oh it feels like you can t call it directly but maybe via a dlopen/dlsym sort of mechanism. getting complicated :) but we ll see.

new attempt

@phosek done
@vitalybuka almost there :) what about ?

advices from vitalybuka

AH did not notice your comment do you still want me to move back to the other diff ?

• advices from vitalybuka.

ah right your changes make sense

Not sure I really get the fuzzer failure, what s going on about gtest ?

ping :)

changes from feedback

sure why not will do it.

next step would be the tlssize.

In D112866#3115965, @yln wrote:

Note, I am getting the following warning when compiling your patch:

compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp:559:36: warning: value size does not match register size specified by the constraint and modifier [-Wasm-operand-widths]
  asm("mrs %0, tpidrro_el0" : "=r"(segbase));
                                   ^
compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp:559:12: note: use constraint modifier "w"
  asm("mrs %0, tpidrro_el0" : "=r"(segbase));
           ^~
           %w0

In D112866#3115965, @yln wrote:

Note, I am getting the following warning when compiling your patch:

compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp:559:36: warning: value size does not match register size specified by the constraint and modifier [-Wasm-operand-widths]
  asm("mrs %0, tpidrro_el0" : "=r"(segbase));
                                   ^
compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp:559:12: note: use constraint modifier "w"
  asm("mrs %0, tpidrro_el0" : "=r"(segbase));
           ^~
           %w0

LGTM

ping :)