[PATCH] ppc64: Add ptrace data breakpoint support
Add hardware data breakpoint support.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/ppc64/kernel/ptrace32.c b/arch/ppc64/kernel/ptrace32.c
index cbb1e0f..fb8c22d 100644
--- a/arch/ppc64/kernel/ptrace32.c
+++ b/arch/ppc64/kernel/ptrace32.c
@@ -338,6 +338,19 @@
break;
}
+ case PTRACE_GET_DEBUGREG: {
+ ret = -EINVAL;
+ /* We only support one DABR and no IABRS at the moment */
+ if (addr > 0)
+ break;
+ ret = put_user(child->thread.dabr, (u32 __user *)data);
+ break;
+ }
+
+ case PTRACE_SET_DEBUGREG:
+ ret = ptrace_set_debugreg(child, addr, data);
+ break;
+
case PTRACE_DETACH:
ret = ptrace_detach(child, data);
break;