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
common(void)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(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
42
43 BLANK();
44 OFFSET(pbe_address, pbe, address);
45 OFFSET(pbe_orig_address, pbe, orig_address);
46 OFFSET(pbe_next, pbe, next);
47
48 #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
49 BLANK();
50 OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax);
51 OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx);
52 OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx);
53 OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx);
54 OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si);
55 OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di);
56 OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp);
57 OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp);
58 OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip);
59
60 BLANK();
61 OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
62 #endif
63
64 #ifdef CONFIG_XEN
65 BLANK();
66 OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
67 OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
68 OFFSET(XEN_vcpu_info_arch_cr2, vcpu_info, arch.cr2);
69 #endif
70
71 BLANK();
72 OFFSET(BP_scratch, boot_params, scratch);
73 OFFSET(BP_secure_boot, boot_params, secure_boot);
74 OFFSET(BP_loadflags, boot_params, hdr.loadflags);
75 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
76 OFFSET(BP_version, boot_params, hdr.version);
77 OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment);
78 OFFSET(BP_init_size, boot_params, hdr.init_size);
79 OFFSET(BP_pref_address, boot_params, hdr.pref_address);
80
81 BLANK();
82 DEFINE(PTREGS_SIZE, sizeof(struct pt_regs));
83
84 /* TLB state for the entry code */
85 OFFSET(TLB_STATE_user_pcid_flush_mask, tlb_state, user_pcid_flush_mask);
86
87 /* Layout info for cpu_entry_area */
88 OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page);
89 DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack));
90 DEFINE(MASK_entry_stack, (~(sizeof(struct entry_stack) - 1)));
91
92 /* Offset for fields in tss_struct */
93 OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
94 OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
95 OFFSET(TSS_sp2, tss_struct, x86_tss.sp2);
96 }
97