Hi Todd
> > movl 12(%eax), %eax
> So I could do something like this?
>
> i := integer(@TSparseList(nil).FList);
> movl i(%eax), %eax
Unfortunately, no. You'd get the offset you want, but you can only use
constants in inline assembler, and I don't think delphi or freepascal
will consider your previous line to be a valid constant.
So you'd need to write some code to determine all your offsets and then
set up constants for them all.
> The x86_64 version of FPC doesn't seem to like the BASM
> syntax, otherwise I wouldn't touch it. Or at least I can't
> figure out how to force FPC to compile it. The directive
> {$asmmode intel} doesn't seem to work.
Bugger - especially as their x86 BASM syntax already supports the
structure member offset extension. And from the (somewhat terse)
freepascal documentation, I don't think there is an equivalent in AT&T
syntax.
What kind of error messages are you getting? In 64-bit assembler, all
the registers commonly have different names (e.g. rax as opposed to to
eax). Maybe their assembler is fussy about that sort of thing?
Is the x86_64 not support intel syntax a known limitation of freepascal?
It's not mentioned on the site anywhere I can see.
Cheers,
Paul.
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