view release on metacpan or  search on metacpan

src/elf.h  view on Meta::CPAN

#define DT_REL          17              /* Address of Rel relocs */
#define DT_RELSZ        18              /* Total size of Rel relocs */
#define DT_RELENT       19              /* Size of one Rel reloc */
#define DT_PLTREL       20              /* Type of reloc in PLT */
#define DT_DEBUG        21              /* For debugging; unspecified */
#define DT_TEXTREL      22              /* Reloc might modify .text */
#define DT_JMPREL       23              /* Address of PLT relocs */
#define DT_BIND_NOW     24              /* Process relocations of object */
#define DT_INIT_ARRAY   25              /* Array with addresses of init fct */
#define DT_FINI_ARRAY   26              /* Array with addresses of fini fct */
#define DT_INIT_ARRAYSZ 27              /* Size in bytes of DT_INIT_ARRAY */
#define DT_FINI_ARRAYSZ 28              /* Size in bytes of DT_FINI_ARRAY */
#define DT_NUM          29              /* Number used */
#define DT_LOOS         0x60000000      /* Start of OS-specific */
#define DT_HIOS         0x6fffffff      /* End of OS-specific */
#define DT_LOPROC       0x70000000      /* Start of processor-specific */
#define DT_HIPROC       0x7fffffff      /* End of processor-specific */
#define DT_PROCNUM      DT_MIPS_NUM     /* Most used by any processor */

/* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the
   Dyn.d_un.d_val field of the Elf*_Dyn structure.  This follows Sun's
   approach.  */
#define DT_VALRNGLO     0x6ffffd00
#define DT_POSFLAG_1    0x6ffffdfd      /* Flags for DT_* entries, effecting
                                           the following DT_* entry.  */
#define DT_SYMINSZ      0x6ffffdfe      /* Size of syminfo table (in bytes) */
#define DT_SYMINENT     0x6ffffdff      /* Entry size of syminfo */
#define DT_VALRNGHI     0x6ffffdff

/* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the
   Dyn.d_un.d_ptr field of the Elf*_Dyn structure.

   If any adjustment is made to the ELF object after it has been
   built these entries will need to be adjusted.  */
#define DT_ADDRRNGLO    0x6ffffe00
#define DT_SYMINFO      0x6ffffeff      /* syminfo table */
#define DT_ADDRRNGHI    0x6ffffeff

/* The versioning entry types.  The next are defined as part of the
   GNU extension.  */
#define DT_VERSYM       0x6ffffff0

/* These were chosen by Sun.  */
#define DT_FLAGS_1      0x6ffffffb      /* State flags, see DF_1_* below.  */
#define DT_VERDEF       0x6ffffffc      /* Address of version definition
                                           table */
#define DT_VERDEFNUM    0x6ffffffd      /* Number of version definitions */
#define DT_VERNEED      0x6ffffffe      /* Address of table with needed
                                           versions */
#define DT_VERNEEDNUM   0x6fffffff      /* Number of needed versions */
#define DT_VERSIONTAGIDX(tag)   (DT_VERNEEDNUM - (tag)) /* Reverse order! */
#define DT_VERSIONTAGNUM 16

/* Sun added these machine-independent extensions in the "processor-specific"
   range.  Be compatible.  */
#define DT_AUXILIARY    0x7ffffffd      /* Shared object to load before self */
#define DT_FILTER       0x7fffffff      /* Shared object to get values from */
#define DT_EXTRATAGIDX(tag)     ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1)
#define DT_EXTRANUM     3

/* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1
   entry in the dynamic section.  */
#define DF_1_NOW        0x00000001      /* Set RTLD_NOW for this object.  */
#define DF_1_GLOBAL     0x00000002      /* Set RTLD_GLOBAL for this object.  */
#define DF_1_GROUP      0x00000004      /* Set RTLD_GROUP for this object.  */
#define DF_1_NODELETE   0x00000008      /* Set RTLD_NODELETE for this object.*/
#define DF_1_LOADFLTR   0x00000010      /* Trigger filtee loading at runtime.*/
#define DF_1_INITFIRST  0x00000020      /* Set RTLD_INITFIRST for this object*/
#define DF_1_NOOPEN     0x00000040      /* Set RTLD_NOOPEN for this object.  */

/* Version definition sections.  */

typedef struct
{
  Elf32_Half    vd_version;             /* Version revision */
  Elf32_Half    vd_flags;               /* Version information */
  Elf32_Half    vd_ndx;                 /* Version Index */
  Elf32_Half    vd_cnt;                 /* Number of associated aux entries */
  Elf32_Word    vd_hash;                /* Version name hash value */
  Elf32_Word    vd_aux;                 /* Offset in bytes to verdaux array */
  Elf32_Word    vd_next;                /* Offset in bytes to next verdef
                                           entry */
} Elf32_Verdef;

typedef struct
{
  Elf64_Half    vd_version;             /* Version revision */
  Elf64_Half    vd_flags;               /* Version information */
  Elf64_Half    vd_ndx;                 /* Version Index */
  Elf64_Half    vd_cnt;                 /* Number of associated aux entries */
  Elf64_Word    vd_hash;                /* Version name hash value */
  Elf64_Word    vd_aux;                 /* Offset in bytes to verdaux array */
  Elf64_Word    vd_next;                /* Offset in bytes to next verdef
                                           entry */
} Elf64_Verdef;


/* Legal values for vd_version (version revision).  */
#define VER_DEF_NONE    0               /* No version */
#define VER_DEF_CURRENT 1               /* Current version */
#define VER_DEF_NUM     2               /* Given version number */

/* Legal values for vd_flags (version information flags).  */
#define VER_FLG_BASE    0x1             /* Version definition of file itself */
#define VER_FLG_WEAK    0x2             /* Weak version identifier */

/* Auxialiary version information.  */

typedef struct
{
  Elf32_Word    vda_name;               /* Version or dependency names */
  Elf32_Word    vda_next;               /* Offset in bytes to next verdaux
                                           entry */
} Elf32_Verdaux;

typedef struct
{
  Elf64_Word    vda_name;               /* Version or dependency names */
  Elf64_Word    vda_next;               /* Offset in bytes to next verdaux
                                           entry */
} Elf64_Verdaux;