Add qemu 2.4.0
[kvmfornfv.git] / qemu / linux-user / mips64 / target_signal.h
diff --git a/qemu/linux-user/mips64/target_signal.h b/qemu/linux-user/mips64/target_signal.h
new file mode 100644 (file)
index 0000000..5fb6a2c
--- /dev/null
@@ -0,0 +1,29 @@
+#ifndef TARGET_SIGNAL_H
+#define TARGET_SIGNAL_H
+
+#include "cpu.h"
+
+/* this struct defines a stack used during syscall handling */
+
+typedef struct target_sigaltstack {
+       abi_long ss_sp;
+       abi_ulong ss_size;
+       abi_int ss_flags;
+} target_stack_t;
+
+
+/*
+ * sigaltstack controls
+ */
+#define TARGET_SS_ONSTACK     1
+#define TARGET_SS_DISABLE     2
+
+#define TARGET_MINSIGSTKSZ    2048
+#define TARGET_SIGSTKSZ       8192
+
+static inline abi_ulong get_sp_from_cpustate(CPUMIPSState *state)
+{
+    return state->active_tc.gpr[29];
+}
+
+#endif /* TARGET_SIGNAL_H */