Author: asiri
Date: Fri Jun 3 15:57:48 2016
New Revision: 271737
URL: http://llvm.org/viewvc/llvm-project?rev=271737&view=rev
Log:
[libunwind] Remove unused code.
The whole file is guarded with #if _LIBUNWIND_ARM_EHABI, and then in the
middle we have these two blocks, which render them pretty unused. An
artefact of a refactoring it seems.
NFC.
Modified:
libunwind/trunk/src/Unwind-EHABI.cpp
Modified: libunwind/trunk/src/Unwind-EHABI.cpp
URL:
http://llvm.org/viewvc/llvm-project/libunwind/trunk/src/Unwind-EHABI.cpp?rev=271737&r1=271736&r2=271737&view=diff
==============================================================================
--- libunwind/trunk/src/Unwind-EHABI.cpp (original)
+++ libunwind/trunk/src/Unwind-EHABI.cpp Fri Jun 3 15:57:48 2016
@@ -450,23 +450,6 @@ unwind_phase1(unw_context_t *uc, unw_cur
// Walk each frame looking for a place to stop.
for (bool handlerNotFound = true; handlerNotFound;) {
-#if !_LIBUNWIND_ARM_EHABI
- // Ask libuwind to get next frame (skip over first which is
- // _Unwind_RaiseException).
- int stepResult = unw_step(cursor);
- if (stepResult == 0) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_step() reached
"
- "bottom => _URC_END_OF_STACK\n",
- static_cast<void *>(exception_object));
- return _URC_END_OF_STACK;
- } else if (stepResult < 0) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_step failed =>
"
- "_URC_FATAL_PHASE1_ERROR\n",
- static_cast<void *>(exception_object));
- return _URC_FATAL_PHASE1_ERROR;
- }
-#endif
-
// See if frame has code to run (has personality routine).
unw_proc_info_t frameInfo;
if (unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) {
@@ -583,21 +566,6 @@ static _Unwind_Reason_Code unwind_phase2
resume = false;
}
-#if !_LIBUNWIND_ARM_EHABI
- int stepResult = unw_step(cursor);
- if (stepResult == 0) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step() reached
"
- "bottom => _URC_END_OF_STACK\n",
- static_cast<void *>(exception_object));
- return _URC_END_OF_STACK;
- } else if (stepResult < 0) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step failed =>
"
- "_URC_FATAL_PHASE1_ERROR\n",
- static_cast<void *>(exception_object));
- return _URC_FATAL_PHASE2_ERROR;
- }
-#endif
-
// Get info about this frame.
unw_word_t sp;
unw_proc_info_t frameInfo;
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