2 * Copyright 1996-1998 John D. Polstra.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.
29 * Support for printing debugging messages.
38 static const char rel_header[] =
39 " symbol name r_info r_offset st_value st_size address value\n"
40 " ------------------------------------------------------------------------------\n";
41 static const char rel_format[] = " %-25s %6lx %08lx %08lx %7d %10p %08lx\n";
46 debug_printf(const char *format, ...)
53 vfprintf(stderr, format, ap);
61 dump_relocations (Obj_Entry *obj0)
65 for (obj = obj0; obj != NULL; obj = obj->next) {
66 dump_obj_relocations(obj);
71 dump_obj_relocations (Obj_Entry *obj)
74 printf("Object \"%s\", relocbase %p\n", obj->path, obj->relocbase);
77 printf("Non-PLT Relocations: %ld\n",
78 (obj->relsize / sizeof(Elf_Rel)));
79 dump_Elf_Rel(obj, obj->rel, obj->relsize);
83 printf("Non-PLT Relocations with Addend: %ld\n",
84 (obj->relasize / sizeof(Elf_Rela)));
85 dump_Elf_Rela(obj, obj->rela, obj->relasize);
88 if (obj->pltrelsize) {
89 printf("PLT Relocations: %ld\n",
90 (obj->pltrelsize / sizeof(Elf_Rel)));
91 dump_Elf_Rel(obj, obj->pltrel, obj->pltrelsize);
94 if (obj->pltrelasize) {
95 printf("PLT Relocations with Addend: %ld\n",
96 (obj->pltrelasize / sizeof(Elf_Rela)));
97 dump_Elf_Rela(obj, obj->pltrela, obj->pltrelasize);
102 dump_Elf_Rel (Obj_Entry *obj, const Elf_Rel *rel0, u_long relsize)
105 const Elf_Rel *rellim;
109 printf("%s", rel_header);
110 rellim = (const Elf_Rel *)((const char *)rel0 + relsize);
111 for (rel = rel0; rel < rellim; rel++) {
112 dstaddr = (Elf_Addr *)(obj->relocbase + rel->r_offset);
113 sym = obj->symtab + ELF_R_SYM(rel->r_info);
115 obj->strtab + sym->st_name,
116 (u_long)rel->r_info, (u_long)rel->r_offset,
117 (u_long)sym->st_value, (int)sym->st_size,
118 dstaddr, (u_long)*dstaddr);
124 dump_Elf_Rela (Obj_Entry *obj, const Elf_Rela *rela0, u_long relasize)
126 const Elf_Rela *rela;
127 const Elf_Rela *relalim;
131 printf("%s", rel_header);
132 relalim = (const Elf_Rela *)((const char *)rela0 + relasize);
133 for (rela = rela0; rela < relalim; rela++) {
134 dstaddr = (Elf_Addr *)(obj->relocbase + rela->r_offset);
135 sym = obj->symtab + ELF_R_SYM(rela->r_info);
137 obj->strtab + sym->st_name,
138 (u_long)rela->r_info, (u_long)rela->r_offset,
139 (u_long)sym->st_value, (int)sym->st_size,
140 dstaddr, (u_long)*dstaddr);