linux-kernel - [PATCH 0/3] perf tools: Add libdw DWARF post unwind support for ARM64

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Date:	Wed, 19 Mar 2014 10:42:32 +0100
From:	Jean Pihet <jean.pihet@...aro.org>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Arnaldo <acme@...stprotocols.net>,
	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
	Steve Capper <steve.capper@...aro.org>,
	Mark Rutland <mark.rutland@....com>
Cc:	patches@...aro.org, Jean Pihet <jean.pihet@...aro.org>
Subject: [PATCH 0/3] perf tools: Add libdw DWARF post unwind support for ARM64

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.

This series depends on the following kernel patches series:
- AARCH64 unwinding support [1],
- ARM libdw integration [2],
and on the changes from the branch for:
- libdw AARCH64 unwinding support [3].

[1] http://www.spinics.net/lists/arm-kernel/msg304483.html
[2] http://www.spinics.net/lists/arm-kernel/msg312423.html
[3] https://git.fedorahosted.org/cgit/elfutils.git/log/?h=mjw/aarch64-unwind


Jean Pihet (3):
  perf tests: Introduce perf_regs_load function on ARM64
  perf tests: Add dwarf unwind test on ARM64
  perf tools: Add libdw DWARF post unwind support for ARM64

 tools/perf/Makefile.perf                   |  2 +-
 tools/perf/arch/arm64/Makefile             |  7 ++++
 tools/perf/arch/arm64/include/perf_regs.h  |  5 +++
 tools/perf/arch/arm64/tests/dwarf-unwind.c | 59 ++++++++++++++++++++++++++++++
 tools/perf/arch/arm64/tests/regs_load.S    | 39 ++++++++++++++++++++
 tools/perf/arch/arm64/util/unwind-libdw.c  | 53 +++++++++++++++++++++++++++
 tools/perf/tests/builtin-test.c            |  3 +-
 tools/perf/tests/tests.h                   |  3 +-
 8 files changed, 168 insertions(+), 3 deletions(-)
 create mode 100644 tools/perf/arch/arm64/tests/dwarf-unwind.c
 create mode 100644 tools/perf/arch/arm64/tests/regs_load.S
 create mode 100644 tools/perf/arch/arm64/util/unwind-libdw.c

---

- Rebased on latest acme/perf/core git tree,
- Tested on the ARMv8 Foundation emulator.

-- 
1.7.11.7

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