/* * Generate definitions needed by assembly language modules. * This code generates raw asm output which is post-processed * to extract and format the required data. */ #include <linux/crypto.h> #include <linux/sched.h> #include <linux/signal.h> #include <linux/personality.h> #include <linux/suspend.h> #include <asm/ucontext.h> #include "sigframe.h" #include <asm/pgtable.h> #include <asm/fixmap.h> #include <asm/processor.h> #include <asm/thread_info.h> #include <asm/elf.h> #include <xen/interface/xen.h> #ifdef CONFIG_LGUEST_GUEST #include <linux/lguest.h> #include "../../../drivers/lguest/lg.h" #endif #define DEFINE(sym, val) \ asm volatile("\n->" #sym " %0 " #val : : "i" (val)) #define BLANK() asm volatile("\n->" : : ) #define OFFSET(sym, str, mem) \ DEFINE(sym, offsetof(struct str, mem)); /* workaround for a warning with -Wmissing-prototypes */ void foo(void); void foo(void) { OFFSET(SIGCONTEXT_eax, sigcontext, eax); OFFSET(SIGCONTEXT_ebx, sigcontext, ebx); OFFSET(SIGCONTEXT_ecx, sigcontext, ecx); OFFSET(SIGCONTEXT_edx, sigcontext, edx); OFFSET(SIGCONTEXT_esi, sigcontext, esi); OFFSET(SIGCONTEXT_edi, sigcontext, edi); OFFSET(SIGCONTEXT_ebp, sigcontext, ebp); OFFSET(SIGCONTEXT_esp, sigcontext, esp); OFFSET(SIGCONTEXT_eip, sigcontext, eip); BLANK(); OFFSET(CPUINFO_x86, cpuinfo_x86, x86); OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor); OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model); OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask); OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math); OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level); OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability); OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id); BLANK(); OFFSET(TI_task, thread_info, task); OFFSET(TI_exec_domain, thread_info, exec_domain); OFFSET(TI_flags, thread_info, flags); OFFSET(TI_status, thread_info, status); OFFSET(TI_preempt_count, thread_info, preempt_count); OFFSET(TI_addr_limit, thread_info, addr_limit); OFFSET(TI_restart_block, thread_info, restart_block); OFFSET(TI_sysenter_return, thread_info, sysenter_return); OFFSET(TI_cpu, thread_info, cpu); BLANK(); OFFSET(GDS_size, Xgt_desc_struct, size); OFFSET(GDS_address, Xgt_desc_struct, address); OFFSET(GDS_pad, Xgt_desc_struct, pad); BLANK(); OFFSET(PT_EBX, pt_regs, ebx); OFFSET(PT_ECX, pt_regs, ecx); OFFSET(PT_EDX, pt_regs, edx); OFFSET(PT_ESI, pt_regs, esi); OFFSET(PT_EDI, pt_regs, edi); OFFSET(PT_EBP, pt_regs, ebp); OFFSET(PT_EAX, pt_regs, eax); OFFSET(PT_DS, pt_regs, xds); OFFSET(PT_ES, pt_regs, xes); OFFSET(PT_FS, pt_regs, xfs); OFFSET(PT_ORIG_EAX, pt_regs, orig_eax); OFFSET(PT_EIP, pt_regs, eip); OFFSET(PT_CS, pt_regs, xcs); OFFSET(PT_EFLAGS, pt_regs, eflags); OFFSET(PT_OLDESP, pt_regs, esp); OFFSET(PT_OLDSS, pt_regs, xss); BLANK(); OFFSET(EXEC_DOMAIN_handler, exec_domain, handler); OFFSET(RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext); BLANK(); OFFSET(pbe_address, pbe, address); OFFSET(pbe_orig_address, pbe, orig_address); OFFSET(pbe_next, pbe, next); /* Offset from the sysenter stack to tss.esp0 */ DEFINE(TSS_sysenter_esp0, offsetof(struct tss_struct, x86_tss.esp0) - sizeof(struct tss_struct)); DEFINE(PAGE_SIZE_asm, PAGE_SIZE); DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT); DEFINE(PTRS_PER_PTE, PTRS_PER_PTE); DEFINE(PTRS_PER_PMD, PTRS_PER_PMD); DEFINE(PTRS_PER_PGD, PTRS_PER_PGD); DEFINE(VDSO_PRELINK_asm, VDSO_PRELINK); OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); #ifdef CONFIG_PARAVIRT BLANK(); OFFSET(PARAVIRT_enabled, paravirt_ops, paravirt_enabled); OFFSET(PARAVIRT_irq_disable, paravirt_ops, irq_disable); OFFSET(PARAVIRT_irq_enable, paravirt_ops, irq_enable); OFFSET(PARAVIRT_irq_enable_sysexit, paravirt_ops, irq_enable_sysexit); OFFSET(PARAVIRT_iret, paravirt_ops, iret); OFFSET(PARAVIRT_read_cr0, paravirt_ops, read_cr0); #endif #ifdef CONFIG_XEN BLANK(); OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending); #endif #ifdef CONFIG_LGUEST_GUEST BLANK(); OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled); OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc); OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc); OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3); OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp); OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc); OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc); OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt); OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum); OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode); OFFSET(LGUEST_PAGES_regs, lguest_pages, regs); #endif }