/* ** ppc.library emulation ** (c)1998-99 Frank Wille ** ** Common ELF definitions ** ** V0.1 (15.11.1998) phx ** First partially working ppc.library emulation. Synchronous PPC ** tasks, started by runelf, which only use the basic PowerUp kernel ** functions for I/O, memory and context-switch seem to work fine. ** V0.0 (04.11.1998) phx ** copied from vlink's elfcommon.h */ #ifndef ELFCOMMON_H #define ELFCOMMON_H /* e_indent indexes */ #define EI_NIDENT 16 #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_CLASS */ #define ELFCLASSNONE 0 #define ELFCLASS32 1 #define ELFCLASS64 2 /* EI_DATA */ #define ELFDATANONE 0 #define ELFDATA2LSB 1 #define ELFDATA2MSB 2 /* e_type */ #define ET_NONE 0 /* No file type */ #define ET_REL 1 /* Relocatable file */ #define ET_EXEC 2 /* Executable file */ #define ET_DYN 3 /* Shared object file */ #define ET_CORE 4 /* Core file */ #define ET_LOPROC 0xFF00 /* Processor-specific */ #define ET_HIPROC 0xFFFF /* Processor-specific */ /* e_version */ #define EV_NONE 0 #define EV_CURRENT 1 /* e_machine */ #define EM_NONE 0 #define EM_M32 1 #define EM_SPARC 2 #define EM_386 3 #define EM_68K 4 #define EM_88K 5 #define EM_860 7 #define EM_MIPS 8 #define EM_MIPS_RS4_BE 10 #define EM_SPARC64 11 #define EM_PARISC 15 #define EM_PPC_OLD 17 #define EM_SPARC32PLUS 18 #define EM_PPC 20 #define EM_CYGNUS_POWERPC 0x9025 #define EM_ALPHA 0x9026 /* values for program header, p_type field */ #define PT_NULL 0 /* Program header table entry unused */ #define PT_LOAD 1 /* Loadable program segment */ #define PT_DYNAMIC 2 /* Dynamic linking information */ #define PT_INTERP 3 /* Program interpreter */ #define PT_NOTE 4 /* Auxiliary information */ #define PT_SHLIB 5 /* Reserved, unspecified semantics */ #define PT_PHDR 6 /* Entry for header table itself */ #define PT_LOPROC 0x70000000 /* Processor-specific */ #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */ /* Program segment permissions, in program header p_flags field */ #define PF_X (1 << 0) /* Segment is executable */ #define PF_W (1 << 1) /* Segment is writable */ #define PF_R (1 << 2) /* Segment is readable */ #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ /* special sections indexes */ #define SHN_UNDEF 0 #define SHN_ABS 0xfff1 #define SHN_COMMON 0xfff2 /* sh_type */ #define SHT_NULL 0 /* Section header table entry unused */ #define SHT_PROGBITS 1 /* Program specific (private) data */ #define SHT_SYMTAB 2 /* Link editing symbol table */ #define SHT_STRTAB 3 /* A string table */ #define SHT_RELA 4 /* Relocation entries with addends */ #define SHT_HASH 5 /* A symbol hash table */ #define SHT_DYNAMIC 6 /* Information for dynamic linking */ #define SHT_NOTE 7 /* Information that marks file */ #define SHT_NOBITS 8 /* Section occupies no space in file */ #define SHT_REL 9 /* Relocation entries, no addends */ #define SHT_SHLIB 10 /* Reserved, unspecified semantics */ #define SHT_DYNSYM 11 /* Dynamic linking symbol table */ #define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */ #define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */ #define SHT_LOUSER 0x80000000 /* Application-specific semantics */ #define SHT_HIUSER 0x8FFFFFFF /* Application-specific semantics */ /* sh_flags */ #define SHF_WRITE (1 << 0) /* Writable data during execution */ #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ #define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */ #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */ /* Values of note segment descriptor types for core files. */ #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ #define NT_FPREGSET 2 /* Contains copy of fpregset struct */ #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ #define STN_UNDEF 0 /* undefined symbol index */ /* ST_BIND */ #define STB_LOCAL 0 /* Symbol not visible outside obj */ #define STB_GLOBAL 1 /* Symbol visible outside obj */ #define STB_WEAK 2 /* Like globals, lower precedence */ #define STB_LOPROC 13 /* Application-specific semantics */ #define STB_HIPROC 15 /* Application-specific semantics */ /* ST_TYPE */ #define STT_NOTYPE 0 /* Symbol type is unspecified */ #define STT_OBJECT 1 /* Symbol is a data object */ #define STT_FUNC 2 /* Symbol is a code object */ #define STT_SECTION 3 /* Symbol associated with a section */ #define STT_FILE 4 /* Symbol gives a file name */ #define STT_LOPROC 13 /* Application-specific semantics */ #define STT_HIPROC 15 /* Application-specific semantics */ /* Dynamic section tags */ #define DT_NULL 0 #define DT_NEEDED 1 #define DT_PLTRELSZ 2 #define DT_PLTGOT 3 #define DT_HASH 4 #define DT_STRTAB 5 #define DT_SYMTAB 6 #define DT_RELA 7 #define DT_RELASZ 8 #define DT_RELAENT 9 #define DT_STRSZ 10 #define DT_SYMENT 11 #define DT_INIT 12 #define DT_FINI 13 #define DT_SONAME 14 #define DT_RPATH 15 #define DT_SYMBOLIC 16 #define DT_REL 17 #define DT_RELSZ 18 #define DT_RELENT 19 #define DT_PLTREL 20 #define DT_DEBUG 21 #define DT_TEXTREL 22 #define DT_JMPREL 23 #define DT_LOPROC 0x70000000 #define DT_HIPROC 0x7fffffff #endif