diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/powerpc64/dl-irel.h')
-rw-r--r-- | REORG.TODO/sysdeps/powerpc/powerpc64/dl-irel.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc64/dl-irel.h b/REORG.TODO/sysdeps/powerpc/powerpc64/dl-irel.h new file mode 100644 index 0000000000..d8f5988bc9 --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/powerpc64/dl-irel.h @@ -0,0 +1,63 @@ +/* Machine-dependent ELF indirect relocation inline functions. + PowerPC64 version. + Copyright (C) 2009-2017 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 */ |