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 7 #include <linux/crypto.h> 8 #include <linux/sched.h> 9 #include <linux/stddef.h> 10 #include <linux/errno.h> 11 #include <linux/hardirq.h> 12 #include <linux/suspend.h> 13 #include <linux/kbuild.h> 14 #include <asm/pda.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 21 #include <xen/interface/xen.h> 22 23 #define __NO_STUBS 1 24 #undef __SYSCALL 25 #undef _ASM_X86_64_UNISTD_H_ 26 #define __SYSCALL(nr, sym) [nr] = 1, 27 static char syscalls[] = { 28 #include <asm/unistd.h> 29 }; 30 31 int main(void) 32 { 33 #define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry)) 34 ENTRY(state); 35 ENTRY(flags); 36 ENTRY(pid); 37 BLANK(); 38 #undef ENTRY 39 #define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry)) 40 ENTRY(flags); 41 ENTRY(addr_limit); 42 ENTRY(preempt_count); 43 ENTRY(status); 44 #ifdef CONFIG_IA32_EMULATION 45 ENTRY(sysenter_return); 46 #endif 47 BLANK(); 48 #undef ENTRY 49 #define ENTRY(entry) DEFINE(pda_ ## entry, offsetof(struct x8664_pda, entry)) 50 ENTRY(kernelstack); 51 ENTRY(oldrsp); 52 ENTRY(pcurrent); 53 ENTRY(irqcount); 54 ENTRY(cpunumber); 55 ENTRY(irqstackptr); 56 ENTRY(data_offset); 57 BLANK(); 58 #undef ENTRY 59 #ifdef CONFIG_PARAVIRT 60 BLANK(); 61 OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled); 62 OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops); 63 OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops); 64 OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable); 65 OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable); 66 OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame); 67 OFFSET(PV_CPU_iret, pv_cpu_ops, iret); 68 OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32); 69 OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64); 70 OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit); 71 OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs); 72 OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2); 73 #endif 74 75 76 #ifdef CONFIG_IA32_EMULATION 77 #define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry)) 78 ENTRY(ax); 79 ENTRY(bx); 80 ENTRY(cx); 81 ENTRY(dx); 82 ENTRY(si); 83 ENTRY(di); 84 ENTRY(bp); 85 ENTRY(sp); 86 ENTRY(ip); 87 BLANK(); 88 #undef ENTRY 89 DEFINE(IA32_RT_SIGFRAME_sigcontext, 90 offsetof (struct rt_sigframe32, uc.uc_mcontext)); 91 BLANK(); 92 #endif 93 DEFINE(pbe_address, offsetof(struct pbe, address)); 94 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); 95 DEFINE(pbe_next, offsetof(struct pbe, next)); 96 BLANK(); 97 #define ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry)) 98 ENTRY(bx); 99 ENTRY(bx); 100 ENTRY(cx); 101 ENTRY(dx); 102 ENTRY(sp); 103 ENTRY(bp); 104 ENTRY(si); 105 ENTRY(di); 106 ENTRY(r8); 107 ENTRY(r9); 108 ENTRY(r10); 109 ENTRY(r11); 110 ENTRY(r12); 111 ENTRY(r13); 112 ENTRY(r14); 113 ENTRY(r15); 114 ENTRY(flags); 115 BLANK(); 116 #undef ENTRY 117 #define ENTRY(entry) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry)) 118 ENTRY(cr0); 119 ENTRY(cr2); 120 ENTRY(cr3); 121 ENTRY(cr4); 122 ENTRY(cr8); 123 BLANK(); 124 #undef ENTRY 125 DEFINE(TSS_ist, offsetof(struct tss_struct, x86_tss.ist)); 126 BLANK(); 127 DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx)); 128 BLANK(); 129 DEFINE(__NR_syscall_max, sizeof(syscalls) - 1); 130 131 BLANK(); 132 OFFSET(BP_scratch, boot_params, scratch); 133 OFFSET(BP_loadflags, boot_params, hdr.loadflags); 134 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch); 135 OFFSET(BP_version, boot_params, hdr.version); 136 137 BLANK(); 138 DEFINE(PAGE_SIZE_asm, PAGE_SIZE); 139 #ifdef CONFIG_XEN 140 BLANK(); 141 OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); 142 OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending); 143 #undef ENTRY 144 #endif 145 return 0; 146 } 147