On Tue, Feb 06, 2024 at 12:38:31PM +0000, Richard W.M. Jones wrote:
> Not sure if it helps but it seems these source files implement the
> plugin:
>
> https://github.com/AFLplusplus/AFLplusplus/blob/stable/instrumentation/afl-gcc-cmplog-pass.so.cc
> https://github.com/AFLplusplus/AFLplusplus/blob/stable/instrumentation/afl-gcc-cmptrs-pass.so.cc
> https://github.com/AFLplusplus/AFLplusplus/blob/stable/instrumentation/afl-gcc-pass.so.cc
>
> and this header:
>
> https://github.com/AFLplusplus/AFLplusplus/blob/stable/instrumentation/afl-gcc-common.h
>
> At a glance it seems like it uses a lot of APIs ...
From quick skimming, I've only noticed
set_decl_tls_model(
decl, (flag_pic ? TLS_MODEL_INITIAL_EXEC : TLS_MODEL_LOCAL_EXEC));
where flag_pic can change any time some option is added or removed from
*.opt files.
But, it doesn't seem correct either, I think it should use
set_decl_tls_model(decl, decl_default_tls_model(decl));
instead. Or call decl_default_tls_model(decl) and adjust the result
depending on what it will return.
Jakub
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