Operating Systems Linux Gentoo compiling 32 bit application on 64 bit linux(x86_64) Post 302151018 by uttamhoode on Thursday 13th of December 2007 11:06:11 AM
compiling 32 bit application on 64 bit linux(x86_64)

hi all,
i have a 64 bit linux machine.

$uname -a
Linux SVRDELLD30 2.6.9-42.ELsmp #1 SMP Tue Aug 15 10:35:26 BST 2006 x86_64 x86_64 x86_64 GNU/Linux

here by default gcc creates 64 bit executable. but for some reason i want to create 32bit executable.

first i want to create 32 bit object files(.o files) and then i want to link those object files.

Please suggest me suitable gcc options.

Thanks and Regards,
uttam hoode
Test Your Knowledge in Computers #485
Difficulty: Medium
A computer operating system loads an executable file into a call stack on a hard disk.
True or False?

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STICKY(8)						      System Manager's Manual							 STICKY(8)

sticky - persistent text and append-only directories DESCRIPTION
The sticky bit (file mode bit 01000, see chmod(2)) is used to indicate special treatment for certain executable files and directories. STICKY TEXT EXECUTABLE FILES
While the `sticky bit' is set on a sharable executable file, the text of that file will not be removed from the system swap area. Thus the file does not have to be fetched from the file system upon each execution. Shareable text segments are normally placed in a least-fre- quently-used cache after use, and thus the `sticky bit' has little effect on commonly-used text images. Sharable executable files are made by the -n and -z options of ld(1). Only the super-user can set the sticky bit on a sharable executable file. STICKY DIRECTORIES
A directory whose `sticky bit' is set becomes an append-only directory, or, more accurately, a directory in which the deletion of files is restricted. A file in a sticky directory may only be removed or renamed by a user if the user has write permission for the directory and the user is the owner of the file, the owner of the directory, or the super-user. This feature is usefully applied to directories such as /tmp which must be publicly writable but should deny users the license to arbitrarily delete or rename each others' files. Any user may create a sticky directory. See chmod(1) for details about modifying file modes. BUGS
Since the text areas of sticky text executables are stashed in the swap area, abuse of the feature can cause a system to run out of swap. Neither open(2) nor mkdir(2) will create a file with the sticky bit set. 4th Berkeley Distribution May 26, 1986 STICKY(8)

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