| 1 | /* enter.ash -- LZO assembler stuff |
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| 2 | |
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| 3 | This file is part of the LZO real-time data compression library. |
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| 4 | |
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| 5 | Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer |
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| 6 | All Rights Reserved. |
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| 7 | |
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| 8 | The LZO library is free software; you can redistribute it and/or |
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| 9 | modify it under the terms of the GNU General Public License as |
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| 10 | published by the Free Software Foundation; either version 2 of |
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| 11 | the License, or (at your option) any later version. |
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| 12 | |
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| 13 | The LZO library is distributed in the hope that it will be useful, |
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | GNU General Public License for more details. |
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| 17 | |
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| 18 | You should have received a copy of the GNU General Public License |
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| 19 | along with the LZO library; see the file COPYING. |
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| 20 | If not, write to the Free Software Foundation, Inc., |
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| 21 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 22 | |
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| 23 | Markus F.X.J. Oberhumer |
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| 24 | <markus@oberhumer.com> |
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| 25 | http://www.oberhumer.com/opensource/lzo/ |
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| 26 | */ |
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| 27 | |
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| 28 | |
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| 29 | /*********************************************************************** |
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| 30 | // |
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| 31 | ************************************************************************/ |
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| 32 | |
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| 33 | pushl %ebp |
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| 34 | pushl %edi |
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| 35 | pushl %esi |
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| 36 | pushl %ebx |
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| 37 | pushl %ecx |
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| 38 | pushl %edx |
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| 39 | subl $12,%esp |
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| 40 | |
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| 41 | cld |
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| 42 | |
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| 43 | movl INP,%esi |
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| 44 | movl OUTP,%edi |
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| 45 | #if defined(N_3_EBP) |
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| 46 | movl $3,%ebp |
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| 47 | #endif |
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| 48 | #if defined(N_255_EBP) |
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| 49 | movl $255,%ebp |
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| 50 | #endif |
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| 51 | |
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| 52 | #if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) |
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| 53 | #if defined(INIT_OVERRUN) |
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| 54 | INIT_OVERRUN |
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| 55 | # undef INIT_OVERRUN |
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| 56 | #endif |
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| 57 | leal -3(%esi),%eax /* 3 == length of EOF code */ |
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| 58 | addl INS,%eax |
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| 59 | movl %eax,INEND |
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| 60 | #endif |
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| 61 | |
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| 62 | #if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) |
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| 63 | #if defined(INIT_OVERRUN) |
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| 64 | INIT_OVERRUN |
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| 65 | # undef INIT_OVERRUN |
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| 66 | #endif |
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| 67 | movl %edi,%eax |
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| 68 | movl OUTS,%edx |
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| 69 | addl (%edx),%eax |
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| 70 | movl %eax,OUTEND |
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| 71 | #endif |
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| 72 | |
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| 73 | |
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| 74 | /* |
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| 75 | vi:ts=4 |
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| 76 | */ |
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| 77 | |
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