aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/utils/addr2name.cpp
blob: 5342705ae64b870d49df92d6bcaff6f709621599 (plain) (blame)
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
// Copyright (c) 2017 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "PDB repository" project.
// For details, see https://github.com/egor-tensin/pdb-repo.
// Distributed under the MIT License.

#include "command_line.hpp"
#include "pdb_descr.hpp"

#include "pdb/all.hpp"

#include <boost/program_options.hpp>

#include <exception>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>

namespace
{
    class Addr2Name : public SettingsParser
    {
    public:
        explicit Addr2Name(const std::string& argv0)
            : SettingsParser{argv0, build_options(), build_args()}
        { }

        bool exit_with_usage() const { return help_flag; }

        const char* get_short_description() const override
        {
            return "[-h|--help] [--pdb ADDR,PATH]... [--] [ADDR]...";
        }

        std::vector<PDB> pdbs;
        std::vector<pdb::Address> addresses;

    private:
        Options build_options()
        {
            namespace program_options = boost::program_options;
            Options descr{"options"};
            descr.add_options()
                ("help,h",
                    program_options::bool_switch(&help_flag),
                    "show this message and exit")
                ("pdb",
                    program_options::value<std::vector<PDB>>(&pdbs)
                        ->value_name("ADDR,PATH"),
                    "load a PDB file")
                ("address",
                    program_options::value<std::vector<pdb::Address>>(&addresses)
                        ->value_name("ADDR"),
                    "add an address to resolve");
            return descr;
        }

        static Arguments build_args()
        {
            Arguments descr;
            descr.add("address", -1);
            return descr;
        }

        bool help_flag = false;
    };

    std::string format_symbol(const pdb::Symbol& symbol)
    {
        std::ostringstream oss;
        oss << symbol.get_name();
        const auto displacement = symbol.get_displacement();
        if (displacement)
            oss << '+' << pdb::format_address(displacement);
        return oss.str();
    }

    void dump_error(const std::exception& e)
    {
        std::cerr << "error: " << e.what() << '\n';
    }

    void resolve_symbol(const pdb::Repo& repo, pdb::Address address)
    {
        try
        {
            std::cout << format_symbol(repo.resolve_symbol(address)) << '\n';
        }
        catch (const std::exception& e)
        {
            dump_error(e);
            std::cout << pdb::format_address(address) << '\n';
        }
    }
}

int main(int argc, char* argv[])
{
    try
    {
        const Addr2Name settings{argv[0]};

        try
        {
            settings.parse(argc, argv);
        }
        catch (const boost::program_options::error& e)
        {
            settings.usage_error(e);
            return 1;
        }

        if (settings.exit_with_usage())
        {
            settings.usage();
            return 0;
        }

        pdb::Repo repo;

        for (const auto& pdb : settings.pdbs)
            repo.add_pdb(pdb.online_base, pdb.path);

        for (const auto& address : settings.addresses)
            resolve_symbol(repo, address);
    }
    catch (const std::exception& e)
    {
        dump_error(e);
        return 1;
    }
    return 0;
}