1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/brk.c b/sysdeps/unix/sysv/linux/powerpc/brk.c
new file mode 100644
index 0000000000..e9826bd098
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/brk.c
@@ -0,0 +1,47 @@
+/* brk system call for Linux/ppc.
+   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <sysdep.h>
+#include <errno.h>
+
+void *__curbrk;
+
+int
+__brk (void *addr)
+{
+  register void *syscall_arg asm ("r3") = addr;
+  register int syscall_number asm ("r0") = SYS_ify (brk);
+  register void *newbrk asm ("r3");
+  asm ("sc"
+       : "=r" (newbrk)
+       : "r" (syscall_arg), "r" (syscall_number)
+       : "r4","r5","r6","r7","r8","r9","r10","r11","r12",
+         "ctr", "mq", "cr0", "cr1", "cr6", "cr7");
+
+  __curbrk = newbrk;
+
+  if (newbrk < addr)
+    {
+      __set_errno (ENOMEM);
+      return -1;
+    }
+
+  return 0;
+}
+weak_alias (__brk, brk)