| 1 | /* $Id: assert-r0drv-os2.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Assertion Workers, Ring-0 Drivers, OS/2.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Contributed by knut st. osmundsen.
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| 8 | *
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| 9 | * Copyright (C) 2007-2022 Oracle and/or its affiliates.
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| 10 | *
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| 11 | * This file is part of VirtualBox base platform packages, as
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| 12 | * available from https://www.virtualbox.org.
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| 13 | *
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| 14 | * This program is free software; you can redistribute it and/or
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| 15 | * modify it under the terms of the GNU General Public License
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| 16 | * as published by the Free Software Foundation, in version 3 of the
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| 17 | * License.
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| 18 | *
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| 19 | * This program is distributed in the hope that it will be useful, but
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| 20 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 22 | * General Public License for more details.
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| 23 | *
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| 24 | * You should have received a copy of the GNU General Public License
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| 25 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 26 | *
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| 27 | * The contents of this file may alternatively be used under the terms
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| 28 | * of the Common Development and Distribution License Version 1.0
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| 29 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 30 | * in the VirtualBox distribution, in which case the provisions of the
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| 31 | * CDDL are applicable instead of those of the GPL.
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| 32 | *
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| 33 | * You may elect to license modified versions of this file under the
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| 34 | * terms and conditions of either the GPL or the CDDL or both.
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| 35 | *
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| 36 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 37 | * --------------------------------------------------------------------
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| 38 | *
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| 39 | * This code is based on:
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| 40 | *
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| 41 | * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
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| 42 | *
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| 43 | * Permission is hereby granted, free of charge, to any person
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| 44 | * obtaining a copy of this software and associated documentation
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| 45 | * files (the "Software"), to deal in the Software without
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| 46 | * restriction, including without limitation the rights to use,
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| 47 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 48 | * copies of the Software, and to permit persons to whom the
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| 49 | * Software is furnished to do so, subject to the following
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| 50 | * conditions:
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| 51 | *
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| 52 | * The above copyright notice and this permission notice shall be
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| 53 | * included in all copies or substantial portions of the Software.
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| 54 | *
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| 55 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 56 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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| 57 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 58 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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| 59 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 60 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 61 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 62 | * OTHER DEALINGS IN THE SOFTWARE.
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| 63 | */
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| 64 |
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| 65 |
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| 66 | /*********************************************************************************************************************************
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| 67 | * Header Files *
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| 68 | *********************************************************************************************************************************/
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| 69 | #include <iprt/assert.h>
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| 70 | #include <iprt/log.h>
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| 71 | #include <iprt/string.h>
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| 72 | #include <iprt/stdarg.h>
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| 73 |
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| 74 | #include <VBox/log.h>
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| 75 |
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| 76 | #include "internal/assert.h"
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| 77 |
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| 78 |
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| 79 | /*********************************************************************************************************************************
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| 80 | * Global Variables *
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| 81 | *********************************************************************************************************************************/
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| 82 | RT_C_DECLS_BEGIN /* for watcom */
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| 83 | /** The last assert message. (in DATA16) */
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| 84 | extern char g_szRTAssertMsg[2048];
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| 85 | /** The length of the last assert message. (in DATA16) */
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| 86 | extern size_t g_cchRTAssertMsg;
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| 87 | RT_C_DECLS_END
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| 88 |
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| 89 |
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| 90 | /*********************************************************************************************************************************
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| 91 | * Internal Functions *
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| 92 | *********************************************************************************************************************************/
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| 93 | static DECLCALLBACK(size_t) rtR0Os2AssertOutputCB(void *pvArg, const char *pachChars, size_t cbChars);
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| 94 |
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| 95 |
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| 96 | DECLHIDDEN(void) rtR0AssertNativeMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
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| 97 | {
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| 98 | #if defined(DEBUG_bird)
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| 99 | RTLogComPrintf("\n!!Assertion Failed!!\n"
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| 100 | "Expression: %s\n"
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| 101 | "Location : %s(%d) %s\n",
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| 102 | pszExpr, pszFile, uLine, pszFunction);
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| 103 | #endif
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| 104 |
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| 105 | g_cchRTAssertMsg = RTStrPrintf(g_szRTAssertMsg, sizeof(g_szRTAssertMsg),
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| 106 | "\r\n!!Assertion Failed!!\r\n"
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| 107 | "Expression: %s\r\n"
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| 108 | "Location : %s(%d) %s\r\n",
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| 109 | pszExpr, pszFile, uLine, pszFunction);
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| 110 | }
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| 111 |
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| 112 |
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| 113 | DECLHIDDEN(void) rtR0AssertNativeMsg2V(bool fInitial, const char *pszFormat, va_list va)
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| 114 | {
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| 115 | #if defined(DEBUG_bird)
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| 116 | va_list vaCopy;
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| 117 | va_copy(vaCopy, va);
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| 118 | RTLogComPrintfV(pszFormat, vaCopy);
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| 119 | va_end(vaCopy);
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| 120 | #endif
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| 121 |
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| 122 | size_t cch = g_cchRTAssertMsg;
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| 123 | char *pch = &g_szRTAssertMsg[cch];
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| 124 | cch += RTStrFormatV(rtR0Os2AssertOutputCB, &pch, NULL, NULL, pszFormat, va);
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| 125 | g_cchRTAssertMsg = cch;
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| 126 |
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| 127 | NOREF(fInitial);
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| 128 | }
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| 129 |
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| 130 |
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| 131 | /**
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| 132 | * Output callback.
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| 133 | *
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| 134 | * @returns number of bytes written.
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| 135 | * @param pvArg Pointer to a char pointer with the current output position.
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| 136 | * @param pachChars Pointer to an array of utf-8 characters.
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| 137 | * @param cbChars Number of bytes in the character array pointed to by pachChars.
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| 138 | */
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| 139 | static DECLCALLBACK(size_t) rtR0Os2AssertOutputCB(void *pvArg, const char *pachChars, size_t cbChars)
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| 140 | {
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| 141 | char **ppch = (char **)pvArg;
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| 142 | char *pch = *ppch;
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| 143 |
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| 144 | while (cbChars-- > 0)
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| 145 | {
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| 146 | const char ch = *pachChars++;
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| 147 | if (ch == '\r')
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| 148 | continue;
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| 149 | if (ch == '\n')
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| 150 | {
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| 151 | if (pch + 1 >= &g_szRTAssertMsg[sizeof(g_szRTAssertMsg)])
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| 152 | break;
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| 153 | *pch++ = '\r';
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| 154 | }
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| 155 | if (pch + 1 >= &g_szRTAssertMsg[sizeof(g_szRTAssertMsg)])
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| 156 | break;
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| 157 | *pch++ = ch;
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| 158 | }
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| 159 | *pch = '\0';
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| 160 |
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| 161 | size_t cbWritten = pch - *ppch;
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| 162 | *ppch = pch;
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| 163 | return cbWritten;
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| 164 | }
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| 165 |
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| 166 |
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| 167 | /* RTR0AssertPanicSystem is implemented in RTR0AssertPanicSystem-r0drv-os2.asm */
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| 168 |
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