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(TASK_threadsp, task_struct, thread.sp);
  33#ifdef CONFIG_CC_STACKPROTECTOR
  34        OFFSET(TASK_stack_canary, task_struct, stack_canary);
  35#endif
  36
  37        BLANK();
  38        OFFSET(TASK_TI_flags, task_struct, thread_info.flags);
  39        OFFSET(TASK_addr_limit, task_struct, thread.addr_limit);
  40
  41        BLANK();
  42        OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
  43
  44        BLANK();
  45        OFFSET(pbe_address, pbe, address);
  46        OFFSET(pbe_orig_address, pbe, orig_address);
  47        OFFSET(pbe_next, pbe, next);
  48
  49#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
  50        BLANK();
  51        OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax);
  52        OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx);
  53        OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx);
  54        OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx);
  55        OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si);
  56        OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di);
  57        OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp);
  58        OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp);
  59        OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip);
  60
  61        BLANK();
  62        OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
  63#endif
  64
  65#ifdef CONFIG_PARAVIRT
  66        BLANK();
  67        OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops);
  68        OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
  69        OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
  70        OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
  71        OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
  72        OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
  73        OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
  74#endif
  75
  76#ifdef CONFIG_XEN
  77        BLANK();
  78        OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
  79        OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
  80#endif
  81
  82        BLANK();
  83        OFFSET(BP_scratch, boot_params, scratch);
  84        OFFSET(BP_loadflags, boot_params, hdr.loadflags);
  85        OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
  86        OFFSET(BP_version, boot_params, hdr.version);
  87        OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment);
  88        OFFSET(BP_init_size, boot_params, hdr.init_size);
  89        OFFSET(BP_pref_address, boot_params, hdr.pref_address);
  90        OFFSET(BP_code32_start, boot_params, hdr.code32_start);
  91
  92        BLANK();
  93        DEFINE(PTREGS_SIZE, sizeof(struct pt_regs));
  94}
  95