From owner-freebsd-java  Tue Nov 24 01:37:52 1998
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To: freebsd-java@FreeBSD.ORG
Subject: Re: shuJIT crash using Swing
In-reply-to: Your message of "Fri, 06 Nov 1998 08:19:51 PST."
             <199811061619.IAA18551@hub.freebsd.org>
Date: Tue, 24 Nov 1998 18:34:23 +0900
From: SHUDOH Kazuyuki <shudoh@muraoka.info.waseda.ac.jp>
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>>>>> On Fri, 6 Nov 1998 08:19:51 -0800 (PST)
>>>>> swindellsr@genrad.co.uk(Robert Swindells)  said:

> I think I have found why I was getting crashes when trying to use
> shuJIT with Swing.

I suppose that shuJIT which crash with Swing is compiled
from source code by yourself.

Source code of current shuJIT, specifically code.c is
too sensitive to register allocation by C compiler. I'd
like to fix this character of the code.

You can examine whether you are suffering this problem
or not by looking at disassembled code of code.o

% objdump code.o
  .....
00000000 <assembledCode>:
       0:       55              pushl  %ebp
       1:       89 e5           movl   %esp,%ebp
       3:       83 ec 0c        subl   $0xc,%esp
       6:       57              pushl  %edi
       7:       53              pushl  %ebx
       8:       e8 00 00 00 00  call   d <assembledCode+0xd>
  .....

You may be suffering if you find the line containing
  `pushl %esi'
around here.

> The method javax.swing.UIManager.initialize() makes an explicit call
> to java.lang.Compiler.disable().

I'll investigate this possibility, too.

SHUDO Kazuyuki/首藤一幸   私をたばねないで あらせいとうの花のように
  shudoh@muraoka.info.waseda.ac.jp

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