Seems like My link didn;'t paste in on the last message - http://www.tldp.org/LDP/lkmpg/2.6/lkmpg.pdf
On Fri, Aug 12, 2016 at 12:44 PM Matt M <[email protected]> wrote: > I actually found this, which was exactly what I needed. > > On Thu, Aug 11, 2016 at 4:50 PM Matt M <[email protected]> wrote: > >> Thank you >> >> On Thu, Aug 11, 2016 at 7:40 PM Greg KH <[email protected]> wrote: >> >>> On Thu, Aug 11, 2016 at 07:25:45PM +0000, Matt M wrote: >>> > I am just getting started with kernel module development, and I can't >>> get >>> > anything to compile. >>> > >>> > I get the following errors: >>> > >>> > In file included from main.c:1:0: >>> > /usr/src/linux/include/linux/init.h:142:13: error: expected ‘=’, ‘,’, >>> ‘;’, >>> > ‘asm’ or ‘__attribute__’ before ‘load_default_modules’ >>> > void __init load_default_modules(void); >>> > ^~~~~~~~~~~~~~~~~~~~ >>> > /usr/src/linux/include/linux/init.h:143:12: error: expected ‘=’, ‘,’, >>> ‘;’, >>> > ‘asm’ or ‘__attribute__’ before ‘init_rootfs’ >>> > int __init init_rootfs(void); >>> > ^~~~~~~~~~~ >>> > /usr/src/linux/include/linux/init.h:285:13: error: expected ‘=’, ‘,’, >>> ‘;’, >>> > ‘asm’ or ‘__attribute__’ before ‘parse_early_param’ >>> > void __init parse_early_param(void); >>> > ^~~~~~~~~~~~~~~~~ >>> > /usr/src/linux/include/linux/init.h:286:13: error: expected ‘=’, ‘,’, >>> ‘;’, >>> > ‘asm’ or ‘__attribute__’ before ‘parse_early_options’ >>> > void __init parse_early_options(char *cmdline); >>> > >>> > >>> > The errors go on and on, but the majority look like that. >>> > >>> > My code: >>> > >>> > #include <linux/init.h> >>> > #include <linux/module.h> >>> > >>> > int main() { >>> > return 0; >>> > } >>> > >>> > >>> > The compile command: >>> > gcc -I /usr/src/linux/include/ main.c >>> >>> That's not how you compile a Linux kernel module, sorry. >>> >>> Please read the very good documentation for how to set up a Makefile for >>> building a kernel module. It's in the kernel's Documentation/ >>> directory. >>> >>> best of luck, >>> >>> greg k-h >>> >>
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