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
32static 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