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/* $OpenBSD: archdep.h,v 1.4 2008/04/09 21:45:26 kurt Exp $ */
/*
* Copyright (c) 2004 Michael Shalayeff
* 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.
*
* 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 _HPPA_ARCHDEP_H_
#define _HPPA_ARCHDEP_H_
#define DL_MALLOC_ALIGN 8 /* Arch constraint or otherwise */
#define MACHID EM_PARISC /* ELF e_machine ID value checked */
#define RELTYPE Elf_Rela
#define RELSIZE sizeof(Elf_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(Elf_Rel *r, const Elf_Sym *s, Elf_Addr *p, unsigned long v)
{
/* HPPA does no REL type relocations */
_dl_exit(20);
}
/*
* !!!!! WARNING: THIS CODE CANNOT HANDLE ld.so RELOCATIONS OF THE FORM
* 0000bde8 R_PARISC_DIR32 .data+0x00000048
* these can be caused by static intialization foo = &bar;
* prepare to code around this problem, or fix it here.
*/
static inline void
RELOC_RELA(Elf_RelA *r, const Elf_Sym *s, Elf_Addr *p, unsigned long v)
{
/* XXX fille out _sl ??? */
if (ELF_R_TYPE(r->r_info) == RELOC_DIR32) {
*p = v + r->r_addend;
} else if (ELF_R_TYPE(r->r_info) == RELOC_IPLT) {
*p = v + s->st_value + r->r_addend;
} else if (ELF_R_TYPE(r->r_info) == RELOC_PLABEL32) {
*p = v + s->st_value + r->r_addend;
} else {
_dl_printf("unknown bootstrap relocation\n");
_dl_exit(6);
}
}
#define RELOC_GOT(obj, offs)
#define MD_CALL(sobj, func, arg) \
hppa_call((arg), (sobj)->dyn.pltgot, (func))
#define MD_ATEXIT(sobj, sym, func) \
MD_CALL((sobj), (void (*)())((sobj)->obj_base + (sym)->st_value), &_hppa_dl_dtors)
#define GOT_PERMS PROT_READ
void _hppa_dl_dtors(void);
void hppa_call(void *, Elf_Addr *, void (*)(void));
Elf_Addr _dl_md_plabel(Elf_Addr, Elf_Addr *);
#endif /* _HPPA_ARCHDEP_H_ */
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