Re: 3.2 PATCH: Major Solaris 2 configuration cleanup

[Daniel Jacobowitz <drow at mvista dot com>]

On Mon, May 27, 2002 at 07:33:26PM +0200, Rainer Orth wrote:
> This is an updated version of
> 
> 	http://gcc.gnu.org/ml/gcc-patches/2001-05/msg01977.html
> 
> moving Solaris 2 specific target configuration to a common config/sol2.h
> file.  Most of the comments in that message still apply.
> 
> Two additional notes are in order:
> 
> * I added -Di386 to the i386 CPP_PREDEFINES since Sun cc (WorkShop 6 Update
>   2) does so as well.
> 
> * Although the native i386 assembler handles -K PIC the same way sparc as
>   does, I've disabled it for now since that gives me many warnings from as:
> 
>   e.g., compiling a minimal hello.c, I get:
> 
>         "hello.s", line 3 : Warning: R_386_32 relocation is used for symbol ".text"
>         "hello.s", line 4 : Warning: R_386_32 relocation is used for symbol ".text"
>         "hello.s", line 62 : Warning: R_386_32 relocation is used for symbol "main"
>         "hello.s", line 101 : Warning: R_386_32 relocation is used for symbol ".text"
> 
>   where the lines are
> 
>         .stabs  "/homes/ro/src/c/test/",100,0,0,.Ltext0
>         .stabs  "hello.c",100,0,0,.Ltext0
> 
>         .stabs  "main:F(0,1)",36,0,5,main
> 
>         .stabs "",100,0,0,.Letext
> 
>   It looks like those stabs are incorrect: the `Stabs Interface' document
>   distributed with the Sun compilers (found in
>   /opt/SUNWspro/READMEs/stabs.ps) states that the value field of the N_SO
>   (0x64, 100) stabs is 0, likewise the Address field of the N_FUN (0x24,
>   36) stabs for ELF objects.

... which makes for a great deal of annoyance in GDB.  Please don't
change these stabs unless the GDB folks decide to globally enable the
workarounds for this behavior.


-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer