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50 lines
1.4 KiB
ArmAsm
50 lines
1.4 KiB
ArmAsm
/* Copyright (C) 1993, 1995 Free Software Foundation, Inc.
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Contributed by David Mosberger (davidm@cs.arizona.edu).
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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; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/* For compatibility only: a "long" is 64 bits on the Alpha, so
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llseek() isn't really needed. But there are some programs out
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there who may depend on it being around.
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*/
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#include <sysdep.h>
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.text
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ENTRY(llseek)
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.prologue 0
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mov a3, t0 /* save result address */
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sll a1, 32, a1 /* build a 64 bit ofs out of 32 bit operands */
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zap a2, 0xf0, a2
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bis a2, a1, a1
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mov a4, a2 /* shift down whence */
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ldi v0, __NR_lseek
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call_pal PAL_callsys
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bne a3, error
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stq v0, 0(t0)
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ret
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error: br gp, 1f
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1: ldgp gp, 0(gp)
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jmp zero, syscall_error
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.end llseek
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