Add a human readable description of the tagged_addr_ctrl value to tombstones.
Change-Id: Ib9860b282cf749891e0f6ef7697669b94235c236
diff --git a/debuggerd/libdebuggerd/utility.cpp b/debuggerd/libdebuggerd/utility.cpp
index a7506b7..3c4c271 100644
--- a/debuggerd/libdebuggerd/utility.cpp
+++ b/debuggerd/libdebuggerd/utility.cpp
@@ -41,6 +41,7 @@
#include <unwindstack/Memory.h>
#include <unwindstack/Unwinder.h>
+using android::base::StringPrintf;
using android::base::unique_fd;
bool is_allowed_in_logcat(enum logtype ltype) {
@@ -444,6 +445,33 @@
return "?";
}
+std::string describe_tagged_addr_ctrl(long ctrl) {
+ std::string desc;
+ if (ctrl & PR_TAGGED_ADDR_ENABLE) {
+ desc += ", PR_TAGGED_ADDR_ENABLE";
+ ctrl &= ~PR_TAGGED_ADDR_ENABLE;
+ }
+ if (ctrl & PR_MTE_TCF_SYNC) {
+ desc += ", PR_MTE_TCF_SYNC";
+ ctrl &= ~PR_MTE_TCF_SYNC;
+ }
+ if (ctrl & PR_MTE_TCF_ASYNC) {
+ desc += ", PR_MTE_TCF_ASYNC";
+ ctrl &= ~PR_MTE_TCF_ASYNC;
+ }
+ if (ctrl & PR_MTE_TAG_MASK) {
+ desc += StringPrintf(", mask 0x%04lx", (ctrl & PR_MTE_TAG_MASK) >> PR_MTE_TAG_SHIFT);
+ ctrl &= ~PR_MTE_TAG_MASK;
+ }
+ if (ctrl) {
+ desc += StringPrintf(", unknown 0x%lx", ctrl);
+ }
+ if (desc.empty()) {
+ return "";
+ }
+ return " (" + desc.substr(2) + ")";
+}
+
void log_backtrace(log_t* log, unwindstack::Unwinder* unwinder, const char* prefix) {
if (unwinder->elf_from_memory_not_file()) {
_LOG(log, logtype::BACKTRACE,