Use new AndroidUnwinder object.
Replace libbacktrace with the new AndroidUnwinder object.
Bug: 120606663
Test: Ran unit tests.
Test: Added call of UnwindMainThreadStack() in DebugRebootLogging()
Test: and verified unwind data is logged properly.
Change-Id: Ia724f9485377d6d2c894283242a3c5653bf82768
diff --git a/init/reboot_utils.cpp b/init/reboot_utils.cpp
index b3fa9fd..f8e1de0 100644
--- a/init/reboot_utils.cpp
+++ b/init/reboot_utils.cpp
@@ -26,8 +26,8 @@
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/strings.h>
-#include <backtrace/Backtrace.h>
#include <cutils/android_reboot.h>
+#include <unwindstack/AndroidUnwinder.h>
#include "capabilities.h"
#include "reboot_utils.h"
@@ -157,13 +157,13 @@
// In the parent, let's try to get a backtrace then shutdown.
LOG(ERROR) << __FUNCTION__ << ": signal " << signal_number;
- std::unique_ptr<Backtrace> backtrace(
- Backtrace::Create(BACKTRACE_CURRENT_PROCESS, BACKTRACE_CURRENT_THREAD));
- if (!backtrace->Unwind(0)) {
- LOG(ERROR) << __FUNCTION__ << ": Failed to unwind callstack.";
+ unwindstack::AndroidLocalUnwinder unwinder;
+ unwindstack::AndroidUnwinderData data;
+ if (!unwinder.Unwind(data)) {
+ LOG(ERROR) << __FUNCTION__ << ": Failed to unwind callstack: " << data.GetErrorString();
}
- for (size_t i = 0; i < backtrace->NumFrames(); i++) {
- LOG(ERROR) << backtrace->FormatFrameData(i);
+ for (const auto& frame : data.frames) {
+ LOG(ERROR) << unwinder.FormatFrame(frame);
}
if (init_fatal_panic) {
LOG(ERROR) << __FUNCTION__ << ": Trigger crash";