1 /*
2  *  FreeBSD amd64 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/amd64/include/reg.h */
25 typedef struct target_reg {
26     uint64_t        r_r15;
27     uint64_t        r_r14;
28     uint64_t        r_r13;
29     uint64_t        r_r12;
30     uint64_t        r_r11;
31     uint64_t        r_r10;
32     uint64_t        r_r9;
33     uint64_t        r_r8;
34     uint64_t        r_rdi;
35     uint64_t        r_rsi;
36     uint64_t        r_rbp;
37     uint64_t        r_rbx;
38     uint64_t        r_rdx;
39     uint64_t        r_rcx;
40     uint64_t        r_rax;
41     uint32_t        r_trapno;
42     uint16_t        r_fs;
43     uint16_t        r_gs;
44     uint32_t        r_err;
45     uint16_t        r_es;
46     uint16_t        r_ds;
47     uint64_t        r_rip;
48     uint64_t        r_cs;
49     uint64_t        r_rflags;
50     uint64_t        r_rsp;
51     uint64_t        r_ss;
52 } target_reg_t;
53 
54 typedef struct target_fpreg {
55     uint64_t        fpr_env[4];
56     uint8_t         fpr_acc[8][16];
57     uint8_t         fpr_xacc[16][16];
58     uint64_t        fpr_spare[12];
59 } target_fpreg_t;
60 
61 static inline void target_copy_regs(target_reg_t *regs, const CPUX86State *env)
62 {
63 
64     regs->r_r15 = env->regs[15];
65     regs->r_r14 = env->regs[14];
66     regs->r_r13 = env->regs[13];
67     regs->r_r12 = env->regs[12];
68     regs->r_r11 = env->regs[11];
69     regs->r_r10 = env->regs[10];
70     regs->r_r9 = env->regs[9];
71     regs->r_r8 = env->regs[8];
72     regs->r_rdi = env->regs[R_EDI];
73     regs->r_rsi = env->regs[R_ESI];
74     regs->r_rbp = env->regs[R_EBP];
75     regs->r_rbx = env->regs[R_EBX];
76     regs->r_rdx = env->regs[R_EDX];
77     regs->r_rcx = env->regs[R_ECX];
78     regs->r_rax = env->regs[R_EAX];
79     /* regs->r_trapno = env->regs[R_TRAPNO]; XXX */
80     regs->r_fs = env->segs[R_FS].selector & 0xffff;
81     regs->r_gs = env->segs[R_GS].selector & 0xffff;
82     regs->r_err = env->error_code;  /* XXX ? */
83     regs->r_es = env->segs[R_ES].selector & 0xffff;
84     regs->r_ds = env->segs[R_DS].selector & 0xffff;
85     regs->r_rip = env->eip;
86     regs->r_cs = env->segs[R_CS].selector & 0xffff;
87     regs->r_rflags = env->eflags;
88     regs->r_rsp = env->regs[R_ESP];
89     regs->r_ss = env->segs[R_SS].selector & 0xffff;
90 }
91 
92 #endif /* !_TARGET_ARCH_REG_H_ */
93