---

yaml --- r: 196343 b: refs/heads/master c: a0de055 h: refs/heads/master i: 196341: 473b08f 196339: c4ca9da 196335: 4520f81 v: v3
git-mirror · May 21, 2010 · 6dabed7 · 6dabed7
1 parent 5330519
commit 6dabed7
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Showing 6 changed files with 35 additions and 7 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6d45a1aed34b0cd7b298967eb9cb72b77afcb33b
+refs/heads/master: a0de055cf61338549b13079a5677ef2e1b6472ef
diff --git a/trunk/kernel/debug/debug_core.c b/trunk/kernel/debug/debug_core.c
@@ -82,7 +82,7 @@ static int kgdb_use_con;
 int dbg_switch_cpu;
 
 /* Use kdb or gdbserver mode */
-static int dbg_kdb_mode = 1;
+int dbg_kdb_mode = 1;
 
 static int __init opt_kgdb_con(char *str)
 {

diff --git a/trunk/kernel/debug/debug_core.h b/trunk/kernel/debug/debug_core.h
@@ -66,9 +66,11 @@ extern void gdbstub_msg_write(const char *s, int len);
 
 /* gdbstub functions used for kdb <-> gdbstub transition */
 extern int gdbstub_state(struct kgdb_state *ks, char *cmd);
+extern int dbg_kdb_mode;
 
 #ifdef CONFIG_KGDB_KDB
 extern int kdb_stub(struct kgdb_state *ks);
+extern int kdb_parse(const char *cmdstr);
 #else /* ! CONFIG_KGDB_KDB */
 static inline int kdb_stub(struct kgdb_state *ks)
 {

diff --git a/trunk/kernel/debug/gdbstub.c b/trunk/kernel/debug/gdbstub.c
@@ -201,6 +201,9 @@ void gdbstub_msg_write(const char *s, int len)
 	int wcount;
 	int i;
 
+	if (len == 0)
+		len = strlen(s);
+
 	/* 'O'utput */
 	gdbmsgbuf[0] = 'O';
 
@@ -685,6 +688,25 @@ static void gdb_cmd_query(struct kgdb_state *ks)
 			kgdb_mem2hex(tmpstr, remcom_out_buffer, strlen(tmpstr));
 		}
 		break;
+#ifdef CONFIG_KGDB_KDB
+	case 'R':
+		if (strncmp(remcom_in_buffer, "qRcmd,", 6) == 0) {
+			int len = strlen(remcom_in_buffer + 6);
+
+			if ((len % 2) != 0) {
+				strcpy(remcom_out_buffer, "E01");
+				break;
+			}
+			kgdb_hex2mem(remcom_in_buffer + 6,
+				     remcom_out_buffer, len);
+			len = len / 2;
+			remcom_out_buffer[len++] = 0;
+
+			kdb_parse(remcom_out_buffer);
+			strcpy(remcom_out_buffer, "OK");
+		}
+		break;
+#endif
 	}
 }
 

diff --git a/trunk/kernel/debug/kdb/kdb_io.c b/trunk/kernel/debug/kdb/kdb_io.c
@@ -21,6 +21,7 @@
 #include <linux/smp.h>
 #include <linux/nmi.h>
 #include <linux/delay.h>
+#include <linux/kgdb.h>
 #include <linux/kdb.h>
 #include <linux/kallsyms.h>
 #include "kdb_private.h"
@@ -669,10 +670,14 @@ int kdb_printf(const char *fmt, ...)
 	 * Write to all consoles.
 	 */
 	retlen = strlen(kdb_buffer);
-	while (c) {
-		c->write(c, kdb_buffer, retlen);
-		touch_nmi_watchdog();
-		c = c->next;
+	if (!dbg_kdb_mode && kgdb_connected) {
+		gdbstub_msg_write(kdb_buffer, retlen);
+	} else {
+		while (c) {
+			c->write(c, kdb_buffer, retlen);
+			touch_nmi_watchdog();
+			c = c->next;
+		}
 	}
 	if (logging) {
 		saved_loglevel = console_loglevel;

diff --git a/trunk/kernel/debug/kdb/kdb_private.h b/trunk/kernel/debug/kdb/kdb_private.h
@@ -254,7 +254,6 @@ extern unsigned long kdb_task_state(const struct task_struct *p,
 				    unsigned long mask);
 extern void kdb_ps_suppressed(void);
 extern void kdb_ps1(const struct task_struct *p);
-extern int kdb_parse(const char *cmdstr);
 extern void kdb_print_nameval(const char *name, unsigned long val);
 extern void kdb_send_sig_info(struct task_struct *p, struct siginfo *info);
 extern void kdb_meminfo_proc_show(void);