1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Generate definitions needed by assembly language modules. 4 * This code generates raw asm output which is post-processed to extract 5 * and format the required data. 6 */ 7 #define COMPILE_OFFSETS 8 9 #include <linux/crypto.h> 10 #include <linux/sched.h> 11 #include <linux/stddef.h> 12 #include <linux/hardirq.h> 13 #include <linux/suspend.h> 14 #include <linux/kbuild.h> 15 #include <asm/processor.h> 16 #include <asm/thread_info.h> 17 #include <asm/sigframe.h> 18 #include <asm/bootparam.h> 19 #include <asm/suspend.h> 20 #include <asm/tlbflush.h> 21 22 #ifdef CONFIG_XEN 23 #include <xen/interface/xen.h> 24 #endif 25 26 #ifdef CONFIG_X86_32 27 # include "asm-offsets_32.c" 28 #else 29 # include "asm-offsets_64.c" 30 #endif 31 32 static void __used common(void) 33 { 34 BLANK(); 35 OFFSET(TASK_threadsp, task_struct, thread.sp); 36 #ifdef CONFIG_STACKPROTECTOR 37 OFFSET(TASK_stack_canary, task_struct, stack_canary); 38 #endif 39 40 BLANK(); 41 OFFSET(TASK_TI_flags, task_struct, thread_info.flags); 42 OFFSET(TASK_addr_limit, task_struct, thread.addr_limit); 43 44 BLANK(); 45 OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); 46 47 BLANK(); 48 OFFSET(pbe_address, pbe, address); 49 OFFSET(pbe_orig_address, pbe, orig_address); 50 OFFSET(pbe_next, pbe, next); 51 52 #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) 53 BLANK(); 54 OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax); 55 OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx); 56 OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx); 57 OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx); 58 OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si); 59 OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di); 60 OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp); 61 OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp); 62 OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip); 63 64 BLANK(); 65 OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext); 66 #endif 67 68 #ifdef CONFIG_PARAVIRT_XXL 69 BLANK(); 70 OFFSET(PV_IRQ_irq_disable, paravirt_patch_template, irq.irq_disable); 71 OFFSET(PV_IRQ_irq_enable, paravirt_patch_template, irq.irq_enable); 72 OFFSET(PV_CPU_iret, paravirt_patch_template, cpu.iret); 73 OFFSET(PV_MMU_read_cr2, paravirt_patch_template, mmu.read_cr2); 74 #endif 75 76 #ifdef CONFIG_XEN 77 BLANK(); 78 OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); 79 OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending); 80 #endif 81 82 BLANK(); 83 OFFSET(BP_scratch, boot_params, scratch); 84 OFFSET(BP_secure_boot, boot_params, secure_boot); 85 OFFSET(BP_loadflags, boot_params, hdr.loadflags); 86 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch); 87 OFFSET(BP_version, boot_params, hdr.version); 88 OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment); 89 OFFSET(BP_init_size, boot_params, hdr.init_size); 90 OFFSET(BP_pref_address, boot_params, hdr.pref_address); 91 OFFSET(BP_code32_start, boot_params, hdr.code32_start); 92 93 BLANK(); 94 DEFINE(PTREGS_SIZE, sizeof(struct pt_regs)); 95 96 /* TLB state for the entry code */ 97 OFFSET(TLB_STATE_user_pcid_flush_mask, tlb_state, user_pcid_flush_mask); 98 99 /* Layout info for cpu_entry_area */ 100 OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page); 101 DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack)); 102 DEFINE(MASK_entry_stack, (~(sizeof(struct entry_stack) - 1))); 103 104 /* Offset for fields in tss_struct */ 105 OFFSET(TSS_sp0, tss_struct, x86_tss.sp0); 106 OFFSET(TSS_sp1, tss_struct, x86_tss.sp1); 107 OFFSET(TSS_sp2, tss_struct, x86_tss.sp2); 108 } 109