[v5,24/35] getunwind.2: Use syscall(SYS_...); for system calls without a wrapper
Commit Message
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
man2/getunwind.2 | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
Comments
Hi Alex,
On 4/4/21 1:58 PM, Alejandro Colomar wrote:
> Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
> ---
> man2/getunwind.2 | 14 ++++----------
> 1 file changed, 4 insertions(+), 10 deletions(-)
Patch applied.
Thanks,
Michael
> diff --git a/man2/getunwind.2 b/man2/getunwind.2
> index 45535dccf..2c44506c7 100644
> --- a/man2/getunwind.2
> +++ b/man2/getunwind.2
> @@ -29,16 +29,14 @@
> getunwind \- copy the unwind data to caller's buffer
> .SH SYNOPSIS
> .nf
> -.B #include <syscall.h>
> .B #include <linux/unwind.h>
> +.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
> +.B #inlcude <unistd.h>
> .PP
> -.BI "long getunwind(void " *buf ", size_t " buf_size );
> +.BI "long syscall(SYS_getunwind, void " *buf ", size_t " buf_size );
> .fi
> -.PP
> -.IR Note :
> -There is no glibc wrapper for this system call; see NOTES.
> .SH DESCRIPTION
> -.I Note: this function is obsolete.
> +.I Note: this system call is obsolete.
> .PP
> The
> IA-64-specific
> @@ -102,9 +100,5 @@ and is available only on the IA-64 architecture.
> This system call has been deprecated.
> The modern way to obtain the kernel's unwind data is via the
> .BR vdso (7).
> -.PP
> -Glibc does not provide a wrapper for this system call;
> -in the unlikely event that you want to call it, use
> -.BR syscall (2).
> .SH SEE ALSO
> .BR getauxval (3)
>
@@ -29,16 +29,14 @@
getunwind \- copy the unwind data to caller's buffer
.SH SYNOPSIS
.nf
-.B #include <syscall.h>
.B #include <linux/unwind.h>
+.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
+.B #inlcude <unistd.h>
.PP
-.BI "long getunwind(void " *buf ", size_t " buf_size );
+.BI "long syscall(SYS_getunwind, void " *buf ", size_t " buf_size );
.fi
-.PP
-.IR Note :
-There is no glibc wrapper for this system call; see NOTES.
.SH DESCRIPTION
-.I Note: this function is obsolete.
+.I Note: this system call is obsolete.
.PP
The
IA-64-specific
@@ -102,9 +100,5 @@ and is available only on the IA-64 architecture.
This system call has been deprecated.
The modern way to obtain the kernel's unwind data is via the
.BR vdso (7).
-.PP
-Glibc does not provide a wrapper for this system call;
-in the unlikely event that you want to call it, use
-.BR syscall (2).
.SH SEE ALSO
.BR getauxval (3)