Return to elf_reloc.c CVS log

Up to [local] / prex-old / usr / arch / i386

Annotation of prex-old/usr/arch/i386/elf_reloc.c, Revision 1.1.1.1

1.1       nbrk        1: /*-
                      2:  * Copyright (c) 2006, Kohsuke Ohtani
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. Neither the name of the author nor the names of any co-contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: #include <sys/elf.h>
                     31:
                     32: int
                     33: relocate_rel(Elf32_Rel *rel, Elf32_Addr sym_val, char *target_sect)
                     34: {
                     35:        Elf32_Addr *where;
                     36:
                     37:        where = (Elf32_Addr *)(target_sect + rel->r_offset);
                     38:
                     39:        /* dbg("R_TYPE=%x\n", ELF32_R_TYPE(rel->r_info)); */
                     40:        switch (ELF32_R_TYPE(rel->r_info)) {
                     41:        case R_386_NONE:
                     42:                break;
                     43:        case R_386_32:
                     44:                *where += (Elf32_Addr)sym_val;
                     45:                /* dbg("R_386_32: %x -> %x\n", where, *where); */
                     46:                break;
                     47:        case R_386_PC32:
                     48:                *where += sym_val - (Elf32_Addr)where;
                     49:                /* dbg("R_386_PC32: %x -> %x\n", where, *where); */
                     50:                break;
                     51:        default:
                     52:                return -1;
                     53:        }
                     54:        return 0;
                     55: }
                     56:
                     57: int
                     58: relocate_rela(Elf32_Rela *rela, Elf32_Addr sym_val, char *target_sec)
                     59: {
                     60:        return -1;
                     61: }