/* DWARF2 exception handling and frame unwind runtime interface routines.
- Copyright (C) 1997-2020 Free Software Foundation, Inc.
+ Copyright (C) 1997-2021 Free Software Foundation, Inc.
This file is part of GCC.
{
/* Compute the return address now, since the return address column
can change from frame to frame. */
- context->ra = __builtin_extract_return_addr
- (_Unwind_GetPtr (context, fs->retaddr_column));
-#ifdef MD_POST_EXTRACT_FRAME_ADDR
- context->ra = MD_POST_EXTRACT_FRAME_ADDR (context, fs, context->ra);
+ void *ret_addr;
+#ifdef MD_DEMANGLE_RETURN_ADDR
+ _Unwind_Word ra = _Unwind_GetGR (context, fs->retaddr_column);
+ ret_addr = MD_DEMANGLE_RETURN_ADDR (context, fs, ra);
+#else
+ ret_addr = _Unwind_GetPtr (context, fs->retaddr_column);
#endif
+ context->ra = __builtin_extract_return_addr (ret_addr);
}
}
void *outer_cfa, void *outer_ra)
{
void *ra = __builtin_extract_return_addr (__builtin_return_address (0));
-#ifdef MD_POST_EXTRACT_ROOT_ADDR
- ra = MD_POST_EXTRACT_ROOT_ADDR (ra);
-#endif
_Unwind_FrameState fs;
_Unwind_SpTmp sp_slot;
_Unwind_Reason_Code code;
initialization context, then we can't see it in the given
call frame data. So have the initialization context tell us. */
context->ra = __builtin_extract_return_addr (outer_ra);
-#ifdef MD_POST_EXTRACT_ROOT_ADDR
- context->ra = MD_POST_EXTRACT_ROOT_ADDR (context->ra);
-#endif
}
static void _Unwind_DebugHook (void *, void *)
#endif
}
-/* Frob exception handler's address kept in TARGET before installing into
- CURRENT context. */
-
-static inline void *
-uw_frob_return_addr (struct _Unwind_Context *current
- __attribute__ ((__unused__)),
- struct _Unwind_Context *target)
-{
- void *ret_addr = __builtin_frob_return_addr (target->ra);
-#ifdef MD_POST_FROB_EH_HANDLER_ADDR
- ret_addr = MD_POST_FROB_EH_HANDLER_ADDR (current, target, ret_addr);
-#endif
- return ret_addr;
-}
-
/* Install TARGET into CURRENT so that we can return to it. This is a
macro because __builtin_eh_return must be invoked in the context of
our caller. FRAMES is a number of frames to be unwind.
do \
{ \
long offset = uw_install_context_1 ((CURRENT), (TARGET)); \
- void *handler = uw_frob_return_addr ((CURRENT), (TARGET)); \
+ void *handler = __builtin_frob_return_addr ((TARGET)->ra); \
_Unwind_DebugHook ((TARGET)->cfa, handler); \
_Unwind_Frames_Extra (FRAMES); \
__builtin_eh_return (offset, handler); \