1 // SPDX-License-Identifier: GPL-2.0 2 #ifndef __LINUX_KBUILD_H 3 # error "Please do not build this file directly, build asm-offsets.c instead" 4 #endif 5 6 #include <linux/efi.h> 7 8 #include <asm/ucontext.h> 9 10 #define __SYSCALL_I386(nr, sym, qual) [nr] = 1, 11 static char syscalls[] = { 12 #include <asm/syscalls_32.h> 13 }; 14 15 /* workaround for a warning with -Wmissing-prototypes */ 16 void foo(void); 17 18 void foo(void) 19 { 20 OFFSET(CPUINFO_x86, cpuinfo_x86, x86); 21 OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor); 22 OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model); 23 OFFSET(CPUINFO_x86_stepping, cpuinfo_x86, x86_stepping); 24 OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level); 25 OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability); 26 OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id); 27 BLANK(); 28 29 OFFSET(PT_EBX, pt_regs, bx); 30 OFFSET(PT_ECX, pt_regs, cx); 31 OFFSET(PT_EDX, pt_regs, dx); 32 OFFSET(PT_ESI, pt_regs, si); 33 OFFSET(PT_EDI, pt_regs, di); 34 OFFSET(PT_EBP, pt_regs, bp); 35 OFFSET(PT_EAX, pt_regs, ax); 36 OFFSET(PT_DS, pt_regs, ds); 37 OFFSET(PT_ES, pt_regs, es); 38 OFFSET(PT_FS, pt_regs, fs); 39 OFFSET(PT_GS, pt_regs, gs); 40 OFFSET(PT_ORIG_EAX, pt_regs, orig_ax); 41 OFFSET(PT_EIP, pt_regs, ip); 42 OFFSET(PT_CS, pt_regs, cs); 43 OFFSET(PT_EFLAGS, pt_regs, flags); 44 OFFSET(PT_OLDESP, pt_regs, sp); 45 OFFSET(PT_OLDSS, pt_regs, ss); 46 BLANK(); 47 48 OFFSET(saved_context_gdt_desc, saved_context, gdt_desc); 49 BLANK(); 50 51 /* 52 * Offset from the entry stack to task stack stored in TSS. Kernel entry 53 * happens on the per-cpu entry-stack, and the asm code switches to the 54 * task-stack pointer stored in x86_tss.sp1, which is a copy of 55 * task->thread.sp0 where entry code can find it. 56 */ 57 DEFINE(TSS_entry2task_stack, 58 offsetof(struct cpu_entry_area, tss.x86_tss.sp1) - 59 offsetofend(struct cpu_entry_area, entry_stack_page.stack)); 60 61 #ifdef CONFIG_STACKPROTECTOR 62 BLANK(); 63 OFFSET(stack_canary_offset, stack_canary, canary); 64 #endif 65 66 BLANK(); 67 DEFINE(__NR_syscall_max, sizeof(syscalls) - 1); 68 DEFINE(NR_syscalls, sizeof(syscalls)); 69 70 BLANK(); 71 DEFINE(EFI_svam, offsetof(efi_runtime_services_t, set_virtual_address_map)); 72 } 73