diff options
Diffstat (limited to 'REORG.TODO/sysdeps/sparc/sparc32/dl-irel.h')
-rw-r--r-- | REORG.TODO/sysdeps/sparc/sparc32/dl-irel.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sparc/sparc32/dl-irel.h b/REORG.TODO/sysdeps/sparc/sparc32/dl-irel.h new file mode 100644 index 0000000000..56c155e4d5 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/dl-irel.h @@ -0,0 +1,62 @@ +/* Machine-dependent ELF indirect relocation inline functions. + SPARC 32-bit version. + Copyright (C) 2010-2017 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 <dl-plt.h> +#include <ldsodefs.h> + +#define ELF_MACHINE_IRELA 1 + +static inline Elf32_Addr +__attribute ((always_inline)) +elf_ifunc_invoke (Elf32_Addr addr) +{ + return ((Elf32_Addr (*) (int)) (addr)) (GLRO(dl_hwcap)); +} + +static inline void +__attribute ((always_inline)) +elf_irela (const Elf32_Rela *reloc) +{ + unsigned int r_type = ELF32_R_TYPE (reloc->r_info); + + if (__glibc_likely (r_type == R_SPARC_IRELATIVE)) + { + Elf32_Addr *const reloc_addr = (void *) reloc->r_offset; + Elf32_Addr value = elf_ifunc_invoke(reloc->r_addend); + *reloc_addr = value; + } + else if (__glibc_likely (r_type == R_SPARC_JMP_IREL)) + { + Elf32_Addr *const reloc_addr = (void *) reloc->r_offset; + Elf32_Addr value = elf_ifunc_invoke(reloc->r_addend); + + sparc_fixup_plt (reloc, reloc_addr, value, 0, 1); + } + else if (r_type == R_SPARC_NONE) + ; + else + __libc_fatal ("unexpected reloc type in static binary"); +} + +#endif /* dl-irel.h */ |