* arm.cc (has_signed_unsigned_overflow): New function.
[deliverable/binutils-gdb.git] / gold / debug.h
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1// debug.h -- gold internal debugging support -*- C++ -*-
2
ebdbb458 3// Copyright 2007, 2008 Free Software Foundation, Inc.
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4// Written by Ian Lance Taylor <iant@google.com>.
5
6// This file is part of gold.
7
8// This program is free software; you can redistribute it and/or modify
9// it under the terms of the GNU General Public License as published by
10// the Free Software Foundation; either version 3 of the License, or
11// (at your option) any later version.
12
13// This program is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16// GNU General Public License for more details.
17
18// You should have received a copy of the GNU General Public License
19// along with this program; if not, write to the Free Software
20// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21// MA 02110-1301, USA.
22
23#ifndef GOLD_DEBUG_H
24#define GOLD_DEBUG_H
25
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26#include <cstring>
27
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28#include "parameters.h"
29#include "errors.h"
30
31namespace gold
32{
33
34// The different types of debugging we support. These are bitflags.
35
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36const int DEBUG_TASK = 0x1;
37const int DEBUG_SCRIPT = 0x2;
38const int DEBUG_FILES = 0x4;
c7912668 39
2285a610 40const int DEBUG_ALL = DEBUG_TASK | DEBUG_SCRIPT | DEBUG_FILES;
c7912668 41
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42// Convert a debug string to the appropriate enum.
43inline int
44debug_string_to_enum(const char* arg)
45{
46 static const struct { const char* name; int value; }
47 debug_options[] =
48 {
49 { "task", DEBUG_TASK },
50 { "script", DEBUG_SCRIPT },
2285a610 51 { "files", DEBUG_FILES },
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52 { "all", DEBUG_ALL }
53 };
54
55 int retval = 0;
56 for (size_t i = 0; i < sizeof(debug_options) / sizeof(*debug_options); ++i)
57 if (strstr(arg, debug_options[i].name))
58 retval |= debug_options[i].value;
59 return retval;
60}
61
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62// Print a debug message if TYPE is enabled. This is a macro so that
63// we only evaluate the arguments if necessary.
64
65#define gold_debug(TYPE, FORMAT, ...) \
66 do \
67 { \
68 if (is_debugging_enabled(TYPE)) \
69 parameters->errors()->debug(FORMAT, __VA_ARGS__); \
70 } \
71 while (0)
72
73} // End namespace gold.
74
75#endif // !defined(GOLD_DEBUG_H)
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