Re: static initializer

Hi David,
Actually I have disabled the use of linker command file and used EPPC 
linker in Codewarrior setup the linker settings. Can you tell me how 
I can access the map file?

Thanks,
Lei


--- In [email protected], David Wybo <realtimeconsultants@c...> 
wrote:
>
> Lei,
> 
> What does the map file say about which liker section those 
variables are 
> in? Do you have that linker section explicitly specified in your 
linker 
> command file?
> 
> coles555 wrote:
> 
> >Hey guys,
> >I have been stuck with this particular problem for quite some time 
> >now. I would really appreciate any help. I have been working with 
the 
> >PB555 board using Codewarrior. I have modified the initialization 
> >files so that the code/variables would be located within the 
MPC555 
> >memory space. However, for some reason the _ctors and _dtors 
doesn't 
> >go inside the code/variable memory range I have specified. Is 
there 
> >something special about the _ctors and _dtors variable? I don't 
> >understand why all the other variables are within the memory range 
I 
> >have specified but those are not. _ctors and _dtors are used for 
> >calling static initializers and destructor function. Below is the 
> >block of code that uses _ctors for static initializer. According 
to 
> >the debugger, _ctors locates in memory address 0x00405340, which 
is 
> >outside of the memory range for PB board. So Codewarrior gives me 
a 
> >machine check exception.
> >
> >	/*
> >	 *	call static initializers
> >	 */
> >	for (constructor = _ctors; *constructor; constructor++) {
> >003FA45C: 3C600040  lis      r3,64
> >003FA460: 3BE35340  addi     r31,r3,21312
> >003FA464: 48000014  b        __init_cpp+0x28 (0x3fa478)
> >		(*constructor)();
> >003FA468: 819F0000  lwz      r12,0(r31)
> >003FA46C: 7D8903A6  mtctr    r12
> >003FA470: 4E800421  bctrl
> >	}
> >003FA474: 3BFF0004  addi     r31,r31,4
> >003FA478: 801F0000  lwz      r0,0(r31)
> >003FA47C: 28000000  cmplwi   r0,0x0000
> >003FA480: 4082FFE8  bne      __init_cpp+0x1c (0x3fa468)
> >
> >}
> >003FA484: 83E1000C  lwz      r31,12(SP)
> >003FA488: 80010014  lwz      r0,20(SP)
> >003FA48C: 7C0803A6  mtlr     r0
> >003FA490: 38210010  addi     SP,SP,16
> >003FA494: 4E800020  blr
> >
> >Any help would be greatly appreciated!
> >Lei
> >
> >
> >
> >
> >
> >
> >-----------------------------------------------------------
> >To learn more about Freescale Microcontrollers, please visit
> >http://www.freescale.com/mcu
> >
> >
> > 
> >Yahoo! Groups Links
> >
> >
> >
> > 
> >
> >
> >
> >
> >
> >
> >  
> >
> 
> -- 
> David Wybo                    mailto:david.wybo@r...
> RealTime Consultants, Inc.    Phone: 248.345.6160
> www.realtimeconsultantsinc.com
>






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