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Accessing  32bit registers from C/C++ compilers in Lin

Posted on 2001-08-14
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Last Modified: 2010-04-21
Hai,

I have done C/C++ programming in DOS/WIN that access the 32 bit registers and performs operations on them.
I wan't to be able to do the same.

I wan't to directly load registers, and do shift operations.

Is it possible. (Suggest Lib's or code etc!)

I wan't to do this on intel celerons. (or any Intel bit 32 cpu for that matter).

Sincerely,
Bhaskar
Thanx for your time.
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Question by:absub1
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Author Comment

by:absub1
ID: 6385720
I don't mind if I have to be a previlaged user to do this. But I don't think that will be needed.
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Expert Comment

by:paulqna
ID: 6388502
Why don't you buy C++ for linux ?

General C++ and linux:
http://users.cyberelectric.net.au/%7Ecollins/
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Author Comment

by:absub1
ID: 6389160
paulgna, I have Linux and the c/c++ compilers also. I want awnser to question in my text. Plz read fully.

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by:paulqna
ID: 6390987
directly load registers, and do shift operations library code
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by:paulqna
ID: 6390990
Sorry for that last comment...
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Accepted Solution

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bryanh earned 100 total points
ID: 6399468
I don't know how you access 32 bit registers in C/C++ in DOS/WIN, so I don't necessarily know what you're asking for.

But in the GNU compiler, you can manipulate registers with assembler code embedded in an otherwise C or C++ program.  See <http://gcc.gnu.org/onlinedocs/gcc-3.0/gcc_5.html#SEC102>
.
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Expert Comment

by:rasaraja
ID: 6404927
U can use assembly language,registers eax,ebx are 32 bit ( e for enhanced ) .
so mov eax,(32 bit val) will work
Hope that helps.
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by:jmcg
ID: 9915925
No comment has been added lately, so it's time to clean up this TA.
I will leave the following recommendation for this question in the Cleanup topic area:

Accept: bryanh {http:#6399468}

Please leave any comments here within the next seven days.
PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!

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