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Date: Wed, 03 Mar 1999 12:16:08 -0500
To: djgpp AT delorie DOT com
From: Paul Derbyshire <pderbysh AT usa DOT net>
Subject: Re: Generating Machine Code on the fly
In-Reply-To: <36D97D05.C4440EED@unb.ca>
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Reply-To: djgpp AT delorie DOT com

At 01:29 PM 2/28/99 -0400, you wrote:
>char *codehere;     /*void*, char* or what*/
>codehere=(char *)malloc(100);    /* 100 bytes of code memory */
>codehere[0]=0xc3;    /*just perform a ret operation for now*/
>asm(
>    "call %%ebx"    /* no comma after this */
>    : /*no ouputs*/
>    : b (codehere)   );

Why %ebx? Why not let the compiler choose?

And won't this clobber %eax with output if the "codehere" code returns a
value?

-- 
   .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
-()  <  circles, and bark is not smooth, nor does lightning travel in a
   `*'  straight line."    -------------------------------------------------
        -- B. Mandelbrot  |http://surf.to/pgd.net
_____________________ ____|________     Paul Derbyshire     pderbysh AT usa DOT net
Programmer & Humanist|ICQ: 10423848|