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Document EI_OSABI and EI_ABIVERSION.

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Requested by: obrien
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asmodai 2000-11-24 10:42:21 +00:00
parent bef994a037
commit 3b66620c2d
1 changed files with 44 additions and 1 deletions
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share/man/man5/elf.5
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@ -166,7 +166,7 @@ and may contain values which start with the prefix
.Sy ELF .
The following macros are defined:
.Pp
.Bl -tag -width "EI_VERSION" -compact
.Bl -tag -width "EI_ABIVERSION" -compact
.It Dv EI_MAG0
The first byte of the magic number.
It must be filled with
@ -218,6 +218,49 @@ Invalid version.
.It Dv EV_CURRENT
Current version.
.El
.It Dv EI_OSABI
This byte identifies the operating system
and ABI to which the object is targeted.
Some fields in other ELF structures have flags
and values that have platform specific meanings;
the interpretation of those fields is determined by the value of this byte.
The following values are currently defined:
.Pp
.Bl -tag -width "ELFOSABI_STANDALONE" -compact
.It Dv ELFOSABI_SYSV
UNIX System V ABI.
.It Dv ELFOSABI_HPUX
HP-UX operating system ABI.
.It Dv ELFOSABI_NETBSD
NetBSD operating system ABI.
.It Dv ELFOSABI_LINUX
GNU/Linux operating system ABI.
.It Dv ELFOSABI_HURD
GNU/Hurd operating system ABI.
.It Dv ELFOSABI_86OPEN
86Open Common IA32 ABI.
.It Dv ELFOSABI_SOLARIS
Solaris operating system ABI.
.It Dv ELFOSABI_MONTEREY
Monterey project ABI.
.It Dv ELFOSABI_IRIX
IRIX operating system ABI.
.It Dv ELFOSABI_FREEBSD
FreeBSD operating system ABI.
.It Dv ELFOSABI_TRU64
TRU64 UNIX operating system ABI.
.It Dv ELFOSABI_ARM
ARM architecture ABI.
.It Dv ELFOSABI_STANDALONE
Standalone (embedded) ABI.
.El
.It Dv EI_ABIVERSION
This byte identifies the version of the ABI
to which the object is targeted.
This field is used to distinguish among incompatible versions of an ABI.
The interpretation of this version number
is dependent on the ABI identified by the EI_OSABI field.
Applications conforming to this specification use the value 0.
.It Dv EI_PAD
Start of padding.
These bytes are reserved and set to zero.