155 lines
5.1 KiB
C
155 lines
5.1 KiB
C
/*
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* Generate definitions needed by assembly language modules.
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* This code generates raw asm output which is post-processed
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* to extract and format the required data.
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*/
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#include <linux/crypto.h>
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#include <linux/sched.h>
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#include <linux/signal.h>
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#include <linux/personality.h>
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#include <linux/suspend.h>
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#include <asm/ucontext.h>
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#include "sigframe.h"
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#include <asm/pgtable.h>
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#include <asm/fixmap.h>
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#include <asm/processor.h>
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#include <asm/thread_info.h>
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#include <asm/bootparam.h>
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#include <asm/elf.h>
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#include <xen/interface/xen.h>
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#include <linux/lguest.h>
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#include "../../../drivers/lguest/lg.h"
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#define DEFINE(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val))
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#define BLANK() asm volatile("\n->" : : )
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#define OFFSET(sym, str, mem) \
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DEFINE(sym, offsetof(struct str, mem));
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/* workaround for a warning with -Wmissing-prototypes */
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void foo(void);
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void foo(void)
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{
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OFFSET(IA32_SIGCONTEXT_ax, sigcontext, ax);
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OFFSET(IA32_SIGCONTEXT_bx, sigcontext, bx);
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OFFSET(IA32_SIGCONTEXT_cx, sigcontext, cx);
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OFFSET(IA32_SIGCONTEXT_dx, sigcontext, dx);
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OFFSET(IA32_SIGCONTEXT_si, sigcontext, si);
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OFFSET(IA32_SIGCONTEXT_di, sigcontext, di);
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OFFSET(IA32_SIGCONTEXT_bp, sigcontext, bp);
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OFFSET(IA32_SIGCONTEXT_sp, sigcontext, sp);
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OFFSET(IA32_SIGCONTEXT_ip, sigcontext, ip);
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BLANK();
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OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
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OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
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OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
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OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
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OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math);
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OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
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OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
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OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
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BLANK();
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OFFSET(TI_task, thread_info, task);
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OFFSET(TI_exec_domain, thread_info, exec_domain);
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OFFSET(TI_flags, thread_info, flags);
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OFFSET(TI_status, thread_info, status);
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OFFSET(TI_preempt_count, thread_info, preempt_count);
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OFFSET(TI_addr_limit, thread_info, addr_limit);
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OFFSET(TI_restart_block, thread_info, restart_block);
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OFFSET(TI_sysenter_return, thread_info, sysenter_return);
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OFFSET(TI_cpu, thread_info, cpu);
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BLANK();
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OFFSET(GDS_size, desc_ptr, size);
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OFFSET(GDS_address, desc_ptr, address);
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BLANK();
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OFFSET(PT_EBX, pt_regs, bx);
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OFFSET(PT_ECX, pt_regs, cx);
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OFFSET(PT_EDX, pt_regs, dx);
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OFFSET(PT_ESI, pt_regs, si);
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OFFSET(PT_EDI, pt_regs, di);
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OFFSET(PT_EBP, pt_regs, bp);
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OFFSET(PT_EAX, pt_regs, ax);
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OFFSET(PT_DS, pt_regs, ds);
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OFFSET(PT_ES, pt_regs, es);
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OFFSET(PT_FS, pt_regs, fs);
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OFFSET(PT_ORIG_EAX, pt_regs, orig_ax);
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OFFSET(PT_EIP, pt_regs, ip);
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OFFSET(PT_CS, pt_regs, cs);
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OFFSET(PT_EFLAGS, pt_regs, flags);
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OFFSET(PT_OLDESP, pt_regs, sp);
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OFFSET(PT_OLDSS, pt_regs, ss);
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BLANK();
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OFFSET(EXEC_DOMAIN_handler, exec_domain, handler);
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OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
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BLANK();
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OFFSET(pbe_address, pbe, address);
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OFFSET(pbe_orig_address, pbe, orig_address);
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OFFSET(pbe_next, pbe, next);
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/* Offset from the sysenter stack to tss.sp0 */
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DEFINE(TSS_sysenter_sp0, offsetof(struct tss_struct, x86_tss.sp0) -
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sizeof(struct tss_struct));
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DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
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DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT);
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DEFINE(PTRS_PER_PTE, PTRS_PER_PTE);
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DEFINE(PTRS_PER_PMD, PTRS_PER_PMD);
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DEFINE(PTRS_PER_PGD, PTRS_PER_PGD);
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OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
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#ifdef CONFIG_PARAVIRT
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BLANK();
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OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled);
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OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops);
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OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
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OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
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OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
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OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
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OFFSET(PV_CPU_irq_enable_syscall_ret, pv_cpu_ops, irq_enable_syscall_ret);
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OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
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#endif
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#ifdef CONFIG_XEN
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BLANK();
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OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
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OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
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#endif
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#if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE)
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BLANK();
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OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
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OFFSET(LGUEST_DATA_pgdir, lguest_data, pgdir);
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BLANK();
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OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
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OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
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OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
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OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
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OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
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OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
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OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
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OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
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OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
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OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
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#endif
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BLANK();
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OFFSET(BP_scratch, boot_params, scratch);
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OFFSET(BP_loadflags, boot_params, hdr.loadflags);
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OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
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OFFSET(BP_version, boot_params, hdr.version);
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}
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