mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-22 02:26:11 +00:00
5e1499d104
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).
This commit is auto-generated:
$ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
Meta Ports Ladybird Tests Kernel)
$ perl -pie 's/\bDeprecatedString\b/ByteString/g;
s/deprecated_string/byte_string/g' $xs
$ clang-format --style=file -i \
$(git diff --name-only | grep \.cpp\|\.h)
$ gn format $(git ls-files '*.gn' '*.gni')
78 lines
2 KiB
C++
78 lines
2 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "EventSerialNumber.h"
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#include <AK/HashMap.h>
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#include <AK/OwnPtr.h>
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#include <AK/Vector.h>
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#include <LibCore/MappedFile.h>
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#include <LibDebug/DebugInfo.h>
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#include <LibELF/Image.h>
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namespace Profiler {
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struct MappedObject {
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NonnullOwnPtr<Core::MappedFile> file;
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ELF::Image elf;
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};
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extern HashMap<ByteString, OwnPtr<MappedObject>> g_mapped_object_cache;
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class LibraryMetadata {
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public:
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struct Library {
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FlatPtr base;
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size_t size;
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ByteString name;
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MappedObject* object { nullptr };
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// This is loaded lazily because we only need it in disassembly view
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mutable OwnPtr<Debug::DebugInfo> debug_info;
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ByteString symbolicate(FlatPtr, u32* offset) const;
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Debug::DebugInfo const& load_debug_info(FlatPtr base_address) const;
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};
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void handle_mmap(FlatPtr base, size_t size, ByteString const& name);
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Library const* library_containing(FlatPtr) const;
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private:
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mutable HashMap<ByteString, NonnullOwnPtr<Library>> m_libraries;
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};
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struct Thread {
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pid_t tid;
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EventSerialNumber start_valid;
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EventSerialNumber end_valid;
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bool valid_at(EventSerialNumber serial) const
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{
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return serial >= start_valid && (end_valid == EventSerialNumber {} || serial <= end_valid);
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}
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};
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struct Process {
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pid_t pid {};
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ByteString executable;
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ByteString basename;
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HashMap<int, Vector<Thread>> threads {};
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LibraryMetadata library_metadata {};
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EventSerialNumber start_valid;
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EventSerialNumber end_valid;
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Thread* find_thread(pid_t tid, EventSerialNumber serial);
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void handle_thread_create(pid_t tid, EventSerialNumber serial);
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void handle_thread_exit(pid_t tid, EventSerialNumber serial);
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bool valid_at(EventSerialNumber serial) const
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{
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return serial >= start_valid && (end_valid == EventSerialNumber {} || serial <= end_valid);
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}
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};
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}
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