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Re: kernel .text and .rodata

To: port-arm%netbsd.org@localhost
Subject: Re: kernel .text and .rodata
From: Masao Uebayashi <uebayasi%gmail.com@localhost>
Date: Thu, 6 Nov 2014 12:35:32 +0900

On Wed, Nov 5, 2014 at 4:02 PM, Masao Uebayashi <uebayasi%gmail.com@localhost> wrote:
> I thought most ports map .rodata as read, not read+executable.  It
> seems most ports still map .rodata as read+executable?  Even if so,
> excluding .rodata from the executable range might be beneficial for
> ddb, profiler, or some cases.

There are XN for arm, NX for x86.  Seems not widely used yet.

Follow-Ups:
- Re: kernel .text and .rodata
  - From: Matt Thomas

References:
- Re: kernel .text and .rodata
  - From: Matt Thomas
- Re: kernel .text and .rodata
  - From: Izumi Tsutsui
- Re: kernel .text and .rodata
  - From: Masao Uebayashi
- Re: kernel .text and .rodata
  - From: Dennis Ferguson
- Re: kernel .text and .rodata
  - From: Matt Thomas
- Re: kernel .text and .rodata
  - From: Masao Uebayashi

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