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PowerPC linking error messages


Hi,

I am trying to get started with a crossgcc for an embedded PowerPC
(MPC555). I am stuck on these error messages: 

-----
/usr/bin/crossgcc/lib/gcc-lib/powerpc-eabi/3.0.3/../../../../powerpc-eabi/bin/ld:
warning: no memory region specified for section `.sdata2'
/usr/bin/crossgcc/lib/gcc-lib/powerpc-eabi/3.0.3/../../../../powerpc-eabi/bin/ld:
warning: no memory region specified for section `.got2'
/usr/bin/crossgcc/lib/gcc-lib/powerpc-eabi/3.0.3/../../../../powerpc-eabi/bin/ld:
warning: no memory region specified for section `.got'
/usr/bin/crossgcc/lib/gcc-lib/powerpc-eabi/3.0.3/../../../../powerpc-eabi/bin/ld:
warning: no memory region specified for section `.sdata'
/usr/bin/crossgcc/lib/gcc-lib/powerpc-eabi/3.0.3/../../../../powerpc-eabi/bin/ld:
main: Not enough room for program headers (allocated 2, need 3)
/usr/bin/crossgcc/lib/gcc-lib/powerpc-eabi/3.0.3/../../../../powerpc-eabi/bin/ld:
final link failed: Bad value
collect2: ld returned 1 exit status
-----

The last 2 I don't understand. What do they mean?
In checked the ld manual for sections but I didn't find any. Where could I
find a list of sections that gcc generates (sdata, got2,...)?

Here is my linker command file:
------
OUTPUT_FORMAT("coff-sh")

OUTPUT_ARCH(powerpc)

ENTRY(main)

PROVIDE(_stack = 0x1ffe00);

MEMORY 
{
 ram : o = 0 , l =  10k
}

SECTIONS 
{
	/* Code and constants */
	.text :
	{
		__text_start = .;
		*(.text)
		*(.strings)
		__text_end = .;
	} > ram
	/* Unitialized data */
	.bss : 
	{
		__bss_start = .;
		*(.bss)
		*(COMMON)
		__bss_end = .;
	} > ram
	/* Initialized data */
	.init : 
	{
		__data_start = .;
		*(.data)
		__data_end = .;
	} > ram
	/* Application stack */
	.stack :
	{
		__stack_start = .;
		*(.stack)
		__stack_end = .;
	} > ram
}
------

Thanks



Eddy





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