Subject: Re: SH3 ELF
To: Hiroyuki Bessho <firstname.lastname@example.org>
From: Jason R Thorpe <email@example.com>
Date: 11/08/2000 11:48:41
[ I'm CC'ing this to tech-toolchain because it really belongs there. ]
On Thu, Nov 09, 2000 at 04:16:24AM +0900, Hiroyuki Bessho wrote:
> Previously I wrote NetBSD/sh3's ELF support is incomplete. Here is my
> proposal of fix.
> sys/sys/cdefs_elf.h has a code segment as follows:
> #if defined(__sh3__)
> #define _C_LABEL(x) __CONCAT(_,x)
> #define _C_LABEL(x) x
> This is because egcs puts underscores ('_') to C labels when object
> format is ELF for SH. For other CPUs, underscores are not prepended
> for ELF object format. I don't know why they do it in this manner.
...err, this seems broken. ELF is ELF, and as far as I know, the ELF
spec says "no prepending underscores".
> It seems to me that keeping consistent with other ports and not having
> prefix to C label is better and easier solution. I haven't tried to
> build the tree with such egcs configuration yet, but by quick research
> on LinuxSH mailing list, I found they have their own configuration not
> to put underscores to C label for SH3 ELF.
...sacarily enough, I'm in complete agreement with Linux on this one.
-- Jason R. Thorpe <firstname.lastname@example.org>