elfutils-inl.h 2.7 KB

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  1. // Copyright (c) 2012, Google Inc.
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  4. // Redistribution and use in source and binary forms, with or without
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  29. #ifndef COMMON_LINUX_ELFUTILS_INL_H__
  30. #define COMMON_LINUX_ELFUTILS_INL_H__
  31. #include "common/linux/linux_libc_support.h"
  32. #include "elfutils.h"
  33. namespace google_breakpad {
  34. template<typename ElfClass, typename T>
  35. const T* GetOffset(const typename ElfClass::Ehdr* elf_header,
  36. typename ElfClass::Off offset) {
  37. return reinterpret_cast<const T*>(reinterpret_cast<uintptr_t>(elf_header) +
  38. offset);
  39. }
  40. template<typename ElfClass>
  41. const typename ElfClass::Shdr* FindElfSectionByName(
  42. const char* name,
  43. typename ElfClass::Word section_type,
  44. const typename ElfClass::Shdr* sections,
  45. const char* section_names,
  46. const char* names_end,
  47. int nsection) {
  48. assert(name != NULL);
  49. assert(sections != NULL);
  50. assert(nsection > 0);
  51. int name_len = my_strlen(name);
  52. if (name_len == 0)
  53. return NULL;
  54. for (int i = 0; i < nsection; ++i) {
  55. const char* section_name = section_names + sections[i].sh_name;
  56. if (sections[i].sh_type == section_type &&
  57. names_end - section_name >= name_len + 1 &&
  58. my_strcmp(name, section_name) == 0) {
  59. return sections + i;
  60. }
  61. }
  62. return NULL;
  63. }
  64. } // namespace google_breakpad
  65. #endif // COMMON_LINUX_ELFUTILS_INL_H__