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Code Issues Releases Wiki Activity

* Updated breakpad to latest version.

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This commit is contained in:
Christian Muehlhaeuser
2012-06-24 18:25:34 +02:00
parent 0a3a9a7e97
commit d3eb5c3f88
186 changed files with 9184 additions and 5835 deletions
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47
thirdparty/breakpad/common/linux/file_id.cc vendored
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@@ -36,22 +36,19 @@
#include <arpa/inet.h>
#include <assert.h>
#include <elf.h>
#include <fcntl.h>
#if defined(__ANDROID__)
#include <linux/elf.h>
#include "client/linux/android_link.h"
#else
#include <elf.h>
#include <link.h>
#endif
#include <stdio.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <unistd.h>
#include <algorithm>
#include "common/linux/linux_libc_support.h"
#include "common/linux/memory_mapped_file.h"
#include "third_party/lss/linux_syscall_support.h"
namespace google_breakpad {
@@ -107,10 +104,10 @@ static void FindElfClassSection(const char *elf_base,
const Shdr* section = NULL;
for (int i = 0; i < elf_header->e_shnum; ++i) {
if (sections[i].sh_type == section_type) {
const char* section_name = (char*)(elf_base +
string_section->sh_offset +
sections[i].sh_name);
if (!my_strncmp(section_name, section_name, name_len)) {
const char* current_section_name = (char*)(elf_base +
string_section->sh_offset +
sections[i].sh_name);
if (!my_strncmp(current_section_name, section_name, name_len)) {
section = &sections[i];
break;
}
@@ -166,8 +163,7 @@ static bool FindElfSection(const void *elf_mapped_base,
template<typename ElfClass>
static bool ElfClassBuildIDNoteIdentifier(const void *section,
uint8_t identifier[kMDGUIDSize])
{
uint8_t identifier[kMDGUIDSize]) {
typedef typename ElfClass::Nhdr Nhdr;
const Nhdr* note_header = reinterpret_cast<const Nhdr*>(section);
@@ -190,8 +186,7 @@ static bool ElfClassBuildIDNoteIdentifier(const void *section,
// Attempt to locate a .note.gnu.build-id section in an ELF binary
// and copy as many bytes of it as will fit into |identifier|.
static bool FindElfBuildIDNote(const void *elf_mapped_base,
uint8_t identifier[kMDGUIDSize])
{
uint8_t identifier[kMDGUIDSize]) {
void* note_section;
int note_size, elfclass;
if (!FindElfSection(elf_mapped_base, ".note.gnu.build-id", SHT_NOTE,
@@ -213,7 +208,6 @@ static bool FindElfBuildIDNote(const void *elf_mapped_base,
// a simple hash by XORing the first page worth of bytes into |identifier|.
static bool HashElfTextSection(const void *elf_mapped_base,
uint8_t identifier[kMDGUIDSize]) {
void* text_section;
int text_size;
if (!FindElfSection(elf_mapped_base, ".text", SHT_PROGBITS,
@@ -234,9 +228,8 @@ static bool HashElfTextSection(const void *elf_mapped_base,
}
// static
bool FileID::ElfFileIdentifierFromMappedFile(void* base,
uint8_t identifier[kMDGUIDSize])
{
bool FileID::ElfFileIdentifierFromMappedFile(const void* base,
uint8_t identifier[kMDGUIDSize]) {
// Look for a build id note first.
if (FindElfBuildIDNote(base, identifier))
return true;
@@ -246,23 +239,11 @@ bool FileID::ElfFileIdentifierFromMappedFile(void* base,
}
bool FileID::ElfFileIdentifier(uint8_t identifier[kMDGUIDSize]) {
int fd = open(path_, O_RDONLY);
if (fd < 0)
return false;
struct stat st;
if (fstat(fd, &st) != 0) {
close(fd);
return false;
}
void* base = mmap(NULL, st.st_size,
PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
close(fd);
if (base == MAP_FAILED)
MemoryMappedFile mapped_file(path_);
if (!mapped_file.data()) // Should probably check if size >= ElfW(Ehdr)?
return false;
bool success = ElfFileIdentifierFromMappedFile(base, identifier);
munmap(base, st.st_size);
return success;
return ElfFileIdentifierFromMappedFile(mapped_file.data(), identifier);
}
// static