LXR linux/arch/tile/kernel/asm-offsets.c

   1/*
   2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3 *
   4 *   This program is free software; you can redistribute it and/or
   5 *   modify it under the terms of the GNU General Public License
   6 *   as published by the Free Software Foundation, version 2.
   7 *
   8 *   This program is distributed in the hope that it will be useful, but
   9 *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11 *   NON INFRINGEMENT.  See the GNU General Public License for
  12 *   more details.
  13 *
  14 * Generates definitions from c-type structures used by assembly sources.
  15 */
  16
  17/* Check for compatible compiler early in the build. */
  18#ifdef CONFIG_TILEGX
  19# ifndef __tilegx__
  20#  error Can only build TILE-Gx configurations with tilegx compiler
  21# endif
  22# ifndef __LP64__
  23#  error Must not specify -m32 when building the TILE-Gx kernel
  24# endif
  25#else
  26# ifdef __tilegx__
  27#  error Can not build TILEPro configurations with tilegx compiler
  28# endif
  29#endif
  30
  31#include <linux/kbuild.h>
  32#include <linux/thread_info.h>
  33#include <linux/sched.h>
  34#include <linux/hardirq.h>
  35#include <linux/ptrace.h>
  36#include <hv/hypervisor.h>
  37
  38void foo(void)
  39{
  40        DEFINE(SINGLESTEP_STATE_BUFFER_OFFSET,
  41               offsetof(struct single_step_state, buffer));
  42        DEFINE(SINGLESTEP_STATE_FLAGS_OFFSET,
  43               offsetof(struct single_step_state, flags));
  44        DEFINE(SINGLESTEP_STATE_ORIG_PC_OFFSET,
  45               offsetof(struct single_step_state, orig_pc));
  46        DEFINE(SINGLESTEP_STATE_NEXT_PC_OFFSET,
  47               offsetof(struct single_step_state, next_pc));
  48        DEFINE(SINGLESTEP_STATE_BRANCH_NEXT_PC_OFFSET,
  49               offsetof(struct single_step_state, branch_next_pc));
  50        DEFINE(SINGLESTEP_STATE_UPDATE_VALUE_OFFSET,
  51               offsetof(struct single_step_state, update_value));
  52
  53        DEFINE(THREAD_INFO_TASK_OFFSET,
  54               offsetof(struct thread_info, task));
  55        DEFINE(THREAD_INFO_FLAGS_OFFSET,
  56               offsetof(struct thread_info, flags));
  57        DEFINE(THREAD_INFO_STATUS_OFFSET,
  58               offsetof(struct thread_info, status));
  59        DEFINE(THREAD_INFO_HOMECACHE_CPU_OFFSET,
  60               offsetof(struct thread_info, homecache_cpu));
  61        DEFINE(THREAD_INFO_PREEMPT_COUNT_OFFSET,
  62               offsetof(struct thread_info, preempt_count));
  63        DEFINE(THREAD_INFO_STEP_STATE_OFFSET,
  64               offsetof(struct thread_info, step_state));
  65#ifdef __tilegx__
  66        DEFINE(THREAD_INFO_UNALIGN_JIT_BASE_OFFSET,
  67               offsetof(struct thread_info, unalign_jit_base));
  68        DEFINE(THREAD_INFO_UNALIGN_JIT_TMP_OFFSET,
  69               offsetof(struct thread_info, unalign_jit_tmp));
  70#endif
  71
  72        DEFINE(TASK_STRUCT_THREAD_KSP_OFFSET,
  73               offsetof(struct task_struct, thread.ksp));
  74        DEFINE(TASK_STRUCT_THREAD_PC_OFFSET,
  75               offsetof(struct task_struct, thread.pc));
  76
  77        DEFINE(HV_TOPOLOGY_WIDTH_OFFSET,
  78               offsetof(HV_Topology, width));
  79        DEFINE(HV_TOPOLOGY_HEIGHT_OFFSET,
  80               offsetof(HV_Topology, height));
  81
  82        DEFINE(IRQ_CPUSTAT_SYSCALL_COUNT_OFFSET,
  83               offsetof(irq_cpustat_t, irq_syscall_count));
  84}
  85