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688903eb | 1 | /* Copyright (C) 1999-2018 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. |
3846ef75 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #include <sysdep.h> | |
19 | ||
20 | ENTRY (__libc_pipe) | |
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21 | mov #+__NR_pipe, r3 |
22 | trapa #0x10 | |
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23 | mov r0, r3 |
24 | mov #-12, r2 | |
25 | shad r2, r3 | |
26 | not r3, r3 // r1=0 means r0 = -1 to -4095 | |
27 | tst r3, r3 // i.e. error in linux | |
bbd17455 | 28 | bt 1f |
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29 | mov.l r0, @r4 |
30 | mov.l r1, @(4, r4) | |
31 | rts | |
32 | mov #0, r0 | |
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33 | 1: |
34 | SYSCALL_ERROR_HANDLER | |
35 | .Lpseudo_end: | |
36 | rts | |
37 | nop | |
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38 | PSEUDO_END (__libc_pipe) |
39 | ||
40 | weak_alias (__libc_pipe, __pipe) | |
37ba7d66 | 41 | libc_hidden_def (__pipe) |
3846ef75 | 42 | weak_alias (__libc_pipe, pipe) |