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openairinterface5g/openair1/USERSPACE_TOOLS/OAI_FW_INIT/elf.h
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Cedric Roux 56c66c09aa - Fix: avoid infinite loop on mulitcast read thread if no data to read 
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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2013-06-25 09:05:02 +00:00

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/*============================================================================
File: elf.h
Include file for ELF file. Defines both 32-/64-bit files.
Copyright Hewlett-Packard Co. 1996. All rights reserved.
============================================================================*/
#ifndef ELF_INCLUDED
#define ELF_INCLUDED
#include "elftypes.h"
#ifdef __cplusplus
extern "C" {
#endif
/*============================================================================
Constant values for the sizes of fundamental types
============================================================================*/
#define ELF64_FSZ_ADDR 8
#define ELF64_FSZ_HALF 2
#define ELF64_FSZ_OFF 8
#define ELF64_FSZ_SWORD 4
#define ELF64_FSZ_WORD 4
#define ELF64_FSZ_SXWORD 8
#define ELF64_FSZ_XWORD 8
#define ELF32_FSZ_ADDR 4
#define ELF32_FSZ_HALF 2
#define ELF32_FSZ_OFF 4
#define ELF32_FSZ_SWORD 4
#define ELF32_FSZ_WORD 4
#define ELF32_FSZ_XWORD 4
/*============================================================================
The EI_* macros define indices into the e_ident[] array of the
ElfXX_Ehdr structure.
============================================================================*/
#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 /* OS/ABI identification */
#define EI_ABIVERSION 8 /* ABI version */
#define EI_PAD 9 /* Start of padding bytes */
#define EI_NIDENT 16 /* Size of e_ident[] */
/*============================================================================
ElfXX_Ehdr - ELF file header structure.
============================================================================*/
typedef struct {
unsigned char e_ident[EI_NIDENT]; /* ELF identification */
Elf64_Half e_type; /* Object file type */
Elf64_Half e_machine; /* Machine type */
Elf64_Word e_version; /* Object file version */
Elf64_Addr e_entry; /* Entry point address */
Elf64_Off e_phoff; /* Program header offset */
Elf64_Off e_shoff; /* Section header offset */
Elf64_Word e_flags; /* Processor-specific flags */
Elf64_Half e_ehsize; /* ELF header size */
Elf64_Half e_phentsize; /* Size of program header entry */
Elf64_Half e_phnum; /* Number of program header entries */
Elf64_Half e_shentsize; /* Size of section header entry */
Elf64_Half e_shnum; /* Number of section header entries */
Elf64_Half e_shstrndx; /* Section name string table index */
} Elf64_Ehdr;
typedef struct {
unsigned char e_ident[EI_NIDENT]; /*16/ ELF "magic number" */
Elf32_Half e_type; /* 2/ Identifies object file type */
Elf32_Half e_machine; /* 2/ Specifies required architecture */
Elf32_Word e_version; /* 4/ Identifies object file version */
Elf32_Addr e_entry; /* 4/ Entry point virtual address */
Elf32_Off e_phoff; /* 4/ Program header table file offset */
Elf32_Off e_shoff; /* 4/ Section header table file offset */
Elf32_Word e_flags; /* 4/ Processor-specific flags */
Elf32_Half e_ehsize; /* 2/ ELF header size in bytes */
Elf32_Half e_phentsize; /* 2/ Program header table entry size */
Elf32_Half e_phnum; /* 2/ Program header table entry count */
Elf32_Half e_shentsize; /* 2/ Section header table entry size */
Elf32_Half e_shnum; /* 2/ Section header table entry count */
Elf32_Half e_shstrndx; /* 2/ Section header string table index */
} Elf32_Ehdr;
/*============================================================================
The ELFCLASS* macros are the defined values of e_ident[EI_CLASS].
============================================================================*/
#define ELFCLASSNONE 0 /* Invalid class */
#define ELFCLASS32 1 /* 32-bit objects */
#define ELFCLASS64 2 /* 64-bit objects */
#define ELFCLASS64_A 200 /* 64-bit objects (interim definition) */
/*============================================================================
The ELFDATA* macros are the allowed values of e_ident[EI_DATA].
============================================================================*/
#define ELFDATANONE 0 /* Invalid data encoding */
#define ELFDATA2LSB 1 /* 2's complement, LSB at lowest byte address */
#define ELFDATA2MSB 2 /* 2's complement, MSB at lowest byte address */
/*============================================================================
The ELFOSIABI* macros are the allowed values of e_ident[EI_OSABI].
============================================================================*/
#define ELFOSABI_SYSV 0 /* System V ABI, third edition, no checking */
#define ELFOSABI_HPUX 1 /* HP-UX operating system */
#define ELFOSABI_STANDALONE 255 /* STANDALONE operating system */
/*============================================================================
The ELFABIVERSION* macros are the allowed values of e_ident[EI_ABIVERSION].
============================================================================*/
#define ELFABI_HPUX_NONE 0 /* None specified */
#define ELFABI_HPUX_REL11 1
/*============================================================================
The ET_* macros define the values of the e_type field of the ElfXX_Ehdr
structure.
============================================================================*/
#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 /* OS-specific lowest value */
#define ET_HIOS 0xfeff /* OS-specific highest value */
#define ET_LOPROC 0xff00 /* Processor-specific lowest value */
#define ET_HIPROC 0xffff /* Processor-specific highest value */
/*============================================================================
The EV_* macros are the allowed values of the e_version field of
ElfXX_Ehdr;
============================================================================*/
#define EV_NONE 0 /* Invalid version */
#define EV_CURRENT 1 /* Current version */
/*============================================================================
The ELFMAG* macros are the values of e_ident[EI_MAG0-4]
============================================================================*/
#define ELFMAG0 0x7f /* magic number, byte 0 */
#define ELFMAG1 'E' /* magic number, byte 1 */
#define ELFMAG2 'L' /* magic number, byte 2 */
#define ELFMAG3 'F' /* magic number, byte 3 */
#define ELFMAG "\177ELF" /* magic string */
#define SELFMAG 4 /* magic string length */
/*============================================================================
ElfXX_Phdr - program header structure. Element of the array of
program headers.
============================================================================*/
typedef struct {
Elf64_Word p_type; /* Type of segment */
Elf64_Word p_flags; /* Segment attributes */
Elf64_Off p_offset; /* Offset in file */
Elf64_Addr p_vaddr; /* Virtual address in memory */
Elf64_Addr p_paddr; /* Reserved */
Elf64_Xword p_filesz; /* Size of segment in file */
Elf64_Xword p_memsz; /* Size of segment in memory */
Elf64_Xword p_align; /* Alignment of segment */
} Elf64_Phdr;
typedef struct {
Elf32_Word p_type; /* Type of segment */
Elf32_Off p_offset; /* Offset in file */
Elf32_Addr p_vaddr; /* Virtual address in memory */
Elf32_Addr p_paddr; /* Reserved */
Elf32_Xword p_filesz; /* Size of segment in file */
Elf32_Xword p_memsz; /* Size of segment in memory */
Elf32_Word p_flags; /* Segment attributes */
Elf32_Xword p_align; /* Alignment of segment */
} Elf32_Phdr;
/*============================================================================
The PF_* macros are the segment flag bits in p_flags of ElfXX_Phdr.
============================================================================*/
#define PF_X 0x1 /* Execute */
#define PF_W 0x2 /* Write */
#define PF_R 0x4 /* Read */
#define PF_MASKOS 0x0ff00000 /* OS-specific */
#define PF_MASKPROC 0xf0000000 /* Processor-specific */
/*============================================================================
The PT_* macros are the values of p_type in ElfXX_Phdr.
============================================================================*/
#define PT_NULL 0 /* Array element is unused. Ignore. */
#define PT_LOAD 1 /* Loadable segment. */
#define PT_DYNAMIC 2 /* Dynamic Section */
#define PT_INTERP 3 /* Section is a path to an interpreter */
#define PT_NOTE 4 /* Note Section */
#define PT_SHLIB 5 /* Currently unspecified semantics */
#define PT_PHDR 6 /* Program header table. */
#define PT_LOOS 0x60000000 /* Lowest OS-specific type */
#define PT_HIOS 0x6fffffff /* Highest OS-specific type */
#define PT_LOPROC 0x70000000 /* Lowest Processor-specific type */
#define PT_HIPROC 0x7fffffff /* Highest Processor-specific type */
/*============================================================================
ElfXX_Shdr - structure for an ELF section header. Element of the array
of section headers.
============================================================================*/
typedef struct {
Elf64_Word sh_name; /* Section name */
Elf64_Word sh_type; /* Section type */
Elf64_Xword sh_flags; /* Section attributes */
Elf64_Addr sh_addr; /* Virtual address in memory */
Elf64_Off sh_offset; /* Offset in file */
Elf64_Xword sh_size; /* Size of section */
Elf64_Word sh_link; /* Link to other section */
Elf64_Word sh_info; /* Miscellaneous information */
Elf64_Xword sh_addralign; /* Address alignment boundary */
Elf64_Xword sh_entsize; /* Entry size, if section has table */
} Elf64_Shdr;
typedef struct {
Elf32_Word sh_name; /* Section name */
Elf32_Word sh_type; /* Section type */
Elf32_Xword sh_flags; /* Section attributes */
Elf32_Addr sh_addr; /* Virtual address in memory */
Elf32_Off sh_offset; /* Offset in file */
Elf32_Xword sh_size; /* Size of section */
Elf32_Word sh_link; /* Link to other section */
Elf32_Word sh_info; /* Miscellaneous information */
Elf32_Xword sh_addralign; /* Address alignment boundary*/
Elf32_Xword sh_entsize; /* Entry size, if section has table */
} Elf32_Shdr;
/*============================================================================
The ELF_STRING_xxx macros are names of common sections
============================================================================*/
#define ELF_STRING_bss ".bss"
#define ELF_STRING_hbss ".hbss"
#define ELF_STRING_sbss ".sbss"
#define ELF_STRING_tbss ".tbss"
#define ELF_STRING_data ".data"
#define ELF_STRING_hdata ".hdata"
#define ELF_STRING_sdata ".sdata"
#define ELF_STRING_fini ".fini"
#define ELF_STRING_init ".init"
#define ELF_STRING_interp ".interp"
#define ELF_STRING_rodata ".rodata"
#define ELF_STRING_text ".text"
#define ELF_STRING_comment ".comment"
#define ELF_STRING_dynamic ".dynamic"
#define ELF_STRING_dynstr ".dynstr"
#define ELF_STRING_dynsym ".dynsym"
#define ELF_STRING_dlt ".dlt"
#define ELF_STRING_note ".note"
#define ELF_STRING_opd ".opd"
#define ELF_STRING_plt ".plt"
#define ELF_STRING_bss_rela ".rela.bss"
#define ELF_STRING_hbss_rela ".rela.hbss"
#define ELF_STRING_data_rela ".rela.data"
#define ELF_STRING_dlt_rela ".rela.dlt"
#define ELF_STRING_plt_rela ".rela.plt"
#define ELF_STRING_sdata_rela ".rela.sdata"
#define ELF_STRING_strtab ".strtab"
#define ELF_STRING_symtab ".symtab"
#define ELF_STRING_hash ".hash"
#define ELF_STRING_shstrtab ".shstrtab"
#define ELF_STRING_shsymtab ".shsymtab"
#define ELF_STRING_rela ".rela"
#define ELF_STRING_rel ".rel"
/*============================================================================
The SHF_* macros are the allowed values of the sh_flags field of
ElfXX_Shdr. These 1-bit flags define attributes of a section.
============================================================================*/
#define SHF_WRITE 0x1 /* Writable during execution */
#define SHF_ALLOC 0x2 /* Occupies memory during execution */
#define SHF_EXECINSTR 0x4 /* Contains executable instructions */
#define SHF_MASKPROC 0xf0000000 /* mask for processor-specific bits */
/*============================================================================
SHN_* macros are reserved section header indices. An object file will
not have sections for these special indices.
============================================================================*/
#define SHN_UNDEF 0 /* undefined, e.g. undefined symbol */
#define SHN_LORESERVE 0xff00 /* Lower bound of reserved indices */
#define SHN_LOPROC 0xff00 /* Lower bound processor-specific index */
#define SHN_HIPROC 0xff1f/* Upper bound processor-specific index */
#define SHN_LOOS 0xff20 /* Lower bound OS-specific index */
#define SHN_HIOS 0xff3f /* Upper bound OS-specific index */
#define SHN_ABS 0xfff1 /* Absolute value, not relocated */
#define SHN_COMMON 0xfff2/* FORTRAN common or unallocated C */
#define SHN_HIRESERVE 0xffff /* Upper bound of reserved indices */
/*============================================================================
SHT_* macros are the values of sh_type in ElfXX_Shdr
============================================================================*/
#define SHT_NULL 0 /* Inactive section header */
#define SHT_PROGBITS 1 /* Information defined by the program */
#define SHT_SYMTAB 2 /* Symbol table - not DLL */
#define SHT_STRTAB 3 /* String table */
#define SHT_RELA 4 /* Explicit addend relocations, Elf64_Rela */
#define SHT_HASH 5 /* Symbol hash table */
#define SHT_DYNAMIC 6 /* Information for dynamic linking */
#define SHT_NOTE 7 /* A Note section */
#define SHT_NOBITS 8 /* Like SHT_PROGBITS with no data */
#define SHT_REL 9 /* Implicit addend relocations, Elf64_Rel */
#define SHT_SHLIB 10 /* Currently unspecified semantics */
#define SHT_DYNSYM 11 /* Symbol table for a DLL */
#define SHT_LOOS 0x60000000 /* Lowest OS-specific section type */
#define SHT_HIOS 0x6fffffff /* Highest OS-specific section type */
#define SHT_LOPROC 0x70000000 /* Lowest processor-specific section type */
#define SHT_HIPROC 0x7fffffff /* Highest processor-specific section type */
/*============================================================================
ElfXX_Sym - ELF symbol structure.
============================================================================*/
typedef struct {
Elf64_Word st_name; /* Symbol name */
unsigned char st_info; /* Type and Binding attributes */
unsigned char st_other; /* Reserved */
Elf64_Half st_shndx; /* Section table index */
Elf64_Addr st_value; /* Symbol value */
Elf64_Xword st_size; /* Size of object (e.g., common) */
} Elf64_Sym;
typedef struct {
Elf32_Word st_name; /* Symbol name */
Elf32_Addr st_value; /* Symbol value */
Elf32_Xword st_size; /* Size of object (e.g., common) */
unsigned char st_info; /* Type and Binding attributes */
unsigned char st_other; /* Reserved */
Elf32_Half st_shndx; /* Section table index */
} Elf32_Sym;
/*============================================================================
The ELFXX_ST_* macros operate on the st_info field of ElfXX_Sym
to extract binding attributes, type information and how to build
an st_info value from binding and type information.
============================================================================*/
#define ELF64_ST_BIND(val) ((val) >> 4)
#define ELF64_ST_TYPE(val) ((val) & 0xf)
#define ELF64_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xf))
#define ELF32_ST_BIND(val) ((val) >> 4)
#define ELF32_ST_TYPE(val) ((val) & 0xf)
#define ELF32_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xf))
/*============================================================================
STN_UNDEF (zero) designeates the first entry in the symbol table and serves
as the undefined symbol index.
============================================================================*/
#define STN_UNDEF 0
/*============================================================================
The STB_* macros are the defined values of the binding information part
of st_info in ElfXX_Sym.
============================================================================*/
#define STB_LOCAL 0 /* Local symbols */
#define STB_GLOBAL 1 /* Globally visible symbols */
#define STB_WEAK 2 /* Global symbols with lower precedence */
#define STB_LOOS 10 /* Lowest OS-specific value */
#define STB_HIOS 12 /* Highest OS-specific value */
#define STB_LOPROC 13 /* Lowest processor-specific value */
#define STB_HIPROC 15 /* Highest processor-specific value */
/*===========================================================================
The STT_* macros are the allowed values of the type information part of
st_info in ElfXX_Sym.
============================================================================*/
#define STT_NOTYPE 0 /* Undefined symbol type */
#define STT_OBJECT 1 /* A data object, variable, array, etc. */
#define STT_FUNC 2 /* A function or other executable code */
#define STT_SECTION 3 /* Symbol associated with a section */
#define STT_FILE 4 /* Typically the name of the source file */
#define STT_LOOS 10 /* Lowest OS-specific symbol type */
#define STT_HIOS 12 /* Highest OS-specific symbol type */
#define STT_LOPROC 13 /* Lowest processor-specific symbol type */
#define STT_HIPROC 15 /* Highest processor-specific symbol type */
/*============================================================================
ElfXX_Rel - ELF relocation without an explicit addend.
============================================================================*/
typedef struct {
Elf64_Addr r_offset; /* Address of reference */
Elf64_Xword r_info; /* Symbol index, relocation type */
} Elf64_Rel;
typedef struct {
Elf32_Addr r_offset; /* Address of reference */
Elf32_Xword r_info; /* Symbol index, reloc. type */
} Elf32_Rel;
/*============================================================================
ElfXX_Rela - ELF relocation with an explicit addend.
============================================================================*/
typedef struct {
Elf64_Addr r_offset; /* Address of reference */
Elf64_Xword r_info; /* Symbol index, relocation type */
Elf64_Sxword r_addend; /* Constant part of expression */
} Elf64_Rela;
typedef struct {
Elf32_Addr r_offset; /* Address of reference */
Elf32_Xword r_info; /* Symbol index, reloc. type */
Elf32_Sword r_addend; /* Constant part of expression */
} Elf32_Rela;
/*============================================================================
The ELFXX_R_* macros show how to extract the type and index parts
of r_info in ElfXX_Rel and ElfXX_Rela and how to build r_info
from a symbol index and type.
============================================================================*/
#define ELF64_R_INFO(sym,type) \
((((Elf64_Addr) (sym)) << 32) + ((Elf64_Addr) (type)))
#define ELF64_R_SYM(info) \
((Elf64_Sword) (((Elf64_Addr) (info)) >> 32))
#define ELF64_R_TYPE(info) \
((Elf64_Word) (((Elf64_Addr) (info)) & 0xffffffffLL))
#define ELF32_R_INFO(sym,type) (((sym) << 8) + ((unsigned char) (type)))
#define ELF32_R_SYM(info) ((info) >> 8)
#define ELF32_R_TYPE(info) ((unsigned char) (info))
/*============================================================================
ElfXX_Dyn - dynamic array entry.
============================================================================*/
typedef struct {
Elf32_Sword d_tag;
union {
Elf32_Word d_val; /* unsigned word */
Elf32_Addr d_ptr; /* address */
} d_un;
} Elf32_Dyn;
extern Elf32_Dyn _DYNAMIC32[];
typedef struct {
Elf64_Sxword d_tag;
union {
Elf64_Xword d_val; /* unsigned word */
Elf64_Addr d_ptr; /* address */
} d_un;
} Elf64_Dyn;
extern Elf64_Dyn _DYNAMIC[];
/*============================================================================
The DT_* defines are the allowed values of d_tag in ElfXX_dyn.
These are the Dynamic Array types.
============================================================================*/
/* (i)gnore (m)andatory (o)ptional */
/* d_un Exec DLL */
/* ---- ---- --- */
#define DT_NULL 0 /* ignored m m */
#define DT_NEEDED 1 /* d_val o o */
#define DT_PLTRELSZ 2 /* d_val o o */
#define DT_PLTGOT 3 /* d_ptr o o */
#define DT_HASH 4 /* d_ptr m m */
#define DT_STRTAB 5 /* d_ptr m m */
#define DT_SYMTAB 6 /* d_ptr m m */
#define DT_RELA 7 /* d_ptr m o */
#define DT_RELASZ 8 /* d_val m o */
#define DT_RELAENT 9 /* d_val m o */
#define DT_STRSZ 10 /* d_val m m */
#define DT_SYMENT 11 /* d_val m m */
#define DT_INIT 12 /* d_ptr o o */
#define DT_FINI 13 /* d_ptr o o */
#define DT_SONAME 14 /* d_val i o */
#define DT_RPATH 15 /* d_val o i */
#define DT_SYMBOLIC 16 /* ignored i o */
#define DT_REL 17 /* d_ptr m o */
#define DT_RELSZ 18 /* d_val m o */
#define DT_RELENT 19 /* d_val m o */
#define DT_PLTREL 20 /* d_val o o */
#define DT_DEBUG 21 /* d_ptr o i */
#define DT_TEXTREL 22 /* ignored o o */
#define DT_JMPREL 23 /* d_ptr o o */
#define DT_BIND_NOW 24 /* ignored */
#define DT_INIT_ARRAY 25 /* d_ptr o o */
#define DT_FINI_ARRAY 26 /* d_ptr o o */
#define DT_INIT_ARRAYSZ 27 /* d_val o o */
#define DT_FINI_ARRAYSZ 28 /* d_val o o */
#define DT_LOOS 0x60000000 /* unspecified - OS specific */
#define DT_HIOS 0x6fffffff /* unspecified - OS specific */
#define DT_LOPROC 0x70000000 /* unspecified - processor specific */
#define DT_HIPROC 0x7fffffff /* unspecified - processor specific */
#ifndef _HP_NO_ELF_DEPRICATED
/* These defines have been depricated and will be removed in a future release.*/
#define ELFOSABI_NONE 0 /* None specified */
#define ELFOSABI_NT 2 /* NT operating system */
#define ELFOSABI_SCOUNIX 3 /* SCO UNIX operating system */
#define SHF_COMDAT 0x8 /* Is a member of a COMDAT group */
#define SHT_COMDAT 12 /* COMDAT group directory -> SHT_HP_COMDAT */
#endif /* ifndef _HP_NO_ELF_DEPRICATED */
#ifdef __cplusplus
}
#endif /* ifndef _HP_NO_ELF_DEPRICATED */
#if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_PARISC)
#include <elf_parisc.h>
#endif
#endif /* ELF_INCLUDED */
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