Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add support for init_array/fini_array (conditionalized on HAVE_INITFINI_ARRAY). 

[This is needed for ARM EABI.]
This commit is contained in:
matt 2012-08-13 02:15:35 +00:00
parent f95b2549d9
commit 6de169804e
1 changed files with 34 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
lib/csu/common/crt0-common.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: crt0-common.c,v 1.8 2012/03/22 22:59:43 joerg Exp $ */
/* $NetBSD: crt0-common.c,v 1.9 2012/08/13 02:15:35 matt Exp $ */
/*
* Copyright (c) 1998 Christos Zoulas
@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: crt0-common.c,v 1.8 2012/03/22 22:59:43 joerg Exp $");
__RCSID("$NetBSD: crt0-common.c,v 1.9 2012/08/13 02:15:35 matt Exp $");
#include <sys/types.h>
#include <sys/exec.h>
@ -49,8 +49,10 @@ __RCSID("$NetBSD: crt0-common.c,v 1.8 2012/03/22 22:59:43 joerg Exp $");
extern int main(int, char **, char **);
#ifndef HAVE_INITFINI_ARRAY
extern void _init(void);
extern void _fini(void);
#endif
extern void _libc_init(void);
/*
@ -85,6 +87,36 @@ do { \
_exit(1); \
} while (0)
#ifdef HAVE_INITFINI_ARRAY
/*
* If we are using INIT_ARRAY/FINI_ARRAY and we are linked statically,
* we have to process these instead of relying on RTLD to do it for us.
*
* Since we don't need .init or .fini sections, just code them in C
* to make life easier.
*/
static const fptr_t init_array_start[] __weak_reference(__init_array_start);
static const fptr_t init_array_end[] __weak_reference(__init_array_end);
static const fptr_t fini_array_start[] __weak_reference(__fini_array_start);
static const fptr_t fini_array_end[] __weak_reference(__fini_array_end);
static inline void
_init(void)
{
for (const fptr_t *f = init_array_start; f < init_array_end; f++) {
(*f)();
}
}
static void
_fini(void)
{
for (const fptr_t *f = fini_array_start; f < fini_array_end; f++) {
(*f)();
}
}
#endif /* HAVE_INITFINI_ARRAY */
void
___start(void (*cleanup)(void), /* from shared loader */
const Obj_Entry *obj, /* from shared loader */