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* ld.texinfo: The MRI ALIGN directive is supported.

This commit is contained in:
Ian Lance Taylor 1995-10-25 15:28:28 +00:00
parent 9b820af837
commit e54bf1c1a4
2 changed files with 78 additions and 9 deletions
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16
ld/ChangeLog
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@ -1,5 +1,21 @@
Wed Oct 25 11:27:25 1995 Ian Lance Taylor <ian@cygnus.com>
* ld.texinfo: The MRI ALIGN directive is supported.
Mon Oct 23 11:46:43 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
* emulparams/elf32vr4300.sh: Deleted.
* emulparams/elf32vr4300el.sh: Deleted.
* emulparams/elf32b4300.sh: Added.
* emulparams/elf32l4300.sh: Added.
* configure.tgt, Makefile.in: Updated the build to use the
new 8.3 unique names.
Thu Oct 19 17:41:46 1995 Ian Lance Taylor <ian@cygnus.com>
* ldlang.c (entry_symbol): Make non-static.
* ldlang.h (entry_symbol): Declare.
* ldlex.l: Treat PROVIDE as a keyword in expression state.
Wed Oct 18 17:34:06 1995 steve chamberlain <sac@slash.cygnus.com>

71
ld/ld.texinfo
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@ -178,8 +178,9 @@ ld [ -o @var{output} ] @var{objfile}@dots{}
[ -Map @var{mapfile} ] [ -m @var{emulation} ] [ -N | -n ]
[ -noinhibit-exec ] [ -no-keep-memory ] [ -oformat @var{output-format} ]
[ -R @var{filename} ] [ -relax ] [ -retain-symbols-file @var{filename} ]
[ -r | -Ur ] [ -rpath @var{dir} ] [ -S ] [ -s ] [ -soname @var{name} ]
[ -shared ] [ -sort-common ] [ -stats ] [ -T @var{commandfile} ]
[ -r | -Ur ] [ -rpath @var{dir} ] [-rpath-link @var{dir} ]
[ -S ] [ -s ] [ -soname @var{name} ] [ -shared ]
[ -sort-common ] [ -stats ] [ -T @var{commandfile} ]
[ -Ttext @var{org} ] [ -Tdata @var{org} ]
[ -Tbss @var{org} ] [ -t ] [ -traditional-format ]
[ -u @var{symbol}] [-V] [-v] [ -verbose] [ -version ]
@ -467,9 +468,9 @@ at the point in which the linker script appears in the command line.
@cindex link map
@kindex -M
@item -M
Print (to the standard output) a link map---diagnostic information
about where symbols are mapped by @code{ld}, and information on global
common storage allocation.
Print (to the standard output) a link map---diagnostic information about
where symbols are mapped by @code{ld}, and information on global common
storage allocation.
@cindex link map
@kindex -Map
@ -600,17 +601,62 @@ line. It overrides @samp{-s} and @samp{-S}.
Add a directory to the runtime library search path. This is used when
linking an ELF executable with shared objects. All @code{-rpath}
arguments are concatenated and passed to the runtime linker, which uses
them to locate shared objects at runtime.
them to locate shared objects at runtime. The @code{-rpath} option is
also used when locating shared objects which are needed by shared
objects explicitly included in the link; see the description of the
@code{-rpath-link} option.
The @code{-rpath} option may also be used on SunOS. By default, on
SunOS, the linker will form a runtime search patch out of all the
@code{-L} options it is given. If a @code{rpath} option is used, the
@code{-L} options it is given. If a @code{-rpath} option is used, the
runtime search path will be formed exclusively using the @code{-rpath}
options, ignoring the @code{-L} options. This can be useful when using
gcc, which adds many @code{-L} options which may be on NFS mounted
filesystems.
@end ifset
@ifset GENERIC
@cindex link-time runtime library search path
@kindex -rpath-link
@item -rpath-link @var{DIR}
When using ELF or SunOS, one shared library may require another. This
happens when an @code{ld -shared} link includes a shared library as one
of the input files.
When the linker encounters such a dependency when doing a non-shared,
non-relocateable link, it will automatically try to locate the required
shared library and include it in the link, if it is not included
explicitly. In such a case, the @code{-rpath-link} option
specifies the first set of directories to search. The
@code{-rpath-link} option may specify a sequence of directory names
either by specifying a list of names separated by colons, or by
appearing multiple times.
The linker uses the following search paths to locate required shared
libraries.
@enumerate
@item
Any directories specified by @code{-rpath-link} options.
@item
Any directories specified by @code{-rpath} options. The difference
between @code{-rpath} and @code{-rpath-link} is that directories
specified by @code{-rpath} options are included in the executable and
used at runtime, whereas the @code{-rpath-link} option is only effective
at link time.
@item
On SunOS, if the @code{-rpath} option was not used, search any
directories specified using @code{-L} options.
@item
For a native linker, the contents of the environment variable
@code{LD_LIBRARY_PATH}.
@item
The default directories, normally @file{/lib} and @file{/usr/lib}.
@end enumerate
If the required shared library is not found, the linker will issue a
warning and continue with the link.
@end ifset
@cindex partial link
@cindex relocatable output
@kindex -r
@ -651,8 +697,10 @@ field rather than the using the file name given to the linker.
@item -shared
@cindex shared libraries
@kindex -shared
Create a shared library. This is currently only supported on ELF
platforms.
Create a shared library. This is currently only supported on ELF and
SunOS platforms. On SunOS, the linker will automatically create a
shared library if the @code{-e} option is not used and there are
undefined symbols in the link.
@item -sort-common
@kindex -sort-common
@ -2441,6 +2489,11 @@ in a section called @var{out-secname} in the linker output file.
@var{in-secname} may be an integer.
@cindex @code{ALIGN} (MRI)
@item ALIGN @var{secname} = @var{expression}
Align the section called @var{secname} to @var{expression}. The
@var{expression} should be a power of two.
@cindex @code{BASE} (MRI)
@item BASE @var{expression}
Use the value of @var{expression} as the lowest address (other than