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/processor.h> 15 #include <asm/segment.h> 16 #include <asm/thread_info.h> 17 #include <asm/ia32.h> 18 #include <asm/bootparam.h> 19 #include <asm/suspend.h> 20 21 #include <xen/interface/xen.h> 22 23 #include <asm/sigframe.h> 24 25 #define __NO_STUBS 1 26 #undef __SYSCALL 27 #undef _ASM_X86_UNISTD_64_H 28 #define __SYSCALL(nr, sym) [nr] = 1, 29 static char syscalls[] = { 30 #include <asm/unistd.h> 31 }; 32 33 int main(void) 34 { 35 #define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry)) 36 ENTRY(state); 37 ENTRY(flags); 38 ENTRY(pid); 39 BLANK(); 40 #undef ENTRY 41 #define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry)) 42 ENTRY(flags); 43 ENTRY(addr_limit); 44 ENTRY(preempt_count); 45 ENTRY(status); 46 #ifdef CONFIG_IA32_EMULATION 47 ENTRY(sysenter_return); 48 #endif 49 BLANK(); 50 #undef ENTRY 51 #ifdef CONFIG_PARAVIRT 52 BLANK(); 53 OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled); 54 OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops); 55 OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops); 56 OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable); 57 OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable); 58 OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame); 59 OFFSET(PV_CPU_iret, pv_cpu_ops, iret); 60 OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32); 61 OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64); 62 OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit); 63 OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs); 64 OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2); 65 #endif 66 67 68 #ifdef CONFIG_IA32_EMULATION 69 #define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry)) 70 ENTRY(ax); 71 ENTRY(bx); 72 ENTRY(cx); 73 ENTRY(dx); 74 ENTRY(si); 75 ENTRY(di); 76 ENTRY(bp); 77 ENTRY(sp); 78 ENTRY(ip); 79 BLANK(); 80 #undef ENTRY 81 DEFINE(IA32_RT_SIGFRAME_sigcontext, 82 offsetof (struct rt_sigframe_ia32, uc.uc_mcontext)); 83 BLANK(); 84 #endif 85 DEFINE(pbe_address, offsetof(struct pbe, address)); 86 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); 87 DEFINE(pbe_next, offsetof(struct pbe, next)); 88 BLANK(); 89 #define ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry)) 90 ENTRY(bx); 91 ENTRY(bx); 92 ENTRY(cx); 93 ENTRY(dx); 94 ENTRY(sp); 95 ENTRY(bp); 96 ENTRY(si); 97 ENTRY(di); 98 ENTRY(r8); 99 ENTRY(r9); 100 ENTRY(r10); 101 ENTRY(r11); 102 ENTRY(r12); 103 ENTRY(r13); 104 ENTRY(r14); 105 ENTRY(r15); 106 ENTRY(flags); 107 BLANK(); 108 #undef ENTRY 109 #define ENTRY(entry) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry)) 110 ENTRY(cr0); 111 ENTRY(cr2); 112 ENTRY(cr3); 113 ENTRY(cr4); 114 ENTRY(cr8); 115 BLANK(); 116 #undef ENTRY 117 DEFINE(TSS_ist, offsetof(struct tss_struct, x86_tss.ist)); 118 BLANK(); 119 DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx)); 120 BLANK(); 121 DEFINE(__NR_syscall_max, sizeof(syscalls) - 1); 122 123 BLANK(); 124 OFFSET(BP_scratch, boot_params, scratch); 125 OFFSET(BP_loadflags, boot_params, hdr.loadflags); 126 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch); 127 OFFSET(BP_version, boot_params, hdr.version); 128 129 BLANK(); 130 DEFINE(PAGE_SIZE_asm, PAGE_SIZE); 131 #ifdef CONFIG_XEN 132 BLANK(); 133 OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); 134 OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending); 135 #undef ENTRY 136 #endif 137 return 0; 138 } 139