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* ld.texinfo: Note that -relax may make symbolic debugging

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impossible on some platforms.
This commit is contained in:
Jeff Law
1998-06-22 05:59:49 +00:00
parent 4d865f1ba7
commit e2ebb8ed49
2 changed files with 24 additions and 3 deletions
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13
ld/ChangeLog
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@ -1,3 +1,16 @@
Sun Jun 21 23:55:16 1998 Jeffrey A Law (law@cygnus.com)
* ld.texinfo: Note that -relax may make symbolic debugging
impossible on some platforms.
Tue Jun 16 12:51:13 1998 Geoff Keating <geoffk@ozemail.com.au>
* Makefile.am (Makefile): Remove target.
(config.status): New target.
* Makefile.in: Rebuild.
* configure.host (powerpc*-*-linux-gnu*): New host.
Fri Jun 12 17:38:07 1998 Doug Evans <devans@seba.cygnus.com> Fri Jun 12 17:38:07 1998 Doug Evans <devans@seba.cygnus.com>
* scripttempl/elf.sc (INPUT_FILES): Optional INPUT spec. * scripttempl/elf.sc (INPUT_FILES): Optional INPUT spec.

14
ld/ld.texinfo
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@ -317,9 +317,12 @@ script command @code{FORCE_COMMON_ALLOCATION} has the same effect.
@item -e @var{entry} @item -e @var{entry}
@itemx --entry=@var{entry} @itemx --entry=@var{entry}
Use @var{entry} as the explicit symbol for beginning execution of your Use @var{entry} as the explicit symbol for beginning execution of your
program, rather than the default entry point. @xref{Entry Point}, for a program, rather than the default entry point. If there is no symbol
discussion of defaults and other ways of specifying the named @var{entry}, the linker will try to parse @var{entry} as a number,
entry point. and use that as the entry address (the number will be interpreted in
base 10; you may use a leading @samp{0x} for base 16, or a leading
@samp{0} for base 8). @xref{Entry Point}, for a discussion of defaults
and other ways of specifying the entry point.
@cindex dynamic symbol table @cindex dynamic symbol table
@kindex -E @kindex -E
@ -867,11 +870,16 @@ This option is only supported on a few targets.
@xref{i960,, @code{ld} and the Intel 960 family}. @xref{i960,, @code{ld} and the Intel 960 family}.
@end ifset @end ifset
On some platforms, the @samp{--relax} option performs global On some platforms, the @samp{--relax} option performs global
optimizations that become possible when the linker resolves addressing optimizations that become possible when the linker resolves addressing
in the program, such as relaxing address modes and synthesizing new in the program, such as relaxing address modes and synthesizing new
instructions in the output object file. instructions in the output object file.
On some platforms these link time global optimizations may make symbolic
debugging of the resulting executable impossible. This is known to be
the case for the Matsushita MN10200 and MN10300 family of processors.
@ifset GENERIC @ifset GENERIC
On platforms where this is not supported, @samp{--relax} is accepted, On platforms where this is not supported, @samp{--relax} is accepted,
but ignored. but ignored.