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/errno.h> 12#include <linux/hardirq.h> 13#include <linux/suspend.h> 14#include <linux/kbuild.h> 15#include <asm/processor.h> 16#include <asm/segment.h> 17#include <asm/thread_info.h> 18#include <asm/ia32.h> 19#include <asm/bootparam.h> 20#include <asm/suspend.h> 21 22#include <xen/interface/xen.h> 23 24#include <asm/sigframe.h> 25 26#define __NO_STUBS 1 27#undef __SYSCALL 28#undef _ASM_X86_UNISTD_64_H 29#define __SYSCALL(nr, sym) [nr] = 1, 30static char syscalls[] = { 31#include <asm/unistd.h> 32}; 33 34int main(void) 35{ 36#define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry)) 37 ENTRY(state); 38 ENTRY(flags); 39 ENTRY(pid); 40 BLANK(); 41#undef ENTRY 42#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry)) 43 ENTRY(flags); 44 ENTRY(addr_limit); 45 ENTRY(preempt_count); 46 ENTRY(status); 47#ifdef CONFIG_IA32_EMULATION 48 ENTRY(sysenter_return); 49#endif 50 BLANK(); 51#undef ENTRY 52#ifdef CONFIG_PARAVIRT 53 BLANK(); 54 OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled); 55 OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops); 56 OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops); 57 OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable); 58 OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable); 59 OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame); 60 OFFSET(PV_CPU_iret, pv_cpu_ops, iret); 61 OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32); 62 OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64); 63 OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit); 64 OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs); 65 OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2); 66#endif 67 68 69#ifdef CONFIG_IA32_EMULATION 70#define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry)) 71 ENTRY(ax); 72 ENTRY(bx); 73 ENTRY(cx); 74 ENTRY(dx); 75 ENTRY(si); 76 ENTRY(di); 77 ENTRY(bp); 78 ENTRY(sp); 79 ENTRY(ip); 80 BLANK(); 81#undef ENTRY 82 DEFINE(IA32_RT_SIGFRAME_sigcontext, 83 offsetof (struct rt_sigframe_ia32, uc.uc_mcontext)); 84 BLANK(); 85#endif 86 DEFINE(pbe_address, offsetof(struct pbe, address)); 87 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); 88 DEFINE(pbe_next, offsetof(struct pbe, next)); 89 BLANK(); 90#define ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry)) 91 ENTRY(bx); 92 ENTRY(bx); 93 ENTRY(cx); 94 ENTRY(dx); 95 ENTRY(sp); 96 ENTRY(bp); 97 ENTRY(si); 98 ENTRY(di); 99 ENTRY(r8); 100 ENTRY(r9); 101 ENTRY(r10); 102 ENTRY(r11); 103 ENTRY(r12); 104 ENTRY(r13); 105 ENTRY(r14); 106 ENTRY(r15); 107 ENTRY(flags); 108 BLANK(); 109#undef ENTRY 110#define ENTRY(entry) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry)) 111 ENTRY(cr0); 112 ENTRY(cr2); 113 ENTRY(cr3); 114 ENTRY(cr4); 115 ENTRY(cr8); 116 BLANK(); 117#undef ENTRY 118 DEFINE(TSS_ist, offsetof(struct tss_struct, x86_tss.ist)); 119 BLANK(); 120 DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx)); 121 BLANK(); 122 DEFINE(__NR_syscall_max, sizeof(syscalls) - 1); 123 124 BLANK(); 125 OFFSET(BP_scratch, boot_params, scratch); 126 OFFSET(BP_loadflags, boot_params, hdr.loadflags); 127 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch); 128 OFFSET(BP_version, boot_params, hdr.version); 129 OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment); 130 131 BLANK(); 132 DEFINE(PAGE_SIZE_asm, PAGE_SIZE); 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#undef ENTRY 138#endif 139 return 0; 140} 141