Import the contents of //third_party/breakpad/linux from Chromium.

third_party/breakpad/linux/generate-test-dump.cc

Index: third_party/breakpad/linux/generate-test-dump.cc
diff --git a/third_party/tcmalloc/chromium/src/stacktrace_with_context.cc b/third_party/breakpad/linux/generate-test-dump.cc
similarity index 58%
copy from third_party/tcmalloc/chromium/src/stacktrace_with_context.cc
copy to third_party/breakpad/linux/generate-test-dump.cc
index 036d984f0128d81b9c52a80ac02ec8347edf8484..4e68508a0f096ff0ae3df17618ccbc466980c875 100644
--- a/third_party/tcmalloc/chromium/src/stacktrace_with_context.cc
+++ b/third_party/breakpad/linux/generate-test-dump.cc
@@ -1,10 +1,10 @@
 // Copyright (c) 2009, 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
@@ -14,7 +14,7 @@
 //     * 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
@@ -27,35 +27,41 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// ---
-// Author: Paul Pluzhnikov
-//
-// This code logically belongs in stacktrace.cc, but
-// it is moved into (this) separate file in order to
-// prevent inlining of routines defined here.
-//
-// Inlining causes skip_count to be incorrect, and there
-// is no portable way to prevent it.
-//
-// Eventually LTO (link-time optimization) and/or LLVM
-// may inline this code anyway. Let's hope they respect
-// ATTRIBUTE_NOINLINE.
-
-#include <config.h>
-#include <gperftools/stacktrace.h>
-#include "stacktrace_config.h"
-#include "base/basictypes.h"
-
-#if !defined(STACKTRACE_SKIP_CONTEXT_ROUTINES)
-ATTRIBUTE_NOINLINE PERFTOOLS_DLL_DECL
-int GetStackFramesWithContext(void** pcs, int* sizes, int max_depth,
-                              int skip_count, const void * /* uc */) {
-  return GetStackFrames(pcs, sizes, max_depth, skip_count + 1);
+// This code exists to generate minidump files for testing.
+
+#include <stdlib.h>
+
+#include <unistd.h>
+
+#include "third_party/breakpad/src/client/linux/handler/exception_handler.h"
+#include "third_party/breakpad/src/common/linux/linux_libc_support.h"
+#include "third_party/lss/linux_syscall_support.h"
+
+static bool DumpCallback(const google_breakpad::MinidumpDescriptor& descriptor,
+                         void* context, bool success) {
+  if (!success) {
+    static const char msg[] = "Failed to write minidump\n";
+    sys_write(2, msg, sizeof(msg) - 1);
+    return false;
+  }
+
+  static const char msg[] = "Wrote minidump: ";
+  sys_write(2, msg, sizeof(msg) - 1);
+  sys_write(2, descriptor.path(), strlen(descriptor.path()));
+  sys_write(2, "\n", 1);
+
+  return true;
+}
+
+static void DoSomethingWhichCrashes() {
+  int local_var = 1;
+  *reinterpret_cast<volatile char*>(NULL) = 1;
 }
 
-ATTRIBUTE_NOINLINE PERFTOOLS_DLL_DECL
-int GetStackTraceWithContext(void** result, int max_depth,
-                             int skip_count, const void * /* uc */) {
-  return GetStackTrace(result, max_depth, skip_count + 1);
+int main() {
+  google_breakpad::MinidumpDescriptor minidump(".");
+  google_breakpad::ExceptionHandler breakpad(minidump, NULL, DumpCallback, NULL,
+                                             true, -1);
+  DoSomethingWhichCrashes();
+  return 0;
 }
-#endif