/* Configuration of lookup functions. Copyright (C) 2000, 2001, 2003, 2004 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. */ #define ELF_FUNCTION_PTR_IS_SPECIAL #define DL_UNMAP_IS_SPECIAL #include /* We do not support copy relocations for IA-64. */ #define DL_NO_COPY_RELOCS /* Forward declaration. */ struct link_map; extern void *_dl_symbol_address (struct link_map *map, const Elf64_Sym *ref); #define DL_SYMBOL_ADDRESS(map, ref) _dl_symbol_address(map, ref) extern Elf64_Addr _dl_lookup_address (const void *address); #define DL_LOOKUP_ADDRESS(addr) _dl_lookup_address (addr) extern void _dl_unmap (struct link_map *map); #define DL_UNMAP(map) _dl_unmap (map) #define DL_AUTO_FUNCTION_ADDRESS(map, addr) \ ({ \ unsigned long int fptr[2]; \ fptr[0] = (unsigned long int) (addr); \ fptr[1] = (map)->l_info[DT_PLTGOT]->d_un.d_ptr; \ (Elf64_Addr) fptr; \ }) #define DL_STATIC_FUNCTION_ADDRESS(map, addr) \ ({ \ static unsigned long int fptr[2]; \ fptr[0] = (unsigned long int) (addr); \ fptr[1] = (map)->l_info[DT_PLTGOT]->d_un.d_ptr; \ (Elf64_Addr) fptr; \ }) #define DL_DT_INIT_ADDRESS(map, addr) DL_AUTO_FUNCTION_ADDRESS (map, addr) #define DL_DT_FINI_ADDRESS(map, addr) DL_AUTO_FUNCTION_ADDRESS (map, addr) /* The type of the return value of fixup/profile_fixup. */ #define DL_FIXUP_VALUE_TYPE struct fdesc /* Construct a value of type DL_FIXUP_VALUE_TYPE from a code address and a link map. */ #define DL_FIXUP_MAKE_VALUE(map, addr) \ ((struct fdesc) { (addr), (map)->l_info[DT_PLTGOT]->d_un.d_ptr }) /* Extract the code address from a value of type DL_FIXUP_MAKE_VALUE. */ #define DL_FIXUP_VALUE_CODE_ADDR(value) (value).ip #define DL_FIXUP_VALUE_ADDR(value) ((uintptr_t) &(value)) #define DL_FIXUP_ADDR_VALUE(addr) (*(struct fdesc *) (addr))