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Diffstat (limited to 'sysdeps/ia64/dl-lookupcfg.h')
| -rw-r--r-- | sysdeps/ia64/dl-lookupcfg.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sysdeps/ia64/dl-lookupcfg.h b/sysdeps/ia64/dl-lookupcfg.h new file mode 100644 index 0000000000..2b0cfe7472 --- /dev/null +++ b/sysdeps/ia64/dl-lookupcfg.h @@ -0,0 +1,75 @@ +/* Configuration of lookup functions. + Copyright (C) 2000-2014 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_DT_FUNCTION_ADDRESS(map, start, attr, addr) \ + attr volatile unsigned long int fptr[2]; \ + fptr[0] = (unsigned long int) (start); \ + fptr[1] = (map)->l_info[DT_PLTGOT]->d_un.d_ptr; \ + addr = (ElfW(Addr)) fptr; \ + +#define DL_CALL_DT_INIT(map, start, argc, argv, env) \ +{ \ + ElfW(Addr) addr; \ + DL_DT_FUNCTION_ADDRESS(map, start, , addr) \ + init_t init = (init_t) addr; \ + init (argc, argv, env); \ +} + +#define DL_CALL_DT_FINI(map, start) \ +{ \ + ElfW(Addr) addr; \ + DL_DT_FUNCTION_ADDRESS(map, start, , addr) \ + fini_t fini = (fini_t) addr; \ + fini (); \ +} + +/* 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)) |