The C6X port

This adds support for the TI C6X family of processors.

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/c6x/prctl.c b/libc/sysdeps/linux/c6x/prctl.c
new file mode 100644
index 000000000..fcf1f9d54
--- /dev/null
+++ b/libc/sysdeps/linux/c6x/prctl.c
@@ -0,0 +1,43 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * prctl() for uClibc
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <stdarg.h>
+/* psm: including sys/prctl.h would depend on kernel headers */
+
+#ifdef __NR_prctl
+extern int prctl (int __option, ...);
+int prctl (int __option, ...)
+{
+	register long no __asm__("B0");
+	register long a __asm__("A4");
+	register long b __asm__("B4");
+	register long c __asm__("A6");
+	register long d __asm__("B6");
+	register long e __asm__("A8");
+	int __res;
+	va_list ap;
+
+	va_start( ap, __option);
+	a = __option;
+	b = va_arg( ap, long);
+	c = va_arg( ap, long);
+	d = va_arg( ap, long);
+	e = va_arg( ap, long);
+	va_end( ap );
+
+	no = __NR_prctl;
+
+	__asm__ __volatile__ ("SWE" : "=a" (a) : "a" (a), "b" (b), "a" (c), "b" (d), "a" (e), "b" (no)
+			      : "memory", "cc");
+
+	__res = a;
+	__SYSCALL_RETURN (int);
+}
+#endif