64 bit Porting Problem !!! Post: 302275047

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Operating Systems Linux SuSE 64 bit Porting Problem !!! Post 302275047 by skaushal.schip on Friday 9th of January 2009 04:21:55 AM

01-09-2009

Registered User

Hi Otheus,

You are right on the point that I want to know the architecture of the CPU. Doing "isainfo" on Solaris gives the CPU architecture but the command is not working on Linux. I also did "cat /proc/cpuinfo" but its not providing the architecture type which I could use in -march switch. Even in gcc manual i could not find the appropriate value.
To check the appropriate flags to get desired warnings I wrote a sample code which is as follows:

#include <iostream>

using namespace std;

int main()
{
unsigned long ul = ~1UL;
int i = 20,j;
int *ip = &i;
i = ul;
j = (int) ip;
return 1;
}

If I build the code on 64 bit machine I should get warnings for the following two lines:
i = ul;
j = (int) ip;
But when i copiled it with "gcc -c -m64 -Wall -Wmissing-prototypes" I am getting only one warning i.e. "warnings.cpp:11: warning: cast from pointer to integer of different size". I am not getting warning for long to int assignement for the line "i = ul;".
Could you suggest me something on this.

Regards,
Saurabh

skaushal.schip

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LEARN ABOUT DEBIAN

blockdiag

BLOCKDIAG(1)						      General Commands Manual						      BLOCKDIAG(1)

NAME

       blockdiag - generate block-diagram image file from spec-text file.

SYNOPSIS

       blockdiag [options] file

DESCRIPTION

       This manual page documents briefly the blockdiag commands.

       blockdiag is a program that generate block-diagram image file from spec-text file.

OPTIONS

       These  programs	follow	the  usual  GNU  command  line	syntax, with long options starting with two dashes (`-').  A summary of options is
       included below.	For a complete description, see the SEE ALSO.

       --version
	      show program's version number and exit

       -h, --help
	      Show summary of options

       -a, --antialias
	      Pass diagram image to anti-alias filter

       -c FILE, --config=FILE
	      read configurations from FILE

       -o FILE
	      write diagram to FILE

       -f FONT, --font=FONT
	      use FONT to draw diagram

       --fontmap=FONT
	      use FONTMAP file to draw diagram

       -s, --separate
	      Separate diagram images for each group

       -T TYPE
	      Output diagram as TYPE format

       --nodoctype
	      Do not output doctype definition tags (SVG only)

       --no-transparency
	      do not make transparent background of diagram (PNG only)

SEE ALSO

       The programs are documented fully by
       http://tk0miya.bitbucket.org/blockdiag/build/html/index.html

AUTHOR

       blockdiag was written by Takeshi Komiya <i.tkomiya@gmail.com>

       This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others).

								   May	9, 2011 						      BLOCKDIAG(1)