From 252b5132c753830d5fd56823373aed85f2a0db63 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Mon, 3 May 1999 07:29:11 +0000
Subject: 19990502 sourceware import

---
 ld/README | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 ld/README

(limited to 'ld/README')

diff --git a/ld/README b/ld/README
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+This is the GNU linker.  It is distributed with other "binary
+utilities" which should be in ../binutils.  See ../binutils/README for
+more general notes, including where to send bug reports.
+
+There are many features of the linker:
+
+* The linker uses a Binary File Descriptor library (../bfd)
+  that it uses to read and write object files.  This helps
+  insulate the linker itself from the format of object files.
+
+* The linker supports a number of different object file
+  formats.  It can even handle multiple formats at once:
+  Read two input formats and write a third.
+
+* The linker can be configured for cross-linking.
+
+* The linker supports a control language.
+
+* There is a user manual (ld.texinfo), as well as the
+  beginnings of an internals manual (ldint.texinfo).
+
+Installation
+============
+
+See ../binutils/README.
+
+If you want to make a cross-linker, you may want to specify
+a different search path of -lfoo libraries than the default.
+You can do this by setting the LIB_PATH variable in ./Makefile.
+
+To build just the linker, make the target all-ld from the top level
+directory (one directory above this one).
+
+Porting to a new target
+=======================
+
+See the ldint.texinfo manual.
+
+Reporting bugs etc
+===========================
+
+See ../binutils/README.
+
+Known problems
+==============
+
+The Solaris linker normally exports all dynamic symbols from an
+executable.  The GNU linker does not do this by default.  This is
+because the GNU linker tries to present the same interface for all
+similar targets (in this case, all native ELF targets).  This does not
+matter for normal programs, but it can make a difference for programs
+which try to dlopen an executable, such as PERL or Tcl.  You can make
+the GNU linker export all dynamic symbols with the -E or
+--export-dynamic command line option.
+
+HP/UX 9.01 has a shell bug that causes the linker scripts to be
+generated incorrectly.  The symptom of this appears to be "fatal error
+- scanner input buffer overflow" error messages.  There are various
+workarounds to this:
+  * Build and install bash, and build with "make SHELL=bash".
+  * Update to a version of HP/UX with a working shell (e.g., 9.05).
+  * Replace "(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc)" in
+    genscripts.sh with "sh ${srcdir}..." (no parens) and make sure the
+    emulparams script used exports any shell variables it sets.
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