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Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/brk.c')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/brk.c47
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)