mirror of
https://github.com/RGBCube/serenity
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Libraries: Move to Userland/Libraries/
This commit is contained in:
parent
dc28c07fa5
commit
13d7c09125
1857 changed files with 266 additions and 274 deletions
88
Userland/Libraries/LibDebug/Dwarf/AbbreviationsMap.cpp
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88
Userland/Libraries/LibDebug/Dwarf/AbbreviationsMap.cpp
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@ -0,0 +1,88 @@
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/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER OR CONTRIBUTORS BE LIABLE
|
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "AbbreviationsMap.h"
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#include "DwarfInfo.h"
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#include <AK/MemoryStream.h>
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namespace Debug::Dwarf {
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AbbreviationsMap::AbbreviationsMap(const DwarfInfo& dwarf_info, u32 offset)
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: m_dwarf_info(dwarf_info)
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, m_offset(offset)
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{
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populate_map();
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}
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void AbbreviationsMap::populate_map()
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{
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InputMemoryStream abbreviation_stream(m_dwarf_info.abbreviation_data());
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abbreviation_stream.discard_or_error(m_offset);
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while (!abbreviation_stream.eof()) {
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size_t abbreviation_code = 0;
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abbreviation_stream.read_LEB128_unsigned(abbreviation_code);
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// An abbreviation code of 0 marks the end of the
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// abbreviations for a given compilation unit
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if (abbreviation_code == 0)
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break;
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size_t tag {};
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abbreviation_stream.read_LEB128_unsigned(tag);
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u8 has_children = 0;
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abbreviation_stream >> has_children;
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AbbreviationEntry abbrevation_entry {};
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abbrevation_entry.tag = static_cast<EntryTag>(tag);
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abbrevation_entry.has_children = (has_children == 1);
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AttributeSpecification current_attribute_specification {};
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do {
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size_t attribute_value = 0;
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size_t form_value = 0;
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abbreviation_stream.read_LEB128_unsigned(attribute_value);
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abbreviation_stream.read_LEB128_unsigned(form_value);
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current_attribute_specification.attribute = static_cast<Attribute>(attribute_value);
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current_attribute_specification.form = static_cast<AttributeDataForm>(form_value);
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if (current_attribute_specification.attribute != Attribute::None) {
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abbrevation_entry.attribute_specifications.append(current_attribute_specification);
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}
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} while (current_attribute_specification.attribute != Attribute::None || current_attribute_specification.form != AttributeDataForm::None);
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m_entries.set((u32)abbreviation_code, move(abbrevation_entry));
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}
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}
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Optional<AbbreviationsMap::AbbreviationEntry> AbbreviationsMap::get(u32 code) const
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{
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return m_entries.get(code);
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}
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}
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60
Userland/Libraries/LibDebug/Dwarf/AbbreviationsMap.h
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60
Userland/Libraries/LibDebug/Dwarf/AbbreviationsMap.h
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@ -0,0 +1,60 @@
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/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
|
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
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* 2. 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.
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*
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||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
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* 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 HOLDER OR CONTRIBUTORS BE LIABLE
|
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "DwarfTypes.h"
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#include <AK/HashMap.h>
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#include <AK/Optional.h>
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#include <AK/Types.h>
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namespace Debug::Dwarf {
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class DwarfInfo;
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class AbbreviationsMap {
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public:
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AbbreviationsMap(const DwarfInfo& dwarf_info, u32 offset);
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struct AbbreviationEntry {
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EntryTag tag;
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bool has_children;
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Vector<AttributeSpecification> attribute_specifications;
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};
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Optional<AbbreviationEntry> get(u32 code) const;
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private:
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void populate_map();
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const DwarfInfo& m_dwarf_info;
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u32 m_offset { 0 };
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HashMap<u32, AbbreviationEntry> m_entries;
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};
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}
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44
Userland/Libraries/LibDebug/Dwarf/CompilationUnit.cpp
Normal file
44
Userland/Libraries/LibDebug/Dwarf/CompilationUnit.cpp
Normal file
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@ -0,0 +1,44 @@
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/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
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* 2. 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.
|
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*
|
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
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* 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 HOLDER OR CONTRIBUTORS BE LIABLE
|
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "CompilationUnit.h"
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#include "DIE.h"
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namespace Debug::Dwarf {
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CompilationUnit::CompilationUnit(const DwarfInfo& dwarf_info, u32 offset, const CompilationUnitHeader& header)
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: m_dwarf_info(dwarf_info)
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, m_offset(offset)
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, m_header(header)
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, m_abbreviations(dwarf_info, header.abbrev_offset)
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{
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}
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DIE CompilationUnit::root_die() const
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{
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return DIE(*this, m_offset + sizeof(CompilationUnitHeader));
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}
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}
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56
Userland/Libraries/LibDebug/Dwarf/CompilationUnit.h
Normal file
56
Userland/Libraries/LibDebug/Dwarf/CompilationUnit.h
Normal file
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@ -0,0 +1,56 @@
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/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
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*
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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||||
* 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 HOLDER OR CONTRIBUTORS BE LIABLE
|
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "AbbreviationsMap.h"
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#include <AK/Types.h>
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namespace Debug::Dwarf {
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class DwarfInfo;
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class DIE;
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class CompilationUnit {
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public:
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CompilationUnit(const DwarfInfo& dwarf_info, u32 offset, const CompilationUnitHeader&);
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u32 offset() const { return m_offset; }
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u32 size() const { return m_header.length + sizeof(u32); }
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DIE root_die() const;
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const DwarfInfo& dwarf_info() const { return m_dwarf_info; }
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const AbbreviationsMap& abbreviations_map() const { return m_abbreviations; }
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private:
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const DwarfInfo& m_dwarf_info;
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u32 m_offset { 0 };
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CompilationUnitHeader m_header;
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AbbreviationsMap m_abbreviations;
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};
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}
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244
Userland/Libraries/LibDebug/Dwarf/DIE.cpp
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244
Userland/Libraries/LibDebug/Dwarf/DIE.cpp
Normal file
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@ -0,0 +1,244 @@
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/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER 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.
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*/
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#include "DIE.h"
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#include "CompilationUnit.h"
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#include "DwarfInfo.h"
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#include <AK/ByteBuffer.h>
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#include <AK/MemoryStream.h>
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namespace Debug::Dwarf {
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DIE::DIE(const CompilationUnit& unit, u32 offset)
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: m_compilation_unit(unit)
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, m_offset(offset)
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{
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InputMemoryStream stream(m_compilation_unit.dwarf_info().debug_info_data());
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stream.discard_or_error(m_offset);
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stream.read_LEB128_unsigned(m_abbreviation_code);
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m_data_offset = stream.offset();
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if (m_abbreviation_code == 0) {
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// An abbreviation code of 0 ( = null DIE entry) means the end of a chain of siblings
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m_tag = EntryTag::None;
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} else {
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auto abbreviation_info = m_compilation_unit.abbreviations_map().get(m_abbreviation_code);
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ASSERT(abbreviation_info.has_value());
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m_tag = abbreviation_info.value().tag;
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m_has_children = abbreviation_info.value().has_children;
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// We iterate the attributes data only to calculate this DIE's size
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for (auto& attribute_spec : abbreviation_info.value().attribute_specifications) {
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get_attribute_value(attribute_spec.form, stream);
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}
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}
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m_size = stream.offset() - m_offset;
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}
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DIE::AttributeValue DIE::get_attribute_value(AttributeDataForm form,
|
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InputMemoryStream& debug_info_stream) const
|
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{
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AttributeValue value;
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auto assign_raw_bytes_value = [&](size_t length) {
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value.data.as_raw_bytes.length = length;
|
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value.data.as_raw_bytes.bytes = reinterpret_cast<const u8*>(m_compilation_unit.dwarf_info().debug_info_data().data()
|
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+ debug_info_stream.offset());
|
||||
|
||||
debug_info_stream.discard_or_error(length);
|
||||
};
|
||||
|
||||
switch (form) {
|
||||
case AttributeDataForm::StringPointer: {
|
||||
u32 offset;
|
||||
debug_info_stream >> offset;
|
||||
value.type = AttributeValue::Type::String;
|
||||
|
||||
auto strings_data = m_compilation_unit.dwarf_info().debug_strings_data();
|
||||
value.data.as_string = reinterpret_cast<const char*>(strings_data.data() + offset);
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::Data1: {
|
||||
u8 data;
|
||||
debug_info_stream >> data;
|
||||
value.type = AttributeValue::Type::UnsignedNumber;
|
||||
value.data.as_u32 = data;
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::Data2: {
|
||||
u16 data;
|
||||
debug_info_stream >> data;
|
||||
value.type = AttributeValue::Type::UnsignedNumber;
|
||||
value.data.as_u32 = data;
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::Addr: {
|
||||
u32 address;
|
||||
debug_info_stream >> address;
|
||||
value.type = AttributeValue::Type::UnsignedNumber;
|
||||
value.data.as_u32 = address;
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::SData: {
|
||||
ssize_t data;
|
||||
debug_info_stream.read_LEB128_signed(data);
|
||||
value.type = AttributeValue::Type::SignedNumber;
|
||||
value.data.as_i32 = data;
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::SecOffset: {
|
||||
u32 data;
|
||||
debug_info_stream >> data;
|
||||
value.type = AttributeValue::Type::SecOffset;
|
||||
value.data.as_u32 = data;
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::Data4: {
|
||||
u32 data;
|
||||
debug_info_stream >> data;
|
||||
value.type = AttributeValue::Type::UnsignedNumber;
|
||||
value.data.as_u32 = data;
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::Ref4: {
|
||||
u32 data;
|
||||
debug_info_stream >> data;
|
||||
value.type = AttributeValue::Type::DieReference;
|
||||
value.data.as_u32 = data + m_compilation_unit.offset();
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::FlagPresent: {
|
||||
value.type = AttributeValue::Type::Boolean;
|
||||
value.data.as_bool = true;
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::ExprLoc: {
|
||||
size_t length;
|
||||
debug_info_stream.read_LEB128_unsigned(length);
|
||||
value.type = AttributeValue::Type::DwarfExpression;
|
||||
assign_raw_bytes_value(length);
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::String: {
|
||||
String str;
|
||||
u32 str_offset = debug_info_stream.offset();
|
||||
debug_info_stream >> str;
|
||||
value.type = AttributeValue::Type::String;
|
||||
value.data.as_string = reinterpret_cast<const char*>(str_offset + m_compilation_unit.dwarf_info().debug_info_data().data());
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::Block1: {
|
||||
value.type = AttributeValue::Type::RawBytes;
|
||||
u8 length;
|
||||
debug_info_stream >> length;
|
||||
assign_raw_bytes_value(length);
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::Block2: {
|
||||
value.type = AttributeValue::Type::RawBytes;
|
||||
u16 length;
|
||||
debug_info_stream >> length;
|
||||
assign_raw_bytes_value(length);
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::Block4: {
|
||||
value.type = AttributeValue::Type::RawBytes;
|
||||
u32 length;
|
||||
debug_info_stream >> length;
|
||||
assign_raw_bytes_value(length);
|
||||
break;
|
||||
}
|
||||
case AttributeDataForm::Block: {
|
||||
value.type = AttributeValue::Type::RawBytes;
|
||||
size_t length;
|
||||
debug_info_stream.read_LEB128_unsigned(length);
|
||||
assign_raw_bytes_value(length);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
dbgln("Unimplemented AttributeDataForm: {}", (u32)form);
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
return value;
|
||||
}
|
||||
|
||||
Optional<DIE::AttributeValue> DIE::get_attribute(const Attribute& attribute) const
|
||||
{
|
||||
InputMemoryStream stream { m_compilation_unit.dwarf_info().debug_info_data() };
|
||||
stream.discard_or_error(m_data_offset);
|
||||
|
||||
auto abbreviation_info = m_compilation_unit.abbreviations_map().get(m_abbreviation_code);
|
||||
ASSERT(abbreviation_info.has_value());
|
||||
|
||||
for (const auto& attribute_spec : abbreviation_info.value().attribute_specifications) {
|
||||
auto value = get_attribute_value(attribute_spec.form, stream);
|
||||
if (attribute_spec.attribute == attribute) {
|
||||
return value;
|
||||
}
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
void DIE::for_each_child(Function<void(const DIE& child)> callback) const
|
||||
{
|
||||
if (!m_has_children)
|
||||
return;
|
||||
|
||||
NonnullOwnPtr<DIE> current_child = make<DIE>(m_compilation_unit, m_offset + m_size);
|
||||
while (true) {
|
||||
callback(*current_child);
|
||||
if (current_child->is_null())
|
||||
break;
|
||||
if (!current_child->has_children()) {
|
||||
current_child = make<DIE>(m_compilation_unit, current_child->offset() + current_child->size());
|
||||
continue;
|
||||
}
|
||||
|
||||
auto sibling = current_child->get_attribute(Attribute::Sibling);
|
||||
u32 sibling_offset = 0;
|
||||
if (sibling.has_value()) {
|
||||
sibling_offset = sibling.value().data.as_u32;
|
||||
}
|
||||
|
||||
if (!sibling.has_value()) {
|
||||
// NOTE: According to the spec, the compiler doesn't have to supply the sibling information.
|
||||
// When it doesn't, we have to recursively iterate the current child's children to find where they end
|
||||
current_child->for_each_child([&](const DIE& sub_child) {
|
||||
sibling_offset = sub_child.offset() + sub_child.size();
|
||||
});
|
||||
}
|
||||
current_child = make<DIE>(m_compilation_unit, sibling_offset);
|
||||
}
|
||||
}
|
||||
|
||||
DIE DIE::get_die_at_offset(u32 offset) const
|
||||
{
|
||||
ASSERT(offset >= m_compilation_unit.offset() && offset < m_compilation_unit.offset() + m_compilation_unit.size());
|
||||
return DIE(m_compilation_unit, offset);
|
||||
}
|
||||
|
||||
}
|
95
Userland/Libraries/LibDebug/Dwarf/DIE.h
Normal file
95
Userland/Libraries/LibDebug/Dwarf/DIE.h
Normal file
|
@ -0,0 +1,95 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER 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.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "CompilationUnit.h"
|
||||
#include "DwarfTypes.h"
|
||||
#include <AK/Function.h>
|
||||
#include <AK/NonnullOwnPtr.h>
|
||||
#include <AK/Optional.h>
|
||||
#include <AK/Types.h>
|
||||
|
||||
namespace Debug::Dwarf {
|
||||
|
||||
class CompilationUnit;
|
||||
|
||||
// DIE = Debugging Information Entry
|
||||
class DIE {
|
||||
public:
|
||||
DIE(const CompilationUnit&, u32 offset);
|
||||
|
||||
struct AttributeValue {
|
||||
enum class Type : u8 {
|
||||
UnsignedNumber,
|
||||
SignedNumber,
|
||||
String,
|
||||
DieReference, // Reference to another DIE in the same compilation unit
|
||||
Boolean,
|
||||
DwarfExpression,
|
||||
SecOffset,
|
||||
RawBytes,
|
||||
} type;
|
||||
|
||||
union {
|
||||
u32 as_u32;
|
||||
i32 as_i32;
|
||||
const char* as_string; // points to bytes in the memory mapped elf image
|
||||
bool as_bool;
|
||||
struct {
|
||||
u32 length;
|
||||
const u8* bytes; // points to bytes in the memory mapped elf image
|
||||
} as_raw_bytes;
|
||||
} data {};
|
||||
};
|
||||
|
||||
u32 offset() const { return m_offset; }
|
||||
u32 size() const { return m_size; }
|
||||
bool has_children() const { return m_has_children; }
|
||||
EntryTag tag() const { return m_tag; }
|
||||
|
||||
Optional<AttributeValue> get_attribute(const Attribute&) const;
|
||||
|
||||
void for_each_child(Function<void(const DIE& child)> callback) const;
|
||||
|
||||
bool is_null() const { return m_tag == EntryTag::None; }
|
||||
|
||||
DIE get_die_at_offset(u32 offset) const;
|
||||
|
||||
private:
|
||||
AttributeValue get_attribute_value(AttributeDataForm form,
|
||||
InputMemoryStream& debug_info_stream) const;
|
||||
|
||||
const CompilationUnit& m_compilation_unit;
|
||||
u32 m_offset { 0 };
|
||||
u32 m_data_offset { 0 };
|
||||
size_t m_abbreviation_code { 0 };
|
||||
EntryTag m_tag { EntryTag::None };
|
||||
bool m_has_children { false };
|
||||
u32 m_size { 0 };
|
||||
};
|
||||
|
||||
}
|
71
Userland/Libraries/LibDebug/Dwarf/DwarfInfo.cpp
Normal file
71
Userland/Libraries/LibDebug/Dwarf/DwarfInfo.cpp
Normal file
|
@ -0,0 +1,71 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER 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 "DwarfInfo.h"
|
||||
|
||||
#include <AK/MemoryStream.h>
|
||||
|
||||
namespace Debug::Dwarf {
|
||||
|
||||
DwarfInfo::DwarfInfo(const ELF::Image& elf)
|
||||
: m_elf(elf)
|
||||
{
|
||||
m_debug_info_data = section_data(".debug_info");
|
||||
m_abbreviation_data = section_data(".debug_abbrev");
|
||||
m_debug_strings_data = section_data(".debug_str");
|
||||
|
||||
populate_compilation_units();
|
||||
}
|
||||
|
||||
ReadonlyBytes DwarfInfo::section_data(const String& section_name) const
|
||||
{
|
||||
auto section = m_elf.lookup_section(section_name);
|
||||
if (section.is_undefined())
|
||||
return {};
|
||||
return section.bytes();
|
||||
}
|
||||
|
||||
void DwarfInfo::populate_compilation_units()
|
||||
{
|
||||
if (!m_debug_info_data.data())
|
||||
return;
|
||||
|
||||
InputMemoryStream stream { m_debug_info_data };
|
||||
while (!stream.eof()) {
|
||||
auto unit_offset = stream.offset();
|
||||
CompilationUnitHeader compilation_unit_header {};
|
||||
|
||||
stream >> Bytes { &compilation_unit_header, sizeof(compilation_unit_header) };
|
||||
ASSERT(compilation_unit_header.address_size == sizeof(u32));
|
||||
ASSERT(compilation_unit_header.version <= 4);
|
||||
|
||||
u32 length_after_header = compilation_unit_header.length - (sizeof(CompilationUnitHeader) - offsetof(CompilationUnitHeader, version));
|
||||
m_compilation_units.empend(*this, unit_offset, compilation_unit_header);
|
||||
stream.discard_or_error(length_after_header);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
71
Userland/Libraries/LibDebug/Dwarf/DwarfInfo.h
Normal file
71
Userland/Libraries/LibDebug/Dwarf/DwarfInfo.h
Normal file
|
@ -0,0 +1,71 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER 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.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "CompilationUnit.h"
|
||||
#include "DwarfTypes.h"
|
||||
#include <AK/ByteBuffer.h>
|
||||
#include <AK/NonnullRefPtr.h>
|
||||
#include <AK/RefCounted.h>
|
||||
#include <AK/String.h>
|
||||
#include <LibELF/Image.h>
|
||||
|
||||
namespace Debug::Dwarf {
|
||||
|
||||
class DwarfInfo {
|
||||
public:
|
||||
explicit DwarfInfo(const ELF::Image&);
|
||||
|
||||
ReadonlyBytes debug_info_data() const { return m_debug_info_data; }
|
||||
ReadonlyBytes abbreviation_data() const { return m_abbreviation_data; }
|
||||
ReadonlyBytes debug_strings_data() const { return m_debug_strings_data; }
|
||||
|
||||
template<typename Callback>
|
||||
void for_each_compilation_unit(Callback) const;
|
||||
|
||||
private:
|
||||
void populate_compilation_units();
|
||||
|
||||
ReadonlyBytes section_data(const String& section_name) const;
|
||||
|
||||
const ELF::Image& m_elf;
|
||||
ReadonlyBytes m_debug_info_data;
|
||||
ReadonlyBytes m_abbreviation_data;
|
||||
ReadonlyBytes m_debug_strings_data;
|
||||
|
||||
Vector<Dwarf::CompilationUnit> m_compilation_units;
|
||||
};
|
||||
|
||||
template<typename Callback>
|
||||
void DwarfInfo::for_each_compilation_unit(Callback callback) const
|
||||
{
|
||||
for (const auto& unit : m_compilation_units) {
|
||||
callback(unit);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
294
Userland/Libraries/LibDebug/Dwarf/DwarfTypes.h
Normal file
294
Userland/Libraries/LibDebug/Dwarf/DwarfTypes.h
Normal file
|
@ -0,0 +1,294 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER 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.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <AK/Types.h>
|
||||
|
||||
namespace Debug::Dwarf {
|
||||
|
||||
struct [[gnu::packed]] CompilationUnitHeader {
|
||||
u32 length;
|
||||
u16 version;
|
||||
u32 abbrev_offset;
|
||||
u8 address_size;
|
||||
};
|
||||
|
||||
enum class EntryTag : u16 {
|
||||
None = 0,
|
||||
ArrayType = 0x1,
|
||||
ClassType = 0x2,
|
||||
EntryPoint = 0x3,
|
||||
EnumerationType = 0x4,
|
||||
FormalParameter = 0x5,
|
||||
ImportedDeclaration = 0x8,
|
||||
Label = 0xa,
|
||||
LexicalBlock = 0xb,
|
||||
Member = 0xd,
|
||||
PointerType = 0xf,
|
||||
ReferenceType = 0x10,
|
||||
CompileUnit = 0x11,
|
||||
StringType = 0x12,
|
||||
StructureType = 0x13,
|
||||
SubroutineType = 0x15,
|
||||
TypeDef = 0x16,
|
||||
UnionType = 0x17,
|
||||
UnspecifiedParameters = 0x18,
|
||||
Variant = 0x19,
|
||||
CommonBlock = 0x1a,
|
||||
CommonInclusion = 0x1b,
|
||||
Inheritance = 0x1c,
|
||||
InlinedSubroutine = 0x1d,
|
||||
Module = 0x1e,
|
||||
PtrToMemberType = 0x1f,
|
||||
SetType = 0x20,
|
||||
SubRangeType = 0x21,
|
||||
WithStmt = 0x22,
|
||||
AccessDeclaration = 0x23,
|
||||
BaseType = 0x24,
|
||||
CatchBlock = 0x25,
|
||||
ConstType = 0x26,
|
||||
Constant = 0x27,
|
||||
Enumerator = 0x28,
|
||||
FileType = 0x29,
|
||||
Friend = 0x2a,
|
||||
NameList = 0x2b,
|
||||
NameListItem = 0x2c,
|
||||
PackedType = 0x2d,
|
||||
SubProgram = 0x2e,
|
||||
TemplateTypeParam = 0x2f,
|
||||
TemplateValueParam = 0x30,
|
||||
ThrownType = 0x31,
|
||||
TryBlock = 0x32,
|
||||
VariantPart = 0x33,
|
||||
Variable = 0x34,
|
||||
VolatileType = 0x35,
|
||||
DwarfProcedure = 0x36,
|
||||
RestrictType = 0x37,
|
||||
InterfaceType = 0x38,
|
||||
Namespace = 0x39,
|
||||
ImportedModule = 0x3a,
|
||||
UnspecifiedType = 0x3b,
|
||||
PartialUnit = 0x3c,
|
||||
ImportedUnit = 0x3d,
|
||||
MutableType = 0x3e,
|
||||
Condition = 0x3f,
|
||||
SharedTyped = 0x40,
|
||||
TypeUnit = 0x41,
|
||||
RValueReferenceType = 0x42,
|
||||
TemplateAlias = 0x43,
|
||||
CoArrayType = 0x44,
|
||||
GenericSubRange = 0x45,
|
||||
DynamicType = 0x46,
|
||||
AtomicType = 0x47,
|
||||
CallSite = 0x48,
|
||||
CallSiteParameter = 0x49,
|
||||
SkeletonUnit = 0x4a,
|
||||
ImmutableType = 0x4b,
|
||||
LoUser = 0x4080,
|
||||
HiUser = 0xffff,
|
||||
};
|
||||
|
||||
enum class Attribute : u16 {
|
||||
None = 0,
|
||||
Sibling = 0x1,
|
||||
Location = 0x2,
|
||||
Name = 0x3,
|
||||
Ordering = 0x9,
|
||||
ByteSize = 0xb,
|
||||
BitOffset = 0xc,
|
||||
BitSize = 0xd,
|
||||
StmtList = 0x10,
|
||||
LowPc = 0x11,
|
||||
HighPc = 0x12,
|
||||
Language = 0x13,
|
||||
Discr = 0x15,
|
||||
DiscrValue = 0x16,
|
||||
Visibility = 0x17,
|
||||
Import = 0x18,
|
||||
StringLength = 0x19,
|
||||
CommonReference = 0x1a,
|
||||
CompDir = 0x1b,
|
||||
ConstValue = 0x1c,
|
||||
ContainingType = 0x1d,
|
||||
DefaultValue = 0x1e,
|
||||
Inline = 0x20,
|
||||
IsOptional = 0x21,
|
||||
LowerBound = 0x22,
|
||||
Producer = 0x25,
|
||||
Prototyped = 0x27,
|
||||
ReturnAddr = 0x2a,
|
||||
StartScope = 0x2c,
|
||||
BitStride = 0x2e,
|
||||
UpperBound = 0x2f,
|
||||
AbstractOrigin = 0x31,
|
||||
Accessibility = 0x32,
|
||||
AddressClass = 0x33,
|
||||
Artificial = 0x34,
|
||||
BaseTypes = 0x35,
|
||||
CallingConvention = 0x36,
|
||||
Count = 0x37,
|
||||
MemberLocation = 0x38,
|
||||
DeclColumn = 0x39,
|
||||
DeclFile = 0x3a,
|
||||
DeclLine = 0x3b,
|
||||
Declaration = 0x3c,
|
||||
DiscrList = 0x3d,
|
||||
Encoding = 0x3e,
|
||||
External = 0x3f,
|
||||
FrameBase = 0x40,
|
||||
Friend = 0x41,
|
||||
IdentifierCase = 0x43,
|
||||
MacroInfo = 0x43,
|
||||
NameListItem = 0x44,
|
||||
Priority = 0x45,
|
||||
Segment = 0x46,
|
||||
Specification = 0x47,
|
||||
StaticLink = 0x48,
|
||||
Type = 0x49,
|
||||
UseLocation = 0x4a,
|
||||
VariableParameter = 0x4b,
|
||||
Virtuality = 0x4c,
|
||||
VtableElemLocation = 0x4d,
|
||||
Allocated = 0x4e,
|
||||
Associated = 0x4f,
|
||||
DataLocation = 0x50,
|
||||
ByteStride = 0x51,
|
||||
EntryPC = 0x52,
|
||||
UseUTF8 = 0x53,
|
||||
Extension = 0x54,
|
||||
Ranges = 0x55,
|
||||
Trampoline = 0x56,
|
||||
CallColumn = 0x57,
|
||||
CallFile = 0x58,
|
||||
CallLine = 0x59,
|
||||
Description = 0x5a,
|
||||
BinaryScale = 0x5b,
|
||||
DecimalScale = 0x5c,
|
||||
Small = 0x5d,
|
||||
DecimalSign = 0x5e,
|
||||
DigitCount = 0x5f,
|
||||
PictureString = 0x60,
|
||||
Mutable = 0x61,
|
||||
ThreadsScaled = 0x62,
|
||||
Explicit = 0x63,
|
||||
ObjectPointer = 0x64,
|
||||
Endianity = 0x65,
|
||||
Elemental = 0x66,
|
||||
Pure = 0x67,
|
||||
Recursive = 0x68,
|
||||
Signature = 0x69,
|
||||
MainSubprogram = 0x6a,
|
||||
DataBitOffset = 0x6b,
|
||||
ConstExpr = 0x6c,
|
||||
EnumClass = 0x6d,
|
||||
LinkageName = 0x6e,
|
||||
StringLengthBitSize = 0x6f,
|
||||
StringLengthByteSize = 0x70,
|
||||
Rank = 0x71,
|
||||
StrOffsetsBase = 0x72,
|
||||
AddrBase = 0x73,
|
||||
RngListsBase = 0x74,
|
||||
DWOName = 0x76,
|
||||
Reference = 0x77,
|
||||
RValueReference = 0x78,
|
||||
Macros = 0x79,
|
||||
CallAllCalls = 0x7a,
|
||||
CallAllSourceCalls = 0x7b,
|
||||
CallAllTailCalls = 0x7c,
|
||||
CallReturnPC = 0x7d,
|
||||
CallValue = 0x7e,
|
||||
CallOrigin = 0x7f,
|
||||
CallParameter = 0x80,
|
||||
CallPC = 0x81,
|
||||
CallTailCall = 0x82,
|
||||
CallTarget = 0x83,
|
||||
CallTargetClobbered = 0x84,
|
||||
CallDataLocation = 0x85,
|
||||
CallDataValue = 0x86,
|
||||
NoReturn = 0x87,
|
||||
Alignment = 0x88,
|
||||
ExportSymbols = 0x89,
|
||||
Deleted = 0x8a,
|
||||
Defaulted = 0x8b,
|
||||
LocListsBase = 0x8c,
|
||||
LoUser = 0x2000,
|
||||
HiUser = 0x3fff,
|
||||
};
|
||||
|
||||
enum class AttributeDataForm : u8 {
|
||||
None = 0,
|
||||
Addr = 0x1,
|
||||
Block2 = 0x3,
|
||||
Block4 = 0x4,
|
||||
Data2 = 0x5,
|
||||
Data4 = 0x6,
|
||||
Data8 = 0x7,
|
||||
String = 0x8,
|
||||
Block = 0x9,
|
||||
Block1 = 0xa,
|
||||
Data1 = 0xb,
|
||||
Flag = 0xc,
|
||||
SData = 0xd,
|
||||
StringPointer = 0xe,
|
||||
UData = 0xf,
|
||||
RefAddr = 0x10,
|
||||
Ref1 = 0x11,
|
||||
Ref2 = 0x12,
|
||||
Ref4 = 0x13,
|
||||
Ref8 = 0x14,
|
||||
RefUData = 0x15,
|
||||
Indirect = 0x16,
|
||||
SecOffset = 0x17,
|
||||
ExprLoc = 0x18,
|
||||
FlagPresent = 0x19,
|
||||
StrX = 0x1a,
|
||||
AddrX = 0x1b,
|
||||
RefSup4 = 0x1c,
|
||||
StrPSup = 0x1d,
|
||||
Data16 = 0x1e,
|
||||
LineStrP = 0x1f,
|
||||
RefSig8 = 0x20,
|
||||
ImplicitConst = 0x21,
|
||||
LocListX = 0x22,
|
||||
RngListX = 0x23,
|
||||
RefSup8 = 0x24,
|
||||
StrX1 = 0x25,
|
||||
StrX2 = 0x26,
|
||||
StrX3 = 0x27,
|
||||
StrX4 = 0x28,
|
||||
AddrX1 = 0x29,
|
||||
AddrX2 = 0x2a,
|
||||
AddrX3 = 0x2b,
|
||||
AddrX4 = 0x2c
|
||||
};
|
||||
|
||||
struct [[gnu::packed]] AttributeSpecification {
|
||||
Attribute attribute;
|
||||
AttributeDataForm form;
|
||||
};
|
||||
|
||||
}
|
64
Userland/Libraries/LibDebug/Dwarf/Expression.cpp
Normal file
64
Userland/Libraries/LibDebug/Dwarf/Expression.cpp
Normal file
|
@ -0,0 +1,64 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER 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 "Expression.h"
|
||||
|
||||
#include <AK/MemoryStream.h>
|
||||
|
||||
#include <sys/arch/i386/regs.h>
|
||||
|
||||
namespace Debug::Dwarf::Expression {
|
||||
|
||||
Value evaluate(ReadonlyBytes bytes, const PtraceRegisters& regs)
|
||||
{
|
||||
InputMemoryStream stream(bytes);
|
||||
|
||||
while (!stream.eof()) {
|
||||
u8 opcode = 0;
|
||||
stream >> opcode;
|
||||
|
||||
switch (static_cast<Operations>(opcode)) {
|
||||
case Operations::RegEbp: {
|
||||
ssize_t offset = 0;
|
||||
stream.read_LEB128_signed(offset);
|
||||
return Value { Type::UnsignedIntetger, regs.ebp + offset };
|
||||
}
|
||||
|
||||
case Operations::FbReg: {
|
||||
ssize_t offset = 0;
|
||||
stream.read_LEB128_signed(offset);
|
||||
return Value { Type::UnsignedIntetger, regs.ebp + 2 * sizeof(size_t) + offset };
|
||||
}
|
||||
|
||||
default:
|
||||
dbgln("DWARF expr addr: {}", (const void*)bytes.data());
|
||||
dbgln("unsupported opcode: {}", (u8)opcode);
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
}
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
|
||||
}
|
56
Userland/Libraries/LibDebug/Dwarf/Expression.h
Normal file
56
Userland/Libraries/LibDebug/Dwarf/Expression.h
Normal file
|
@ -0,0 +1,56 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER 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.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "AK/ByteBuffer.h"
|
||||
#include "AK/Types.h"
|
||||
|
||||
struct PtraceRegisters;
|
||||
|
||||
namespace Debug::Dwarf::Expression {
|
||||
|
||||
enum class Type {
|
||||
None,
|
||||
UnsignedIntetger,
|
||||
Register,
|
||||
};
|
||||
|
||||
struct Value {
|
||||
Type type;
|
||||
union {
|
||||
u32 as_u32;
|
||||
} data { 0 };
|
||||
};
|
||||
|
||||
enum class Operations : u8 {
|
||||
RegEbp = 0x75,
|
||||
FbReg = 0x91,
|
||||
};
|
||||
|
||||
Value evaluate(ReadonlyBytes, const PtraceRegisters&);
|
||||
|
||||
}
|
269
Userland/Libraries/LibDebug/Dwarf/LineProgram.cpp
Normal file
269
Userland/Libraries/LibDebug/Dwarf/LineProgram.cpp
Normal file
|
@ -0,0 +1,269 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER 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 "LineProgram.h"
|
||||
#include <AK/String.h>
|
||||
#include <AK/StringBuilder.h>
|
||||
|
||||
//#define DWARF_DEBUG
|
||||
|
||||
namespace Debug::Dwarf {
|
||||
|
||||
LineProgram::LineProgram(InputMemoryStream& stream)
|
||||
: m_stream(stream)
|
||||
{
|
||||
m_unit_offset = m_stream.offset();
|
||||
parse_unit_header();
|
||||
parse_source_directories();
|
||||
parse_source_files();
|
||||
run_program();
|
||||
}
|
||||
|
||||
void LineProgram::parse_unit_header()
|
||||
{
|
||||
m_stream >> Bytes { &m_unit_header, sizeof(m_unit_header) };
|
||||
|
||||
ASSERT(m_unit_header.version == DWARF_VERSION);
|
||||
ASSERT(m_unit_header.opcode_base == SPECIAL_OPCODES_BASE);
|
||||
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("unit length: {}", m_unit_header.length);
|
||||
#endif
|
||||
}
|
||||
|
||||
void LineProgram::parse_source_directories()
|
||||
{
|
||||
m_source_directories.append(".");
|
||||
|
||||
while (m_stream.peek_or_error()) {
|
||||
String directory;
|
||||
m_stream >> directory;
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("directory: {}", directory);
|
||||
#endif
|
||||
m_source_directories.append(move(directory));
|
||||
}
|
||||
m_stream.handle_recoverable_error();
|
||||
m_stream.discard_or_error(1);
|
||||
ASSERT(!m_stream.has_any_error());
|
||||
}
|
||||
|
||||
void LineProgram::parse_source_files()
|
||||
{
|
||||
m_source_files.append({ ".", 0 });
|
||||
while (!m_stream.eof() && m_stream.peek_or_error()) {
|
||||
String file_name;
|
||||
m_stream >> file_name;
|
||||
size_t directory_index = 0;
|
||||
m_stream.read_LEB128_unsigned(directory_index);
|
||||
size_t _unused = 0;
|
||||
m_stream.read_LEB128_unsigned(_unused); // skip modification time
|
||||
m_stream.read_LEB128_unsigned(_unused); // skip file size
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("file: {}, directory index: {}", file_name, directory_index);
|
||||
#endif
|
||||
m_source_files.append({ file_name, directory_index });
|
||||
}
|
||||
m_stream.discard_or_error(1);
|
||||
ASSERT(!m_stream.has_any_error());
|
||||
}
|
||||
|
||||
void LineProgram::append_to_line_info()
|
||||
{
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("appending line info: {:p}, {}:{}", m_address, m_source_files[m_file_index].name, m_line);
|
||||
#endif
|
||||
if (!m_is_statement)
|
||||
return;
|
||||
|
||||
String directory = m_source_directories[m_source_files[m_file_index].directory_index];
|
||||
|
||||
StringBuilder full_path(directory.length() + m_source_files[m_file_index].name.length() + 1);
|
||||
full_path.append(directory);
|
||||
full_path.append('/');
|
||||
full_path.append(m_source_files[m_file_index].name);
|
||||
|
||||
m_lines.append({ m_address, full_path.to_string(), m_line });
|
||||
}
|
||||
|
||||
void LineProgram::reset_registers()
|
||||
{
|
||||
m_address = 0;
|
||||
m_line = 1;
|
||||
m_file_index = 1;
|
||||
m_is_statement = m_unit_header.default_is_stmt == 1;
|
||||
}
|
||||
|
||||
void LineProgram::handle_extended_opcode()
|
||||
{
|
||||
size_t length = 0;
|
||||
m_stream.read_LEB128_unsigned(length);
|
||||
|
||||
u8 sub_opcode = 0;
|
||||
m_stream >> sub_opcode;
|
||||
|
||||
switch (sub_opcode) {
|
||||
case ExtendedOpcodes::EndSequence: {
|
||||
append_to_line_info();
|
||||
reset_registers();
|
||||
break;
|
||||
}
|
||||
case ExtendedOpcodes::SetAddress: {
|
||||
ASSERT(length == sizeof(size_t) + 1);
|
||||
m_stream >> m_address;
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("SetAddress: {:p}", m_address);
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
case ExtendedOpcodes::SetDiscriminator: {
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("SetDiscriminator");
|
||||
#endif
|
||||
m_stream.discard_or_error(1);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("offset: {:p}", m_stream.offset());
|
||||
#endif
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
}
|
||||
void LineProgram::handle_standard_opcode(u8 opcode)
|
||||
{
|
||||
switch (opcode) {
|
||||
case StandardOpcodes::Copy: {
|
||||
append_to_line_info();
|
||||
break;
|
||||
}
|
||||
case StandardOpcodes::AdvancePc: {
|
||||
size_t operand = 0;
|
||||
m_stream.read_LEB128_unsigned(operand);
|
||||
size_t delta = operand * m_unit_header.min_instruction_length;
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("AdvancePC by: {} to: {:p}", delta, m_address + delta);
|
||||
#endif
|
||||
m_address += delta;
|
||||
break;
|
||||
}
|
||||
case StandardOpcodes::SetFile: {
|
||||
size_t new_file_index = 0;
|
||||
m_stream.read_LEB128_unsigned(new_file_index);
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("SetFile: new file index: {}", new_file_index);
|
||||
#endif
|
||||
m_file_index = new_file_index;
|
||||
break;
|
||||
}
|
||||
case StandardOpcodes::SetColumn: {
|
||||
// not implemented
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("SetColumn");
|
||||
#endif
|
||||
size_t new_column;
|
||||
m_stream.read_LEB128_unsigned(new_column);
|
||||
|
||||
break;
|
||||
}
|
||||
case StandardOpcodes::AdvanceLine: {
|
||||
ssize_t line_delta;
|
||||
m_stream.read_LEB128_signed(line_delta);
|
||||
ASSERT(line_delta >= 0 || m_line >= (size_t)(-line_delta));
|
||||
m_line += line_delta;
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("AdvanceLine: {}", m_line);
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
case StandardOpcodes::NegateStatement: {
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("NegateStatement");
|
||||
#endif
|
||||
m_is_statement = !m_is_statement;
|
||||
break;
|
||||
}
|
||||
case StandardOpcodes::ConstAddPc: {
|
||||
u8 adjusted_opcode = 255 - SPECIAL_OPCODES_BASE;
|
||||
ssize_t address_increment = (adjusted_opcode / m_unit_header.line_range) * m_unit_header.min_instruction_length;
|
||||
address_increment *= m_unit_header.min_instruction_length;
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("ConstAddPc: advance pc by: {} to: {}", address_increment, (m_address + address_increment));
|
||||
#endif
|
||||
m_address += address_increment;
|
||||
break;
|
||||
}
|
||||
case StandardOpcodes::SetIsa: {
|
||||
size_t isa;
|
||||
m_stream.read_LEB128_unsigned(isa);
|
||||
dbgln("SetIsa: {}", isa);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
dbgln("Unhandled LineProgram opcode {}", opcode);
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
}
|
||||
void LineProgram::handle_sepcial_opcode(u8 opcode)
|
||||
{
|
||||
u8 adjusted_opcode = opcode - SPECIAL_OPCODES_BASE;
|
||||
ssize_t address_increment = (adjusted_opcode / m_unit_header.line_range) * m_unit_header.min_instruction_length;
|
||||
ssize_t line_increment = m_unit_header.line_base + (adjusted_opcode % m_unit_header.line_range);
|
||||
|
||||
m_address += address_increment;
|
||||
m_line += line_increment;
|
||||
|
||||
#ifdef DWARF_DEBUG
|
||||
dbgln("Special adjusted_opcode: {}, address_increment: {}, line_increment: {}", adjusted_opcode, address_increment, line_increment);
|
||||
dbg() << "Address is now:" << (void*)m_address << ", and line is: " << m_source_files[m_file_index].name << ":" << m_line;
|
||||
#endif
|
||||
|
||||
append_to_line_info();
|
||||
}
|
||||
|
||||
void LineProgram::run_program()
|
||||
{
|
||||
reset_registers();
|
||||
|
||||
while ((size_t)m_stream.offset() < m_unit_offset + sizeof(u32) + m_unit_header.length) {
|
||||
u8 opcode = 0;
|
||||
m_stream >> opcode;
|
||||
|
||||
#ifdef DWARF_DEBUG
|
||||
dbg() << (void*)(m_stream.offset() - 1) << ": opcode: " << opcode;
|
||||
#endif
|
||||
|
||||
if (opcode == 0) {
|
||||
handle_extended_opcode();
|
||||
} else if (opcode >= 1 && opcode <= 12) {
|
||||
handle_standard_opcode(opcode);
|
||||
} else {
|
||||
handle_sepcial_opcode(opcode);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
118
Userland/Libraries/LibDebug/Dwarf/LineProgram.h
Normal file
118
Userland/Libraries/LibDebug/Dwarf/LineProgram.h
Normal file
|
@ -0,0 +1,118 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 HOLDER 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.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <AK/FlyString.h>
|
||||
#include <AK/MemoryStream.h>
|
||||
#include <AK/Vector.h>
|
||||
|
||||
namespace Debug::Dwarf {
|
||||
|
||||
class LineProgram {
|
||||
public:
|
||||
explicit LineProgram(InputMemoryStream& stream);
|
||||
|
||||
struct LineInfo {
|
||||
u32 address { 0 };
|
||||
FlyString file;
|
||||
size_t line { 0 };
|
||||
};
|
||||
|
||||
const Vector<LineInfo>& lines() const { return m_lines; }
|
||||
|
||||
private:
|
||||
void parse_unit_header();
|
||||
void parse_source_directories();
|
||||
void parse_source_files();
|
||||
void run_program();
|
||||
|
||||
void append_to_line_info();
|
||||
void reset_registers();
|
||||
|
||||
void handle_extended_opcode();
|
||||
void handle_standard_opcode(u8 opcode);
|
||||
void handle_sepcial_opcode(u8 opcode);
|
||||
|
||||
struct [[gnu::packed]] UnitHeader32 {
|
||||
u32 length;
|
||||
u16 version;
|
||||
u32 header_length;
|
||||
u8 min_instruction_length;
|
||||
u8 default_is_stmt;
|
||||
i8 line_base;
|
||||
u8 line_range;
|
||||
u8 opcode_base;
|
||||
u8 std_opcode_lengths[12];
|
||||
};
|
||||
|
||||
enum StandardOpcodes {
|
||||
Copy = 1,
|
||||
AdvancePc,
|
||||
AdvanceLine,
|
||||
SetFile,
|
||||
SetColumn,
|
||||
NegateStatement,
|
||||
SetBasicBlock,
|
||||
ConstAddPc,
|
||||
FixAdvancePc,
|
||||
SetProlougeEnd,
|
||||
SetEpilogueBegin,
|
||||
SetIsa
|
||||
};
|
||||
|
||||
enum ExtendedOpcodes {
|
||||
EndSequence = 1,
|
||||
SetAddress,
|
||||
DefineFile,
|
||||
SetDiscriminator,
|
||||
};
|
||||
|
||||
struct FileEntry {
|
||||
FlyString name;
|
||||
size_t directory_index { 0 };
|
||||
};
|
||||
|
||||
static constexpr u16 DWARF_VERSION = 3;
|
||||
static constexpr u8 SPECIAL_OPCODES_BASE = 13;
|
||||
|
||||
InputMemoryStream& m_stream;
|
||||
|
||||
size_t m_unit_offset { 0 };
|
||||
UnitHeader32 m_unit_header {};
|
||||
Vector<String> m_source_directories;
|
||||
Vector<FileEntry> m_source_files;
|
||||
|
||||
// The registers of the "line program" virtual machine
|
||||
u32 m_address { 0 };
|
||||
size_t m_line { 0 };
|
||||
size_t m_file_index { 0 };
|
||||
bool m_is_statement { false };
|
||||
|
||||
Vector<LineInfo> m_lines;
|
||||
};
|
||||
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue