From: geoff@collyer.net
To: 9fans@cse.psu.edu
Subject: Re: [9fans] pointer to the last TOS
Date: Thu, 2 Mar 2006 17:54:58 -0800 [thread overview]
Message-ID: <51ec0cc7d9a6045ecc67de893a082d6c@collyer.net> (raw)
In-Reply-To: <308c5cd1e1d85ace80c202f90e490d44@coraid.com>
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 ,
next prev parent reply other threads:[~2006-03-03 1:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-02 14:57 Gorka guardiola
2006-03-02 15:23 ` Brantley Coile
2006-03-02 15:34 ` Gorka guardiola
2006-03-03 1:54 ` geoff [this message]
2006-03-02 15:24 ` Russ Cox
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