projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 311927f1 DM |
1 | /* Machine-dependent ELF indirect relocation inline functions. |
| 2 | SPARC 32-bit version. | |
| d4697bc9 | 3 | Copyright (C) 2010-2014 Free Software Foundation, Inc. |
| 311927f1 DM |
4 | This file is part of the GNU C Library. |
| 5 | ||
| 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. | |
| 10 | ||
| 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. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 311927f1 DM |
19 | |
| 20 | #ifndef _DL_IREL_H | |
| 21 | #define _DL_IREL_H | |
| 22 | ||
| 23 | #include <stdio.h> | |
| 24 | #include <unistd.h> | |
| 25 | #include <dl-plt.h> | |
| 9b849836 | 26 | #include <ldsodefs.h> |
| 311927f1 DM |
27 | |
| 28 | #define ELF_MACHINE_IRELA 1 | |
| 29 | ||
| 42675c6f DM |
30 | static inline Elf32_Addr |
| 31 | __attribute ((always_inline)) | |
| 32 | elf_ifunc_invoke (Elf32_Addr addr) | |
| 33 | { | |
| 34 | return ((Elf32_Addr (*) (int)) (addr)) (GLRO(dl_hwcap)); | |
| 35 | } | |
| 36 | ||
| 311927f1 DM |
37 | static inline void |
| 38 | __attribute ((always_inline)) | |
| 39 | elf_irela (const Elf32_Rela *reloc) | |
| 40 | { | |
| 41 | unsigned int r_type = ELF32_R_TYPE (reloc->r_info); | |
| 42 | ||
| 43 | if (__builtin_expect (r_type == R_SPARC_IRELATIVE, 1)) | |
| 44 | { | |
| 45 | Elf32_Addr *const reloc_addr = (void *) reloc->r_offset; | |
| 42675c6f | 46 | Elf32_Addr value = elf_ifunc_invoke(reloc->r_addend); |
| 311927f1 DM |
47 | *reloc_addr = value; |
| 48 | } | |
| 49 | else if (__builtin_expect (r_type == R_SPARC_JMP_IREL, 1)) | |
| 50 | { | |
| 51 | Elf32_Addr *const reloc_addr = (void *) reloc->r_offset; | |
| 42675c6f | 52 | Elf32_Addr value = elf_ifunc_invoke(reloc->r_addend); |
| 311927f1 DM |
53 | |
| 54 | sparc_fixup_plt (reloc, reloc_addr, value, 0, 1); | |
| 55 | } | |
| 56 | else if (r_type == R_SPARC_NONE) | |
| 57 | ; | |
| 58 | else | |
| 59 | __libc_fatal ("unexpected reloc type in static binary"); | |
| 60 | } | |
| 61 | ||
| 62 | #endif /* dl-irel.h */ |