| /* Copyright (C) 1991,92,93,95,97,2002,2005 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> |
| |
| #ifndef SYS_brk |
| #define SYS_brk 17 |
| #endif |
| |
| .data |
| .globl C_SYMBOL_NAME(__curbrk) |
| C_LABEL(__curbrk) |
| .long C_SYMBOL_NAME(_end) |
| |
| .text |
| SYSCALL__ (brk, 1) |
| movl 4(%esp), %eax |
| #ifdef PIC |
| /* Standard PIC nonsense to store into `__curbrk' through the GOT. */ |
| call L(here) |
| L(here): popl %ecx |
| addl $_GLOBAL_OFFSET_TABLE_+[.-L(here)], %ecx |
| movl C_SYMBOL_NAME(__curbrk@GOT)(%ecx), %ecx |
| movl %eax, (%ecx) |
| #else |
| movl %eax, C_SYMBOL_NAME(__curbrk) |
| #endif |
| xorl %eax, %eax |
| ret |
| PSEUDO_END (__brk) |
| |
| weak_alias (__brk, brk) |
