asm-offsets.c 3.1 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Generate definitions needed by assembly language modules.
  4. * This code generates raw asm output which is post-processed to extract
  5. * and format the required data.
  6. */
  7. #define COMPILE_OFFSETS
  8. #include <linux/crypto.h>
  9. #include <linux/sched.h>
  10. #include <linux/stddef.h>
  11. #include <linux/hardirq.h>
  12. #include <linux/suspend.h>
  13. #include <linux/kbuild.h>
  14. #include <asm/processor.h>
  15. #include <asm/thread_info.h>
  16. #include <asm/sigframe.h>
  17. #include <asm/bootparam.h>
  18. #include <asm/suspend.h>
  19. #include <asm/tlbflush.h>
  20. #ifdef CONFIG_XEN
  21. #include <xen/interface/xen.h>
  22. #endif
  23. #ifdef CONFIG_X86_32
  24. # include "asm-offsets_32.c"
  25. #else
  26. # include "asm-offsets_64.c"
  27. #endif
  28. static void __used common(void)
  29. {
  30. BLANK();
  31. OFFSET(TASK_threadsp, task_struct, thread.sp);
  32. #ifdef CONFIG_STACKPROTECTOR
  33. OFFSET(TASK_stack_canary, task_struct, stack_canary);
  34. #endif
  35. BLANK();
  36. OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
  37. BLANK();
  38. OFFSET(pbe_address, pbe, address);
  39. OFFSET(pbe_orig_address, pbe, orig_address);
  40. OFFSET(pbe_next, pbe, next);
  41. #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
  42. BLANK();
  43. OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax);
  44. OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx);
  45. OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx);
  46. OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx);
  47. OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si);
  48. OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di);
  49. OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp);
  50. OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp);
  51. OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip);
  52. BLANK();
  53. OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
  54. #endif
  55. #ifdef CONFIG_PARAVIRT_XXL
  56. BLANK();
  57. OFFSET(PV_IRQ_irq_disable, paravirt_patch_template, irq.irq_disable);
  58. OFFSET(PV_IRQ_irq_enable, paravirt_patch_template, irq.irq_enable);
  59. OFFSET(PV_CPU_iret, paravirt_patch_template, cpu.iret);
  60. OFFSET(PV_MMU_read_cr2, paravirt_patch_template, mmu.read_cr2);
  61. #endif
  62. #ifdef CONFIG_XEN
  63. BLANK();
  64. OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
  65. OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
  66. OFFSET(XEN_vcpu_info_arch_cr2, vcpu_info, arch.cr2);
  67. #endif
  68. BLANK();
  69. OFFSET(BP_scratch, boot_params, scratch);
  70. OFFSET(BP_secure_boot, boot_params, secure_boot);
  71. OFFSET(BP_loadflags, boot_params, hdr.loadflags);
  72. OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
  73. OFFSET(BP_version, boot_params, hdr.version);
  74. OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment);
  75. OFFSET(BP_init_size, boot_params, hdr.init_size);
  76. OFFSET(BP_pref_address, boot_params, hdr.pref_address);
  77. BLANK();
  78. DEFINE(PTREGS_SIZE, sizeof(struct pt_regs));
  79. /* TLB state for the entry code */
  80. OFFSET(TLB_STATE_user_pcid_flush_mask, tlb_state, user_pcid_flush_mask);
  81. /* Layout info for cpu_entry_area */
  82. OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page);
  83. DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack));
  84. DEFINE(MASK_entry_stack, (~(sizeof(struct entry_stack) - 1)));
  85. /* Offset for fields in tss_struct */
  86. OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
  87. OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
  88. OFFSET(TSS_sp2, tss_struct, x86_tss.sp2);
  89. }