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85 lines
2.0 KiB
ArmAsm
85 lines
2.0 KiB
ArmAsm
/* Cancellable syscall wrapper. Linux/m68k 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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/* long int __syscall_cancel_arch (int *cancelhandling,
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__syscall_arg_t nr,
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__syscall_arg_t arg1,
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__syscall_arg_t arg2,
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__syscall_arg_t arg3,
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__syscall_arg_t arg4,
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__syscall_arg_t arg5,
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__syscall_arg_t arg6) */
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ENTRY (__syscall_cancel_arch)
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#ifdef __mcoldfire__
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lea (-16,%sp),%sp
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movem.l %d2-%d5,(%sp)
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#else
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movem.l %d2-%d5,-(%sp)
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#endif
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cfi_def_cfa_offset (20)
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cfi_offset (2, -20)
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cfi_offset (3, -16)
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cfi_offset (4, -12)
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cfi_offset (5, -8)
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.global __syscall_cancel_arch_start
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__syscall_cancel_arch_start:
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move.l 20(%sp),%a0
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move.l (%a0),%d0
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#ifdef __mcoldfire__
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move.w %d0,%ccr
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jeq 1f
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#else
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btst #TCB_CANCELED_BIT,%d0
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jne 1f
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#endif
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move.l 48(%sp),%a0
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move.l 44(%sp),%d5
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move.l 40(%sp),%d4
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move.l 36(%sp),%d3
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move.l 32(%sp),%d2
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move.l 28(%sp),%d1
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move.l 24(%sp),%d0
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trap #0
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.global __syscall_cancel_arch_end
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__syscall_cancel_arch_end:
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#ifdef __mcoldfire__
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movem.l (%sp),%d2-%d5
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lea (16,%sp),%sp
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#else
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movem.l (%sp)+,%d2-%d5
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#endif
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rts
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1:
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#ifdef PIC
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bsr.l __syscall_do_cancel
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#else
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jsr __syscall_do_cancel
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#endif
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END (__syscall_cancel_arch)
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