summaryrefslogtreecommitdiff
path: root/src/libs/qtcreatorcdbext/common.cpp
blob: dae8afd6af83986625d0d72c87bf996088c56c5f (plain)
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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#include "common.h"
#include "iinterfacepointer.h"
#include <sstream>

std::string winErrorMessage(unsigned long error)
{
    char *lpMsgBuf;
    const int len = FormatMessageA(
            FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
            NULL, error, 0, (LPSTR)&lpMsgBuf, 0, NULL);
    if (len) {
        const std::string rc(lpMsgBuf, len);
        LocalFree(lpMsgBuf);
        return rc;
    }
    std::ostringstream str;
    str << "Unknown error " << error;
    return str.str();
}

std::string winErrorMessage()
{
    return winErrorMessage(GetLastError());
}

std::string msgDebugEngineComResult(HRESULT hr)
{
    switch (hr) {
    case S_OK:
        return std::string("S_OK");
    case S_FALSE:
        return std::string("S_FALSE");
    case E_FAIL:
        break;
    case E_INVALIDARG:
        return std::string("E_INVALIDARG");
    case E_NOINTERFACE:
        return std::string("E_NOINTERFACE");
    case E_OUTOFMEMORY:
        return std::string("E_OUTOFMEMORY");
    case E_UNEXPECTED:
        return std::string("E_UNEXPECTED");
    case E_NOTIMPL:
        return std::string("E_NOTIMPL");
    }
    if (hr == HRESULT_FROM_WIN32(ERROR_ACCESS_DENIED))
        return std::string("ERROR_ACCESS_DENIED");
    if (hr == HRESULT_FROM_NT(STATUS_CONTROL_C_EXIT))
        return std::string("STATUS_CONTROL_C_EXIT");
    return std::string("E_FAIL ") + winErrorMessage(HRESULT_CODE(hr));
}

std::string msgDebugEngineComFailed(const char *func, HRESULT hr)
{
    std::string rc = func;
    rc += " failed: ";
    rc += msgDebugEngineComResult(hr);
    return rc;
}

ULONG currentThreadId(IDebugSystemObjects *sysObjects)
{
    ULONG id = 0;
    if (sysObjects->GetCurrentThreadId(&id) == S_OK)
        return id;
    return 0;
}

ULONG currentThreadId(CIDebugClient *client)
{
    IInterfacePointer<IDebugSystemObjects> sysObjects(client);
    if (sysObjects)
        return currentThreadId(sysObjects.data());
    return 0;
}

ULONG currentProcessId(IDebugSystemObjects *sysObjects)
{
    ULONG64 handle = 0;
    if (sysObjects->GetCurrentProcessHandle(&handle) == S_OK)
        return GetProcessId((HANDLE)handle);
    return 0;
}

ULONG currentProcessId(CIDebugClient *client)
{
    IInterfacePointer<IDebugSystemObjects> sysObjects(client);
    if (sysObjects)
        return currentProcessId(sysObjects.data());
    return 0;
}

std::string moduleNameByOffset(CIDebugSymbols *symbols, ULONG64 offset)
{
    enum { BufSize = 512 };
    ULONG index = 0;
    ULONG64 base = 0;
    // Convert module base address to module index
    HRESULT hr = symbols->GetModuleByOffset(offset, 0, &index, &base);
    if (FAILED(hr))
        return std::string();
    // Obtain module name
    char buf[BufSize];
    buf[0] = '\0';
    hr = symbols->GetModuleNameString(DEBUG_MODNAME_MODULE, index, base, buf, BufSize, 0);
    if (FAILED(hr))
        return std::string();
    return std::string(buf);
}

std::string sourceFileNameByOffset(CIDebugSymbols *symbols, ULONG64 offset, PULONG lineNumber)
{
    enum { BufSize = 512 };
    char buf[BufSize];
    buf[0] = '\0';
    HRESULT hr = symbols->GetLineByOffset(offset, lineNumber, buf, BufSize, NULL, NULL);
    if (FAILED(hr))
        return std::string();
    return std::string(buf);
}