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author | Jack <66967891+ASpoonPlaysGames@users.noreply.github.com> | 2023-12-27 00:32:01 +0000 |
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committer | GitHub <noreply@github.com> | 2023-12-27 01:32:01 +0100 |
commit | f5ab6fb5e8be7b73e6003d4145081d5e0c0ce287 (patch) | |
tree | 90f2c6a4885dbd181799e2325cf33588697674e1 /primedev/core/memory.h | |
parent | bb8ed59f6891b1196c5f5bbe7346cd171c8215fa (diff) | |
download | NorthstarLauncher-1.21.2-rc3.tar.gz NorthstarLauncher-1.21.2-rc3.zip |
Folder restructuring from primedev (#624)v1.21.2-rc3v1.21.2
Copies of over the primedev folder structure for easier cherry-picking of further changes
Co-authored-by: F1F7Y <filip.bartos07@proton.me>
Diffstat (limited to 'primedev/core/memory.h')
-rw-r--r-- | primedev/core/memory.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/primedev/core/memory.h b/primedev/core/memory.h new file mode 100644 index 00000000..a978963e --- /dev/null +++ b/primedev/core/memory.h @@ -0,0 +1,90 @@ +#pragma once + +class CMemoryAddress +{ +public: + uintptr_t m_nAddress; + +public: + CMemoryAddress(); + CMemoryAddress(const uintptr_t nAddress); + CMemoryAddress(const void* pAddress); + + // operators + operator uintptr_t() const; + operator void*() const; + operator bool() const; + + bool operator==(const CMemoryAddress& other) const; + bool operator!=(const CMemoryAddress& other) const; + bool operator==(const uintptr_t& addr) const; + bool operator!=(const uintptr_t& addr) const; + + CMemoryAddress operator+(const CMemoryAddress& other) const; + CMemoryAddress operator-(const CMemoryAddress& other) const; + CMemoryAddress operator+(const uintptr_t& other) const; + CMemoryAddress operator-(const uintptr_t& other) const; + CMemoryAddress operator*() const; + + template <typename T> T RCast() + { + return reinterpret_cast<T>(m_nAddress); + } + + // traversal + CMemoryAddress Offset(const uintptr_t nOffset) const; + CMemoryAddress Deref(const int nNumDerefs = 1) const; + + // patching + void Patch(const uint8_t* pBytes, const size_t nSize); + void Patch(const std::initializer_list<uint8_t> bytes); + void Patch(const char* pBytes); + void NOP(const size_t nSize); + + bool IsMemoryReadable(const size_t nSize); +}; + +// based on https://github.com/Mauler125/r5sdk/blob/master/r5dev/public/include/module.h +class CModule : public CMemoryAddress +{ +public: + struct ModuleSections_t + { + ModuleSections_t(void) = default; + ModuleSections_t(const std::string& svSectionName, uintptr_t pSectionBase, size_t nSectionSize) + : m_svSectionName(svSectionName), m_pSectionBase(pSectionBase), m_nSectionSize(nSectionSize) + { + } + + bool IsSectionValid(void) const + { + return m_nSectionSize != 0; + } + + std::string m_svSectionName; // Name of section. + uintptr_t m_pSectionBase {}; // Start address of section. + size_t m_nSectionSize {}; // Size of section. + }; + + ModuleSections_t m_ExecutableCode; + ModuleSections_t m_ExceptionTable; + ModuleSections_t m_RunTimeData; + ModuleSections_t m_ReadOnlyData; + +private: + std::string m_svModuleName; + uintptr_t m_pModuleBase {}; + DWORD m_nModuleSize {}; + IMAGE_NT_HEADERS64* m_pNTHeaders = nullptr; + IMAGE_DOS_HEADER* m_pDOSHeader = nullptr; + std::vector<ModuleSections_t> m_vModuleSections; + +public: + CModule() = delete; // no default, we need a module name + CModule(const HMODULE pModule); + CModule(const char* pModuleName); + + CMemoryAddress GetExport(const char* pExportName); + CMemoryAddress FindPattern(const uint8_t* pPattern, const char* pMask); + CMemoryAddress FindPattern(const char* pPattern); +}; |