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Last change
on this file since 2988 was 2988, checked in by vboxsync, 17 years ago |
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InnoTek -> innotek part 4: more miscellaneous files.
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| 1 | ; $Id: ldexpl.asm 2988 2007-06-01 17:36:09Z vboxsync $
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| 2 | ;; @file
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| 3 | ; innotek Portable Runtime - No-CRT ldexpl - AMD64 & X86.
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| 4 | ;
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| 5 |
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| 6 | ;
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| 7 | ; Copyright (C) 2006-2007 innotek GmbH
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| 8 | ;
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| 9 | ; This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | ; available from http://www.virtualbox.org. This file is free software;
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| 11 | ; you can redistribute it and/or modify it under the terms of the GNU
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| 12 | ; General Public License as published by the Free Software Foundation,
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| 13 | ; in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | ; distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | ; be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | ;
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| 17 | ; If you received this file as part of a commercial VirtualBox
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| 18 | ; distribution, then only the terms of your commercial VirtualBox
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| 19 | ; license agreement apply instead of the previous paragraph.
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| 20 | ;
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| 21 |
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| 22 | %include "iprt/asmdefs.mac"
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| 23 |
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| 24 | BEGINCODE
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| 25 |
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| 26 | %ifdef __AMD64__
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| 27 | %define _SP rsp
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| 28 | %define _BP rbp
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| 29 | %define _S 8
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| 30 | %else
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| 31 | %define _SP esp
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| 32 | %define _BP ebp
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| 33 | %define _S 4
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| 34 | %endif
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| 35 |
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| 36 | ;;
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| 37 | ; Computes lrd * 2^exp
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| 38 | ; @returns st(0)
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| 39 | ; @param lrd [rbp + _S*2]
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| 40 | ; @param exp [ebp + 14h] GCC:edi MSC:ecx
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| 41 | BEGINPROC RT_NOCRT(ldexpl)
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| 42 | push _BP
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| 43 | mov _BP, _SP
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| 44 | sub _SP, 10h
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| 45 |
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| 46 | ; load exp
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| 47 | %ifdef __AMD64__ ; ASSUMES ONLY GCC HERE!
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| 48 | mov [rsp], edi
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| 49 | fild dword [rsp]
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| 50 | %else
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| 51 | fild dword [ebp + _S*2 + RTLRD_CB]
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| 52 | %endif
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| 53 | fld tword [_BP + _S*2]
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| 54 | fscale
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| 55 | fstp st1
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| 56 |
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| 57 | leave
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| 58 | ret
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| 59 | ENDPROC RT_NOCRT(ldexpl)
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| 60 |
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