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// -*- mode: c++ -*-
// Copyright (c) 2011, 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.
// dump_syms_tool.mm: Command line tool that uses the DumpSymbols class.
// TODO(waylonis): accept stdin
#include <mach-o/arch.h>
#include <unistd.h>
#include <iostream>
#include <vector>
#include "common/mac/dump_syms.h"
#include "common/mac/arch_utilities.h"
#include "common/mac/macho_utilities.h"
using google_breakpad::DumpSymbols;
using std::vector;
struct Options {
Options() : srcPath(), arch(), cfi(true) { }
NSString *srcPath;
const NXArchInfo *arch;
bool cfi;
};
//=============================================================================
static bool Start(const Options &options) {
DumpSymbols dump_symbols;
if (!dump_symbols.Read(options.srcPath))
return false;
if (options.arch) {
if (!dump_symbols.SetArchitecture(options.arch->cputype,
options.arch->cpusubtype)) {
fprintf(stderr, "%s: no architecture '%s' is present in file.\n",
[options.srcPath fileSystemRepresentation], options.arch->name);
size_t available_size;
const struct fat_arch *available =
dump_symbols.AvailableArchitectures(&available_size);
if (available_size == 1)
fprintf(stderr, "the file's architecture is: ");
else
fprintf(stderr, "architectures present in the file are:\n");
for (size_t i = 0; i < available_size; i++) {
const struct fat_arch *arch = &available[i];
const NXArchInfo *arch_info =
google_breakpad::BreakpadGetArchInfoFromCpuType(
arch->cputype, arch->cpusubtype);
if (arch_info)
fprintf(stderr, "%s (%s)\n", arch_info->name, arch_info->description);
else
fprintf(stderr, "unrecognized cpu type 0x%x, subtype 0x%x\n",
arch->cputype, arch->cpusubtype);
}
return false;
}
}
return dump_symbols.WriteSymbolFile(std::cout, options.cfi);
}
//=============================================================================
static void Usage(int argc, const char *argv[]) {
fprintf(stderr, "Output a Breakpad symbol file from a Mach-o file.\n");
fprintf(stderr, "Usage: %s [-a ARCHITECTURE] [-c] <Mach-o file>\n",
argv[0]);
fprintf(stderr, "\t-a: Architecture type [default: native, or whatever is\n");
fprintf(stderr, "\t in the file, if it contains only one architecture]\n");
fprintf(stderr, "\t-c: Do not generate CFI section\n");
fprintf(stderr, "\t-h: Usage\n");
fprintf(stderr, "\t-?: Usage\n");
}
//=============================================================================
static void SetupOptions(int argc, const char *argv[], Options *options) {
extern int optind;
signed char ch;
while ((ch = getopt(argc, (char * const *)argv, "a:ch?")) != -1) {
switch (ch) {
case 'a': {
const NXArchInfo *arch_info =
google_breakpad::BreakpadGetArchInfoFromName(optarg);
if (!arch_info) {
fprintf(stderr, "%s: Invalid architecture: %s\n", argv[0], optarg);
Usage(argc, argv);
exit(1);
}
options->arch = arch_info;
break;
}
case 'c':
options->cfi = false;
break;
case '?':
case 'h':
Usage(argc, argv);
exit(0);
break;
}
}
if ((argc - optind) != 1) {
fprintf(stderr, "Must specify Mach-o file\n");
Usage(argc, argv);
exit(1);
}
options->srcPath = [[NSFileManager defaultManager]
stringWithFileSystemRepresentation:argv[optind]
length:strlen(argv[optind])];
}
//=============================================================================
int main (int argc, const char * argv[]) {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
Options options;
bool result;
SetupOptions(argc, argv, &options);
result = Start(options);
[pool release];
return !result;
}
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