1 /* Machine-dependent ELF indirect relocation inline functions.
3 Copyright (C) 2009-2018 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
26 #include <dl-machine.h>
28 #define ELF_MACHINE_IRELA 1
30 static inline Elf64_Addr
31 __attribute ((always_inline
))
32 elf_ifunc_invoke (Elf64_Addr addr
)
34 return ((Elf64_Addr (*) (unsigned long int)) (addr
)) (GLRO(dl_hwcap
));
38 __attribute ((always_inline
))
39 elf_irela (const Elf64_Rela
*reloc
)
41 unsigned int r_type
= ELF64_R_TYPE (reloc
->r_info
);
43 if (__glibc_likely (r_type
== R_PPC64_IRELATIVE
))
45 Elf64_Addr
*const reloc_addr
= (void *) reloc
->r_offset
;
46 Elf64_Addr value
= elf_ifunc_invoke(reloc
->r_addend
);
49 else if (__glibc_likely (r_type
== R_PPC64_JMP_IREL
))
51 Elf64_Addr
*const reloc_addr
= (void *) reloc
->r_offset
;
52 Elf64_Addr value
= elf_ifunc_invoke(reloc
->r_addend
);
54 *(Elf64_FuncDesc
*) reloc_addr
= *(Elf64_FuncDesc
*) value
;
60 __libc_fatal ("unexpected reloc type in static binary");
63 #endif /* dl-irel.h */