@end ifset
version @value{VERSION}.
-Copyright @copyright{} 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000,
+Copyright @copyright{} 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document
@vskip 0pt plus 1filll
@c man begin COPYRIGHT
-Copyright @copyright{} 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001,
-2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+Copyright @copyright{} 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free
+Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3
@kindex --nmagic
@item -n
@itemx --nmagic
-Turn off page alignment of sections, and mark the output as
-@code{NMAGIC} if possible.
+Turn off page alignment of sections, and disable linking against shared
+libraries. If the output format supports Unix style magic numbers,
+mark the output as @code{NMAGIC}.
@kindex -N
@kindex --omagic
relocations. See @samp{--entry} and @samp{--undefined}.
This option can be set when doing a partial link (enabled with option
-@samp{-r}). In this case the root of symbols kept must be explicitely
+@samp{-r}). In this case the root of symbols kept must be explicitly
specified either by an @samp{--entry} or @samp{--undefined} option or by
a @code{ENTRY} command in the linker script.
@kindex --relax
@cindex synthesizing linker
@cindex relaxing addressing modes
+@cindex --no-relax
@item --relax
+@itemx --no-relax
An option with machine dependent effects.
@ifset GENERIC
This option is only supported on a few targets.
@xref{PowerPC ELF32,,@command{ld} and PowerPC 32-bit ELF Support}.
@end ifset
-On some platforms, the @samp{--relax} option performs global
-optimizations that become possible when the linker resolves addressing
-in the program, such as relaxing address modes and synthesizing new
-instructions in the output object file.
+On some platforms the @samp{--relax} option performs target specific,
+global optimizations that become possible when the linker resolves
+addressing in the program, such as relaxing address modes,
+synthesizing new instructions, selecting shorter version of current
+instructions, and combinig constant values.
On some platforms these link time global optimizations may make symbolic
debugging of the resulting executable impossible.
@ifset GENERIC
-This is known to be
-the case for the Matsushita MN10200 and MN10300 family of processors.
+This is known to be the case for the Matsushita MN10200 and MN10300
+family of processors.
@end ifset
@ifset GENERIC
but ignored.
@end ifset
+On platforms where @samp{--relax} is accepted the option
+@samp{--no-relax} can be used to disable the feature.
+
@cindex retaining specified symbols
@cindex stripping all but some symbols
@cindex symbols, retaining selectively
mismatches are considered to be errors.
[This option is specific to the i386 PE targeted port of the linker]
+@kindex --leading-underscore
+@kindex --no-leading-underscore
+@item --leading-underscore
+@itemx --no-leading-underscore
+For most targets default symbol-prefix is an underscore and is defined
+in target's description. By this option it is possible to
+disable/enable the default underscore symbol-prefix.
+
@cindex DLLs, creating
@kindex --export-all-symbols
@item --export-all-symbols
@item
the @code{ENTRY(@var{symbol})} command in a linker script;
@item
-the value of the symbol @code{start}, if defined;
+the value of a target specific symbol, if it is defined; For many
+targets this is @code{start}, but PE and BeOS based systems for example
+check a list of possible entry symbols, matching the first one found.
@item
the address of the first byte of the @samp{.text} section, if present;
@item
bar1; bar2;
extern "C++" @{
ns::*;
- "int f(int, double)";
- @}
+ "f(int, double)";
+ @};
@} VERS_1.2;
@end smallexample
The supported @samp{lang}s are @samp{C}, @samp{C++}, and @samp{Java}.
The linker will iterate over the list of symbols at the link time and
demangle them according to @samp{lang} before matching them to the
-patterns specified in @samp{version-script-commands}.
+patterns specified in @samp{version-script-commands}. The default
+@samp{lang} is @samp{C}.
Demangled names may contains spaces and other special characters. As
described above, you can use a glob pattern to match demangled names,
The erratum only affects Thumb-2 code. Please contact ARM for further details.
+@kindex --merge-exidx-entries
+@kindex --no-merge-exidx-entries
+The @samp{--no-merge-exidx-entries} switch disables the merging of adjacent exidx entries in debuginfo.
+
@ifclear GENERIC
@lowersections
@end ifclear
@cindex Xtensa options
@table @option
-@kindex --no-relax
-@item --no-relax
-Since the Xtensa version of @code{ld} enables the @option{--relax} option
-by default, the @option{--no-relax} option is provided to disable
-relaxation.
-
@item --size-opt
When optimizing indirect calls to direct calls, optimize for code size
more than performance. With this option, the linker will not insert