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1a52c10530
Pull the latest headers for Xen which allow us to add support for ARM and
use new features in FreeBSD.
This is a verbatim copy of the xen/include/public so every headers which
don't exits anymore in the Xen repositories have been dropped.
Note the interface version hasn't been bumped, it will be done in a
follow-up. Although, it requires fix in the code to get it compiled:
- sys/xen/xen_intr.h: evtchn_port_t is already defined in the headers so
drop it.
- {amd64,i386}/include/intr_machdep.h: NR_EVENT_CHANNELS now depends on
xen/interface/event_channel.h, so include it.
- {amd64,i386}/{amd64,i386}/support.S: It's not neccessary to include
machine/intr_machdep.h. This is also fixing build compilation with the
new headers.
- dev/xen/blkfront/blkfront.c: The typedef for blkif_request_segmenthas
been dropped. So directly use struct blkif_request_segment
Finally, modify xen/interface/xen-compat.h to throw a preprocessing error if
__XEN_INTERFACE_VERSION__ is not set. This is allow us to catch any file
where xen/xen-os.h is not correctly included.
Submitted by: Julien Grall <julien.grall@citrix.com>
Reviewed by: royger
Differential Revision: https://reviews.freebsd.org/D3805
Sponsored by: Citrix Systems R&D
116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/******************************************************************************
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* gcov.h
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*
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* Coverage structures exported by Xen.
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* Structure is different from Gcc one.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright (c) 2013, Citrix Systems R&D Ltd.
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*/
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#ifndef __XEN_PUBLIC_GCOV_H__
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#define __XEN_PUBLIC_GCOV_H__ __XEN_PUBLIC_GCOV_H__
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#define XENCOV_COUNTERS 5
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#define XENCOV_TAG_BASE 0x58544300u
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#define XENCOV_TAG_FILE (XENCOV_TAG_BASE+0x46u)
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#define XENCOV_TAG_FUNC (XENCOV_TAG_BASE+0x66u)
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#define XENCOV_TAG_COUNTER(n) (XENCOV_TAG_BASE+0x30u+((n)&0xfu))
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#define XENCOV_TAG_END (XENCOV_TAG_BASE+0x2eu)
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#define XENCOV_IS_TAG_COUNTER(n) \
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((n) >= XENCOV_TAG_COUNTER(0) && (n) < XENCOV_TAG_COUNTER(XENCOV_COUNTERS))
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#define XENCOV_COUNTER_NUM(n) ((n)-XENCOV_TAG_COUNTER(0))
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/*
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* The main structure for the blob is
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* BLOB := FILE.. END
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* FILE := TAG_FILE VERSION STAMP FILENAME COUNTERS FUNCTIONS
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* FILENAME := LEN characters
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* characters are padded to 32 bit
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* LEN := 32 bit value
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* COUNTERS := TAG_COUNTER(n) NUM COUNTER..
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* NUM := 32 bit valie
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* COUNTER := 64 bit value
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* FUNCTIONS := TAG_FUNC NUM FUNCTION..
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* FUNCTION := IDENT CHECKSUM NUM_COUNTERS
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*
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* All tagged structures are aligned to 8 bytes
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*/
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/**
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* File information
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* Prefixed with XENCOV_TAG_FILE and a string with filename
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* Aligned to 8 bytes
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*/
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struct xencov_file
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{
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uint32_t tag; /* XENCOV_TAG_FILE */
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uint32_t version;
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uint32_t stamp;
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uint32_t fn_len;
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char filename[1];
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};
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/**
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* Counters information
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* Prefixed with XENCOV_TAG_COUNTER(n) where n is 0..(XENCOV_COUNTERS-1)
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* Aligned to 8 bytes
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*/
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struct xencov_counter
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{
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uint32_t tag; /* XENCOV_TAG_COUNTER(n) */
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uint32_t num;
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uint64_t values[1];
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};
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/**
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* Information for each function
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* Number of counter is equal to the number of counter structures got before
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*/
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struct xencov_function
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{
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uint32_t ident;
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uint32_t checksum;
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uint32_t num_counters[1];
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};
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/**
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* Information for all functions
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* Aligned to 8 bytes
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*/
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struct xencov_functions
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{
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uint32_t tag; /* XENCOV_TAG_FUNC */
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uint32_t num;
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struct xencov_function xencov_function[1];
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};
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/**
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* Terminator
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*/
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struct xencov_end
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{
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uint32_t tag; /* XENCOV_TAG_END */
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};
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#endif /* __XEN_PUBLIC_GCOV_H__ */
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