Initial commit (from git)

2000-05-19 16:04:55 +00:00
commit 1a9128a473
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+;  l_djgpp2.asm -- loader & decompressor for the djgpp2/coff format
+;
+;  This file is part of the UPX executable compressor.
+;
+;  Copyright (C) 1996-2000 Markus Franz Xaver Johannes Oberhumer
+;  Copyright (C) 1996-2000 Laszlo Molnar
+;
+;  UPX and the UCL library are free software; you can redistribute them
+;  and/or modify them 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.
+;
+;  This program 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 this program; see the file COPYING.
+;  If not, write to the Free Software Foundation, Inc.,
+;  59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+;
+;  Markus F.X.J. Oberhumer                   Laszlo Molnar
+;  markus.oberhumer@jk.uni-linz.ac.at        ml1050@cdata.tvnet.hu
+;
+
+
+%define         jmps    jmp short
+%include        "macros.ash"
+
+                BITS    32
+                SECTION .text
+                ORG     0
+
+; =============
+; ============= ENTRY POINT
+; =============
+
+;       __DJ2MAIN1__
+start:
+                push    ds
+                pop     es
+
+                mov     esi, 'INPP'             ; input pointer
+                mov     edi, 'OUTP'             ; output pointer
+%ifdef  __DJCALLT1__
+                push    edi
+%endif; __DJ2MAIN2__
+;               cld                             ; the stub sets this
+                or      ebp, byte -1
+
+; =============
+; ============= DECOMPRESSION
+; =============
+
+%include      "n2b_d32.ash"
+%include      "n2d_d32.ash"
+
+; =============
+
+;       __DJ2BSS00__
+                mov     ecx, 'BSSL'
+                rep
+                stosd
+%ifdef  __DJCALLT2__
+
+; =============
+; ============= CALLTRICK
+; =============
+
+                pop     edi
+                cjt32   0
+%endif; __DJRETURN__
+
+; =============
+
+                push    dword 'ENTR'            ; entry point
+                ret
+
+; because of a feature of the djgpp loader, the size of this stub must be
+; a multiple of 4 and as the upx decompressor depends on the fact that
+; the compressed data stream begins just after the header, i must
+; use an alignment here - ML
+                align   4
+%include        "header.ash"
+eof:
+;       __DJTHEEND__
+                section .data
+                dd      -1
+                dw      eof
+
+
+; vi:ts=8:et:nowrap