Implement finit_module decoding

* bjm.c (module_init_flags): New xlat structure.
(sys_finit_module): New function.
* linux/dummy.h (sys_finit_module): Remove.
* linux/syscall.h (sys_finit_module): New prototype.

3 files changed, 28 insertions, 1 deletions

diff --git a/bjm.c b/bjm.c
index 6f1ee57..d7acff0 100644
--- a/bjm.c
+++ b/bjm.c
@@ -200,3 +200,30 @@ sys_init_module(struct tcb *tcp)
 	}
 	return 0;
 }
+
+#define MODULE_INIT_IGNORE_MODVERSIONS  1
+#define MODULE_INIT_IGNORE_VERMAGIC     2
+
+static const struct xlat module_init_flags[] = {
+	XLAT(MODULE_INIT_IGNORE_MODVERSIONS),
+	XLAT(MODULE_INIT_IGNORE_VERMAGIC),
+	XLAT_END
+};
+
+int
+sys_finit_module(struct tcb *tcp)
+{
+	if (exiting(tcp))
+		return 0;
+
+	/* file descriptor */
+	printfd(tcp, tcp->u_arg[0]);
+	tprints(", ");
+	/* param_values */
+	printstr(tcp, tcp->u_arg[1], -1);
+	tprints(", ");
+	/* flags */
+	printflags(module_init_flags, tcp->u_arg[2], "MODULE_INIT_???");
+
+	return 0;
+}
diff --git a/linux/dummy.h b/linux/dummy.h
index 78d264f..b9cd91b 100644
--- a/linux/dummy.h
+++ b/linux/dummy.h
@@ -33,7 +33,6 @@
 
 /* still unfinished */
 #define	sys_add_key		printargs
-#define	sys_finit_module	printargs
 #define	sys_ioperm		printargs
 #define	sys_iopl		printargs
 #define	sys_ioprio_get		printargs
diff --git a/linux/syscall.h b/linux/syscall.h
index d8ce91f..17b9431 100644
--- a/linux/syscall.h
+++ b/linux/syscall.h
@@ -74,6 +74,7 @@ int sys_fchown();
 int sys_fchownat();
 int sys_fcntl();
 int sys_fgetxattr();
+int sys_finit_module();
 int sys_flistxattr();
 int sys_flock();
 int sys_fork();