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Document extended program header numbering.

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This commit is contained in:
jkoshy 2006-12-15 16:12:07 +00:00
parent 1a27feb63e
commit 0798d56531
1 changed files with 13 additions and 6 deletions
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19
share/man/man5/elf.5
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@ -362,12 +362,19 @@ table; all entries are the same size.
.It Dv e_phnum
This member holds the number of entries in the program header
table.
Thus the product of
.Sy e_phentsize
and
If the file is using extended program header numbering, then the
.Sy e_phnum
gives the table's size
in bytes.
member will contain the value
.Dv PN_XNUM
and the actual number of program header table entries will be stored
in the
.Sy sh_info
member of the section header at index
.Dv SHN_UNDEF .
The product of
.Sy e_phentsize
and the number of program header table entries gives the program
header table's size in bytes.
If a file has no program header,
.Sy e_phnum
holds the value zero.
@ -379,7 +386,7 @@ entry in the section header table; all entries are the same size.
This member holds the number of entries in the section header table.
If the file is using extended section numbering, then the
.Sy e_shnum
field will be zero and the actual section number will be stored in the
member will be zero and the actual section number will be stored in the
.Sy sh_size
member of the section header at index
.Dv SHN_UNDEF .