Merge with Linux 2.3.21.

1 files changed, 37 insertions, 0 deletions

diff --git a/arch/mips64/kernel/ptrace.c b/arch/mips64/kernel/ptrace.c
new file mode 100644
index 000000000..fb687f496
--- /dev/null
+++ b/arch/mips64/kernel/ptrace.c
@@ -0,0 +1,37 @@
+/* $Id: ptrace.c,v 1.1 1999/10/11 14:19:58 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1992 Ross Biro
+ * Copyright (C) Linus Torvalds
+ * Copyright (C) 1994, 1995, 1996, 1997, 1998 Ralf Baechle
+ * Copyright (C) 1996 David S. Miller
+ *
+ * At this time Linux/MIPS64 only supports syscall tracing, even for 32-bit
+ * binaries.
+ */
+#include <linux/kernel.h>
+#include <linux/sched.h>
+
+
+asmlinkage void syscall_trace(void)
+{
+	if ((current->flags & (PF_PTRACED|PF_TRACESYS))
+			!= (PF_PTRACED|PF_TRACESYS))
+		return;
+	current->exit_code = SIGTRAP;
+	current->state = TASK_STOPPED;
+	notify_parent(current, SIGCHLD);
+	schedule();
+	/*
+	 * this isn't the same as continuing with a signal, but it will do
+	 * for normal use.  strace only continues with a signal if the
+	 * stopping signal is not SIGTRAP.  -brl
+	 */
+	if (current->exit_code) {
+		send_sig(current->exit_code, current, 1);
+		current->exit_code = 0;
+	}
+}