[Courgette] Sort section headers by sh_offset in ELF flows.

courgette/disassembler_elf_32.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COURGETTE_DISASSEMBLER_ELF_32_H_
 #define COURGETTE_DISASSEMBLER_ELF_32_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 83 matching lines @@
   bool UpdateLength();
 
   // Misc Section Helpers
 
   Elf32_Half SectionHeaderCount() const {
     return section_header_table_size_;
   }
 
   const Elf32_Shdr* SectionHeader(Elf32_Half id) const {
     assert(id >= 0 && id < SectionHeaderCount());
-    return section_header_table_ + id;
+    return &section_header_table_[id];
   }
 
   const uint8_t* SectionBody(Elf32_Half id) const {
     return FileOffsetToPointer(SectionHeader(id)->sh_offset);
   }
 
   // Misc Segment Helpers
 
   Elf32_Half ProgramSegmentHeaderCount() const {
     return program_header_table_size_;
@@ skipping 40 matching lines @@
                               FileOffset end_file_offset,
                               AssemblyProgram* program) WARN_UNUSED_RESULT;
 
   CheckBool ParseAbs32Relocs() WARN_UNUSED_RESULT;
 
   CheckBool CheckSection(RVA rva) WARN_UNUSED_RESULT;
 
   CheckBool ParseRel32RelocsFromSections() WARN_UNUSED_RESULT;
 
   const Elf32_Ehdr* header_;
-  const Elf32_Shdr* section_header_table_;
+  std::vector<Elf32_Shdr> section_header_table_;
   Elf32_Half section_header_table_size_;
 
   const Elf32_Phdr* program_header_table_;
   Elf32_Half program_header_table_size_;
 
   // Section header for default
   const char* default_string_section_;
 
   std::vector<RVA> abs32_locations_;
   ScopedVector<TypedRVA> rel32_locations_;
 
   DISALLOW_COPY_AND_ASSIGN(DisassemblerElf32);
 };
 
 }  // namespace courgette
 
 #endif  // COURGETTE_DISASSEMBLER_ELF_32_H_