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32 bit - 64 bit

Posted on 2004-04-08
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Last Modified: 2013-12-06
Hi,
I am on a HP-UX 11.11.
How can i know if my machine is 32 bit or 64 bit?
If i create a exe in 64 bit, how can i verify that it is indeed 64 bits.
Thanks,
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Question by:pandey5
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liddler earned 125 total points
ID: 10782291
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by:sunnycoder
ID: 10782314
Hi pandey5,

liddler has posted the solution ... still take a look at
http://servdoc.sourceforge.net/docs/pod/ServDoc_0010hardware--hpux.pod.html

the script gives you little more info in a good format

Sunnycoder
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by:pandey5
ID: 10782335
Thanks for the answers, it completely answers my question. 1 more question though:
If i am linking many libraries in my application and not all are 64 bit, will the linker complain about 32 bit libs if i compile and link in 64 bit mode.
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Expert Comment

by:sunnycoder
ID: 10782348
pandey5,

yes ... 32 bit libraries cannot be linked with 64 bit code and 64 bit libraries cannot be linked with 32 bit code ...

both need to have same word length

Sunnycoder
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by:pandey5
ID: 10783323
One question, may be it is straight forward to you, when i am trying to create a shared library from the 64 bit compiled objects:
/opt/aCC/bin/aCC +DD64 -AA -D__HPACC_THREAD_SAFE_RB_TREE -mt -DRWSTD_MULTI_THREAD -DRW_MULTI_THREAD -D_REENTRANT -D_THREAD_SAFE -Wl,+n -Wl,+s -Wl,+k -Wl,+n -b -o ~/proj/bfebv30_1/lib/libbfebill.sl *.o

 i am getting the following error:
/usr/ccs/bin/ld: EB_GeneralInfo.o: Mismatched ABI. 64-bit PA object file found in 32-bit link.

How can i force it to do 64 bit linkage? I gave all the options i am supposed to give....
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by:sunnycoder
ID: 10789912
gcc provides some options for hardware specific configuration (including 64/32 bits) ...

Look into the hardware specific options and linking options subsection in the manual for your compiler to see the exact options available to you
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