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 <asm/ucontext.h>
 7
 8#define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
 9static char syscalls[] = {
10#include <asm/syscalls_32.h>
11};
12
13/* workaround for a warning with -Wmissing-prototypes */
14void foo(void);
15
16void foo(void)
17{
18	OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
19	OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
20	OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
21	OFFSET(CPUINFO_x86_stepping, cpuinfo_x86, x86_stepping);
22	OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
23	OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
24	OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
25	BLANK();
26
27	OFFSET(PT_EBX, pt_regs, bx);
28	OFFSET(PT_ECX, pt_regs, cx);
29	OFFSET(PT_EDX, pt_regs, dx);
30	OFFSET(PT_ESI, pt_regs, si);
31	OFFSET(PT_EDI, pt_regs, di);
32	OFFSET(PT_EBP, pt_regs, bp);
33	OFFSET(PT_EAX, pt_regs, ax);
34	OFFSET(PT_DS,  pt_regs, ds);
35	OFFSET(PT_ES,  pt_regs, es);
36	OFFSET(PT_FS,  pt_regs, fs);
37	OFFSET(PT_GS,  pt_regs, gs);
38	OFFSET(PT_ORIG_EAX, pt_regs, orig_ax);
39	OFFSET(PT_EIP, pt_regs, ip);
40	OFFSET(PT_CS,  pt_regs, cs);
41	OFFSET(PT_EFLAGS, pt_regs, flags);
42	OFFSET(PT_OLDESP, pt_regs, sp);
43	OFFSET(PT_OLDSS,  pt_regs, ss);
44	BLANK();
45
46	OFFSET(saved_context_gdt_desc, saved_context, gdt_desc);
47	BLANK();
48
49	/* Offset from the sysenter stack to tss.sp0 */
50	DEFINE(TSS_sysenter_sp0, offsetof(struct cpu_entry_area, tss.x86_tss.sp0) -
 
 
 
 
 
 
51	       offsetofend(struct cpu_entry_area, entry_stack_page.stack));
52
53#ifdef CONFIG_CC_STACKPROTECTOR
54	BLANK();
55	OFFSET(stack_canary_offset, stack_canary, canary);
56#endif
57
58	BLANK();
59	DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
60	DEFINE(NR_syscalls, sizeof(syscalls));
61}

 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/* workaround for a warning with -Wmissing-prototypes */
11void foo(void);
12
13void foo(void)
14{
15	OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
16	OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
17	OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
18	OFFSET(CPUINFO_x86_stepping, cpuinfo_x86, x86_stepping);
19	OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
20	OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
21	OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
22	BLANK();
23
24	OFFSET(PT_EBX, pt_regs, bx);
25	OFFSET(PT_ECX, pt_regs, cx);
26	OFFSET(PT_EDX, pt_regs, dx);
27	OFFSET(PT_ESI, pt_regs, si);
28	OFFSET(PT_EDI, pt_regs, di);
29	OFFSET(PT_EBP, pt_regs, bp);
30	OFFSET(PT_EAX, pt_regs, ax);
31	OFFSET(PT_DS,  pt_regs, ds);
32	OFFSET(PT_ES,  pt_regs, es);
33	OFFSET(PT_FS,  pt_regs, fs);
34	OFFSET(PT_GS,  pt_regs, gs);
35	OFFSET(PT_ORIG_EAX, pt_regs, orig_ax);
36	OFFSET(PT_EIP, pt_regs, ip);
37	OFFSET(PT_CS,  pt_regs, cs);
38	OFFSET(PT_EFLAGS, pt_regs, flags);
39	OFFSET(PT_OLDESP, pt_regs, sp);
40	OFFSET(PT_OLDSS,  pt_regs, ss);
41	BLANK();
42
43	OFFSET(saved_context_gdt_desc, saved_context, gdt_desc);
44	BLANK();
45
46	/*
47	 * Offset from the entry stack to task stack stored in TSS. Kernel entry
48	 * happens on the per-cpu entry-stack, and the asm code switches to the
49	 * task-stack pointer stored in x86_tss.sp1, which is a copy of
50	 * task->thread.sp0 where entry code can find it.
51	 */
52	DEFINE(TSS_entry2task_stack,
53	       offsetof(struct cpu_entry_area, tss.x86_tss.sp1) -
54	       offsetofend(struct cpu_entry_area, entry_stack_page.stack));
55
56#ifdef CONFIG_STACKPROTECTOR
57	BLANK();
58	OFFSET(stack_canary_offset, stack_canary, canary);
59#endif
60
61	BLANK();
62	DEFINE(EFI_svam, offsetof(efi_runtime_services_t, set_virtual_address_map));
 
63}