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Diffstat (limited to 'sysdeps/unix/mips/brk.S')
-rw-r--r--sysdeps/unix/mips/brk.S48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/unix/mips/brk.S b/sysdeps/unix/mips/brk.S
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+++ b/sysdeps/unix/mips/brk.S
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+/* Copyright (C) 1992, 1995, 1997, 2002, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Brendan Kehoe (brendan@zen.org).
+
+ 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>
+#include <sys/asm.h>
+
+#ifndef SYS_brk
+#define SYS_brk 17
+#endif
+
+#ifndef HAVE_GNU_LD
+#define _end end
+#endif
+
+ .data
+ENTRY(__curbrk)
+ .word 0
+ .end __curbrk
+
+ .text
+SYSCALL__(brk, 1)
+ .set reorder
+ /* Handle the query case. */
+ bnez a0, 1f
+ move a0, v0
+1: /* Update __curbrk and exit cleanly. */
+ PTR_S a0, __curbrk
+ move v0, zero
+ jr ra
+PSEUDO_END(__brk)
+
+weak_alias (__brk, brk)