gdbstub: Implement gdbserial 'p' and 'P' packets
The gdbserial 'p' and 'P' packets allow gdb to individually get and
set registers instead of querying for all the available registers.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index d5eb882..cc96f0f 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -294,7 +294,7 @@
extern struct kgdb_io *dbg_io_ops;
extern int kgdb_hex2long(char **ptr, unsigned long *long_val);
-extern int kgdb_mem2hex(char *mem, char *buf, int count);
+extern char *kgdb_mem2hex(char *mem, char *buf, int count);
extern int kgdb_hex2mem(char *buf, char *mem, int count);
extern int kgdb_isremovedbreak(unsigned long addr);