Messages in this thread | | | Date | Tue, 4 Dec 2001 12:06:42 -0500 (EST) | From | Michael Zhu <> | Subject | Re: Insmod problems |
| |
I've define these two when I compile the module. The command line is:
gcc -D_KERNEL_ -DMODULE -c hello.c
--- Tyler BIRD <BIRDTY@uvsc.edu> wrote: > You need to define the __KERNEL__ and MODULE symbols > > #define __KERNEL__ > #define MODULE > > > >>> Nav Mundi <nmundi@karthika.com> 12/04/01 09:33AM > >>> > What are we doing wrong? - Nav & Michael > ************************************************** > > hello.c Source: > > #include "/home/mzhu/linux/include/linux/config.h" > /*retrieve the CONFIG_* macros */ > #if defined(CONFIG_MODVERSIONS) && > !defined(MODVERSIONS) > #define MODVERSIONS /* force it on */ > #endif > > #ifdef MODVERSIONS > #include > "/home/mzhu/linux/include/linux/modversions.h" > #endif > > #include "/home/mzhu/linux/include/linux/module.h" > > int init_module(void) { printk("<1>Hello, > world\n"); return 0; } > void cleanup_module(void) { printk("<1>Goodbye cruel > world\n"); } > > Output: > > #>gcc -D_KERNEL_ -DMODULE -c hello.c > > [This builds the hello.o file. ] > > #>insmod hello.o > > hello.o : unresolved symbol printk > hello.o : Note: modules without a GPL compatible > license cannot use > GPONLY_symbols > > > > > - > To unsubscribe from this list: send the line > "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at > http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
______________________________________________________ Send your holiday cheer with http://greetings.yahoo.ca - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |