libpthread_md.c revision 254450
1117397Skan/* 2117397Skan * Copyright (c) 2007 Olivier Houchard 3169691Skan * All rights reserved. 4117397Skan * 5117397Skan * Redistribution and use in source and binary forms, with or without 6117397Skan * modification, are permitted provided that the following conditions 7117397Skan * are met: 8117397Skan * 1. Redistributions of source code must retain the above copyright 9117397Skan * notice, this list of conditions and the following disclaimer. 10117397Skan * 2. Redistributions in binary form must reproduce the above copyright 11117397Skan * notice, this list of conditions and the following disclaimer in the 12117397Skan * documentation and/or other materials provided with the distribution. 13117397Skan * 14117397Skan * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15117397Skan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16117397Skan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17117397Skan * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18169691Skan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19117397Skan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20117397Skan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21117397Skan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22117397Skan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23117397Skan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24117397Skan * SUCH DAMAGE. 25117397Skan */ 26117397Skan 27117397Skan#include <sys/cdefs.h> 28117397Skan__FBSDID("$FreeBSD: head/lib/libthread_db/arch/arm/libpthread_md.c 254450 2013-08-17 14:42:40Z andrew $"); 29117397Skan 30169691Skan#include <sys/types.h> 31117397Skan#include <string.h> 32169691Skan#include <thread_db.h> 33169691Skan 34132720Skan#include "libpthread_db.h" 35132720Skan 36132720Skanvoid 37132720Skanpt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) 38132720Skan{ 39117397Skan mcontext_t *mc = &uc->uc_mcontext; 40132720Skan __greg_t *gr = mc->__gregs; 41132720Skan 42117397Skan gr[_REG_R0] = r->r[0]; 43132720Skan gr[_REG_R1] = r->r[1]; 44132720Skan gr[_REG_R2] = r->r[2]; 45132720Skan gr[_REG_R3] = r->r[3]; 46132720Skan gr[_REG_R4] = r->r[4]; 47132720Skan gr[_REG_R5] = r->r[5]; 48132720Skan gr[_REG_R6] = r->r[6]; 49132720Skan gr[_REG_R7] = r->r[7]; 50132720Skan gr[_REG_R8] = r->r[8]; 51132720Skan gr[_REG_R9] = r->r[9]; 52132720Skan gr[_REG_R10] = r->r[10]; 53132720Skan gr[_REG_R11] = r->r[11]; 54132720Skan gr[_REG_R12] = r->r[12]; 55132720Skan gr[_REG_SP] = r->r_sp; 56132720Skan gr[_REG_LR] = r->r_lr; 57132720Skan gr[_REG_PC] = r->r_pc; 58132720Skan gr[_REG_CPSR] = r->r_cpsr; 59132720Skan} 60132720Skan 61132720Skanvoid 62132720Skanpt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) 63132720Skan{ 64132720Skan const mcontext_t *mc = &uc->uc_mcontext; 65132720Skan 66132720Skan const __greg_t *gr = mc->__gregs; 67132720Skan 68132720Skan r->r[0] = gr[_REG_R0]; 69132720Skan r->r[1] = gr[_REG_R1]; 70132720Skan r->r[2] = gr[_REG_R2]; 71132720Skan r->r[3] = gr[_REG_R3]; 72132720Skan r->r[4] = gr[_REG_R4]; 73132720Skan r->r[5] = gr[_REG_R5]; 74169691Skan r->r[6] = gr[_REG_R6]; 75169691Skan r->r[7] = gr[_REG_R7]; 76 r->r[8] = gr[_REG_R8]; 77 r->r[9] = gr[_REG_R9]; 78 r->r[10] = gr[_REG_R10]; 79 r->r[11] = gr[_REG_R11]; 80 r->r[12] = gr[_REG_R12]; 81 r->r_sp = gr[_REG_SP]; 82 r->r_lr = gr[_REG_LR]; 83 r->r_pc = gr[_REG_PC]; 84 r->r_cpsr = gr[_REG_CPSR]; 85} 86 87void 88pt_fpreg_to_ucontext(const struct fpreg *r __unused, ucontext_t *uc) 89{ 90 mcontext_t *mc = &uc->uc_mcontext; 91 92 /* XXX */ 93 memset(&mc->__fpu, 0, sizeof(mc->__fpu)); 94} 95 96void 97pt_ucontext_to_fpreg(const ucontext_t *uc __unused, struct fpreg *r) 98{ 99 100 /* XXX */ 101 memset(r, 0, sizeof(*r)); 102} 103 104void 105pt_md_init(void) 106{ 107} 108 109int 110pt_reg_sstep(struct reg *reg __unused, int step __unused) 111{ 112 113 /* XXX */ 114 return (0); 115} 116