1 files changed, 45 insertions, 0 deletions
diff --git a/lib/libc_r/arch/sparc64/uthread_machdep.c b/lib/libc_r/arch/sparc64/uthread_machdep.c
new file mode 100644
index 00000000000..eaea79af8d3
--- /dev/null
+++ b/lib/libc_r/arch/sparc64/uthread_machdep.c
@@ -0,0 +1,45 @@
+/*	$OpenBSD: uthread_machdep.c,v 1.1 2001/09/10 20:00:14 jason Exp $	*/
+
+/*
+ * Machine-dependent thread state functions for OpenBSD/sparc.
+ */
+
+#include <sys/types.h>
+#include <machine/frame.h>
+#include <machine/param.h>
+#include <pthread.h>
+#include "pthread_private.h"
+
+/*
+ * Given a stack and an entry function, initialise a state
+ * structure that can be later switched to.
+ */
+void
+_thread_machdep_init(statep, base, len, entry)
+	struct _machdep_state* statep;
+	void *base;
+	int len;
+	void (*entry)(void);
+{
+	struct frame64 *f;
+
+	/* Locate the initial frame, aligned at the top of the stack */
+	f = (struct frame64 *)(((int)base + len - sizeof *f) & ~ALIGNBYTES);
+	
+	f->fr_fp = (struct frame64 *)-1;	/* purposefully misaligned */
+	f->fr_pc = -1;				/* for gdb */
+	statep->fp = (int)f;
+	statep->pc = -8 + (int)entry;
+}
+
+void
+_thread_machdep_save_float_state(statep)
+	struct _machdep_state* statep;
+{
+}
+
+void
+_thread_machdep_restore_float_state(statep)
+	struct _machdep_state* statep;
+{
+}