]> bbs.cooldavid.org Git - net-next-2.6.git/blame - arch/x86/kernel/asm-offsets_64.c
x86: use generic register names in struct user_regs_struct
[net-next-2.6.git] / arch / x86 / kernel / asm-offsets_64.c
CommitLineData
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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 <asm/pda.h>
14#include <asm/processor.h>
15#include <asm/segment.h>
16#include <asm/thread_info.h>
17#include <asm/ia32.h>
bd53147d 18#include <asm/bootparam.h>
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19
20#define DEFINE(sym, val) \
21 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
22
23#define BLANK() asm volatile("\n->" : : )
24
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25#define OFFSET(sym, str, mem) \
26 DEFINE(sym, offsetof(struct str, mem))
27
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28#define __NO_STUBS 1
29#undef __SYSCALL
30#undef _ASM_X86_64_UNISTD_H_
31#define __SYSCALL(nr, sym) [nr] = 1,
32static char syscalls[] = {
33#include <asm/unistd.h>
34};
35
36int main(void)
37{
38#define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry))
39 ENTRY(state);
40 ENTRY(flags);
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41 ENTRY(pid);
42 BLANK();
43#undef ENTRY
44#define ENTRY(entry) DEFINE(threadinfo_ ## entry, offsetof(struct thread_info, entry))
45 ENTRY(flags);
46 ENTRY(addr_limit);
47 ENTRY(preempt_count);
48 ENTRY(status);
36197c92
RM
49#ifdef CONFIG_IA32_EMULATION
50 ENTRY(sysenter_return);
51#endif
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52 BLANK();
53#undef ENTRY
54#define ENTRY(entry) DEFINE(pda_ ## entry, offsetof(struct x8664_pda, entry))
55 ENTRY(kernelstack);
56 ENTRY(oldrsp);
57 ENTRY(pcurrent);
58 ENTRY(irqcount);
59 ENTRY(cpunumber);
60 ENTRY(irqstackptr);
61 ENTRY(data_offset);
62 BLANK();
63#undef ENTRY
64#ifdef CONFIG_IA32_EMULATION
65#define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry))
66 ENTRY(eax);
67 ENTRY(ebx);
68 ENTRY(ecx);
69 ENTRY(edx);
70 ENTRY(esi);
71 ENTRY(edi);
72 ENTRY(ebp);
73 ENTRY(esp);
74 ENTRY(eip);
75 BLANK();
76#undef ENTRY
77 DEFINE(IA32_RT_SIGFRAME_sigcontext,
78 offsetof (struct rt_sigframe32, uc.uc_mcontext));
79 BLANK();
80#endif
81 DEFINE(pbe_address, offsetof(struct pbe, address));
82 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
83 DEFINE(pbe_next, offsetof(struct pbe, next));
84 BLANK();
0de80bcc 85#define ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry))
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PA
86 ENTRY(bx);
87 ENTRY(bx);
88 ENTRY(cx);
89 ENTRY(dx);
90 ENTRY(sp);
91 ENTRY(bp);
92 ENTRY(si);
93 ENTRY(di);
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94 ENTRY(r8);
95 ENTRY(r9);
96 ENTRY(r10);
97 ENTRY(r11);
98 ENTRY(r12);
99 ENTRY(r13);
100 ENTRY(r14);
101 ENTRY(r15);
65ea5b03 102 ENTRY(flags);
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103 BLANK();
104#undef ENTRY
105#define ENTRY(entry) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry))
106 ENTRY(cr0);
107 ENTRY(cr2);
108 ENTRY(cr3);
109 ENTRY(cr4);
110 ENTRY(cr8);
111 BLANK();
112#undef ENTRY
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113 DEFINE(TSS_ist, offsetof(struct tss_struct, ist));
114 BLANK();
115 DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));
116 BLANK();
117 DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
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118
119 BLANK();
120 OFFSET(BP_scratch, boot_params, scratch);
121 OFFSET(BP_loadflags, boot_params, hdr.loadflags);
122 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
123 OFFSET(BP_version, boot_params, hdr.version);
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124 return 0;
125}