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From:	Claude Freeman <sdoom4 AT gmail DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	CC1.EXE/GCC.EXE crashes with SIGILL, hard.
Date:	Tue, 13 Mar 2012 18:36:06 -0700 (PDT)
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Hello!

I have a Pentium MMX CPU with around 48 MB RAM. I run Win95c, It's mostly for simple programming practice. I'm trying to use DJGPP to compile a simple hello world program in C, yet instead of a pretty program I get crash dump on my face.

here is the output of all I can give you thus far.

My SET environment...


TMP=C:\WINDOWS\TEMP
TEMP=C:\WINDOWS\TEMP
PROMPT=$p$g
winbootdir=C:\WINDOWS
COMSPEC=C:\WINDOWS\COMMAND.COM
SOUND=C:\PROGRA~1\CREATIVE\CTSND
MIDI=SYNTH:1 MAP:E
windir=C:\WINDOWS
BLASTER=A220 I5 D1 H1 P330 T6
PATH=C:\DJGPP\BIN;C:\WINDOWS;C:\WINDOWS\COMMAND
DJGPP=c:\djgpp\djgpp.env
CMDLINE=gcc foo.c -v 

The nasty crash dialog I get (there's no dump, for some unknown reason)

When compiling the program with -v , I'll get some output but it's only declaring flags and whatnot:

C:\REMOOD>gcc foo.c -v
Using built-in specs.
COLLECT_GCC=c:/djgpp/bin/gcc.exe
COLLECT_LTO_WRAPPER=c:/djgpp/bin/../libexec/gcc/djgpp/4.62/lto-wrapper.exe
Target: djgpp
Configured with: /v203/gcc-4.62/configure djgpp --prefix=/dev/env/DJDIR --disable-nls --disable-werror --enable-languages=c,c++,fortran,objc,obj-c++,ada -enable-libquadmath-support
Thread model: single
gcc version 4.6.2 (GCC)
COLLECT_GCC_OPTIONS='-v' '-mtune=pentium' '-march=pentium'
 c:/djgpp/bin/../libexec/gcc/djgpp/4.62/cc1.exe -quiet -v -iprefix c:/djgpp/bin/../lib/gcc/djgpp/4.62/ -remap foo.c -quiet -dumpbase foo.c -mtune=pentium -march=pentium -auxbase foo -version -o c:/djgpp/tmp/ccDUEyWn.s
Exiting due to signal SIGILL
Invalid Opcode at eip=007bbdc8
eax=006153eb ebx=00ba4738 ecx=00ba4740 edx=00615779 esi=00ba4740 edi=00aa4774
ebp=00ba474c esp=00ba4734 program=C:\DJGPP\LIBEXEC\GCC\DJGPP\4.62\CC1.EXE
cs: sel=00ff  base=8310e000  limit=00baffff
ds: sel=0107  base=8310e000  limit=00baffff
es: sel=0107  base=8310e000  limit=00baffff
fs: sel=00df  base=00013350  limit=0000ffff
gs: sel=0117  base=00000000  limit=0010ffff
ss: sel=0107  base=8310e000  limit=00baffff
App stack: [00ba4774..00aa4774]  Exceptn stack: [00aa417c..00aa223c]

Call frame traceback EIPs:
  0x007bbdc8
  0x007a5295
  0x0079bb17


go32's output:


go32/v2 version 2.0 built Dec 24 2001 21:25:02
Usage: go32 coff-image [args]
Rename this to go32.exe only if you need a go32 that can run v2 binaries as
 well as v1 binaries (old makefiles).  Put ahead of the old go32 in your PATH
 but do not delete your old go32 - leave it in the PATH after this one.
Set GO32_V2_DEBUG=y in the environment to get verbose output.

DPMI memory available: 25832 Kb
DPMI swap space available: 6232 Kb

My CONFIG.SYS (only loads my CD-ROM):


REM device=\bpcdrom\bpcddrv.sys /d:bpcddrv$
DEVICEHIGH=C:\WINDOWS\COMMAND\DRVSPACE.SYS /MOVE

My AUTOEXEC.BAT:

SET SOUND=C:\PROGRA~1\CREATIVE\CTSND
SET MIDI=SYNTH:1 MAP:E
SET BLASTER=A220 I5 D1 H1 P330 T6 


If it helps further, here is what running GDB on CC1.EXE gets:

GNU gdb (GDB) 7.4
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=i586-pc-msdosdjgpp --target=djgpp".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from C:\DJGPP\LIBEXEC\GCC\DJGPP\4.62\CC1.EXE...(no debugging sym
bols found)...done.
(gdb) run
Starting program: C:\DJGPP\LIBEXEC\GCC\DJGPP\4.62\CC1.EXE

Program received signal SIGILL, Illegal instruction.
0x007bbdc8 in ?? ()
(gdb) bt
#0  0x007bbdc8 in ?? ()
#1  0x007a5295 in ?? ()
#2  0x0079bb17 in ?? ()
#3  0x00001c36 in ?? ()



I've hit a brick wall here. Everything else in the DJGPP distro seems to act sane, for the most part. too bad the most important part is refusing to work.

Any ideas? I've done done CPU checks and memtests, everything checks out OK.

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