Fri Jan 3 16:58:31 1997 Richard Henderson <rth@tamu.edu>

	elf64-alpha multiple .got rewrite:

	* elf-bfd.h (struct elf_backend_data): Add always_size_sections entry.
	(bfd_elf*_mkobject): Don't define here ...
	* elfxx-target.h: ... but rather here.  Default always_size_sections
	hook to NULL.
	* elf.c (elf_mkobject): Rename to bfd_elf_mkobject, since that was
	what the #defines in elf-bfd.h transmuted it to anyway.

	* section.c: Add SEC_LINKER_CREATED flag.
	* bfd-in2.h: Rebuild.
	* elf32-i386.c (elf_i386_check_relocs): Add SEC_LINKER_CREATED to
	relocation section flags.
	(elf_i386_size_dynamic_sections): Use SEC_LINKER_CREATED instead of
	SEC_IN_MEMORY to recognize generated bits.
	* elf32-m68k.c (elf_m68k_check_relocs, elf_m68k_size_dynamic_sections):
	Likewise.
	* elf32-mips.c (mips_elf_final_link, mips_elf_create_dynamic_sections,
	mips_elf_create_compact_rel_section, mips_elf_create_got_section,
	mips_elf_check_relocs, mips_elf_size_dynamic_sections): Likewise.
	* elf32-ppc.c (ppc_elf_create_linker_section,
	ppc_elf_size_dynamic_sections): Likewise.
	* elf32-sparc.c (elf32_sparc_check_relocs,
	elf32_sparc_size_dynamic_sections): Likewise.
	* elflink.c (_bfd_elf_create_got_section): Add SEC_LINKER_CREATED to
	section flags.
	(_bfd_elf_create_dynamic_sections): Likewise.
	(_bfd_elf_make_linker_section_rela): Likewise.
	* elflink.h (elf_link_create_dynamic_sections): Likewise.
	(bfd_elf,size_dynamic_sections): Call the always_size_sections hook.
	(elf_bfd_final_link): Use SEC_LINKER_CREATED instead of SEC_IN_MEMORY
	to identify generated bits.
	(elf_link_input_bfd): Likewise.

	* elf64-alpha.c: Rewrite everything touching relocations.

1 files changed, 36 insertions, 2 deletions

diff --git a/bfd/section.c b/bfd/section.c
index 469b026..564a51e 100644
--- a/bfd/section.c
+++ b/bfd/section.c
@@ -240,7 +240,7 @@ CODE_FRAGMENT
 .           sections. *}
 .#define SEC_COFF_SHARED_LIBRARY 0x800
 .
-.        {* The section is a common section (symbols may be defined
+.        {* The section contains common symbols (symbols may be defined
 .           multiple times, the value of a symbol is the amount of
 .           space it requires, and the largest symbol value is the one
 .           used).  Most targets have exactly one of these (which we
@@ -269,6 +269,40 @@ CODE_FRAGMENT
 .	   table.  *}
 .#define SEC_SORT_ENTRIES 0x80000
 .
+.	{* When linking, duplicate sections of the same name should be
+.	   discarded, rather than being combined into a single section as
+.	   is usually done.  This is similar to how common symbols are
+.	   handled.  See SEC_LINK_DUPLICATES below.  *}
+.#define SEC_LINK_ONCE 0x100000
+.
+.	{* If SEC_LINK_ONCE is set, this bitfield describes how the linker
+.	   should handle duplicate sections.  *}
+.#define SEC_LINK_DUPLICATES 0x600000
+.
+.	{* This value for SEC_LINK_DUPLICATES means that duplicate
+.	   sections with the same name should simply be discarded. *}
+.#define SEC_LINK_DUPLICATES_DISCARD 0x0
+.
+.	{* This value for SEC_LINK_DUPLICATES means that the linker
+.	   should warn if there are any duplicate sections, although
+.	   it should still only link one copy.  *}
+.#define SEC_LINK_DUPLICATES_ONE_ONLY 0x200000
+.
+.	{* This value for SEC_LINK_DUPLICATES means that the linker
+.	   should warn if any duplicate sections are a different size.  *}
+.#define SEC_LINK_DUPLICATES_SAME_SIZE 0x400000
+.
+.	{* This value for SEC_LINK_DUPLICATES means that the linker
+.	   should warn if any duplicate sections contain different
+.	   contents.  *}
+.#define SEC_LINK_DUPLICATES_SAME_CONTENTS 0x600000
+.
+.	{* This section was created by the linker as part of dynamic
+.	   relocation or other arcane processing.  It is skipped when
+.	   going through the first-pass output, trusting that someone
+.	   else up the line will take care of it later.  *}
+.#define SEC_LINKER_CREATED 0x800000
+.
 .	{*  End of section flags.  *}
 .
 .	{* Some internal packed boolean fields.  *}
@@ -982,6 +1016,6 @@ DESCRIPTION
 	Not enough memory exists to create private data for @var{osec}.
 
 .#define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \
-.     BFD_SEND (ibfd, _bfd_copy_private_section_data, \
+.     BFD_SEND (obfd, _bfd_copy_private_section_data, \
 .		(ibfd, isection, obfd, osection))
 */