Adding libdw DWARF post unwind support, which is part of elfutils-devel/libdw-dev package from version 0.158.
Also includes the test suite for dwarf unwinding, by adding the arch specific test code and the perf_regs_load function.
Jean Pihet (3): perf tests: Introduce perf_regs_load function on ARM perf tests: Add dwarf unwind test on ARM perf tools: Add libdw DWARF post unwind support for ARM
tools/perf/Makefile.perf | 2 +- tools/perf/arch/arm/Makefile | 7 ++++ tools/perf/arch/arm/include/perf_regs.h | 5 +++ tools/perf/arch/arm/tests/dwarf-unwind.c | 59 +++++++++++++++++++++++++++++++ tools/perf/arch/arm/tests/regs_load.S | 60 ++++++++++++++++++++++++++++++++ tools/perf/arch/arm/util/unwind-libdw.c | 36 +++++++++++++++++++ tools/perf/tests/builtin-test.c | 2 +- tools/perf/tests/tests.h | 2 +- 8 files changed, 170 insertions(+), 3 deletions(-) create mode 100644 tools/perf/arch/arm/tests/dwarf-unwind.c create mode 100644 tools/perf/arch/arm/tests/regs_load.S create mode 100644 tools/perf/arch/arm/util/unwind-libdw.c
--- Rebased on the latest jolsa/perf/core