commit f88082811a87e3e088b926d0e0fa90688e02d258
author Yabin Cui <yabinc@google.com> Tue Dec 12 18:04:10 2017 -0800
committer Yabin Cui <yabinc@google.com> Fri Dec 15 13:29:53 2017 -0800
tree f338ee9f0e5e0c061fde9e3a39f2f27f9e457958
parent 80bfeeef884e08b3a6aa593b1a35217b01e1b855

libbacktrace: export offline unwinding failures.

This is to help debugging different offline unwiding failures.

Bug: http://b/69383534
Test: run backtrace_test.
Change-Id: I5ed4837027a9f17d032925e97e9f5927161444b3

libbacktrace/UnwindStack.cpp

diff --git a/libbacktrace/UnwindStack.cpp b/libbacktrace/UnwindStack.cpp
index 56a6c68..2a555af 100644
--- a/libbacktrace/UnwindStack.cpp
+++ b/libbacktrace/UnwindStack.cpp
@@ -102,7 +102,7 @@
     regs.reset(unwindstack::Regs::CreateFromUcontext(unwindstack::Regs::CurrentArch(), ucontext));
   }
 
-  error_ = BACKTRACE_UNWIND_NO_ERROR;
+  error_.error_code = BACKTRACE_UNWIND_NO_ERROR;
   std::vector<std::string> skip_names{"libunwindstack.so", "libbacktrace.so"};
   return Backtrace::Unwind(regs.get(), GetMap(), &frames_, num_ignore_frames, &skip_names);
 }
@@ -122,7 +122,7 @@
     regs.reset(unwindstack::Regs::CreateFromUcontext(unwindstack::Regs::CurrentArch(), context));
   }
 
-  error_ = BACKTRACE_UNWIND_NO_ERROR;
+  error_.error_code = BACKTRACE_UNWIND_NO_ERROR;
   return Backtrace::Unwind(regs.get(), GetMap(), &frames_, num_ignore_frames, nullptr);
 }