mirror of git://sourceware.org/git/glibc.git
51 lines
1.4 KiB
ArmAsm
51 lines
1.4 KiB
ArmAsm
/* Cancellable syscall wrapper. Linux/loongarch version.
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Copyright (C) 2023-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <descr-const.h>
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ENTRY (__syscall_cancel_arch)
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.global __syscall_cancel_arch_start
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__syscall_cancel_arch_start:
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/* if (*cancelhandling & CANCELED_BITMASK)
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__syscall_do_cancel() */
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ld.w t0, a0, 0
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andi t0, t0, TCB_CANCELED_BITMASK
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bnez t0, 1f
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/* Issue a 6 argument syscall. */
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move t1, a1
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move a0, a2
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move a1, a3
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move a2, a4
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move a3, a5
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move a4, a6
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move a5, a7
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move a7, t1
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syscall 0
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.global __syscall_cancel_arch_end
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__syscall_cancel_arch_end:
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jr ra
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1:
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b __syscall_do_cancel
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END (__syscall_cancel_arch)
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