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a/sysvinit-scripts-2.1-noarch-41.txz: Rebuilt. rc.S: don't clear /var/run. Thanks to upnort. kde/digikam-7.2.0-x86_64-2.txz: Rebuilt. Recompiled against opencv-4.5.2 (apparently the ABI changed). Thanks to etienne.
61 lines
2.6 KiB
Diff
61 lines
2.6 KiB
Diff
From 2f62d5544d13ca32dc09504ec70358db581e9e65 Mon Sep 17 00:00:00 2001
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From: Christos Zoulas <christos@zoulas.com>
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Date: Wed, 31 Mar 2021 19:51:14 +0000
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Subject: [PATCH] Improve 8086 relocatable detection (Joerg Jenderek)
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---
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magic/Magdir/xenix | 20 +++++++++++++++-----
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1 file changed, 15 insertions(+), 5 deletions(-)
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diff --git a/magic/Magdir/xenix b/magic/Magdir/xenix
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index 3e248de26..d5ab69e5d 100644
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--- a/magic/Magdir/xenix
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+++ b/magic/Magdir/xenix
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@@ -1,6 +1,6 @@
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#------------------------------------------------------------------------------
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-# $File: xenix,v 1.12 2021/02/23 00:51:10 christos Exp $
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+# $File: xenix,v 1.13 2021/03/31 19:51:14 christos Exp $
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# xenix: file(1) magic for Microsoft Xenix
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#
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# "Middle model" stuff, and "Xenix 8086 relocatable or 80286 small
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@@ -13,25 +13,35 @@
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#
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0 string core core file (Xenix)
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# URL: http://www.polarhome.com/service/man/?qf=86rel&tf=2&of=Xenix
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+# http://fileformats.archiveteam.org/wiki/OMF
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# Reference: http://www.azillionmonkeys.com/qed/Omfg.pdf
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# Update: Joerg Jenderek
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# recordtype~TranslatorHEADerRecord
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0 byte 0x80
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-# GRR: line above is too general as it catches also Extensible storage engine DataBase
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+# GRR: line above is too general as it catches also Extensible storage engine DataBase,
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+# all lif files like forth.lif hpcc88.lif lex90b.lif ( See ./lif)
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+# and all compressed DEGAS low-res bitmaps like: MUNCHIE.PC1 PIDER1.PC1
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# skip examples like GENA.SND Switch.Snd by looking for record length maximal 1024-3
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>1 uleshort <1022
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# skip examples like GAME.PICTURE Strange.Pic by looking for positive record length
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>>1 uleshort >0
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# skip examples like Xtable.Data FRACTAL.GEN SHR.VIEW by looking for positive string length
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>>>3 ubyte >0
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-# skip examples like OMBRE.6 with "UUUUUU" by looking for filename like "hello.c"
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->>>>4 regex [a-zA-Z_/]{1,8}[.] 8086 relocatable (Microsoft)
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+# skip examples like OMBRE.6 with "UUUUUU" name by looking for valid high second record type
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+>>>>(1.s+3) ubyte >0x6D 8086 relocatable (Microsoft)
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#!:mime application/octet-stream
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!:mime application/x-object
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-!:ext o/a
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+!:ext obj/o/a
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+# T-module name often source name like "hello.c" or "jmppm32.asm" in JMPPM32.OBJ or
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+# "kbhit" in KBHITS.OBJ or "CAUSEWAY_KERNAL" in CWAPI.OBJ
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>>>>>3 pstring x \b, "%s"
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+# data length probably lower 256 according to TrID obj_omf.trid.xml
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+>>>>>1 uleshort x \b, 1st record data length %u
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# checksum
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#>>>>>(3.b+4) ubyte x \b, checksum 0x%2.2x
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+# second recordtype: 96h~LNAMES 88h~COMENT 8CH~EXTDEF
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+>>>>>(1.s+3) ubyte x \b, 2nd record type 0x%x
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+>>>>>(1.s+4) uleshort x \b, 2nd record data length %u
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0 leshort 0xff65 x.out
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>2 string __.SYMDEF randomized
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>0 byte x archive
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