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b788d33717
* Debugger: Fix warning on Debian builder Fix "braces around scalar initializer [-Wbraced-scalar-init]" warning * Fix manual update check which was hardcoded to "dev" track * OGLRender: Log video backend info, in addition to showing it via OSD This is mainly intended for debugging fifo.ci. * FileUtil: Remove redundant statement * Qt/GeneralPane: Don't trigger config change events when populating GUI. * more stuff * buildbot from dolphin-mpn-src to dolphin-mpn-advanced-src * Fix Netplay Traversal Error * Update linux.yml * Update macos.yml * Update linux.yml * NANDImporter: Make a class variable for the NAND root * fix linux buildbot * rename binary automatically to dolphin-mpn * NANDImporter: Improve NANDFSTEntry `uid` is a u32, not a u16. Also, everything is big endian, so we can simplify the code a little bit. * NANDImporter: Reduce recursion in `ProcessEntry` It also simplifies the code flow, as it no longer goes backwards through the filesystem chain. * NANDImporter: Don't pass paths if we don't need to * NANDImporter: Make superblocks less magical Create a struct describing the superblock layout and use it directly without needing to specify offsets and such. * NANDImporter: Only read the AES key once There is no need to constantly reset the key for every file entry. * Common: Make DynamicLibrary non-copyable The default implementations of DynamicLibrary's copy and move constructors and assignment operators are unsafe. * minor fixes Co-authored-by: Dentomologist <dentomologist@gmail.com> Co-authored-by: Pierre Bourdon <delroth@gmail.com> Co-authored-by: Pokechu22 <Pokechu022@gmail.com> Co-authored-by: Admiral H. Curtiss <pikachu025@gmail.com> Co-authored-by: JosJuice <josjuice@gmail.com> Co-authored-by: Starsam80 <samraskauskas@gmail.com> Co-authored-by: Léo Lam <leo@leolam.fr>
72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
// Copyright 2019 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <atomic>
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#include <string>
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namespace Common
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{
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/**
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* Provides a platform-independent interface for loading a dynamic library and retrieving symbols.
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* The interface maintains an internal reference count to allow one handle to be shared between
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* multiple users.
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*/
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class DynamicLibrary final
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{
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public:
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// Default constructor, does not load a library.
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DynamicLibrary();
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// Automatically loads the specified library. Call IsOpen() to check validity before use.
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DynamicLibrary(const char* filename);
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// Closes the library.
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~DynamicLibrary();
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DynamicLibrary(const DynamicLibrary&) = delete;
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DynamicLibrary(DynamicLibrary&&) = delete;
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DynamicLibrary& operator=(const DynamicLibrary&) = delete;
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DynamicLibrary& operator=(DynamicLibrary&&) = delete;
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// Returns the specified library name with the platform-specific suffix added.
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static std::string GetUnprefixedFilename(const char* filename);
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// Returns the specified library name in platform-specific format.
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// Major/minor versions will not be included if set to -1.
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// If libname already contains the "lib" prefix, it will not be added again.
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// Windows: LIBNAME-MAJOR-MINOR.dll
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// Linux: libLIBNAME.so.MAJOR.MINOR
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// Mac: libLIBNAME.MAJOR.MINOR.dylib
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static std::string GetVersionedFilename(const char* libname, int major = -1, int minor = -1);
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// Returns true if a module is loaded, otherwise false.
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bool IsOpen() const { return m_handle != nullptr; }
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// Loads (or replaces) the handle with the specified library file name.
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// Returns true if the library was loaded and can be used.
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bool Open(const char* filename);
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// Unloads the library, any function pointers from this library are no longer valid.
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void Close();
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// Returns the address of the specified symbol (function or variable) as an untyped pointer.
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// If the specified symbol does not exist in this library, nullptr is returned.
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void* GetSymbolAddress(const char* name) const;
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// Obtains the address of the specified symbol, automatically casting to the correct type.
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// Returns true if the symbol was found and assigned, otherwise false.
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template <typename T>
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bool GetSymbol(const char* name, T* ptr) const
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{
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*ptr = reinterpret_cast<T>(GetSymbolAddress(name));
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return *ptr != nullptr;
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}
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private:
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// Platform-dependent data type representing a dynamic library handle.
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void* m_handle = nullptr;
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};
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} // namespace Common
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