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43 lines
1.5 KiB
ArmAsm
43 lines
1.5 KiB
ArmAsm
/* Copyright (C) 1995-2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Alexandre Oliva <aoliva@redhat.com>.
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Based on ../i386/syscall.S.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library 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/am33/sysdep.h for
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more information about the value -126 used below.*/
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.text
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ENTRY (syscall)
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movm [d2,d3,a2,a3],(sp) /* Save register contents. */
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mov d1,a0
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mov (28,sp),d1
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mov (32,sp),a3
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mov (36,sp),a2
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mov (40,sp),d3
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mov (44,sp),d2
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syscall 0 /* Do the system call. */
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movm (sp),[d2,d3,a2,a3] /* Restore register contents. */
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cmp -126,d0 /* Check for error. */
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bls L(pseudo_end)
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jmp SYSCALL_ERROR_LABEL /* Jump to error handler if error. */
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L(pseudo_end):
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ret /* Return to caller. */
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PSEUDO_END (syscall)
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