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/* $OpenBSD: archdep.h,v 1.7 2003/04/28 21:32:08 drahn Exp $ */
/*
* Copyright (c) 1998 Per Fogelstrom, Opsycon AB
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed under OpenBSD by
* Per Fogelstrom, Opsycon AB, Sweden.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef _I386_ARCHDEP_H_
#define _I386_ARCHDEP_H_
#define DL_MALLOC_ALIGN 8 /* Arch constraint or otherwise */
#define MACHID EM_386 /* ELF e_machine ID value checked */
#define RELTYPE Elf32_Rela
#define RELSIZE sizeof(Elf32_Rela)
#include <sys/mman.h>
#include <elf_abi.h>
#include <machine/reloc.h>
#include "syscall.h"
#include "util.h"
static inline void *
_dl_mmap(void *addr, unsigned int len, unsigned int prot,
unsigned int flags, int fd, off_t offset)
{
return((void *)_dl__syscall((quad_t)SYS_mmap, addr, len, prot,
flags, fd, 0, offset));
}
static inline void *
_dl_mquery(void *addr, unsigned int len, unsigned int prot,
unsigned int flags, int fd, off_t offset)
{
return((void *)_dl__syscall((quad_t)SYS_mquery, addr, len, prot,
flags, fd, 0, offset));
}
static inline void
RELOC_REL(Elf32_Rel *r, const Elf32_Sym *s, Elf32_Addr *p, unsigned long v)
{
if (ELF32_R_TYPE(r->r_info) == RELOC_RELATIVE) {
*p += v;
} else if (ELF32_R_TYPE(r->r_info) == RELOC_GLOB_DAT) {
*p += v + s->st_value;
} else {
_dl_printf("unknown bootstrap relocation\n");
_dl_exit(6);
}
}
static inline void
RELOC_RELA(Elf32_Rela *r, const Elf32_Sym *s, Elf32_Addr *p, unsigned long v)
{
/* does i386 use RELA type relocations? - XXX */
if (ELF32_R_TYPE(r->r_info) == RELOC_RELATIVE) {
*p = v + r->r_addend;
} else if (ELF32_R_TYPE(r->r_info) == RELOC_GLOB_DAT) {
*p = v + s->st_value + r->r_addend;
} else {
_dl_printf("unknown bootstrap relocation\n");
_dl_exit(6);
}
}
#define RELOC_GOT(obj, offs)
#define GOT_PERMS PROT_READ
#endif /* _I386_ARCHDEP_H_ */
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