libpthread_md.c revision 169187
1178476Sjb/* 2178476Sjb * Copyright (c) 2006 Marcel Moolenaar 3178476Sjb * All rights reserved. 4178476Sjb * 5178476Sjb * Redistribution and use in source and binary forms, with or without 6178476Sjb * modification, are permitted provided that the following conditions 7178476Sjb * are met: 8178476Sjb * 1. Redistributions of source code must retain the above copyright 9178476Sjb * notice, this list of conditions and the following disclaimer. 10178476Sjb * 2. Redistributions in binary form must reproduce the above copyright 11178476Sjb * notice, this list of conditions and the following disclaimer in the 12178476Sjb * documentation and/or other materials provided with the distribution. 13178476Sjb * 14178476Sjb * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15178476Sjb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16178476Sjb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17178476Sjb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18178476Sjb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19178476Sjb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20178476Sjb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21178476Sjb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22178476Sjb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23178476Sjb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24178476Sjb * SUCH DAMAGE. 25178476Sjb */ 26178476Sjb 27178476Sjb#include <sys/cdefs.h> 28178476Sjb__FBSDID("$FreeBSD: head/lib/libthread_db/arch/powerpc/libpthread_md.c 169187 2007-05-01 18:28:08Z marcel $"); 29178476Sjb 30178476Sjb#include <string.h> 31178476Sjb#include <sys/types.h> 32178476Sjb#include <proc_service.h> 33178476Sjb#include <thread_db.h> 34178476Sjb 35178476Sjb#include "libpthread_db.h" 36178476Sjb 37178476Sjbvoid 38178476Sjbpt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) 39178476Sjb{ 40178476Sjb mcontext_t *mc = &uc->uc_mcontext; 41178476Sjb 42178476Sjb memcpy(mc->mc_frame, r, MIN(sizeof(mc->mc_frame), sizeof(*r))); 43178476Sjb} 44178476Sjb 45178476Sjbvoid 46178476Sjbpt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) 47178476Sjb{ 48178476Sjb const mcontext_t *mc = &uc->uc_mcontext; 49178476Sjb 50178476Sjb memcpy(r, mc->mc_frame, MIN(sizeof(mc->mc_frame), sizeof(*r))); 51178476Sjb} 52178476Sjb 53178476Sjbvoid 54178476Sjbpt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc) 55178476Sjb{ 56178476Sjb mcontext_t *mc = &uc->uc_mcontext; 57178476Sjb 58178476Sjb memcpy(mc->mc_fpreg, r, MIN(sizeof(mc->mc_fpreg), sizeof(*r))); 59178476Sjb mc->mc_flags |= _MC_FP_VALID; 60178476Sjb} 61178476Sjb 62178476Sjbvoid 63178476Sjbpt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r) 64178476Sjb{ 65178476Sjb const mcontext_t *mc = &uc->uc_mcontext; 66178476Sjb 67178476Sjb if (mc->mc_flags & _MC_FP_VALID) 68178476Sjb memcpy(r, mc->mc_fpreg, MIN(sizeof(mc->mc_fpreg), sizeof(*r))); 69178476Sjb else 70178476Sjb memset(r, 0, sizeof(*r)); 71178476Sjb} 72178476Sjb 73void 74pt_md_init(void) 75{ 76} 77 78int 79pt_reg_sstep(struct reg *reg, int step) 80{ 81 82 /* XXX */ 83} 84