obj_file, &map_wrapper, &elf_header)) |
1003 return false; | 1007 return false; |
1004 | 1008 |
1005 return ReadSymbolDataInternal(reinterpret_cast<uint8_t*>(elf_header), | 1009 return ReadSymbolDataInternal(reinterpret_cast<uint8_t*>(elf_header), |
1006 obj_file, debug_dirs, options, module); | 1010 obj_file, debug_dirs, options, module); |
1007 } | 1011 } |
1008 | 1012 |
1009 } // namespace google_breakpad | 1013 } // namespace google_breakpad |
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