| /* leave.ash -- LZO assembler stuff |
| |
| This file is part of the LZO real-time data compression library. |
| |
| Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1996 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 |
| */ |
| |