Message-Id: <m0zHT1V-000S4NC@inti.gov.ar>
Comments: Authenticated sender is <salvador AT natacha DOT inti DOT gov DOT ar>
From: "Salvador Eduardo Tropea (SET)" <salvador AT inti DOT gov DOT ar>
Organization: INTI
To: Endlisnis <s257m AT unb DOT ca>, djgpp AT delorie DOT com
Date: Fri, 11 Sep 1998 10:16:59 +0000
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Subject: Re: Bug in GCC?
In-reply-to: <35F83D75.B9359ABB@unb.ca>
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Endlisnis <s257m AT unb DOT ca> wrote:

> And this is what I get from the Disassembler window:
> 
> add__Fii (at t2.cc:8):
> 000015a0:  pushl  %ebp
> 000015a2:  inl    $0x8b,%eax
> 000015a4:  incl   %ebp
> 000015a5:  orb    %al,(%ebx)
> 000015a7:  incl   %ebp
> 000015a9:  leave
> 000015aa:  ret
> 
> As you can see, I'm not getting the function confused, the label is clearly
> visible, and it appear immediately before the main, in both asm and the deasm
> window.  AND the code does exactly what I want/expect it to do.  But it just
> doesn't look right from within RHIDE.  It seems to get confused and think:
> 	movl %esp,%ebp
> 	movl 8(%ebp),%eax
> 	addl 12(%ebp), %eax
> is:
> 	inl    $0x8b,%eax
> 	incl   %ebp
> 	orb    %al,(%ebx)
> 	incl   %ebp

Did you used the up arrow to scroll the window?
 
> 	Can somebody tell me what the hex-code for each one of those would be?  Also,
> turning off the "-m486" switch generates the EXACT same code for this
> function, but RHIDE seems to display it perfectly...???  Does it have anything
> to do with -m486 changing the alignment of functions so RHIDE gets confused
> and it's disassembler gets misaligned with the real code?

RHIDE uses the same routines used by FSDB, they fail to disassemble in 
reverse order. Aligning the code you reduce the probabilities of fails.

SET 
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