projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 4cca6b86 | 1 | /* brk system call for Linux/ppc. |
| 04277e02 | 2 | Copyright (C) 1995-2019 Free Software Foundation, Inc. |
| 4cca6b86 UD |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 4cca6b86 UD |
9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 4cca6b86 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 | 16 | License along with the GNU C Library; if not, see |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| 4cca6b86 UD |
18 | |
| 19 | #include <sysdep.h> | |
| 9a0a462c UD |
20 | #define _ERRNO_H 1 |
| 21 | #include <bits/errno.h> | |
| 22 | ||
| 23 | .comm __curbrk,4,4 | |
| 24 | .section ".text" | |
| b5510883 | 25 | ENTRY (__brk) |
| a7e91561 | 26 | mflr r0 |
| acf47bbe | 27 | stwu r1,-16(r1) |
| a7e91561 | 28 | cfi_adjust_cfa_offset (16) |
| acf47bbe | 29 | stw r3,8(r1) |
| a7e91561 UD |
30 | stw r0,20(r1) |
| 31 | cfi_offset (lr, 4) | |
| 9a0a462c | 32 | DO_CALL(SYS_ify(brk)) |
| acf47bbe | 33 | lwz r6,8(r1) |
| 9a0a462c | 34 | #ifdef PIC |
| 91d2a845 WS |
35 | SETUP_GOT_ACCESS(r5,got_label) |
| 36 | addis r5,r5,__curbrk-got_label@ha | |
| 37 | stw r3,__curbrk-got_label@l(r5) | |
| 9a0a462c | 38 | #else |
| 053cc7bb | 39 | lis r4,__curbrk@ha |
| 9b6a9cee | 40 | stw r3,__curbrk@l(r4) |
| 9a0a462c | 41 | #endif |
| a7e91561 | 42 | lwz r0,20(r1) |
| acf47bbe UD |
43 | cmplw r6,r3 |
| 44 | addi r1,r1,16 | |
| a7e91561 | 45 | mtlr r0 |
| acf47bbe | 46 | li r3,0 |
| 9a0a462c | 47 | blelr+ |
| acf47bbe | 48 | li r3,ENOMEM |
| b0e196a4 | 49 | b __syscall_error@local |
| b5510883 | 50 | END (__brk) |
| 4cca6b86 | 51 | |
| b5510883 | 52 | weak_alias (__brk, brk) |