🚀 go-pugleaf

I am trying to adapt gcc to produce PIC code for our company's
proprietary OS, running on a motorola 68010.
The problem I have for the moment is related to initial values for
variables.
If the initial value is a pointer, this pointer has to be updated at
run-time, since we don't know the correct PIC address at compile-time.

The solution I would like to implement is:
When an initial value is found, and it is a pointer, I want to put
a label for the pointer-address, and then put the initial value for
the pointer.
Then I want to switch to a special section and put a pointer to the
pointer to be updated.

Then, at run-time, the special section would be read, and the 
pointers pointed to, will be updated to the proper PIC address.

Too complicated? Perhaps an example explains it better:

This simple c-code:

struct tabtype {int i; char *c;};
static struct tabtype a_table[] =
{
  {1, "Stina"},
  {2, "Karin"}
};

Generates this assembler-code:
	section 5
LC0:
	dc.b 'Stina',0
LC1:
	dc.b 'Karin',0
a_table:
	dc.l 1
	dc.l LC0
	dc.l 2
	dc.l LC1

This is what I would like it to generate:
	section 5
LC0:
	dc.b 'Stina',0
LC1:
	dc.b 'Karin',0
a_table:
	dc.l 1
PIC0:	dc.l LC0
	section 6
	dc.l PIC0
	section 5
	dc.l 2
PIC1:	dc.l LC1
	section6
	dc.l PIC1

Comments:
"section 5" is the data section
"section 6" is the new special section

Any ideas where to modify?

Thanks,

/Jan

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Jan Bengtsson
Ericsson Telecom AB		Email:   etxjben@iog.ericsson.se 
Tellusborsgv. 83-87		Memo:    eri.etx.etxjben         
126 25 Stockholm		Phone:   +46 8 719 5199          
				FAX:     +46 8 719 6482          
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