Subject: Re: CVSUp or Modula3 boot or errno in assemble
From: Christopher Faylor <[email-masked]>
To: "Andrew G. Tereschenko" <[email-masked]>
Cc: [email-masked]
Date: Wed, 25 Apr 2001 10:52:21 -0400

Please check out the project web page for links to available information
and ports:  http://cygwin.com/ .

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On Wed, Apr 25, 2001 at 02:50:50PM +0300, Andrew G. Tereschenko wrote:
>Thanks Christopher for fast answer,
>
>But you miss two lines:
>3. Is there any __easy__ way to get out errno error
>...
>(fixing assemble is not good idea for me)
>
>:o(
>
>I don't think that i'm capable in changing asm becouse
>i can miss some registers and program will be able to fail anytime.
>
>Is it possible to make one call to errno() and use
>this addr anywhere in program (i'm not familar with Cygwin design) ??
>Note: Modula3 compiled program (CVSup) can have fork -
>i.e. process ID can change, but compiler don't have it.
>
>> -----Original Message-----
>> From: [email-masked]
>> [mailto:[email-masked]]On Behalf Of Christopher Faylor
>> Sent: Wednesday, April 25, 2001 3:35 AM
>> To: Cygwin Users List
>> Subject: Re: CVSUp or Modula3 boot or errno in assemble
>>
>>
>> On Wed, Apr 25, 2001 at 03:22:26AM +0300, Andrew G. Tereschenko wrote:
>> >As for C/C++ i can understand that define can overcome
>> >incompartibility - but that to do with code like this one ?
>> >
>> >	leal -1040(%ebp),%edx
>> >	movl %edx,-8(%ebp)
>> >	.stabd 68,0,104
>> >	.stabd 68,0,110
>> >	cmpl $0,-12(%ebp)
>> >	jg L35
>> >	.stabd 68,0,111
>> >	cmpl $22,_errno <-- FAULT HERE
>> >	jne L36
>> >	.stabd 68,0,112
>> >	xorl %eax,%eax
>> >	jmp L34
>> >	.align 4,0x90
>>
>> What you do is type "info gcc" and look for the discussion on asm.
>> In particular, you need to study how to use input and output
>> operands.
>>
>> The heading in the gcc info file is:
>>
>> Assembler Instructions with C Expression Operands
>>
>> cgf
>>
>
>=============================
>Andrew G. Tereschenko
>Software Engineer
>Integrated Banking Information Systems
>[email-masked]
>

-- 
[email-masked]                        Red Hat, Inc.
http://sources.redhat.com/            http://www.redhat.com/

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