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1 | /* brk system call for Linux/ia64 |
2 | Copyright (C) 1999,2000,2001,2003 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | Written by Stephane Eranian <eranian@hpl.hp.com> and | |
5 | Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999. | |
6 | ||
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
75efb018 MF |
18 | License along with the GNU C Library; if not, see |
19 | <http://www.gnu.org/licenses/>. */ | |
d5efd131 MF |
20 | |
21 | #include <sysdep.h> | |
22 | ||
23 | #include <asm/unistd.h> | |
24 | #include <asm/errno.h> | |
25 | ||
26 | .global __curbrk | |
27 | .type __curbrk,@object | |
28 | .size __curbrk,8 | |
29 | .data | |
30 | .align 8 | |
31 | __curbrk: | |
32 | data8 0 | |
33 | ||
34 | weak_alias (__curbrk, ___brk_addr) | |
35 | ||
36 | LEAF(__brk) | |
37 | .regstk 1, 0, 0, 0 | |
38 | DO_CALL(__NR_brk) | |
39 | cmp.ltu p6, p0 = ret0, in0 | |
40 | addl r9 = @ltoff(__curbrk), gp | |
41 | ;; | |
42 | ld8 r9 = [r9] | |
43 | (p6) mov ret0 = ENOMEM | |
44 | (p6) br.cond.spnt.few __syscall_error | |
45 | ;; | |
46 | st8 [r9] = ret0 | |
47 | mov ret0 = 0 | |
48 | ret | |
49 | END(__brk) | |
50 | ||
51 | weak_alias (__brk, brk) |