libpthread_md.c revision 181341
16059Samurai/* 26059Samurai * Copyright (c) 2006 Marcel Moolenaar 36059Samurai * All rights reserved. 46059Samurai * 56059Samurai * Redistribution and use in source and binary forms, with or without 66059Samurai * modification, are permitted provided that the following conditions 76059Samurai * are met: 86059Samurai * 1. Redistributions of source code must retain the above copyright 96059Samurai * notice, this list of conditions and the following disclaimer. 106059Samurai * 2. Redistributions in binary form must reproduce the above copyright 116059Samurai * notice, this list of conditions and the following disclaimer in the 126059Samurai * documentation and/or other materials provided with the distribution. 136059Samurai * 146059Samurai * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 156059Samurai * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 166059Samurai * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 176059Samurai * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 186059Samurai * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 196059Samurai * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2026098Sbrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 218857Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 226059Samurai * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 236059Samurai * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 246059Samurai * SUCH DAMAGE. 256059Samurai */ 266059Samurai 276059Samurai#include <sys/cdefs.h> 2811336Samurai__FBSDID("$FreeBSD: head/lib/libthread_db/arch/powerpc/libpthread_md.c 181341 2008-08-06 03:14:18Z marcel $"); 296059Samurai 306059Samurai#include <sys/types.h> 3123114Sbrian#include <string.h> 326059Samurai#include <thread_db.h> 336059Samurai 346059Samurai#include "libpthread_db.h" 3518786Sjkh 366059Samuraivoid 376059Samuraipt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) 3820365Sjkh{ 3920365Sjkh mcontext_t *mc = &uc->uc_mcontext; 4026031Sbrian 416059Samurai memcpy(mc->mc_frame, r, MIN(sizeof(mc->mc_frame), sizeof(*r))); 426059Samurai} 436059Samurai 4413389Sphkvoid 456059Samuraipt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) 466059Samurai{ 476059Samurai const mcontext_t *mc = &uc->uc_mcontext; 486735Samurai 497001Samurai memcpy(r, mc->mc_frame, MIN(sizeof(mc->mc_frame), sizeof(*r))); 5013389Sphk} 5113389Sphk 5223840Sbrianvoid 536059Samuraipt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc) 546764Samurai{ 559410Sasami mcontext_t *mc = &uc->uc_mcontext; 566764Samurai 576735Samurai memcpy(mc->mc_fpreg, r, MIN(sizeof(mc->mc_fpreg), sizeof(*r))); 586735Samurai mc->mc_flags |= _MC_FP_VALID; 596735Samurai} 606735Samurai 616735Samuraivoid 626735Samuraipt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r) 636059Samurai{ 6425630Sbrian const mcontext_t *mc = &uc->uc_mcontext; 656059Samurai 666059Samurai if (mc->mc_flags & _MC_FP_VALID) 676059Samurai memcpy(r, mc->mc_fpreg, MIN(sizeof(mc->mc_fpreg), sizeof(*r))); 6818885Sjkh else 696059Samurai memset(r, 0, sizeof(*r)); 706059Samurai} 7110528Samurai 7225908Sbrianvoid 736059Samuraipt_md_init(void) 746059Samurai{ 756059Samurai} 7614418Sache 7713379Sphkint 7820813Sjkhpt_reg_sstep(struct reg *reg __unused, int step __unused) 796059Samurai{ 8025634Sbrian 8125634Sbrian /* XXX */ 8225445Sache return (0); 836059Samurai} 846059Samurai