mirror of
https://github.com/libretro/Play-.git
synced 2024-11-27 18:50:28 +00:00
175 lines
2.8 KiB
C++
175 lines
2.8 KiB
C++
#pragma once
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#include "Stream.h"
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#include "Types.h"
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#pragma pack(push, 1)
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struct ELFSYMBOL
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{
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uint32 nName;
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uint32 nValue;
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uint32 nSize;
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uint8 nInfo;
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uint8 nOther;
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uint16 nSectionIndex;
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};
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struct ELFHEADER
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{
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uint8 nId[16];
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uint16 nType;
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uint16 nCPU;
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uint32 nVersion;
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uint32 nEntryPoint;
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uint32 nProgHeaderStart;
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uint32 nSectHeaderStart;
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uint32 nFlags;
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uint16 nSize;
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uint16 nProgHeaderEntrySize;
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uint16 nProgHeaderCount;
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uint16 nSectHeaderEntrySize;
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uint16 nSectHeaderCount;
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uint16 nSectHeaderStringTableIndex;
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};
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struct ELFSECTIONHEADER
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{
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uint32 nStringTableIndex;
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uint32 nType;
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uint32 nFlags;
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uint32 nStart;
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uint32 nOffset;
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uint32 nSize;
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uint32 nIndex;
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uint32 nInfo;
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uint32 nAlignment;
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uint32 nOther;
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};
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struct ELFPROGRAMHEADER
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{
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uint32 nType;
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uint32 nOffset;
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uint32 nVAddress;
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uint32 nPAddress;
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uint32 nFileSize;
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uint32 nMemorySize;
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uint32 nFlags;
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uint32 nAlignment;
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};
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#pragma pack(pop)
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class CELF
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{
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public:
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enum EXECUTABLE_TYPE
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{
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ET_NONE = 0,
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ET_REL = 1,
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ET_EXEC = 2,
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ET_DYN = 3,
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ET_CORE = 4,
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};
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enum MACHINE_TYPE
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{
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EM_NONE = 0,
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EM_M32 = 1,
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EM_SPARC = 2,
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EM_386 = 3,
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EM_68K = 4,
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EM_88K = 5,
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EM_860 = 7,
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EM_MIPS = 8,
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EM_ARM = 40,
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};
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enum EXECUTABLE_VERSION
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{
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EV_NONE = 0,
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EV_CURRENT = 1,
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};
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enum SECTION_HEADER_TYPE
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{
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SHT_NULL = 0,
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SHT_PROGBITS = 1,
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SHT_SYMTAB = 2,
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SHT_STRTAB = 3,
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SHT_HASH = 5,
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SHT_DYNAMIC = 6,
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SHT_NOTE = 7,
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SHT_NOBITS = 8,
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SHT_REL = 9,
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SHT_DYNSYM = 11,
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};
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enum PROGRAM_HEADER_TYPE
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{
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PT_NULL = 0,
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PT_LOAD = 1,
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PT_DYNAMIC = 2,
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PT_INTERP = 3,
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PT_NOTE = 4,
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PT_SHLIB = 5,
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PT_PHDR = 6,
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};
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enum PROGRAM_HEADER_FLAG
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{
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PF_X = 0x01,
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PF_W = 0x02,
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PF_R = 0x04,
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};
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enum DYNAMIC_INFO_TYPE
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{
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DT_NONE = 0,
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DT_NEEDED = 1,
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DT_PLTRELSZ = 2,
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DT_PLTGOT = 3,
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DT_HASH = 4,
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DT_STRTAB = 5,
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DT_SYMTAB = 6,
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DT_SONAME = 14,
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DT_SYMBOLIC = 16,
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};
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enum MIPS_RELOCATION_TYPE
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{
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R_MIPS_32 = 2,
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R_MIPS_26 = 4,
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R_MIPS_HI16 = 5,
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R_MIPS_LO16 = 6,
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R_MIPS_GPREL16 = 7,
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};
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CELF(uint8*);
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CELF(const CELF&) = delete;
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virtual ~CELF();
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CELF& operator=(const CELF&) = delete;
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uint8* GetContent() const;
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const ELFHEADER& GetHeader() const;
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ELFSECTIONHEADER* GetSection(unsigned int);
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const void* GetSectionData(unsigned int);
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const char* GetSectionName(unsigned int);
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ELFSECTIONHEADER* FindSection(const char*);
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unsigned int FindSectionIndex(const char*);
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const void* FindSectionData(const char*);
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ELFPROGRAMHEADER* GetProgram(unsigned int);
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private:
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ELFHEADER m_Header;
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uint8* m_content = nullptr;
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ELFSECTIONHEADER* m_pSection = nullptr;
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ELFPROGRAMHEADER* m_pProgram = nullptr;
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};
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