150 lines
4.4 KiB
C++
150 lines
4.4 KiB
C++
// Copyright (c) 2010, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Utility functions for spawning a helper process using a different
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// CPU architecture.
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#ifndef GOOGLE_BREAKPAD_CLIENT_MAC_TESTS_SPAWN_CHILD_PROCESS
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#define GOOGLE_BREAKPAD_CLIENT_MAC_TESTS_SPAWN_CHILD_PROCESS
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#include <AvailabilityMacros.h>
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#ifndef MAC_OS_X_VERSION_10_6
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#define MAC_OS_X_VERSION_10_6 1060
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#endif
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#include <crt_externs.h>
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#include <mach-o/dyld.h>
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#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6
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#include <spawn.h>
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#endif
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#include <string>
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#include <vector>
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#include "google_breakpad/common/minidump_format.h"
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namespace google_breakpad_test {
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using std::string;
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using std::vector;
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const MDCPUArchitecture kNativeArchitecture =
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#if defined(__i386__)
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MD_CPU_ARCHITECTURE_X86
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#elif defined(__x86_64__)
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MD_CPU_ARCHITECTURE_AMD64
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#elif defined(__ppc__) || defined(__ppc64__)
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MD_CPU_ARCHITECTURE_PPC
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#else
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#error "This file has not been ported to this CPU architecture."
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#endif
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;
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const u_int32_t kNativeContext =
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#if defined(__i386__)
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MD_CONTEXT_X86
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#elif defined(__x86_64__)
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MD_CONTEXT_AMD64
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#elif defined(__ppc__) || defined(__ppc64__)
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MD_CONTEXT_PPC
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#else
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#error "This file has not been ported to this CPU architecture."
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#endif
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;
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string GetExecutablePath() {
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char self_path[PATH_MAX];
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uint32_t size = sizeof(self_path);
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if (_NSGetExecutablePath(self_path, &size) != 0)
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return "";
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return self_path;
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}
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string GetHelperPath() {
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string helper_path(GetExecutablePath());
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size_t pos = helper_path.rfind('/');
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if (pos == string::npos)
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return "";
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helper_path.erase(pos + 1);
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helper_path += "minidump_generator_test_helper";
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return helper_path;
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}
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#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6
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pid_t spawn_child_process(const char** argv) {
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posix_spawnattr_t spawnattr;
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if (posix_spawnattr_init(&spawnattr) != 0)
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return (pid_t)-1;
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cpu_type_t pref_cpu_types[2] = {
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#if defined(__x86_64__)
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CPU_TYPE_X86,
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#elif defined(__i386__)
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CPU_TYPE_X86_64,
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#endif
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CPU_TYPE_ANY
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};
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// Set spawn attributes.
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size_t attr_count = sizeof(pref_cpu_types) / sizeof(pref_cpu_types[0]);
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size_t attr_ocount = 0;
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if (posix_spawnattr_setbinpref_np(&spawnattr,
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attr_count,
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pref_cpu_types,
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&attr_ocount) != 0 ||
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attr_ocount != attr_count) {
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posix_spawnattr_destroy(&spawnattr);
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return (pid_t)-1;
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}
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// Create an argv array.
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vector<char*> argv_v;
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while (*argv) {
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argv_v.push_back(strdup(*argv));
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argv++;
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}
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argv_v.push_back(NULL);
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pid_t new_pid = 0;
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int result = posix_spawnp(&new_pid, argv_v[0], NULL, &spawnattr,
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&argv_v[0], *_NSGetEnviron());
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posix_spawnattr_destroy(&spawnattr);
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for (unsigned i = 0; i < argv_v.size(); i++) {
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free(argv_v[i]);
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}
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return result == 0 ? new_pid : -1;
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}
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#endif
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} // namespace google_breakpad_test
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#endif // GOOGLE_BREAKPAD_CLIENT_MAC_TESTS_SPAWN_CHILD_PROCESS
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