xref: /linux/arch/x86/kernel/asm-offsets.c (revision 0337966d121ebebf73a1c346123e8112796e684e)
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(TASK_threadsp, task_struct, thread.sp);
33 #ifdef CONFIG_CC_STACKPROTECTOR
34 	OFFSET(TASK_stack_canary, task_struct, stack_canary);
35 #endif
36 
37 	BLANK();
38 	OFFSET(TASK_TI_flags, task_struct, thread_info.flags);
39 	OFFSET(TASK_addr_limit, task_struct, thread.addr_limit);
40 
41 	BLANK();
42 	OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
43 
44 	BLANK();
45 	OFFSET(pbe_address, pbe, address);
46 	OFFSET(pbe_orig_address, pbe, orig_address);
47 	OFFSET(pbe_next, pbe, next);
48 
49 #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
50 	BLANK();
51 	OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax);
52 	OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx);
53 	OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx);
54 	OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx);
55 	OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si);
56 	OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di);
57 	OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp);
58 	OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp);
59 	OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip);
60 
61 	BLANK();
62 	OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
63 #endif
64 
65 #ifdef CONFIG_PARAVIRT
66 	BLANK();
67 	OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops);
68 	OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
69 	OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
70 	OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
71 	OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
72 	OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
73 	OFFSET(PV_MMU_read_cr2, pv_mmu_ops, 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