xref: /linux/arch/x86/kernel/asm-offsets.c (revision b85d45947951d23cb22d90caecf4c1eb81342c96)
1 /*
2  * Generate definitions needed by assembly language modules.
3  * This code generates raw asm output which is post-processed to extract
4  * and format the required data.
5  */
6 #define COMPILE_OFFSETS
7 
8 #include <linux/crypto.h>
9 #include <linux/sched.h>
10 #include <linux/stddef.h>
11 #include <linux/hardirq.h>
12 #include <linux/suspend.h>
13 #include <linux/kbuild.h>
14 #include <asm/processor.h>
15 #include <asm/thread_info.h>
16 #include <asm/sigframe.h>
17 #include <asm/bootparam.h>
18 #include <asm/suspend.h>
19 
20 #ifdef CONFIG_XEN
21 #include <xen/interface/xen.h>
22 #endif
23 
24 #ifdef CONFIG_X86_32
25 # include "asm-offsets_32.c"
26 #else
27 # include "asm-offsets_64.c"
28 #endif
29 
30 void common(void) {
31 	BLANK();
32 	OFFSET(TI_flags, thread_info, flags);
33 	OFFSET(TI_status, thread_info, status);
34 	OFFSET(TI_addr_limit, thread_info, addr_limit);
35 
36 	BLANK();
37 	OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
38 
39 	BLANK();
40 	OFFSET(pbe_address, pbe, address);
41 	OFFSET(pbe_orig_address, pbe, orig_address);
42 	OFFSET(pbe_next, pbe, next);
43 
44 #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
45 	BLANK();
46 	OFFSET(IA32_SIGCONTEXT_ax, sigcontext_ia32, ax);
47 	OFFSET(IA32_SIGCONTEXT_bx, sigcontext_ia32, bx);
48 	OFFSET(IA32_SIGCONTEXT_cx, sigcontext_ia32, cx);
49 	OFFSET(IA32_SIGCONTEXT_dx, sigcontext_ia32, dx);
50 	OFFSET(IA32_SIGCONTEXT_si, sigcontext_ia32, si);
51 	OFFSET(IA32_SIGCONTEXT_di, sigcontext_ia32, di);
52 	OFFSET(IA32_SIGCONTEXT_bp, sigcontext_ia32, bp);
53 	OFFSET(IA32_SIGCONTEXT_sp, sigcontext_ia32, sp);
54 	OFFSET(IA32_SIGCONTEXT_ip, sigcontext_ia32, ip);
55 
56 	BLANK();
57 	OFFSET(TI_sysenter_return, thread_info, sysenter_return);
58 
59 	BLANK();
60 	OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
61 #endif
62 
63 #ifdef CONFIG_PARAVIRT
64 	BLANK();
65 	OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled);
66 	OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops);
67 	OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
68 	OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
69 	OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
70 	OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
71 #ifdef CONFIG_X86_32
72 	OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit);
73 #endif
74 	OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
75 	OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
76 #endif
77 
78 #ifdef CONFIG_XEN
79 	BLANK();
80 	OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
81 	OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
82 #endif
83 
84 	BLANK();
85 	OFFSET(BP_scratch, boot_params, scratch);
86 	OFFSET(BP_loadflags, boot_params, hdr.loadflags);
87 	OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
88 	OFFSET(BP_version, boot_params, hdr.version);
89 	OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment);
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