1 /* Machine-dependent ELF dynamic relocation functions. PowerPC64 version.
2 Copyright (C) 1995-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, see <https://www.gnu.org/licenses/>. */
18
19 #include <string.h>
20 #include <unistd.h>
21 #include <ldsodefs.h>
22 #include <_itoa.h>
23 #include <dl-machine.h>
24
25 void
_dl_reloc_overflow(struct link_map * map,const char * name,Elf64_Addr * const reloc_addr,const Elf64_Sym * refsym)26 _dl_reloc_overflow (struct link_map *map,
27 const char *name,
28 Elf64_Addr *const reloc_addr,
29 const Elf64_Sym *refsym)
30 {
31 char buffer[1024];
32 char *t;
33 t = stpcpy (buffer, name);
34 /* Notice that _itoa_word() writes characters from the higher address to the
35 lower address, requiring the destination string to reserve all the
36 required size before the call. */
37 t = stpcpy (t, " reloc at 0x0000000000000000");
38 _itoa_word ((unsigned long) reloc_addr, t, 16, 0);
39 if (refsym)
40 {
41 const char *strtab;
42
43 strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
44 t = stpcpy (t, " for symbol `");
45 t = stpcpy (t, strtab + refsym->st_name);
46 t = stpcpy (t, "'");
47 }
48 t = stpcpy (t, " out of range");
49 _dl_signal_error (0, map->l_name, NULL, buffer);
50 }
51
52 #if _CALL_ELF == 2
53 void
_dl_error_localentry(struct link_map * map,const Elf64_Sym * refsym)54 _dl_error_localentry (struct link_map *map, const Elf64_Sym *refsym)
55 {
56 char buffer[1024];
57 char *t;
58 const char *strtab;
59
60 strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
61 t = stpcpy (buffer, "expected localentry:0 `");
62 t = stpcpy (t, strtab + refsym->st_name);
63 t = stpcpy (t, "'");
64 _dl_signal_error (0, map->l_name, NULL, buffer);
65 }
66 #endif
67