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asm-offsets.c

/*
 * Generate definitions needed by assembly language modules.
 * This code generates raw asm output which is post-processed to extract
 * and format the required data.
 */

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

int main(void)
{
      DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
      DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
      DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info));
      DEFINE(__THREAD_mm_segment,
             offsetof(struct task_struct, thread.mm_segment));
      BLANK();
      DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
      BLANK();
      DEFINE(__PER_atmid, offsetof(per_struct, lowcore.words.perc_atmid));
      DEFINE(__PER_address, offsetof(per_struct, lowcore.words.address));
      DEFINE(__PER_access_id, offsetof(per_struct, lowcore.words.access_id));
      BLANK();
      DEFINE(__TI_task, offsetof(struct thread_info, task));
      DEFINE(__TI_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_precount, offsetof(struct thread_info, preempt_count));
      BLANK();
      DEFINE(__PT_ARGS, offsetof(struct pt_regs, args));
      DEFINE(__PT_PSW, offsetof(struct pt_regs, psw));
      DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs));
      DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2));
      DEFINE(__PT_ILC, offsetof(struct pt_regs, ilc));
      DEFINE(__PT_TRAP, offsetof(struct pt_regs, trap));
      DEFINE(__PT_SIZE, sizeof(struct pt_regs));
      BLANK();
      DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain));
      DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs));
      DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1));
      return 0;
}

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