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d98a01c6 PMF |
1 | #ifndef UST_REGISTERS_H |
2 | #define UST_REGISTERS_H | |
3 | ||
4 | #include <stddef.h> | |
5 | ||
6 | #ifdef X86_32 | |
7 | ||
8 | struct registers { | |
9 | long eax; | |
10 | long ebx; | |
11 | long ecx; | |
12 | long edx; | |
13 | long ebp; | |
14 | long esp; | |
15 | long esi; | |
16 | long edi; | |
17 | int xds; | |
18 | int xes; | |
19 | int xfs; | |
20 | int xgs; | |
21 | long eip; | |
22 | int xcs; | |
23 | long eflags; | |
24 | int xss; | |
25 | }; | |
26 | ||
27 | static inline save_registers(struct registers *regs) | |
28 | { | |
29 | } | |
30 | ||
9e8f4f52 PMF |
31 | #define RELATIVE_ADDRESS(__rel_label__) __rel_label__ |
32 | ||
33 | #define _ASM_PTR ".long " | |
34 | ||
d98a01c6 PMF |
35 | #else |
36 | ||
37 | struct registers { | |
38 | unsigned long rax; | |
39 | unsigned long rbx; | |
40 | unsigned long rcx; | |
41 | unsigned long rdx; | |
42 | unsigned long rbp; | |
43 | unsigned long rsp; | |
44 | unsigned long rsi; | |
45 | unsigned long rdi; | |
46 | unsigned long r8; | |
47 | unsigned long r9; | |
48 | unsigned long r10; | |
49 | unsigned long r11; | |
50 | unsigned long r12; | |
51 | unsigned long r13; | |
52 | unsigned long r14; | |
53 | unsigned long r15; | |
d98a01c6 PMF |
54 | int cs; |
55 | int ss; | |
56 | }; | |
57 | ||
8524c98d PMF |
58 | #define save_registers(regsptr) \ |
59 | asm ("movq %%rax,%c[rax_off](%[regs])\n\t" \ | |
60 | "movq %%rbx,%c[rbx_off](%[regs])\n\t" \ | |
61 | "movq %%rcx,%c[rcx_off](%[regs])\n\t" \ | |
62 | "movq %%rdx,%c[rdx_off](%[regs])\n\t" \ | |
63 | "movq %%rbp,%c[rbp_off](%[regs])\n\t" \ | |
64 | "movq %%rsp,%c[rsp_off](%[regs])\n\t" \ | |
65 | "movq %%rsi,%c[rsi_off](%[regs])\n\t" \ | |
66 | "movq %%rdi,%c[rdi_off](%[regs])\n\t" \ | |
67 | "movq %%r8,%c[r8_off](%[regs])\n\t" \ | |
68 | "movq %%r9,%c[r9_off](%[regs])\n\t" \ | |
69 | "movq %%r10,%c[r10_off](%[regs])\n\t" \ | |
70 | "movq %%r11,%c[r11_off](%[regs])\n\t" \ | |
71 | "movq %%r12,%c[r12_off](%[regs])\n\t" \ | |
72 | "movq %%r13,%c[r13_off](%[regs])\n\t" \ | |
73 | "movq %%r14,%c[r14_off](%[regs])\n\t" \ | |
74 | "movq %%r15,%c[r15_off](%[regs])\n\t" \ | |
75 | "movw %%cs,%c[cs_off](%[regs])\n\t" \ | |
76 | "movw %%ss,%c[ss_off](%[regs])\n\t" \ | |
9e8f4f52 | 77 | : \ |
8524c98d PMF |
78 | : [regs] "r" (regsptr), \ |
79 | [rax_off] "i" (offsetof(struct registers, rax)), \ | |
80 | [rbx_off] "i" (offsetof(struct registers, rbx)), \ | |
81 | [rcx_off] "i" (offsetof(struct registers, rcx)), \ | |
82 | [rdx_off] "i" (offsetof(struct registers, rdx)), \ | |
83 | [rbp_off] "i" (offsetof(struct registers, rbp)), \ | |
84 | [rsp_off] "i" (offsetof(struct registers, rsp)), \ | |
85 | [rsi_off] "i" (offsetof(struct registers, rsi)), \ | |
86 | [rdi_off] "i" (offsetof(struct registers, rdi)), \ | |
87 | [r8_off] "i" (offsetof(struct registers, r8)), \ | |
88 | [r9_off] "i" (offsetof(struct registers, r9)), \ | |
89 | [r10_off] "i" (offsetof(struct registers, r10)), \ | |
90 | [r11_off] "i" (offsetof(struct registers, r11)), \ | |
91 | [r12_off] "i" (offsetof(struct registers, r12)), \ | |
92 | [r13_off] "i" (offsetof(struct registers, r13)), \ | |
93 | [r14_off] "i" (offsetof(struct registers, r14)), \ | |
94 | [r15_off] "i" (offsetof(struct registers, r15)), \ | |
95 | [cs_off] "i" (offsetof(struct registers, cs)), \ | |
9e8f4f52 | 96 | [ss_off] "i" (offsetof(struct registers, ss)) \ |
d98a01c6 | 97 | ); |
d98a01c6 | 98 | |
9e8f4f52 PMF |
99 | /* Macro to insert the address of a relative jump in an assembly stub, |
100 | * in a relocatable way. On x86-64, this uses a special (%rip) notation. */ | |
101 | #define RELATIVE_ADDRESS(__rel_label__) __rel_label__(%%rip) | |
102 | ||
103 | #define _ASM_PTR ".quad " | |
104 | ||
d98a01c6 PMF |
105 | #endif |
106 | ||
107 | #endif /* UST_REGISTERS_H */ |