/*****************************************************************************************
Copyright (c) 2002-2004 The UbixOS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are
permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list of
conditions, the following disclaimer and the list of authors. Redistributions in binary
form must reproduce the above copyright notice, this list of conditions, the following
disclaimer and the list of authors in the documentation and/or other materials provided
with the distribution. Neither the name of the UbixOS Project nor the names of its
contributors may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
$Id: elf.h 171 2016-01-20 05:02:07Z reddawg $
*****************************************************************************************/
#ifndef _ELF_H_
#define _ELF_H_
#include <sys/types.h>
#include <ubixos/sched.h>
#define elfExecutable 0x002
#define elfLibrary 0x003
#define R_386_NONE 0 /* none none */
#define R_386_32 1 /* word32 S + A */
#define R_386_PC32 2 /* word32 S + A - P */
#define R_386_GOT32 3 /* word32 G + A - P */
#define R_386_PLT32 4 /* word32 L + A - P */
#define R_386_COPY 5 /* none none */
#define R_386_GLOB_DAT 6 /* word32 S */
#define R_386_JMP_SLOT 7 /* word32 S */
#define R_386_RELATIVE 8 /* word32 B + A */
#define R_386_GOTOFF 9 /* word32 S + A - GOT */
#define R_386_GOTPC 10 /* word32 GOT + A - P */
/* Elf Types */
#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_LOOS 0xfe00 // Operating System Specific
#define ET_HIOF 0xfeff // Operating System Specific
#define ET_LOPROC 0xff00 // Processor Specific
#define ET_HIPROC 0xffff // PRocessor Specific
/* End Elf Types */
/* Elf Machine Types */
#define EM_NONE 0 // No machine
#define EM_M32 1 // AT&T WE 32100
#define EM_SPARC 2 // SPARC
#define EM_386 3 // Intel 80386
#define EM_68K 4 // Motorola 68000
#define EM_88K 5 // Motorola 88000
#define EM_IAMCU 6 // Intel MCU
#define EM_860 7 // Intel 80860
#define EM_MIPS 8 // MIPS RS3000
/* End Elf Machines Types */
/* Elf Version */
#define EV_NONE 0 // Invalid version
#define EV_CURRENT 1 // Current version
/* End Elf Version */
/* Elf Program Header Types */
#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_LOOS 0x60000000
#define PT_HIOS 0x6fffffff
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
#define PT_GNU_EH_FRAME 0x6474e550
#define PT_GNU_STACK (PT_LOOS + 0x474e551)
#define PT_GNU_RELRO (PT_LOOS + 0x474e552)
#define PT_PAX_FLAGS (PT_LOOS + 0x5041580)
/* End Elf Program Header Types */
/* ELF Identification Indexes */
#define EI_MAG0 0 // File Identification
#define EI_MAG1 1 // File Identification
#define EI_MAG2 2 // File Identification
#define EI_MAG3 3 // File Identification
#define EI_CLASS 4 // File Class
#define EI_DATA 5 // Data Encoding
#define EI_VERSION 6 // File Version
#define EI_OSABI 7 // Operating System/ABI Identification
#define EI_ABIVERSION 8 // ABI Version
#define EI_PAD 9 // Start Of Padding Bytes
#define EI_NIDENT 16 // Size Of e_ident[]
/* ELF Class Types */
#define ELFCLASS_NONE 0 // Invalid Class
#define ELFCLASS_32 1 // 32-Bit Objects
#define EFLCLASS_64 2 // 32-Bit Objects
/* ELF DATA Types */
#define ELFDATA_NONE 0 // Invalid Data Type
#define ELFDATA_LSB 1 // Least Significant Bit
#define ELFDATA_MSB 2 // Most Significant Bit
/* ELF OS ABI */
#define ELFOSABI_NONE 0 // No Extensions
#define ELFOSABI_LINUX 3 // Linux
#define ELFOSABI_FREEBSD 9 // FreeBSD
#define ELFOSABI_UBIXOS 17 // UbixOS
/* ELF PH Flags */
#define PF_X 0x1 /* Executable. */
#define PF_W 0x2 /* Writable. */
#define PF_R 0x4 /* Readable. */
#define PF_MASKOS 0x0ff00000 /* Operating system-specific. */
#define PF_MASKPROC 0xf0000000 /* Processor-specific. */
typedef struct {
uInt8 eIdent[16]; /* File identification. */
uInt16 eType; /* File type. */
uInt16 eMachine; /* Machine architecture. */
uInt32 eVersion; /* ELF format version. */
uInt32 eEntry; /* Entry point. */
uInt32 ePhoff; /* Program header file offset. */
uInt32 eShoff; /* Section header file offset. */
uInt32 eFlags; /* Architecture-specific flags. */
uInt16 eEhsize; /* Size of ELF header in bytes. */
uInt16 ePhentsize; /* Size of program header entry. */
uInt16 ePhnum; /* Number of program header entries. */
uInt16 eShentsize; /* Size of section header entry. */
uInt16 eShnum; /* Number of section header entries. */
uInt16 eShstrndx; /* Section name strings section. */
} elfHeader;
typedef struct {
uInt32 phType; /* Entry type. */
uInt32 phOffset; /* File offset of contents. */
uInt32 phVaddr; /* Virtual address in memory image. */
uInt32 phPaddr; /* Physical address (not used). */
uInt32 phFilesz; /* Size of contents in file. */
uInt32 phMemsz; /* Size of contents in memory. */
uInt32 phFlags; /* Access permission flags. */
uInt32 phAlign; /* Alignment in memory and file. */
} elfProgramHeader;
typedef struct {
uInt32 shName; /* Section name (index into the section header string table). */
uInt32 shType; /* Section type. */
uInt32 shFlags; /* Section flags. */
uInt32 shAddr; /* Address in memory image. */
uInt32 shOffset; /* Offset in file. */
uInt32 shSize; /* Size in bytes. */
uInt32 shLink; /* Index of a related section. */
uInt32 shInfo; /* Depends on section type. */
uInt32 shAddralign; /* Alignment in bytes. */
uInt32 shEntsize; /* Size of each entry in section. */
} elfSectionHeader;
typedef struct {
uInt32 pltOffset;
uInt32 pltInfo;
} elfPltInfo;
typedef struct {
uInt32 dynName;
uInt32 dynValue;
uInt32 dynSize;
uInt32 dynInfo;
} elfDynSym;
typedef struct {
uInt32 dynVal;
uInt32 dynPtr;
} elfDynamic;
typedef struct {
int32_t execfd;
uint32_t phdr;
uint32_t phent;
uint32_t phnum;
uint32_t pagesz;
uint32_t base;
uint32_t flags;
uint32_t entry;
uint32_t trace;
} Elf_Auxargs;
char *elfGetShType( int );
char *elfGetPhType( int );
char *elfGetRelType( int );
int elf_loadfile( kTask_t *p, const char *file, uint32_t *addr, uint32_t *entry );
#define ELF32_R_SYM(i) ((i)>>8)
#define ELF32_R_TYPE(i) ((unsigned char)(i))
#define ELF32_R_INFO(s, t) ((s)<<8+(unsigned char)(t))
#endif
/***
$Log: elf.h,v $
Revision 1.2 2006/12/15 15:43:46 reddawg
Changes
Revision 1.1.1.1 2006/06/01 12:46:13 reddawg
ubix2
Revision 1.2 2005/10/12 00:13:37 reddawg
Removed
Revision 1.1.1.1 2005/09/26 17:23:54 reddawg
no message
Revision 1.7 2004/09/11 01:20:08 apwillia
Clean up 'Unhandled Header' printfs when compiled in linux
Revision 1.6 2004/06/16 14:04:51 reddawg
Renamed a typedef
Revision 1.5 2004/06/14 12:20:54 reddawg
notes: many bugs repaired and ld works 100% now.
Revision 1.4 2004/06/12 01:27:26 reddawg
shared objects: yes we almost fully support shared objects
Revision 1.3 2004/05/21 15:20:00 reddawg
Cleaned up
END
***/
Charlie Root