/* Specialized bits of code needed to support construction and
destruction of file-scope objects in C++ code.
Copyright (C) 1991, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com).
This file is part of GCC.
but not its definition.
Making TARGET_WEAK_ATTRIBUTE conditional seems like a good solution until
- one thinks about scaling to larger problems -- ie, the condition under
+ one thinks about scaling to larger problems -- i.e., the condition under
which TARGET_WEAK_ATTRIBUTE is active will eventually get far too
complicated.
/* References to __register_frame_info and __deregister_frame_info should
be weak in this file if at all possible. */
-extern void __register_frame_info (void *, struct object *)
+extern void __register_frame_info (const void *, struct object *)
TARGET_ATTRIBUTE_WEAK;
-extern void __register_frame_info_bases (void *, struct object *,
+extern void __register_frame_info_bases (const void *, struct object *,
void *, void *)
TARGET_ATTRIBUTE_WEAK;
-extern void *__deregister_frame_info (void *)
+extern void *__deregister_frame_info (const void *)
TARGET_ATTRIBUTE_WEAK;
-extern void *__deregister_frame_info_bases (void *)
+extern void *__deregister_frame_info_bases (const void *)
TARGET_ATTRIBUTE_WEAK;
+extern void __do_global_ctors_1 (void);
/* Likewise for _Jv_RegisterClasses. */
extern void _Jv_RegisterClasses (void *) TARGET_ATTRIBUTE_WEAK;
}
#ifdef USE_EH_FRAME_REGISTRY
-#if defined(CRT_GET_RFIB_TEXT) || defined(CRT_GET_RFIB_DATA)
+#ifdef CRT_GET_RFIB_DATA
/* If we used the new __register_frame_info_bases interface,
make sure that we deregister from the same place. */
if (__deregister_frame_info_bases)
{
#ifdef USE_EH_FRAME_REGISTRY
static struct object object;
-#if defined(CRT_GET_RFIB_TEXT) || defined(CRT_GET_RFIB_DATA)
+#ifdef CRT_GET_RFIB_DATA
void *tbase, *dbase;
-#ifdef CRT_GET_RFIB_TEXT
- CRT_GET_RFIB_TEXT (tbase);
-#else
tbase = 0;
-#endif
-#ifdef CRT_GET_RFIB_DATA
CRT_GET_RFIB_DATA (dbase);
-#else
- dbase = 0;
-#endif
if (__register_frame_info_bases)
__register_frame_info_bases (__EH_FRAME_BEGIN__, &object, tbase, dbase);
#else
if (__register_frame_info)
__register_frame_info (__EH_FRAME_BEGIN__, &object);
-#endif
+#endif /* CRT_GET_RFIB_DATA */
#endif /* USE_EH_FRAME_REGISTRY */
#ifdef JCR_SECTION_NAME
- if (__JCR_LIST__[0] && _Jv_RegisterClasses)
- _Jv_RegisterClasses (__JCR_LIST__);
+ if (__JCR_LIST__[0])
+ {
+ void (*register_classes) (void *) = _Jv_RegisterClasses;
+ __asm ("" : "+r" (register_classes));
+ if (register_classes)
+ register_classes (__JCR_LIST__);
+ }
#endif /* JCR_SECTION_NAME */
}
asm (INIT_SECTION_ASM_OP); /* cc1 doesn't know that we are switching! */
-/* On some svr4 systems, the initial .init section preamble code provided in
- crti.o may do something, such as bump the stack, which we have to
- undo before we reach the function prologue code for __do_global_ctors
- (directly below). For such systems, define the macro INIT_SECTION_PREAMBLE
- to expand into the code needed to undo the actions of the crti.o file. */
-
-#ifdef INIT_SECTION_PREAMBLE
- INIT_SECTION_PREAMBLE;
-#endif
-
/* A routine to invoke all of the global constructors upon entry to the
program. We put this into the .init section (for systems that have
such a thing) so that we can properly perform the construction of
#elif defined(HAS_INIT_SECTION) /* ! INIT_SECTION_ASM_OP */
+extern void __do_global_dtors (void);
+
/* This case is used by the Irix 6 port, which supports named sections but
not an SVR4-style .fini section. __do_global_dtors can be non-static
in this case because we protect it with -hidden_symbol. */
__register_frame_info (__EH_FRAME_BEGIN__, &object);
#endif
#ifdef JCR_SECTION_NAME
- if (__JCR_LIST__[0] && _Jv_RegisterClasses)
- _Jv_RegisterClasses (__JCR_LIST__);
+ if (__JCR_LIST__[0])
+ {
+ void (*register_classes) (void *) = _Jv_RegisterClasses;
+ __asm ("" : "+r" (register_classes));
+ if (register_classes)
+ register_classes (__JCR_LIST__);
+ }
#endif
}
#endif /* USE_EH_FRAME_REGISTRY || JCR_SECTION_NAME */
#ifdef EH_FRAME_SECTION_NAME
/* Terminate the frame unwind info section with a 4byte 0 as a sentinel;
this would be the 'length' field in a real FDE. */
-STATIC EH_FRAME_SECTION_CONST int __FRAME_END__[]
- __attribute__ ((unused, mode(SI), section(EH_FRAME_SECTION_NAME),
- aligned(4)))
+# if __INT_MAX__ == 2147483647
+typedef int int32;
+# elif __LONG_MAX__ == 2147483647
+typedef long int32;
+# elif __SHRT_MAX__ == 2147483647
+typedef short int32;
+# else
+# error "Missing a 4 byte integer"
+# endif
+STATIC EH_FRAME_SECTION_CONST int32 __FRAME_END__[]
+ __attribute__ ((unused, section(EH_FRAME_SECTION_NAME),
+ aligned(sizeof(int32))))
= { 0 };
#endif /* EH_FRAME_SECTION_NAME */
#elif defined(HAS_INIT_SECTION) /* ! INIT_SECTION_ASM_OP */
+extern void __do_global_ctors (void);
+
/* This case is used by the Irix 6 port, which supports named sections but
not an SVR4-style .init section. __do_global_ctors can be non-static
in this case because we protect it with -hidden_symbol. */
-extern void __do_global_ctors_1(void);
void
__do_global_ctors (void)
{
OSDN Git Service
