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Index > Compiler Internals > Bug when using BTC

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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 17287
Location: In your JS exploiting you and your system
revolution
This doesn't compile without error:
Code:
btc eax,6+8 ;<-- error: invalid operand.    
But the following is okay:
Code:
btc eax,14    
Post 20 Sep 2005, 09:30
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Tomasz Grysztar



Joined: 16 Jun 2003
Posts: 7725
Location: Kraków, Poland
Tomasz Grysztar
???
Works for me.
Post 20 Sep 2005, 10:23
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tango



Joined: 05 Apr 2004
Posts: 5
Location: Italy
tango
Quote:

???
Works for me.


For me too not works (same situation as revolution).. Confused
I use the version of september 12.
Post 20 Sep 2005, 10:38
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Tomasz Grysztar



Joined: 16 Jun 2003
Posts: 7725
Location: Kraków, Poland
Tomasz Grysztar
Sorry, but I'm not able to reproduce the bug. Please give more details about version and OS, and the minimum source that causes the problems.
Post 20 Sep 2005, 10:55
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tango



Joined: 05 Apr 2004
Posts: 5
Location: Italy
tango
Quote:

Sorry, but I'm not able to reproduce the bug. Please give more details about version and OS, and the minimum source that causes the problems.


Fasm 1.64 (12 sept) - WinXP HE SP2.
I've made some test.....
If i write:

btc [hinstance],ebx
btc eax,16+8
(hinstance is a dword)

this works, without error.

If i add, at the top:

btc ax,bx <-- added
btc ax,16+8 <-- added
btc [hinstance],ebx
btc eax,16+8 <-- ERROR

This give an error at the last line.. (invalid operand) Confused

Writing this 4 lines in different order:

btc [hinstance],ebx
btc eax,16+8
btc ax,bx
btc ax,16+8 <-- ERROR

This give an error at the last line.. (invalid operand) Confused
Maybe there is a bug in X86_64.inc, at the label 'bt_instruction:'..(?)
Post 20 Sep 2005, 11:57
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 17287
Location: In your JS exploiting you and your system
revolution
Code:
;minimal code
btc eax,6+8 ;Ok
btc eax,6+8 ;Ok
btc eax,6+8 ;Error.    
Post 20 Sep 2005, 12:12
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Tomasz Grysztar



Joined: 16 Jun 2003
Posts: 7725
Location: Kraków, Poland
Tomasz Grysztar
tango: thanks - this is what I call good bug report. Smile
It's fixed now.
Post 20 Sep 2005, 12:26
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tango



Joined: 05 Apr 2004
Posts: 5
Location: Italy
tango
Tomasz Grysztar wrote:
tango: thanks - this is what I call good bug report. Smile
It's fixed now.


Many thanks! Smile
Post 20 Sep 2005, 12:38
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