etc/ChangeLog

[deliverable/binutils-gdb.git] / ld / ld.texinfo

diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 8ac4c7d7d1f9b03058d057bc38639b812cfd9448..808f2952db1a69f6f45cc1348c3a0f07367a8ab4 100644 (file)
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -54,7 +54,7 @@ This file documents the @sc{gnu} linker LD
 @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
@@ -92,8 +92,9 @@ section entitled ``GNU Free Documentation License''.
 
 @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
@@ -780,8 +781,9 @@ scripts.
 @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
@@ -1383,7 +1385,7 @@ the linker recursively marks as used any section referenced by their
 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.
 
@@ -1563,7 +1565,9 @@ This option is ignored for SVR4 compatibility.
 @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.
@@ -1584,16 +1588,17 @@ 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
@@ -1601,6 +1606,9 @@ On platforms where this is not supported, @samp{--relax} is accepted,
 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
@@ -2211,6 +2219,14 @@ feature is fully enabled and warnings are not printed.  If you specify
 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
@@ -5924,6 +5940,10 @@ The @samp{--fix-cortex-a8} switch enables a link-time workaround for an erratum
 
 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
@@ -7146,12 +7166,6 @@ control the linker:
 
 @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