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Unified Diff: third_party/crashpad/crashpad/tools/mac/run_with_crashpad.cc

Issue 1505213004: Copy Crashpad into the Chrome tree instead of importing it via DEPS (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address review comments, update README.chromium Created 5 years ago
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Index: third_party/crashpad/crashpad/tools/mac/run_with_crashpad.cc
diff --git a/third_party/crashpad/crashpad/tools/mac/run_with_crashpad.cc b/third_party/crashpad/crashpad/tools/mac/run_with_crashpad.cc
new file mode 100644
index 0000000000000000000000000000000000000000..58337aadec787f7d72a897786817ab97f1baf430
--- /dev/null
+++ b/third_party/crashpad/crashpad/tools/mac/run_with_crashpad.cc
@@ -0,0 +1,190 @@
+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <errno.h>
+#include <getopt.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "base/files/file_path.h"
+#include "base/logging.h"
+#include "client/crashpad_client.h"
+#include "tools/tool_support.h"
+#include "util/stdlib/map_insert.h"
+#include "util/string/split_string.h"
+
+namespace crashpad {
+namespace {
+
+void Usage(const std::string& me) {
+ fprintf(stderr,
+"Usage: %s [OPTION]... COMMAND [ARG]...\n"
+"Start a Crashpad handler and have it handle crashes from COMMAND.\n"
+"\n"
+" -h, --handler=HANDLER invoke HANDLER instead of crashpad_handler\n"
+" --annotation=KEY=VALUE passed to the handler as an --annotation argument\n"
+" --database=PATH passed to the handler as its --database argument\n"
+" --url=URL passed to the handler as its --url argument\n"
+" -a, --argument=ARGUMENT invoke the handler with ARGUMENT\n"
+" --help display this help and exit\n"
+" --version output version information and exit\n",
+ me.c_str());
+ ToolSupport::UsageTail(me);
+}
+
+int RunWithCrashpadMain(int argc, char* argv[]) {
+ const std::string me(basename(argv[0]));
+
+ enum ExitCode {
+ kExitSuccess = EXIT_SUCCESS,
+
+ // To differentiate this tool’s errors from errors in the programs it execs,
+ // use a high exit code for ordinary failures instead of EXIT_FAILURE. This
+ // is the same rationale for using the distinct exit codes for exec
+ // failures.
+ kExitFailure = 125,
+
+ // Like env, use exit code 126 if the program was found but could not be
+ // invoked, and 127 if it could not be found.
+ // http://pubs.opengroup.org/onlinepubs/9699919799/utilities/env.html
+ kExitExecFailure = 126,
+ kExitExecENOENT = 127,
+ };
+
+ enum OptionFlags {
+ // “Short” (single-character) options.
+ kOptionHandler = 'h',
+ kOptionArgument = 'a',
+
+ // Long options without short equivalents.
+ kOptionLastChar = 255,
+ kOptionAnnotation,
+ kOptionDatabase,
+ kOptionURL,
+
+ // Standard options.
+ kOptionHelp = -2,
+ kOptionVersion = -3,
+ };
+
+ const option long_options[] = {
+ {"handler", required_argument, nullptr, kOptionHandler},
+ {"annotation", required_argument, nullptr, kOptionAnnotation},
+ {"database", required_argument, nullptr, kOptionDatabase},
+ {"url", required_argument, nullptr, kOptionURL},
+ {"argument", required_argument, nullptr, kOptionArgument},
+ {"help", no_argument, nullptr, kOptionHelp},
+ {"version", no_argument, nullptr, kOptionVersion},
+ {nullptr, 0, nullptr, 0},
+ };
+
+ struct {
+ std::string handler;
+ std::map<std::string, std::string> annotations;
+ std::string database;
+ std::string url;
+ std::vector<std::string> arguments;
+ } options = {};
+ options.handler = "crashpad_handler";
+
+ int opt;
+ while ((opt = getopt_long(argc, argv, "+a:h:", long_options, nullptr)) !=
+ -1) {
+ switch (opt) {
+ case kOptionHandler: {
+ options.handler = optarg;
+ break;
+ }
+ case kOptionAnnotation: {
+ std::string key;
+ std::string value;
+ if (!SplitString(optarg, '=', &key, &value)) {
+ ToolSupport::UsageHint(me, "--annotation requires KEY=VALUE");
+ return EXIT_FAILURE;
+ }
+ std::string old_value;
+ if (!MapInsertOrReplace(&options.annotations, key, value, &old_value)) {
+ LOG(WARNING) << "duplicate key " << key << ", discarding value "
+ << old_value;
+ }
+ break;
+ }
+ case kOptionDatabase: {
+ options.database = optarg;
+ break;
+ }
+ case kOptionURL: {
+ options.url = optarg;
+ break;
+ }
+ case kOptionArgument: {
+ options.arguments.push_back(optarg);
+ break;
+ }
+ case kOptionHelp: {
+ Usage(me);
+ return kExitSuccess;
+ }
+ case kOptionVersion: {
+ ToolSupport::Version(me);
+ return kExitSuccess;
+ }
+ default: {
+ ToolSupport::UsageHint(me, nullptr);
+ return kExitFailure;
+ }
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (!argc) {
+ ToolSupport::UsageHint(me, "COMMAND is required");
+ return kExitFailure;
+ }
+
+ // Start the handler process and direct exceptions to it.
+ CrashpadClient crashpad_client;
+ if (!crashpad_client.StartHandler(base::FilePath(options.handler),
+ base::FilePath(options.database),
+ options.url,
+ options.annotations,
+ options.arguments,
+ false)) {
+ return kExitFailure;
+ }
+
+ if (!crashpad_client.UseHandler()) {
+ return kExitFailure;
+ }
+
+ // Using the remaining arguments, start a new program with the new exception
+ // port in effect.
+ execvp(argv[0], argv);
+ PLOG(ERROR) << "execvp " << argv[0];
+ return errno == ENOENT ? kExitExecENOENT : kExitExecFailure;
+}
+
+} // namespace
+} // namespace crashpad
+
+int main(int argc, char* argv[]) {
+ return crashpad::RunWithCrashpadMain(argc, argv);
+}

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