binutils-gdb/ld
Jakub Jelinek 9203ba999f bfd/
* elfxx-ia64.c (struct elfNN_ia64_link_hash_table): Add rel_fptr_sec.
	(elfNN_ia64_dynamic_symbol_p): Change info->shared into
	!info->executable.
	(get_fptr): For -pie create .opd as writable section and create
	.rela.opd as well.
	(elfNN_ia64_check_relocs): Change info->shared into
	!info->executable.
	(allocate_fptr): Likewise.
	(allocate_dynrel_entries): Account for a relative reloc for -pie
	@fptr().  Don't account for a relative reloc if -pie want_ltoff_fptr
	for undefweak symbol.  Account for an IPLT reloc in .rela.opd
	section if -pie.
	(set_got_entry): Don't create a relative reloc if -pie
	want_ltoff_fptr for undefweak symbol.
	(set_fptr_entry): Emit an IPLT reloc in .rela.opd for -pie.
	(elfNN_ia64_relocate_section): Emit a relative reloc for -pie
	@fptr().

	* elfxx-ia64.c (elfNN_ia64_relocate_section): Issue undefined_symbol
	even if -pie.
	* elf32-i386.c (elf_i386_relocate_section): Likewise.
	* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
	* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
	* elf64-s390.c (elf_s390_relocate_section): Likewise.
	* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
	* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
	* elf32-s390.c (elf_s390_relocate_section): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
ld/
	* emulparams/elf64_ia64.sh (OTHER_READONLY_SECTIONS): Don't include
	.opd if -pie.
	(OTHER_READWRITE_SECTIONS): Include .opd if -pie.
	* scripttempl/elf.sc: Use SHLIB_DATA_ADDR instead of DATA_ADDR
	if -pie.
2003-07-04 13:53:38 +00:00
..
emulparams bfd/ 2003-07-04 13:53:38 +00:00
emultempl Convert to C90 2003-06-28 05:28:54 +00:00
po bfd/ 2003-06-11 01:32:08 +00:00
scripttempl bfd/ 2003-07-04 13:53:38 +00:00
testsuite * elf32-h8300.c (R_H8_DIR32A16): Fix name field. 2003-07-04 10:25:14 +00:00
acinclude.m4 * acinclude.m4: Include libtool and gettext macros from the 2000-08-31 09:46:11 +00:00
aclocal.m4 Add support to skip import libraries for performance reasons and instead 2002-12-16 18:02:16 +00:00
ChangeLog bfd/ 2003-07-04 13:53:38 +00:00
ChangeLog-9197 Fixtypos in ChangeLogs, fix copyright dates in files 2001-03-13 06:14:29 +00:00
ChangeLog-9899 Fixtypos in ChangeLogs, fix copyright dates in files 2001-03-13 06:14:29 +00:00
config.in (HAVE_REALPATH): New entry. 2002-12-30 12:37:58 +00:00
configure Add support for h8300hn and h8300sn 2003-04-24 12:36:08 +00:00
configure.host * ld-undefined/undefined.exp (i?86-*-freebsd*): Remove xfail. 2003-06-17 11:01:17 +00:00
configure.in * configure.in (TARGET_SYSTEM_ROOT): Set default to 2003-02-20 23:38:58 +00:00
configure.tgt * configure.tgt: Add specific case for cris-*-linux-gnu* 2003-06-16 00:03:48 +00:00
deffile.h Convert to C90 2003-06-28 05:28:54 +00:00
deffilep.y Convert to C90 2003-06-28 05:28:54 +00:00
dep-in.sed * dep-in.sed: Cope with absolute paths. 2002-04-04 14:07:57 +00:00
fdl.texi Apply Bob Wilson's linker documenation clean ups. 2003-02-21 10:27:06 +00:00
gen-doc.texi Add Xtensa port 2003-04-01 15:50:31 +00:00
genscripts.sh bfd/ 2003-05-30 15:50:12 +00:00
h8-doc.texi Replace occurrances of 'Hitachi' with 'Renesas'. 2003-04-15 08:51:55 +00:00
ld.h Convert to C90 2003-06-28 05:28:54 +00:00
ld.texinfo Correct spelling of "relocatable". 2003-06-25 06:40:27 +00:00
ldcref.c Convert to C90 2003-06-28 05:28:54 +00:00
ldctor.c Convert to C90 2003-06-28 05:28:54 +00:00
ldctor.h Convert to C90 2003-06-28 05:28:54 +00:00
ldemul.c * ldemul.c: Include getopt.h. 2003-02-28 22:55:11 +00:00
ldemul.h Convert to C90 2003-06-28 05:28:54 +00:00
ldexp.c Convert to C90 2003-06-28 05:28:54 +00:00
ldexp.h Convert to C90 2003-06-28 05:28:54 +00:00
ldfile.c Convert to C90 2003-06-28 05:28:54 +00:00
ldfile.h Convert to C90 2003-06-28 05:28:54 +00:00
ldgram.y binutils/ 2003-06-03 22:27:24 +00:00
ldint.texinfo Correct spelling of "relocatable". 2003-06-25 06:40:27 +00:00
ldlang.c Convert to C90 2003-06-28 05:28:54 +00:00
ldlang.h Convert to C90 2003-06-28 05:28:54 +00:00
ldlex.h Convert to C90 2003-06-28 05:28:54 +00:00
ldlex.l Convert to C90 2003-06-28 05:28:54 +00:00
ldmain.c Convert to C90 2003-06-28 05:28:54 +00:00
ldmain.h Convert to C90 2003-06-28 05:28:54 +00:00
ldmisc.c Convert to C90 2003-06-28 05:28:54 +00:00
ldmisc.h Convert to C90 2003-06-28 05:28:54 +00:00
ldver.c * Makefile.am: Run "make dep-am". 2002-10-14 12:09:18 +00:00
ldver.h Convert to C90 2003-06-28 05:28:54 +00:00
ldwrite.c Convert to C90 2003-06-28 05:28:54 +00:00
ldwrite.h Convert to C90 2003-06-28 05:28:54 +00:00
lexsup.c Convert to C90 2003-06-28 05:28:54 +00:00
mac-ld.r 19990502 sourceware import 1999-05-03 07:29:11 +00:00
MAINTAINERS add MAINTAINERS files 2000-07-05 19:28:06 +00:00
Makefile.am Convert to C90 2003-06-28 05:28:54 +00:00
Makefile.in Convert to C90 2003-06-28 05:28:54 +00:00
mpw-config.in 19990502 sourceware import 1999-05-03 07:29:11 +00:00
mpw-make.sed 19990502 sourceware import 1999-05-03 07:29:11 +00:00
mri.c Convert to C90 2003-06-28 05:28:54 +00:00
mri.h Convert to C90 2003-06-28 05:28:54 +00:00
NEWS Correct spelling of "relocatable". 2003-06-25 06:40:27 +00:00
pe-dll.c Convert to C90 2003-06-28 05:28:54 +00:00
pe-dll.h Convert to C90 2003-06-28 05:28:54 +00:00
README Add --with-lib-patch configure switch. 2002-08-23 08:03:32 +00:00
stamp-h.in 19990502 sourceware import 1999-05-03 07:29:11 +00:00
sysdep.h Convert to C90 2003-06-28 05:28:54 +00:00
TODO 19990502 sourceware import 1999-05-03 07:29:11 +00:00

		README for LD

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
or using the --with-lib-path configure switch.

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.