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
7 #include <linux/crypto.h>
8 #include <linux/sched.h>
9 #include <linux/stddef.h>
10 #include <linux/errno.h>
11 #include <linux/hardirq.h>
12 #include <linux/suspend.h>
13 #include <linux/kbuild.h>
14 #include <asm/processor.h>
15 #include <asm/segment.h>
16 #include <asm/thread_info.h>
17 #include <asm/ia32.h>
18 #include <asm/bootparam.h>
19 #include <asm/suspend.h>
20
21 #include <xen/interface/xen.h>
22
23 #include <asm/sigframe.h>
24
25 #define __NO_STUBS 1
26 #undef __SYSCALL
27 #undef _ASM_X86_UNISTD_64_H
28 #define __SYSCALL(nr, sym) [nr] = 1,
29 static char syscalls[] = {
30 #include <asm/unistd.h>
31 };
32
33 int main(void)
34 {
35 #define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry))
36 ENTRY(state);
37 ENTRY(flags);
38 ENTRY(pid);
39 BLANK();
40 #undef ENTRY
41 #define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
42 ENTRY(flags);
43 ENTRY(addr_limit);
44 ENTRY(preempt_count);
45 ENTRY(status);
46 #ifdef CONFIG_IA32_EMULATION
47 ENTRY(sysenter_return);
48 #endif
49 BLANK();
50 #undef ENTRY
51 #ifdef CONFIG_PARAVIRT
52 BLANK();
53 OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled);
54 OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops);
55 OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
56 OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
57 OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
58 OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);
59 OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
60 OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);
61 OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
62 OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit);
63 OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
64 OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
65 #endif
66
67
68 #ifdef CONFIG_IA32_EMULATION
69 #define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry))
70 ENTRY(ax);
71 ENTRY(bx);
72 ENTRY(cx);
73 ENTRY(dx);
74 ENTRY(si);
75 ENTRY(di);
76 ENTRY(bp);
77 ENTRY(sp);
78 ENTRY(ip);
79 BLANK();
80 #undef ENTRY
81 DEFINE(IA32_RT_SIGFRAME_sigcontext,
82 offsetof (struct rt_sigframe_ia32, uc.uc_mcontext));
83 BLANK();
84 #endif
85 DEFINE(pbe_address, offsetof(struct pbe, address));
86 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
87 DEFINE(pbe_next, offsetof(struct pbe, next));
88 BLANK();
89 #define ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry))
90 ENTRY(bx);
91 ENTRY(bx);
92 ENTRY(cx);
93 ENTRY(dx);
94 ENTRY(sp);
95 ENTRY(bp);
96 ENTRY(si);
97 ENTRY(di);
98 ENTRY(r8);
99 ENTRY(r9);
100 ENTRY(r10);
101 ENTRY(r11);
102 ENTRY(r12);
103 ENTRY(r13);
104 ENTRY(r14);
105 ENTRY(r15);
106 ENTRY(flags);
107 BLANK();
108 #undef ENTRY
109 #define ENTRY(entry) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry))
110 ENTRY(cr0);
111 ENTRY(cr2);
112 ENTRY(cr3);
113 ENTRY(cr4);
114 ENTRY(cr8);
115 BLANK();
116 #undef ENTRY
117 DEFINE(TSS_ist, offsetof(struct tss_struct, x86_tss.ist));
118 BLANK();
119 DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));
120 BLANK();
121 DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
122
123 BLANK();
124 OFFSET(BP_scratch, boot_params, scratch);
125 OFFSET(BP_loadflags, boot_params, hdr.loadflags);
126 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
127 OFFSET(BP_version, boot_params, hdr.version);
128 OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment);
129
130 BLANK();
131 DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
132 #ifdef CONFIG_XEN
133 BLANK();
134 OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
135 OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
136 #undef ENTRY
137 #endif
138 return 0;
139 }
140
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