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// 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.
// Utility functions for spawning a helper process using a different
// CPU architecture.
#ifndef GOOGLE_BREAKPAD_CLIENT_MAC_TESTS_SPAWN_CHILD_PROCESS
#define GOOGLE_BREAKPAD_CLIENT_MAC_TESTS_SPAWN_CHILD_PROCESS
#include <AvailabilityMacros.h>
#ifndef MAC_OS_X_VERSION_10_6
#define MAC_OS_X_VERSION_10_6 1060
#endif
#include <crt_externs.h>
#include <mach-o/dyld.h>
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6
#include <spawn.h>
#endif
#include <string>
#include <vector>
#include "google_breakpad/common/minidump_format.h"
namespace google_breakpad_test {
using std::string;
using std::vector;
const MDCPUArchitecture kNativeArchitecture =
#if defined(__i386__)
MD_CPU_ARCHITECTURE_X86
#elif defined(__x86_64__)
MD_CPU_ARCHITECTURE_AMD64
#elif defined(__ppc__) || defined(__ppc64__)
MD_CPU_ARCHITECTURE_PPC
#else
#error "This file has not been ported to this CPU architecture."
#endif
;
const uint32_t kNativeContext =
#if defined(__i386__)
MD_CONTEXT_X86
#elif defined(__x86_64__)
MD_CONTEXT_AMD64
#elif defined(__ppc__) || defined(__ppc64__)
MD_CONTEXT_PPC
#else
#error "This file has not been ported to this CPU architecture."
#endif
;
string GetExecutablePath() {
char self_path[PATH_MAX];
uint32_t size = sizeof(self_path);
if (_NSGetExecutablePath(self_path, &size) != 0)
return "";
return self_path;
}
string GetHelperPath() {
string helper_path(GetExecutablePath());
size_t pos = helper_path.rfind('/');
if (pos == string::npos)
return "";
helper_path.erase(pos + 1);
helper_path += "minidump_generator_test_helper";
return helper_path;
}
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6
pid_t spawn_child_process(const char** argv) {
posix_spawnattr_t spawnattr;
if (posix_spawnattr_init(&spawnattr) != 0)
return (pid_t)-1;
cpu_type_t pref_cpu_types[2] = {
#if defined(__x86_64__)
CPU_TYPE_X86,
#elif defined(__i386__)
CPU_TYPE_X86_64,
#endif
CPU_TYPE_ANY
};
// Set spawn attributes.
size_t attr_count = sizeof(pref_cpu_types) / sizeof(pref_cpu_types[0]);
size_t attr_ocount = 0;
if (posix_spawnattr_setbinpref_np(&spawnattr,
attr_count,
pref_cpu_types,
&attr_ocount) != 0 ||
attr_ocount != attr_count) {
posix_spawnattr_destroy(&spawnattr);
return (pid_t)-1;
}
// Create an argv array.
vector<char*> argv_v;
while (*argv) {
argv_v.push_back(strdup(*argv));
argv++;
}
argv_v.push_back(NULL);
pid_t new_pid = 0;
int result = posix_spawnp(&new_pid, argv_v[0], NULL, &spawnattr,
&argv_v[0], *_NSGetEnviron());
posix_spawnattr_destroy(&spawnattr);
for (unsigned i = 0; i < argv_v.size(); i++) {
free(argv_v[i]);
}
return result == 0 ? new_pid : -1;
}
#endif
} // namespace google_breakpad_test
#endif // GOOGLE_BREAKPAD_CLIENT_MAC_TESTS_SPAWN_CHILD_PROCESS
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