C++ (Cpp) dladdr_find_symbolの例

コード例 #1

ファイル: dlfcn.cpp プロジェクト: Bruce-Zou/android-actions

int dladdr(const void* addr, Dl_info* info) {
  ScopedPthreadMutexLocker locker(&g_dl_mutex);

  // Determine if this address can be found in any library currently mapped.
  soinfo* si = find_containing_library(addr);
  if (si == nullptr) {
    return 0;
  }

  memset(info, 0, sizeof(Dl_info));

  info->dli_fname = si->name;
  // Address at which the shared object is loaded.
  info->dli_fbase = reinterpret_cast<void*>(si->base);

  // Determine if any symbol in the library contains the specified address.
  ElfW(Sym)* sym = dladdr_find_symbol(si, addr);
  if (sym != nullptr) {
    info->dli_sname = si->get_string(sym->st_name);
    info->dli_saddr = reinterpret_cast<void*>(si->resolve_symbol_address(sym));
  }

  return 1;
}

コード例 #2

ファイル: dlfcn.cpp プロジェクト: ProjectRetroScope/RetroScope

int dladdr(const void* addr, Dl_info* info) {
  ScopedPthreadMutexLocker locker(&gDlMutex);

  // Determine if this address can be found in any library currently mapped.
  soinfo* si = find_containing_library(addr);
  if (si == NULL) {
    return 0;
  }

  memset(info, 0, sizeof(Dl_info));

  info->dli_fname = si->name;
  // Address at which the shared object is loaded.
  info->dli_fbase = (void*) si->base;

  // Determine if any symbol in the library contains the specified address.
  Elf32_Sym *sym = dladdr_find_symbol(si, addr);
  if (sym != NULL) {
    info->dli_sname = si->strtab + sym->st_name;
    info->dli_saddr = (void*)(si->load_bias + sym->st_value);
  }

  return 1;
}