1 files changed, 0 insertions, 202 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/linux/file_id.cc b/toolkit/crashreporter/google-breakpad/src/common/linux/file_id.cc
deleted file mode 100644
index 311e03020..000000000
--- a/toolkit/crashreporter/google-breakpad/src/common/linux/file_id.cc
+++ /dev/null
@@ -1,202 +0,0 @@
-// Copyright (c) 2006, 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
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// file_id.cc: Return a unique identifier for a file
-//
-// See file_id.h for documentation
-//
-
-#include "common/linux/file_id.h"
-
-#include <arpa/inet.h>
-#include <assert.h>
-#include <string.h>
-
-#include <algorithm>
-#include <string>
-
-#include "common/linux/elf_gnu_compat.h"
-#include "common/linux/elfutils.h"
-#include "common/linux/linux_libc_support.h"
-#include "common/linux/memory_mapped_file.h"
-#include "common/using_std_string.h"
-#include "third_party/lss/linux_syscall_support.h"
-
-namespace google_breakpad {
-
-// Used in a few places for backwards-compatibility.
-const size_t kMDGUIDSize = sizeof(MDGUID);
-
-FileID::FileID(const char* path) : path_(path) {}
-
-// ELF note name and desc are 32-bits word padded.
-#define NOTE_PADDING(a) ((a + 3) & ~3)
-
-// These functions are also used inside the crashed process, so be safe
-// and use the syscall/libc wrappers instead of direct syscalls or libc.
-
-template<typename ElfClass>
-static bool ElfClassBuildIDNoteIdentifier(const void *section, size_t length,
-                                          wasteful_vector<uint8_t>& identifier) {
-  typedef typename ElfClass::Nhdr Nhdr;
-
-  const void* section_end = reinterpret_cast<const char*>(section) + length;
-  const Nhdr* note_header = reinterpret_cast<const Nhdr*>(section);
-  while (reinterpret_cast<const void *>(note_header) < section_end) {
-    if (note_header->n_type == NT_GNU_BUILD_ID)
-      break;
-    note_header = reinterpret_cast<const Nhdr*>(
-                  reinterpret_cast<const char*>(note_header) + sizeof(Nhdr) +
-                  NOTE_PADDING(note_header->n_namesz) +
-                  NOTE_PADDING(note_header->n_descsz));
-  }
-  if (reinterpret_cast<const void *>(note_header) >= section_end ||
-      note_header->n_descsz == 0) {
-    return false;
-  }
-
-  const uint8_t* build_id = reinterpret_cast<const uint8_t*>(note_header) +
-    sizeof(Nhdr) + NOTE_PADDING(note_header->n_namesz);
-  identifier.insert(identifier.end(),
-                    build_id,
-                    build_id + note_header->n_descsz);
-
-  return true;
-}
-
-// Attempt to locate a .note.gnu.build-id section in an ELF binary
-// and copy it into |identifier|.
-static bool FindElfBuildIDNote(const void* elf_mapped_base,
-                               wasteful_vector<uint8_t>& identifier) {
-  void* note_section;
-  size_t note_size;
-  int elfclass;
-  if ((!FindElfSegment(elf_mapped_base, PT_NOTE,
-                       (const void**)&note_section, &note_size, &elfclass) ||
-      note_size == 0)  &&
-      (!FindElfSection(elf_mapped_base, ".note.gnu.build-id", SHT_NOTE,
-                       (const void**)&note_section, &note_size, &elfclass) ||
-      note_size == 0)) {
-    return false;
-  }
-
-  if (elfclass == ELFCLASS32) {
-    return ElfClassBuildIDNoteIdentifier<ElfClass32>(note_section, note_size,
-                                                     identifier);
-  } else if (elfclass == ELFCLASS64) {
-    return ElfClassBuildIDNoteIdentifier<ElfClass64>(note_section, note_size,
-                                                     identifier);
-  }
-
-  return false;
-}
-
-// Attempt to locate the .text section of an ELF binary and generate
-// a simple hash by XORing the first page worth of bytes into |identifier|.
-static bool HashElfTextSection(const void* elf_mapped_base,
-                               wasteful_vector<uint8_t>& identifier) {
-  identifier.resize(kMDGUIDSize);
-
-  void* text_section;
-  size_t text_size;
-  if (!FindElfSection(elf_mapped_base, ".text", SHT_PROGBITS,
-                      (const void**)&text_section, &text_size, NULL) ||
-      text_size == 0) {
-    return false;
-  }
-
-  // Only provide |kMDGUIDSize| bytes to keep identifiers produced by this
-  // function backwards-compatible.
-  my_memset(&identifier[0], 0, kMDGUIDSize);
-  const uint8_t* ptr = reinterpret_cast<const uint8_t*>(text_section);
-  const uint8_t* ptr_end = ptr + std::min(text_size, static_cast<size_t>(4096));
-  while (ptr < ptr_end) {
-    for (unsigned i = 0; i < kMDGUIDSize; i++)
-      identifier[i] ^= ptr[i];
-    ptr += kMDGUIDSize;
-  }
-  return true;
-}
-
-// static
-bool FileID::ElfFileIdentifierFromMappedFile(const void* base,
-                                             wasteful_vector<uint8_t>& identifier) {
-  // Look for a build id note first.
-  if (FindElfBuildIDNote(base, identifier))
-    return true;
-
-  // Fall back on hashing the first page of the text section.
-  return HashElfTextSection(base, identifier);
-}
-
-bool FileID::ElfFileIdentifier(wasteful_vector<uint8_t>& identifier) {
-  MemoryMappedFile mapped_file(path_.c_str(), 0);
-  if (!mapped_file.data())  // Should probably check if size >= ElfW(Ehdr)?
-    return false;
-
-  return ElfFileIdentifierFromMappedFile(mapped_file.data(), identifier);
-}
-
-// These three functions are not ever called in an unsafe context, so it's OK
-// to allocate memory and use libc.
-static string bytes_to_hex_string(const uint8_t* bytes, size_t count) {
-  string result;
-  for (unsigned int idx = 0; idx < count; ++idx) {
-    char buf[3];
-    snprintf(buf, sizeof(buf), "%02X", bytes[idx]);
-    result.append(buf);
-  }
-  return result;
-}
-
-// static
-string FileID::ConvertIdentifierToUUIDString(
-    const wasteful_vector<uint8_t>& identifier) {
-  uint8_t identifier_swapped[kMDGUIDSize] = { 0 };
-
-  // Endian-ness swap to match dump processor expectation.
-  memcpy(identifier_swapped, &identifier[0],
-         std::min(kMDGUIDSize, identifier.size()));
-  uint32_t* data1 = reinterpret_cast<uint32_t*>(identifier_swapped);
-  *data1 = htonl(*data1);
-  uint16_t* data2 = reinterpret_cast<uint16_t*>(identifier_swapped + 4);
-  *data2 = htons(*data2);
-  uint16_t* data3 = reinterpret_cast<uint16_t*>(identifier_swapped + 6);
-  *data3 = htons(*data3);
-
-  return bytes_to_hex_string(identifier_swapped, kMDGUIDSize);
-}
-
-// static
-string FileID::ConvertIdentifierToString(
-    const wasteful_vector<uint8_t>& identifier) {
-  return bytes_to_hex_string(&identifier[0], identifier.size());
-}
-
-}  // namespace google_breakpad