LXR linux/arch/x86/kernel/asm-offsets.c

   1/*
   2 * Generate definitions needed by assembly language modules.
   3 * This code generates raw asm output which is post-processed to extract
   4 * and format the required data.
   5 */
   6#define COMPILE_OFFSETS
   7
   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
  20#ifdef CONFIG_XEN
  21#include <xen/interface/xen.h>
  22#endif
  23
  24#ifdef CONFIG_X86_32
  25# include "asm-offsets_32.c"
  26#else
  27# include "asm-offsets_64.c"
  28#endif
  29
  30void common(void) {
  31        BLANK();
  32        OFFSET(TI_flags, thread_info, flags);
  33        OFFSET(TI_status, thread_info, status);
  34        OFFSET(TI_addr_limit, thread_info, addr_limit);
  35
  36        BLANK();
  37        OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
  38
  39        BLANK();
  40        OFFSET(pbe_address, pbe, address);
  41        OFFSET(pbe_orig_address, pbe, orig_address);
  42        OFFSET(pbe_next, pbe, next);
  43
  44#ifdef CONFIG_PARAVIRT
  45        BLANK();
  46        OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled);
  47        OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops);
  48        OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
  49        OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
  50        OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
  51        OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
  52        OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit);
  53        OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
  54        OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
  55#endif
  56
  57#ifdef CONFIG_XEN
  58        BLANK();
  59        OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
  60        OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
  61#endif
  62
  63        BLANK();
  64        OFFSET(BP_scratch, boot_params, scratch);
  65        OFFSET(BP_loadflags, boot_params, hdr.loadflags);
  66        OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
  67        OFFSET(BP_version, boot_params, hdr.version);
  68        OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment);
  69        OFFSET(BP_pref_address, boot_params, hdr.pref_address);
  70        OFFSET(BP_code32_start, boot_params, hdr.code32_start);
  71
  72        BLANK();
  73        DEFINE(PTREGS_SIZE, sizeof(struct pt_regs));
  74}
  75