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From:	Claude Freeman <sdoom4 AT gmail DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: CC1.EXE/GCC.EXE crashes with SIGILL, hard.
Date:	Wed, 14 Mar 2012 15:33:45 -0700 (PDT)
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On Wednesday, March 14, 2012 1:16:54 PM UTC-5, Andris Pavenis wrote:
> On 14.3.2012 2:36, Claude Freeman wrote:
> > 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
> I only verified build on Core2 where I built
> (I do not have anything older). Still had
> build directory on 1Tb USB drive so:
> 
> 1) bfdsymify gives
> 
> 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 
> --disabl
> e-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 init_vectorized_lexer+141, file insn-recog.c
>    0x007a5295 __main+53, file d0008.S
>    0x0079bb17 __crt1_startup+143, file unwind-dw2-fde.c
> 
>  From GDB one gets:
> 
> (gdb) disass init_vectorized_lexer
> Dump of assembler code for function init_vectorized_lexer:
>     0x007bbd3b <+0>:        push   %ebp
>     0x007bbd3c <+1>:        mov    %esp,%ebp
>     0x007bbd3e <+3>:        push   %esi
>     0x007bbd3f <+4>:        push   %ebx
>     0x007bbd40 <+5>:        sub    $0x10,%esp
>     0x007bbd43 <+8>:        lea    -0x14(%ebp),%ebx
>     0x007bbd46 <+11>:        lea    -0x10(%ebp),%eax
>     0x007bbd49 <+14>:        lea    -0xc(%ebp),%esi
>     0x007bbd4c <+17>:        push   %esi
>     0x007bbd4d <+18>:        mov    %ebx,%ecx
>     0x007bbd4f <+20>:        push   %eax
>     0x007bbd50 <+21>:        mov    %ebx,%edx
>     0x007bbd52 <+23>:        mov    $0x1,%eax
>     0x007bbd57 <+28>:        movl   $0x0,-0x10(%ebp)
>     0x007bbd5e <+35>:        movl   $0x0,-0xc(%ebp)
>     0x007bbd65 <+42>:        call   0x7bbcd8 <__get_cpuid>
>     0x007bbd6a <+47>:        pop    %edx
>     0x007bbd6b <+48>:        test   %eax,%eax
>     0x007bbd6d <+50>:        pop    %ecx
>     0x007bbd6e <+51>:        je     0x7bbd9b <init_vectorized_lexer+96>
>     0x007bbd70 <+53>:        mov    $0x615855,%edx
>     0x007bbd75 <+58>:        testb  $0x10,-0xe(%ebp)
>     0x007bbd79 <+62>:        jne    0x7bbdcb <init_vectorized_lexer+144>
> ---Type <return> to continue, or q <return> to quit---
>     0x007bbd7b <+64>:        mov    -0xc(%ebp),%eax
>     0x007bbd7e <+67>:        mov    $0x6157e4,%edx
>     0x007bbd83 <+72>:        test   $0x4000000,%eax
>     0x007bbd88 <+77>:        jne    0x7bbdcb <init_vectorized_lexer+144>
>     0x007bbd8a <+79>:        test   $0x2000000,%eax
>     0x007bbd8f <+84>:        mov    $0x615779,%edx
>     0x007bbd94 <+89>:        mov    $0x6153eb,%eax
>     0x007bbd99 <+94>:        jmp    0x7bbdc8 <init_vectorized_lexer+141>
>     0x007bbd9b <+96>:        mov    %ebx,%ecx
>     0x007bbd9d <+98>:        mov    %ebx,%edx
>     0x007bbd9f <+100>:        mov    $0x80000001,%eax
>     0x007bbda4 <+105>:        push   %esi
>     0x007bbda5 <+106>:        push   %ebx
>     0x007bbda6 <+107>:        call   0x7bbcd8 <__get_cpuid>
>     0x007bbdab <+112>:        pop    %edx
>     0x007bbdac <+113>:        test   %eax,%eax
>     0x007bbdae <+115>:        pop    %ecx
>     0x007bbdaf <+116>:        mov    $0x6153eb,%edx
>     0x007bbdb4 <+121>:        je     0x7bbdcb <init_vectorized_lexer+144>
>     0x007bbdb6 <+123>:        mov    -0xc(%ebp),%eax
>     0x007bbdb9 <+126>:        and    $0x408000,%eax
>     0x007bbdbe <+131>:        cmp    $0x408000,%eax
>     0x007bbdc3 <+136>:        mov    $0x615779,%eax
>     0x007bbdc8 <+141>:        cmove  %eax,%edx
> ---Type <return> to continue, or q <return> to quit---
>     0x007bbdcb <+144>:        mov    %edx,0x9bd110
>     0x007bbdd1 <+150>:        lea    -0x8(%ebp),%esp
>     0x007bbdd4 <+153>:        pop    %ebx
>     0x007bbdd5 <+154>:        pop    %esi
>     0x007bbdd6 <+155>:        pop    %ebp
>     0x007bbdd7 <+156>:        ret
> End of assembler dump.
> (gdb)
> 
> According to http://en.wikipedia.org/wiki/X86_instruction_listings
> instruction CMOVE is added in Pentium Pro, so Pentium MMX
> does not have it
> 
> So it seems that specifying host machine does not seem to be sufficient
> any more (even it shoud be sufficient). I had:
> 
> build=i586-pc-msdosdjgpp
> host=i586-pc-msdosdjgpp
> target=i586-pc-msdosdjgpp
> 
> in generated Makefile in directory gcc for stage 3.
> 
> It seems that all 4.6.X versions have the same problem (I checked
> disassembler output for 4.6.0). Currently I can only suggest to
> try older version (for example some 4.5.X,
> 4.4.X, etc).  It would be nice to get
> feedback about results.
> 
> Andris

well, don't that beat all. I bet that's the problem! I'll stil do the dissass and see what comes up, but if it's like last time, it actually gave me a protection fault trying to access that instruction. 

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