xref: /linux/arch/x86/kernel/asm-offsets.c (revision 0100301bfdf56a2a370c7157b5ab0fbf9313e1cd)
1b82fef82SJan Beulich /*
2b82fef82SJan Beulich  * Generate definitions needed by assembly language modules.
3b82fef82SJan Beulich  * This code generates raw asm output which is post-processed to extract
4b82fef82SJan Beulich  * and format the required data.
5b82fef82SJan Beulich  */
6b82fef82SJan Beulich #define COMPILE_OFFSETS
7b82fef82SJan Beulich 
8b82fef82SJan Beulich #include <linux/crypto.h>
9b82fef82SJan Beulich #include <linux/sched.h>
10b82fef82SJan Beulich #include <linux/stddef.h>
11b82fef82SJan Beulich #include <linux/hardirq.h>
12b82fef82SJan Beulich #include <linux/suspend.h>
13b82fef82SJan Beulich #include <linux/kbuild.h>
14b82fef82SJan Beulich #include <asm/processor.h>
15b82fef82SJan Beulich #include <asm/thread_info.h>
16b82fef82SJan Beulich #include <asm/sigframe.h>
17b82fef82SJan Beulich #include <asm/bootparam.h>
18b82fef82SJan Beulich #include <asm/suspend.h>
19b82fef82SJan Beulich 
20b82fef82SJan Beulich #ifdef CONFIG_XEN
21b82fef82SJan Beulich #include <xen/interface/xen.h>
22b82fef82SJan Beulich #endif
23b82fef82SJan Beulich 
249a163ed8SThomas Gleixner #ifdef CONFIG_X86_32
259a163ed8SThomas Gleixner # include "asm-offsets_32.c"
269a163ed8SThomas Gleixner #else
279a163ed8SThomas Gleixner # include "asm-offsets_64.c"
289a163ed8SThomas Gleixner #endif
29b82fef82SJan Beulich 
30b82fef82SJan Beulich void common(void) {
31b82fef82SJan Beulich 	BLANK();
32*0100301bSBrian Gerst 	OFFSET(TASK_threadsp, task_struct, thread.sp);
33*0100301bSBrian Gerst #ifdef CONFIG_CC_STACKPROTECTOR
34*0100301bSBrian Gerst 	OFFSET(TASK_stack_canary, task_struct, stack_canary);
35*0100301bSBrian Gerst #endif
36*0100301bSBrian Gerst 
37*0100301bSBrian Gerst 	BLANK();
38b82fef82SJan Beulich 	OFFSET(TI_flags, thread_info, flags);
39b82fef82SJan Beulich 	OFFSET(TI_status, thread_info, status);
4013d4ea09SAndy Lutomirski 
4113d4ea09SAndy Lutomirski 	BLANK();
4213d4ea09SAndy Lutomirski 	OFFSET(TASK_addr_limit, task_struct, thread.addr_limit);
43b82fef82SJan Beulich 
44b82fef82SJan Beulich 	BLANK();
45b82fef82SJan Beulich 	OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
46b82fef82SJan Beulich 
47b82fef82SJan Beulich 	BLANK();
48b82fef82SJan Beulich 	OFFSET(pbe_address, pbe, address);
49b82fef82SJan Beulich 	OFFSET(pbe_orig_address, pbe, orig_address);
50b82fef82SJan Beulich 	OFFSET(pbe_next, pbe, next);
51b82fef82SJan Beulich 
524d178f94SBrian Gerst #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
534d178f94SBrian Gerst 	BLANK();
548fcb346bSIngo Molnar 	OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax);
558fcb346bSIngo Molnar 	OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx);
568fcb346bSIngo Molnar 	OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx);
578fcb346bSIngo Molnar 	OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx);
588fcb346bSIngo Molnar 	OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si);
598fcb346bSIngo Molnar 	OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di);
608fcb346bSIngo Molnar 	OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp);
618fcb346bSIngo Molnar 	OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp);
628fcb346bSIngo Molnar 	OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip);
634d178f94SBrian Gerst 
644d178f94SBrian Gerst 	BLANK();
654d178f94SBrian Gerst 	OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
664d178f94SBrian Gerst #endif
674d178f94SBrian Gerst 
68b82fef82SJan Beulich #ifdef CONFIG_PARAVIRT
69b82fef82SJan Beulich 	BLANK();
70b82fef82SJan Beulich 	OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops);
71b82fef82SJan Beulich 	OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
72b82fef82SJan Beulich 	OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
73b82fef82SJan Beulich 	OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
74b82fef82SJan Beulich 	OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
75b82fef82SJan Beulich 	OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
76b82fef82SJan Beulich 	OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
77b82fef82SJan Beulich #endif
78b82fef82SJan Beulich 
79b82fef82SJan Beulich #ifdef CONFIG_XEN
80b82fef82SJan Beulich 	BLANK();
81b82fef82SJan Beulich 	OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
82b82fef82SJan Beulich 	OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
83b82fef82SJan Beulich #endif
84b82fef82SJan Beulich 
85b82fef82SJan Beulich 	BLANK();
86b82fef82SJan Beulich 	OFFSET(BP_scratch, boot_params, scratch);
87b82fef82SJan Beulich 	OFFSET(BP_loadflags, boot_params, hdr.loadflags);
88b82fef82SJan Beulich 	OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
89b82fef82SJan Beulich 	OFFSET(BP_version, boot_params, hdr.version);
90b82fef82SJan Beulich 	OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment);
91974f221cSYinghai Lu 	OFFSET(BP_init_size, boot_params, hdr.init_size);
92291f3632SMatt Fleming 	OFFSET(BP_pref_address, boot_params, hdr.pref_address);
93291f3632SMatt Fleming 	OFFSET(BP_code32_start, boot_params, hdr.code32_start);
946783eaa2SAl Viro 
956783eaa2SAl Viro 	BLANK();
966783eaa2SAl Viro 	DEFINE(PTREGS_SIZE, sizeof(struct pt_regs));
97b82fef82SJan Beulich }
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