LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

init_module.2: Use syscall(SYS_...); for system calls without a wrapper 

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Alejandro Colomar 2021-04-04 13:58:40 +02:00 committed by Michael Kerrisk
parent 4695076306
commit d9f8238d37
1 changed files with 8 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
man2/init_module.2
View File

@ -29,14 +29,15 @@
init_module, finit_module \- load a kernel module
.SH SYNOPSIS
.nf
.BI "int init_module(void *" module_image ", unsigned long " len ,
.BI " const char *" param_values );
.BI "int finit_module(int " fd ", const char *" param_values ,
.BI " int " flags );
.fi
.BR "#include <linux/module.h>" " /* Definition of " MODULE_* " constants */"
.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
.B #include <unistd.h>
.PP
.IR Note :
There are no glibc wrappers for these system calls; see NOTES.
.BI "int syscall(SYS_init_module, void *" module_image ", unsigned long " len ,
.BI " const char *" param_values );
.BI "int syscall(SYS_finit_module, int " fd ", const char *" param_values ,
.BI " int " flags );
.fi
.SH DESCRIPTION
.BR init_module ()
loads an ELF image into kernel space,
@ -268,11 +269,6 @@ manually declare the interface in your code;
alternatively, you can invoke the system call using
.BR syscall (2).
.PP
Glibc does not provide a wrapper for
.BR finit_module ();
call it using
.BR syscall (2).
.PP
Information about currently loaded modules can be found in
.IR /proc/modules
and in the file trees under the per-module subdirectories under