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LibCoreDump: CoreDumpReader => CoreDump::Reader

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As mentioned in 2d39da5 the usual pattern is that LibFoo provides a Foo
namespace - LibCoreDump doesn't, so this renames CoreDumpReader to
Reader and puts it in the CoreDump namespace. :^)
This commit is contained in:
Linus Groh 2020-12-28 12:38:19 +01:00 • committed by Andreas Kling
parent 1ed72cc580
commit 8ec1da2fca
5 changed files with 34 additions and 26 deletions
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100
Libraries/LibCoreDump/CoreDumpReader.h
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@ -1,100 +0,0 @@
/*
* 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/MappedFile.h>
#include <AK/Noncopyable.h>
#include <AK/OwnPtr.h>
#include <LibELF/CoreDump.h>
#include <LibELF/Image.h>
class CoreDumpReader {
AK_MAKE_NONCOPYABLE(CoreDumpReader);
public:
static OwnPtr<CoreDumpReader> create(const String&);
~CoreDumpReader();
CoreDumpReader(OwnPtr<MappedFile>&&);
template<typename Func>
void for_each_memory_region_info(Func func) const;
template<typename Func>
void for_each_thread_info(Func func) const;
const ELF::Image& image() const { return m_coredump_image; }
Optional<uint32_t> peek_memory(FlatPtr address) const;
const ELF::Core::MemoryRegionInfo* region_containing(FlatPtr address) const;
private:
class NotesEntryIterator {
public:
NotesEntryIterator(const u8* notes_data);
ELF::Core::NotesEntryHeader::Type type() const;
const ELF::Core::NotesEntry* current() const;
void next();
bool at_end() const;
private:
const ELF::Core::NotesEntry* m_current { nullptr };
const u8* start { nullptr };
};
OwnPtr<MappedFile> m_coredump_file;
ELF::Image m_coredump_image;
ssize_t m_notes_segment_index { -1 };
};
template<typename Func>
void CoreDumpReader::for_each_memory_region_info(Func func) const
{
for (NotesEntryIterator it((const u8*)m_coredump_image.program_header(m_notes_segment_index).raw_data()); !it.at_end(); it.next()) {
if (it.type() != ELF::Core::NotesEntryHeader::Type::MemoryRegionInfo)
continue;
auto* region = (const ELF::Core::MemoryRegionInfo*)(it.current());
IterationDecision decision = func(region);
if (decision == IterationDecision::Break)
return;
}
}
template<typename Func>
void CoreDumpReader::for_each_thread_info(Func func) const
{
for (NotesEntryIterator it((const u8*)m_coredump_image.program_header(m_notes_segment_index).raw_data()); !it.at_end(); it.next()) {
if (it.type() != ELF::Core::NotesEntryHeader::Type::ThreadInfo)
continue;
auto* region = (const ELF::Core::ThreadInfo*)(it.current());
IterationDecision decision = func(region);
if (decision == IterationDecision::Break)
return;
}
}