/usr/include/xen/gcov.h is in libxen-dev 4.4.0-0ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | /******************************************************************************
* gcov.h
*
* Coverage structures exported by Xen.
* Structure is different from Gcc one.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Copyright (c) 2013, Citrix Systems R&D Ltd.
*/
#ifndef __XEN_PUBLIC_GCOV_H__
#define __XEN_PUBLIC_GCOV_H__ __XEN_PUBLIC_GCOV_H__
#define XENCOV_COUNTERS 5
#define XENCOV_TAG_BASE 0x58544300u
#define XENCOV_TAG_FILE (XENCOV_TAG_BASE+0x46u)
#define XENCOV_TAG_FUNC (XENCOV_TAG_BASE+0x66u)
#define XENCOV_TAG_COUNTER(n) (XENCOV_TAG_BASE+0x30u+((n)&0xfu))
#define XENCOV_TAG_END (XENCOV_TAG_BASE+0x2eu)
#define XENCOV_IS_TAG_COUNTER(n) \
((n) >= XENCOV_TAG_COUNTER(0) && (n) < XENCOV_TAG_COUNTER(XENCOV_COUNTERS))
#define XENCOV_COUNTER_NUM(n) ((n)-XENCOV_TAG_COUNTER(0))
/*
* The main structure for the blob is
* BLOB := FILE.. END
* FILE := TAG_FILE VERSION STAMP FILENAME COUNTERS FUNCTIONS
* FILENAME := LEN characters
* characters are padded to 32 bit
* LEN := 32 bit value
* COUNTERS := TAG_COUNTER(n) NUM COUNTER..
* NUM := 32 bit valie
* COUNTER := 64 bit value
* FUNCTIONS := TAG_FUNC NUM FUNCTION..
* FUNCTION := IDENT CHECKSUM NUM_COUNTERS
*
* All tagged structures are aligned to 8 bytes
*/
/**
* File information
* Prefixed with XENCOV_TAG_FILE and a string with filename
* Aligned to 8 bytes
*/
struct xencov_file
{
uint32_t tag; /* XENCOV_TAG_FILE */
uint32_t version;
uint32_t stamp;
uint32_t fn_len;
char filename[1];
};
/**
* Counters information
* Prefixed with XENCOV_TAG_COUNTER(n) where n is 0..(XENCOV_COUNTERS-1)
* Aligned to 8 bytes
*/
struct xencov_counter
{
uint32_t tag; /* XENCOV_TAG_COUNTER(n) */
uint32_t num;
uint64_t values[1];
};
/**
* Information for each function
* Number of counter is equal to the number of counter structures got before
*/
struct xencov_function
{
uint32_t ident;
uint32_t checksum;
uint32_t num_counters[1];
};
/**
* Information for all functions
* Aligned to 8 bytes
*/
struct xencov_functions
{
uint32_t tag; /* XENCOV_TAG_FUNC */
uint32_t num;
struct xencov_function xencov_function[1];
};
/**
* Terminator
*/
struct xencov_end
{
uint32_t tag; /* XENCOV_TAG_END */
};
#endif /* __XEN_PUBLIC_GCOV_H__ */
|