Dump INFO CODE_ID containing Build ID in Linux dump_syms

src/common/linux/elfutils.h

 // Copyright (c) 2012, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 31 matching lines @@
 // Traits classes so consumers can write templatized code to deal
 // with specific ELF bits.
 struct ElfClass32 {
   typedef Elf32_Addr Addr;
   typedef Elf32_Ehdr Ehdr;
   typedef Elf32_Nhdr Nhdr;
   typedef Elf32_Phdr Phdr;
   typedef Elf32_Shdr Shdr;
   typedef Elf32_Half Half;
   typedef Elf32_Off Off;
+  typedef Elf32_Sym Sym;
   typedef Elf32_Word Word;
+
   static const int kClass = ELFCLASS32;
+  static const uint16_t kMachine = EM_386;
   static const size_t kAddrSize = sizeof(Elf32_Addr);
+  static constexpr const char* kMachineName = "x86";
 };
 
 struct ElfClass64 {
   typedef Elf64_Addr Addr;
   typedef Elf64_Ehdr Ehdr;
   typedef Elf64_Nhdr Nhdr;
   typedef Elf64_Phdr Phdr;
   typedef Elf64_Shdr Shdr;
   typedef Elf64_Half Half;
   typedef Elf64_Off Off;
+  typedef Elf64_Sym Sym;
   typedef Elf64_Word Word;
+
   static const int kClass = ELFCLASS64;
+  static const uint16_t kMachine = EM_X86_64;
   static const size_t kAddrSize = sizeof(Elf64_Addr);
+  static constexpr const char* kMachineName = "x86_64";
 };
 
 bool IsValidElf(const void* elf_header);
 int ElfClass(const void* elf_base);
 
 // Attempt to find a section named |section_name| of type |section_type|
 // in the ELF binary data at |elf_mapped_base|. On success, returns true
 // and sets |*section_start| to point to the start of the section data,
 // and |*section_size| to the size of the section's data. If |elfclass|
 // is not NULL, set |*elfclass| to the ELF file class.
@@ skipping 31 matching lines @@
 // to specify the return type to avoid having to dynamic_cast the
 // result.
 template<typename ElfClass, typename T>
 const T*
 GetOffset(const typename ElfClass::Ehdr* elf_header,
           typename ElfClass::Off offset);
 
 }  // namespace google_breakpad
 
 #endif  // COMMON_LINUX_ELFUTILS_H_