GCC plugins problem

[Jonathan Wakely]

On Mon, 6 Jan 2020 at 06:57, Yu <17671260413@163.com> wrote:
>
> Hello,
>
> I have some questions about developing my own compiler plugin. I tried to develop it using riscv-gnu-toolchain(https://github.com/riscv/riscv-gnu-toolchain), but it couldn't find following header files.

Which header files? All of them? You've just shown a block of code,
without telling us the errors.

This question probably belongs on the gcc-help mailing list anyway.