-.\" Copyright (c) 1991, 92, 93, 94, 1995 Free Software Foundation
+.\" Copyright (c) 1991, 92, 93, 94, 95, 96, 1997 Free Software Foundation
.\" See section COPYING for conditions for redistribution
.TH ld 1 "17 August 1992" "cygnus support" "GNU Development Tools"
.de BP
.RB "[\|" "\-c\ "\c
.I commandfile\c
\&\|]
+.RB "[\|" \-\-cref "\|]"
.RB "[\|" \-d | \-dc | \-dp\c
\|]
.br
.I entry\c
\&\|]
.RB "[\|" \-embedded\-relocs "\|]"
-.RB "[\|" \-F "\|]"
+.RB "[\|" \-E "\|]"
+.RB "[\|" \-export\-dynamic "\|]"
+.RB "[\|" "\-f\ "\c
+.I name\c
+\&\|]
+.RB "[\|" "\-\-auxiliary\ "\c
+.I name\c
+\&\|]
.RB "[\|" "\-F\ "\c
-.I format\c
+.I name\c
+\&\|]
+.RB "[\|" "\-\-filter\ "\c
+.I name\c
\&\|]
.RB "[\|" "\-format\ "\c
.I input-format\c
.RB "[\|" \-G
.I size\c
\&\|]
+.RB "[\|" "\-h\ "\c
+.I name\c
+\&\|]
+.RB "[\|" "\-soname\ "\c
+.I name\c
+\&\|]
.RB "[\|" \-\-help "\|]"
.RB "[\|" \-i "\|]"
.RB "[\|" \-l\c
.RB "[\|" \-n | \-N "\|]"
.RB "[\|" \-noinhibit-exec "\|]"
.RB "[\|" \-no\-keep\-memory "\|]"
+.RB "[\|" \-no\-warn\-mismatch "\|]"
.RB "[\|" "\-oformat\ "\c
.I output-format\c
\&\|]
.RB "[\|" \-\-version "\|]"
.RB "[\|" \-warn\-common "\|]"
.RB "[\|" \-warn\-constructors "\|]"
+.RB "[\|" \-warn\-multiple\-gp "\|]"
.RB "[\|" \-warn\-once "\|]"
+.RB "[\|" \-warn\-section\-align "\|]"
.RB "[\|" \-\-whole\-archive "\|]"
+.RB "[\|" \-\-no\-whole\-archive "\|]"
+.RB "[\|" "\-\-wrap\ "\c
+.I symbol\c
+\&\|]
.RB "[\|" \-X "\|]"
.RB "[\|" \-x "\|]"
.ad b
.B }\c
\|' characters.
+.TP
+.B \-\-cref
+Output a cross reference table. If a linker map file is being
+generated, the cross reference table is printed to the map file.
+Otherwise, it is printed on the standard output.
+
.TP
.B \-d
.TP
testsuite/ld-empic for details.
.TP
-.B \-F
+.B \-E
.TP
-.BI "-F" "format"
-Some older linkers used this option throughout a compilation toolchain
-for specifying object-file format for both input and output object
-files. \c
-.B ld\c
-\&'s mechanisms (the \c
-.B \-b\c
-\& or \c
-.B \-format\c
-\& options
-for input files, the \c
-.B TARGET\c
-\& command in linker scripts for output
-files, the \c
-.B GNUTARGET\c
-\& environment variable) are more flexible, but
-but it accepts (and ignores) the \c
-.B \-F\c
-\& option flag for compatibility
-with scripts written to call the old linker.
+.B \-export\-dynamic
+When creating an ELF file, add all symbols to the dynamic symbol table.
+Normally, the dynamic symbol table contains only symbols which are used
+by a dynamic object. This option is needed for some uses of
+.I dlopen.
+
+.TP
+.BI "-f " "name"
+.TP
+.BI "--auxiliary " "name"
+When creating an ELF shared object, set the internal DT_AUXILIARY field
+to the specified name. This tells the dynamic linker that the symbol
+table of the shared object should be used as an auxiliary filter on the
+symbol table of the shared object
+.I name.
+
+.TP
+.BI "-F " "name"
+.TP
+.BI "--filter " "name"
+When creating an ELF shared object, set the internal DT_FILTER field to
+the specified name. This tells the dynamic linker that the symbol table
+of the shared object should be used as a filter on the symbol table of
+the shared object
+.I name.
.TP
.BI "\-format " "input\-format"
.I size
under MIPS ECOFF. Ignored for other object file formats.
+.TP
+.BI "-h " "name"
+.TP
+.BI "-soname " "name"
+When creating an ELF shared object, set the internal DT_SONAME field to
+the specified name. When an executable is linked with a shared object
+which has a DT_SONAME field, then when the executable is run the dynamic
+linker will attempt to load the shared object specified by the DT_SONAME
+field rather than the using the file name given to the linker.
+
.TP
.B \-\-help
Print a summary of the command-line options on the standard output and exit.
tables as necessary. This may be required if the linker runs out of
memory space while linking a large executable.
+.TP
+.B \-no\-warn\-mismatch
+Normally the linker will give an error if you try to link together
+input files that are mismatched for some reason, perhaps because they
+have been compiled for different processors or for different
+endiannesses. This option tells the linker that it should silently
+permit such possible errors. This option should only be used with
+care, in cases when you have taken some special action that ensures
+that the linker errors are inappropriate.
+
.TP
.BI "\-o " "output"
.I output\c
shared objects explicitly included in the link; see the description of
the
.B \-rpath\-link
-option.
+option. If
+.B \-rpath
+is not used when linking an ELF executable, the contents of the
+environment variable
+.B LD_RUN_PATH
+will be used if it is defined.
The
.B \-rpath
will form a runtime search patch out of all the
.B \-L
options it is given. If a
-.B \-rpath option is used, the runtime search path
-will be formed exclusively using the
+.B \-rpath
+option is used, the runtime search path will be formed exclusively
+using the
.B \-rpath
options, ignoring
the
few object file formats. For formats like COFF or ELF, the linker can
not detect the use of global constructors.
+.TP
+.B \-warn\-multiple\-gp
+Warn if the output file requires multiple global-pointer values. This
+option is only meaningful for certain processors, such as the Alpha.
+
.TP
.B \-warn\-once
Only warn once for each undefined symbol, rather than once per module
which refers to it.
+.TP
+.B \-warn\-section\-align
+Warn if the address of an output section is changed because of
+alignment. Typically, the alignment will be set by an input section.
+The address will only be changed if it not explicitly specified; that
+is, if the SECTIONS command does not specify a start address for the
+section.
+
.TP
.B \-\-whole\-archive
-For each archive mentioned on the command line, include every object
-file in the archive in the link, rather than searching the archive for
-the required object files. This is normally used to turn an archive
-file into a shared library, forcing every object to be included in the
-resulting shared library.
+For each archive mentioned on the command line after the
+.B \-\-whole\-archive
+option, include every object file in the archive in the link, rather
+than searching the archive for the required object files. This is
+normally used to turn an archive file into a shared library, forcing
+every object to be included in the resulting shared library.
+
+.TP
+.B \-\-no\-whole\-archive
+Turn off the effect of the
+.B \-\-whole\-archive
+option for archives which appear later on the command line.
+
+.TP
+.BI "--wrap " "symbol"
+Use a wrapper function for
+.I symbol.
+Any undefined reference to
+.I symbol
+will be resolved to
+.BI "__wrap_" "symbol".
+Any undefined reference to
+.BI "__real_" "symbol"
+will be resolved to
+.I symbol.
.TP
.B \-X
projects / binutils-gdb.git / blobdiff