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-rw-r--r--src/linux-user/openrisc/target_signal.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/linux-user/openrisc/target_signal.h b/src/linux-user/openrisc/target_signal.h
new file mode 100644
index 0000000..964aed6
--- /dev/null
+++ b/src/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 */
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