diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S b/REORG.TODO/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S new file mode 100644 index 0000000000..736fc89200 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S @@ -0,0 +1,52 @@ +/* brk system call for Linux/ppc. + Copyright (C) 1995-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#define _ERRNO_H 1 +#include <bits/errno.h> + + .comm __curbrk,4,4 + .section ".text" +ENTRY (__brk) + mflr r0 + stwu r1,-16(r1) + cfi_adjust_cfa_offset (16) + stw r3,8(r1) + stw r0,20(r1) + cfi_offset (lr, 4) + DO_CALL(SYS_ify(brk)) + lwz r6,8(r1) +#ifdef PIC + SETUP_GOT_ACCESS(r5,got_label) + addis r5,r5,__curbrk-got_label@ha + stw r3,__curbrk-got_label@l(r5) +#else + lis r4,__curbrk@ha + stw r3,__curbrk@l(r4) +#endif + lwz r0,20(r1) + cmplw r6,r3 + addi r1,r1,16 + mtlr r0 + li r3,0 + blelr+ + li r3,ENOMEM + b __syscall_error@local +END (__brk) + +weak_alias (__brk, brk) |