diff options
| author | Ulrich Drepper <[email protected]> | 2005-07-26 05:00:05 +0000 |
|---|---|---|
| committer | Ulrich Drepper <[email protected]> | 2005-07-26 05:00:05 +0000 |
| commit | b08d5a8fb42f4586d756068065186b5af7e48dad (patch) | |
| tree | 9f05f86be7877ed461b4dc05f53b29ea4fc0d2a1 /libelf/gelf_getsyminfo.c | |
Adjust for monotone.
Diffstat (limited to 'libelf/gelf_getsyminfo.c')
| -rw-r--r-- | libelf/gelf_getsyminfo.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libelf/gelf_getsyminfo.c b/libelf/gelf_getsyminfo.c new file mode 100644 index 00000000..70cfdcd3 --- /dev/null +++ b/libelf/gelf_getsyminfo.c @@ -0,0 +1,68 @@ +/* Get additional symbol information from symbol table at the given index. + Copyright (C) 2000, 2001, 2002 Red Hat, Inc. + Written by Ulrich Drepper <[email protected]>, 2000. + + 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, version 2. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <assert.h> +#include <gelf.h> +#include <string.h> + +#include "libelfP.h" + + +GElf_Syminfo * +gelf_getsyminfo (data, ndx, dst) + Elf_Data *data; + int ndx; + GElf_Syminfo *dst; +{ + GElf_Syminfo *result = NULL; + + if (data == NULL) + return NULL; + + if (unlikely (data->d_type != ELF_T_SYMINFO)) + { + __libelf_seterrno (ELF_E_INVALID_HANDLE); + return NULL; + } + + /* The types for 32 and 64 bit are the same. Lucky us. */ + assert (sizeof (GElf_Syminfo) == sizeof (Elf32_Syminfo)); + assert (sizeof (GElf_Syminfo) == sizeof (Elf64_Syminfo)); + + rwlock_rdlock (((Elf_Data_Scn *) data)->s->elf->lock); + + /* The data is already in the correct form. Just make sure the + index is OK. */ + if (unlikely ((ndx + 1) * sizeof (GElf_Syminfo) > data->d_size)) + { + __libelf_seterrno (ELF_E_INVALID_INDEX); + goto out; + } + + *dst = ((GElf_Syminfo *) data->d_buf)[ndx]; + + result = dst; + + out: + rwlock_unlock (((Elf_Data_Scn *) data)->s->elf->lock); + + return result; +} |
