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author | andrew <andrew@FreeBSD.org> | 2015-04-01 08:37:50 +0000 |
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committer | andrew <andrew@FreeBSD.org> | 2015-04-01 08:37:50 +0000 |
commit | 9f819b4b17baed7595d4848f197face4670c1499 (patch) | |
tree | 3623bb3bc79ba9bca7ccff851dc68d7052f10612 /lib/libthread_db | |
parent | 3046fbea8a690127ea911892b988e9315dfb9e81 (diff) | |
download | FreeBSD-src-9f819b4b17baed7595d4848f197face4670c1499.zip FreeBSD-src-9f819b4b17baed7595d4848f197face4670c1499.tar.gz |
Add the arm64 parts of libthread_db.
Differential Revision: https://reviews.freebsd.org/D2184
Reviewed by: imp
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'lib/libthread_db')
-rw-r--r-- | lib/libthread_db/arch/aarch64/libpthread_md.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/libthread_db/arch/aarch64/libpthread_md.c b/lib/libthread_db/arch/aarch64/libpthread_md.c new file mode 100644 index 0000000..75f4553 --- /dev/null +++ b/lib/libthread_db/arch/aarch64/libpthread_md.c @@ -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); +} |