| /* Machine-dependent ELF indirect relocation inline functions. |
| PowerPC64 version. |
| Copyright (C) 2009-2018 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> |
| #include <dl-machine.h> |
| |
| #define ELF_MACHINE_IRELA 1 |
| |
| static inline Elf64_Addr |
| __attribute ((always_inline)) |
| elf_ifunc_invoke (Elf64_Addr addr) |
| { |
| return ((Elf64_Addr (*) (unsigned long int)) (addr)) (GLRO(dl_hwcap)); |
| } |
| |
| static inline void |
| __attribute ((always_inline)) |
| elf_irela (const Elf64_Rela *reloc) |
| { |
| unsigned int r_type = ELF64_R_TYPE (reloc->r_info); |
| |
| if (__glibc_likely (r_type == R_PPC64_IRELATIVE)) |
| { |
| Elf64_Addr *const reloc_addr = (void *) reloc->r_offset; |
| Elf64_Addr value = elf_ifunc_invoke(reloc->r_addend); |
| *reloc_addr = value; |
| } |
| else if (__glibc_likely (r_type == R_PPC64_JMP_IREL)) |
| { |
| Elf64_Addr *const reloc_addr = (void *) reloc->r_offset; |
| Elf64_Addr value = elf_ifunc_invoke(reloc->r_addend); |
| #if _CALL_ELF != 2 |
| *(Elf64_FuncDesc *) reloc_addr = *(Elf64_FuncDesc *) value; |
| #else |
| *reloc_addr = value; |
| #endif |
| } |
| else |
| __libc_fatal ("unexpected reloc type in static binary"); |
| } |
| |
| #endif /* dl-irel.h */ |