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Commit b5f090d8 authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
Browse files

Merge "libbacktrace: correctly number frames when skipping."

parents 876b13d0 cd546c11

libbacktrace/UnwindStack.cpp

+1 −1
Original line number Diff line number Diff line
@@ -64,7 +64,7 @@ bool Backtrace::Unwind(unwindstack::Regs* regs, BacktraceMap* back_map, 
    auto frame = &unwinder_frames[i];

    backtrace_frame_data_t* back_frame = &frames->at(cur_frame);



    back_frame->num = frame->num;

    back_frame->num = frame->num - num_ignore_frames;



    back_frame->rel_pc = frame->rel_pc;

    back_frame->pc = frame->pc;

libbacktrace/backtrace_test.cpp

+16 −0
Original line number Diff line number Diff line
@@ -1844,6 +1844,22 @@ TEST(libbacktrace, unwind_remote_through_signal_using_action_new) { 
  UnwindThroughSignal(true, Backtrace::CreateNew, BacktraceMap::CreateNew);

}



static void TestFrameSkipNumbering(create_func_t create_func, map_create_func_t map_create_func) {

  std::unique_ptr<BacktraceMap> map(map_create_func(getpid(), false));

  std::unique_ptr<Backtrace> backtrace(create_func(getpid(), gettid(), map.get()));

  backtrace->Unwind(1);

  ASSERT_NE(0U, backtrace->NumFrames());

  ASSERT_EQ(0U, backtrace->GetFrame(0)->num);

}



TEST(libbacktrace, unwind_frame_skip_numbering) {

  TestFrameSkipNumbering(Backtrace::Create, BacktraceMap::Create);

}



TEST(libbacktrace, unwind_frame_skip_numbering_new) {

  TestFrameSkipNumbering(Backtrace::CreateNew, BacktraceMap::CreateNew);

}



#if defined(ENABLE_PSS_TESTS)

#include "GetPss.h"