VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / arch / ppc / kernel / ppc-stub.c

diff --git a/arch/ppc/kernel/ppc-stub.c b/arch/ppc/kernel/ppc-stub.c
index 37c9c8b..a869750 100644 (file)
--- a/arch/ppc/kernel/ppc-stub.c
+++ b/arch/ppc/kernel/ppc-stub.c
@@ -105,6 +105,8 @@
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
+#include <linux/init.h>
+#include <linux/sysrq.h>
 
 #include <asm/cacheflush.h>
 #include <asm/system.h>
@@ -232,7 +234,7 @@ mem2hex(const char *mem, char *buf, int count)
        } else {
                /* error condition */
        }
-       debugger_fault_handler = 0;
+       debugger_fault_handler = NULL;
        *buf = 0;
        return buf;
 }
@@ -298,7 +300,7 @@ hex2mem(char *buf, char *mem, int count)
        } else {
                /* error condition */
        }
-       debugger_fault_handler = 0;
+       debugger_fault_handler = NULL;
        return mem;
 }
 
@@ -329,7 +331,7 @@ hexToInt(char **ptr, int *intValue)
        } else {
                /* error condition */
        }
-       debugger_fault_handler = 0;
+       debugger_fault_handler = NULL;
 
        return (numChars);
 }
@@ -855,3 +857,23 @@ kgdb_output_string (const char* s, unsigned int count)
        return 1;
 }
 #endif
+
+static void sysrq_handle_gdb(int key, struct pt_regs *pt_regs,
+                            struct tty_struct *tty)
+{
+       printk("Entering GDB stub\n");
+       breakpoint();
+}
+static struct sysrq_key_op sysrq_gdb_op = {
+        .handler        = sysrq_handle_gdb,
+        .help_msg       = "Gdb",
+        .action_msg     = "GDB",
+};
+
+static int gdb_register_sysrq(void)
+{
+       printk("Registering GDB sysrq handler\n");
+       register_sysrq_key('g', &sysrq_gdb_op);
+       return 0;
+}
+module_init(gdb_register_sysrq);