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Diffstat (limited to 'linux-user/sparc/target_signal.h')
-rw-r--r--linux-user/sparc/target_signal.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/linux-user/sparc/target_signal.h b/linux-user/sparc/target_signal.h
new file mode 100644
index 000000000..dfca12916
--- /dev/null
+++ b/linux-user/sparc/target_signal.h
@@ -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 {
+ target_ulong ss_sp;
+ target_long ss_flags;
+ target_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 target_ulong get_sp_from_cpustate(CPUSPARCState *state)
+{
+ return state->regwptr[UREG_FP];
+}
+
+#endif /* TARGET_SIGNAL_H */