On Thu, 24 Oct 2019 at 19:20, drug via D.gnu <d.gnu@puremagic.com> wrote:
>
> On 10/24/19 8:01 PM, Iain Buclaw wrote:
> > You can do the following:
> >
> > void somefunc()
> > {
> > asm {
> > "990: nop" ~
> > ".pushsection .note.stapsdt,\"?\",\"note\"" ~
> > ".balign 4" ~
> > ".4byte 992f-991f, 994f-993f, 3" ~
> > "991: .asciz \"stapsdt\"" ~
> > "992: .balign 4" ~
> > "993: .8byte 990b" ~
> > ".8byte _.stapsdt.base" ~
> > ".8byte 0" ~
> > ".asciz \"myapp\"" ~
> > ".asciz \"func_call\"" ~
> > ".asciz \"%n[_SDT_S1]@%[_SDT_A1] %n[_SDT_S2]@%[_SDT_A2]\"" ~
> > "994: .balign 4" ~
> > ".popsection\n"
> > :: [_SDT_S1] "n" (4),
> > [_SDT_A1] "nor" ((a)),
> > [_SDT_S2] "n" (4),
> > [_SDT_A2] "nor" ((b))
> > } // <= line 26
> > }
> >
> > The instruction string can be generated at CTFE.
> >
> Unfortunately I doesn't work https://godbolt.org/z/ly2yBT
> ```
> source/app.d:26:3: error: expression expected, not '}'
> ```
>
That's correct, because I forgot the semicolon (the hint is in the
latter message: found 'EOF' when expecting ';').
>From what little information I'm going off on that macro, it seems
that you want it to do something like the following:
https://explore.dgnu.org/z/TtTcij
--
Iain
