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| author | Dave Korn <dave.korn@artimi.com> | 2009-05-04 12:09:30 +0000 |
|---|---|---|
| committer | Dave Korn <dave.korn@artimi.com> | 2009-05-04 12:09:30 +0000 |
| commit | 09e2aba4327cd450908bed05c6e1d4d2dcb09b32 (patch) | |
| tree | 7de8a83faab244723b3ead159c4eb39065ae9e72 /ld/ld.texinfo | |
| parent | 67ce33d768510c7f826be66a2b4ea22c7caea801 (diff) | |
| download | gdb-09e2aba4327cd450908bed05c6e1d4d2dcb09b32.zip gdb-09e2aba4327cd450908bed05c6e1d4d2dcb09b32.tar.gz gdb-09e2aba4327cd450908bed05c6e1d4d2dcb09b32.tar.bz2 | |
bfd/ChangeLog
* elflink.c (find_version_for_sym): Remove from here, ...
* linker.c (bfd_find_version_for_sym): ... rename, replace
here, make public and update all callers.
* bfd-in2.h: Regenerate.
ld/ChangeLog
* NEWS: Mention new feature.
* ld.texinfo (--version-script): Document extent of PE support.
(WIN32): Mention --version-script. Extend auto-export description.
* pe-dll.c (process_def_file): Use version script info to filter
symbols from auto-export.
* testsuite/ld-pe/vers-script-1.d: New file.
* testsuite/ld-pe/vers-script-2.d: New file.
* testsuite/ld-pe/vers-script-3.d: New file.
* testsuite/ld-pe/vers-script-4.d: New file.
* testsuite/ld-pe/vers-script-1.ver: New file.
* testsuite/ld-pe/vers-script-2.ver: New file.
* testsuite/ld-pe/vers-script-3.ver: New file.
* testsuite/ld-pe/vers-script-4.ver: New file.
* testsuite/ld-pe/vers-script-dll.c: New file.
* testsuite/ld-pe/vers-script.exp: New test script.
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 77846d5..bdfa948 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -1816,8 +1816,11 @@ the linker script being used by the linker. Specify the name of a version script to the linker. This is typically used when creating shared libraries to specify additional information about the version hierarchy for the library being created. This option -is only meaningful on ELF platforms which support shared libraries. -@xref{VERSION}. +is only fully supported on ELF platforms which support shared libraries; +see @ref{VERSION}. It is partially supported on PE platforms, which can +use version scripts to filter symbol visibility in auto-export mode: any +symbols marked @samp{local} in the version script will not be exported. +@xref{WIN32}. @kindex --warn-common @cindex warnings, on combining symbols @@ -6582,9 +6585,19 @@ which is controlled by the following command line options: @item --exclude-symbols @item --exclude-libs @item --exclude-modules-for-implib +@item --version-script @end itemize -If, however, @samp{--export-all-symbols} is not given explicitly on the +When auto-export is in operation, @command{ld} will export all the non-local +(global and common) symbols it finds in a DLL, with the exception of a few +symbols known to belong to the system's runtime and libraries. As it will +often not be desirable to export all of a DLL's symbols, which may include +private functions that are not part of any public interface, the command-line +options listed above may be used to filter symbols out from the list for +exporting. The @samp{--output-def} option can be used in order to see the +final list of exported symbols with all exclusions taken into effect. + +If @samp{--export-all-symbols} is not given explicitly on the command line, then the default auto-export behavior will be @emph{disabled} if either of the following are true: |