libpthread_md.c revision 181059
1/* 2 * Copyright (c) 2006 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/lib/libthread_db/arch/powerpc/libpthread_md.c 181059 2008-07-31 16:26:58Z marcel $"); 29 30#include <sys/types.h> 31#include <string.h> 32#include <thread_db.h> 33 34#include "libpthread_db.h" 35 36void 37pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) 38{ 39 mcontext_t *mc = &uc->uc_mcontext; 40 41 memcpy(mc->mc_frame, r, MIN(sizeof(mc->mc_frame), sizeof(*r))); 42} 43 44void 45pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) 46{ 47 const mcontext_t *mc = &uc->uc_mcontext; 48 49 memcpy(r, mc->mc_frame, MIN(sizeof(mc->mc_frame), sizeof(*r))); 50} 51 52void 53pt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc) 54{ 55 mcontext_t *mc = &uc->uc_mcontext; 56 57 memcpy(mc->mc_fpreg, r, MIN(sizeof(mc->mc_fpreg), sizeof(*r))); 58 mc->mc_flags |= _MC_FP_VALID; 59} 60 61void 62pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r) 63{ 64 const mcontext_t *mc = &uc->uc_mcontext; 65 66 if (mc->mc_flags & _MC_FP_VALID) 67 memcpy(r, mc->mc_fpreg, MIN(sizeof(mc->mc_fpreg), sizeof(*r))); 68 else 69 memset(r, 0, sizeof(*r)); 70} 71 72void 73pt_md_init(void) 74{ 75} 76 77int 78pt_reg_sstep(struct reg *reg, int step) 79{ 80 81 /* XXX */ 82 return (0); 83} 84