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- /* brk system call for Linux/ia64
- Copyright (C) 1999-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Written by Stephane Eranian <eranian@hpl.hp.com> and
- Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
- 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, see
- <http://www.gnu.org/licenses/>. */
- #include <sysdep.h>
- #include <asm/unistd.h>
- #include <asm/errno.h>
- .global __curbrk
- .type __curbrk,@object
- .size __curbrk,8
- .data
- .align 8
- __curbrk:
- data8 0
- weak_alias (__curbrk, ___brk_addr)
- LEAF(__brk)
- .regstk 1, 0, 0, 0
- DO_CALL(__NR_brk)
- cmp.ltu p6, p0 = ret0, in0
- addl r9 = @ltoff(__curbrk), gp
- ;;
- ld8 r9 = [r9]
- (p6) mov ret0 = ENOMEM
- (p6) br.cond.spnt.few __syscall_error
- ;;
- st8 [r9] = ret0
- mov ret0 = 0
- ret
- END(__brk)
- weak_alias (__brk, brk)
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