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 <asm/pda.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 20 #define DEFINE(sym, val) \ 21 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 22 23 #define BLANK() asm volatile("\n->" : : ) 24 25 #define OFFSET(sym, str, mem) \ 26 DEFINE(sym, offsetof(struct str, mem)) 27 28 #define __NO_STUBS 1 29 #undef __SYSCALL 30 #undef _ASM_X86_64_UNISTD_H_ 31 #define __SYSCALL(nr, sym) [nr] = 1, 32 static char syscalls[] = { 33 #include <asm/unistd.h> 34 }; 35 36 int main(void) 37 { 38 #define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry)) 39 ENTRY(state); 40 ENTRY(flags); 41 ENTRY(pid); 42 BLANK(); 43 #undef ENTRY 44 #define ENTRY(entry) DEFINE(threadinfo_ ## entry, offsetof(struct thread_info, entry)) 45 ENTRY(flags); 46 ENTRY(addr_limit); 47 ENTRY(preempt_count); 48 ENTRY(status); 49 #ifdef CONFIG_IA32_EMULATION 50 ENTRY(sysenter_return); 51 #endif 52 BLANK(); 53 #undef ENTRY 54 #define ENTRY(entry) DEFINE(pda_ ## entry, offsetof(struct x8664_pda, entry)) 55 ENTRY(kernelstack); 56 ENTRY(oldrsp); 57 ENTRY(pcurrent); 58 ENTRY(irqcount); 59 ENTRY(cpunumber); 60 ENTRY(irqstackptr); 61 ENTRY(data_offset); 62 BLANK(); 63 #undef ENTRY 64 #ifdef CONFIG_PARAVIRT 65 BLANK(); 66 OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled); 67 OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops); 68 OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops); 69 OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable); 70 OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable); 71 OFFSET(PV_CPU_iret, pv_cpu_ops, iret); 72 OFFSET(PV_CPU_irq_enable_syscall_ret, pv_cpu_ops, irq_enable_syscall_ret); 73 OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs); 74 OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2); 75 #endif 76 77 78 #ifdef CONFIG_IA32_EMULATION 79 #define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry)) 80 ENTRY(ax); 81 ENTRY(bx); 82 ENTRY(cx); 83 ENTRY(dx); 84 ENTRY(si); 85 ENTRY(di); 86 ENTRY(bp); 87 ENTRY(sp); 88 ENTRY(ip); 89 BLANK(); 90 #undef ENTRY 91 DEFINE(IA32_RT_SIGFRAME_sigcontext, 92 offsetof (struct rt_sigframe32, uc.uc_mcontext)); 93 BLANK(); 94 #endif 95 DEFINE(pbe_address, offsetof(struct pbe, address)); 96 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); 97 DEFINE(pbe_next, offsetof(struct pbe, next)); 98 BLANK(); 99 #define ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry)) 100 ENTRY(bx); 101 ENTRY(bx); 102 ENTRY(cx); 103 ENTRY(dx); 104 ENTRY(sp); 105 ENTRY(bp); 106 ENTRY(si); 107 ENTRY(di); 108 ENTRY(r8); 109 ENTRY(r9); 110 ENTRY(r10); 111 ENTRY(r11); 112 ENTRY(r12); 113 ENTRY(r13); 114 ENTRY(r14); 115 ENTRY(r15); 116 ENTRY(flags); 117 BLANK(); 118 #undef ENTRY 119 #define ENTRY(entry) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry)) 120 ENTRY(cr0); 121 ENTRY(cr2); 122 ENTRY(cr3); 123 ENTRY(cr4); 124 ENTRY(cr8); 125 BLANK(); 126 #undef ENTRY 127 DEFINE(TSS_ist, offsetof(struct tss_struct, x86_tss.ist)); 128 BLANK(); 129 DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx)); 130 BLANK(); 131 DEFINE(__NR_syscall_max, sizeof(syscalls) - 1); 132 133 BLANK(); 134 OFFSET(BP_scratch, boot_params, scratch); 135 OFFSET(BP_loadflags, boot_params, hdr.loadflags); 136 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch); 137 OFFSET(BP_version, boot_params, hdr.version); 138 return 0; 139 } 140