[M3devel] more crashers

[Tony Hosking]

Could this be endianness-related?

On 16 Aug 2009, at 15:21, Jay K wrote:

>
> I see the assertion failure on PPC_LINUX too.
> I tried VAR defaultStackSize := 1024 * 1024; (not sure why there was  
> any suspicion of stack size).
>
>
> Debugging doesn't work PPC_LINUX.
>
>
> jay at plin:/cm3/bin$ gdb ./cm3
> GNU gdb 6.8-debian
> Copyright (C) 2008 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> 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 "powerpc-linux-gnu"...
> break ma(gdb) break main
> Breakpoint 1 at 0x86fc4: file _m3main.mc, line 2.
> (gdb) r
> Starting program: /home/jay/cm3/bin/cm3
> Warning:
> Cannot insert breakpoint 1.
> Error accessing memory address 0x86fc4: Input/output error.
>
>
> No problem with C:
>
>
> jay at plin:/cm3/bin$ echo "main(){}"> 1.c
> jay at plin:/cm3/bin$ gcc -g 1.c
> jay at plin:/cm3/bin$ gdb ./a.out
> GNU gdb 6.8-debian
> Copyright (C) 2008 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> 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 "powerpc-linux-gnu"...
> (gdb) break main
> Breakpoint 1 at 0x10000448: file 1.c, line 1.
> (gdb) r
> Starting program: /home/jay/cm3/bin/a.out
> Breakpoint 1, main () at 1.c:1
> 1       main(){}
> (gdb)
>
>
> jay at plin:/cm3/bin$ gcc -gstabs+ 1.c
> jay at plin:/cm3/bin$ gdb ./a.out
> GNU gdb 6.8-debian
> Copyright (C) 2008 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> 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 "powerpc-linux-gnu"...
> (gdb) break main
> Breakpoint 1 at 0x10000448: file 1.c, line 1.
> (gdb) r
> Starting program: /home/jay/cm3/bin/a.out
> Breakpoint 1, main () at 1.c:1
> 1       main(){}
>
>
> jay at plin:/cm3/bin$ gcc -gstabs 1.c
> jay at plin:/cm3/bin$ gdb ./a.out
> GNU gdb 6.8-debian
> Copyright (C) 2008 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> 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 "powerpc-linux-gnu"...
> (gdb) break main
> Breakpoint 1 at 0x10000448: file 1.c, line 1.
> (gdb) r
> Starting program: /home/jay/cm3/bin/a.out
> Breakpoint 1, main () at 1.c:1
> 1       main(){}
> (gdb)
>
>
> - Jay
>
>
> ----------------------------------------
>> From: jay.krell at cornell.edu
>> To: m3devel at elegosoft.com
>> Subject: more crashers
>> Date: Sun, 16 Aug 2009 10:06:15 +0000
>>
>>
>> This is head on SOLgnu:
>> I'll try another and debug and see if fix is easy.
>>
>> -bash-3.00$ ./m3browser
>>
>> ***
>> *** runtime error:
>> *** Segmentation violation - possible attempt to dereference NIL
>> *** pc = 0xfe484f04 = String16_M3 + 0xe0 in ../src/text/String16.m3
>> ***
>>
>> -bash-3.00$ ./visobliq
>> Internal Obliq interpreter installed...
>> Establishing 'templates'
>> (Created frame 'templates')
>> let
>> Templates =
>> {boolean=> ... ,
>> browser=> ... ,
>> button=> ... ,
>> choice=> ... ,
>> filebrowser=> ... ,
>> form=> ... ,
>> frame=> ... ,
>> hscroll=> ... ,
>> menu=> ... ,
>> numeric=> ... ,
>> text=> ... ,
>> textedit=> ... ,
>> typein=> ... ,
>> video=> ... ,
>> vscroll=> ... }
>> Establishing 'vowidgets'
>> (Created frame 'vowidgets')
>> ok
>> Establishing 'vocheckpt'
>> (Created frame 'vocheckpt')
>> ok
>> Establishing 'volib'
>> (Created frame 'volib')
>> Segmentation Fault (core dumped)
>> -bash-3.00$
>>

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