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| author |   He Kuang <hekuang@huawei.com> | 2016-06-22 06:57:04 +0000 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-06-23 10:30:31 -0300 |
| commit | 3bd03c9583bfb22cb82eeb09d8445bb79d27ae78 (patch) | |
| tree | 7d4d4177b2223bbd996bcaaa8af3cf72e8d8447f /tools/perf/util/libunwind | |
| parent | perf unwind: Fix wrongly used regs for x86_32 unwind (diff) | |
| download | wireguard-linux-3bd03c9583bfb22cb82eeb09d8445bb79d27ae78.tar.xz wireguard-linux-3bd03c9583bfb22cb82eeb09d8445bb79d27ae78.zip | |
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 <hekuang@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1466578626-92406-4-git-send-email-hekuang@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/libunwind')
| -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" |