Signed-off-by: Aaron Merey <ame...@redhat.com> --- v2 changes: Improved description.
Mention that NULL is returned if there is no program header. Add elf_getphdrnum and elf32_newphdr to SEE ALSO. doc/elf32_getphdr.3 | 66 +++++++++++++++++++++++++++++++++++++++++++++ doc/elf64_getphdr.3 | 1 + 2 files changed, 67 insertions(+) create mode 100644 doc/elf32_getphdr.3 create mode 100644 doc/elf64_getphdr.3 diff --git a/doc/elf32_getphdr.3 b/doc/elf32_getphdr.3 new file mode 100644 index 00000000..5e9fe2dd --- /dev/null +++ b/doc/elf32_getphdr.3 @@ -0,0 +1,66 @@ +.TH ELF32_GETPHDR 3 2024-08-14 "Libelf" "Libelf Programmer's Manual" + +.SH NAME +elf32_getphdr, elf64_getphdr \- retrieve the program header table for a +32-bit or 64-bit ELF object file + +.SH SYNOPSIS +.nf +.B #include <libelf.h> + +.BI "Elf32_Phdr *elf32_getphdr(Elf *" elf ");" +.BI "Elf64_Phdr *elf64_getphdr(Elf *" elf ");" + +.SH DESCRIPTION +Retrieve the program header table for the given ELF descriptor +.IR elf . +The number of elements in the program header table can be retrieved with +.B elf32_getphdrnum +and +.BR elf64_getphdrnum . +.B elf32_newphdr +and +.B elf64_newphdr +change the size of the program header table or to delete it. +If changing an element of the program header table, you must +call elf_flagphdr with +.B ELF_C_SET +and +.B ELF_F_DIRTY +in order to write the new data to disk. + +.SH PARAMETERS +.TP +.I elf +ELF descriptor from which to retrieve the program header table. + +.SH RETURN VALUE +On success, return a pointer to the program header table. Return NULL if +there is no program header. On failure, return NULL and set a libelf +error code. + +.SH SEE ALSO +.BR elf32_newphdr (3), +.BR elf_errno (3), +.BR elf_getphdrnum (3), +.BR libelf (3), +.BR elf (5) + +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR elf32_getphdr (), +.BR elf64_getphdr () +T} Thread safety MT-Safe +.TE + +.SH REPORTING BUGS +Report bugs to <elfutils-devel@sourceware.org> or https://sourceware.org/bugzilla/. diff --git a/doc/elf64_getphdr.3 b/doc/elf64_getphdr.3 new file mode 100644 index 00000000..3301d1e9 --- /dev/null +++ b/doc/elf64_getphdr.3 @@ -0,0 +1 @@ +.so man3/elf32_getphdr.3 -- 2.46.2