[PATCH] D56828: [ELF] Make RW PT_LOAD start with PT_GNU_RELRO sections

Fri Mar 1 16:55:32 PST 2019

ruiu added a comment.

In D56828#1415833 <https://reviews.llvm.org/D56828#1415833>, @pcc wrote:

> So after this patch the layout will be
>
>   .data.rel.ro
>   .bss.rel.ro
>   .data
>   .bss
>
>
> ? That's valid I suppose, but I don't see how we avoid the extra mapping.

You can at least save on average one page of memory address space, as the last page of .data.rel.ro and the first page of .bss.rel.ro can be on the same page?

Repository:
  rLLD LLVM Linker

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  https://reviews.llvm.org/D56828/new/

https://reviews.llvm.org/D56828