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Support object files larger than 2**32.

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Reviewed at https://breakpad.appspot.com/7834002/#ps340001


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1453 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
erikchen@chromium.org 2015-04-22 20:14:24 +00:00
parent 0f27af628f
commit aa75fa5d4e
7 changed files with 189 additions and 40 deletions
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23
src/common/mac/dump_syms.h
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@ -46,6 +46,7 @@
#include "common/byte_cursor.h"
#include "common/mac/macho_reader.h"
#include "common/mac/super_fat_arch.h"
#include "common/module.h"
#include "common/symbol_data.h"
@ -59,6 +60,7 @@ class DumpSymbols {
input_pathname_(),
object_filename_(),
contents_(),
object_files_(),
selected_object_file_(),
selected_object_name_() { }
~DumpSymbols() {
@ -98,14 +100,14 @@ class DumpSymbols {
// architecture matches that of this dumper program.
bool SetArchitecture(const std::string &arch_name);
// Return a pointer to an array of 'struct fat_arch' structures,
// describing the object files contained in this dumper's file. Set
// *|count| to the number of elements in the array. The returned array is
// owned by this DumpSymbols instance.
// Return a pointer to an array of SuperFatArch structures describing the
// object files contained in this dumper's file. Set *|count| to the number
// of elements in the array. The returned array is owned by this DumpSymbols
// instance.
//
// If there are no available architectures, this function
// may return NULL.
const struct fat_arch *AvailableArchitectures(size_t *count) {
const SuperFatArch* AvailableArchitectures(size_t *count) {
*count = object_files_.size();
if (object_files_.size() > 0)
return &object_files_[0];
@ -127,6 +129,11 @@ class DumpSymbols {
class DumperLineToModule;
class LoadCommandDumper;
// This method behaves similarly to NXFindBestFatArch, but it supports
// SuperFatArch.
SuperFatArch* FindBestMatchForArchitecture(
cpu_type_t cpu_type, cpu_subtype_t cpu_subtype);
// Return an identifier string for the file this DumpSymbols is dumping.
std::string Identifier();
@ -167,15 +174,15 @@ class DumpSymbols {
// The complete contents of object_filename_, mapped into memory.
NSData *contents_;
// A vector of fat_arch structures describing the object files
// A vector of SuperFatArch structures describing the object files
// object_filename_ contains. If object_filename_ refers to a fat binary,
// this may have more than one element; if it refers to a Mach-O file, this
// has exactly one element.
vector<struct fat_arch> object_files_;
vector<SuperFatArch> object_files_;
// The object file in object_files_ selected to dump, or NULL if
// SetArchitecture hasn't been called yet.
const struct fat_arch *selected_object_file_;
const SuperFatArch *selected_object_file_;
// A string that identifies the selected object file, for use in error
// messages. This is usually object_filename_, but if that refers to a