* ld.h (args_type): Add filter_shlib and auxiliary_filter_shlib
fields.
* lexsup.c (parse_args): Recognize --auxiliary/-f and
--filter/-F.
* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
Pass filter_shlib and auxiliary_filter_shlib to
size_dynamic_sections.
* ld.texinfo, ld.1: Document --filter/-F and --auxiliary/-f.
This commit is contained in:
Ian Lance Taylor
parent
148437ec14
commit
de220cbdb9
3 changed files with 82 additions and 38 deletions
11
ld/ChangeLog
11
ld/ChangeLog
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@ -1,3 +1,14 @@
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Tue Dec 31 14:48:30 1996 Ian Lance Taylor <ian@cygnus.com>
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* ld.h (args_type): Add filter_shlib and auxiliary_filter_shlib
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fields.
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* lexsup.c (parse_args): Recognize --auxiliary/-f and
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--filter/-F.
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* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
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Pass filter_shlib and auxiliary_filter_shlib to
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size_dynamic_sections.
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* ld.texinfo, ld.1: Document --filter/-F and --auxiliary/-f.
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start-sanitize-v850
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Mon Dec 30 13:55:57 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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66
ld/ld.1
66
ld/ld.1
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@ -48,9 +48,17 @@ ld \- the GNU linker
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.RB "[\|" \-embedded\-relocs "\|]"
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.RB "[\|" \-E "\|]"
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.RB "[\|" \-export\-dynamic "\|]"
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.RB "[\|" \-F "\|]"
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.RB "[\|" "\-f\ "\c
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.I name\c
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\&\|]
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.RB "[\|" "\-\-auxiliary\ "\c
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.I name\c
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\&\|]
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.RB "[\|" "\-F\ "\c
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.I format\c
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.I name\c
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\&\|]
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.RB "[\|" "\-\-filter\ "\c
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.I name\c
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\&\|]
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.RB "[\|" "\-format\ "\c
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.I input-format\c
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@ -59,6 +67,12 @@ ld \- the GNU linker
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.RB "[\|" \-G
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.I size\c
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\&\|]
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.RB "[\|" "\-h\ "\c
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.I name\c
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\&\|]
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.RB "[\|" "\-soname\ "\c
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.I name\c
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\&\|]
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.RB "[\|" \-\-help "\|]"
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.RB "[\|" \-i "\|]"
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.RB "[\|" \-l\c
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@ -482,28 +496,24 @@ by a dynamic object. This option is needed for some uses of
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.I dlopen.
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.TP
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.B \-F
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.BI "-f " "name"
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.TP
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.BI "-F" "format"
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Some older linkers used this option throughout a compilation toolchain
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for specifying object-file format for both input and output object
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files. \c
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.B ld\c
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\&'s mechanisms (the \c
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.B \-b\c
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\& or \c
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.B \-format\c
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\& options
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for input files, the \c
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.B TARGET\c
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\& command in linker scripts for output
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files, the \c
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.B GNUTARGET\c
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\& environment variable) are more flexible, but
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but it accepts (and ignores) the \c
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.B \-F\c
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\& option flag for compatibility
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with scripts written to call the old linker.
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.BI "--auxiliary " "name"
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When creating an ELF shared object, set the internal DT_AUXILIARY field
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to the specified name. This tells the dynamic linker that the symbol
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table of the shared object should be used as an auxiliary filter on the
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symbol table of the shared object
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.I name.
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.TP
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.BI "-F " "name"
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.TP
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.BI "--filter " "name"
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When creating an ELF shared object, set the internal DT_FILTER field to
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the specified name. This tells the dynamic linker that the symbol table
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of the shared object should be used as a filter on the symbol table of
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the shared object
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.I name.
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.TP
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.BI "\-format " "input\-format"
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@ -524,6 +534,16 @@ to
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.I size
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under MIPS ECOFF. Ignored for other object file formats.
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.TP
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.BI "-h " "name"
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.TP
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.BI "-soname " "name"
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When creating an ELF shared object, set the internal DT_SONAME field to
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the specified name. When an executable is linked with a shared object
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which has a DT_SONAME field, then when the executable is run the dynamic
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linker will attempt to load the shared object specified by the DT_SONAME
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field rather than the using the file name given to the linker.
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.TP
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.B \-\-help
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Print a summary of the command-line options on the standard output and exit.
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@ -327,19 +327,31 @@ dynamic symbol table. Normally, the dynamic symbol table contains only
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symbols which are used by a dynamic object. This option is needed for
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some uses of @code{dlopen}.
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@ifclear SingleFormat
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@kindex -f
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@kindex --auxiliary
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@item -f
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@itemx --auxiliary @var{name}
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When creating an ELF shared object, set the internal DT_AUXILIARY field
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to the specified name. This tells the dynamic linker that the symbol
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table of the shared object should be used as an auxiliary filter on the
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symbol table of the shared object @var{name}.
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@kindex -F
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@item -F
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@itemx -F@var{format}
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Ignored. Some older linkers used this option throughout a compilation
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@kindex --filter
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@item -F @var{name}
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@itemx --filter @var{name}
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When creating an ELF shared object, set the internal DT_FILTER field to
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the specified name. This tells the dynamic linker that the symbol table
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of the shared object should be used as a filter on the symbol table of
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the shared object @var{name}.
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Some older linkers used the @code{-F} option throughout a compilation
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toolchain for specifying object-file format for both input and output
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object files. The mechanisms @code{ld} uses for this purpose (the
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@samp{-b} or @samp{--format} options for input files, @samp{--oformat}
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option or the @code{TARGET} command in linker scripts for output files,
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the @code{GNUTARGET} environment variable) are more flexible, but
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@code{ld} accepts the @samp{-F} option for compatibility with scripts
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written to call the old linker.
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@end ifclear
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object files. The @sc{gnu} linker uses other mechanisms for this
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purpose: the @code{-b}, @code{--format}, @code{--oformat} options, the
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@code{TARGET} command in linker scripts, and the @code{GNUTARGET}
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environment variable. The @sc{gnu} linker will ignore the @code{-F}
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option when not creating an ELF shared object.
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@kindex --force-exe-suffix
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@item --force-exe-suffix
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@ -3236,10 +3248,11 @@ the necessary information, such as the test case, on the assumption that
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a patch is all we need. We might see problems with your patch and decide
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to fix the problem another way, or we might not understand it at all.
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Sometimes with a program as complicated as @code{@value{AS}} it is very hard to
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construct an example that will make the program follow a certain path through
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the code. If you do not send us the example, we will not be able to construct
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one, so we will not be able to verify that the bug is fixed.
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Sometimes with a program as complicated as @code{ld} it is very hard to
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construct an example that will make the program follow a certain path
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through the code. If you do not send us the example, we will not be
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able to construct one, so we will not be able to verify that the bug is
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fixed.
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And if we cannot understand what bug you are trying to fix, or why your
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patch should be an improvement, we will not install it. A test case will
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