1216 - mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

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author	Kartik K. Agaram <vc@akkartik.com>	2015-04-28 22:42:54 -0700
committer	Kartik K. Agaram <vc@akkartik.com>	2015-04-28 22:42:54 -0700
commit	e3fa6cc7af792a6c0d83d9004859d6e9452c5fdb (patch)
tree	411b8592ed143ed3f2ddf60ea6e05e03213bcf86 /cpp/.traces
parent	0012c7037f63bf9a0195ba493448bc16f01655cd (diff)
download	mu-e3fa6cc7af792a6c0d83d9004859d6e9452c5fdb.tar.gz

1216

Diffstat (limited to 'cpp/.traces')

-rw-r--r--

cpp/.traces/string_literal

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cpp/.traces/string_literal_nested

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cpp/.traces/string_literal_with_colons

3 files changed, 10 insertions, 3 deletions

#ifndef ELF_H #define ELF_H #include "common.h" /* * ELF HEADER */ typedef struct { unsigned char e_ident[16]; /* ELF identification */ uint16 e_type; /* 2 (exec file) */ uint16 e_machine; /* 3 (intel architecture) */ uint32 e_version; /* 1 */ uint32 e_entry; /* starting point */ uint32 e_phoff; /* program header table offset */ uint32 e_shoff; /* section header table offset */ uint32 e_flags; /* various flags */ uint16 e_ehsize; /* ELF header (this) size */ uint16 e_phentsize; /* program header table entry size */ uint16 e_phnum; /* number of entries */ uint16 e_shentsize; /* section header table entry size */ uint16 e_shnum; /* number of entries */ uint16 e_shstrndx; /* index of the section name string table */ } Elf32_Ehdr; /* * ELF identification */ #define EI_MAG0 0 #define EI_MAG1 1 #define EI_MAG2 2 #define EI_MAG3 3 #define EI_CLASS 4 #define EI_DATA 5 #define EI_VERSION 6 #define EI_PAD 7 /* EI_MAG */ #define ELFMAG0 0x7f #define ELFMAG1 'E' #define ELFMAG2 'L' #define ELFMAG3 'F' /* EI_CLASS */ #define ELFCLASSNONE 0 /* invalid class */ #define ELFCLASS32 1 /* 32-bit objects */ #define ELFCLASS64 2 /* 64-bit objects */ /* EI_DATA */ #define ELFDATANONE 0 /* invalide data encoding */ #define ELFDATA2LSB 1 /* least significant byte first (0x01020304 is 0x04 0x03 0x02 0x01) */ #define ELFDATA2MSB 2 /* most significant byte first (0x01020304 is 0x01 0x02 0x03 0x04) */ /* EI_VERSION */ #define EV_CURRENT 1 #define ELFVERSION EV_CURRENT /* * PROGRAM HEADER */ typedef struct { uint32 p_type; /* type of segment */ uint32 p_offset; uint32 p_vaddr; uint32 p_paddr; uint32 p_filesz; uint32 p_memsz; uint32 p_flags; uint32 p_align; } Elf32_Phdr; /* p_type */ #define PT_NULL 0 #define PT_LOAD 1 #define PT_DYNAMIC 2 #define PT_INTERP 3 #define PT_NOTE 4 #define PT_SHLIB 5 #define PT_PHDR 6 #define PT_LOPROC 0x70000000 #define PT_HIPROC 0x7fffffff /* p_flags */ #define PF_X 0x1 #define PF_W 0x2 #define PF_R 0x4 enum eElfSectionTypes { SHT_NULL, //0 SHT_PROGBITS, //1 SHT_SYMTAB, //2 SHT_STRTAB, //3 SHT_RELA, //4 SHT_HASH, //5 SHT_DYNAMIC, //6 SHT_NOTE, //7 SHT_NOBITS, //8 SHT_REL, //9 SHT_SHLIB, //A SHT_DYNSYM, //B SHT_LAST, //C SHT_LOPROC = 0x70000000, SHT_HIPROC = 0x7fffffff, SHT_LOUSER = 0x80000000, SHT_HIUSER = 0xffffffff }; typedef struct { uint32 name; uint32 type; uint32 flags; uint32 address; uint32 offset; uint32 size; uint32 link; uint32 info; uint32 addralign; uint32 entsize; } Elf32_Scdr; enum { R_386_NONE=0, // none R_386_32, // S+A R_386_PC32, // S+A-P R_386_GOT32, // G+A-P R_386_PLT32, // L+A-P R_386_COPY, // none R_386_GLOB_DAT, // S R_386_JMP_SLOT, // S R_386_RELATIVE, // B+A R_386_GOTOFF, // S+A-GOT R_386_GOTPC, // GOT+A-P R_386_LAST // none }; typedef struct { uint16 d_tag; uint32 d_val; //Also d_ptr } Elf32_dyn; enum { DT_NULL, //!< Marks End of list DT_NEEDED, //!< Offset in strtab to needed library DT_PLTRELSZ, //!< Size in bytes of PLT DT_PLTGOT, //!< Address of PLT/GOT DT_HASH, //!< Address of symbol hash table DT_STRTAB, //!< String Table address DT_SYMTAB, //!< Symbol Table address DT_RELA, //!< Relocation table address DT_RELASZ, //!< Size of relocation table DT_RELAENT, //!< Size of entry in relocation table DT_STRSZ, //!< Size of string table DT_SYMENT, //!< Size of symbol table entry DT_INIT, //!< Address of initialisation function DT_FINI, //!< Address of termination function DT_SONAME, //!< String table offset of so name DT_RPATH, //!< String table offset of library path DT_SYMBOLIC,//!< Reverse order of symbol searching for library, search libs first then executable DT_REL, //!< Relocation Entries (Elf32_Rel instead of Elf32_Rela) DT_RELSZ, //!< Size of above table (bytes) DT_RELENT, //!< Size of entry in above table DT_PLTREL, //!< Relocation entry of PLT DT_DEBUG, //!< Debugging Entry - Unknown contents DT_TEXTREL, //!< Indicates that modifcations to a non-writeable segment may occur DT_JMPREL, //!< Address of PLT only relocation entries DT_LOPROC = 0x70000000, //!< Low Definable DT_HIPROC = 0x7FFFFFFF //!< High Definable }; BOOL isElf(char *elfData); uint32 loadElf(char *elfData); #endif // ELF_H


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