mirror of
https://github.com/trustedsec/ELFLoader
synced 2026-06-08 17:56:51 +00:00
Kevin Haubris
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
#ifndef ELFLOADER_H_
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#define ELFLOADER_H_
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/*Defines to map Elf_Phdr to Elf32_Phdr and whatnot*/
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#if UINTPTR_MAX == 0xffffffff
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#define Elf_Ehdr Elf32_Ehdr
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#define Elf_Phdr Elf32_Phdr
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#define Elf_Sym Elf32_Sym
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#define Elf_Rel Elf32_Rel
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#define Elf_Shdr Elf32_Shdr
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#define ELF_R_TYPE(i) ((i) & 0xff)
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#define ELF_R_SYM(x) ((x) >> 8)
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#define SHT_REL_TYPE SHT_REL
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#define X86
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#else
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#define Elf_Ehdr Elf64_Ehdr
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#define Elf_Phdr Elf64_Phdr
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#define Elf_Sym Elf64_Sym
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#define Elf_Rel Elf64_Rela
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#define Elf_Shdr Elf64_Shdr
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#define ELF_R_TYPE(i) ((i) & 0xffffffff)
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#define ELF_R_SYM(x) ((x) >> 32)
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#define SHT_REL_TYPE SHT_RELA
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#endif
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typedef struct ELFInfo {
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Elf_Ehdr *Header;
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Elf_Phdr *progHeader;
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int progHeaderSize;
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Elf_Shdr *sectHeader;
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int sectHeaderSize;
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unsigned char* execPtr;
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Elf_Sym *symbolTable;
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char* stringTable;
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char* sectionStringTable;
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unsigned char** sectionMappings;
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int* sectionMappingProts;
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unsigned char* tempOffsetTable;
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int tempOffsetCounter;
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} ELFInfo_t;
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/* x86_64 */
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#ifdef WIN32
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#define PROT_READ PAGE_EXECUTE_READWRITE
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#define PROT_WRITE PAGE_EXECUTE_READWRITE
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#define PROT_EXEC PAGE_EXECUTE_READWRITE
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#endif
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#if defined(__amd64__) || defined(__x86_64__)
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unsigned char* ThunkTrampoline = (unsigned char*)"\x48\xb8\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xff\xe0";
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int ThunkTrampolineSize = 12;
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#define THUNKOFFSET 2
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#define COMPILEDMACHINEARCH EM_X86_64
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#endif
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/* x86 */
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#if defined(__i386__)
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unsigned char* ThunkTrampoline = (unsigned char*)"\x68\x00\x00\x00\x00\x58\xff\xe0";
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int ThunkTrampolineSize = 8;
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#define THUNKOFFSET 1
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#define COMPILEDMACHINEARCH EM_386
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#endif
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int ELFRunner(char* functionName, unsigned char* elfObjectData, unsigned int size, unsigned char* argumentdata, int argumentSize);
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#endif
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