xref: /freebsd/contrib/elftoolchain/libelf/elf_getshdrstrndx.3 (revision ebacd8013fe5f7fdf9f6a5b286f6680dd2891036)
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24.\" $Id: elf_getshdrstrndx.3 3643 2018-10-14 21:09:24Z jkoshy $
25.\"
26.Dd August 5, 2009
27.Dt ELF_GETSHDRSTRNDX 3
28.Os
29.Sh NAME
30.Nm elf_getshdrstrndx
31.Nd retrieve the index of the section name string table
32.Sh LIBRARY
33.Lb libelf
34.Sh SYNOPSIS
35.In libelf.h
36.Ft int
37.Fn elf_getshdrstrndx "Elf *elf" "size_t *ndxptr"
38.Sh DESCRIPTION
39Function
40.Fn elf_getshdrstrndx
41retrieves the section index of the string table containing section
42names from descriptor
43.Ar elf
44and stores it into the location pointed to by argument
45.Ar ndxptr .
46.Pp
47This function allow applications to process both normal ELF
48objects and ELF objects that use extended section numbering uniformly.
49.Sh RETURN VALUES
50These functions return zero if successful, or -1 in case of an error.
51.Sh ERRORS
52These functions can fail with the following errors:
53.Bl -tag -width "[ELF_E_RESOURCE]"
54.It Bq Er ELF_E_ARGUMENT
55A NULL value was passed in for argument
56.Ar elf .
57.It Bq Er ELF_E_ARGUMENT
58Argument
59.Ar elf
60was not for an ELF file.
61.It Bq Er ELF_E_ARGUMENT
62Argument
63.Ar elf
64lacks an ELF Executable header.
65.It Bq Er ELF_E_ARGUMENT
66Argument
67.Ar ndx
68contained a value in the reserved range of section indices.
69.El
70.Sh SEE ALSO
71.Xr elf 3 ,
72.Xr elf32_getehdr 3 ,
73.Xr elf64_getehdr 3 ,
74.Xr elf_getident 3 ,
75.Xr elf_getphdrnum 3 ,
76.Xr elf_getshdrnum 3 ,
77.Xr gelf 3 ,
78.Xr gelf_getehdr 3
79