Date: Wed, 1 Apr 2015 08:37:51 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r280952 - head/lib/libthread_db/arch/aarch64 Message-ID: <201504010837.t318bpks043835@svn.freebsd.org>
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Author: andrew Date: Wed Apr 1 08:37:50 2015 New Revision: 280952 URL: https://svnweb.freebsd.org/changeset/base/280952 Log: Add the arm64 parts of libthread_db. Differential Revision: https://reviews.freebsd.org/D2184 Reviewed by: imp Sponsored by: The FreeBSD Foundation Added: head/lib/libthread_db/arch/aarch64/ head/lib/libthread_db/arch/aarch64/libpthread_md.c (contents, props changed) Added: head/lib/libthread_db/arch/aarch64/libpthread_md.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libthread_db/arch/aarch64/libpthread_md.c Wed Apr 1 08:37:50 2015 (r280952) @@ -0,0 +1,96 @@ +/*- + * Copyright (c) 2014-2015 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Andrew Turner under + * sponsorship from the FreeBSD Foundation. + * + * 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 abort(void); + +void +pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) +{ + mcontext_t *mc = &uc->uc_mcontext; + + memcpy(mc->mc_gpregs.gp_x, r->x, sizeof(mc->mc_gpregs.gp_x)); + mc->mc_gpregs.gp_sp = r->sp; + mc->mc_gpregs.gp_lr = r->lr; + mc->mc_gpregs.gp_elr = r->elr; + mc->mc_gpregs.gp_spsr = r->spsr; +} + +void +pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) +{ + const mcontext_t *mc = &uc->uc_mcontext; + + memcpy(r->x, mc->mc_gpregs.gp_x, sizeof(mc->mc_gpregs.gp_x)); + r->sp = mc->mc_gpregs.gp_sp; + r->lr = mc->mc_gpregs.gp_lr; + r->elr = mc->mc_gpregs.gp_elr; + r->spsr = mc->mc_gpregs.gp_spsr; +} + +void +pt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc) +{ + mcontext_t *mc = &uc->uc_mcontext; + + memcpy(&mc->mc_fpregs, r, sizeof(*r)); + mc->mc_flags |= _MC_FP_VALID; +} + +void +pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r) +{ + const mcontext_t *mc = &uc->uc_mcontext; + + if (mc->mc_flags & _MC_FP_VALID) + memcpy(r, &mc->mc_fpregs, sizeof(*r)); + else + memset(r, 0, sizeof(*r)); + +} + +void +pt_md_init(void) +{ +} + +int +pt_reg_sstep(struct reg *reg __unused, int step __unused) +{ + + return (0); +}
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