[Mac] Capture -dealloc backtrace to log with CrZombie messages.
Logs a subset of the stack backtrace from the point of -dealloc into a
breakpad key to help debug messages to CrZombie objects. This
productionizes the basic approach taken to debug a few recent zombie
object crashes.
BUG=none
TEST=monitor crash server.
Review URL: http://codereview.chromium.org/7766013
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@98858 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/base/debug/stack_trace.h b/base/debug/stack_trace.h
index 02cb01f2..a524616c 100644
--- a/base/debug/stack_trace.h
+++ b/base/debug/stack_trace.h
@@ -26,6 +26,11 @@
// Creates a stacktrace from the current location.
StackTrace();
+ // Creates a stacktrace from an existing array of instruction
+ // pointers (such as returned by Addresses()). |count| will be
+ // trimmed to |kMaxTraces|.
+ StackTrace(const void* const* trace, size_t count);
+
#if defined(OS_WIN)
// Creates a stacktrace for an exception.
// Note: this function will throw an import not found (StackWalk64) exception
