GDB exit status for semihosting

Report exit status to GDB when a semihosted application exits.

Signed-off-by: Paul Brook <paul@codesourcery.com>

1 files changed, 20 insertions, 14 deletions

diff --git a/gdbstub.c b/gdbstub.c
index 474ed8aea..c1852c243 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -2373,6 +2373,26 @@ static void gdb_read_byte(GDBState *s, int ch)
     }
 }
 
+/* Tell the remote gdb that the process has exited.  */
+void gdb_exit(CPUState *env, int code)
+{
+  GDBState *s;
+  char buf[4];
+
+  s = gdbserver_state;
+  if (!s) {
+      return;
+  }
+#ifdef CONFIG_USER_ONLY
+  if (gdbserver_fd < 0 || s->fd < 0) {
+      return;
+  }
+#endif
+
+  snprintf(buf, sizeof(buf), "W%02x", (uint8_t)code);
+  put_packet(s, buf);
+}
+
 #ifdef CONFIG_USER_ONLY
 int
 gdb_queuesig (void)
@@ -2436,20 +2456,6 @@ gdb_handlesig (CPUState *env, int sig)
   return sig;
 }
 
-/* Tell the remote gdb that the process has exited.  */
-void gdb_exit(CPUState *env, int code)
-{
-  GDBState *s;
-  char buf[4];
-
-  s = gdbserver_state;
-  if (gdbserver_fd < 0 || s->fd < 0)
-    return;
-
-  snprintf(buf, sizeof(buf), "W%02x", code);
-  put_packet(s, buf);
-}
-
 /* Tell the remote gdb that the process has exited due to SIG.  */
 void gdb_signalled(CPUState *env, int sig)
 {