Commit-ID: 3bd03c9583bfb22cb82eeb09d8445bb79d27ae78 Gitweb: http://git.kernel.org/tip/3bd03c9583bfb22cb82eeb09d8445bb79d27ae78 Author: He Kuang <[email protected]> AuthorDate: Wed, 22 Jun 2016 06:57:04 +0000 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Thu, 23 Jun 2016 10:30:31 -0300
perf unwind: Fix wrongly used regs for aarch64 unwind By default, "unwind-libunwind-local.c" gets SP/IP register number according to the host platform, for remote unwind, we should use register number for target platform. Fix this by define LIBUNWIND_ARCH_REG_SP/IP in the wrapper file of aarch64 platform. Signed-off-by: He Kuang <[email protected]> Acked-by: Jiri Olsa <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Andi Kleen <[email protected]> Cc: David Ahern <[email protected]> Cc: Ekaterina Tumanova <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Kan Liang <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Sukadev Bhattiprolu <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/libunwind/arm64.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c index 4fb5395..6559bc5 100644 --- a/tools/perf/util/libunwind/arm64.c +++ b/tools/perf/util/libunwind/arm64.c @@ -13,7 +13,12 @@ #define REMOTE_UNWIND_LIBUNWIND +/* Define arch specific functions & regs for libunwind, should be + * defined before including "unwind.h" + */ #define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arm64_reg_id(regnum) +#define LIBUNWIND__ARCH_REG_IP PERF_REG_ARM64_PC +#define LIBUNWIND__ARCH_REG_SP PERF_REG_ARM64_SP #include "unwind.h" #include "debug.h"

