projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| cfc91acd | 1 | /* brk system call for Linux. PowerPC64 version. |
| a334319f | 2 | Copyright (C) 1995,96,97,99, 2000, 2002 Free Software Foundation, Inc. |
| cfc91acd RM |
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 | |
| 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. | |
| 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 | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 16 | License along with the GNU C Library; if not, write to the Free | |
| a334319f UD |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | 02111-1307 USA. */ | |
| cfc91acd RM |
19 | |
| 20 | #include <sysdep.h> | |
| 21 | #define _ERRNO_H 1 | |
| 22 | #include <bits/errno.h> | |
| 23 | #include <bp-sym.h> | |
| 24 | #include <bp-asm.h> | |
| 25 | ||
| 26 | .comm __curbrk,8,8 | |
| 2ce1a10f UD |
27 | .section ".toc","aw" |
| 28 | .LC__curbrk: | |
| 29 | .tc __curbrk[TC],__curbrk | |
| cfc91acd RM |
30 | .section ".text" |
| 31 | ENTRY (BP_SYM (__brk)) | |
| 865d953f | 32 | CALL_MCOUNT 1 |
| cfc91acd RM |
33 | DISCARD_BOUNDS (r3) /* the bounds are meaningless, so toss 'em. */ |
| 34 | ||
| 35 | stdu r1,-64(r1) | |
| 36 | std r3,48(r1) | |
| 37 | DO_CALL(SYS_ify(brk)) | |
| 38 | ld r6,48(r1) | |
| 2ce1a10f | 39 | ld r5,.LC__curbrk@toc(r2) |
| cfc91acd RM |
40 | std r3,0(r5) |
| 41 | cmpld r6,r3 | |
| 42 | addi r1,r1,64 | |
| 43 | li r3,0 | |
| 44 | blelr+ | |
| 45 | li r3,ENOMEM | |
| 46 | b JUMPTARGET(__syscall_error) | |
| 47 | END (BP_SYM (__brk)) | |
| 48 | ||
| 49 | weak_alias (BP_SYM (__brk), BP_SYM (brk)) |