Compiler - 32bit or 64bit?


 
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Operating Systems Solaris Compiler - 32bit or 64bit?
# 1  
Old 03-02-2010
Compiler - 32bit or 64bit?

Hi Gurus,

I need to check whether the compiler installed in my system supports 64bit compilation.

Server - Sun fire v490
OS - Solaris 5.9
Processor - Sparcv9 (64bit)
Install Directory - /opt/SUNWSpro
Compiler Model - Sun Forte C Compiler.

My development team is claiming that there are no files in /opt/SUNWspro/bin/sparcv9 directory.
Hence it doesn't support 64bit.

Can somebody help me out?

Thanks
HG
# 2  
Old 03-02-2010
Code:
$ echo "void foo(){}" >/tmp/foo.c
$ /opt/SUNWspro/bin/cc -c -m64 foo.c -o /tmp/foo.o
$ file /tmp/foo.o
/tmp/foo.o:	ELF 64-bit LSB relocatable AMD64 Version 1
$ ls -lL /opt/SUNWspro/lib/amd64
total 44
lrwxrwxrwx   1 root     root          33 juil. 28  2009 debugging.so -> ../../prod/lib/amd64/debugging.so
lrwxrwxrwx   1 root     root          21 juil. 28  2009 libblacs_openmpi.so -> libblacs_openmpi.so.1
lrwxrwxrwx   1 root     root          42 juil. 28  2009 libblacs_openmpi.so.1 -> ../../prod/lib/amd64/libblacs_openmpi.so.1
lrwxrwxrwx   1 root     root          20 juil. 28  2009 libcollectorAPI.so -> libcollectorAPI.so.1
lrwxrwxrwx   1 root     root          41 juil. 28  2009 libcollectorAPI.so.1 -> ../../prod/lib/amd64/libcollectorAPI.so.1
lrwxrwxrwx   1 root     root          14 juil. 28  2009 libCrun.so -> ./libCrun.so.1
lrwxrwxrwx   1 root     root          37 juil. 28  2009 libCrun.so.1 -> ../../prod/usr/lib/amd64/libCrun.so.1
lrwxrwxrwx   1 root     root          37 juil. 28  2009 libCstd.so -> ../../prod/usr/lib/amd64/libCstd.so.1
lrwxrwxrwx   1 root     root          37 juil. 28  2009 libCstd.so.1 -> ../../prod/usr/lib/amd64/libCstd.so.1
...

# 3  
Old 03-02-2010
I got the below output

Quote:
[!]root: /opt/SUNWspro/bin/cc -c -m64 /tmp/foo.c -o /tmp/foo.o
cc: Warning: illegal option -m64
# 4  
Old 03-02-2010
Old compiler releases were requiring a different option, try:
Code:
/opt/SUNWspro/bin/cc -c -xarch=v9 foo.c -o /tmp/foo.o
file /tmp/foo.o

# 5  
Old 03-02-2010
-m64 ist the gcc option for 64 bit. The corresponding option for the Sun Studio compiler is -xarch=v9.

Try:
Code:
/opt/SUNWspro/bin/cc -c -xarch=v9 foo.c -o /tmp/foo.o

# 6  
Old 03-02-2010
Quote:
Originally Posted by hergp
-m64 ist the gcc option for 64 bit.
-m64 is used too with current Sun C compilers:

Quote:
Originally Posted by Sun Studio cc manual page
COMPILING FOR 64-BIT PLATFORMS:
The way to specify compilation of a 32-bit or 64-bit binary has changed in this release. The -xarch option no longer carries an implicit memory model, 32-bit
ILP32 or 64-bit LP64, with each definition, and is now used only to specify the instruction set of the target processor.

Use the new -m32 and -m64 options to specify the memory model of the target compilation.
# 7  
Old 03-02-2010
Hi jlliagre & hergp,

I got the below output. Can i conclude that the compiler supports 64bit compilation?

Code:
 
[!]root: /opt/SUNWspro/bin/cc -c -xarch=v9 /tmp/foo.c -o /tmp/foo.o
 @ /
[!]root: file /tmp/foo.o
/tmp/foo.o:     ELF 64-bit MSB relocatable SPARCV9 Version 1
 @ /

Thanks
HG

---------- Post updated at 05:32 PM ---------- Previous update was at 05:28 PM ----------

Hi Jlliagre and hgerp,

I meant to say, i am concluding that it is supporting 64bit compilation....Thanks for your valuable inputs.

HG
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