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GELF_GETVERSYM
Section: Libelf Programmer's Manual (3) Updated: 202-0-27 Index
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NAME
gelf_getversym, gelf_getverdef, gelf_getverdaux, gelf_getverneed, gelf_getvernaux - retrieve GNU symbol versioning entries
SYNOPSIS
#include <gelf.h>
GElf_Versym *gelf_getversym (Elf_Data *data, int ndx, GElf_Versym *dst);
GElf_Verdef *gelf_getverdef (Elf_Data *data, int offset, GElf_Verdef *dst);
GElf_Verdaux *gelf_getverdaux(Elf_Data *data, int offset, GElf_Verdaux *dst);
GElf_Verneed *gelf_getverneed(Elf_Data *data, int offset, GElf_Verneed *dst);
GElf_Vernaux *gelf_getvernaux(Elf_Data *data, int offset, GElf_Vernaux *dst);
DESCRIPTION
These functions provide class-independent access to GNU ELF symbol
version information. The requested entry is retrieved from
data
and stored in the caller-supplied
dst.
- gelf_getversym()
-
Retrieves the symbol version index at index
ndx
from the
SHT_GNU_versym
section associated with
data.
- gelf_getverdef()
-
Retrieves the version definition entry at section offset
offset
from the
SHT_GNU_verdef
section associated with
data.
- gelf_getverdaux()
-
Retrieves the version definition auxiliary entry at section offset
offset
from the
SHT_GNU_verdef
section associated with
data.
- gelf_getverneed()
-
Retrieves the version needed entry at section offset
offset
from the
SHT_GNU_verneed
section associated with
data.
- gelf_getvernaux()
-
Retrieves the version needed auxiliary entry at section offset
offset
from the
SHT_GNU_verneed
section associated with
data.
PARAMETERS
- data
-
Pointer to an
Elf_Data
corresponding to the appropriate GNU versioning section.
- ndx
-
(For
gelf_getversym()
only.)
Zero-based index of the entry within
data.
- offset
-
(For
gelf_getverdef(),
gelf_getverdaux(),
gelf_getverneed(),
and
gelf_getvernaux().)
Section-relative byte offset of the entry within
data.
- dst
-
Pointer to a caller-provided entry of the appropriate type:
GElf_Versym,
GElf_Verdef,
GElf_Verdaux,
GElf_Verneed,
or
GElf_Vernaux.
This argument must not be NULL.
RETURN VALUE
On success, these functions store the requested entry in
dst
and return
dst.
On failure, these functions return NULL and set elf_errno. If
data
is NULL, then NULL is returned without setting elf_errno.
SEE ALSO
gelf_update_verdaux(3),
gelf_update_verdef(3),
gelf_update_vernaux(3),
gelf_update_verneed(3),
gelf_update_versym(3),
libelf(3),
elf(5)
ATTRIBUTES
| Interface | Attribute | Value
|
gelf_getversym(),
gelf_getverdef(),
gelf_getverdaux(),
gelf_getverneed(),
gelf_getvernaux()
| Thread safety | M-Safe
|
REPORTING BUGS
Report bugs to < elfutil-devel@sourceware.org> or https://sourceware.org/bugzilla/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- PARAMETERS
-
- RETURN VALUE
-
- SEE ALSO
-
- ATTRIBUTES
-
- REPORTING BUGS
-
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