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| author | Chris Demetriou <cgd@google.com> | 2009-04-29 17:24:27 +0000 |
|---|---|---|
| committer | Chris Demetriou <cgd@google.com> | 2009-04-29 17:24:27 +0000 |
| commit | 267e27229efe6d0edd002c87fc02598588503948 (patch) | |
| tree | fb873c5cabcd8d6c3b8e51843a9c1f63a82bbed8 /ld/ld.texinfo | |
| parent | 3ea7450594d97c3741e3be6d8b131011379e5860 (diff) | |
| download | gdb-267e27229efe6d0edd002c87fc02598588503948.zip gdb-267e27229efe6d0edd002c87fc02598588503948.tar.gz gdb-267e27229efe6d0edd002c87fc02598588503948.tar.bz2 | |
[ld/ChangeLog]
2009-04-29 Chris Demetriou <cgd@google.com>
* lexsup.c (option_values): Add OPTION_NO_EXPORT_DYNAMIC.
(ld_options): Likewise.
(parse_args): Likewise.
* ld.texinfo: Document --no-export-dynamic.
* NEWS: Mention --no-export-dynamic.
[ld/testsuite/ChangeLog]
2009-04-29 Chris Demetriou <cgd@google.com>
* ld-elfvers/vers.exp (vers4b): New test to verify that
--no-export-dynamic undoes --export-dynamic.
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 5a88242..77846d5 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -491,15 +491,19 @@ regardless of this option. @cindex dynamic symbol table @kindex -E @kindex --export-dynamic +@kindex --no-export-dynamic @item -E @itemx --export-dynamic -When creating a dynamically linked executable, add all symbols to the -dynamic symbol table. The dynamic symbol table is the set of symbols -which are visible from dynamic objects at run time. - -If you do not use this option, the dynamic symbol table will normally -contain only those symbols which are referenced by some dynamic object -mentioned in the link. +@itemx --no-export-dynamic +When creating a dynamically linked executable, using the @option{-E} +option or the @option{--export-dynamic} option causes the linker to add +all symbols to the dynamic symbol table. The dynamic symbol table is the +set of symbols which are visible from dynamic objects at run time. + +If you do not use either of these options (or use the +@option{--no-export-dynamic} option to restore the default behavior), the +dynamic symbol table will normally contain only those symbols which are +referenced by some dynamic object mentioned in the link. If you use @code{dlopen} to load a dynamic object which needs to refer back to the symbols defined by the program, rather than some other |