asm-offsets.c

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/*
 * 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.
 *
 * On sparc, thread_info data is static and TI_XXX offsets are computed by hand.
 */

#include <linux/sched.h>
// #include <linux/mm.h>
#include <linux/kbuild.h>

#ifdef CONFIG_SPARC32
int sparc32_foo(void)
{
    DEFINE(AOFF_thread_fork_kpsr,
            offsetof(struct thread_struct, fork_kpsr));
    return 0;
}
#else
int sparc64_foo(void)
{
    return 0;
}
#endif

int foo(void)
{
    BLANK();
    DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread));
    BLANK();
    DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context));

    /* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */
    return 0;
}