projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 7733906d | 1 | /* Copyright (C) 1991, 92, 93, 95, 97, 98 Free Software Foundation, Inc. |
| db31c863 | 2 | This file is part of the GNU C Library. |
| 57771f20 | 3 | |
| db31c863 | 4 | The GNU C Library is free software; you can redistribute it and/or |
| 3214b89b AJ |
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. | |
| 57771f20 | 8 | |
| db31c863 UD |
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 | |
| 3214b89b | 12 | Lesser General Public License for more details. |
| 57771f20 | 13 | |
| 3214b89b | 14 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| 57771f20 UD |
17 | |
| 18 | #include <sysdep.h> | |
| 19 | ||
| 20 | #ifndef SYS_brk | |
| 21 | #define SYS_brk 17 | |
| 22 | #endif | |
| 23 | ||
| 24 | .data | |
| 25 | .globl C_SYMBOL_NAME(__curbrk) | |
| 26 | C_LABEL(__curbrk) | |
| 27 | #ifdef HAVE_GNU_LD | |
| 28 | .long C_SYMBOL_NAME(_end) | |
| 29 | #else | |
| 30 | .long C_SYMBOL_NAME(end) | |
| 31 | #endif | |
| 32 | ||
| 33 | .text | |
| 34 | SYSCALL__ (brk, 1) | |
| 7733906d UD |
35 | #ifdef PIC |
| 36 | ldr r1, 1f | |
| 541ee341 UD |
37 | ldr r2, _cb_addr |
| 38 | 2: add r1, pc, r1 | |
| 7733906d UD |
39 | add r1, r1, r2 |
| 40 | #else | |
| 57771f20 | 41 | ldr r1, _cb_addr |
| 7733906d | 42 | #endif |
| 57771f20 UD |
43 | str r0, [r1] |
| 44 | mov r0, $0 | |
| 47f0752a | 45 | DO_RET (r14) |
| 7733906d | 46 | #ifdef PIC |
| 541ee341 | 47 | 1: .long _GLOBAL_OFFSET_TABLE_ - 2b - 8 |
| 7733906d UD |
48 | _cb_addr: |
| 49 | .long C_SYMBOL_NAME(__curbrk)(GOTOFF) | |
| 50 | #else | |
| 51 | _cb_addr: | |
| 52 | .long C_SYMBOL_NAME(__curbrk) | |
| 53 | #endif | |
| db31c863 | 54 | |
| 57771f20 | 55 | weak_alias (__brk, brk) |