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asm-offsets.c

/*
 * This program is used to generate definitions needed by
 * assembly language modules.
 *
 * We use the technique used in the OSF Mach kernel code:
 * generate asm statements containing #defines,
 * compile this file to assembler, and then extract the
 * #defines from the assembly-language output.
 */

#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/kbuild.h>

#include <asm/thread_info.h>

int main(void)
{
      /* offsets into the thread_info struct */
      DEFINE(TI_TASK,         offsetof(struct thread_info, task));
      DEFINE(TI_EXEC_DOMAIN,  offsetof(struct thread_info, exec_domain));
      DEFINE(TI_FLAGS,  offsetof(struct thread_info, flags));
      DEFINE(TI_CPU,          offsetof(struct thread_info, cpu));
      DEFINE(TI_PRE_COUNT,    offsetof(struct thread_info, preempt_count));
      DEFINE(TI_RESTART_BLOCK,offsetof(struct thread_info, restart_block));

      return 0;
}

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