Messages in this thread | | | Date | Tue, 04 Dec 2001 09:42:38 -0700 | From | "Tyler BIRD" <> | Subject | Re: Insmod problems |
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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
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