2 * Copyright (c) 2007 Olivier Houchard
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
31 #include <sys/types.h>
32 #include <proc_service.h>
33 #include <thread_db.h>
35 #include "libpthread_db.h"
38 pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
40 mcontext_t *mc = &uc->uc_mcontext;
41 __greg_t *gr = mc->__gregs;
43 gr[_REG_R0] = r->r[0];
44 gr[_REG_R1] = r->r[1];
45 gr[_REG_R2] = r->r[2];
46 gr[_REG_R3] = r->r[3];
47 gr[_REG_R4] = r->r[4];
48 gr[_REG_R5] = r->r[5];
49 gr[_REG_R6] = r->r[6];
50 gr[_REG_R7] = r->r[7];
51 gr[_REG_R8] = r->r[8];
52 gr[_REG_R9] = r->r[9];
53 gr[_REG_R10] = r->r[10];
54 gr[_REG_R11] = r->r[11];
55 gr[_REG_R12] = r->r[12];
56 gr[_REG_SP] = r->r_sp;
57 gr[_REG_LR] = r->r_lr;
58 gr[_REG_PC] = r->r_pc;
59 gr[_REG_CPSR] = r->r_cpsr;
63 pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
65 const mcontext_t *mc = &uc->uc_mcontext;
67 const __greg_t *gr = mc->__gregs;
69 r->r[0] = gr[_REG_R0];
70 r->r[1] = gr[_REG_R1];
71 r->r[2] = gr[_REG_R2];
72 r->r[3] = gr[_REG_R3];
73 r->r[4] = gr[_REG_R4];
74 r->r[5] = gr[_REG_R5];
75 r->r[6] = gr[_REG_R6];
76 r->r[7] = gr[_REG_R7];
77 r->r[8] = gr[_REG_R8];
78 r->r[9] = gr[_REG_R9];
79 r->r[10] = gr[_REG_R10];
80 r->r[11] = gr[_REG_R11];
81 r->r[12] = gr[_REG_R12];
82 r->r_sp = gr[_REG_SP];
83 r->r_lr = gr[_REG_LR];
84 r->r_pc = gr[_REG_PC];
85 r->r_cpsr = gr[_REG_CPSR];
89 pt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc)
91 mcontext_t *mc = &uc->uc_mcontext;
94 memset(&mc->__fpu.__fpregs, 0, sizeof(__fpregset_t));
98 pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
100 const mcontext_t *mc = &uc->uc_mcontext;
103 memset(r, 0, sizeof(*r));
112 pt_reg_sstep(struct reg *reg, int step)