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/* 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, see
<http://www.gnu.org/licenses/>. */
#define ELF_FUNCTION_PTR_IS_SPECIAL
#define DL_UNMAP_IS_SPECIAL
#include <dl-fptr.h>
/* 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))
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