kernel/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
  38 void 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 }