projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 0ecb606c | 1 | /* Copyright (C) 1991,92,93,95,97,2002,2005 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
| 3 | ||
| 4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either | |
| 7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| ae1025be | 13 | |
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14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, write to the Free | |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 17 | 02111-1307 USA. */ | |
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18 | |
| 19 | #include <sysdep.h> | |
| 20 | ||
| 21 | #ifndef SYS_brk | |
| 22 | #define SYS_brk 17 | |
| 23 | #endif | |
| 24 | ||
| 25 | .data | |
| 26 | .globl C_SYMBOL_NAME(__curbrk) | |
| 27 | C_LABEL(__curbrk) | |
| 28f540f4 | 28 | .long C_SYMBOL_NAME(_end) |
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29 | |
| 30 | .text | |
| 31 | SYSCALL__ (brk, 1) | |
| 32 | movl 4(%esp), %eax | |
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33 | #ifdef PIC |
| 34 | /* Standard PIC nonsense to store into `__curbrk' through the GOT. */ | |
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35 | call L(here) |
| 36 | L(here): popl %ecx | |
| 37 | addl $_GLOBAL_OFFSET_TABLE_+[.-L(here)], %ecx | |
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38 | movl C_SYMBOL_NAME(__curbrk@GOT)(%ecx), %ecx |
| 39 | movl %eax, (%ecx) | |
| 40 | #else | |
| 28f540f4 | 41 | movl %eax, C_SYMBOL_NAME(__curbrk) |
| e3726b05 | 42 | #endif |
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43 | xorl %eax, %eax |
| 44 | ret | |
| ffa8d2a0 | 45 | PSEUDO_END (__brk) |
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46 | |
| 47 | weak_alias (__brk, brk) |