From: Masatake YAMATO <yamato@redhat.com>
Date: Tue, 13 May 2014 16:46:04 +0000 (+0900)
Subject: Enhance setns syscall decoding
X-Git-Tag: v4.9~80
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b2ede14797b729659b0397431b28f34e57b5c4e7;p=strace

Enhance setns syscall decoding

* process.c (sys_setns): New function.
Decode the 2nd syscall argument using clone_flags.
* linux/syscall.h (sys_setns): New prototype.
* linux/dummy.h (sys_setns): Remove.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
---

diff --git a/linux/dummy.h b/linux/dummy.h
index 23716737..4f3e9202 100644
--- a/linux/dummy.h
+++ b/linux/dummy.h
@@ -79,7 +79,6 @@
 #define	sys_set_robust_list	sys_munmap
 #define	sys_setfsgid		sys_setfsuid
 #define	sys_setgid		sys_setuid
-#define	sys_setns		sys_inotify_rm_watch
 #define	sys_setregid		sys_setreuid
 #define	sys_setresgid		sys_setresuid
 #define	sys_swapoff		sys_chdir
diff --git a/linux/syscall.h b/linux/syscall.h
index cfa9086d..19432976 100644
--- a/linux/syscall.h
+++ b/linux/syscall.h
@@ -241,6 +241,7 @@ int sys_setgroups();
 int sys_setgroups32();
 int sys_sethostname();
 int sys_setitimer();
+int sys_setns();
 int sys_setpriority();
 int sys_setresuid();
 int sys_setreuid();
diff --git a/process.c b/process.c
index 13253191..4347a872 100644
--- a/process.c
+++ b/process.c
@@ -584,6 +584,17 @@ sys_clone(struct tcb *tcp)
 	return 0;
 }
 
+int
+sys_setns(struct tcb *tcp)
+{
+	if (entering(tcp)) {
+		printfd(tcp, tcp->u_arg[0]);
+		tprints(", ");
+		printflags(clone_flags, tcp->u_arg[1], "CLONE_???");
+	}
+	return 0;
+}
+
 int
 sys_unshare(struct tcb *tcp)
 {