asm-offsets.c

  1/*
  2 * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
  3 * Copyright (C) 2007-2009 PetaLogix
  4 * Copyright (C) 2006 Atmark Techno, Inc.
  5 *
  6 * This file is subject to the terms and conditions of the GNU General Public
  7 * License. See the file "COPYING" in the main directory of this archive
  8 * for more details.
  9 */
 10#define COMPILE_OFFSETS
 11
 12#include <linux/init.h>
 13#include <linux/stddef.h>
 14#include <linux/sched.h>
 15#include <linux/kernel_stat.h>
 16#include <linux/ptrace.h>
 17#include <linux/hardirq.h>
 18#include <linux/thread_info.h>
 19#include <linux/kbuild.h>
 20#include <asm/cpuinfo.h>
 21
 22int main(int argc, char *argv[])
 23{
 24	/* struct pt_regs */
 25	DEFINE(PT_SIZE, sizeof(struct pt_regs));
 26	DEFINE(PT_MSR, offsetof(struct pt_regs, msr));
 27	DEFINE(PT_EAR, offsetof(struct pt_regs, ear));
 28	DEFINE(PT_ESR, offsetof(struct pt_regs, esr));
 29	DEFINE(PT_FSR, offsetof(struct pt_regs, fsr));
 30	DEFINE(PT_PC, offsetof(struct pt_regs, pc));
 31	DEFINE(PT_R0, offsetof(struct pt_regs, r0));
 32	DEFINE(PT_R1, offsetof(struct pt_regs, r1));
 33	DEFINE(PT_R2, offsetof(struct pt_regs, r2));
 34	DEFINE(PT_R3, offsetof(struct pt_regs, r3));
 35	DEFINE(PT_R4, offsetof(struct pt_regs, r4));
 36	DEFINE(PT_R5, offsetof(struct pt_regs, r5));
 37	DEFINE(PT_R6, offsetof(struct pt_regs, r6));
 38	DEFINE(PT_R7, offsetof(struct pt_regs, r7));
 39	DEFINE(PT_R8, offsetof(struct pt_regs, r8));
 40	DEFINE(PT_R9, offsetof(struct pt_regs, r9));
 41	DEFINE(PT_R10, offsetof(struct pt_regs, r10));
 42	DEFINE(PT_R11, offsetof(struct pt_regs, r11));
 43	DEFINE(PT_R12, offsetof(struct pt_regs, r12));
 44	DEFINE(PT_R13, offsetof(struct pt_regs, r13));
 45	DEFINE(PT_R14, offsetof(struct pt_regs, r14));
 46	DEFINE(PT_R15, offsetof(struct pt_regs, r15));
 47	DEFINE(PT_R16, offsetof(struct pt_regs, r16));
 48	DEFINE(PT_R17, offsetof(struct pt_regs, r17));
 49	DEFINE(PT_R18, offsetof(struct pt_regs, r18));
 50	DEFINE(PT_R19, offsetof(struct pt_regs, r19));
 51	DEFINE(PT_R20, offsetof(struct pt_regs, r20));
 52	DEFINE(PT_R21, offsetof(struct pt_regs, r21));
 53	DEFINE(PT_R22, offsetof(struct pt_regs, r22));
 54	DEFINE(PT_R23, offsetof(struct pt_regs, r23));
 55	DEFINE(PT_R24, offsetof(struct pt_regs, r24));
 56	DEFINE(PT_R25, offsetof(struct pt_regs, r25));
 57	DEFINE(PT_R26, offsetof(struct pt_regs, r26));
 58	DEFINE(PT_R27, offsetof(struct pt_regs, r27));
 59	DEFINE(PT_R28, offsetof(struct pt_regs, r28));
 60	DEFINE(PT_R29, offsetof(struct pt_regs, r29));
 61	DEFINE(PT_R30, offsetof(struct pt_regs, r30));
 62	DEFINE(PT_R31, offsetof(struct pt_regs, r31));
 63	DEFINE(PT_MODE, offsetof(struct pt_regs, pt_mode));
 64	BLANK();
 65
 66	/* Magic offsets for PTRACE PEEK/POKE etc */
 67	DEFINE(PT_TEXT_ADDR, sizeof(struct pt_regs) + 1);
 68	DEFINE(PT_TEXT_LEN, sizeof(struct pt_regs) + 2);
 69	DEFINE(PT_DATA_ADDR, sizeof(struct pt_regs) + 3);
 70	BLANK();
 71
 72	/* struct task_struct */
 73	DEFINE(TS_THREAD_INFO, offsetof(struct task_struct, stack));
 74	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
 75	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
 76	DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
 77	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
 78	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
 79	DEFINE(TASK_PID, offsetof(struct task_struct, pid));
 80	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
 81	DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
 82	BLANK();
 83
 84	DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
 85	BLANK();
 86
 87	/* struct thread_info */
 88	DEFINE(TI_TASK, offsetof(struct thread_info, task));
 89	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
 90	DEFINE(TI_CPU_CONTEXT, offsetof(struct thread_info, cpu_context));
 91	DEFINE(TI_PREEMPT_COUNT, offsetof(struct thread_info, preempt_count));
 92	BLANK();
 93
 94	/* struct cpu_context */
 95	DEFINE(CC_R1, offsetof(struct cpu_context, r1)); /* r1 */
 96	DEFINE(CC_R2, offsetof(struct cpu_context, r2));
 97	/* dedicated registers */
 98	DEFINE(CC_R13, offsetof(struct cpu_context, r13));
 99	DEFINE(CC_R14, offsetof(struct cpu_context, r14));
100	DEFINE(CC_R15, offsetof(struct cpu_context, r15));
101	DEFINE(CC_R16, offsetof(struct cpu_context, r16));
102	DEFINE(CC_R17, offsetof(struct cpu_context, r17));
103	DEFINE(CC_R18, offsetof(struct cpu_context, r18));
104	/* non-volatile registers */
105	DEFINE(CC_R19, offsetof(struct cpu_context, r19));
106	DEFINE(CC_R20, offsetof(struct cpu_context, r20));
107	DEFINE(CC_R21, offsetof(struct cpu_context, r21));
108	DEFINE(CC_R22, offsetof(struct cpu_context, r22));
109	DEFINE(CC_R23, offsetof(struct cpu_context, r23));
110	DEFINE(CC_R24, offsetof(struct cpu_context, r24));
111	DEFINE(CC_R25, offsetof(struct cpu_context, r25));
112	DEFINE(CC_R26, offsetof(struct cpu_context, r26));
113	DEFINE(CC_R27, offsetof(struct cpu_context, r27));
114	DEFINE(CC_R28, offsetof(struct cpu_context, r28));
115	DEFINE(CC_R29, offsetof(struct cpu_context, r29));
116	DEFINE(CC_R30, offsetof(struct cpu_context, r30));
117	/* special purpose registers */
118	DEFINE(CC_MSR, offsetof(struct cpu_context, msr));
119	DEFINE(CC_EAR, offsetof(struct cpu_context, ear));
120	DEFINE(CC_ESR, offsetof(struct cpu_context, esr));
121	DEFINE(CC_FSR, offsetof(struct cpu_context, fsr));
122	BLANK();
123
124	/* struct cpuinfo */
125	DEFINE(CI_DCS, offsetof(struct cpuinfo, dcache_size));
126	DEFINE(CI_DCL, offsetof(struct cpuinfo, dcache_line_length));
127	DEFINE(CI_ICS, offsetof(struct cpuinfo, icache_size));
128	DEFINE(CI_ICL, offsetof(struct cpuinfo, icache_line_length));
129	BLANK();
130
131	return 0;
132}