Hi,
I've a problem insmoding the hello-? Modules in the "Linux kernel
programming guide" by Peter Jay,
On CentOS(2.6.9-34), I compiled the code successfully, but I had the
error "No module found in object"
On Knoppix (Linux Knoppix 2.6.12 #2 SMP Tue Aug 9 23:20:52 CEST 2005
i686 GNU/Linux),
I also compiled the code successfully, I got the error "insmod: error
inserting './hello-4.o': -1 Invalid module format"
These are the files I use
################################################################
/* hello 4.c Demonstrates module documentation. */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
int init_hello_3(void);
void cleanup_hello_3(void);
static int init_hello_4(void) { printk(KERN_ALERT "Hello, world 4\n");
return 0; }
static void cleanup_hello_4(void) { printk(KERN_ALERT "Goodbye, world
4\n"); }
module_init(init_hello_4);
module_exit(cleanup_hello_4);
################################################################
TARGET := hello-4
WARN := -W -Wall -Wstrict-prototypes -Wmissing-prototypes
INCLUDE := -isystem /lib/modules/`uname -r`/build/include -isystem
/KNOPPIX/usr/src/linux-2.6.12/include/asm-i386/mach-default
CFLAGS := -O2 -DMODULE -D__KERNEL__ ${WARN} ${INCLUDE}
CC := gcc
${TARGET}.o: ${TARGET}.c
.PHONY: clean
clean:
rm -rf ${TARGET}.o
################################################################
I was able to compile and insmod the above module on Knoppix (kernel
version is 2.4.21)!
Please advise.
Regards,
Ali Yakout
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