X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-ppc%2Fsignal.h;h=8cc8b88d4edd3053d2f3a22c1fac5b109bb5f68b;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=580fcc1482593e672cf69ea9239986418f56b3c6;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/include/asm-ppc/signal.h b/include/asm-ppc/signal.h
index 580fcc148..8cc8b88d4 100644
--- a/include/asm-ppc/signal.h
+++ b/include/asm-ppc/signal.h
@@ -157,4 +157,23 @@ typedef struct sigaltstack {
 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 #endif /* __KERNEL__ */
 
+/*
+ * These are parameters to dbg_sigreturn syscall.  They enable or
+ * disable certain debugging things that can be done from signal
+ * handlers.  The dbg_sigreturn syscall *must* be called from a
+ * SA_SIGINFO signal so the ucontext can be passed to it.  It takes an
+ * array of struct sig_dbg_op, which has the debug operations to
+ * perform before returning from the signal.
+ */
+struct sig_dbg_op {
+	int dbg_type;
+	unsigned long dbg_value;
+};
+
+/* Enable or disable single-stepping.  The value sets the state. */
+#define SIG_DBG_SINGLE_STEPPING		1
+
+/* Enable or disable branch tracing.  The value sets the state. */
+#define SIG_DBG_BRANCH_TRACING		2
+
 #endif