| /* Machine-dependent ELF indirect relocation inline functions. |
| Version for S/390 32 and 64 bit. |
| Copyright (C) 2012-2018 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/>. */ |
| |
| #ifndef _DL_IREL_H |
| #define _DL_IREL_H |
| |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <ldsodefs.h> |
| |
| #define ELF_MACHINE_IRELA 1 |
| |
| static inline ElfW(Addr) |
| __attribute ((always_inline)) |
| elf_ifunc_invoke (ElfW(Addr) addr) |
| { |
| return ((ElfW(Addr) (*) (unsigned long int)) (addr)) (GLRO(dl_hwcap)); |
| } |
| |
| static inline void |
| __attribute ((always_inline)) |
| elf_irela (const ElfW(Rela) *reloc) |
| { |
| ElfW(Addr) *const reloc_addr = (void *) reloc->r_offset; |
| const unsigned long int r_type = ELFW(R_TYPE) (reloc->r_info); |
| |
| if (__glibc_likely (r_type == R_390_IRELATIVE)) |
| { |
| ElfW(Addr) value = elf_ifunc_invoke(reloc->r_addend); |
| *reloc_addr = value; |
| } |
| else |
| __libc_fatal ("unexpected reloc type in static binary"); |
| } |
| |
| #endif /* dl-irel.h */ |