103 lines
2.6 KiB
Plaintext
103 lines
2.6 KiB
Plaintext
/* leave.ash -- LZO assembler stuff
|
|
|
|
This file is part of the LZO real-time data compression library.
|
|
|
|
Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer
|
|
All Rights Reserved.
|
|
|
|
The LZO library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License as
|
|
published by the Free Software Foundation; either version 2 of
|
|
the License, or (at your option) any later version.
|
|
|
|
The LZO library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with the LZO library; see the file COPYING.
|
|
If not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
Markus F.X.J. Oberhumer
|
|
<markus@oberhumer.com>
|
|
http://www.oberhumer.com/opensource/lzo/
|
|
*/
|
|
|
|
|
|
/***********************************************************************
|
|
//
|
|
************************************************************************/
|
|
|
|
/* check uncompressed size */
|
|
#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT)
|
|
cmpl OUTEND,%edi
|
|
ja .L_output_overrun
|
|
#endif
|
|
|
|
/* check compressed size */
|
|
movl INP,%edx
|
|
addl INS,%edx
|
|
cmpl %edx,%esi /* check compressed size */
|
|
ja .L_input_overrun
|
|
jb .L_input_not_consumed
|
|
|
|
.L_leave:
|
|
subl OUTP,%edi /* write back the uncompressed size */
|
|
movl OUTS,%edx
|
|
movl %edi,(%edx)
|
|
|
|
negl %eax
|
|
addl $12,%esp
|
|
popl %edx
|
|
popl %ecx
|
|
popl %ebx
|
|
popl %esi
|
|
popl %edi
|
|
popl %ebp
|
|
#if 1
|
|
ret
|
|
#else
|
|
jmp .L_end
|
|
#endif
|
|
|
|
|
|
.L_error:
|
|
movl $1,%eax /* LZO_E_ERROR */
|
|
jmp .L_leave
|
|
|
|
.L_input_not_consumed:
|
|
movl $8,%eax /* LZO_E_INPUT_NOT_CONSUMED */
|
|
jmp .L_leave
|
|
|
|
.L_input_overrun:
|
|
movl $4,%eax /* LZO_E_INPUT_OVERRUN */
|
|
jmp .L_leave
|
|
|
|
#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT)
|
|
.L_output_overrun:
|
|
movl $5,%eax /* LZO_E_OUTPUT_OVERRUN */
|
|
jmp .L_leave
|
|
#endif
|
|
|
|
#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND)
|
|
.L_lookbehind_overrun:
|
|
movl $6,%eax /* LZO_E_LOOKBEHIND_OVERRUN */
|
|
jmp .L_leave
|
|
#endif
|
|
|
|
#if defined(LZO_DEBUG)
|
|
.L_assert_fail:
|
|
movl $99,%eax
|
|
jmp .L_leave
|
|
#endif
|
|
|
|
.L_end:
|
|
|
|
|
|
/*
|
|
vi:ts=4
|
|
*/
|
|
|