Re: [Qemu-devel] [patch] gcc4 host support

[Herbert Poetzl]

On Tue, May 17, 2005 at 09:46:30PM +0100, Paul Brook wrote:
> On Monday 16 May 2005 10:41, David Woodhouse wrote:
> > On Wed, 2005-05-11 at 22:04 +0100, Paul Brook wrote:
> > > My solution is to search the function for the "ret" instruction and
> > > replace them with a jmp to the next block of code. On RISC targets this
> > > would be easy.
> >
> > About this easy, in fact...
> >...
> > +
> > +           if (get32((uint32_t *)p) == 0x4e800020) {
> > +               blr_addr = p;
> > +               copy_size = p_end - p_start;
> > +               break;
> > +           }
> 
> You probably want to scan the whole function to check there aren't multiple 
> blr instructions, and throw an error if there are.

hmm, wouldn't it be much easier to separate compiling
from assembling, and do the 'changes' on the assembler
files instead?

just an idea ...

best,
Herbert

> Other than that it looks ok to me.
> 
> Paul
> 
> 
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