linux-user sigaltstack() syscall, by Thayne Harbaugh.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3252 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 24 insertions, 0 deletions

diff --git a/linux-user/arm/target_signal.h b/linux-user/arm/target_signal.h
new file mode 100644
index 0000000000..eb4a0bb12c
--- /dev/null
+++ b/linux-user/arm/target_signal.h
@@ -0,0 +1,24 @@
+#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	2048
+#define TARGET_SIGSTKSZ		8192
+
+#endif /* TARGET_SIGNAL_H */