1 files changed, 19 insertions, 0 deletions
diff --git a/bsd-user/x86_64/target_signal.h b/bsd-user/x86_64/target_signal.h
new file mode 100644
index 0000000000..659cd401b8
--- /dev/null
+++ b/bsd-user/x86_64/target_signal.h
@@ -0,0 +1,19 @@
+#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;
+
+static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
+{
+    return state->regs[R_ESP];
+}
+
+#endif /* TARGET_SIGNAL_H */