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authorJiyoung Yun <jy910.yun@samsung.com>2016-12-27 16:46:08 +0900
committerJiyoung Yun <jy910.yun@samsung.com>2016-12-27 16:46:08 +0900
commitdb20f3f1bb8595633a7e16c8900fd401a453a6b5 (patch)
treee5435159cd1bf0519276363a6fe1663d1721bed3 /src/pal/src/exception/signal.cpp
parent4b4aad7217d3292650e77eec2cf4c198ea9c3b4b (diff)
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Imported Upstream version 1.0.0.9127upstream/1.0.0.9127
Diffstat (limited to 'src/pal/src/exception/signal.cpp')
-rw-r--r--src/pal/src/exception/signal.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/pal/src/exception/signal.cpp b/src/pal/src/exception/signal.cpp
index c2c217993a..26e2a012c5 100644
--- a/src/pal/src/exception/signal.cpp
+++ b/src/pal/src/exception/signal.cpp
@@ -100,6 +100,10 @@ static bool registered_sigterm_handler = false;
struct sigaction g_previous_activation;
#endif
+// Offset of the local variable containing native context in the common_signal_handler function.
+// This offset is relative to the frame pointer.
+int g_common_signal_handler_context_locvar_offset = 0;
+
/* public function definitions ************************************************/
/*++
@@ -582,6 +586,7 @@ Note:
the "pointers" parameter should contain a valid exception record pointer,
but the ContextRecord pointer will be overwritten.
--*/
+__attribute__((noinline))
static bool common_signal_handler(int code, siginfo_t *siginfo, void *sigcontext, int numParams, ...)
{
sigset_t signal_set;
@@ -590,6 +595,7 @@ static bool common_signal_handler(int code, siginfo_t *siginfo, void *sigcontext
native_context_t *ucontext;
ucontext = (native_context_t *)sigcontext;
+ g_common_signal_handler_context_locvar_offset = (int)((char*)&ucontext - (char*)__builtin_frame_address(0));
AllocateExceptionRecords(&exceptionRecord, &contextRecord);