1998-07-27 17:54:08 +00:00
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/* brk system call for Linux/ARM.
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2017-01-01 00:14:16 +00:00
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Copyright (C) 1995-2017 Free Software Foundation, Inc.
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1998-07-27 17:54:08 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 04:56:23 +00:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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1998-07-27 17:54:08 +00:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 04:56:23 +00:00
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Lesser General Public License for more details.
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1998-07-27 17:54:08 +00:00
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2001-07-06 04:56:23 +00:00
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You should have received a copy of the GNU Lesser General Public
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2012-03-09 23:56:38 +00:00
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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1998-07-27 17:54:08 +00:00
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#include <errno.h>
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#include <unistd.h>
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#include <sysdep.h>
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/* This must be initialized data because commons can't have aliases. */
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void *__curbrk = 0;
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int
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__brk (void *addr)
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{
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void *newbrk;
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* sysdeps/arm/dl-machine.h (CLEAR_CACHE): Use INTERNAL_SYSCALL_ARM.
* sysdeps/unix/sysv/linux/arm/brk.c (__brk): Use INLINE_SYSCALL.
* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use DO_CALL.
* sysdeps/unix/sysv/linux/arm/eabi/configure.in: Bump
arch_minimum_kernel.
* sysdeps/unix/sysv/linux/arm/eabi/configure: Regenerated.
* sysdeps/unix/sysv/linux/arm/eabi/epoll_ctl.c,
sysdeps/unix/sysv/linux/arm/eabi/epoll_wait.c,
sysdeps/unix/sysv/linux/arm/eabi/fcntl.c,
sysdeps/unix/sysv/linux/arm/eabi/fstatfs64.c,
sysdeps/unix/sysv/linux/arm/eabi/ftruncate64.c,
sysdeps/unix/sysv/linux/arm/eabi/fxstat64.c,
sysdeps/unix/sysv/linux/arm/eabi/kernel_epoll.h,
sysdeps/unix/sysv/linux/arm/eabi/kernel_stat.h,
sysdeps/unix/sysv/linux/arm/eabi/lockf64.c,
sysdeps/unix/sysv/linux/arm/eabi/lxstat64.c,
sysdeps/unix/sysv/linux/arm/eabi/semop.c,
sysdeps/unix/sysv/linux/arm/eabi/semtimedop.c,
sysdeps/unix/sysv/linux/arm/eabi/statfs64.c,
sysdeps/unix/sysv/linux/arm/eabi/syscalls.list,
sysdeps/unix/sysv/linux/arm/eabi/uname.c,
sysdeps/unix/sysv/linux/arm/eabi/xstat64.c,
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.c,
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.h: Removed.
* sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h,
sysdeps/unix/sysv/linux/arm/eabi/mmap64.S,
sysdeps/unix/sysv/linux/arm/eabi/pread.c,
sysdeps/unix/sysv/linux/arm/eabi/pread64.c,
sysdeps/unix/sysv/linux/arm/eabi/pwrite.c,
sysdeps/unix/sysv/linux/arm/eabi/pwrite64.c,
sysdeps/unix/sysv/linux/arm/eabi/readahead.c,
sysdeps/unix/sysv/linux/arm/eabi/sigrestorer.S,
sysdeps/unix/sysv/linux/arm/eabi/socket.S,
sysdeps/unix/sysv/linux/arm/eabi/syscall.S,
sysdeps/unix/sysv/linux/arm/eabi/sysdep.h,
sysdeps/unix/sysv/linux/arm/eabi/truncate64.c: New files.
* sysdeps/unix/sysv/linux/arm/linuxthreads/sysdep-cancel.h
(SINGLE_THREAD_P_INT, SINGLE_THREAD_P_PIC): Removed.
(SINGLE_THREAD_P): Rewritten to use only ip.
* sysdeps/unix/sysv/linux/arm/linuxthreads/vfork.S (__vfork): Use
DO_CALL.
* sysdeps/unix/sysv/linux/arm/mmap.S (__mmap): Use DO_CALL.
* sysdeps/unix/sysv/linux/arm/mmap64.S (__mmap64): Use DO_CALL.
Don't handle EABI here.
* sysdeps/unix/sysv/linux/arm/socket.S (__socket): Use
SINGLE_THREAD_P.
* sysdeps/unix/sysv/linux/arm/vfork.S (__vfork): Use DO_CALL.
2005-11-16 18:08:53 +00:00
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__curbrk = newbrk = (void *) INLINE_SYSCALL (brk, 1, addr);
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1998-07-27 17:54:08 +00:00
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if (newbrk < addr)
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{
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__set_errno (ENOMEM);
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return -1;
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}
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return 0;
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}
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weak_alias (__brk, brk)
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