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Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S54
1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S
new file mode 100644
index 0000000000..8ecbb548a2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S
@@ -0,0 +1,54 @@
+/* brk system call for Linux/ppc.
+ Copyright (C) 1995, 1996, 1997, 1999, 2000 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+#include <bp-sym.h>
+#include <bp-asm.h>
+
+ .comm __curbrk,4,4
+ .section ".text"
+ENTRY (BP_SYM (__brk))
+ DISCARD_BOUNDS (r3) /* the bounds are meaningless, so toss 'em */
+
+ stwu r1,-16(r1)
+ stw r3,8(r1)
+ DO_CALL(SYS_ify(brk))
+ lwz r6,8(r1)
+#ifdef PIC
+ mflr r4
+ bl _GLOBAL_OFFSET_TABLE_@local-4
+ mflr r5
+ lwz r5,__curbrk@got(r5)
+ mtlr r4
+ stw r3,0(r5)
+#else
+ lis r4,__curbrk@ha
+ stw r3,__curbrk@l(r4)
+#endif
+ cmplw r6,r3
+ addi r1,r1,16
+ li r3,0
+ blelr+
+ li r3,ENOMEM
+ b JUMPTARGET(__syscall_error)
+END (BP_SYM (__brk))
+
+weak_alias (BP_SYM (__brk), BP_SYM (brk))