arch/x86/kernel/asm-offsets_32.c

   1 /*
   2  * Generate definitions needed by assembly language modules.
   3  * This code generates raw asm output which is post-processed
   4  * to extract and format the required data.
   5  */
   6
   7 #include <linux/crypto.h>
   8 #include <linux/sched.h>
   9 #include <linux/signal.h>
  10 #include <linux/personality.h>
  11 #include <linux/suspend.h>
  12 #include <asm/ucontext.h>
  13 #include "sigframe_32.h"
  14 #include <asm/pgtable.h>
  15 #include <asm/fixmap.h>
  16 #include <asm/processor.h>
  17 #include <asm/thread_info.h>
  18 #include <asm/bootparam.h>
  19 #include <asm/elf.h>
  20
  21 #include <xen/interface/xen.h>
  22
  23 <<<<<<< HEAD:arch/x86/kernel/asm-offsets_32.c
  24 #ifdef CONFIG_LGUEST_GUEST
  25 =======
  26 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/asm-offsets_32.c
  27 #include <linux/lguest.h>
  28 #include "../../../drivers/lguest/lg.h"
  29 <<<<<<< HEAD:arch/x86/kernel/asm-offsets_32.c
  30 #endif
  31 =======
  32 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/asm-offsets_32.c
  33
  34 #define DEFINE(sym, val) \
  35         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
  36
  37 #define BLANK() asm volatile("\n->" : : )
  38
  39 #define OFFSET(sym, str, mem) \
  40         DEFINE(sym, offsetof(struct str, mem));
  41
  42 /* workaround for a warning with -Wmissing-prototypes */
  43 void foo(void);
  44
  45 void foo(void)
  46 {
  47         OFFSET(IA32_SIGCONTEXT_ax, sigcontext, ax);
  48         OFFSET(IA32_SIGCONTEXT_bx, sigcontext, bx);
  49         OFFSET(IA32_SIGCONTEXT_cx, sigcontext, cx);
  50         OFFSET(IA32_SIGCONTEXT_dx, sigcontext, dx);
  51         OFFSET(IA32_SIGCONTEXT_si, sigcontext, si);
  52         OFFSET(IA32_SIGCONTEXT_di, sigcontext, di);
  53         OFFSET(IA32_SIGCONTEXT_bp, sigcontext, bp);
  54         OFFSET(IA32_SIGCONTEXT_sp, sigcontext, sp);
  55         OFFSET(IA32_SIGCONTEXT_ip, sigcontext, ip);
  56         BLANK();
  57
  58         OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
  59         OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
  60         OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
  61         OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
  62         OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math);
  63         OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
  64         OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
  65         OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
  66         BLANK();
  67
  68         OFFSET(TI_task, thread_info, task);
  69         OFFSET(TI_exec_domain, thread_info, exec_domain);
  70         OFFSET(TI_flags, thread_info, flags);
  71         OFFSET(TI_status, thread_info, status);
  72         OFFSET(TI_preempt_count, thread_info, preempt_count);
  73         OFFSET(TI_addr_limit, thread_info, addr_limit);
  74         OFFSET(TI_restart_block, thread_info, restart_block);
  75         OFFSET(TI_sysenter_return, thread_info, sysenter_return);
  76         OFFSET(TI_cpu, thread_info, cpu);
  77         BLANK();
  78
  79         OFFSET(GDS_size, desc_ptr, size);
  80         OFFSET(GDS_address, desc_ptr, address);
  81         BLANK();
  82
  83         OFFSET(PT_EBX, pt_regs, bx);
  84         OFFSET(PT_ECX, pt_regs, cx);
  85         OFFSET(PT_EDX, pt_regs, dx);
  86         OFFSET(PT_ESI, pt_regs, si);
  87         OFFSET(PT_EDI, pt_regs, di);
  88         OFFSET(PT_EBP, pt_regs, bp);
  89         OFFSET(PT_EAX, pt_regs, ax);
  90         OFFSET(PT_DS,  pt_regs, ds);
  91         OFFSET(PT_ES,  pt_regs, es);
  92         OFFSET(PT_FS,  pt_regs, fs);
  93         OFFSET(PT_ORIG_EAX, pt_regs, orig_ax);
  94         OFFSET(PT_EIP, pt_regs, ip);
  95         OFFSET(PT_CS,  pt_regs, cs);
  96         OFFSET(PT_EFLAGS, pt_regs, flags);
  97         OFFSET(PT_OLDESP, pt_regs, sp);
  98         OFFSET(PT_OLDSS,  pt_regs, ss);
  99         BLANK();
 100
 101         OFFSET(EXEC_DOMAIN_handler, exec_domain, handler);
 102         OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
 103         BLANK();
 104
 105         OFFSET(pbe_address, pbe, address);
 106         OFFSET(pbe_orig_address, pbe, orig_address);
 107         OFFSET(pbe_next, pbe, next);
 108
 109         /* Offset from the sysenter stack to tss.sp0 */
 110         DEFINE(TSS_sysenter_sp0, offsetof(struct tss_struct, x86_tss.sp0) -
 111                  sizeof(struct tss_struct));
 112
 113         DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
 114         DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT);
 115         DEFINE(PTRS_PER_PTE, PTRS_PER_PTE);
 116         DEFINE(PTRS_PER_PMD, PTRS_PER_PMD);
 117         DEFINE(PTRS_PER_PGD, PTRS_PER_PGD);
 118
 119         OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
 120
 121 #ifdef CONFIG_PARAVIRT
 122         BLANK();
 123         OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled);
 124         OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops);
 125         OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
 126         OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
 127         OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
 128         OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
 129         OFFSET(PV_CPU_irq_enable_syscall_ret, pv_cpu_ops, irq_enable_syscall_ret);
 130         OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
 131 #endif
 132
 133 #ifdef CONFIG_XEN
 134         BLANK();
 135         OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
 136         OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
 137 #endif
 138
 139 <<<<<<< HEAD:arch/x86/kernel/asm-offsets_32.c
 140 #ifdef CONFIG_LGUEST_GUEST
 141 =======
 142 #if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE)
 143 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/asm-offsets_32.c
 144         BLANK();
 145         OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
 146         OFFSET(LGUEST_DATA_pgdir, lguest_data, pgdir);
 147 <<<<<<< HEAD:arch/x86/kernel/asm-offsets_32.c
 148 =======
 149
 150         BLANK();
 151 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/asm-offsets_32.c
 152         OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
 153         OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
 154         OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
 155         OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
 156         OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
 157         OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
 158         OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
 159         OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
 160         OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
 161         OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
 162 #endif
 163
 164         BLANK();
 165         OFFSET(BP_scratch, boot_params, scratch);
 166         OFFSET(BP_loadflags, boot_params, hdr.loadflags);
 167         OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
 168         OFFSET(BP_version, boot_params, hdr.version);
 169 }