diff options
Diffstat (limited to 'newlib/libc/sys/linux/dl/do-rel.h')
| -rw-r--r-- | newlib/libc/sys/linux/dl/do-rel.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/newlib/libc/sys/linux/dl/do-rel.h b/newlib/libc/sys/linux/dl/do-rel.h deleted file mode 100644 index 03b9e807b..000000000 --- a/newlib/libc/sys/linux/dl/do-rel.h +++ /dev/null @@ -1,120 +0,0 @@ -/* Do relocations for ELF dynamic linking. - Copyright (C) 1995,96,97,98,99,2000,2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* This file may be included twice, to define both - `elf_dynamic_do_rel' and `elf_dynamic_do_rela'. */ - -#include <machine/weakalias.h> - -#ifdef DO_RELA -# define elf_dynamic_do_rel elf_dynamic_do_rela -# define RELCOUNT_IDX VERSYMIDX (DT_RELACOUNT) -# define Rel Rela -# define elf_machine_rel elf_machine_rela -# define elf_machine_rel_relative elf_machine_rela_relative -#else -# define RELCOUNT_IDX VERSYMIDX (DT_RELCOUNT) -#endif - -#ifndef VERSYMIDX -# define VERSYMIDX(sym) (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGIDX (sym)) -#endif - -/* Perform the relocations in MAP on the running program image as specified - by RELTAG, SZTAG. If LAZY is nonzero, this is the first pass on PLT - relocations; they should be set up to call _dl_runtime_resolve, rather - than fully resolved now. */ - -static inline void -elf_dynamic_do_rel (struct link_map *map, - ElfW(Addr) reladdr, ElfW(Addr) relsize, - int lazy, - struct r_scope_elem *scope[]) -{ - const ElfW(Rel) *r = (const void *) reladdr; - const ElfW(Rel) *end = (const void *) (reladdr + relsize); - ElfW(Addr) l_addr = map->l_addr; - -#ifndef RTLD_BOOTSTRAP - /* We never bind lazily during ld.so bootstrap. Unfortunately gcc is - not clever enough to see through all the function calls to realize - that. */ - if (lazy) - { - /* Doing lazy PLT relocations; they need very little info. */ - for (; r < end; ++r) - elf_machine_lazy_rel (map, l_addr, r); - } - else -#endif - { - const ElfW(Sym) *const symtab = - (const void *) D_PTR (map, l_info[DT_SYMTAB]); - ElfW(Word) nrelative = (map->l_info[RELCOUNT_IDX] == NULL - ? 0 : map->l_info[RELCOUNT_IDX]->d_un.d_val); - const ElfW(Rel) *relative = r; - r = MIN (r + nrelative, end); - -#ifndef RTLD_BOOTSTRAP - /* This is defined in rtld.c, but nowhere in the static libc.a; make - the reference weak so static programs can still link. This - declaration cannot be done when compiling rtld.c (i.e. #ifdef - RTLD_BOOTSTRAP) because rtld.c contains the common defn for - _dl_rtld_map, which is incompatible with a weak decl in the same - file. */ - #pragma weak _dl_rtld_map - if (map != &_dl_rtld_map) /* Already done in rtld itself. */ -# ifndef DO_RELA - /* Rela platforms get the offset from r_addend and this must - be copied in the relocation address. Therefore we can skip - the relative relocations only if this is for rel - relocations. */ - if (l_addr != 0) -# endif -#endif - for (; relative < r; ++relative) - elf_machine_rel_relative (l_addr, relative, - (void *) (l_addr + relative->r_offset)); - - if (map->l_info[VERSYMIDX (DT_VERSYM)]) - { - const ElfW(Half) *const version = - (const void *) D_PTR (map, l_info[VERSYMIDX (DT_VERSYM)]); - - for (; r < end; ++r) - { - ElfW(Half) ndx = version[ELFW(R_SYM) (r->r_info)]; - elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)], - &map->l_versions[ndx], - (void *) (l_addr + r->r_offset), - scope); - } - } - else - for (; r < end; ++r) - elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)], NULL, - (void *) (l_addr + r->r_offset), scope); - } -} - -#undef elf_dynamic_do_rel -#undef Rel -#undef elf_machine_rel -#undef elf_machine_rel_relative -#undef RELCOUNT_IDX |