| 1 | /* $Id: RTLdrFlt.cpp 47057 2013-07-09 16:02:56Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Utility for translating addresses into symbols+offset.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2012 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*******************************************************************************
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| 29 | * Header Files *
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| 30 | *******************************************************************************/
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| 31 | #include <iprt/mem.h>
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| 32 | #include <iprt/assert.h>
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| 33 | #include <iprt/ctype.h>
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| 34 | #include <iprt/dbg.h>
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| 35 | #include <iprt/err.h>
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| 36 | #include <iprt/getopt.h>
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| 37 | #include <iprt/initterm.h>
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| 38 | #include <iprt/message.h>
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| 39 | #include <iprt/path.h>
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| 40 | #include <iprt/stream.h>
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| 41 | #include <iprt/string.h>
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| 42 |
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| 43 |
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| 44 |
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| 45 | /**
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| 46 | * Tries to parse out an address at the head of the string.
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| 47 | *
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| 48 | * @returns true if found address, false if not.
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| 49 | * @param psz Where to start parsing.
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| 50 | * @param pcchAddress Where to store the address length.
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| 51 | * @param pu64Address Where to store the address value.
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| 52 | */
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| 53 | static bool TryParseAddress(const char *psz, size_t *pcchAddress, uint64_t *pu64Address)
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| 54 | {
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| 55 | const char *pszStart = psz;
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| 56 |
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| 57 | /*
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| 58 | * Hex prefix?
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| 59 | */
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| 60 | if (psz[0] == '0' && (psz[1] == 'x' || psz[1] == 'X'))
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| 61 | psz += 2;
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| 62 |
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| 63 | /*
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| 64 | * How many hex digits? We want at least 4 and at most 16.
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| 65 | */
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| 66 | size_t off = 0;
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| 67 | while (RT_C_IS_XDIGIT(psz[off]))
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| 68 | off++;
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| 69 | if (off < 4 || off > 16)
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| 70 | return false;
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| 71 |
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| 72 | /*
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| 73 | * Check for separator (xxxxxxxx'yyyyyyyy).
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| 74 | */
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| 75 | bool fHave64bitSep = off <= 8
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| 76 | && psz[off] == '\''
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| 77 | && RT_C_IS_XDIGIT(psz[off + 1])
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| 78 | && RT_C_IS_XDIGIT(psz[off + 2])
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| 79 | && RT_C_IS_XDIGIT(psz[off + 3])
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| 80 | && RT_C_IS_XDIGIT(psz[off + 4])
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| 81 | && RT_C_IS_XDIGIT(psz[off + 5])
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| 82 | && RT_C_IS_XDIGIT(psz[off + 6])
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| 83 | && RT_C_IS_XDIGIT(psz[off + 7])
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| 84 | && RT_C_IS_XDIGIT(psz[off + 8])
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| 85 | && !RT_C_IS_XDIGIT(psz[off + 9]);
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| 86 | if (fHave64bitSep)
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| 87 | {
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| 88 | uint32_t u32High;
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| 89 | int rc = RTStrToUInt32Ex(psz, NULL, 16, &u32High);
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| 90 | if (rc != VWRN_TRAILING_CHARS)
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| 91 | return false;
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| 92 |
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| 93 | uint32_t u32Low;
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| 94 | rc = RTStrToUInt32Ex(&psz[off + 1], NULL, 16, &u32Low);
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| 95 | if ( rc != VINF_SUCCESS
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| 96 | && rc != VWRN_TRAILING_SPACES
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| 97 | && rc != VWRN_TRAILING_CHARS)
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| 98 | return false;
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| 99 |
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| 100 | *pu64Address = RT_MAKE_U64(u32Low, u32High);
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| 101 | off += 1 + 8;
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| 102 | }
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| 103 | else
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| 104 | {
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| 105 | int rc = RTStrToUInt64Ex(psz, NULL, 16, pu64Address);
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| 106 | if ( rc != VINF_SUCCESS
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| 107 | && rc != VWRN_TRAILING_SPACES
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| 108 | && rc != VWRN_TRAILING_CHARS)
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| 109 | return false;
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| 110 | }
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| 111 |
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| 112 | *pcchAddress = psz + off - pszStart;
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| 113 | return true;
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| 114 | }
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| 115 |
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| 116 |
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| 117 | int main(int argc, char **argv)
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| 118 | {
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| 119 | int rc = RTR3InitExe(argc, &argv, 0);
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| 120 | if (RT_FAILURE(rc))
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| 121 | return RTMsgInitFailure(rc);
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| 122 |
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| 123 | /*
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| 124 | * Create an empty address space that we can load modules and stuff into
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| 125 | * as we parse the parameters.
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| 126 | */
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| 127 | RTDBGAS hDbgAs;
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| 128 | rc = RTDbgAsCreate(&hDbgAs, 0, RTUINTPTR_MAX, "");
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| 129 | if (RT_FAILURE(rc))
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| 130 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTDBgAsCreate -> %Rrc", rc);
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| 131 |
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| 132 | /*
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| 133 | * Create a debugging configuration instance to work with so that we can
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| 134 | * make use of (i.e. test) path searching and such.
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| 135 | */
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| 136 | RTDBGCFG hDbgCfg;
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| 137 | rc = RTDbgCfgCreate(&hDbgCfg, "IPRT", true /*fNativePaths*/);
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| 138 | if (RT_FAILURE(rc))
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| 139 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTDbgCfgCreate -> %Rrc", rc);
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| 140 |
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| 141 | /*
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| 142 | * Parse arguments.
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| 143 | */
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| 144 | static const RTGETOPTDEF s_aOptions[] =
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| 145 | {
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| 146 | { "--input", 'i', RTGETOPT_REQ_STRING },
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| 147 | { "--local-file", 'l', RTGETOPT_REQ_NOTHING },
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| 148 | { "--cache-file", 'c', RTGETOPT_REQ_NOTHING },
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| 149 | { "--pe-image", 'p', RTGETOPT_REQ_NOTHING },
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| 150 | { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
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| 151 | { "--x86", '8', RTGETOPT_REQ_NOTHING },
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| 152 | { "--amd64", '6', RTGETOPT_REQ_NOTHING },
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| 153 | { "--whatever", '*', RTGETOPT_REQ_NOTHING },
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| 154 | };
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| 155 |
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| 156 | PRTSTREAM pInput = g_pStdIn;
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| 157 | PRTSTREAM pOutput = g_pStdOut;
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| 158 | unsigned cVerbosityLevel = 0;
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| 159 | enum {
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| 160 | kOpenMethod_FromImage,
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| 161 | kOpenMethod_FromPeImage
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| 162 | } enmOpenMethod = kOpenMethod_FromImage;
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| 163 | bool fCacheFile = false;
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| 164 | RTLDRARCH enmArch = RTLDRARCH_WHATEVER;
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| 165 |
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| 166 | RTGETOPTUNION ValueUnion;
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| 167 | RTGETOPTSTATE GetState;
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| 168 | RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0);
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| 169 | while ((rc = RTGetOpt(&GetState, &ValueUnion)))
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| 170 | {
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| 171 | switch (rc)
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| 172 | {
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| 173 | case 'i':
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| 174 | rc = RTStrmOpen(ValueUnion.psz, "r", &pInput);
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| 175 | if (RT_FAILURE(rc))
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| 176 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to open '%s' for reading: %Rrc", ValueUnion.psz, rc);
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| 177 | break;
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| 178 |
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| 179 | case 'c':
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| 180 | fCacheFile = true;
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| 181 | break;
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| 182 |
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| 183 | case 'l':
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| 184 | fCacheFile = false;
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| 185 | break;
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| 186 |
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| 187 | case 'p':
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| 188 | enmOpenMethod = kOpenMethod_FromPeImage;
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| 189 | break;
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| 190 |
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| 191 | case 'v':
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| 192 | cVerbosityLevel++;
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| 193 | break;
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| 194 |
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| 195 | case '8':
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| 196 | enmArch = RTLDRARCH_X86_32;
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| 197 | break;
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| 198 |
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| 199 | case '6':
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| 200 | enmArch = RTLDRARCH_AMD64;
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| 201 | break;
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| 202 |
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| 203 | case '*':
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| 204 | enmArch = RTLDRARCH_WHATEVER;
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| 205 | break;
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| 206 |
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| 207 | case 'h':
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| 208 | RTPrintf("Usage: %s [options] <module> <address> [<module> <address> [..]]\n"
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| 209 | "\n"
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| 210 | "Options:\n"
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| 211 | " -i,--input=file\n"
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| 212 | " Specify a input file instead of standard input.\n"
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| 213 | " --pe-image\n"
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| 214 | " Use RTDbgModCreateFromPeImage to open the file."
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| 215 | " -v, --verbose\n"
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| 216 | " Display the address space before doing the filtering.\n"
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| 217 | " --amd64,--x86,--whatever\n"
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| 218 | " Selects the desired architecture.\n"
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| 219 | " -h, -?, --help\n"
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| 220 | " Display this help text and exit successfully.\n"
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| 221 | " -V, --version\n"
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| 222 | " Display the revision and exit successfully.\n"
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| 223 | , RTPathFilename(argv[0]));
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| 224 | return RTEXITCODE_SUCCESS;
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| 225 |
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| 226 | case 'V':
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| 227 | RTPrintf("$Revision: 47057 $\n");
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| 228 | return RTEXITCODE_SUCCESS;
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| 229 |
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| 230 | case VINF_GETOPT_NOT_OPTION:
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| 231 | {
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| 232 | /* <module> <address> */
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| 233 | const char *pszModule = ValueUnion.psz;
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| 234 |
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| 235 | rc = RTGetOptFetchValue(&GetState, &ValueUnion, RTGETOPT_REQ_UINT64 | RTGETOPT_FLAG_HEX);
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| 236 | if (RT_FAILURE(rc))
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| 237 | return RTGetOptPrintError(rc, &ValueUnion);
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| 238 | uint64_t u64Address = ValueUnion.u64;
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| 239 |
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| 240 | uint32_t cbImage = 0;
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| 241 | uint32_t uTimestamp = 0;
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| 242 | if (fCacheFile)
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| 243 | {
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| 244 | rc = RTGetOptFetchValue(&GetState, &ValueUnion, RTGETOPT_REQ_UINT32 | RTGETOPT_FLAG_HEX);
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| 245 | if (RT_FAILURE(rc))
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| 246 | return RTGetOptPrintError(rc, &ValueUnion);
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| 247 | cbImage = ValueUnion.u32;
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| 248 |
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| 249 | rc = RTGetOptFetchValue(&GetState, &ValueUnion, RTGETOPT_REQ_UINT32 | RTGETOPT_FLAG_HEX);
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| 250 | if (RT_FAILURE(rc))
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| 251 | return RTGetOptPrintError(rc, &ValueUnion);
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| 252 | uTimestamp = ValueUnion.u32;
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| 253 | }
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| 254 |
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| 255 | RTDBGMOD hMod;
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| 256 | if (enmOpenMethod == kOpenMethod_FromImage)
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| 257 | rc = RTDbgModCreateFromImage(&hMod, pszModule, NULL, enmArch, hDbgCfg);
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| 258 | else
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| 259 | rc = RTDbgModCreateFromPeImage(&hMod, pszModule, NULL, NIL_RTLDRMOD, cbImage, uTimestamp, hDbgCfg);
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| 260 | if (RT_FAILURE(rc))
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| 261 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTDbgModCreateFromImage(,%s,,) -> %Rrc", pszModule, rc);
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| 262 |
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| 263 | rc = RTDbgAsModuleLink(hDbgAs, hMod, u64Address, 0 /* fFlags */);
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| 264 | if (RT_FAILURE(rc))
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| 265 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTDbgAsModuleLink(,%s,%llx,) -> %Rrc", pszModule, u64Address, rc);
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| 266 | break;
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| 267 | }
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| 268 |
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| 269 | default:
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| 270 | return RTGetOptPrintError(rc, &ValueUnion);
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| 271 | }
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| 272 | }
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| 273 |
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| 274 | /*
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| 275 | * Display the address space.
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| 276 | */
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| 277 | if (cVerbosityLevel)
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| 278 | {
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| 279 | RTPrintf("*** Address Space Dump ***\n");
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| 280 | uint32_t cModules = RTDbgAsModuleCount(hDbgAs);
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| 281 | for (uint32_t iModule = 0; iModule < cModules; iModule++)
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| 282 | {
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| 283 | RTDBGMOD hDbgMod = RTDbgAsModuleByIndex(hDbgAs, iModule);
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| 284 | RTPrintf("Module #%u: %s\n", iModule, RTDbgModName(hDbgMod));
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| 285 |
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| 286 | RTDBGASMAPINFO aMappings[128];
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| 287 | uint32_t cMappings = RT_ELEMENTS(aMappings);
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| 288 | rc = RTDbgAsModuleQueryMapByIndex(hDbgAs, iModule, &aMappings[0], &cMappings, 0 /*fFlags*/);
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| 289 | if (RT_SUCCESS(rc))
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| 290 | {
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| 291 | for (uint32_t iMapping = 0; iMapping < cMappings; iMapping++)
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| 292 | {
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| 293 | if (aMappings[iMapping].iSeg == NIL_RTDBGSEGIDX)
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| 294 | RTPrintf(" mapping #%u: %RTptr-%RTptr\n",
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| 295 | iMapping,
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| 296 | aMappings[iMapping].Address,
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| 297 | aMappings[iMapping].Address + RTDbgModImageSize(hDbgMod) - 1);
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| 298 | else
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| 299 | {
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| 300 | RTDBGSEGMENT SegInfo;
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| 301 | rc = RTDbgModSegmentByIndex(hDbgMod, aMappings[iMapping].iSeg, &SegInfo);
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| 302 | if (RT_SUCCESS(rc))
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| 303 | RTPrintf(" mapping #%u: %RTptr-%RTptr (segment #%u - '%s')",
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| 304 | iMapping,
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| 305 | aMappings[iMapping].Address,
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| 306 | aMappings[iMapping].Address + SegInfo.cb,
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| 307 | SegInfo.iSeg, SegInfo.szName);
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| 308 | else
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| 309 | RTPrintf(" mapping #%u: %RTptr-???????? (segment #%u)", iMapping, aMappings[iMapping].Address);
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| 310 | }
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| 311 |
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| 312 | if (cVerbosityLevel > 1)
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| 313 | {
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| 314 | uint32_t cSymbols = RTDbgModSymbolCount(hDbgMod);
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| 315 | RTPrintf(" %u symbols\n", cSymbols);
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| 316 | for (uint32_t iSymbol = 0; iSymbol < cSymbols; iSymbol++)
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| 317 | {
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| 318 | RTDBGSYMBOL SymInfo;
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| 319 | rc = RTDbgModSymbolByOrdinal(hDbgMod, iSymbol, &SymInfo);
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| 320 | if (RT_SUCCESS(rc))
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| 321 | RTPrintf(" #%04u at %08x:%RTptr %05llx %s\n",
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| 322 | SymInfo.iOrdinal, SymInfo.iSeg, SymInfo.offSeg,
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| 323 | (uint64_t)SymInfo.cb, SymInfo.szName);
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| 324 | }
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| 325 | }
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| 326 | }
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| 327 | }
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| 328 | else
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| 329 | RTMsgError("RTDbgAsModuleQueryMapByIndex failed: %Rrc", rc);
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| 330 | RTDbgModRelease(hDbgMod);
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| 331 | }
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| 332 | RTPrintf("*** End of Address Space Dump ***\n");
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| 333 | }
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| 334 |
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| 335 | /*
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| 336 | * Read text from standard input and see if there is anything we can translate.
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| 337 | */
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| 338 | for (;;)
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| 339 | {
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| 340 | /* Get a line. */
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| 341 | char szLine[_64K];
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| 342 | rc = RTStrmGetLine(pInput, szLine, sizeof(szLine));
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| 343 | if (rc == VERR_EOF)
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| 344 | break;
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| 345 | if (RT_FAILURE(rc))
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| 346 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTStrmGetLine() -> %Rrc\n", rc);
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| 347 |
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| 348 | /*
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| 349 | * Search the line for potential addresses and replace them with
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| 350 | * symbols+offset.
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| 351 | */
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| 352 | const char *pszStart = szLine;
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| 353 | const char *psz = szLine;
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| 354 | char ch;
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| 355 | while ((ch = *psz) != '\0')
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| 356 | {
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| 357 | size_t cchAddress;
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| 358 | uint64_t u64Address;
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| 359 |
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| 360 | if ( ( ch == '0'
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| 361 | && (psz[1] == 'x' || psz[1] == 'X')
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| 362 | && TryParseAddress(psz, &cchAddress, &u64Address))
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| 363 | || ( RT_C_IS_XDIGIT(ch)
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| 364 | && TryParseAddress(psz, &cchAddress, &u64Address))
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| 365 | )
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| 366 | {
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| 367 | /* Print. */
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| 368 | psz += cchAddress;
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| 369 | if (pszStart != psz)
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| 370 | RTStrmWrite(pOutput, pszStart, psz - pszStart);
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| 371 | pszStart = psz;
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| 372 |
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| 373 | /* Try get the module. */
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| 374 | RTUINTPTR uAddr;
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| 375 | RTDBGSEGIDX iSeg;
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| 376 | RTDBGMOD hDbgMod;
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| 377 | rc = RTDbgAsModuleByAddr(hDbgAs, u64Address, &hDbgMod, &uAddr, &iSeg);
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| 378 | if (RT_SUCCESS(rc))
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| 379 | {
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| 380 | if (iSeg != UINT32_MAX)
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| 381 | RTStrmPrintf(pOutput, "=[%s:%u", RTDbgModName(hDbgMod), iSeg);
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| 382 | else
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| 383 | RTStrmPrintf(pOutput, "=[%s", RTDbgModName(hDbgMod), iSeg);
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| 384 |
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| 385 | /*
|
|---|
| 386 | * Do we have symbols?
|
|---|
| 387 | */
|
|---|
| 388 | RTDBGSYMBOL Symbol;
|
|---|
| 389 | RTINTPTR offSym;
|
|---|
| 390 | rc = RTDbgAsSymbolByAddr(hDbgAs, u64Address, RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &offSym, &Symbol, NULL);
|
|---|
| 391 | if (RT_SUCCESS(rc))
|
|---|
| 392 | {
|
|---|
| 393 | if (!offSym)
|
|---|
| 394 | RTStrmPrintf(pOutput, "!%s", Symbol.szName);
|
|---|
| 395 | else if (offSym > 0)
|
|---|
| 396 | RTStrmPrintf(pOutput, "!%s+%#llx", Symbol.szName, offSym);
|
|---|
| 397 | else
|
|---|
| 398 | RTStrmPrintf(pOutput, "!%s-%#llx", Symbol.szName, -offSym);
|
|---|
| 399 | }
|
|---|
| 400 | else
|
|---|
| 401 | RTStrmPrintf(pOutput, "+%#llx", u64Address - uAddr);
|
|---|
| 402 |
|
|---|
| 403 | /*
|
|---|
| 404 | * Do we have line numbers?
|
|---|
| 405 | */
|
|---|
| 406 | RTDBGLINE Line;
|
|---|
| 407 | RTINTPTR offLine;
|
|---|
| 408 | rc = RTDbgAsLineByAddr(hDbgAs, u64Address, &offLine, &Line, NULL);
|
|---|
| 409 | if (RT_SUCCESS(rc))
|
|---|
| 410 | RTStrmPrintf(pOutput, " %Rbn(%u)", Line.szFilename, Line.uLineNo);
|
|---|
| 411 |
|
|---|
| 412 | RTStrmPrintf(pOutput, "]");
|
|---|
| 413 | RTDbgModRelease(hDbgMod);
|
|---|
| 414 | }
|
|---|
| 415 | }
|
|---|
| 416 | else
|
|---|
| 417 | psz++;
|
|---|
| 418 | }
|
|---|
| 419 |
|
|---|
| 420 | if (pszStart != psz)
|
|---|
| 421 | RTStrmWrite(pOutput, pszStart, psz - pszStart);
|
|---|
| 422 | RTStrmPutCh(pOutput, '\n');
|
|---|
| 423 |
|
|---|
| 424 | }
|
|---|
| 425 |
|
|---|
| 426 | return RTEXITCODE_SUCCESS;
|
|---|
| 427 | }
|
|---|
| 428 |
|
|---|
