Add qemu 2.4.0

[kvmfornfv.git] / qemu / linux-user / unicore32 / target_signal.h

diff --git a/qemu/linux-user/unicore32/target_signal.h b/qemu/linux-user/unicore32/target_signal.h
new file mode 100644 (file)
index 0000000..8b255c4
--- /dev/null
+++ b/qemu/linux-user/unicore32/target_signal.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2010-2011 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef TARGET_SIGNAL_H
+#define TARGET_SIGNAL_H
+
+/* this struct defines a stack used during syscall handling */
+typedef struct target_sigaltstack {
+    abi_ulong ss_sp;
+    abi_ulong ss_flags;
+    abi_ulong ss_size;
+} target_stack_t;
+
+/*
+ * sigaltstack controls
+ */
+#define TARGET_SS_ONSTACK               1
+#define TARGET_SS_DISABLE               2
+
+#define get_sp_from_cpustate(cpustate)  (cpustate->regs[29])
+
+#endif /* TARGET_SIGNAL_H */