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authorArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
committerArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
commit3e4d8f433239c40311037616b1b8833a06651ae0 (patch)
tree98ab7fce0d011d34677b0beb762d389cb5c39199 /lzo/asm/i386/src/leave.ash
Initial import
Diffstat (limited to 'lzo/asm/i386/src/leave.ash')
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diff --git a/lzo/asm/i386/src/leave.ash b/lzo/asm/i386/src/leave.ash
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+/* 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
+*/
+