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 <linux/kbuild.h> 13 #include <asm/ucontext.h> 14 #include <asm/sigframe.h> 15 #include <asm/pgtable.h> 16 #include <asm/fixmap.h> 17 #include <asm/processor.h> 18 #include <asm/thread_info.h> 19 #include <asm/bootparam.h> 20 #include <asm/elf.h> 21 #include <asm/suspend.h> 22 23 #include <xen/interface/xen.h> 24 25 #include <linux/lguest.h> 26 #include "../../../drivers/lguest/lg.h" 27 28 /* workaround for a warning with -Wmissing-prototypes */ 29 void foo(void); 30 31 void foo(void) 32 { 33 OFFSET(IA32_SIGCONTEXT_ax, sigcontext, ax); 34 OFFSET(IA32_SIGCONTEXT_bx, sigcontext, bx); 35 OFFSET(IA32_SIGCONTEXT_cx, sigcontext, cx); 36 OFFSET(IA32_SIGCONTEXT_dx, sigcontext, dx); 37 OFFSET(IA32_SIGCONTEXT_si, sigcontext, si); 38 OFFSET(IA32_SIGCONTEXT_di, sigcontext, di); 39 OFFSET(IA32_SIGCONTEXT_bp, sigcontext, bp); 40 OFFSET(IA32_SIGCONTEXT_sp, sigcontext, sp); 41 OFFSET(IA32_SIGCONTEXT_ip, sigcontext, ip); 42 BLANK(); 43 44 OFFSET(CPUINFO_x86, cpuinfo_x86, x86); 45 OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor); 46 OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model); 47 OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask); 48 OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math); 49 OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level); 50 OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability); 51 OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id); 52 BLANK(); 53 54 OFFSET(TI_task, thread_info, task); 55 OFFSET(TI_exec_domain, thread_info, exec_domain); 56 OFFSET(TI_flags, thread_info, flags); 57 OFFSET(TI_status, thread_info, status); 58 OFFSET(TI_preempt_count, thread_info, preempt_count); 59 OFFSET(TI_addr_limit, thread_info, addr_limit); 60 OFFSET(TI_restart_block, thread_info, restart_block); 61 OFFSET(TI_sysenter_return, thread_info, sysenter_return); 62 OFFSET(TI_cpu, thread_info, cpu); 63 BLANK(); 64 65 OFFSET(GDS_size, desc_ptr, size); 66 OFFSET(GDS_address, desc_ptr, address); 67 BLANK(); 68 69 OFFSET(PT_EBX, pt_regs, bx); 70 OFFSET(PT_ECX, pt_regs, cx); 71 OFFSET(PT_EDX, pt_regs, dx); 72 OFFSET(PT_ESI, pt_regs, si); 73 OFFSET(PT_EDI, pt_regs, di); 74 OFFSET(PT_EBP, pt_regs, bp); 75 OFFSET(PT_EAX, pt_regs, ax); 76 OFFSET(PT_DS, pt_regs, ds); 77 OFFSET(PT_ES, pt_regs, es); 78 OFFSET(PT_FS, pt_regs, fs); 79 OFFSET(PT_GS, pt_regs, gs); 80 OFFSET(PT_ORIG_EAX, pt_regs, orig_ax); 81 OFFSET(PT_EIP, pt_regs, ip); 82 OFFSET(PT_CS, pt_regs, cs); 83 OFFSET(PT_EFLAGS, pt_regs, flags); 84 OFFSET(PT_OLDESP, pt_regs, sp); 85 OFFSET(PT_OLDSS, pt_regs, ss); 86 BLANK(); 87 88 OFFSET(EXEC_DOMAIN_handler, exec_domain, handler); 89 OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext); 90 BLANK(); 91 92 OFFSET(pbe_address, pbe, address); 93 OFFSET(pbe_orig_address, pbe, orig_address); 94 OFFSET(pbe_next, pbe, next); 95 96 /* Offset from the sysenter stack to tss.sp0 */ 97 DEFINE(TSS_sysenter_sp0, offsetof(struct tss_struct, x86_tss.sp0) - 98 sizeof(struct tss_struct)); 99 100 DEFINE(PAGE_SIZE_asm, PAGE_SIZE); 101 DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT); 102 DEFINE(THREAD_SIZE_asm, THREAD_SIZE); 103 104 OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); 105 106 #ifdef CONFIG_PARAVIRT 107 BLANK(); 108 OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled); 109 OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops); 110 OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops); 111 OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable); 112 OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable); 113 OFFSET(PV_CPU_iret, pv_cpu_ops, iret); 114 OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit); 115 OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0); 116 #endif 117 118 #ifdef CONFIG_XEN 119 BLANK(); 120 OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); 121 OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending); 122 #endif 123 124 #if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE) 125 BLANK(); 126 OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled); 127 OFFSET(LGUEST_DATA_irq_pending, lguest_data, irq_pending); 128 OFFSET(LGUEST_DATA_pgdir, lguest_data, pgdir); 129 130 BLANK(); 131 OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc); 132 OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc); 133 OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3); 134 OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp); 135 OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc); 136 OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc); 137 OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt); 138 OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum); 139 OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode); 140 OFFSET(LGUEST_PAGES_regs, lguest_pages, regs); 141 #endif 142 143 BLANK(); 144 OFFSET(BP_scratch, boot_params, scratch); 145 OFFSET(BP_loadflags, boot_params, hdr.loadflags); 146 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch); 147 OFFSET(BP_version, boot_params, hdr.version); 148 OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment); 149 } 150