On Fri, Aug 23, 2024 at 05:28:30PM -0400, Will Hawkins wrote:
> First,
>
> I am a huge fan of pahole (and friends). I volunteered to work on
> helping to edit the BTF spec for the IETF and so I've started to look
> more deeply at BTF and the tools.
>
> Second, I hope that what I am offering is being sent to the right place
> and is in the right format. I tried to follow what seems to be the
> "right thing" by looking at mailing list archives.
>
> This patch add supports to the btf_loader for subprogram (BTF_KIND_FUNC)
> linkages. For example,
>
> ```
> $ cat a.c
> static int x() {
> return 5;
> }
> $ gcc -gbtf -g -O0 -c a.c
> $ ~/code/pahole/build/pfunct -Fbtf --compile a.o
> int x(void) /* linkage=static */
> {
> return 0;
> }
> ```
So, I'm changing this to become:
$ ~/code/pahole/build/pfunct -Fbtf --compile a.o
static int x(void)
{
return 0;
}
As --compile is supposed to generate compileable code that is as much as
possible from the type information similar to the original code, ok?
Thanks!
- Arnaldo
> Sincerely,
> Will
>
> Will Hawkins (1):
> btf_loader: Support linkages for BTF subprograms
>
> btf_loader.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> --
> 2.45.2
>
>
