On 1/8/19 9:25 PM, Will Deacon wrote: >> An mmap/mprotect flag? > > I'm not aware of any precedent for arch-specific mmap/mprotect flags, but it > looks like PowerPC adds its own PROT bit for "Strong Access Ordering" so > something similar might be do-able for GP on arm64. > > However, if we anticipate that pages are either GP or !GP for the lifetime > of the mapping, I think your suggestions below relating to encoding this in > the ELF make more sense.
Even if the main usage is via ELF, you need the flag for ld.so to use when mmap'ing the file. r~ _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org https://lists.linaro.org/mailman/listinfo/linaro-toolchain
