svn commit: r288993 - head/lib/libc/sys
John Baldwin
jhb at FreeBSD.org
Wed Oct 7 17:52:19 UTC 2015
Author: jhb
Date: Wed Oct 7 17:52:18 2015
New Revision: 288993
URL: https://svnweb.freebsd.org/changeset/base/288993
Log:
Document the recently added pl_syscall_* fields in struct ptrace_lwpinfo.
Reviewed by: emaste, kib
Differential Revision: https://reviews.freebsd.org/D3833
Modified:
head/lib/libc/sys/ptrace.2
Modified: head/lib/libc/sys/ptrace.2
==============================================================================
--- head/lib/libc/sys/ptrace.2 Wed Oct 7 13:19:44 2015 (r288992)
+++ head/lib/libc/sys/ptrace.2 Wed Oct 7 17:52:18 2015 (r288993)
@@ -2,7 +2,7 @@
.\" $NetBSD: ptrace.2,v 1.2 1995/02/27 12:35:37 cgd Exp $
.\"
.\" This file is in the public domain.
-.Dd July 3, 2015
+.Dd October 6, 2015
.Dt PTRACE 2
.Os
.Sh NAME
@@ -307,6 +307,8 @@ struct ptrace_lwpinfo {
siginfo_t pl_siginfo;
char pl_tdname[MAXCOMLEN + 1];
int pl_child_pid;
+ u_int pl_syscall_code;
+ u_int pl_syscall_narg;
};
.Ed
.Pp
@@ -395,6 +397,27 @@ stop when
.Dv PL_FLAG_FORKED
is set in
.Va pl_flags .
+.It pl_syscall_code
+The ABI-specific identifier of the current system call.
+Note that for indirect system calls this field reports the indirected
+system call.
+Only valid when
+.Dv PL_FLAG_SCE
+or
+.Dv PL_FLAG_SCX
+is set in
+.Va pl_flags.
+.It pl_syscall_narg
+The number of arguments passed to the current system call not counting
+the system call identifier.
+Note that for indirect system calls this field reports the arguments
+passed to the indirected system call.
+Only valid when
+.Dv PL_FLAG_SCE
+or
+.Dv PL_FLAG_SCX
+is set in
+.Va pl_flags.
.El
.It PT_GETNUMLWPS
This request returns the number of kernel threads associated with the
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