diff options
Diffstat (limited to 'mdk-stage1/insmod-modutils/include/obj.h')
| -rw-r--r-- | mdk-stage1/insmod-modutils/include/obj.h | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/mdk-stage1/insmod-modutils/include/obj.h b/mdk-stage1/insmod-modutils/include/obj.h deleted file mode 100644 index b140c65c3..000000000 --- a/mdk-stage1/insmod-modutils/include/obj.h +++ /dev/null @@ -1,275 +0,0 @@ -/* Elf object file loading and relocation routines. - Copyright 1996, 1997 Linux International. - - Contributed by Richard Henderson <rth@tamu.edu> - obj_free() added by Björn Ekwall <bj0rn@blox.se> March 1999 - - This file is part of the Linux modutils. - - This program is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by the - Free Software Foundation; either version 2 of the License, or (at your - option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - - -#ifndef MODUTILS_OBJ_H -#define MODUTILS_OBJ_H 1 - -#ident "$Id$" - -/* The relocatable object is manipulated using elfin types. */ - -#include <stdio.h> -#include <elf.h> -#include ELF_MACHINE_H - -#ifndef ElfW -# if ELFCLASSM == ELFCLASS32 -# define ElfW(x) Elf32_ ## x -# define ELFW(x) ELF32_ ## x -# else -# define ElfW(x) Elf64_ ## x -# define ELFW(x) ELF64_ ## x -# endif -#endif - -#if defined(COMMON_3264) && defined(ONLY_32) -# define ObjW(x) obj32_ ## x -#else -# if defined(COMMON_3264) && defined(ONLY_64) -# define ObjW(x) obj64_ ## x -# else -# define ObjW(x) obj_ ## x -# endif -#endif - -/* For some reason this is missing from lib5. */ -#ifndef ELF32_ST_INFO -# define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) -#endif - -#ifndef ELF64_ST_INFO -# define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) -#endif - -struct obj_string_patch_struct; -struct obj_symbol_patch_struct; - -struct obj_section -{ - ElfW(Shdr) header; - const char *name; - char *contents; - struct obj_section *load_next; - int idx; -}; - -struct obj_symbol -{ - struct obj_symbol *next; /* hash table link */ - const char *name; - unsigned long value; - unsigned long size; - int secidx; /* the defining section index/module */ - int info; - int ksymidx; /* for export to the kernel symtab */ - int r_type; /* relocation type */ -}; - -/* Hardcode the hash table size. We shouldn't be needing so many - symbols that we begin to degrade performance, and we get a big win - by giving the compiler a constant divisor. */ - -#define HASH_BUCKETS 521 - -struct obj_file -{ - ElfW(Ehdr) header; - ElfW(Addr) baseaddr; - struct obj_section **sections; - struct obj_section *load_order; - struct obj_section **load_order_search_start; - struct obj_string_patch_struct *string_patches; - struct obj_symbol_patch_struct *symbol_patches; - int (*symbol_cmp)(const char *, const char *); - unsigned long (*symbol_hash)(const char *); - unsigned long local_symtab_size; - struct obj_symbol **local_symtab; - struct obj_symbol *symtab[HASH_BUCKETS]; - const char *filename; - char *persist; -}; - -enum obj_reloc -{ - obj_reloc_ok, - obj_reloc_overflow, - obj_reloc_dangerous, - obj_reloc_unhandled, - obj_reloc_constant_gp -}; - -struct obj_string_patch_struct -{ - struct obj_string_patch_struct *next; - int reloc_secidx; - ElfW(Addr) reloc_offset; - ElfW(Addr) string_offset; -}; - -struct obj_symbol_patch_struct -{ - struct obj_symbol_patch_struct *next; - int reloc_secidx; - ElfW(Addr) reloc_offset; - struct obj_symbol *sym; -}; - - -/* Generic object manipulation routines. */ - -#define obj_elf_hash ObjW(elf_hash) -#define obj_elf_hash_n ObjW(elf_hash_n) -#define obj_add_symbol ObjW(add_symbol) -#define obj_find_symbol ObjW(find_symbol) -#define obj_symbol_final_value ObjW(symbol_final_value) -#define obj_set_symbol_compare ObjW(set_symbol_compare) -#define obj_find_section ObjW(find_section) -#define obj_insert_section_load_order ObjW(insert_section_load_order) -#define obj_create_alloced_section ObjW(create_alloced_section) -#define obj_create_alloced_section_first \ - ObjW(create_alloced_section_first) -#define obj_extend_section ObjW(extend_section) -#define obj_string_patch ObjW(string_patch) -#define obj_symbol_patch ObjW(symbol_patch) -#define obj_check_undefineds ObjW(check_undefineds) -#define obj_clear_undefineds ObjW(clear_undefineds) -#define obj_allocate_commons ObjW(allocate_commons) -#define obj_load_size ObjW(load_size) -#define obj_relocate ObjW(relocate) -#define obj_load ObjW(load) -#define obj_free ObjW(free) -#define obj_create_image ObjW(create_image) -#define obj_addr_to_native_ptr ObjW(addr_to_native_ptr) -#define obj_native_ptr_to_addr ObjW(native_ptr_to_addr) -#define arch_new_file ObjW(arch_new_file) -#define arch_new_section ObjW(arch_new_section) -#define arch_new_symbol ObjW(arch_new_symbol) -#define arch_apply_relocation ObjW(arch_apply_relocation) -#define arch_create_got ObjW(arch_create_got) -#define arch_init_module ObjW(arch_init_module) -#define arch_load_proc_section ObjW(arch_load_proc_section) -#define arch_finalize_section_address ObjW(arch_finalize_section_address) -#define arch_archdata ObjW(arch_archdata) - -unsigned long obj_elf_hash (const char *); - -unsigned long obj_elf_hash_n (const char *, unsigned long len); - -struct obj_symbol *obj_add_symbol (struct obj_file *f, const char *name, - unsigned long symidx, int info, int secidx, - ElfW(Addr) value, unsigned long size); - -struct obj_symbol *obj_find_symbol (struct obj_file *f, - const char *name); - -ElfW(Addr) obj_symbol_final_value (struct obj_file *f, - struct obj_symbol *sym); - -void obj_set_symbol_compare (struct obj_file *f, - int (*cmp)(const char *, const char *), - unsigned long (*hash)(const char *)); - -struct obj_section *obj_find_section (struct obj_file *f, - const char *name); - -void obj_insert_section_load_order (struct obj_file *f, - struct obj_section *sec); - -struct obj_section *obj_create_alloced_section (struct obj_file *f, - const char *name, - unsigned long align, - unsigned long size); - -struct obj_section *obj_create_alloced_section_first (struct obj_file *f, - const char *name, - unsigned long align, - unsigned long size); - -void *obj_extend_section (struct obj_section *sec, unsigned long more); - -int obj_string_patch (struct obj_file *f, int secidx, ElfW(Addr) offset, - const char *string); - -int obj_symbol_patch (struct obj_file *f, int secidx, ElfW(Addr) offset, - struct obj_symbol *sym); - -int obj_check_undefineds (struct obj_file *f, int quiet); - -void obj_clear_undefineds (struct obj_file *f); - -void obj_allocate_commons (struct obj_file *f); - -unsigned long obj_load_size (struct obj_file *f); - -int obj_relocate (struct obj_file *f, ElfW(Addr) base); - -struct obj_file *obj_load (int f, Elf32_Half e_type, const char *filename); - -void obj_free (struct obj_file *f); - -int obj_create_image (struct obj_file *f, char *image); - -int obj_kallsyms (struct obj_file *fin, struct obj_file **fout); - -/* Architecture specific manipulation routines. */ - -struct obj_file *arch_new_file (void); - -struct obj_section *arch_new_section (void); - -struct obj_symbol *arch_new_symbol (void); - -enum obj_reloc arch_apply_relocation (struct obj_file *f, - struct obj_section *targsec, - struct obj_section *symsec, - struct obj_symbol *sym, - ElfW(RelM) *rel, ElfW(Addr) value); - -int arch_create_got (struct obj_file *f); - -struct module; -int arch_init_module (struct obj_file *f, struct module *); - -int arch_load_proc_section (struct obj_section *sec, int fp); - -int arch_finalize_section_address (struct obj_file *f, ElfW(Addr) base); - -int arch_archdata (struct obj_file *fin, struct obj_section *sec); - -#define ARCHDATA_SEC_NAME "__archdata" - -/* Pointers in objects can be 32 or 64 bit */ -union obj_ptr_4 { - Elf32_Word addr; - void *ptr; -}; -union obj_ptr_8 { - Elf64_Xword addr; - void *ptr; -}; - -void *obj_addr_to_native_ptr(ElfW(Addr)); - -ElfW(Addr) obj_native_ptr_to_addr(void *); - -#endif /* obj.h */ |