Add qemu 2.4.0
[kvmfornfv.git] / qemu / linux-user / sparc / target_signal.h
diff --git a/qemu/linux-user/sparc/target_signal.h b/qemu/linux-user/sparc/target_signal.h
new file mode 100644 (file)
index 0000000..c7de300
--- /dev/null
@@ -0,0 +1,36 @@
+#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_ulong ss_sp;
+       abi_long ss_flags;
+       abi_ulong ss_size;
+} target_stack_t;
+
+
+/*
+ * sigaltstack controls
+ */
+#define TARGET_SS_ONSTACK      1
+#define TARGET_SS_DISABLE      2
+
+#define TARGET_MINSIGSTKSZ     4096
+#define TARGET_SIGSTKSZ                16384
+
+#ifndef UREG_I6
+#define UREG_I6        6
+#endif
+#ifndef UREG_FP
+#define UREG_FP        UREG_I6
+#endif
+
+static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
+{
+    return state->regwptr[UREG_FP];
+}
+
+#endif /* TARGET_SIGNAL_H */