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1 | /* |
2 | * FreeBSD i386 register structures | |
3 | * | |
4 | * Copyright (c) 2015 Stacey Son | |
5 | * All rights reserved. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #ifndef _TARGET_ARCH_REG_H_ | |
22 | #define _TARGET_ARCH_REG_H_ | |
23 | ||
24 | /* See sys/i386/include/reg.h */ | |
25 | typedef struct target_reg { | |
26 | uint32_t r_fs; | |
27 | uint32_t r_es; | |
28 | uint32_t r_ds; | |
29 | uint32_t r_edi; | |
30 | uint32_t r_esi; | |
31 | uint32_t r_ebp; | |
32 | uint32_t r_isp; | |
33 | uint32_t r_ebx; | |
34 | uint32_t r_edx; | |
35 | uint32_t r_ecx; | |
36 | uint32_t r_eax; | |
37 | uint32_t r_trapno; | |
38 | uint32_t r_err; | |
39 | uint32_t r_eip; | |
40 | uint32_t r_cs; | |
41 | uint32_t r_eflags; | |
42 | uint32_t r_esp; | |
43 | uint32_t r_ss; | |
44 | uint32_t r_gs; | |
45 | } target_reg_t; | |
46 | ||
47 | typedef struct target_fpreg { | |
48 | uint32_t fpr_env[7]; | |
49 | uint8_t fpr_acc[8][10]; | |
50 | uint32_t fpr_ex_sw; | |
51 | uint8_t fpr_pad[64]; | |
52 | } target_fpreg_t; | |
53 | ||
54 | static inline void target_copy_regs(target_reg_t *regs, const CPUX86State *env) | |
55 | { | |
56 | ||
57 | regs->r_fs = env->segs[R_FS].selector & 0xffff; | |
58 | regs->r_es = env->segs[R_ES].selector & 0xffff; | |
59 | regs->r_ds = env->segs[R_DS].selector & 0xffff; | |
60 | ||
61 | regs->r_edi = env->regs[R_EDI]; | |
62 | regs->r_esi = env->regs[R_ESI]; | |
63 | regs->r_ebp = env->regs[R_EBP]; | |
64 | /* regs->r_isp = env->regs[R_ISP]; XXX */ | |
65 | regs->r_ebx = env->regs[R_EBX]; | |
66 | regs->r_edx = env->regs[R_EDX]; | |
67 | regs->r_ecx = env->regs[R_ECX]; | |
68 | regs->r_eax = env->regs[R_EAX]; | |
69 | /* regs->r_trapno = env->regs[R_TRAPNO]; XXX */ | |
70 | regs->r_err = env->error_code; /* XXX ? */ | |
71 | regs->r_eip = env->eip; | |
72 | ||
73 | regs->r_cs = env->segs[R_CS].selector & 0xffff; | |
74 | ||
75 | regs->r_eflags = env->eflags; | |
76 | regs->r_esp = env->regs[R_ESP]; | |
77 | ||
78 | regs->r_ss = env->segs[R_SS].selector & 0xffff; | |
79 | regs->r_gs = env->segs[R_GS].selector & 0xffff; | |
80 | } | |
81 | ||
82 | #endif /* !_TARGET_ARCH_REG_H_ */ |