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 41int 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} 137