commit b2749310a8b4789b7ddd8fe1055d3bcb19741518
author Christopher Ferris <cferris@google.com> Fri Mar 23 13:03:45 2018 -0700
committer Christopher Ferris <cferris@google.com> Mon Mar 26 13:10:28 2018 -0700
tree dabb1377b633736ce3da2296716bc544d4d7f43e
parent a020472fe3f732a4523cf36f56a309089193648c

Display all stack frames on a crash.

Bug: 74121887

Test: Forced a crash in the unwind code and verified the frames
Test: in the unwinder are present.
Change-Id: Id158dadea25e986a0d2e9feba0873a921644fd22

runtime/native_stack_dump.cc

diff --git a/runtime/native_stack_dump.cc b/runtime/native_stack_dump.cc
index c26c26e..0db1770 100644
--- a/runtime/native_stack_dump.cc
+++ b/runtime/native_stack_dump.cc
@@ -287,7 +287,8 @@
                      BacktraceMap* existing_map,
                      const char* prefix,
                      ArtMethod* current_method,
-                     void* ucontext_ptr) {
+                     void* ucontext_ptr,
+                     bool skip_frames) {
   // b/18119146
   if (RUNNING_ON_MEMORY_TOOL != 0) {
     return;
@@ -300,6 +301,7 @@
     map = tmp_map.get();
   }
   std::unique_ptr<Backtrace> backtrace(Backtrace::Create(BACKTRACE_CURRENT_PROCESS, tid, map));
+  backtrace->SetSkipFrames(skip_frames);
   if (!backtrace->Unwind(0, reinterpret_cast<ucontext*>(ucontext_ptr))) {
     os << prefix << "(backtrace::Unwind failed for thread " << tid
        << ": " <<  backtrace->GetErrorString(backtrace->GetError()) << ")" << std::endl;