Re: netbsd-3-0 build failure

[Gunther Nikl <gni%gecko.de@localhost>]

On Fri, Feb 10, 2006 at 12:41:59AM +0100, Anders Lindgren wrote:
> #   compile  GENERIC/if_x25subr.o
> /usr/build/tools.amiga/bin/m68k--netbsdelf-gcc -pipe -m68060 -Wa,-m68030 
> -Wa,-m68851 -msoft-float -ffreestanding
> -pipe -Werror -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith 
> -Wmissing-prototypes -Wstrict-prototypes -Wno-sign-compare 
> -fno-zero-initialized-in-bss -Damiga -DFPCOPROC -I. -I/usr/src/sys/arch 
> -I/usr/src/sys -nostdinc
> -DDRACO -DM68060 -DM68040 -DM68030 -DM68020 -DLKM -DMAXUSERS=8 -D_KERNEL 
> -D_KERNEL_OPT -I/usr/src/sys/dist/ipf -c 
> /usr/src/sys/netccitt/if_x25subr.c
> /usr/src/sys/netccitt/if_x25subr.c: In function `x25_ifinput':
> /usr/src/sys/netccitt/if_x25subr.c:218: error: inconsistent operand 
> constraints in an `asm'

[snip]

> ..in /usr/src/sys/arch/amiga/include/mtpr.h, meaning the culprit should be 
> in /usr/src/sys/arch/m68k/include/asm_single.h:43:
> 
> #define single_inst_bset_b(var, bit)    \
>         __asm __volatile ("orb %1,%0"   \
>                 : "=m" (var)            \
>                 : "di" ((u_char)bit), "0" (var))
> 
> ..and this is where I stop, since I don't speak m68k assembly. :-)
> 
> Ideas? The file asm_single.h doesn't appear to have changed since at least
> 2005-12-24 according to cvs log...

Maybe this was unused before. Or the compiler has changed. Which GCC version
are you using? According to the compiler the asm constraints are invalid.
Unfortunately I can't tell you what exactly the error is :-/

On Mon, Feb 13, 2006 at 03:15:27PM +0100, Ignatios Souvatzis wrote:
> Looks to me like a toolchain problem of some sort. The assembler stuff
> in question is the _target_ machine's assembler (as you rightly 
> assumed) and hasn't changed.

The bug was present before but the compiler didn't catch it - its an
extended asm bug and thus a compiler problem.

Gunther