arch/csky/kernel/asm-offsets.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
   3
   4 #include <linux/sched.h>
   5 #include <linux/kernel_stat.h>
   6 #include <linux/kbuild.h>
   7 #include <abi/regdef.h>
   8
   9 int main(void)
  10 {
  11         /* offsets into the task struct */
  12         DEFINE(TASK_STATE,        offsetof(struct task_struct, state));
  13         DEFINE(TASK_THREAD_INFO,  offsetof(struct task_struct, stack));
  14         DEFINE(TASK_FLAGS,        offsetof(struct task_struct, flags));
  15         DEFINE(TASK_PTRACE,       offsetof(struct task_struct, ptrace));
  16         DEFINE(TASK_THREAD,       offsetof(struct task_struct, thread));
  17         DEFINE(TASK_MM,           offsetof(struct task_struct, mm));
  18         DEFINE(TASK_ACTIVE_MM,    offsetof(struct task_struct, active_mm));
  19
  20         /* offsets into the thread struct */
  21         DEFINE(THREAD_KSP,        offsetof(struct thread_struct, sp));
  22         DEFINE(THREAD_FESR,       offsetof(struct thread_struct, user_fp.fesr));
  23         DEFINE(THREAD_FCR,        offsetof(struct thread_struct, user_fp.fcr));
  24         DEFINE(THREAD_FPREG,      offsetof(struct thread_struct, user_fp.vr));
  25
  26         /* offsets into the thread_info struct */
  27         DEFINE(TINFO_FLAGS,       offsetof(struct thread_info, flags));
  28         DEFINE(TINFO_PREEMPT,     offsetof(struct thread_info, preempt_count));
  29         DEFINE(TINFO_ADDR_LIMIT,  offsetof(struct thread_info, addr_limit));
  30         DEFINE(TINFO_TP_VALUE,   offsetof(struct thread_info, tp_value));
  31         DEFINE(TINFO_TASK,        offsetof(struct thread_info, task));
  32
  33         /* offsets into the pt_regs */
  34         DEFINE(PT_PC,             offsetof(struct pt_regs, pc));
  35         DEFINE(PT_ORIG_AO,        offsetof(struct pt_regs, orig_a0));
  36         DEFINE(PT_SR,             offsetof(struct pt_regs, sr));
  37
  38         DEFINE(PT_A0,             offsetof(struct pt_regs, a0));
  39         DEFINE(PT_A1,             offsetof(struct pt_regs, a1));
  40         DEFINE(PT_A2,             offsetof(struct pt_regs, a2));
  41         DEFINE(PT_A3,             offsetof(struct pt_regs, a3));
  42         DEFINE(PT_REGS0,          offsetof(struct pt_regs, regs[0]));
  43         DEFINE(PT_REGS1,          offsetof(struct pt_regs, regs[1]));
  44         DEFINE(PT_REGS2,          offsetof(struct pt_regs, regs[2]));
  45         DEFINE(PT_REGS3,          offsetof(struct pt_regs, regs[3]));
  46         DEFINE(PT_REGS4,          offsetof(struct pt_regs, regs[4]));
  47         DEFINE(PT_REGS5,          offsetof(struct pt_regs, regs[5]));
  48         DEFINE(PT_REGS6,          offsetof(struct pt_regs, regs[6]));
  49         DEFINE(PT_REGS7,          offsetof(struct pt_regs, regs[7]));
  50         DEFINE(PT_REGS8,          offsetof(struct pt_regs, regs[8]));
  51         DEFINE(PT_REGS9,          offsetof(struct pt_regs, regs[9]));
  52         DEFINE(PT_R15,            offsetof(struct pt_regs, lr));
  53 #if defined(__CSKYABIV2__)
  54         DEFINE(PT_R16,            offsetof(struct pt_regs, exregs[0]));
  55         DEFINE(PT_R17,            offsetof(struct pt_regs, exregs[1]));
  56         DEFINE(PT_R18,            offsetof(struct pt_regs, exregs[2]));
  57         DEFINE(PT_R19,            offsetof(struct pt_regs, exregs[3]));
  58         DEFINE(PT_R20,            offsetof(struct pt_regs, exregs[4]));
  59         DEFINE(PT_R21,            offsetof(struct pt_regs, exregs[5]));
  60         DEFINE(PT_R22,            offsetof(struct pt_regs, exregs[6]));
  61         DEFINE(PT_R23,            offsetof(struct pt_regs, exregs[7]));
  62         DEFINE(PT_R24,            offsetof(struct pt_regs, exregs[8]));
  63         DEFINE(PT_R25,            offsetof(struct pt_regs, exregs[9]));
  64         DEFINE(PT_R26,            offsetof(struct pt_regs, exregs[10]));
  65         DEFINE(PT_R27,            offsetof(struct pt_regs, exregs[11]));
  66         DEFINE(PT_R28,            offsetof(struct pt_regs, exregs[12]));
  67         DEFINE(PT_R29,            offsetof(struct pt_regs, exregs[13]));
  68         DEFINE(PT_R30,            offsetof(struct pt_regs, exregs[14]));
  69         DEFINE(PT_R31,            offsetof(struct pt_regs, exregs[15]));
  70         DEFINE(PT_RHI,            offsetof(struct pt_regs, rhi));
  71         DEFINE(PT_RLO,            offsetof(struct pt_regs, rlo));
  72 #endif
  73         DEFINE(PT_USP,            offsetof(struct pt_regs, usp));
  74         DEFINE(PT_FRAME_SIZE,     sizeof(struct pt_regs));
  75
  76         /* offsets into the irq_cpustat_t struct */
  77         DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t,
  78                                                 __softirq_pending));
  79
  80         /* signal defines */
  81         DEFINE(SIGSEGV, SIGSEGV);
  82         DEFINE(SIGTRAP, SIGTRAP);
  83
  84         return 0;
  85 }