diff options
author | He Kuang <[email protected]> | 2016-06-22 06:57:04 +0000 |
---|---|---|
committer | Arnaldo Carvalho de Melo <[email protected]> | 2016-06-23 10:30:31 -0300 |
commit | 3bd03c9583bfb22cb82eeb09d8445bb79d27ae78 (patch) | |
tree | 7d4d4177b2223bbd996bcaaa8af3cf72e8d8447f | |
parent | 5dafea097ac65bd01cc86801c399ae41dce79756 (diff) |
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]>
-rw-r--r-- | tools/perf/util/libunwind/arm64.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c index 4fb5395669f8..6559bc586643 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" |