root/arch/arc/kernel/asm-offsets.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 */
#define COMPILE_OFFSETS

#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/thread_info.h>
#include <linux/kbuild.h>
#include <linux/ptrace.h>
#include <asm/hardirq.h>
#include <asm/page.h>


int main(void)
{
        DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
        DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));

        BLANK();

        DEFINE(THREAD_CALLEE_REG, offsetof(struct thread_struct, callee_reg));
        DEFINE(THREAD_FAULT_ADDR,
               offsetof(struct thread_struct, fault_address));

        BLANK();

        DEFINE(THREAD_INFO_KSP, offsetof(struct thread_info, ksp));
        DEFINE(THREAD_INFO_FLAGS, offsetof(struct thread_info, flags));
        DEFINE(THREAD_INFO_PREEMPT_COUNT,
               offsetof(struct thread_info, preempt_count));

        BLANK();

        DEFINE(TASK_ACT_MM, offsetof(struct task_struct, active_mm));
        DEFINE(TASK_TGID, offsetof(struct task_struct, tgid));
        DEFINE(TASK_PID, offsetof(struct task_struct, pid));
        DEFINE(TASK_COMM, offsetof(struct task_struct, comm));

        DEFINE(MM_CTXT, offsetof(struct mm_struct, context));
        DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));

        DEFINE(MM_CTXT_ASID, offsetof(mm_context_t, asid));

        BLANK();

        DEFINE(PT_status32, offsetof(struct pt_regs, status32));
        DEFINE(PT_event, offsetof(struct pt_regs, ecr));
        DEFINE(PT_bta, offsetof(struct pt_regs, bta));
        DEFINE(PT_sp, offsetof(struct pt_regs, sp));
        DEFINE(PT_r0, offsetof(struct pt_regs, r0));
        DEFINE(PT_r1, offsetof(struct pt_regs, r1));
        DEFINE(PT_r2, offsetof(struct pt_regs, r2));
        DEFINE(PT_r3, offsetof(struct pt_regs, r3));
        DEFINE(PT_r4, offsetof(struct pt_regs, r4));
        DEFINE(PT_r5, offsetof(struct pt_regs, r5));
        DEFINE(PT_r6, offsetof(struct pt_regs, r6));
        DEFINE(PT_r7, offsetof(struct pt_regs, r7));
        DEFINE(PT_r8, offsetof(struct pt_regs, r8));
        DEFINE(PT_r10, offsetof(struct pt_regs, r10));
        DEFINE(PT_r26, offsetof(struct pt_regs, r26));
        DEFINE(PT_ret, offsetof(struct pt_regs, ret));
        DEFINE(PT_blink, offsetof(struct pt_regs, blink));
        OFFSET(PT_fp, pt_regs, fp);
        DEFINE(PT_lpe, offsetof(struct pt_regs, lp_end));
        DEFINE(PT_lpc, offsetof(struct pt_regs, lp_count));
#ifdef CONFIG_ISA_ARCV2
        OFFSET(PT_r12, pt_regs, r12);
        OFFSET(PT_r30, pt_regs, r30);
#endif
#ifdef CONFIG_ARC_HAS_ACCL_REGS
        OFFSET(PT_r58, pt_regs, r58);
        OFFSET(PT_r59, pt_regs, r59);
#endif
#ifdef CONFIG_ARC_DSP_SAVE_RESTORE_REGS
        OFFSET(PT_DSP_CTRL, pt_regs, DSP_CTRL);
#endif

        DEFINE(SZ_CALLEE_REGS, sizeof(struct callee_regs));
        DEFINE(SZ_PT_REGS, sizeof(struct pt_regs));

        return 0;
}