---

yaml --- r: 242229 b: refs/heads/master c: d57f078 h: refs/heads/master i: 242227: 68a214e v: v3
git-mirror · Mar 18, 2011 · e7adf27 · e7adf27
1 parent 67fc8d4
commit e7adf27
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Showing 3 changed files with 32 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e460d64405c04581e42aa9cbae76815a2d4e9abe
+refs/heads/master: d57f078b193981d1b7d24193f3118c6b806db0ff
diff --git a/trunk/include/linux/kgdb.h b/trunk/include/linux/kgdb.h
@@ -297,6 +297,7 @@ extern int
 kgdb_handle_exception(int ex_vector, int signo, int err_code,
 		      struct pt_regs *regs);
 extern int kgdb_nmicallback(int cpu, void *regs);
+extern void gdbstub_exit(int status);
 
 extern int			kgdb_single_step;
 extern atomic_t			kgdb_active;

diff --git a/trunk/kernel/debug/gdbstub.c b/trunk/kernel/debug/gdbstub.c
@@ -1093,3 +1093,33 @@ int gdbstub_state(struct kgdb_state *ks, char *cmd)
 	put_packet(remcom_out_buffer);
 	return 0;
 }
+
+/**
+ * gdbstub_exit - Send an exit message to GDB
+ * @status: The exit code to report.
+ */
+void gdbstub_exit(int status)
+{
+	unsigned char checksum, ch, buffer[3];
+	int loop;
+
+	buffer[0] = 'W';
+	buffer[1] = hex_asc_hi(status);
+	buffer[2] = hex_asc_lo(status);
+
+	dbg_io_ops->write_char('$');
+	checksum = 0;
+
+	for (loop = 0; loop < 3; loop++) {
+		ch = buffer[loop];
+		checksum += ch;
+		dbg_io_ops->write_char(ch);
+	}
+
+	dbg_io_ops->write_char('#');
+	dbg_io_ops->write_char(hex_asc_hi(checksum));
+	dbg_io_ops->write_char(hex_asc_lo(checksum));
+
+	/* make sure the output is flushed, lest the bootloader clobber it */
+	dbg_io_ops->flush();
+}