RFR(S): 8016696: PPC64 (part 4): add relocation for trampoline stubs

[John Rose]

On Jun 20, 2013, at 3:12 PM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:

> Hmm 'breakpoint_type'? I don't remember that and I only see one use place in MacroAssembler::safepoint() on sparc and that method is not used anymore.
> I build SPARC VM without breakpoint_Relocation class (commented out). Looks like we can remove this type.

If that relocation type doesn't occur in the sources (or any recent version of them), remove it.

Goetz, thank you for the interesting numbers.  They make it clear that the cost of the extra fillers is negligible, so I recommend that if or when we need more than 16 codes, just steal the bit from the offsets.

— John