These changes are the raw update to qemu-2.6.
[kvmfornfv.git] / qemu / linux-user / tilegx / target_signal.h
diff --git a/qemu/linux-user/tilegx/target_signal.h b/qemu/linux-user/tilegx/target_signal.h
new file mode 100644 (file)
index 0000000..b595f98
--- /dev/null
@@ -0,0 +1,28 @@
+#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_int ss_flags;
+    abi_ulong ss_size;
+} 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(CPUTLGState *state)
+{
+    return state->regs[TILEGX_R_SP];
+}
+
+#endif /* TARGET_SIGNAL_H */