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ca96a942ca
This patch refactors the existing Intel-specific single-stepping mechanism in bhyve's GDB stub to work with both AMD and Intel CPUs. Reviewed by: jhb Sponsored by: Google, Inc. (GSoC 2022) Differential Revision: https://reviews.freebsd.org/D42298
39 lines
1.7 KiB
C
39 lines
1.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2017 John H. Baldwin <jhb@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __GDB_H__
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#define __GDB_H__
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void gdb_cpu_add(struct vcpu *vcpu);
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void gdb_cpu_breakpoint(struct vcpu *vcpu, struct vm_exit *vmexit);
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void gdb_cpu_mtrap(struct vcpu *vcpu);
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void gdb_cpu_suspend(struct vcpu *vcpu);
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void gdb_cpu_debug(struct vcpu *vcpu, struct vm_exit *vmexit);
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void init_gdb(struct vmctx *ctx);
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#endif /* !__GDB_H__ */
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