mirror of
https://github.com/gnif/LookingGlass.git
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144 lines
5.4 KiB
C
144 lines
5.4 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2022 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _H_LG_COMMON_DEBUG_
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#define _H_LG_COMMON_DEBUG_
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#ifndef __STDC_FORMAT_MACROS
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#define __STDC_FORMAT_MACROS
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <inttypes.h>
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#include "time.h"
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enum DebugLevel
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{
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DEBUG_LEVEL_NONE,
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DEBUG_LEVEL_INFO,
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DEBUG_LEVEL_WARN,
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DEBUG_LEVEL_ERROR,
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DEBUG_LEVEL_FIXME,
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DEBUG_LEVEL_FATAL
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};
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extern const char ** debug_lookup;
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void debug_init(void);
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#ifdef ENABLE_BACKTRACE
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void printBacktrace(void);
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#define DEBUG_PRINT_BACKTRACE() printBacktrace()
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#else
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#define DEBUG_PRINT_BACKTRACE()
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#endif
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#if defined(_WIN32) && !defined(__GNUC__)
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#define DIRECTORY_SEPARATOR '\\'
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#else
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#define DIRECTORY_SEPARATOR '/'
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#endif
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#ifdef __GNUC__
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#define DEBUG_UNREACHABLE_MARKER() __builtin_unreachable()
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#elif defined(_MSC_VER)
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#define DEBUG_UNREACHABLE_MARKER() __assume(0)
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#else
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#define DEBUG_UNREACHABLE_MARKER()
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#endif
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#define STRIPPATH(s) ( \
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sizeof(s) > 2 && (s)[sizeof(s)- 3] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 2 : \
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sizeof(s) > 3 && (s)[sizeof(s)- 4] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 3 : \
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sizeof(s) > 4 && (s)[sizeof(s)- 5] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 4 : \
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sizeof(s) > 5 && (s)[sizeof(s)- 6] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 5 : \
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sizeof(s) > 6 && (s)[sizeof(s)- 7] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 6 : \
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sizeof(s) > 7 && (s)[sizeof(s)- 8] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 7 : \
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sizeof(s) > 8 && (s)[sizeof(s)- 9] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 8 : \
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sizeof(s) > 9 && (s)[sizeof(s)-10] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 9 : \
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sizeof(s) > 10 && (s)[sizeof(s)-11] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 10 : \
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sizeof(s) > 11 && (s)[sizeof(s)-12] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 11 : \
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sizeof(s) > 12 && (s)[sizeof(s)-13] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 12 : \
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sizeof(s) > 13 && (s)[sizeof(s)-14] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 13 : \
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sizeof(s) > 14 && (s)[sizeof(s)-15] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 14 : \
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sizeof(s) > 15 && (s)[sizeof(s)-16] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 15 : \
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sizeof(s) > 16 && (s)[sizeof(s)-17] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 16 : \
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sizeof(s) > 17 && (s)[sizeof(s)-18] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 17 : \
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sizeof(s) > 18 && (s)[sizeof(s)-19] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 18 : \
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sizeof(s) > 19 && (s)[sizeof(s)-20] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 19 : \
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sizeof(s) > 20 && (s)[sizeof(s)-21] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 20 : \
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sizeof(s) > 21 && (s)[sizeof(s)-22] == DIRECTORY_SEPARATOR ? (s) + sizeof(s) - 21 : (s))
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#define DEBUG_PRINT(level, fmt, ...) do { \
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fprintf(stderr, "%s%12" PRId64 "%20s:%-4u | %-30s | " fmt "%s\n", \
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debug_lookup[level], microtime(), STRIPPATH(__FILE__), \
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__LINE__, __FUNCTION__, ##__VA_ARGS__, debug_lookup[DEBUG_LEVEL_NONE]); \
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} while (0)
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#define DEBUG_BREAK() DEBUG_PRINT(DEBUG_LEVEL_INFO, "================================================================================")
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#define DEBUG_INFO(fmt, ...) DEBUG_PRINT(DEBUG_LEVEL_INFO, fmt, ##__VA_ARGS__)
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#define DEBUG_WARN(fmt, ...) DEBUG_PRINT(DEBUG_LEVEL_WARN, fmt, ##__VA_ARGS__)
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#define DEBUG_ERROR(fmt, ...) DEBUG_PRINT(DEBUG_LEVEL_ERROR, fmt, ##__VA_ARGS__)
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#define DEBUG_FIXME(fmt, ...) DEBUG_PRINT(DEBUG_LEVEL_FIXME, fmt, ##__VA_ARGS__)
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#define DEBUG_FATAL(fmt, ...) do { \
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DEBUG_BREAK(); \
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DEBUG_PRINT(DEBUG_LEVEL_FATAL, fmt, ##__VA_ARGS__); \
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DEBUG_PRINT_BACKTRACE(); \
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abort(); \
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DEBUG_UNREACHABLE_MARKER(); \
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} while(0)
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#define DEBUG_ASSERT_PRINT(...) DEBUG_ERROR("Assertion failed: %s", #__VA_ARGS__)
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#ifdef NDEBUG
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#define DEBUG_ASSERT(...) do { \
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if (!(__VA_ARGS__)) \
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DEBUG_ASSERT_PRINT(__VA_ARGS__); \
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} while (0)
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#else
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#define DEBUG_ASSERT(...) do { \
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if (!(__VA_ARGS__)) \
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{ \
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DEBUG_ASSERT_PRINT(__VA_ARGS__); \
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abort(); \
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} \
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} while (0)
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#endif
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#define DEBUG_UNREACHABLE() DEBUG_FATAL("Unreachable code reached")
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#if defined(DEBUG_SPICE) | defined(DEBUG_IVSHMEM)
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#define DEBUG_PROTO(fmt, args...) DEBUG_PRINT("[P]", fmt, ##args)
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#else
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#define DEBUG_PROTO(fmt, ...) do {} while(0)
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#endif
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void debug_info(const char * file, unsigned int line, const char * function,
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const char * format, ...) __attribute__((format (printf, 4, 5)));
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void debug_warn(const char * file, unsigned int line, const char * function,
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const char * format, ...) __attribute__((format (printf, 4, 5)));
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void debug_error(const char * file, unsigned int line, const char * function,
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const char * format, ...) __attribute__((format (printf, 4, 5)));
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#endif
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