Re: Writable global section?

• Next message: Teodor Iacob: "2.4.1[89] Warning - running *really* short on DMA buffers .. and crash"
• Previous message: Steven Cole: "2.5.41-bk2 yet another $SLEEPING at mm/slab.c:1374 report"
• In reply to: Richard B. Johnson: "Re: Writable global section?"
• Next in thread: Brian Gerst: "Re: Writable global section?"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

"Richard B. Johnson" <root@chaos.analogic.com> writes:

|> Well, yes I found out.. This anomaly with the assembler.....
|>
|> .section .data
|> .global pars
|> .type pars,@object
|> .size pars,4
|> .align 4
|> pars: .long 0
|> .end
|>
|>
|> I accidentally left out .size, guess what? Even though I had an
|> offset recognized and a ".long", initialized to 0, there was no
|> space allocated and therefore the seg-fault. I would have seen
|> this, but the problem doesn't exist if the ".section" is ".bss",
|> the first section I was messing with. Go figure?

I think this problem only exists on platforms with COPY relocations.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

• Next message: Teodor Iacob: "2.4.1[89] Warning - running *really* short on DMA buffers .. and crash"
• Previous message: Steven Cole: "2.5.41-bk2 yet another $SLEEPING at mm/slab.c:1374 report"
• In reply to: Richard B. Johnson: "Re: Writable global section?"
• Next in thread: Brian Gerst: "Re: Writable global section?"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:31 EST