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/* $OpenBSD: archdep.h,v 1.2 2001/09/23 00:14:56 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 _SPARC64_ARCHDEP_H_
#define _SPARC64_ARCHDEP_H_
#define DL_MALLOC_ALIGN 8 /* Arch constraint or otherwise */
#define MACHID EM_SPARCV9 /* ELF e_machine ID value checked */
#define RELTYPE Elf64_Rela
#define RELSIZE sizeof(Elf64_Rela)
#include <elf_abi.h>
#include <machine/exec.h>
int _dl_write __P((int, const char *, int));
/*
* The following functions are declared inline so they can
* be used before bootstrap linking has been finished.
*/
static inline void
_dl_wrstderr(const char *s)
{
while(*s) {
_dl_write(2, s, 1);
s++;
}
}
static inline void *
_dl_memset(void *p, const char v, size_t c)
{
char *ip = p;
while(c--)
*ip++ = v;
return(p);
}
static inline int
_dl_strlen(const char *p)
{
const char *s = p;
while(*s != '\0')
s++;
return(s - p);
}
static inline char *
_dl_strcpy(char *d, const char *s)
{
char *rd = d;
while((*d++ = *s++) != '\0');
return(rd);
}
static inline int
_dl_strncmp(const char *d, const char *s, int c)
{
while(c-- && *d && *d == *s) {
d++;
s++;
};
if(c < 0) {
return(0);
}
return(*d - *s);
}
static inline int
_dl_strcmp(const char *d, const char *s)
{
while(*d && *d == *s) {
d++;
s++;
}
return(*d - *s);
}
static inline const char *
_dl_strchr(const char *p, const int c)
{
while(*p) {
if(*p == c) {
return(p);
}
p++;
}
return(0);
}
static inline void
RELOC_RELA(Elf64_Rela *r, const Elf64_Sym *s, Elf64_Addr *p, unsigned long v)
{
extern Elf_Addr _GLOBAL_OFFSET_TABLE_[];
if (ELF64_R_TYPE(r->r_info) == R_SPARC_RELATIVE) {
if ((caddr_t)p < (caddr_t)_GLOBAL_OFFSET_TABLE_ ||
(caddr_t)p >= (caddr_t)&_DYNAMIC)
*p += (Elf_Addr)v;
} else if (ELF64_R_TYPE(r->r_info) == R_SPARC_JMP_SLOT) {
Elf64_Addr val = v + s->st_value + r->r_addend -
(Elf64_Addr)(p);
*p = val;
/*
* need instruction cache flush? - XXX
__asm __volatile("imb" : : : "memory");
*/
} else if (ELF64_R_TYPE(r->r_info) == R_SPARC_64) {
*p = v + s->st_value + r->r_addend;
} else {
_dl_printf("unknown bootstrap relocation\n");
_dl_exit(6);
}
}
#endif /* _SPARC64_ARCHDEP_H_ */
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