1/*
2 * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
3 * Copyright (c) 2004 Marcel Moolenaar
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
| 1/*
2 * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
3 * Copyright (c) 2004 Marcel Moolenaar
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
|
35void
36pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
37{
38 mcontext_t *mc = &uc->uc_mcontext;
39
40 mc->mc_rdi = r->r_rdi;
41 mc->mc_rsi = r->r_rsi;
42 mc->mc_rdx = r->r_rdx;
43 mc->mc_rcx = r->r_rcx;
44 mc->mc_r8 = r->r_r8;
45 mc->mc_r9 = r->r_r9;
46 mc->mc_rax = r->r_rax;
47 mc->mc_rbx = r->r_rbx;
48 mc->mc_rbp = r->r_rbp;
49 mc->mc_r10 = r->r_r10;
50 mc->mc_r11 = r->r_r11;
51 mc->mc_r12 = r->r_r12;
52 mc->mc_r13 = r->r_r13;
53 mc->mc_r14 = r->r_r14;
54 mc->mc_r15 = r->r_r15;
55 mc->mc_rip = r->r_rip;
56 mc->mc_cs = r->r_cs;
57 mc->mc_rflags = r->r_rflags;
58 mc->mc_rsp = r->r_rsp;
59 mc->mc_ss = r->r_ss;
60}
61
62void
63pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
64{
65 const mcontext_t *mc = &uc->uc_mcontext;
66
67 r->r_rdi = mc->mc_rdi;
68 r->r_rsi = mc->mc_rsi;
69 r->r_rdx = mc->mc_rdx;
70 r->r_rcx = mc->mc_rcx;
71 r->r_r8 = mc->mc_r8;
72 r->r_r9 = mc->mc_r9;
73 r->r_rax = mc->mc_rax;
74 r->r_rbx = mc->mc_rbx;
75 r->r_rbp = mc->mc_rbp;
76 r->r_r10 = mc->mc_r10;
77 r->r_r11 = mc->mc_r11;
78 r->r_r12 = mc->mc_r12;
79 r->r_r13 = mc->mc_r13;
80 r->r_r14 = mc->mc_r14;
81 r->r_r15 = mc->mc_r15;
82 r->r_rip = mc->mc_rip;
83 r->r_cs = mc->mc_cs;
84 r->r_rflags = mc->mc_rflags;
85 r->r_rsp = mc->mc_rsp;
86 r->r_ss = mc->mc_ss;
87}
88
89void
90pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc)
91{
92 memcpy(&uc->uc_mcontext.mc_fpstate, r, sizeof(r));
93}
94
95void
96pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
97{
98 memcpy(r, &uc->uc_mcontext.mc_fpstate, sizeof(r));
99}
100
101void
102pt_md_init(void)
103{
104 /* Nothing to do */
105}
106
107int
108pt_reg_sstep(struct reg *reg, int step)
109{
110 register_t old;
111
112 old = reg->r_rflags;
113 if (step)
114 reg->r_rflags |= 0x0100;
115 else
116 reg->r_rflags &= ~0x0100;
117 return (old != reg->r_rflags); /* changed ? */
118}
| 38void
39pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
40{
41 mcontext_t *mc = &uc->uc_mcontext;
42
43 mc->mc_rdi = r->r_rdi;
44 mc->mc_rsi = r->r_rsi;
45 mc->mc_rdx = r->r_rdx;
46 mc->mc_rcx = r->r_rcx;
47 mc->mc_r8 = r->r_r8;
48 mc->mc_r9 = r->r_r9;
49 mc->mc_rax = r->r_rax;
50 mc->mc_rbx = r->r_rbx;
51 mc->mc_rbp = r->r_rbp;
52 mc->mc_r10 = r->r_r10;
53 mc->mc_r11 = r->r_r11;
54 mc->mc_r12 = r->r_r12;
55 mc->mc_r13 = r->r_r13;
56 mc->mc_r14 = r->r_r14;
57 mc->mc_r15 = r->r_r15;
58 mc->mc_rip = r->r_rip;
59 mc->mc_cs = r->r_cs;
60 mc->mc_rflags = r->r_rflags;
61 mc->mc_rsp = r->r_rsp;
62 mc->mc_ss = r->r_ss;
63}
64
65void
66pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
67{
68 const mcontext_t *mc = &uc->uc_mcontext;
69
70 r->r_rdi = mc->mc_rdi;
71 r->r_rsi = mc->mc_rsi;
72 r->r_rdx = mc->mc_rdx;
73 r->r_rcx = mc->mc_rcx;
74 r->r_r8 = mc->mc_r8;
75 r->r_r9 = mc->mc_r9;
76 r->r_rax = mc->mc_rax;
77 r->r_rbx = mc->mc_rbx;
78 r->r_rbp = mc->mc_rbp;
79 r->r_r10 = mc->mc_r10;
80 r->r_r11 = mc->mc_r11;
81 r->r_r12 = mc->mc_r12;
82 r->r_r13 = mc->mc_r13;
83 r->r_r14 = mc->mc_r14;
84 r->r_r15 = mc->mc_r15;
85 r->r_rip = mc->mc_rip;
86 r->r_cs = mc->mc_cs;
87 r->r_rflags = mc->mc_rflags;
88 r->r_rsp = mc->mc_rsp;
89 r->r_ss = mc->mc_ss;
90}
91
92void
93pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc)
94{
95 memcpy(&uc->uc_mcontext.mc_fpstate, r, sizeof(r));
96}
97
98void
99pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
100{
101 memcpy(r, &uc->uc_mcontext.mc_fpstate, sizeof(r));
102}
103
104void
105pt_md_init(void)
106{
107 /* Nothing to do */
108}
109
110int
111pt_reg_sstep(struct reg *reg, int step)
112{
113 register_t old;
114
115 old = reg->r_rflags;
116 if (step)
117 reg->r_rflags |= 0x0100;
118 else
119 reg->r_rflags &= ~0x0100;
120 return (old != reg->r_rflags); /* changed ? */
121}
|