Blame sysdeps/unix/sysv/linux/m68k/syscall.S
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/* Copyright (C) 1996-2018 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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/* Please consult the file sysdeps/unix/sysv/linux/m68k/sysdep.h for
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more information about the value -4095 used below.*/
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.text
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ENTRY (syscall)
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move.l 4(%sp), %d0 /* Load syscall number. */
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_DOARGS_6 (28) /* Frob arguments. */
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trap &0 /* Do the system call. */
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UNDOARGS_6 /* Unfrob arguments. */
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cmp.l &-4095, %d0 /* Check %d0 for error. */
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jcc SYSCALL_ERROR_LABEL /* Jump to error handler if negative. */
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rts /* Return to caller. */
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PSEUDO_END (syscall)
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