[v5,27/35] init_module.2: Use syscall(SYS_...); for system calls without a wrapper
Commit Message
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
man2/init_module.2 | 20 ++++++++------------
1 file changed, 8 insertions(+), 12 deletions(-)
Comments
Hi Alex,
On 4/4/21 1:58 PM, Alejandro Colomar wrote:
> Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
> ---
> man2/init_module.2 | 20 ++++++++------------
> 1 file changed, 8 insertions(+), 12 deletions(-)
Patch applied.
Thanks,
Michael
> diff --git a/man2/init_module.2 b/man2/init_module.2
> index e158ce9fa..13d1b7f0a 100644
> --- a/man2/init_module.2
> +++ b/man2/init_module.2
> @@ -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
>
@@ -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