search for: __apcs_fpic

...and access them as RO rather than RW data. I have also prohibited using ROPI with C++ (the vtables and RTTI are read-only data, that must contain absolute pointers to other RO data), but this can be overridden with -fallow-unsupported. This also adds 3 new pre-defined macros for ARM targets: __APCS_FPIC __APCS_ROPI __APCS_RWPI They are defined when building code with the -fpic, -fropi and -frwpi options, respectively. __APCS_FPIC is also defined for AArch64 targets, but the other two are not supported for AArch64. These macros are not defined in the ACLE or any other standard, they are named...