vserver 1.9.5.x5

[linux-2.6.git] / include / asm-ppc / signal.h

diff --git a/include/asm-ppc/signal.h b/include/asm-ppc/signal.h
index 580fcc1..8cc8b88 100644 (file)
--- 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