From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <51ec0cc7d9a6045ecc67de893a082d6c@collyer.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] pointer to the last TOS
Date: Thu,  2 Mar 2006 17:54:58 -0800
From: geoff@collyer.net
In-Reply-To: <308c5cd1e1d85ace80c202f90e490d44@coraid.com>
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Another way to see the stack-manipulation instructions is to look at
the output of 8l -a; here's the start of it using Brantley's example:

: cpu; 8l -a t.8|p
001020 	(776)	TEXT	put+0(SB),$12
001020 83ec0c	(776)	SUBL	$12,SP
001023 b80c690000	(778)	MOVL	$.string<1>+0(SB),AX
001028 890424	(778)	MOVL	AX,(SP)
00102b 8b442410	(778)	MOVL	x+16(FP),AX
00102f 89442404	(778)	MOVL	AX,4(SP)
001033 e86e010000	(778)	CALL	,11a6+print
001038 83c40c	(778)	ADDL	$12,SP
00103b c3	(778)	RET	,
00103c 	(782)	TEXT	main+0(SB),$16
00103c 83ec10	(782)	SUBL	$16,SP
00103f b102	(786)	MOVB	$2,CX
001041 0fbec1	(787)	MOVBLSX	CX,AX
001044 890424	(787)	MOVL	AX,(SP)
001047 b803000000	(787)	MOVL	$3,AX
00104c 89442404	(787)	MOVL	AX,4(SP)
001050 e8cbffffff	(787)	CALL	,1020+put
001055 83c410	(787)	ADDL	$16,SP
001058 c3	(787)	RET	,