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sys/arm/arm/ptrace_machdep.c
- This file was added.
| /*- | |||||
| * Copyright (c) 2017 John Baldwin <jhb@FreeBSD.org> | |||||
| * 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 <sys/proc.h> | |||||
| #include <sys/ptrace.h> | |||||
| #ifdef VFP | |||||
| #include <machine/vfp.h> | |||||
| #endif | |||||
| int | |||||
| cpu_ptrace(struct thread *td, int req, void *addr, int data) | |||||
| { | |||||
| #ifdef VFP | |||||
| mcontext_vfp_t vfp; | |||||
| #endif | |||||
| int error; | |||||
| switch (req) { | |||||
| #ifdef VFP | |||||
| case PT_GETVFPREGS: | |||||
| get_vfpcontext(td, &vfp); | |||||
| error = copyout(&vfp, addr, sizeof(vfp)); | |||||
| break; | |||||
| case PT_SETVFPREGS: | |||||
| error = copyin(addr, &vfp, sizeof(vfp)); | |||||
| if (error == 0) | |||||
| set_vfpcontext(td, &vfp); | |||||
| break; | |||||
| #endif | |||||
| default: | |||||
| error = EINVAL; | |||||
| } | |||||
| return (error); | |||||
| } | |||||