/* DWARF2 exception handling and frame unwind runtime interface routines.
- Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
This file is part of GCC.
#include "tconfig.h"
#include "tsystem.h"
+#include "coretypes.h"
+#include "tm.h"
#include "unwind.h"
#include "gthr.h"
-#if USING_SJLJ_EXCEPTIONS
+#ifdef __USING_SJLJ_EXCEPTIONS__
#ifdef DONT_USE_BUILTIN_SETJMP
#ifndef inhibit_libc
#ifdef DONT_USE_BUILTIN_SETJMP
/* We don't know what sort of alignment requirements the system
jmp_buf has. We over estimated in except.c, and now we have
- to match that here just in case the system *didn't* have more
+ to match that here just in case the system *didn't* have more
restrictive requirements. */
jmp_buf jbuf __attribute__((aligned));
#else
struct SjLj_Function_Context *fc;
};
-typedef struct
+typedef struct
{
_Unwind_Personality_Fn personality;
} _Unwind_FrameState;
static int use_fc_key = -1;
static void
-fc_key_dtor (void *ptr)
-{
- __gthread_key_dtor (fc_key, ptr);
-}
-
-static void
fc_key_init (void)
{
- use_fc_key = __gthread_key_create (&fc_key, fc_key_dtor) == 0;
+ use_fc_key = __gthread_key_create (&fc_key, 0) == 0;
}
static void
}
_Unwind_Ptr
-_Unwind_GetRegionStart (struct _Unwind_Context *context)
+_Unwind_GetRegionStart (struct _Unwind_Context *context __attribute__((unused)) )
{
return 0;
}
+void *
+_Unwind_FindEnclosingFunction (void *pc)
+{
+ return NULL;
+}
+
#ifndef __ia64__
_Unwind_Ptr
-_Unwind_GetDataRelBase (struct _Unwind_Context *context)
+_Unwind_GetDataRelBase (struct _Unwind_Context *context __attribute__((unused)) )
{
return 0;
}
_Unwind_Ptr
-_Unwind_GetTextRelBase (struct _Unwind_Context *context)
+_Unwind_GetTextRelBase (struct _Unwind_Context *context __attribute__((unused)) )
{
return 0;
}
context->fc = context->fc->prev;
}
-static inline void
+static inline void
uw_init_context (struct _Unwind_Context *context)
{
context->fc = _Unwind_SjLj_GetContext ();
}
/* ??? There appear to be bugs in integrate.c wrt __builtin_longjmp and
- virtual-stack-vars. An inline version of this segfaults on Sparc. */
-#define uw_install_context(CURRENT, TARGET) \
- do { \
- _Unwind_SjLj_SetContext ((TARGET)->fc); \
- longjmp ((TARGET)->fc->jbuf, 1); \
- } while (0)
+ virtual-stack-vars. An inline version of this segfaults on SPARC. */
+#define uw_install_context(CURRENT, TARGET) \
+ do \
+ { \
+ _Unwind_SjLj_SetContext ((TARGET)->fc); \
+ longjmp ((TARGET)->fc->jbuf, 1); \
+ } \
+ while (0)
static inline _Unwind_Ptr