xref: /linux/arch/arm64/kernel/asm-offsets.c (revision 79d2e1919a2728ef49d938eb20ebd5903c14dfb0)
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/ftrace.h>
13 #include <linux/kexec.h>
14 #include <linux/mm.h>
15 #include <linux/kvm_host.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/smp_plat.h>
22 #include <asm/suspend.h>
23 #include <linux/kbuild.h>
24 #include <linux/arm-smccc.h>
25 
26 int main(void)
27 {
28   DEFINE(TSK_TI_CPU,		offsetof(struct task_struct, thread_info.cpu));
29   DEFINE(TSK_TI_FLAGS,		offsetof(struct task_struct, thread_info.flags));
30   DEFINE(TSK_TI_PREEMPT,	offsetof(struct task_struct, thread_info.preempt_count));
31 #ifdef CONFIG_ARM64_SW_TTBR0_PAN
32   DEFINE(TSK_TI_TTBR0,		offsetof(struct task_struct, thread_info.ttbr0));
33 #endif
34 #ifdef CONFIG_SHADOW_CALL_STACK
35   DEFINE(TSK_TI_SCS_BASE,	offsetof(struct task_struct, thread_info.scs_base));
36   DEFINE(TSK_TI_SCS_SP,		offsetof(struct task_struct, thread_info.scs_sp));
37 #endif
38   DEFINE(TSK_STACK,		offsetof(struct task_struct, stack));
39 #ifdef CONFIG_STACKPROTECTOR
40   DEFINE(TSK_STACK_CANARY,	offsetof(struct task_struct, stack_canary));
41 #endif
42   BLANK();
43   DEFINE(THREAD_CPU_CONTEXT,	offsetof(struct task_struct, thread.cpu_context));
44   DEFINE(THREAD_SCTLR_USER,	offsetof(struct task_struct, thread.sctlr_user));
45 #ifdef CONFIG_ARM64_PTR_AUTH
46   DEFINE(THREAD_KEYS_USER,	offsetof(struct task_struct, thread.keys_user));
47 #endif
48 #ifdef CONFIG_ARM64_PTR_AUTH_KERNEL
49   DEFINE(THREAD_KEYS_KERNEL,	offsetof(struct task_struct, thread.keys_kernel));
50 #endif
51 #ifdef CONFIG_ARM64_MTE
52   DEFINE(THREAD_MTE_CTRL,	offsetof(struct task_struct, thread.mte_ctrl));
53 #endif
54   BLANK();
55   DEFINE(S_X0,			offsetof(struct pt_regs, regs[0]));
56   DEFINE(S_X2,			offsetof(struct pt_regs, regs[2]));
57   DEFINE(S_X4,			offsetof(struct pt_regs, regs[4]));
58   DEFINE(S_X6,			offsetof(struct pt_regs, regs[6]));
59   DEFINE(S_X8,			offsetof(struct pt_regs, regs[8]));
60   DEFINE(S_X10,			offsetof(struct pt_regs, regs[10]));
61   DEFINE(S_X12,			offsetof(struct pt_regs, regs[12]));
62   DEFINE(S_X14,			offsetof(struct pt_regs, regs[14]));
63   DEFINE(S_X16,			offsetof(struct pt_regs, regs[16]));
64   DEFINE(S_X18,			offsetof(struct pt_regs, regs[18]));
65   DEFINE(S_X20,			offsetof(struct pt_regs, regs[20]));
66   DEFINE(S_X22,			offsetof(struct pt_regs, regs[22]));
67   DEFINE(S_X24,			offsetof(struct pt_regs, regs[24]));
68   DEFINE(S_X26,			offsetof(struct pt_regs, regs[26]));
69   DEFINE(S_X28,			offsetof(struct pt_regs, regs[28]));
70   DEFINE(S_FP,			offsetof(struct pt_regs, regs[29]));
71   DEFINE(S_LR,			offsetof(struct pt_regs, regs[30]));
72   DEFINE(S_SP,			offsetof(struct pt_regs, sp));
73   DEFINE(S_PC,			offsetof(struct pt_regs, pc));
74   DEFINE(S_PSTATE,		offsetof(struct pt_regs, pstate));
75   DEFINE(S_SYSCALLNO,		offsetof(struct pt_regs, syscallno));
76   DEFINE(S_SDEI_TTBR1,		offsetof(struct pt_regs, sdei_ttbr1));
77   DEFINE(S_PMR,			offsetof(struct pt_regs, pmr));
78   DEFINE(S_STACKFRAME,		offsetof(struct pt_regs, stackframe));
79   DEFINE(S_STACKFRAME_TYPE,	offsetof(struct pt_regs, stackframe.type));
80   DEFINE(PT_REGS_SIZE,		sizeof(struct pt_regs));
81   BLANK();
82 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_ARGS
83   DEFINE(FREGS_X0,		offsetof(struct __arch_ftrace_regs, regs[0]));
84   DEFINE(FREGS_X2,		offsetof(struct __arch_ftrace_regs, regs[2]));
85   DEFINE(FREGS_X4,		offsetof(struct __arch_ftrace_regs, regs[4]));
86   DEFINE(FREGS_X6,		offsetof(struct __arch_ftrace_regs, regs[6]));
87   DEFINE(FREGS_X8,		offsetof(struct __arch_ftrace_regs, regs[8]));
88   DEFINE(FREGS_FP,		offsetof(struct __arch_ftrace_regs, fp));
89   DEFINE(FREGS_LR,		offsetof(struct __arch_ftrace_regs, lr));
90   DEFINE(FREGS_SP,		offsetof(struct __arch_ftrace_regs, sp));
91   DEFINE(FREGS_PC,		offsetof(struct __arch_ftrace_regs, pc));
92 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
93   DEFINE(FREGS_DIRECT_TRAMP,	offsetof(struct __arch_ftrace_regs, direct_tramp));
94 #endif
95   DEFINE(FREGS_SIZE,		sizeof(struct __arch_ftrace_regs));
96   BLANK();
97 #endif
98   DEFINE(CPU_BOOT_TASK,		offsetof(struct secondary_data, task));
99   BLANK();
100   DEFINE(FTR_OVR_VAL_OFFSET,	offsetof(struct arm64_ftr_override, val));
101   DEFINE(FTR_OVR_MASK_OFFSET,	offsetof(struct arm64_ftr_override, mask));
102   BLANK();
103 #ifdef CONFIG_KVM
104   DEFINE(VCPU_CONTEXT,		offsetof(struct kvm_vcpu, arch.ctxt));
105   DEFINE(VCPU_FAULT_DISR,	offsetof(struct kvm_vcpu, arch.fault.disr_el1));
106   DEFINE(VCPU_HCR_EL2,		offsetof(struct kvm_vcpu, arch.hcr_el2));
107   DEFINE(CPU_USER_PT_REGS,	offsetof(struct kvm_cpu_context, regs));
108   DEFINE(CPU_ELR_EL2,		offsetof(struct kvm_cpu_context, sys_regs[ELR_EL2]));
109   DEFINE(CPU_RGSR_EL1,		offsetof(struct kvm_cpu_context, sys_regs[RGSR_EL1]));
110   DEFINE(CPU_GCR_EL1,		offsetof(struct kvm_cpu_context, sys_regs[GCR_EL1]));
111   DEFINE(CPU_APIAKEYLO_EL1,	offsetof(struct kvm_cpu_context, sys_regs[APIAKEYLO_EL1]));
112   DEFINE(CPU_APIBKEYLO_EL1,	offsetof(struct kvm_cpu_context, sys_regs[APIBKEYLO_EL1]));
113   DEFINE(CPU_APDAKEYLO_EL1,	offsetof(struct kvm_cpu_context, sys_regs[APDAKEYLO_EL1]));
114   DEFINE(CPU_APDBKEYLO_EL1,	offsetof(struct kvm_cpu_context, sys_regs[APDBKEYLO_EL1]));
115   DEFINE(CPU_APGAKEYLO_EL1,	offsetof(struct kvm_cpu_context, sys_regs[APGAKEYLO_EL1]));
116   DEFINE(HOST_CONTEXT_VCPU,	offsetof(struct kvm_cpu_context, __hyp_running_vcpu));
117   DEFINE(HOST_DATA_CONTEXT,	offsetof(struct kvm_host_data, host_ctxt));
118   DEFINE(NVHE_INIT_MAIR_EL2,	offsetof(struct kvm_nvhe_init_params, mair_el2));
119   DEFINE(NVHE_INIT_TCR_EL2,	offsetof(struct kvm_nvhe_init_params, tcr_el2));
120   DEFINE(NVHE_INIT_TPIDR_EL2,	offsetof(struct kvm_nvhe_init_params, tpidr_el2));
121   DEFINE(NVHE_INIT_STACK_HYP_VA,	offsetof(struct kvm_nvhe_init_params, stack_hyp_va));
122   DEFINE(NVHE_INIT_PGD_PA,	offsetof(struct kvm_nvhe_init_params, pgd_pa));
123   DEFINE(NVHE_INIT_HCR_EL2,	offsetof(struct kvm_nvhe_init_params, hcr_el2));
124   DEFINE(NVHE_INIT_VTTBR,	offsetof(struct kvm_nvhe_init_params, vttbr));
125   DEFINE(NVHE_INIT_VTCR,	offsetof(struct kvm_nvhe_init_params, vtcr));
126   DEFINE(NVHE_INIT_TMP,		offsetof(struct kvm_nvhe_init_params, tmp));
127 #endif
128 #ifdef CONFIG_CPU_PM
129   DEFINE(CPU_CTX_SP,		offsetof(struct cpu_suspend_ctx, sp));
130   DEFINE(MPIDR_HASH_MASK,	offsetof(struct mpidr_hash, mask));
131   DEFINE(MPIDR_HASH_SHIFTS,	offsetof(struct mpidr_hash, shift_aff));
132   DEFINE(SLEEP_STACK_DATA_SYSTEM_REGS,	offsetof(struct sleep_stack_data, system_regs));
133   DEFINE(SLEEP_STACK_DATA_CALLEE_REGS,	offsetof(struct sleep_stack_data, callee_saved_regs));
134 #endif
135   DEFINE(ARM_SMCCC_RES_X0_OFFS,		offsetof(struct arm_smccc_res, a0));
136   DEFINE(ARM_SMCCC_RES_X2_OFFS,		offsetof(struct arm_smccc_res, a2));
137   DEFINE(ARM_SMCCC_QUIRK_ID_OFFS,	offsetof(struct arm_smccc_quirk, id));
138   DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS,	offsetof(struct arm_smccc_quirk, state));
139   DEFINE(ARM_SMCCC_1_2_REGS_X0_OFFS,	offsetof(struct arm_smccc_1_2_regs, a0));
140   DEFINE(ARM_SMCCC_1_2_REGS_X2_OFFS,	offsetof(struct arm_smccc_1_2_regs, a2));
141   DEFINE(ARM_SMCCC_1_2_REGS_X4_OFFS,	offsetof(struct arm_smccc_1_2_regs, a4));
142   DEFINE(ARM_SMCCC_1_2_REGS_X6_OFFS,	offsetof(struct arm_smccc_1_2_regs, a6));
143   DEFINE(ARM_SMCCC_1_2_REGS_X8_OFFS,	offsetof(struct arm_smccc_1_2_regs, a8));
144   DEFINE(ARM_SMCCC_1_2_REGS_X10_OFFS,	offsetof(struct arm_smccc_1_2_regs, a10));
145   DEFINE(ARM_SMCCC_1_2_REGS_X12_OFFS,	offsetof(struct arm_smccc_1_2_regs, a12));
146   DEFINE(ARM_SMCCC_1_2_REGS_X14_OFFS,	offsetof(struct arm_smccc_1_2_regs, a14));
147   DEFINE(ARM_SMCCC_1_2_REGS_X16_OFFS,	offsetof(struct arm_smccc_1_2_regs, a16));
148   BLANK();
149   DEFINE(HIBERN_PBE_ORIG,	offsetof(struct pbe, orig_address));
150   DEFINE(HIBERN_PBE_ADDR,	offsetof(struct pbe, address));
151   DEFINE(HIBERN_PBE_NEXT,	offsetof(struct pbe, next));
152   DEFINE(ARM64_FTR_SYSVAL,	offsetof(struct arm64_ftr_reg, sys_val));
153   BLANK();
154 #ifdef CONFIG_UNMAP_KERNEL_AT_EL0
155   DEFINE(TRAMP_VALIAS,		TRAMP_VALIAS);
156 #endif
157 #ifdef CONFIG_ARM_SDE_INTERFACE
158   DEFINE(SDEI_EVENT_INTREGS,	offsetof(struct sdei_registered_event, interrupted_regs));
159   DEFINE(SDEI_EVENT_PRIORITY,	offsetof(struct sdei_registered_event, priority));
160 #endif
161 #ifdef CONFIG_ARM64_PTR_AUTH
162   DEFINE(PTRAUTH_USER_KEY_APIA,		offsetof(struct ptrauth_keys_user, apia));
163 #ifdef CONFIG_ARM64_PTR_AUTH_KERNEL
164   DEFINE(PTRAUTH_KERNEL_KEY_APIA,	offsetof(struct ptrauth_keys_kernel, apia));
165 #endif
166   BLANK();
167 #endif
168 #ifdef CONFIG_KEXEC_CORE
169   DEFINE(KIMAGE_ARCH_DTB_MEM,		offsetof(struct kimage, arch.dtb_mem));
170   DEFINE(KIMAGE_ARCH_EL2_VECTORS,	offsetof(struct kimage, arch.el2_vectors));
171   DEFINE(KIMAGE_ARCH_ZERO_PAGE,		offsetof(struct kimage, arch.zero_page));
172   DEFINE(KIMAGE_ARCH_PHYS_OFFSET,	offsetof(struct kimage, arch.phys_offset));
173   DEFINE(KIMAGE_ARCH_TTBR1,		offsetof(struct kimage, arch.ttbr1));
174   DEFINE(KIMAGE_HEAD,			offsetof(struct kimage, head));
175   DEFINE(KIMAGE_START,			offsetof(struct kimage, start));
176   BLANK();
177 #endif
178 #ifdef CONFIG_FUNCTION_TRACER
179   DEFINE(FTRACE_OPS_FUNC,		offsetof(struct ftrace_ops, func));
180 #endif
181   BLANK();
182 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
183   DEFINE(FGRET_REGS_X0,			offsetof(struct fgraph_ret_regs, regs[0]));
184   DEFINE(FGRET_REGS_X1,			offsetof(struct fgraph_ret_regs, regs[1]));
185   DEFINE(FGRET_REGS_X2,			offsetof(struct fgraph_ret_regs, regs[2]));
186   DEFINE(FGRET_REGS_X3,			offsetof(struct fgraph_ret_regs, regs[3]));
187   DEFINE(FGRET_REGS_X4,			offsetof(struct fgraph_ret_regs, regs[4]));
188   DEFINE(FGRET_REGS_X5,			offsetof(struct fgraph_ret_regs, regs[5]));
189   DEFINE(FGRET_REGS_X6,			offsetof(struct fgraph_ret_regs, regs[6]));
190   DEFINE(FGRET_REGS_X7,			offsetof(struct fgraph_ret_regs, regs[7]));
191   DEFINE(FGRET_REGS_FP,			offsetof(struct fgraph_ret_regs, fp));
192   DEFINE(FGRET_REGS_SIZE,		sizeof(struct fgraph_ret_regs));
193 #endif
194 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
195   DEFINE(FTRACE_OPS_DIRECT_CALL,	offsetof(struct ftrace_ops, direct_call));
196 #endif
197   return 0;
198 }
199