#ifndef _I386_ELF_H_
#define _I386_ELF_H_ 1
#if defined(__i386__) || defined(_MACHINE_ELF_WANT_32BIT)
/*
* ELF definitions for the i386 architecture.
*/
#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
#if defined(__ELF_WORD_SIZE) && __ELF_WORD_SIZE == 64
#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
#endif
#ifndef __ELF_WORD_SIZE
#define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */
#endif
#include <sys/elf_generic.h>
#define ELF_ARCH EM_386
#define ELF_MACHINE_OK(x) ((x) == EM_386 || (x) == EM_486)
/*
* Auxiliary vector entries for passing information to the interpreter.
*
* The i386 supplement to the SVR4 ABI specification names this "auxv_t",
* but POSIX lays claim to all symbols ending with "_t".
*/
typedef struct { /* Auxiliary vector entry on initial stack */
int a_type; /* Entry type. */
union {
long a_val; /* Integer value. */
void *a_ptr; /* Address. */
void (*a_fcn)(void); /* Function pointer (not used). */
} a_un;
} Elf32_Auxinfo;
#if __ELF_WORD_SIZE == 64
/* Fake for amd64 loader support */
typedef struct {
int fake;
} Elf64_Auxinfo;
#endif
__ElfType(Auxinfo);
/* Values for a_type. */
#define AT_NULL 0 /* Terminates the vector. */
#define AT_IGNORE 1 /* Ignored entry. */
#define AT_EXECFD 2 /* File descriptor of program to load. */
#define AT_PHDR 3 /* Program header of program already loaded. */
#define AT_PHENT 4 /* Size of each program header entry. */
#define AT_PHNUM 5 /* Number of program header entries. */
#define AT_PAGESZ 6 /* Page size in bytes. */
#define AT_BASE 7 /* Interpreter's base address. */
#define AT_FLAGS 8 /* Flags (unused for i386). */
#define AT_ENTRY 9 /* Where interpreter should transfer control. */
#define AT_NOTELF 10 /* Program is not ELF ?? */
#define AT_UID 11 /* Real uid. */
#define AT_EUID 12 /* Effective uid. */
#define AT_GID 13 /* Real gid. */
#define AT_EGID 14 /* Effective gid. */
#define AT_EXECPATH 15 /* Path to the executable. */
#define AT_CANARY 16 /* Canary for SSP. */
#define AT_CANARYLEN 17 /* Length of the canary. */
#define AT_OSRELDATE 18 /* OSRELDATE. */
#define AT_NCPUS 19 /* Number of CPUs. */
#define AT_PAGESIZES 20 /* Pagesizes. */
#define AT_PAGESIZESLEN 21 /* Number of pagesizes. */
#define AT_TIMEKEEP 22 /* Pointer to timehands. */
#define AT_STACKPROT 23 /* Initial stack protection. */
#define AT_COUNT 24 /* Count of defined aux entry types. */
/*
* Relocation types.
*/
#define R_386_COUNT 38 /* Count of defined relocation types. */
/* Define "machine" characteristics */
#define ELF_TARG_CLASS ELFCLASS32
#define ELF_TARG_DATA ELFDATA2LSB
#define ELF_TARG_MACH EM_386
#define ELF_TARG_VER 1
#define ET_DYN_LOAD_ADDR 0x01001000
#elif defined(__amd64__)
/*
* ELF definitions for the AMD64 architecture.
*/
#ifndef __ELF_WORD_SIZE
#define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */
#endif
#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
#include <sys/elf_generic.h>
#define ELF_ARCH EM_X86_64
#define ELF_ARCH32 EM_386
#define ELF_MACHINE_OK(x) ((x) == EM_X86_64)
/*
* Auxiliary vector entries for passing information to the interpreter.
*
* The i386 supplement to the SVR4 ABI specification names this "auxv_t",
* but POSIX lays claim to all symbols ending with "_t".
*/
typedef struct { /* Auxiliary vector entry on initial stack */
int a_type; /* Entry type. */
union {
int a_val; /* Integer value. */
} a_un;
} Elf32_Auxinfo;
typedef struct { /* Auxiliary vector entry on initial stack */
long a_type; /* Entry type. */
union {
long a_val; /* Integer value. */
void *a_ptr; /* Address. */
void (*a_fcn)(void); /* Function pointer (not used). */
} a_un;
} Elf64_Auxinfo;
__ElfType(Auxinfo);
/* Values for a_type. */
#define AT_NULL 0 /* Terminates the vector. */
#define AT_IGNORE 1 /* Ignored entry. */
#define AT_EXECFD 2 /* File descriptor of program to load. */
#define AT_PHDR 3 /* Program header of program already loaded. */
#define AT_PHENT 4 /* Size of each program header entry. */
#define AT_PHNUM 5 /* Number of program header entries. */
#define AT_PAGESZ 6 /* Page size in bytes. */
#define AT_BASE 7 /* Interpreter's base address. */
#define AT_FLAGS 8 /* Flags (unused for i386). */
#define AT_ENTRY 9 /* Where interpreter should transfer control. */
#define AT_NOTELF 10 /* Program is not ELF ?? */
#define AT_UID 11 /* Real uid. */
#define AT_EUID 12 /* Effective uid. */
#define AT_GID 13 /* Real gid. */
#define AT_EGID 14 /* Effective gid. */
#define AT_EXECPATH 15 /* Path to the executable. */
#define AT_CANARY 16 /* Canary for SSP */
#define AT_CANARYLEN 17 /* Length of the canary. */
#define AT_OSRELDATE 18 /* OSRELDATE. */
#define AT_NCPUS 19 /* Number of CPUs. */
#define AT_PAGESIZES 20 /* Pagesizes. */
#define AT_PAGESIZESLEN 21 /* Number of pagesizes. */
#define AT_TIMEKEEP 22 /* Pointer to timehands. */
#define AT_STACKPROT 23 /* Initial stack protection. */
#define AT_COUNT 24 /* Count of defined aux entry types. */
/*
* Relocation types.
*/
#define R_X86_64_COUNT 24 /* Count of defined relocation types. */
/* Define "machine" characteristics */
#if __ELF_WORD_SIZE == 32
#define ELF_TARG_CLASS ELFCLASS32
#else
#define ELF_TARG_CLASS ELFCLASS64
#endif
#define ELF_TARG_DATA ELFDATA2LSB
#define ELF_TARG_MACH EM_X86_64
#define ELF_TARG_VER 1
#if __ELF_WORD_SIZE == 32
#define ET_DYN_LOAD_ADDR 0x01001000
#else
#define ET_DYN_LOAD_ADDR 0x01021000
#endif
#endif /* __i386__, __amd64__ */
#include <ubixos/ubthread.h>
#define elfExecutable 0x002
#define elfLibrary 0x003
char *elfGetShType( int );
char *elfGetPhType( int );
char *elfGetRelType( int );
int elf_load_file( kTask_t *p, const char *file, uint32_t *addr, uint32_t *entry );
#endif
