bfd/

	* elflink.c (elf_bfd_final_link): Don't output STT_SECTION symbol
	into .dynsym if elf_section_data (sec)->dynindx <= 0.
	Adjust counting of last_local.
	(_bfd_elf_link_renumber_dynsyms): Don't assign dynindx to sections
	other than SHT_PROGBITS/SHT_NOBITS and neither for .got/.got.plt/.plt
	created by the linker nor !SHF_ALLOC.

	* elf32-i386.c (elf_i386_finish_dynamic_sections): Point
	DT_PLTGOT to the start of the .got.plt section instead of the
	.got output section.  Set sh_entsize for .got section in addition
	to .got.plt.
	(elf_i386_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
	is at sgot->output_section->vma.
	* elf64-x86-64.c (elf64_x86_64_finish_dynamic_sections): Point
	DT_PLTGOT to the start of the .got.plt section instead of the
	.got output section.
	(elf64_x86_64_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
	is at sgot->output_section->vma.  Set sh_entsize for .got section
	in addition to .got.plt.
	* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_RELRO.
	(bfd_section_from_phdr): Likewise.
	(map_sections_to_segments): Likewise.
	(assign_file_positions_for_segments): Likewise.
	(get_program_header_size): Likewise.
	* elflink.c (bfd_elf_size_dynamic_sections): Set
	elf_tdata (output_bfd)->relro from info->relro.
	* elf-bfd.h (struct elf_obj_tdata): Add relro field.
include/
	* bfdlink.h (struct bfd_link_info): Add relro, relro_start and
	relro_end fields.
	* elf/common.h (PT_GNU_EH_FRAME, PT_GNU_STACK): Add comments.
	(PT_GNU_RELRO): Define.
binutils/
	* readelf.c (get_segment_type): Handle PT_GNU_RELRO.
ld/
	* genscripts.sh: Generate -z combreloc -z now -z relro scripts
	for binaries, -shared and -pie.
	* emulparams/elf_i386.sh (SEPARATE_GOTPLT): Set.
	* emulparams/elf_x86_64.sh (SEPARATE_GOTPLT): Set.
	* emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Rename to...
	(OTHER_RELRO_SECTIONS): ... this.
	* ldlex.l (DATA_SEGMENT_RELRO_END): Add.
	* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
	-z relro and -z norelro.
	(gld${EMULATION_NAME}_list_options): Add it to usage.
	(gld${EMULATION_NAME}_get_script): Return -z combreloc -z now
	-z relro scripts when appropriate.
	* scripttempl/elf.sc: Unset SEPARATE_GOTPLT if RELRO_NOW is set.
	Create separate .got.plt section if SEPARATE_GOTPLT.
	Move sections which are only written during relocation handling
	to the beginning of RW segment.  If NO_SMALL_DATA, move .got
	before .data.  Add DATA_SEGMENT_RELRO_END directive.
	Include OTHER_RELRO_SECTIONS.
	* ldgram.y (DATA_SEGMENT_RELRO_END): Add.
	* ldexp.c (exp_print_token): Handle DATA_SEGMENT_RELRO_END.
	(fold_unary): Likewise.
	(fold_binary): Handle -z relro.
	* ldexp.h (struct exp_data_seg): Add exp_dataseg_relro_seen and
	exp_dataseg_relro_adjust phases.  Add relro_end field.
	* ldmain.c (main): Initialize link_info.relro to FALSE.
	* ldlang.c (lang_size_sections): Handle -z relro.
ld/testsuite/
	* ld-i386/tlspic.rd: Adjust for section reordering changes
	and removal of unneeded STT_SECTION symbols from .dynsym.
	* ld-i386/tlspic.dd: Likewise.
	* ld-i386/tlspic.sd: Likewise.
	* ld-i386/tlsbin.rd: Likewise.
	* ld-i386/tlsbinpic.s: Likewise.
	* ld-i386/tlsbin.dd: Likewise.
	* ld-i386/tlsbin.sd: Likewise.
	* ld-i386/tlsnopic.rd: Likewise.
	* ld-i386/tlsnopic1.s: Likewise.
	* ld-i386/combreloc.d: Likewise.
	* ld-i386/tlsnopic.dd: Likewise.
	* ld-i386/tlsnopic.sd: Likewise.
	* ld-x86-64/tlspic.rd: Likewise.
	* ld-x86-64/tlspic.dd: Likewise.
	* ld-x86-64/tlsbin.dd: Likewise.
	* ld-x86-64/tlspic.sd: Likewise.
	* ld-x86-64/tlsbin.sd: Likewise.
	* ld-x86-64/tlspic.td: Likewise.
	* ld-x86-64/tlsbin.td: Likewise.
	* ld-x86-64/tlsbin.rd: Likewise.
	* ld-s390/tlspic1.s: Likewise.
	* ld-s390/tlsbinpic.s: Likewise.
	* ld-s390/tlspic.rd: Likewise.
	* ld-s390/tlsbin.rd: Likewise.
	* ld-s390/tlspic.dd: Likewise.
	* ld-s390/tlsbin.dd: Likewise.
	* ld-s390/tlsbin.sd: Likewise.
	* ld-s390/tlsbin.td: Likewise.
	* ld-s390/tlspic.sd: Likewise.
	* ld-s390/tlspic.td: Likewise.
	* ld-s390/tlspic1_64.s: Likewise.
	* ld-s390/tlsbinpic_64.s: Likewise.
	* ld-s390/tlspic_64.rd: Likewise.
	* ld-s390/tlsbin_64.rd: Likewise.
	* ld-s390/tlspic_64.dd: Likewise.
	* ld-s390/tlsbin_64.dd: Likewise.
	* ld-s390/tlspic_64.sd: Likewise.
	* ld-s390/tlspic_64.td: Likewise.
	* ld-s390/tlsbin_64.td: Likewise.
	* ld-s390/tlsbin_64.sd: Likewise.
	* ld-powerpc/tlsexe32.r: Likewise.
	* ld-powerpc/tlsso32.r: Likewise.
	* ld-powerpc/tlsso32.d: Likewise.
	* ld-powerpc/tlsso32.g: Likewise.
	* ld-powerpc/tlsso32.t: Likewise.
	* ld-powerpc/tlsexe.r: Likewise.
	* ld-powerpc/tlsso.r: Likewise.
	* ld-powerpc/tlsso.g: Likewise.
	* ld-powerpc/tlsexetoc.r: Likewise.
	* ld-powerpc/tlstocso.r: Likewise.
	* ld-powerpc/tlstocso.g: Likewise.
	* ld-ia64/tlspic.rd: Likewise.
	* ld-ia64/tlspic.dd: Likewise.
	* ld-ia64/tlspic.sd: Likewise.
	* ld-ia64/tlspic.td: Likewise.
	* ld-ia64/tlsbin.rd: Likewise.
	* ld-ia64/tlsbin.sd: Likewise.
	* ld-ia64/tlsbin.td: Likewise.
	* ld-elfvsb/elfvsb.exp: XFAIL non-PIC load offset tests on s390x.
	* ld-shared/shared.exp: Likewise.

3 files changed, 16 insertions, 2 deletions

diff --git a/include/ChangeLog b/include/ChangeLog
index 4e92371..804d97f 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,10 @@
+2004-05-11  Jakub Jelinek  <jakub@redhat.com>
+
+	* bfdlink.h (struct bfd_link_info): Add relro, relro_start and
+	relro_end fields.
+	* elf/common.h (PT_GNU_EH_FRAME, PT_GNU_STACK): Add comments.
+	(PT_GNU_RELRO): Define.
+
 2004-05-04  Andreas Jaeger  <aj@suse.de>
 
 	* demangle.h: Do not use C++ reserved keyword typename as
diff --git a/include/bfdlink.h b/include/bfdlink.h
index cc2043e..881d7d4 100644
--- a/include/bfdlink.h
+++ b/include/bfdlink.h
@@ -302,6 +302,9 @@ struct bfd_link_info
      flags.  */
   unsigned int noexecstack: 1;
 
+  /* TRUE if PT_GNU_RELRO segment should be created.  */
+  unsigned int relro: 1;
+
   /* What to do with unresolved symbols in an object file.
      When producing executables the default is GENERATE_ERROR.
      When producing shared libraries the default is IGNORE.  The
@@ -391,6 +394,9 @@ struct bfd_link_info
 
   /* May be used to set DT_FLAGS_1 for ELF. */
   bfd_vma flags_1;
+
+  /* Start and end of RELRO region.  */
+  bfd_vma relro_start, relro_end;
 };
 
 /* This structures holds a set of callback functions.  These are
diff --git a/include/elf/common.h b/include/elf/common.h
index 8ebc2cf..dbcb5d2 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -288,8 +288,9 @@
 #define PT_LOPROC	0x70000000	/* Processor-specific */
 #define PT_HIPROC	0x7FFFFFFF	/* Processor-specific */
 
-#define PT_GNU_EH_FRAME	(PT_LOOS + 0x474e550)
-#define PT_GNU_STACK	(PT_LOOS + 0x474e551)
+#define PT_GNU_EH_FRAME	(PT_LOOS + 0x474e550) /* Frame unwind information */
+#define PT_GNU_STACK	(PT_LOOS + 0x474e551) /* Stack flags */
+#define PT_GNU_RELRO	(PT_LOOS + 0x474e552) /* Read-only after relocation */
 
 /* Program segment permissions, in program header p_flags field.  */