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committer: mfx <mfx> 1109750346 +0000
This commit is contained in:
Markus F.X.J. Oberhumer 2005-03-02 07:59:06 +00:00
parent 4c97b11207
commit efd30c61c3
1 changed files with 81 additions and 77 deletions
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158
src/p_elf.h
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@ -34,9 +34,11 @@
// Some ELF type definitinons // Some ELF type definitinons
**************************************************************************/ **************************************************************************/
namespace TT_Elf32 {
// The ELF file header. This appears at the start of every ELF file. // The ELF file header. This appears at the start of every ELF file.
template <class TT16, class TT32> template <class TT16, class TT32, class TT64>
struct TT_Elf32_Ehdr struct Ehdr
{ {
unsigned char e_ident[16]; /* Magic number and other info */ unsigned char e_ident[16]; /* Magic number and other info */
TT16 e_type; /* Object file type */ TT16 e_type; /* Object file type */
@ -53,45 +55,45 @@ struct TT_Elf32_Ehdr
TT16 e_shnum; /* Section header table entry count */ TT16 e_shnum; /* Section header table entry count */
TT16 e_shstrndx; /* Section header string table index */ TT16 e_shstrndx; /* Section header string table index */
enum { // e_ident enum { // e_ident
EI_CLASS = 4, EI_CLASS = 4,
EI_DATA = 5, EI_DATA = 5,
EI_VERSION = 6, EI_VERSION = 6,
EI_OSABI = 7, EI_OSABI = 7,
EI_ABIVERSION = 8 EI_ABIVERSION = 8,
}; };
enum { // EI_CLASS enum { // EI_CLASS
ELFCLASS32 = 1, /* 32-bit objects */ ELFCLASS32 = 1, /* 32-bit objects */
ELFCLASS64 = 2 /* 64-bit objects */ ELFCLASS64 = 2, /* 64-bit objects */
}; };
enum { // EI_DATA enum { // EI_DATA
ELFDATA2LSB = 1, /* 2's complement, little endian */ ELFDATA2LSB = 1, /* 2's complement, little endian */
ELFDATA2MSB = 2 /* 2's complement, big endian */ ELFDATA2MSB = 2 /* 2's complement, big endian */
}; };
enum { // EI_OSABI enum { // EI_OSABI
ELFOSABI_LINUX = 3 ELFOSABI_LINUX = 3
}; };
enum { // e_type enum { // e_type
ET_NONE = 0, /* No file type */ ET_NONE = 0, /* No file type */
ET_REL = 1, /* Relocatable file */ ET_REL = 1, /* Relocatable file */
ET_EXEC = 2, /* Executable file */ ET_EXEC = 2, /* Executable file */
ET_DYN = 3, /* Shared object file */ ET_DYN = 3, /* Shared object file */
ET_CORE = 4 /* Core file */ ET_CORE = 4, /* Core file */
}; };
enum { // e_machine enum { // e_machine
EM_386 = 3, EM_386 = 3,
EM_PPC = 20 EM_PPC = 20,
}; };
enum { // e_version enum { // e_version
EV_CURRENT = 1 EV_CURRENT = 1,
}; };
} }
__attribute_packed; __attribute_packed;
// Program segment header. // Program segment header.
template <class TT16, class TT32> template <class TT16, class TT32, class TT64>
struct TT_Elf32_Phdr struct Phdr
{ {
TT32 p_type; /* Segment type */ TT32 p_type; /* Segment type */
TT32 p_offset; /* Segment file offset */ TT32 p_offset; /* Segment file offset */
@ -102,59 +104,59 @@ struct TT_Elf32_Phdr
TT32 p_flags; /* Segment flags */ TT32 p_flags; /* Segment flags */
TT32 p_align; /* Segment alignment */ TT32 p_align; /* Segment alignment */
// Values for p_type enum { // p_type
enum { PT_LOAD = 1, /* Loadable program segment */
PT_LOAD = 1, /* Loadable program segment */ PT_DYNAMIC = 2, /* Dynamic linking information */
PT_DYNAMIC = 2, /* Dynamic linking information */ PT_INTERP = 3, /* Name of program interpreter */
PT_INTERP = 3, /* Name of program interpreter */ PT_PHDR = 6, /* Entry for header table itself */
PT_PHDR = 6 /* Entry for header table itself */
}; };
// Values for p_flags enum { // p_flags
enum { PF_X = (1 << 0) }; /* Segment is executable */ PF_X = 1, /* Segment is executable */
enum { PF_W = (1 << 1) }; /* Segment is writable */ PF_W = 2, /* Segment is writable */
enum { PF_R = (1 << 2) }; /* Segment is readable */ PF_R = 4, /* Segment is readable */
};
} }
__attribute_packed; __attribute_packed;
template <class TT16, class TT32> template <class TT16, class TT32, class TT64>
struct TT_Elf32_Shdr struct Shdr
{ {
TT32 sh_name; /* Section name (string tbl index) */ TT32 sh_name; /* Section name (string tbl index) */
TT32 sh_type; /* Section type */ TT32 sh_type; /* Section type */
TT32 sh_flags; /* Section flags */ TT32 sh_flags; /* Section flags */
TT32 sh_addr; /* Section virtual addr at execution */ TT32 sh_addr; /* Section virtual addr at execution */
TT32 sh_offset; /* Section file offset */ TT32 sh_offset; /* Section file offset */
TT32 sh_size; /* Section size in bytes */ TT32 sh_size; /* Section size in bytes */
TT32 sh_link; /* Link to another section */ TT32 sh_link; /* Link to another section */
TT32 sh_info; /* Additional section information */ TT32 sh_info; /* Additional section information */
TT32 sh_addralign; /* Section alignment */ TT32 sh_addralign; /* Section alignment */
TT32 sh_entsize; /* Entry size if section holds table */ TT32 sh_entsize; /* Entry size if section holds table */
enum { // values for sh_type enum { // sh_type
SHT_NULL = 0, /* Section header table entry unused */ SHT_NULL = 0, /* Section header table entry unused */
SHT_PROGBITS = 1,/* Program data */ SHT_PROGBITS = 1, /* Program data */
SHT_SYMTAB = 2, /* Symbol table */ SHT_SYMTAB = 2, /* Symbol table */
SHT_STRTAB = 3, /* String table */ SHT_STRTAB = 3, /* String table */
SHT_RELA = 4, /* Relocation entries with addends */ SHT_RELA = 4, /* Relocation entries with addends */
SHT_HASH = 5, /* Symbol hash table */ SHT_HASH = 5, /* Symbol hash table */
SHT_DYNAMIC = 6, /* Dynamic linking information */ SHT_DYNAMIC = 6, /* Dynamic linking information */
SHT_NOTE = 7, /* Notes */ SHT_NOTE = 7, /* Notes */
SHT_NOBITS = 8, /* Program space with no data (bss) */ SHT_NOBITS = 8, /* Program space with no data (bss) */
SHT_REL = 9, /* Relocation entries, no addends */ SHT_REL = 9, /* Relocation entries, no addends */
SHT_SHLIB = 10, /* Reserved */ SHT_SHLIB = 10, /* Reserved */
SHT_DYNSYM = 11, /* Dynamic linker symbol table */ SHT_DYNSYM = 11, /* Dynamic linker symbol table */
/* 12, 13 hole */ /* 12, 13 hole */
SHT_INIT_ARRAY = 14, /* Array of constructors */ SHT_INIT_ARRAY = 14, /* Array of constructors */
SHT_FINI_ARRAY = 15, /* Array of destructors */ SHT_FINI_ARRAY = 15, /* Array of destructors */
SHT_PREINIT_ARRAY = 16, /* Array of pre-constructors */ SHT_PREINIT_ARRAY = 16, /* Array of pre-constructors */
SHT_GROUP = 17, /* Section group */ SHT_GROUP = 17, /* Section group */
SHT_SYMTAB_SHNDX = 18, /* Extended section indeces */ SHT_SYMTAB_SHNDX = 18, /* Extended section indeces */
SHT_NUM = 19 /* Number of defined types. */ SHT_NUM = 19, /* Number of defined types. */
}; };
enum { // values for sh_flags enum { // sh_flags
SHF_WRITE = (1 << 0), /* Writable */ SHF_WRITE = (1 << 0), /* Writable */
SHF_ALLOC = (1 << 1), /* Occupies memory during execution */ SHF_ALLOC = (1 << 1), /* Occupies memory during execution */
SHF_EXECINSTR = (1 << 2), /* Executable */ SHF_EXECINSTR = (1 << 2), /* Executable */
@ -167,35 +169,37 @@ struct TT_Elf32_Shdr
__attribute_packed; __attribute_packed;
template <class TT16, class TT32> template <class TT16, class TT32, class TT64>
struct TT_Elf32_Dyn struct Dyn
{ {
TT32 d_tag; TT32 d_tag;
TT32 d_val; TT32 d_val;
enum { // tags enum { // d_tag
DT_NULL = 0, /* End flag */ DT_NULL = 0, /* End flag */
DT_NEEDED = 1, /* Name of needed library */ DT_NEEDED = 1, /* Name of needed library */
DT_STRTAB = 5, /* String table */ DT_STRTAB = 5, /* String table */
DT_STRSZ = 10 /* Sizeof string table */ DT_STRSZ = 10, /* Sizeof string table */
}; };
} }
__attribute_packed; __attribute_packed;
} // namespace
/************************************************************************* /*************************************************************************
// now for the actual types // now for the actual types
**************************************************************************/ **************************************************************************/
typedef TT_Elf32_Ehdr<LE16,LE32> Elf_LE32_Ehdr; typedef TT_Elf32::Ehdr<LE16,LE32,void> Elf_LE32_Ehdr;
typedef TT_Elf32_Phdr<LE16,LE32> Elf_LE32_Phdr; typedef TT_Elf32::Phdr<LE16,LE32,void> Elf_LE32_Phdr;
typedef TT_Elf32_Shdr<LE16,LE32> Elf_LE32_Shdr; typedef TT_Elf32::Shdr<LE16,LE32,void> Elf_LE32_Shdr;
typedef TT_Elf32_Dyn <LE16,LE32> Elf_LE32_Dyn; typedef TT_Elf32::Dyn <LE16,LE32,void> Elf_LE32_Dyn;
typedef TT_Elf32_Ehdr<unsigned short,unsigned int> Elf32_Ehdr; typedef TT_Elf32::Ehdr<unsigned short,unsigned int,void> Elf32_Ehdr;
typedef TT_Elf32_Phdr<unsigned short,unsigned int> Elf32_Phdr; typedef TT_Elf32::Phdr<unsigned short,unsigned int,void> Elf32_Phdr;
typedef TT_Elf32_Shdr<unsigned short,unsigned int> Elf32_Shdr; typedef TT_Elf32::Shdr<unsigned short,unsigned int,void> Elf32_Shdr;
typedef TT_Elf32_Dyn <unsigned short,unsigned int> Elf32_Dyn; typedef TT_Elf32::Dyn <unsigned short,unsigned int,void> Elf32_Dyn;
#endif /* already included */ #endif /* already included */