Mao Han 3213486f2e csky: Add support for perf unwind-libdw ... This patch add support for DWARF register mappings and libdw registers initialization, which is used by perf callchain analyzing, eg: perf record --call-graph=dwarf <COMMAND> Here is elfutils csky backend patch set: https://sourceware.org/ml/elfutils-devel/2019-q2/msg00007.html Signed-off-by: Mao Han <han_mao@c-sky.com> Signed-off-by: Guo Ren <ren_guo@c-sky.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Arnd Bergmann <arnd@arnd.de>		2019-05-09 20:36:42 +08:00
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asm	csky: Add support for perf unwind-libdw	2019-05-09 20:36:42 +08:00