diff options
Diffstat (limited to 'libexec')
| -rw-r--r-- | libexec/ld.so/sparc64/archdep.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/libexec/ld.so/sparc64/archdep.h b/libexec/ld.so/sparc64/archdep.h new file mode 100644 index 00000000000..5013f14413c --- /dev/null +++ b/libexec/ld.so/sparc64/archdep.h @@ -0,0 +1,151 @@ +/* $OpenBSD: archdep.h,v 1.1 2001/09/21 14:57:43 jason 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) +{ +#error "haven't fixed for sparc64 yet..." + extern Elf_Addr _GLOBAL_OFFSET_TABLE_[]; + + if (ELF64_R_TYPE(r->r_info) == RELOC_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) == RELOC_JMP_SLOT) { + Elf64_Addr val = v + s->st_value + r->r_addend - + (Elf64_Addr)(p); + *p = val; + __asm __volatile("imb" : : : "memory"); + } else if (ELF64_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); + } +} + +#endif /* _SPARC64_ARCHDEP_H_ */ |