1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Based on arch/arm/kernel/asm-offsets.c 4 * 5 * Copyright (C) 1995-2003 Russell King 6 * 2001-2002 Keith Owens 7 * Copyright (C) 2012 ARM Ltd. 8 */ 9 10 #include <linux/arm_sdei.h> 11 #include <linux/sched.h> 12 #include <linux/mm.h> 13 #include <linux/dma-mapping.h> 14 #include <linux/kvm_host.h> 15 #include <linux/preempt.h> 16 #include <linux/suspend.h> 17 #include <asm/cpufeature.h> 18 #include <asm/fixmap.h> 19 #include <asm/thread_info.h> 20 #include <asm/memory.h> 21 #include <asm/signal32.h> 22 #include <asm/smp_plat.h> 23 #include <asm/suspend.h> 24 #include <linux/kbuild.h> 25 #include <linux/arm-smccc.h> 26 27 int main(void) 28 { 29 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); 30 BLANK(); 31 DEFINE(TSK_TI_FLAGS, offsetof(struct task_struct, thread_info.flags)); 32 DEFINE(TSK_TI_PREEMPT, offsetof(struct task_struct, thread_info.preempt_count)); 33 #ifdef CONFIG_ARM64_SW_TTBR0_PAN 34 DEFINE(TSK_TI_TTBR0, offsetof(struct task_struct, thread_info.ttbr0)); 35 #endif 36 #ifdef CONFIG_SHADOW_CALL_STACK 37 DEFINE(TSK_TI_SCS_BASE, offsetof(struct task_struct, thread_info.scs_base)); 38 DEFINE(TSK_TI_SCS_SP, offsetof(struct task_struct, thread_info.scs_sp)); 39 #endif 40 DEFINE(TSK_STACK, offsetof(struct task_struct, stack)); 41 #ifdef CONFIG_STACKPROTECTOR 42 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary)); 43 #endif 44 BLANK(); 45 DEFINE(THREAD_CPU_CONTEXT, offsetof(struct task_struct, thread.cpu_context)); 46 #ifdef CONFIG_ARM64_PTR_AUTH 47 DEFINE(THREAD_KEYS_USER, offsetof(struct task_struct, thread.keys_user)); 48 DEFINE(THREAD_KEYS_KERNEL, offsetof(struct task_struct, thread.keys_kernel)); 49 #endif 50 BLANK(); 51 DEFINE(S_X0, offsetof(struct pt_regs, regs[0])); 52 DEFINE(S_X2, offsetof(struct pt_regs, regs[2])); 53 DEFINE(S_X4, offsetof(struct pt_regs, regs[4])); 54 DEFINE(S_X6, offsetof(struct pt_regs, regs[6])); 55 DEFINE(S_X8, offsetof(struct pt_regs, regs[8])); 56 DEFINE(S_X10, offsetof(struct pt_regs, regs[10])); 57 DEFINE(S_X12, offsetof(struct pt_regs, regs[12])); 58 DEFINE(S_X14, offsetof(struct pt_regs, regs[14])); 59 DEFINE(S_X16, offsetof(struct pt_regs, regs[16])); 60 DEFINE(S_X18, offsetof(struct pt_regs, regs[18])); 61 DEFINE(S_X20, offsetof(struct pt_regs, regs[20])); 62 DEFINE(S_X22, offsetof(struct pt_regs, regs[22])); 63 DEFINE(S_X24, offsetof(struct pt_regs, regs[24])); 64 DEFINE(S_X26, offsetof(struct pt_regs, regs[26])); 65 DEFINE(S_X28, offsetof(struct pt_regs, regs[28])); 66 DEFINE(S_FP, offsetof(struct pt_regs, regs[29])); 67 DEFINE(S_LR, offsetof(struct pt_regs, regs[30])); 68 DEFINE(S_SP, offsetof(struct pt_regs, sp)); 69 DEFINE(S_PSTATE, offsetof(struct pt_regs, pstate)); 70 DEFINE(S_PC, offsetof(struct pt_regs, pc)); 71 DEFINE(S_SYSCALLNO, offsetof(struct pt_regs, syscallno)); 72 DEFINE(S_SDEI_TTBR1, offsetof(struct pt_regs, sdei_ttbr1)); 73 DEFINE(S_PMR_SAVE, offsetof(struct pt_regs, pmr_save)); 74 DEFINE(S_STACKFRAME, offsetof(struct pt_regs, stackframe)); 75 DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs)); 76 BLANK(); 77 #ifdef CONFIG_COMPAT 78 DEFINE(COMPAT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_sigframe, uc.uc_mcontext.arm_r0)); 79 DEFINE(COMPAT_RT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_rt_sigframe, sig.uc.uc_mcontext.arm_r0)); 80 BLANK(); 81 #endif 82 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter)); 83 BLANK(); 84 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); 85 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); 86 BLANK(); 87 DEFINE(VM_EXEC, VM_EXEC); 88 BLANK(); 89 DEFINE(PAGE_SZ, PAGE_SIZE); 90 BLANK(); 91 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); 92 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE); 93 BLANK(); 94 DEFINE(PREEMPT_DISABLE_OFFSET, PREEMPT_DISABLE_OFFSET); 95 BLANK(); 96 DEFINE(CPU_BOOT_STACK, offsetof(struct secondary_data, stack)); 97 DEFINE(CPU_BOOT_TASK, offsetof(struct secondary_data, task)); 98 BLANK(); 99 #ifdef CONFIG_KVM 100 DEFINE(VCPU_CONTEXT, offsetof(struct kvm_vcpu, arch.ctxt)); 101 DEFINE(VCPU_FAULT_DISR, offsetof(struct kvm_vcpu, arch.fault.disr_el1)); 102 DEFINE(VCPU_WORKAROUND_FLAGS, offsetof(struct kvm_vcpu, arch.workaround_flags)); 103 DEFINE(VCPU_HCR_EL2, offsetof(struct kvm_vcpu, arch.hcr_el2)); 104 DEFINE(CPU_USER_PT_REGS, offsetof(struct kvm_cpu_context, regs)); 105 DEFINE(CPU_APIAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APIAKEYLO_EL1])); 106 DEFINE(CPU_APIBKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APIBKEYLO_EL1])); 107 DEFINE(CPU_APDAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APDAKEYLO_EL1])); 108 DEFINE(CPU_APDBKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APDBKEYLO_EL1])); 109 DEFINE(CPU_APGAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APGAKEYLO_EL1])); 110 DEFINE(HOST_CONTEXT_VCPU, offsetof(struct kvm_cpu_context, __hyp_running_vcpu)); 111 DEFINE(HOST_DATA_CONTEXT, offsetof(struct kvm_host_data, host_ctxt)); 112 #endif 113 #ifdef CONFIG_CPU_PM 114 DEFINE(CPU_CTX_SP, offsetof(struct cpu_suspend_ctx, sp)); 115 DEFINE(MPIDR_HASH_MASK, offsetof(struct mpidr_hash, mask)); 116 DEFINE(MPIDR_HASH_SHIFTS, offsetof(struct mpidr_hash, shift_aff)); 117 DEFINE(SLEEP_STACK_DATA_SYSTEM_REGS, offsetof(struct sleep_stack_data, system_regs)); 118 DEFINE(SLEEP_STACK_DATA_CALLEE_REGS, offsetof(struct sleep_stack_data, callee_saved_regs)); 119 #endif 120 DEFINE(ARM_SMCCC_RES_X0_OFFS, offsetof(struct arm_smccc_res, a0)); 121 DEFINE(ARM_SMCCC_RES_X2_OFFS, offsetof(struct arm_smccc_res, a2)); 122 DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id)); 123 DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state)); 124 BLANK(); 125 DEFINE(HIBERN_PBE_ORIG, offsetof(struct pbe, orig_address)); 126 DEFINE(HIBERN_PBE_ADDR, offsetof(struct pbe, address)); 127 DEFINE(HIBERN_PBE_NEXT, offsetof(struct pbe, next)); 128 DEFINE(ARM64_FTR_SYSVAL, offsetof(struct arm64_ftr_reg, sys_val)); 129 BLANK(); 130 #ifdef CONFIG_UNMAP_KERNEL_AT_EL0 131 DEFINE(TRAMP_VALIAS, TRAMP_VALIAS); 132 #endif 133 #ifdef CONFIG_ARM_SDE_INTERFACE 134 DEFINE(SDEI_EVENT_INTREGS, offsetof(struct sdei_registered_event, interrupted_regs)); 135 DEFINE(SDEI_EVENT_PRIORITY, offsetof(struct sdei_registered_event, priority)); 136 #endif 137 #ifdef CONFIG_ARM64_PTR_AUTH 138 DEFINE(PTRAUTH_USER_KEY_APIA, offsetof(struct ptrauth_keys_user, apia)); 139 DEFINE(PTRAUTH_USER_KEY_APIB, offsetof(struct ptrauth_keys_user, apib)); 140 DEFINE(PTRAUTH_USER_KEY_APDA, offsetof(struct ptrauth_keys_user, apda)); 141 DEFINE(PTRAUTH_USER_KEY_APDB, offsetof(struct ptrauth_keys_user, apdb)); 142 DEFINE(PTRAUTH_USER_KEY_APGA, offsetof(struct ptrauth_keys_user, apga)); 143 DEFINE(PTRAUTH_KERNEL_KEY_APIA, offsetof(struct ptrauth_keys_kernel, apia)); 144 BLANK(); 145 #endif 146 return 0; 147 } 148