| 1 | /* Copyright 2003-2024 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 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 |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 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 |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <sysdep.h> |
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| 19 | |
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| 20 | #include <sys/asm.h> |
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| 21 | |
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| 22 | /* Sign-extend the ioctl number, since the kernel wants it as a |
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| 23 | sign-extended 32-bit value, but our prototype is that of a long. */ |
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| 24 | |
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| 25 | .text |
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| 26 | ENTRY (__ioctl) |
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| 27 | sll a1, a1, 0 |
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| 28 | li v0, __NR_ioctl |
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| 29 | syscall /* Do the system call. */ |
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| 30 | bne a3, zero, L(error) |
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| 31 | ret |
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| 32 | |
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| 33 | L(error): |
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| 34 | SETUP_GP64_REG (a0, __ioctl) |
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| 35 | PTR_LA t9, __syscall_error |
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| 36 | RESTORE_GP64_REG |
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| 37 | jr t9 |
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| 38 | |
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| 39 | PSEUDO_END (__ioctl) |
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| 40 | |
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| 41 | libc_hidden_def (__ioctl) |
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| 42 | weak_alias (__ioctl, ioctl) |
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| 43 | |
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