bfd/

	* elf-bfd.h (struct elf_link_hash_table): Reorder.  Add
	text_index_section and data_index_section.
	(struct elf_backend_data): Add elf_backend_init_index_section.
	(_bfd_elf_init_1_index_section): Declare.
	(_bfd_elf_init_2_index_sections): Declare.
	* elfxx-target.h (elf_backend_init_index_section): Define.
	(elfNN_bed): Init new field.
	* elflink.c (_bfd_elf_link_omit_section_dynsym): Keep first tls
	section and text_index_section plus data_index_section.
	(_bfd_elf_link_renumber_dynsyms): Clear dynindx on omitted sections.
	(_bfd_elf_init_1_index_section): New function.
	(_bfd_elf_init_2_index_sections): New function.
	(bfd_elf_size_dynsym_hash_dynstr): Call elf_backend_init_index_section.
	(elf_link_input_bfd): When emitting relocs, use text_index_section
	and data_index_section for removed sections.
	* elf-m10300.c (elf_backend_omit_section_dynsym): Define.
	* elf32-i386.c: Likewise.
	* elf32-m32r.c: Likewise.
	* elf32-sh.c: Likewise.
	* elf32-xstormy16.c: Likewise.
	* elf32-xtensa.c: Likewise.
	* elf64-alpha.c: Likewise.
	* elf64-hppa.c: Likewise.
	* elf64-mmix.c: Likewise.
	* elf64-sh64.c: Likewise.
	* elfxx-ia64.c: Likewise.
	* elf32-arm.c (elf32_arm_final_link_relocate): Use text_index_section
	and data_index_section sym for relocs against sections with no dynamic
	section sym.
	(elf_backend_init_index_section): Define.
	* elf32-cris.c: Similarly.
	* elf32-hppa.c: Similarly.
	* elf32-i370.c: Similarly.
	* elf32-m68k.c: Similarly.
	* elf32-mips.c: Similarly.
	* elf32-ppc.c: Similarly.
	* elf32-s390.c: Similarly.
	* elf32-sparc.c: Similarly.
	* elf32-vax.c: Similarly.
	* elf64-mips.c: Similarly.
	* elf64-ppc.c: Similarly.
	* elf64-s390.c: Similarly.
	* elf64-sparc.c: Similarly.
	* elf64-x86-64.c: Similarly.
	* elfn32-mips.c: Similarly.
	* elfxx-mips.c: Similarly.
	* elfxx-sparc.c: Similarly.
	* linker.c (fix_syms): Base symbols in removed sections on
	previous section in preference to using absolute section.

ld/
	* ldlang.c (strip_excluded_output_sections): Do strip sections
	that define syms, but don't ignore them.
	* ld.texinfo (Output Section Discarding): Revise.
	* emultempl/armcoff.em (gld${EMULATION_NAME}_finish): Always call
	finish_default.

ld/testsuite/
	Update for section sym changes.

1 files changed, 12 insertions, 10 deletions

diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 6835147..1fbd6ef 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -3684,21 +3684,23 @@ scripts.
 @cindex discarding sections
 @cindex sections, discarding
 @cindex removing sections
-The linker will not create output section which do not have any
-contents.  This is for convenience when referring to input sections that
-may or may not be present in any of the input files.  For example:
+The linker will not create output sections with no contents.  This is
+for convenience when referring to input sections that may or may not
+be present in any of the input files.  For example:
 @smallexample
 .foo : @{ *(.foo) @}
 @end smallexample
 @noindent
 will only create a @samp{.foo} section in the output file if there is a
-@samp{.foo} section in at least one input file.
-
-If you use anything other than an input section description as an output
-section command, such as a symbol assignment, then the output section
-will always be created, even if there are no matching input sections.
-When a section is discarded, its address (@xref{Output Section Address})
-will also be ignored.
+@samp{.foo} section in at least one input file, and if the input
+sections are not all empty.  Other link script directives that allocate
+space in an output section will also create the output section.
+
+The linker will ignore address assignments (@xref{Output Section Address})
+on discarded output sections, except when the linker script defines
+symbols in the output section.  In that case the linker will obey
+the address assignments, possibly advancing dot and/or current lma
+even though the section is discarded.
 
 @cindex /DISCARD/
 The special output section name @samp{/DISCARD/} may be used to discard