1294908Sbr/*- 2294908Sbr * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> 3294908Sbr * All rights reserved. 4294908Sbr * 5294908Sbr * Portions of this software were developed by SRI International and the 6294908Sbr * University of Cambridge Computer Laboratory under DARPA/AFRL contract 7294908Sbr * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. 8294908Sbr * 9294908Sbr * Portions of this software were developed by the University of Cambridge 10294908Sbr * Computer Laboratory as part of the CTSRD Project, with support from the 11294908Sbr * UK Higher Education Innovation Fund (HEIF). 12294908Sbr * 13294908Sbr * Redistribution and use in source and binary forms, with or without 14294908Sbr * modification, are permitted provided that the following conditions 15294908Sbr * are met: 16294908Sbr * 1. Redistributions of source code must retain the above copyright 17294908Sbr * notice, this list of conditions and the following disclaimer. 18294908Sbr * 2. Redistributions in binary form must reproduce the above copyright 19294908Sbr * notice, this list of conditions and the following disclaimer in the 20294908Sbr * documentation and/or other materials provided with the distribution. 21294908Sbr * 22294908Sbr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23294908Sbr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24294908Sbr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25294908Sbr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26294908Sbr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27294908Sbr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28294908Sbr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29294908Sbr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30294908Sbr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31294908Sbr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32294908Sbr * SUCH DAMAGE. 33294908Sbr */ 34294908Sbr 35294908Sbr#include <sys/cdefs.h> 36294908Sbr__FBSDID("$FreeBSD$"); 37294908Sbr 38294908Sbr#include <sys/types.h> 39294908Sbr#include <string.h> 40294908Sbr#include <thread_db.h> 41294908Sbr 42294908Sbr#include "libpthread_db.h" 43294908Sbr 44294908Sbrvoid 45294908Sbrpt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) 46294908Sbr{ 47294908Sbr mcontext_t *mc; 48294908Sbr 49294908Sbr mc = &uc->uc_mcontext; 50294908Sbr 51294908Sbr memcpy(mc->mc_gpregs.gp_t, r->t, sizeof(mc->mc_gpregs.gp_t)); 52294908Sbr memcpy(mc->mc_gpregs.gp_s, r->s, sizeof(mc->mc_gpregs.gp_s)); 53294908Sbr memcpy(mc->mc_gpregs.gp_a, r->a, sizeof(mc->mc_gpregs.gp_a)); 54294908Sbr mc->mc_gpregs.gp_ra = r->ra; 55294908Sbr mc->mc_gpregs.gp_sp = r->sp; 56294908Sbr mc->mc_gpregs.gp_gp = r->gp; 57294908Sbr mc->mc_gpregs.gp_tp = r->tp; 58294908Sbr mc->mc_gpregs.gp_sepc = r->sepc; 59294908Sbr mc->mc_gpregs.gp_sstatus = r->sstatus; 60294908Sbr} 61294908Sbr 62294908Sbrvoid 63294908Sbrpt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) 64294908Sbr{ 65294908Sbr const mcontext_t *mc; 66294908Sbr 67294908Sbr mc = &uc->uc_mcontext; 68294908Sbr 69294908Sbr memcpy(r->t, mc->mc_gpregs.gp_t, sizeof(mc->mc_gpregs.gp_t)); 70294908Sbr memcpy(r->s, mc->mc_gpregs.gp_s, sizeof(mc->mc_gpregs.gp_s)); 71294908Sbr memcpy(r->a, mc->mc_gpregs.gp_a, sizeof(mc->mc_gpregs.gp_a)); 72294908Sbr r->ra = mc->mc_gpregs.gp_ra; 73294908Sbr r->sp = mc->mc_gpregs.gp_sp; 74294908Sbr r->gp = mc->mc_gpregs.gp_gp; 75294908Sbr r->tp = mc->mc_gpregs.gp_tp; 76294908Sbr r->sepc = mc->mc_gpregs.gp_sepc; 77294908Sbr r->sstatus = mc->mc_gpregs.gp_sstatus; 78294908Sbr} 79294908Sbr 80294908Sbrvoid 81294908Sbrpt_fpreg_to_ucontext(const struct fpreg *r __unused, ucontext_t *uc __unused) 82294908Sbr{ 83294908Sbr 84294908Sbr /* RISCVTODO */ 85294908Sbr} 86294908Sbr 87294908Sbrvoid 88294908Sbrpt_ucontext_to_fpreg(const ucontext_t *uc __unused, struct fpreg *r __unused) 89294908Sbr{ 90294908Sbr 91294908Sbr /* RISCVTODO */ 92294908Sbr} 93294908Sbr 94294908Sbrvoid 95294908Sbrpt_md_init(void) 96294908Sbr{ 97294908Sbr} 98294908Sbr 99294908Sbrint 100294908Sbrpt_reg_sstep(struct reg *reg __unused, int step __unused) 101294908Sbr{ 102294908Sbr 103294908Sbr return (0); 104294908Sbr} 105