Add qemu 2.4.0

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

diff --git a/qemu/linux-user/openrisc/target_signal.h b/qemu/linux-user/openrisc/target_signal.h
new file mode 100644 (file)
index 0000000..964aed6
--- /dev/null
+++ b/qemu/linux-user/openrisc/target_signal.h
@@ -0,0 +1,26 @@
+#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_long 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(CPUOpenRISCState *state)
+{
+    return state->gpr[1];
+}
+
+#endif /* TARGET_SIGNAL_H */