| elf_machdep.c (105469) | elf_machdep.c (109605) |
|---|---|
| 1/*- 2 * Copyright 1996-1998 John D. Polstra. 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 --- 8 unchanged lines hidden (view full) --- 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * | 1/*- 2 * Copyright 1996-1998 John D. Polstra. 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 --- 8 unchanged lines hidden (view full) --- 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * |
| 25 * $FreeBSD: head/sys/i386/i386/elf_machdep.c 105469 2002-10-19 19:16:03Z marcel $ | 25 * $FreeBSD: head/sys/i386/i386/elf_machdep.c 109605 2003-01-21 02:42:44Z jake $ |
| 26 */ 27 28#include <sys/param.h> 29#include <sys/kernel.h> 30#include <sys/systm.h> 31#include <sys/exec.h> 32#include <sys/imgact.h> 33#include <sys/linker.h> --- 47 unchanged lines hidden (view full) --- 81 &elf32_freebsd_sysvec 82 }; 83 84SYSINIT(elf32, SI_SUB_EXEC, SI_ORDER_ANY, 85 (sysinit_cfunc_t) elf32_insert_brand_entry, 86 &freebsd_brand_info); 87 88/* Process one elf relocation with addend. */ | 26 */ 27 28#include <sys/param.h> 29#include <sys/kernel.h> 30#include <sys/systm.h> 31#include <sys/exec.h> 32#include <sys/imgact.h> 33#include <sys/linker.h> --- 47 unchanged lines hidden (view full) --- 81 &elf32_freebsd_sysvec 82 }; 83 84SYSINIT(elf32, SI_SUB_EXEC, SI_ORDER_ANY, 85 (sysinit_cfunc_t) elf32_insert_brand_entry, 86 &freebsd_brand_info); 87 88/* Process one elf relocation with addend. */ |
| 89int 90elf_reloc(linker_file_t lf, const void *data, int type) | 89static int 90elf_reloc_internal(linker_file_t lf, const void *data, int type, int local) |
| 91{ 92 Elf_Addr relocbase = (Elf_Addr) lf->address; 93 Elf_Addr *where; 94 Elf_Addr addr; 95 Elf_Addr addend; 96 Elf_Word rtype, symidx; 97 const Elf_Rel *rel; 98 const Elf_Rela *rela; --- 12 unchanged lines hidden (view full) --- 111 addend = rela->r_addend; 112 rtype = ELF_R_TYPE(rela->r_info); 113 symidx = ELF_R_SYM(rela->r_info); 114 break; 115 default: 116 panic("unknown reloc type %d\n", type); 117 } 118 | 91{ 92 Elf_Addr relocbase = (Elf_Addr) lf->address; 93 Elf_Addr *where; 94 Elf_Addr addr; 95 Elf_Addr addend; 96 Elf_Word rtype, symidx; 97 const Elf_Rel *rel; 98 const Elf_Rela *rela; --- 12 unchanged lines hidden (view full) --- 111 addend = rela->r_addend; 112 rtype = ELF_R_TYPE(rela->r_info); 113 symidx = ELF_R_SYM(rela->r_info); 114 break; 115 default: 116 panic("unknown reloc type %d\n", type); 117 } 118 |
| 119 if (local) { 120 if (rtype == R_386_RELATIVE) { /* A + B */ 121 addr = relocbase + addend; 122 if (*where != addr) 123 *where = addr; 124 } 125 return (0); 126 } 127 |
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| 119 switch (rtype) { 120 121 case R_386_NONE: /* none */ 122 break; 123 124 case R_386_32: /* S + A */ 125 addr = elf_lookup(lf, symidx, 1); 126 if (addr == 0) --- 24 unchanged lines hidden (view full) --- 151 case R_386_GLOB_DAT: /* S */ 152 addr = elf_lookup(lf, symidx, 1); 153 if (addr == 0) 154 return -1; 155 if (*where != addr) 156 *where = addr; 157 break; 158 | 128 switch (rtype) { 129 130 case R_386_NONE: /* none */ 131 break; 132 133 case R_386_32: /* S + A */ 134 addr = elf_lookup(lf, symidx, 1); 135 if (addr == 0) --- 24 unchanged lines hidden (view full) --- 160 case R_386_GLOB_DAT: /* S */ 161 addr = elf_lookup(lf, symidx, 1); 162 if (addr == 0) 163 return -1; 164 if (*where != addr) 165 *where = addr; 166 break; 167 |
| 159 case R_386_RELATIVE: /* B + A */ 160 addr = relocbase + addend; 161 if (*where != addr) 162 *where = addr; | 168 case R_386_RELATIVE: |
| 163 break; 164 165 default: 166 printf("kldload: unexpected relocation type %d\n", 167 rtype); 168 return -1; 169 } 170 return(0); 171} 172 173int | 169 break; 170 171 default: 172 printf("kldload: unexpected relocation type %d\n", 173 rtype); 174 return -1; 175 } 176 return(0); 177} 178 179int |
| 180elf_reloc(linker_file_t lf, const void *data, int type) 181{ 182 183 return (elf_reloc_internal(lf, data, type, 0)); 184} 185 186int 187elf_reloc_local(linker_file_t lf, const void *data, int type) 188{ 189 190 return (elf_reloc_internal(lf, data, type, 1)); 191} 192 193int |
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| 174elf_cpu_load_file(linker_file_t lf __unused) 175{ 176 177 return (0); 178} 179 180int 181elf_cpu_unload_file(linker_file_t lf __unused) 182{ 183 184 return (0); 185} | 194elf_cpu_load_file(linker_file_t lf __unused) 195{ 196 197 return (0); 198} 199 200int 201elf_cpu_unload_file(linker_file_t lf __unused) 202{ 203 204 return (0); 205} |