[libunwind] Clean up macro usage.
Convention in libunwind is to use !defined(FOOT) not !FOO.
Differential Revision: https://reviews.llvm.org/D31078
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@299225 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/UnwindLevel1-gcc-ext.c b/src/UnwindLevel1-gcc-ext.c
index 166dc6a..f8c1fb4 100644
--- a/src/UnwindLevel1-gcc-ext.c
+++ b/src/UnwindLevel1-gcc-ext.c
@@ -23,12 +23,12 @@
#include "Unwind-EHABI.h"
#include "unwind.h"
-#if _LIBUNWIND_BUILD_ZERO_COST_APIS
+#if defined(_LIBUNWIND_BUILD_ZERO_COST_APIS)
/// Called by __cxa_rethrow().
_LIBUNWIND_EXPORT _Unwind_Reason_Code
_Unwind_Resume_or_Rethrow(_Unwind_Exception *exception_object) {
-#if _LIBUNWIND_ARM_EHABI
+#if defined(_LIBUNWIND_ARM_EHABI)
_LIBUNWIND_TRACE_API("_Unwind_Resume_or_Rethrow(ex_obj=%p), private_1=%ld",
(void *)exception_object,
(long)exception_object->unwinder_cache.reserved1);
@@ -38,7 +38,7 @@
(long)exception_object->private_1);
#endif
-#if _LIBUNWIND_ARM_EHABI
+#if defined(_LIBUNWIND_ARM_EHABI)
// _Unwind_RaiseException on EHABI will always set the reserved1 field to 0,
// which is in the same position as private_1 below.
return _Unwind_RaiseException(exception_object);
@@ -111,7 +111,7 @@
_LIBUNWIND_TRACE_API("_Unwind_Backtrace(callback=%p)",
(void *)(uintptr_t)callback);
-#if _LIBUNWIND_ARM_EHABI
+#if defined(_LIBUNWIND_ARM_EHABI)
// Create a mock exception object for force unwinding.
_Unwind_Exception ex;
memset(&ex, '\0', sizeof(ex));
@@ -122,7 +122,7 @@
while (true) {
_Unwind_Reason_Code result;
-#if !_LIBUNWIND_ARM_EHABI
+#if !defined(_LIBUNWIND_ARM_EHABI)
// ask libunwind to get next frame (skip over first frame which is
// _Unwind_Backtrace())
if (unw_step(&cursor) <= 0) {
@@ -154,7 +154,7 @@
_URC_CONTINUE_UNWIND) {
return _URC_END_OF_STACK;
}
-#endif // _LIBUNWIND_ARM_EHABI
+#endif // defined(_LIBUNWIND_ARM_EHABI)
// debugging
if (_LIBUNWIND_TRACING_UNWINDING) {
@@ -222,7 +222,7 @@
return _Unwind_GetIP(context);
}
-#if _LIBUNWIND_SUPPORT_DWARF_UNWIND
+#if defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND)
/// Called by programs with dynamic code generators that want
/// to register a dynamically generated FDE.
@@ -252,7 +252,7 @@
// applications working. We also add the not in 10.6 symbol so that nwe
// application won't be able to use them.
-#if _LIBUNWIND_SUPPORT_FRAME_APIS
+#if defined(_LIBUNWIND_SUPPORT_FRAME_APIS)
_LIBUNWIND_EXPORT void __register_frame_info_bases(const void *fde, void *ob,
void *tb, void *db) {
(void)fde;
@@ -309,8 +309,8 @@
// do nothing, this function never worked in Mac OS X
return NULL;
}
-#endif // _LIBUNWIND_SUPPORT_FRAME_APIS
+#endif // defined(_LIBUNWIND_SUPPORT_FRAME_APIS)
-#endif // _LIBUNWIND_SUPPORT_DWARF_UNWIND
+#endif // defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND)
-#endif // _LIBUNWIND_BUILD_ZERO_COST_APIS
+#endif // defined(_LIBUNWIND_BUILD_ZERO_COST_APIS)