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-rw-r--r--libc/sysdeps/linux/avr32/Makefile.arch2
-rw-r--r--libc/sysdeps/linux/avr32/prctl.c36
2 files changed, 37 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/avr32/Makefile.arch b/libc/sysdeps/linux/avr32/Makefile.arch
index bc5f62550..98b85a7ce 100644
--- a/libc/sysdeps/linux/avr32/Makefile.arch
+++ b/libc/sysdeps/linux/avr32/Makefile.arch
@@ -5,7 +5,7 @@
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#
-CSRC := brk.c clone.c mmap.c sigaction.c
+CSRC := brk.c clone.c mmap.c prctl.c sigaction.c
SSRC := __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
sigrestorer.S syscall.S vfork.S
diff --git a/libc/sysdeps/linux/avr32/prctl.c b/libc/sysdeps/linux/avr32/prctl.c
new file mode 100644
index 000000000..4e146e35e
--- /dev/null
+++ b/libc/sysdeps/linux/avr32/prctl.c
@@ -0,0 +1,36 @@
+/*
+ * prctl syscall for AVR32 Linux.
+ *
+ * Copyright (C) 2010 Atmel Corporation
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License. See the file "COPYING.LIB" in the main directory of this
+ * archive for more details.
+ */
+#include <sys/syscall.h>
+#include <sys/prctl.h>
+#include <stdarg.h>
+
+#ifdef __NR_prctl
+#define __NR___syscall_prctl __NR_prctl
+static inline _syscall5(int, __syscall_prctl, int, option, long, arg2,
+ long, arg3, long, arg4, long, arg5);
+
+int prctl(int __option, ...)
+{
+ long arg2;
+ long arg3;
+ long arg4;
+ long arg5;
+ va_list ap;
+
+ va_start(ap, __option);
+ arg2 = va_arg(ap, long);
+ arg3 = va_arg(ap, long);
+ arg4 = va_arg(ap, long);
+ arg5 = va_arg(ap, long);
+ va_end(ap);
+
+ return INLINE_SYSCALL(prctl, 5, __option, arg2, arg3, arg4, arg5);
+}
+#endif