Mercurial > hg > CbC > CbC_llvm

annotate lib/DebugInfo/DWARF/DWARFDebugMacro.cpp @ 147:c2174574ed3a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 10
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 16:55:33 +0900
parents 803732b1fca8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
121
803732b1fca8 LLVM 5.0
kono
parents: 120
diff changeset
1 //===- DWARFDebugMacro.cpp ------------------------------------------------===//
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
2 //
147
c2174574ed3a LLVM 10
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 121
diff changeset
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
c2174574ed3a LLVM 10
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 121
diff changeset
4 // See https://llvm.org/LICENSE.txt for license information.
c2174574ed3a LLVM 10
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 121
diff changeset
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
6 //
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
7 //===----------------------------------------------------------------------===//
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
8
120
1172e4bd9c6f update 4.0.0
mir3636
parents: 100
diff changeset
9 #include "llvm/DebugInfo/DWARF/DWARFDebugMacro.h"
121
803732b1fca8 LLVM 5.0
kono
parents: 120
diff changeset
10 #include "llvm/BinaryFormat/Dwarf.h"
147
c2174574ed3a LLVM 10
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 121
diff changeset
11 #include "llvm/Support/WithColor.h"
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 #include "llvm/Support/raw_ostream.h"
121
803732b1fca8 LLVM 5.0
kono
parents: 120
diff changeset
13 #include <cstdint>
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
14
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
15 using namespace llvm;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
16 using namespace dwarf;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
17
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
18 void DWARFDebugMacro::dump(raw_ostream &OS) const {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 unsigned IndLevel = 0;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
20 for (const Entry &E : Macros) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
21 // There should not be DW_MACINFO_end_file when IndLevel is Zero. However,
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
22 // this check handles the case of corrupted ".debug_macinfo" section.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
23 if (IndLevel > 0)
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
24 IndLevel -= (E.Type == DW_MACINFO_end_file);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
25 // Print indentation.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
26 for (unsigned I = 0; I < IndLevel; I++)
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
27 OS << " ";
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
28 IndLevel += (E.Type == DW_MACINFO_start_file);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
29
147
c2174574ed3a LLVM 10
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 121
diff changeset
30 WithColor(OS, HighlightColor::Macro).get() << MacinfoString(E.Type);
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
31 switch (E.Type) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
32 default:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
33 // Got a corrupted ".debug_macinfo" section (invalid macinfo type).
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
34 break;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
35 case DW_MACINFO_define:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
36 case DW_MACINFO_undef:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
37 OS << " - lineno: " << E.Line;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
38 OS << " macro: " << E.MacroStr;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
39 break;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
40 case DW_MACINFO_start_file:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
41 OS << " - lineno: " << E.Line;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
42 OS << " filenum: " << E.File;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
43 break;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
44 case DW_MACINFO_end_file:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
45 break;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
46 case DW_MACINFO_vendor_ext:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
47 OS << " - constant: " << E.ExtConstant;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
48 OS << " string: " << E.ExtStr;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
49 break;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
50 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
51 OS << "\n";
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
52 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
53 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
54
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
55 void DWARFDebugMacro::parse(DataExtractor data) {
147
c2174574ed3a LLVM 10
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 121
diff changeset
56 uint64_t Offset = 0;
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
57 while (data.isValidOffset(Offset)) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
58 // A macro list entry consists of:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
59 Entry E;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
60 // 1. Macinfo type
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
61 E.Type = data.getULEB128(&Offset);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
62
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
63 if (E.Type == 0) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
64 // Reached end of ".debug_macinfo" section.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
65 return;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
66 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
67
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
68 switch (E.Type) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
69 default:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
70 // Got a corrupted ".debug_macinfo" section (invalid macinfo type).
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
71 // Push the corrupted entry to the list and halt parsing.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
72 E.Type = DW_MACINFO_invalid;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
73 Macros.push_back(E);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
74 return;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
75 case DW_MACINFO_define:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
76 case DW_MACINFO_undef:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
77 // 2. Source line
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
78 E.Line = data.getULEB128(&Offset);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
79 // 3. Macro string
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
80 E.MacroStr = data.getCStr(&Offset);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
81 break;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
82 case DW_MACINFO_start_file:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
83 // 2. Source line
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
84 E.Line = data.getULEB128(&Offset);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
85 // 3. Source file id
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
86 E.File = data.getULEB128(&Offset);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
87 break;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
88 case DW_MACINFO_end_file:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
89 break;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
90 case DW_MACINFO_vendor_ext:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
91 // 2. Vendor extension constant
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
92 E.ExtConstant = data.getULEB128(&Offset);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
93 // 3. Vendor extension string
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
94 E.ExtStr = data.getCStr(&Offset);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
95 break;
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
96 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
97
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
98 Macros.push_back(E);
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
99 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
100 }