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libpthread_md.c
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Editing: libpthread_md.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2007 Olivier Houchard * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/types.h> #include <string.h> #include <thread_db.h> #include "libpthread_db.h" void pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) { mcontext_t *mc = &uc->uc_mcontext; __greg_t *gr = mc->__gregs; gr[_REG_R0] = r->r[0]; gr[_REG_R1] = r->r[1]; gr[_REG_R2] = r->r[2]; gr[_REG_R3] = r->r[3]; gr[_REG_R4] = r->r[4]; gr[_REG_R5] = r->r[5]; gr[_REG_R6] = r->r[6]; gr[_REG_R7] = r->r[7]; gr[_REG_R8] = r->r[8]; gr[_REG_R9] = r->r[9]; gr[_REG_R10] = r->r[10]; gr[_REG_R11] = r->r[11]; gr[_REG_R12] = r->r[12]; gr[_REG_SP] = r->r_sp; gr[_REG_LR] = r->r_lr; gr[_REG_PC] = r->r_pc; gr[_REG_CPSR] = r->r_cpsr; } void pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) { const mcontext_t *mc = &uc->uc_mcontext; const __greg_t *gr = mc->__gregs; r->r[0] = gr[_REG_R0]; r->r[1] = gr[_REG_R1]; r->r[2] = gr[_REG_R2]; r->r[3] = gr[_REG_R3]; r->r[4] = gr[_REG_R4]; r->r[5] = gr[_REG_R5]; r->r[6] = gr[_REG_R6]; r->r[7] = gr[_REG_R7]; r->r[8] = gr[_REG_R8]; r->r[9] = gr[_REG_R9]; r->r[10] = gr[_REG_R10]; r->r[11] = gr[_REG_R11]; r->r[12] = gr[_REG_R12]; r->r_sp = gr[_REG_SP]; r->r_lr = gr[_REG_LR]; r->r_pc = gr[_REG_PC]; r->r_cpsr = gr[_REG_CPSR]; } void pt_fpreg_to_ucontext(const struct fpreg *r __unused, ucontext_t *uc) { mcontext_t *mc = &uc->uc_mcontext; /* XXX */ mc->mc_vfp_size = 0; mc->mc_vfp_ptr = NULL; memset(mc->mc_spare, 0, sizeof(mc->mc_spare)); } void pt_ucontext_to_fpreg(const ucontext_t *uc __unused, struct fpreg *r) { /* XXX */ memset(r, 0, sizeof(*r)); } void pt_md_init(void) { } int pt_reg_sstep(struct reg *reg __unused, int step __unused) { /* XXX */ return (0); }
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