-
Notifications
You must be signed in to change notification settings - Fork 433
/
Backtrace.cpp
90 lines (80 loc) · 3.23 KB
/
Backtrace.cpp
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
/******************************************************************************
* Copyright (c) 2018, Hobu Inc. (info@hobu.co)
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
****************************************************************************/
#include <pdal/util/Backtrace.hpp>
#include "private/BacktraceImpl.hpp"
#include <vector>
#include <string>
#include <pdal/util/Utils.hpp>
namespace pdal
{
PDAL_DLL std::vector<std::string> Utils::backtrace()
{
std::vector<std::string> lines;
BacktraceEntries entries = backtraceImpl();
// Remove the frame for the unwinding itself.
if (entries.size())
entries.pop_front();
size_t maxLibnameLen(0);
for (auto& be : entries)
{
if (be.libname.empty())
be.libname = "???";
maxLibnameLen = std::max(maxLibnameLen, be.libname.size());
}
// Replace the simple symbol with a better representation if possible.
for (size_t i = 0; i < entries.size(); ++i)
{
BacktraceEntry& be = entries[i];
std::string line;
line = std::to_string(i);
line += std::string(4 - line.size(), ' ');
// Should the directory info be stripped from the libname?
line += be.libname;
line += std::string(maxLibnameLen + 2 - be.libname.size(), ' ');
if (be.symname.size())
line += demangle(be.symname);
else
{
std::ostringstream oss;
intptr_t ip(reinterpret_cast<intptr_t>(be.addr));
oss << "0x" << std::hex << std::setw(sizeof(ip) * 2) <<
std::setfill('0') << ip;
line += oss.str();
}
line += " + " + std::to_string(be.offset);
lines.push_back(line);
}
return lines;
}
} // namespace pdal