Import latest fixes to libiberty from GCC.

	PR lto/81968
	* simple-object-elf.c (simple_object_elf_copy_lto_debug_section):
	Keep names of removed global symbols.

	* simple-object-xcoff.c (simple_object_xcoff_find_sections):
	Improve .go_export csect handling.  Don't make assumptions
	on containing section or number of auxiliary entries.

	PR lto/81968
	* simple-object-elf.c (simple_object_elf_copy_lto_debug_section):
	Adjust field with for sh_type write, set SHF_EXCLUDE only for
	removed sections.

	PR lto/81925
	* simple-object-elf.c (simple_object_elf_write_shdr): Adjust
	type of sh_addralign and sh_entsize and properly write
	sh_entsize as Elf_Addr.
	(simple_object_elf_write_to_file): Read sh_entsize as Elf_Addr.

	* simple-object-common.h (struct simple_object_functions): Add
	copy_lto_debug_sections hook.
	* simple-object.c: Include fcntl.h.
	(handle_lto_debug_sections): New helper function.
	(simple_object_copy_lto_debug_sections): New function copying
	early LTO debug sections to regular debug sections in a new file.
	(simple_object_start_write): Handle NULL segment_name.
	* simple-object-coff.c (simple_object_coff_functions): Adjust
	for not implemented copy_lto_debug_sections hook.
	* simple-object-mach-o.c (simple_object_mach_o_functions): Likewise.
	* simple-object-xcoff.c (simple_object_xcoff_functions): Likewise.
	* simple-object-elf.c (SHT_NULL, SHT_SYMTAB, SHT_RELA, SHT_REL,
	SHT_GROUP): Add various sectopn header types.
	(SHF_EXCLUDE): Add flag.
	(Elf32_External_Sym, Elf64_External_Sym): Add symbol struct.
	(ELF_ST_BIND, ELF_ST_TYPE, ELF_ST_INFO): Add accessors.
	(STT_OBJECT, STT_FUNC, STT_TLS, STT_GNU_IFUNC): Add Symbol types.
	(STV_DEFAULT): Add symbol visibility.
	(SHN_COMMON): Add special section index name.
	(struct simple_object_elf_write): New.
	(simple_object_elf_start_write): Adjust for new private data.
	(simple_object_elf_write_shdr): Pass in values for all fields
	we write.
	(simple_object_elf_write_to_file): Adjust.  Copy from recorded
	section headers if requested.
	(simple_object_elf_release_write): Release private data.
	(simple_object_elf_copy_lto_debug_sections): Copy and rename sections
	as denoted by PFN and all their dependences, symbols and relocations
	to the empty destination file.
	(simple_object_elf_functions): Adjust for copy_lto_debug_sections hook.

	* simple-object-xcoff.c (simple_object_xcoff_find_sections):
	Search symbol table for .go_export symbol and apply pfn if found.

1 files changed, 72 insertions, 5 deletions

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 925b1521d6a..191a3116bb7 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,18 +1,80 @@
+2017-08-31  Richard Biener  <rguenther@suse.de>
+
+	PR lto/81968
+	* simple-object-elf.c (simple_object_elf_copy_lto_debug_section):
+	Keep names of removed global symbols.
+
+2017-08-29  Tony Reix  <tony.reix@atos.net>
+
+	* simple-object-xcoff.c (simple_object_xcoff_find_sections):
+	Improve .go_export csect handling.  Don't make assumptions
+	on containing section or number of auxiliary entries.
+
+2017-08-28  Richard Biener  <rguenther@suse.de>
+
+	PR lto/81968
+	* simple-object-elf.c (simple_object_elf_copy_lto_debug_section):
+	Adjust field with for sh_type write, set SHF_EXCLUDE only for
+	removed sections.
+
+2017-08-22  Richard Biener  <rguenther@suse.de>
+
+	PR lto/81925
+	* simple-object-elf.c (simple_object_elf_write_shdr): Adjust
+	type of sh_addralign and sh_entsize and properly write
+	sh_entsize as Elf_Addr.
+	(simple_object_elf_write_to_file): Read sh_entsize as Elf_Addr.
+
+2017-08-21  Richard Biener  <rguenther@suse.de>
+
+	* simple-object-common.h (struct simple_object_functions): Add
+	copy_lto_debug_sections hook.
+	* simple-object.c: Include fcntl.h.
+	(handle_lto_debug_sections): New helper function.
+	(simple_object_copy_lto_debug_sections): New function copying
+	early LTO debug sections to regular debug sections in a new file.
+	(simple_object_start_write): Handle NULL segment_name.
+	* simple-object-coff.c (simple_object_coff_functions): Adjust
+	for not implemented copy_lto_debug_sections hook.
+	* simple-object-mach-o.c (simple_object_mach_o_functions): Likewise.
+	* simple-object-xcoff.c (simple_object_xcoff_functions): Likewise.
+	* simple-object-elf.c (SHT_NULL, SHT_SYMTAB, SHT_RELA, SHT_REL,
+	SHT_GROUP): Add various sectopn header types.
+	(SHF_EXCLUDE): Add flag.
+	(Elf32_External_Sym, Elf64_External_Sym): Add symbol struct.
+	(ELF_ST_BIND, ELF_ST_TYPE, ELF_ST_INFO): Add accessors.
+	(STT_OBJECT, STT_FUNC, STT_TLS, STT_GNU_IFUNC): Add Symbol types.
+	(STV_DEFAULT): Add symbol visibility.
+	(SHN_COMMON): Add special section index name.
+	(struct simple_object_elf_write): New.
+	(simple_object_elf_start_write): Adjust for new private data.
+	(simple_object_elf_write_shdr): Pass in values for all fields
+	we write.
+	(simple_object_elf_write_to_file): Adjust.  Copy from recorded
+	section headers if requested.
+	(simple_object_elf_release_write): Release private data.
+	(simple_object_elf_copy_lto_debug_sections): Copy and rename sections
+	as denoted by PFN and all their dependences, symbols and relocations
+	to the empty destination file.
+	(simple_object_elf_functions): Adjust for copy_lto_debug_sections hook.
+
 2017-07-02  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
 	* dwarfnames.c (DW_FIRST_IDX, DW_END_IDX, DW_IDX, DW_IDX_DUP): New.
 
+2017-06-07  Tony Reix  <tony.reix@atos.net>
+	    Matthieu Sarter  <matthieu.sarter.external@atos.net>
+	    David Edelsohn  <dje.gcc@gmail.com>
+
+	* simple-object-xcoff.c (simple_object_xcoff_find_sections):
+	Search symbol table for .go_export symbol and apply pfn if found.
+
 2017-05-31  DJ Delorie  <dj@redhat.com>
 
 	* configure.ac (strnlen): Add to AC_CHECK_DECLS.
 	* configure: Likewise.
 	* config.in: Add HACE_DECL_STRNLEN.
 
-2017-05-31  Eli Zaretskii  <eliz@gnu.org>
-
-	* waitpid.c (wait) [__MINGW32__]: Define as a macro
-	that calls _cwait, so that this function works on MinGW.
-
 2017-05-27  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* d-demangle.c (dlang_identifier): Prefix mangled init symbols
@@ -32,6 +94,11 @@
 	the demangled hexadecimal directly to string.
 	* testsuite/d-demangle-expected: Add tests.
 
+2017-05-24  Eli Zaretskii  <eliz@gnu.org>
+
+	* waitpid.c (wait) [__MINGW32__]: Define as a macro
+	that calls _cwait, so that this function works on MinGW.
+
 2017-05-02  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* d-demangle.c (dlang_hexdigit): New function.