[M3devel] more assembly symbols please?

Tony Hosking hosking at cs.purdue.edu
Sun Jan 20 00:46:59 CET 2008


Which linker are you using?  Could that be a factor?

On Jan 19, 2008, at 1:49 PM, Jay wrote:

> Thanks. m3cg -y for full tracing also dumps relevant stuff at the end.
> I'll try m3cgcat too. I should just be able to build/run an NT386  
> version.
> My C tracing does "prove" the problem is RTHeapInfo, but I still  
> haven't figured out why.
> I've started skimming the code that builds that data...still a ways  
> off from solving this I think.
> I have some suspicion the linker is moving things around that were  
> otherwise correct, but I am far from proving that or fixing it.
> I'd like to first verify that the "m3front" / m3cg output is correct.
> The lack of labels in the as actually is a counter point to the  
> movement theory, hard for linker to get a handle on anything to  
> move around, it's just one blob.
>
>  - Jay
>
>
>
> > CC: m3devel at elegosoft.com
> > From: hosking at cs.purdue.edu
> > Subject: Re: [M3devel] more assembly symbols please?
> > Date: Sat, 19 Jan 2008 12:33:08 -0500
> > To: jayk123 at hotmail.com
> >
> > Take a look at the .mc intermediate code output if you want to see
> > that section of the data. There are at least comments. Use m3cgcat -
> > binary < x.mc > x.mo to view it (You can run m3cgcat on any other  
> CM3
> > install).
> >
> > On Jan 19, 2008, at 6:02 AM, Jay wrote:
> >
> > > Any chance the m3cg output could have, um, some symbols for the
> > > global data?
> > > It's kind of a pain to decode..
> > >
> > > The module/import info is ok a lot, lots of runtime links ok.
> > > I think the bad one might be RTHeapInfo but I have to decode the
> > > very bare of symbols assembly..
> > > or comments? Like for record fields?
> > > Still thinking of sticking a call out to C code...Even
> > > OutputDebugString since RTIO isn't working...
> > >
> > > I looked through the m3cg --help, didn't find anything.
> > >
> > > Tony?
> > >
> > > _MM_RTHeapInfo:
> > > 0 .long _L_1+224
> > > 4 .long _MM_RTHeapInfo+52
> > > 8 .long _MM_RTHeapInfo+308
> > > 12,16 .space 8
> > > 20 .long _L_1+152
> > > 24 .space 4
> > > 28 .long _L_1+220
> > > 32 .long _L_1+220
> > > 36 .long _MM_RTHeapInfo+160
> > > 40 .space 4
> > > .long _RTHeapInfo_M3
> > >
> > > I get to count out to 160 bytes from here..:
> > >
> > > _L_1:
> > > 0 .byte 48
> > > 1 .byte 49
> > > 2 .byte 50
> > > 3 .byte 51
> > > 4 .byte 52
> > > 5 .byte 53
> > > 6 .byte 54
> > > 7 .byte 55
> > > 8 .byte 56
> > > 9 .byte 57
> > > a .byte 97
> > > b .byte 98
> > > c .byte 99
> > > d .byte 100
> > > e .byte 101
> > > f .byte 102
> > > 10 .long _RTHooks__TextLitInfo
> > > 14 .long _RTHooks__TextLitGetChar
> > > 18 .long _RTHooks__TextLitGetWideChar
> > > 1c .long _RTHooks__TextLitGetChars
> > > 20 .long _RTHooks__TextLitGetWideChars
> > > 24 .long 2
> > > 28 .long _L_1+16
> > > 2c .long 7
> > > 30 .ascii "shownew"
> > > 37 .space 1
> > > 38 .long 2
> > > 3c .long _L_1+16
> > > 40 .long 6
> > > 44 .ascii "update"
> > > 4a .space 2
> > > 4c .ascii "RTHeapInfo_M3"
> > > 50 .space 1
> > > .ascii "Init"
> > > .space 1
> > >
> > > I'll try the C code..
> > >
> > > - Jay
> > >
> > >
> > >
> > >
> > >
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> >
>
>
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