xref: /freebsd/contrib/elftoolchain/libelf/elf_getphnum.3 (revision ca987d4641cdcd7f27e153db17c5bf064934faf5)
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24.\" $Id: elf_getphnum.3 467 2009-08-05 18:18:49Z jkoshy $
25.\"
26.Dd August 5, 2009
27.Os
28.Dt ELF_GETPHNUM 3
29.Sh NAME
30.Nm elf_getphnum
31.Nd return the number of program headers in an ELF file
32.Sh LIBRARY
33.Lb libelf
34.Sh SYNOPSIS
35.In libelf.h
36.Ft int
37.Fn elf_getphnum "Elf *elf" "size_t *phnum"
38.Sh DESCRIPTION
39This function is deprecated.
40Please use function
41.Xr elf_getphdrnum 3
42instead.
43.Pp
44Function
45.Fn elf_getphnum
46retrieves the number of ELF program headers associated with descriptor
47.Ar elf
48and stores it into the location pointed to by argument
49.Ar phnum .
50.Pp
51This routine allows applications to uniformly process both normal ELF
52objects and ELF objects that use extended numbering.
53.Pp
54.Sh RETURN VALUES
55Function
56.Fn elf_getphnum
57returns a non-zero value if successful, or zero in case of an
58error.
59.Sh ERRORS
60Function
61.Fn elf_getphnum
62can fail with the following errors:
63.Bl -tag -width "[ELF_E_RESOURCE]"
64.It Bq Er ELF_E_ARGUMENT
65A NULL value was passed in for argument
66.Ar elf .
67.It Bq Er ELF_E_ARGUMENT
68Argument
69.Ar elf
70was not for an ELF file.
71.It Bq Er ELF_E_ARGUMENT
72Argument
73.Ar elf
74lacks an ELF Executable Header.
75.It Bq Er ELF_E_HEADER
76The ELF Executable Header associated with argument
77.Ar elf
78was corrupt.
79.It Bq Er ELF_E_SECTION
80The section header at index
81.Dv SHN_UNDEF
82was corrupt.
83.El
84.Sh SEE ALSO
85.Xr elf 3 ,
86.Xr elf32_getehdr 3 ,
87.Xr elf64_getehdr 3 ,
88.Xr elf_getident 3 ,
89.Xr elf_getphdrnum 3 ,
90.Xr elf_getshdrnum 3 ,
91.Xr elf_getshdrstrndx 3 ,
92.Xr gelf 3 ,
93.Xr gelf_getehdr 3
94