arch/blackfin/kernel/asm-offsets.c

   1 /*
   2  * File:         arch/blackfin/kernel/asm-offsets.c
   3  * Based on:
   4  * Author:
   5  *
   6  * Created:
   7  * Description:  generate definitions needed by assembly language modules.
   8  *
   9  * Modified:
  10  *               Copyright 2004-2006 Analog Devices Inc.
  11  *
  12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, see the file COPYING, or write
  26  * to the Free Software Foundation, Inc.,
  27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  28  */
  29
  30 #include <linux/stddef.h>
  31 #include <linux/sched.h>
  32 #include <linux/kernel_stat.h>
  33 #include <linux/ptrace.h>
  34 #include <linux/hardirq.h>
  35 #include <asm/irq.h>
  36 #include <asm/thread_info.h>
  37
  38 #define DEFINE(sym, val) \
  39         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
  40
  41 int main(void)
  42 {
  43         /* offsets into the task struct */
  44         DEFINE(TASK_STATE, offsetof(struct task_struct, state));
  45         DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
  46         DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
  47         DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
  48         DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
  49         DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
  50         DEFINE(TASK_MM, offsetof(struct task_struct, mm));
  51         DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
  52         DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, pending));
  53
  54         /* offsets into the irq_cpustat_t struct */
  55         DEFINE(CPUSTAT_SOFTIRQ_PENDING,
  56                offsetof(irq_cpustat_t, __softirq_pending));
  57
  58         /* offsets into the thread struct */
  59         DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
  60         DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
  61         DEFINE(THREAD_SR, offsetof(struct thread_struct, seqstat));
  62         DEFINE(PT_SR, offsetof(struct thread_struct, seqstat));
  63         DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
  64         DEFINE(THREAD_PC, offsetof(struct thread_struct, pc));
  65         DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
  66
  67         /* offsets into the pt_regs */
  68         DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0));
  69         DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc));
  70         DEFINE(PT_R0, offsetof(struct pt_regs, r0));
  71         DEFINE(PT_R1, offsetof(struct pt_regs, r1));
  72         DEFINE(PT_R2, offsetof(struct pt_regs, r2));
  73         DEFINE(PT_R3, offsetof(struct pt_regs, r3));
  74         DEFINE(PT_R4, offsetof(struct pt_regs, r4));
  75         DEFINE(PT_R5, offsetof(struct pt_regs, r5));
  76         DEFINE(PT_R6, offsetof(struct pt_regs, r6));
  77         DEFINE(PT_R7, offsetof(struct pt_regs, r7));
  78
  79         DEFINE(PT_P0, offsetof(struct pt_regs, p0));
  80         DEFINE(PT_P1, offsetof(struct pt_regs, p1));
  81         DEFINE(PT_P2, offsetof(struct pt_regs, p2));
  82         DEFINE(PT_P3, offsetof(struct pt_regs, p3));
  83         DEFINE(PT_P4, offsetof(struct pt_regs, p4));
  84         DEFINE(PT_P5, offsetof(struct pt_regs, p5));
  85
  86         DEFINE(PT_FP, offsetof(struct pt_regs, fp));
  87         DEFINE(PT_USP, offsetof(struct pt_regs, usp));
  88         DEFINE(PT_I0, offsetof(struct pt_regs, i0));
  89         DEFINE(PT_I1, offsetof(struct pt_regs, i1));
  90         DEFINE(PT_I2, offsetof(struct pt_regs, i2));
  91         DEFINE(PT_I3, offsetof(struct pt_regs, i3));
  92         DEFINE(PT_M0, offsetof(struct pt_regs, m0));
  93         DEFINE(PT_M1, offsetof(struct pt_regs, m1));
  94         DEFINE(PT_M2, offsetof(struct pt_regs, m2));
  95         DEFINE(PT_M3, offsetof(struct pt_regs, m3));
  96         DEFINE(PT_L0, offsetof(struct pt_regs, l0));
  97         DEFINE(PT_L1, offsetof(struct pt_regs, l1));
  98         DEFINE(PT_L2, offsetof(struct pt_regs, l2));
  99         DEFINE(PT_L3, offsetof(struct pt_regs, l3));
 100         DEFINE(PT_B0, offsetof(struct pt_regs, b0));
 101         DEFINE(PT_B1, offsetof(struct pt_regs, b1));
 102         DEFINE(PT_B2, offsetof(struct pt_regs, b2));
 103         DEFINE(PT_B3, offsetof(struct pt_regs, b3));
 104         DEFINE(PT_A0X, offsetof(struct pt_regs, a0x));
 105         DEFINE(PT_A0W, offsetof(struct pt_regs, a0w));
 106         DEFINE(PT_A1X, offsetof(struct pt_regs, a1x));
 107         DEFINE(PT_A1W, offsetof(struct pt_regs, a1w));
 108         DEFINE(PT_LC0, offsetof(struct pt_regs, lc0));
 109         DEFINE(PT_LC1, offsetof(struct pt_regs, lc1));
 110         DEFINE(PT_LT0, offsetof(struct pt_regs, lt0));
 111         DEFINE(PT_LT1, offsetof(struct pt_regs, lt1));
 112         DEFINE(PT_LB0, offsetof(struct pt_regs, lb0));
 113         DEFINE(PT_LB1, offsetof(struct pt_regs, lb1));
 114         DEFINE(PT_ASTAT, offsetof(struct pt_regs, astat));
 115         DEFINE(PT_RESERVED, offsetof(struct pt_regs, reserved));
 116         DEFINE(PT_RETS, offsetof(struct pt_regs, rets));
 117         DEFINE(PT_PC, offsetof(struct pt_regs, pc));
 118         DEFINE(PT_RETX, offsetof(struct pt_regs, retx));
 119         DEFINE(PT_RETN, offsetof(struct pt_regs, retn));
 120         DEFINE(PT_RETE, offsetof(struct pt_regs, rete));
 121         DEFINE(PT_SEQSTAT, offsetof(struct pt_regs, seqstat));
 122         DEFINE(PT_SYSCFG, offsetof(struct pt_regs, syscfg));
 123         DEFINE(PT_IPEND, offsetof(struct pt_regs, ipend));
 124         DEFINE(SIZEOF_PTREGS, sizeof(struct pt_regs));
 125         DEFINE(PT_TEXT_ADDR, sizeof(struct pt_regs));        /* Needed by gdb */
 126         DEFINE(PT_TEXT_END_ADDR, 4 + sizeof(struct pt_regs));/* Needed by gdb */
 127         DEFINE(PT_DATA_ADDR, 8 + sizeof(struct pt_regs));    /* Needed by gdb */
 128         DEFINE(PT_FDPIC_EXEC, 12 + sizeof(struct pt_regs));  /* Needed by gdb */
 129         DEFINE(PT_FDPIC_INTERP, 16 + sizeof(struct pt_regs));/* Needed by gdb */
 130
 131         /* signal defines */
 132         DEFINE(SIGSEGV, SIGSEGV);
 133         DEFINE(SIGTRAP, SIGTRAP);
 134
 135         return 0;
 136 }