asm-offsets.c 5.1 KB

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  1. /*
  2. * Copyright (C) 1995-2003 Russell King
  3. * 2001-2002 Keith Owens
  4. *
  5. * Generate definitions needed by assembly language modules.
  6. * This code generates raw asm output which is post-processed to extract
  7. * and format the required data.
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License version 2 as
  11. * published by the Free Software Foundation.
  12. */
  13. #include <linux/sched.h>
  14. #include <linux/mm.h>
  15. #include <linux/dma-mapping.h>
  16. #include <asm/cacheflush.h>
  17. #include <asm/glue-df.h>
  18. #include <asm/glue-pf.h>
  19. #include <asm/mach/arch.h>
  20. #include <asm/thread_info.h>
  21. #include <asm/memory.h>
  22. #include <asm/procinfo.h>
  23. #include <linux/kbuild.h>
  24. /*
  25. * Make sure that the compiler and target are compatible.
  26. */
  27. #if defined(__APCS_26__)
  28. #error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
  29. #endif
  30. /*
  31. * GCC 3.0, 3.1: general bad code generation.
  32. * GCC 3.2.0: incorrect function argument offset calculation.
  33. * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c
  34. * (http://gcc.gnu.org/PR8896) and incorrect structure
  35. * initialisation in fs/jffs2/erase.c
  36. */
  37. #if (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
  38. #error Your compiler is too buggy; it is known to miscompile kernels.
  39. #error Known good compilers: 3.3
  40. #endif
  41. int main(void)
  42. {
  43. DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
  44. #ifdef CONFIG_CC_STACKPROTECTOR
  45. DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
  46. #endif
  47. BLANK();
  48. DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
  49. DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
  50. DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
  51. DEFINE(TI_TASK, offsetof(struct thread_info, task));
  52. DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain));
  53. DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
  54. DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
  55. DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
  56. DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp));
  57. DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
  58. DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
  59. DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
  60. #ifdef CONFIG_ARM_THUMBEE
  61. DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
  62. #endif
  63. #ifdef CONFIG_IWMMXT
  64. DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
  65. #endif
  66. #ifdef CONFIG_CRUNCH
  67. DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate));
  68. #endif
  69. BLANK();
  70. DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
  71. DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
  72. DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2));
  73. DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3));
  74. DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4));
  75. DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5));
  76. DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6));
  77. DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7));
  78. DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8));
  79. DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9));
  80. DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10));
  81. DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp));
  82. DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip));
  83. DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp));
  84. DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr));
  85. DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc));
  86. DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr));
  87. DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0));
  88. DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs));
  89. BLANK();
  90. #ifdef CONFIG_CPU_HAS_ASID
  91. DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id));
  92. BLANK();
  93. #endif
  94. DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
  95. DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
  96. BLANK();
  97. DEFINE(VM_EXEC, VM_EXEC);
  98. BLANK();
  99. DEFINE(PAGE_SZ, PAGE_SIZE);
  100. BLANK();
  101. DEFINE(SYS_ERROR0, 0x9f0000);
  102. BLANK();
  103. DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
  104. DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
  105. DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
  106. BLANK();
  107. DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
  108. DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
  109. DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
  110. DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags));
  111. BLANK();
  112. #ifdef MULTI_DABORT
  113. DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort));
  114. #endif
  115. #ifdef MULTI_PABORT
  116. DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort));
  117. #endif
  118. #ifdef MULTI_CPU
  119. DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size));
  120. DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend));
  121. DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume));
  122. #endif
  123. #ifdef MULTI_CACHE
  124. DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all));
  125. #endif
  126. BLANK();
  127. DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
  128. DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
  129. DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
  130. return 0;
  131. }