diff options
Diffstat (limited to 'arch/mips/vdso/genvdso.h')
| -rw-r--r-- | arch/mips/vdso/genvdso.h | 57 |
1 files changed, 1 insertions, 56 deletions
diff --git a/arch/mips/vdso/genvdso.h b/arch/mips/vdso/genvdso.h index 94334727059a..9bfb874038b0 100644 --- a/arch/mips/vdso/genvdso.h +++ b/arch/mips/vdso/genvdso.h @@ -1,11 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2015 Imagination Technologies * Author: Alex Smith <alex.smith@imgtec.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ static inline bool FUNC(patch_vdso)(const char *path, void *vdso) @@ -15,8 +11,6 @@ static inline bool FUNC(patch_vdso)(const char *path, void *vdso) ELF(Shdr) *shdr; char *shstrtab, *name; uint16_t sh_count, sh_entsize, i; - unsigned int local_gotno, symtabno, gotsym; - ELF(Dyn) *dyn = NULL; shdrs = vdso + FUNC(swap_uint)(ehdr->e_shoff); sh_count = swap_uint16(ehdr->e_shnum); @@ -41,9 +35,6 @@ static inline bool FUNC(patch_vdso)(const char *path, void *vdso) "%s: '%s' contains relocation sections\n", program_name, path); return false; - case SHT_DYNAMIC: - dyn = vdso + FUNC(swap_uint)(shdr->sh_offset); - break; } /* Check for existing sections. */ @@ -61,52 +52,6 @@ static inline bool FUNC(patch_vdso)(const char *path, void *vdso) } } - /* - * Ensure the GOT has no entries other than the standard 2, for the same - * reason we check that there's no relocation sections above. - * The standard two entries are: - * - Lazy resolver - * - Module pointer - */ - if (dyn) { - local_gotno = symtabno = gotsym = 0; - - while (FUNC(swap_uint)(dyn->d_tag) != DT_NULL) { - switch (FUNC(swap_uint)(dyn->d_tag)) { - /* - * This member holds the number of local GOT entries. - */ - case DT_MIPS_LOCAL_GOTNO: - local_gotno = FUNC(swap_uint)(dyn->d_un.d_val); - break; - /* - * This member holds the number of entries in the - * .dynsym section. - */ - case DT_MIPS_SYMTABNO: - symtabno = FUNC(swap_uint)(dyn->d_un.d_val); - break; - /* - * This member holds the index of the first dynamic - * symbol table entry that corresponds to an entry in - * the GOT. - */ - case DT_MIPS_GOTSYM: - gotsym = FUNC(swap_uint)(dyn->d_un.d_val); - break; - } - - dyn++; - } - - if (local_gotno > 2 || symtabno - gotsym) { - fprintf(stderr, - "%s: '%s' contains unexpected GOT entries\n", - program_name, path); - return false; - } - } - return true; } |