Suyu/breakpad
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/breakpad.git synced 2025-12-30 19:24:45 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Breakpad Mac symbol dumper: Add new Mach-O reader class.

Browse source 
This patch adds files defining new classes in the google_breakpad::Mach_O
namespace for parsing fat binaries and Mach-O files. These are used in the
new dumper to handle STABS debugging information, DWARF call frame
information, and .eh_frame exception handling stack walking information.

These new classes are independent of endianness and word size, and
therefore can be used on binaries of all the relevant architectures: x86,
x86_64, ppc, and ARM.

The patch adds a complete set of unit tests for the new classes.
A=jimb R=mark (http://breakpad.appspot.com/93001/show, http://breakpad.appspot.com/115001/show)

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@610 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek 2010-06-25 16:56:16 +00:00
parent 8ffb12eb35
commit 35c41e00ee
11 changed files with 3306 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

209
src/tools/mac/dump_syms/dump_syms.xcodeproj/project.pbxproj
View file

@ -7,7 +7,15 @@
objects = {
/* Begin PBXBuildFile section */
B88FAE0B11665B5700407530 /* test_assembler.cc in Sources */ = {isa = PBXBuildFile; fileRef = B88FAE0911665B5700407530 /* test_assembler.cc */; };
B89E0E601166556C00DD08C9 /* libcrypto.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = B89E0E5F1166556C00DD08C9 /* libcrypto.dylib */; };
B89E0E781166576C00DD08C9 /* macho_reader.cc in Sources */ = {isa = PBXBuildFile; fileRef = B89E0E6E1166571D00DD08C9 /* macho_reader.cc */; };
B89E0E7A1166576C00DD08C9 /* macho_dump.cc in Sources */ = {isa = PBXBuildFile; fileRef = B89E0E701166573700DD08C9 /* macho_dump.cc */; };
B89E0E9911665A7200DD08C9 /* macho_reader_unittest.cc in Sources */ = {isa = PBXBuildFile; fileRef = B89E0E6D1166571D00DD08C9 /* macho_reader_unittest.cc */; };
B89E0E9A11665A7200DD08C9 /* macho_reader.cc in Sources */ = {isa = PBXBuildFile; fileRef = B89E0E6E1166571D00DD08C9 /* macho_reader.cc */; };
B89E0EA111665AC300DD08C9 /* gtest_main.cc in Sources */ = {isa = PBXBuildFile; fileRef = B89E0E9F11665AC300DD08C9 /* gtest_main.cc */; };
B89E0EA211665AC300DD08C9 /* gtest-all.cc in Sources */ = {isa = PBXBuildFile; fileRef = B89E0EA011665AC300DD08C9 /* gtest-all.cc */; };
B89E0EA411665AEA00DD08C9 /* gmock-all.cc in Sources */ = {isa = PBXBuildFile; fileRef = B89E0EA311665AEA00DD08C9 /* gmock-all.cc */; };
B8C5B5161166534700D34F4E /* functioninfo.cc in Sources */ = {isa = PBXBuildFile; fileRef = F9C7ED420E8AD93000E953AD /* functioninfo.cc */; };
B8C5B5171166534700D34F4E /* dwarf2reader.cc in Sources */ = {isa = PBXBuildFile; fileRef = F95B422F0E0E22D100DBDE83 /* dwarf2reader.cc */; };
B8C5B5181166534700D34F4E /* bytereader.cc in Sources */ = {isa = PBXBuildFile; fileRef = F95B422C0E0E22D100DBDE83 /* bytereader.cc */; };
@ -33,7 +41,18 @@
9BE650440B52F6D800611104 /* macho_id.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = macho_id.h; path = ../../../common/mac/macho_id.h; sourceTree = SOURCE_ROOT; };
9BE650450B52F6D800611104 /* macho_walker.cc */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = macho_walker.cc; path = ../../../common/mac/macho_walker.cc; sourceTree = SOURCE_ROOT; };
9BE650460B52F6D800611104 /* macho_walker.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = macho_walker.h; path = ../../../common/mac/macho_walker.h; sourceTree = SOURCE_ROOT; };
B88FAE0911665B5700407530 /* test_assembler.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = test_assembler.cc; path = ../../../common/test_assembler.cc; sourceTree = SOURCE_ROOT; };
B88FAE0A11665B5700407530 /* test_assembler.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = test_assembler.h; path = ../../../common/test_assembler.h; sourceTree = SOURCE_ROOT; };
B89E0E5F1166556C00DD08C9 /* libcrypto.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libcrypto.dylib; path = /usr/lib/libcrypto.dylib; sourceTree = "<absolute>"; };
B89E0E6D1166571D00DD08C9 /* macho_reader_unittest.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = macho_reader_unittest.cc; path = ../../../common/mac/macho_reader_unittest.cc; sourceTree = SOURCE_ROOT; };
B89E0E6E1166571D00DD08C9 /* macho_reader.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = macho_reader.cc; path = ../../../common/mac/macho_reader.cc; sourceTree = SOURCE_ROOT; };
B89E0E6F1166571D00DD08C9 /* macho_reader.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = macho_reader.h; path = ../../../common/mac/macho_reader.h; sourceTree = SOURCE_ROOT; };
B89E0E701166573700DD08C9 /* macho_dump.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = macho_dump.cc; sourceTree = "<group>"; };
B89E0E741166575200DD08C9 /* macho_dump */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = macho_dump; sourceTree = BUILT_PRODUCTS_DIR; };
B89E0E9511665A6400DD08C9 /* macho_reader_unittest */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = macho_reader_unittest; sourceTree = BUILT_PRODUCTS_DIR; };
B89E0E9F11665AC300DD08C9 /* gtest_main.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = gtest_main.cc; path = ../../../testing/gtest/src/gtest_main.cc; sourceTree = SOURCE_ROOT; };
B89E0EA011665AC300DD08C9 /* gtest-all.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = "gtest-all.cc"; path = "../../../testing/gtest/src/gtest-all.cc"; sourceTree = SOURCE_ROOT; };
B89E0EA311665AEA00DD08C9 /* gmock-all.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = "gmock-all.cc"; path = "../../../testing/src/gmock-all.cc"; sourceTree = SOURCE_ROOT; };
B8C5B5111166531A00D34F4E /* dump_syms */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = dump_syms; sourceTree = BUILT_PRODUCTS_DIR; };
B8E8CA0C1156C854009E61B2 /* byteswap.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = byteswap.h; path = ../../../common/mac/byteswap.h; sourceTree = SOURCE_ROOT; };
F95B422B0E0E22D100DBDE83 /* bytereader-inl.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = "bytereader-inl.h"; path = "../../../common/dwarf/bytereader-inl.h"; sourceTree = SOURCE_ROOT; };
@ -48,6 +67,20 @@
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
B89E0E721166575200DD08C9 /* Frameworks */ = {
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
);
runOnlyForDeploymentPostprocessing = 0;
};
B89E0E9311665A6400DD08C9 /* Frameworks */ = {
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
);
runOnlyForDeploymentPostprocessing = 0;
};
B8C5B50F1166531A00D34F4E /* Frameworks */ = {
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
@ -63,19 +96,16 @@
08FB7794FE84155DC02AAC07 /* dump_syms */ = {
isa = PBXGroup;
children = (
B89E0E9D11665A9500DD08C9 /* TESTING */,
F9F5344B0E7C8FFC0012363F /* DWARF */,
B89E0E6C1166569700DD08C9 /* MACHO */,
B8E8CA0C1156C854009E61B2 /* byteswap.h */,
557800890BE1F3AB00EC23E0 /* macho_utilities.cc */,
5578008A0BE1F3AB00EC23E0 /* macho_utilities.h */,
9BE650410B52F6D800611104 /* file_id.cc */,
9BE650420B52F6D800611104 /* file_id.h */,
9BE650430B52F6D800611104 /* macho_id.cc */,
9BE650440B52F6D800611104 /* macho_id.h */,
9BE650450B52F6D800611104 /* macho_walker.cc */,
9BE650460B52F6D800611104 /* macho_walker.h */,
9BDF186D0B1BB43700F8391B /* dump_syms.h */,
08FB7796FE84155DC02AAC07 /* dump_syms.mm */,
9BDF186E0B1BB43700F8391B /* dump_syms_tool.mm */,
B89E0E701166573700DD08C9 /* macho_dump.cc */,
08FB779DFE84155DC02AAC07 /* External Frameworks and Libraries */,
1AB674ADFE9D54B511CA2CBB /* Products */,
);
@ -95,10 +125,40 @@
isa = PBXGroup;
children = (
B8C5B5111166531A00D34F4E /* dump_syms */,
B89E0E741166575200DD08C9 /* macho_dump */,
B89E0E9511665A6400DD08C9 /* macho_reader_unittest */,
);
name = Products;
sourceTree = "<group>";
};
B89E0E6C1166569700DD08C9 /* MACHO */ = {
isa = PBXGroup;
children = (
B89E0E6D1166571D00DD08C9 /* macho_reader_unittest.cc */,
B89E0E6E1166571D00DD08C9 /* macho_reader.cc */,
B89E0E6F1166571D00DD08C9 /* macho_reader.h */,
557800890BE1F3AB00EC23E0 /* macho_utilities.cc */,
5578008A0BE1F3AB00EC23E0 /* macho_utilities.h */,
9BE650430B52F6D800611104 /* macho_id.cc */,
9BE650440B52F6D800611104 /* macho_id.h */,
9BE650450B52F6D800611104 /* macho_walker.cc */,
9BE650460B52F6D800611104 /* macho_walker.h */,
);
name = MACHO;
sourceTree = "<group>";
};
B89E0E9D11665A9500DD08C9 /* TESTING */ = {
isa = PBXGroup;
children = (
B88FAE0911665B5700407530 /* test_assembler.cc */,
B88FAE0A11665B5700407530 /* test_assembler.h */,
B89E0EA311665AEA00DD08C9 /* gmock-all.cc */,
B89E0E9F11665AC300DD08C9 /* gtest_main.cc */,
B89E0EA011665AC300DD08C9 /* gtest-all.cc */,
);
name = TESTING;
sourceTree = "<group>";
};
F9F5344B0E7C8FFC0012363F /* DWARF */ = {
isa = PBXGroup;
children = (
@ -118,6 +178,38 @@
/* End PBXGroup section */
/* Begin PBXNativeTarget section */
B89E0E731166575200DD08C9 /* macho_dump */ = {
isa = PBXNativeTarget;
buildConfigurationList = B89E0E7F116657A100DD08C9 /* Build configuration list for PBXNativeTarget "macho_dump" */;
buildPhases = (
B89E0E711166575200DD08C9 /* Sources */,
B89E0E721166575200DD08C9 /* Frameworks */,
);
buildRules = (
);
dependencies = (
);
name = macho_dump;
productName = macho_dump;
productReference = B89E0E741166575200DD08C9 /* macho_dump */;
productType = "com.apple.product-type.tool";
};
B89E0E9411665A6400DD08C9 /* macho_reader_unittest */ = {
isa = PBXNativeTarget;
buildConfigurationList = B89E0E9E11665A9600DD08C9 /* Build configuration list for PBXNativeTarget "macho_reader_unittest" */;
buildPhases = (
B89E0E9211665A6400DD08C9 /* Sources */,
B89E0E9311665A6400DD08C9 /* Frameworks */,
);
buildRules = (
);
dependencies = (
);
name = macho_reader_unittest;
productName = macho_reader_unittest;
productReference = B89E0E9511665A6400DD08C9 /* macho_reader_unittest */;
productType = "com.apple.product-type.tool";
};
B8C5B5101166531A00D34F4E /* dump_syms */ = {
isa = PBXNativeTarget;
buildConfigurationList = B8C5B5151166533900D34F4E /* Build configuration list for PBXNativeTarget "dump_syms" */;
@ -139,6 +231,9 @@
/* Begin PBXProject section */
08FB7793FE84155DC02AAC07 /* Project object */ = {
isa = PBXProject;
attributes = {
BuildIndependentTargetsInParallel = NO;
};
buildConfigurationList = 1DEB927808733DD40010E9CD /* Build configuration list for PBXProject "dump_syms" */;
compatibilityVersion = "Xcode 2.4";
hasScannedForEncodings = 1;
@ -147,11 +242,35 @@
projectRoot = "";
targets = (
B8C5B5101166531A00D34F4E /* dump_syms */,
B89E0E731166575200DD08C9 /* macho_dump */,
B89E0E9411665A6400DD08C9 /* macho_reader_unittest */,
);
};
/* End PBXProject section */
/* Begin PBXSourcesBuildPhase section */
B89E0E711166575200DD08C9 /* Sources */ = {
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
B89E0E781166576C00DD08C9 /* macho_reader.cc in Sources */,
B89E0E7A1166576C00DD08C9 /* macho_dump.cc in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
B89E0E9211665A6400DD08C9 /* Sources */ = {
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
B89E0E9911665A7200DD08C9 /* macho_reader_unittest.cc in Sources */,
B89E0E9A11665A7200DD08C9 /* macho_reader.cc in Sources */,
B89E0EA111665AC300DD08C9 /* gtest_main.cc in Sources */,
B89E0EA211665AC300DD08C9 /* gtest-all.cc in Sources */,
B89E0EA411665AEA00DD08C9 /* gmock-all.cc in Sources */,
B88FAE0B11665B5700407530 /* test_assembler.cc in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
B8C5B50E1166531A00D34F4E /* Sources */ = {
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
@ -192,6 +311,66 @@
};
name = Release;
};
B89E0E761166575300DD08C9 /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
ALWAYS_SEARCH_USER_PATHS = NO;
COPY_PHASE_STRIP = NO;
GCC_DYNAMIC_NO_PIC = NO;
GCC_ENABLE_FIX_AND_CONTINUE = YES;
GCC_MODEL_TUNING = G5;
GCC_OPTIMIZATION_LEVEL = 0;
INSTALL_PATH = /usr/local/bin;
PREBINDING = NO;
PRODUCT_NAME = macho_dump;
};
name = Debug;
};
B89E0E771166575300DD08C9 /* Release */ = {
isa = XCBuildConfiguration;
buildSettings = {
ALWAYS_SEARCH_USER_PATHS = NO;
COPY_PHASE_STRIP = YES;
DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
GCC_ENABLE_FIX_AND_CONTINUE = NO;
GCC_MODEL_TUNING = G5;
INSTALL_PATH = /usr/local/bin;
PREBINDING = NO;
PRODUCT_NAME = macho_dump;
ZERO_LINK = NO;
};
name = Release;
};
B89E0E9711665A6400DD08C9 /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
ALWAYS_SEARCH_USER_PATHS = NO;
COPY_PHASE_STRIP = NO;
GCC_DYNAMIC_NO_PIC = NO;
GCC_ENABLE_FIX_AND_CONTINUE = YES;
GCC_MODEL_TUNING = G5;
GCC_OPTIMIZATION_LEVEL = 0;
INSTALL_PATH = /usr/local/bin;
PREBINDING = NO;
PRODUCT_NAME = macho_reader_unittest;
};
name = Debug;
};
B89E0E9811665A6400DD08C9 /* Release */ = {
isa = XCBuildConfiguration;
buildSettings = {
ALWAYS_SEARCH_USER_PATHS = NO;
COPY_PHASE_STRIP = YES;
DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
GCC_ENABLE_FIX_AND_CONTINUE = NO;
GCC_MODEL_TUNING = G5;
INSTALL_PATH = /usr/local/bin;
PREBINDING = NO;
PRODUCT_NAME = macho_reader_unittest;
ZERO_LINK = NO;
};
name = Release;
};
B8C5B5131166531B00D34F4E /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
@ -235,6 +414,24 @@
defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
};
B89E0E7F116657A100DD08C9 /* Build configuration list for PBXNativeTarget "macho_dump" */ = {
isa = XCConfigurationList;
buildConfigurations = (
B89E0E761166575300DD08C9 /* Debug */,
B89E0E771166575300DD08C9 /* Release */,
);
defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
};
B89E0E9E11665A9600DD08C9 /* Build configuration list for PBXNativeTarget "macho_reader_unittest" */ = {
isa = XCConfigurationList;
buildConfigurations = (
B89E0E9711665A6400DD08C9 /* Debug */,
B89E0E9811665A6400DD08C9 /* Release */,
);
defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
};
B8C5B5151166533900D34F4E /* Build configuration list for PBXNativeTarget "dump_syms" */ = {
isa = XCConfigurationList;
buildConfigurations = (

196
src/tools/mac/dump_syms/macho_dump.cc Normal file
View file

@ -0,0 +1,196 @@
// Copyright (c) 2010, 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.
// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
// macho_dump.cc: Dump the contents of a Mach-O file. This is mostly
// a test program for the Mach_O::FatReader and Mach_O::Reader classes.
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <mach-o/arch.h>
#include <sys/mman.h>
#include <stdint.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sstream>
#include <string>
#include <vector>
#include "common/byte_cursor.h"
#include "common/mac/macho_reader.h"
using google_breakpad::ByteBuffer;
using std::ostringstream;
using std::string;
using std::vector;
namespace {
namespace mach_o = google_breakpad::mach_o;
string program_name;
int check_syscall(int result, const char *operation, const char *filename) {
if (result < 0) {
fprintf(stderr, "%s: %s '%s': %s\n",
program_name.c_str(), operation,
filename, strerror(errno));
exit(1);
}
return result;
}
class DumpSection: public mach_o::Reader::SectionHandler {
public:
DumpSection() : index_(0) { }
bool HandleSection(const mach_o::Section &section) {
printf(" section %d '%s' in segment '%s'\n"
" address: 0x%llx\n"
" alignment: 1 << %d B\n"
" flags: %d\n"
" size: %ld\n",
index_++, section.section_name.c_str(), section.segment_name.c_str(),
section.address, section.align,
mach_o::SectionFlags(section.flags),
section.contents.Size());
return true;
}
private:
int index_;
};
class DumpCommand: public mach_o::Reader::LoadCommandHandler {
public:
DumpCommand(mach_o::Reader *reader) : reader_(reader), index_(0) { }
bool UnknownCommand(mach_o::LoadCommandType type,
const ByteBuffer &contents) {
printf(" load command %d: %d", index_++, type);
return true;
}
bool SegmentCommand(const mach_o::Segment &segment) {
printf(" load command %d: %s-bit segment '%s'\n"
" address: 0x%llx\n"
" memory size: 0x%llx\n"
" maximum protection: 0x%x\n"
" initial protection: 0x%x\n"
" flags: %d\n"
" section_list size: %ld B\n",
index_++, (segment.bits_64 ? "64" : "32"), segment.name.c_str(),
segment.vmaddr, segment.vmsize, segment.maxprot,
segment.initprot, mach_o::SegmentFlags(segment.flags),
segment.section_list.Size());
DumpSection dump_section;
return reader_->WalkSegmentSections(segment, &dump_section);
}
private:
mach_o::Reader *reader_;
int index_;
};
void DumpFile(const char *filename) {
int fd = check_syscall(open(filename, O_RDONLY), "opening", filename);
struct stat attributes;
check_syscall(fstat(fd, &attributes),
"getting file attributes for", filename);
void *mapping = mmap(NULL, attributes.st_size, PROT_READ,
MAP_PRIVATE, fd, 0);
close(fd);
check_syscall(mapping == (void *)-1 ? -1 : 0,
"mapping contents of", filename);
mach_o::FatReader::Reporter fat_reporter(filename);
mach_o::FatReader fat_reader(&fat_reporter);
if (!fat_reader.Read(reinterpret_cast<uint8_t *>(mapping),
attributes.st_size)) {
exit(1);
}
printf("filename: %s\n", filename);
size_t object_files_size;
struct fat_arch *object_files = fat_reader.object_files(&object_files_size);
printf(" object file count: %ld\n", object_files_size);
for (size_t i = 0; i < object_files_size; i++) {
const struct fat_arch &file = object_files[i];
const NXArchInfo *fat_arch_info
= NXGetArchInfoFromCpuType(file.cputype, file.cpusubtype);
printf("\n object file %ld:\n"
" fat header:\n:"
" CPU type: %s (%s)\n"
" size: %d B\n"
" alignment: 1<<%d B\n",
i, fat_arch_info->name, fat_arch_info->description,
file.size, file.align);
ostringstream name;
name << filename;
if (object_files_size > 1)
name << ", object file #" << i;
ByteBuffer file_contents(reinterpret_cast<uint8_t *>(mapping)
+ file.offset, file.size);
mach_o::Reader::Reporter reporter(name.str());
mach_o::Reader reader(&reporter);
if (!reader.Read(file_contents, file.cputype, file.cpusubtype)) {
exit(1);
}
const NXArchInfo *macho_arch_info =
NXGetArchInfoFromCpuType(reader.cpu_type(),
reader.cpu_subtype());
printf(" Mach-O header:\n"
" word size: %s\n"
" CPU type: %s (%s)\n"
" File type: %d\n"
" flags: %x\n",
(reader.bits_64() ? "64 bits" : "32 bits"),
macho_arch_info->name, macho_arch_info->description,
reader.file_type(), reader.flags());
DumpCommand dump_command(&reader);
reader.WalkLoadCommands(&dump_command);
}
munmap(mapping, attributes.st_size);
}
} // namespace
int main(int argc, char **argv) {
program_name = basename(argv[0]);
if (argc == 1) {
fprintf(stderr, "Usage: %s FILE ...\n"
"Dump the contents of the Mach-O or fat binary files "
"'FILE ...'.\n", program_name.c_str());
}
for (int i = 1; i < argc; i++) {
DumpFile(argv[i]);
}
}