cregit-Linux how code gets into the kernel

Release 4.14 arch/nios2/kernel/asm-offsets.c

 * Copyright (C) 2011 Tobias Klauser <>
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <>.

#include <linux/stddef.h>
#include <linux/sched.h>
#include <linux/kernel_stat.h>
#include <linux/ptrace.h>
#include <linux/hardirq.h>
#include <linux/thread_info.h>
#include <linux/kbuild.h>

int main(void) { /* struct task_struct */ OFFSET(TASK_THREAD, task_struct, thread); BLANK(); /* struct thread_struct */ OFFSET(THREAD_KSP, thread_struct, ksp); OFFSET(THREAD_KPSR, thread_struct, kpsr); BLANK(); /* struct pt_regs */ OFFSET(PT_ORIG_R2, pt_regs, orig_r2); OFFSET(PT_ORIG_R7, pt_regs, orig_r7); OFFSET(PT_R1, pt_regs, r1); OFFSET(PT_R2, pt_regs, r2); OFFSET(PT_R3, pt_regs, r3); OFFSET(PT_R4, pt_regs, r4); OFFSET(PT_R5, pt_regs, r5); OFFSET(PT_R6, pt_regs, r6); OFFSET(PT_R7, pt_regs, r7); OFFSET(PT_R8, pt_regs, r8); OFFSET(PT_R9, pt_regs, r9); OFFSET(PT_R10, pt_regs, r10); OFFSET(PT_R11, pt_regs, r11); OFFSET(PT_R12, pt_regs, r12); OFFSET(PT_R13, pt_regs, r13); OFFSET(PT_R14, pt_regs, r14); OFFSET(PT_R15, pt_regs, r15); OFFSET(PT_EA, pt_regs, ea); OFFSET(PT_RA, pt_regs, ra); OFFSET(PT_FP, pt_regs, fp); OFFSET(PT_SP, pt_regs, sp); OFFSET(PT_GP, pt_regs, gp); OFFSET(PT_ESTATUS, pt_regs, estatus); DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs)); BLANK(); /* struct switch_stack */ OFFSET(SW_R16, switch_stack, r16); OFFSET(SW_R17, switch_stack, r17); OFFSET(SW_R18, switch_stack, r18); OFFSET(SW_R19, switch_stack, r19); OFFSET(SW_R20, switch_stack, r20); OFFSET(SW_R21, switch_stack, r21); OFFSET(SW_R22, switch_stack, r22); OFFSET(SW_R23, switch_stack, r23); OFFSET(SW_FP, switch_stack, fp); OFFSET(SW_GP, switch_stack, gp); OFFSET(SW_RA, switch_stack, ra); DEFINE(SWITCH_STACK_SIZE, sizeof(struct switch_stack)); BLANK(); /* struct thread_info */ OFFSET(TI_FLAGS, thread_info, flags); OFFSET(TI_PREEMPT_COUNT, thread_info, preempt_count); BLANK(); return 0; }


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