Commit 5dafea09 authored by He Kuang's avatar He Kuang Committed by Arnaldo Carvalho de Melo

perf unwind: Fix wrongly used regs for x86_32 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 x86_32 platform.
Signed-off-by: default avatarHe Kuang <hekuang@huawei.com>
Acked-by: default avatarJiri 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/1466578626-92406-3-git-send-email-hekuang@huawei.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 78ff1d6d
......@@ -12,7 +12,13 @@
*/
#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__x86_reg_id(regnum)
#define LIBUNWIND__ARCH_REG_IP PERF_REG_X86_IP
#define LIBUNWIND__ARCH_REG_SP PERF_REG_X86_SP
#include "unwind.h"
#include "debug.h"
......
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