| Commit message (Collapse) | Author | Age | Files | Lines |
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The newer update-copyright.py fixes file encoding too, removing cr/lf
on binutils/bfdtest2.c and ld/testsuite/ld-cygwin/exe-export.exp, and
embedded cr in binutils/testsuite/binutils-all/ar.exp string match.
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The result of running etc/update-copyright.py --this-year, fixing all
the files whose mode is changed by the script, plus a build with
--enable-maintainer-mode --enable-cgen-maint=yes, then checking
out */po/*.pot which we don't update frequently.
The copy of cgen was with commit d1dd5fcc38ead reverted as that commit
breaks building of bfp opcodes files.
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Some of the comments in this file are ancient and no longer reflect
reality. This patch removes those comments, and also the description
of ld options emitted to script files. While describing what an
option does in the script file might help reinforce what the option
does, it's unnecessary and makes for overlong lines. Also, some of
the descriptions did not mention all the options.
* genscripts.sh: Correct comments. Remove outdated comment block
saying "Generate 5 or 6 script files..". Remove description of
ld options from comment emitted to script files, and order options
as per comment block in genscripts.sh saying which scripts are
generated.
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Commit c40e31a121 broke --enable-dependency-tracking=no.
* Makefile.am (GENDEPDIR): New var, used..
(GENSCRIPTS): ..here.
* Makefile.in: Regenerate.
* genscripts.sh: Test for $DEPDIR set before every use.
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This patch modifies genscripts.sh to emit dependency info along with
the generated emulation e*.c files. This is done by a new source_sh
function that records its arg to a file (.deps/e*.Tc), using the
function whenever a shell script is sourced. Entries in the file are
made unique and written to .deps/e*.Pc. These files are then
included by the Makefile.
* Makefile.am (GENSCRIPTS): Pass LIB_PATH as a parameter. Add
DEPDIR parameter.
(ELF_DEPS, ELF_GEN_DEPS, ELF_X86_DEPS): Delete.
(ALL_EMULATION_SOURCES, ALL_64_EMULATION_SOURCES): Depend on
$GEN_DEPENDS.
(e*.c): Delete all dependencies, instead include dependencies
from $DEPDIR/*.Pc.
* Makefile.in: Regenerate.
* configure.ac (source_sh): Define and use function.
* configure: Regenerate.
* emulparams/aarch64cloudabib.sh, * emulparams/aarch64elf32b.sh,
* emulparams/aarch64elfb.sh, * emulparams/aarch64fbsdb.sh,
* emulparams/aarch64linux32b.sh, * emulparams/aarch64linuxb.sh,
* emulparams/arcelf.sh, * emulparams/arcelf_prof.sh,
* emulparams/arclinux.sh, * emulparams/arclinux_nps.sh,
* emulparams/arclinux_prof.sh, * emulparams/arcv2elf.sh,
* emulparams/arcv2elfx.sh, * emulparams/armelf_fbsd.sh,
* emulparams/armelf_linux_eabi.sh,
* emulparams/armelf_linux_fdpiceabi.sh,
* emulparams/armelf_nacl.sh, * emulparams/armelf_nbsd.sh,
* emulparams/armelf_vxworks.sh, * emulparams/armelfb.sh,
* emulparams/armelfb_fbsd.sh, * emulparams/armelfb_fuchsia.sh,
* emulparams/armelfb_linux.sh, * emulparams/armelfb_linux_eabi.sh,
* emulparams/armelfb_linux_fdpiceabi.sh,
* emulparams/armelfb_nacl.sh, * emulparams/armelfb_nbsd.sh,
* emulparams/armsymbian.sh, * emulparams/cskyelf_linux.sh,
* emulparams/elf32_sparc_sol2.sh,
* emulparams/elf32_sparc_vxworks.sh, * emulparams/elf32_tic6x_be.sh,
* emulparams/elf32_tic6x_elf_be.sh,
* emulparams/elf32_tic6x_elf_le.sh,
* emulparams/elf32_tic6x_linux_be.sh,
* emulparams/elf32_tic6x_linux_le.sh,
* emulparams/elf32_x86_64.sh, * emulparams/elf32_x86_64_nacl.sh,
* emulparams/elf32b4300.sh, * emulparams/elf32bfinfd.sh,
* emulparams/elf32bmipn32.sh, * emulparams/elf32bsmip.sh,
* emulparams/elf32btsmip.sh, * emulparams/elf32btsmip_fbsd.sh,
* emulparams/elf32btsmipn32.sh, * emulparams/elf32btsmipn32_fbsd.sh,
* emulparams/elf32ebmip.sh, * emulparams/elf32ebmipvxworks.sh,
* emulparams/elf32elmip.sh, * emulparams/elf32elmipvxworks.sh,
* emulparams/elf32frvfd.sh, * emulparams/elf32l4300.sh,
* emulparams/elf32lm32fd.sh, * emulparams/elf32lmip.sh,
* emulparams/elf32lppc.sh, * emulparams/elf32lppclinux.sh,
* emulparams/elf32lppcnto.sh, * emulparams/elf32lppcsim.sh,
* emulparams/elf32lr5900.sh, * emulparams/elf32lr5900n32.sh,
* emulparams/elf32lriscv.sh, * emulparams/elf32lriscv_ilp32.sh,
* emulparams/elf32lriscv_ilp32f.sh, * emulparams/elf32lsmip.sh,
* emulparams/elf32ltsmip.sh, * emulparams/elf32ltsmip_fbsd.sh,
* emulparams/elf32ltsmipn32.sh, * emulparams/elf32ltsmipn32_fbsd.sh,
* emulparams/elf32microblazeel.sh, * emulparams/elf32or1k_linux.sh,
* emulparams/elf32ppc.sh, * emulparams/elf32ppc_fbsd.sh,
* emulparams/elf32ppccommon.sh, * emulparams/elf32ppclinux.sh,
* emulparams/elf32ppcnto.sh, * emulparams/elf32ppcsim.sh,
* emulparams/elf32ppcvxworks.sh, * emulparams/elf32ppcwindiss.sh,
* emulparams/elf32tilegx_be.sh, * emulparams/elf64_ia64_fbsd.sh,
* emulparams/elf64_sparc_fbsd.sh, * emulparams/elf64_sparc_sol2.sh,
* emulparams/elf64alpha_fbsd.sh, * emulparams/elf64alpha_nbsd.sh,
* emulparams/elf64bmip-defs.sh, * emulparams/elf64bmip.sh,
* emulparams/elf64btsmip.sh, * emulparams/elf64btsmip_fbsd.sh,
* emulparams/elf64lppc.sh, * emulparams/elf64lriscv-defs.sh,
* emulparams/elf64lriscv.sh, * emulparams/elf64lriscv_lp64.sh,
* emulparams/elf64lriscv_lp64f.sh, * emulparams/elf64ltsmip.sh,
* emulparams/elf64ltsmip_fbsd.sh, * emulparams/elf64ppc.sh,
* emulparams/elf64ppc_fbsd.sh, * emulparams/elf64rdos.sh,
* emulparams/elf64tilegx_be.sh, * emulparams/elf_i386.sh,
* emulparams/elf_i386_be.sh, * emulparams/elf_i386_fbsd.sh,
* emulparams/elf_i386_ldso.sh, * emulparams/elf_i386_nacl.sh,
* emulparams/elf_i386_sol2.sh, * emulparams/elf_i386_vxworks.sh,
* emulparams/elf_iamcu.sh, * emulparams/elf_k1om.sh,
* emulparams/elf_k1om_fbsd.sh, * emulparams/elf_l1om.sh,
* emulparams/elf_l1om_fbsd.sh, * emulparams/elf_x86_64.sh,
* emulparams/elf_x86_64_cloudabi.sh,
* emulparams/elf_x86_64_fbsd.sh, * emulparams/elf_x86_64_nacl.sh,
* emulparams/elf_x86_64_sol2.sh, * emulparams/h8300helf.sh,
* emulparams/h8300helf_linux.sh, * emulparams/h8300hnelf.sh,
* emulparams/h8300self.sh, * emulparams/h8300self_linux.sh,
* emulparams/h8300snelf.sh, * emulparams/h8300sxelf.sh,
* emulparams/h8300sxelf_linux.sh, * emulparams/h8300sxnelf.sh,
* emulparams/hppanbsd.sh, * emulparams/hppaobsd.sh,
* emulparams/m32rlelf.sh, * emulparams/m32rlelf_linux.sh,
* emulparams/m68kelfnbsd.sh, * emulparams/mn10300.sh,
* emulparams/msp430X.sh, * emulparams/nds32belf.sh,
* emulparams/nds32belf16m.sh, * emulparams/nds32belf_linux.sh,
* emulparams/pjlelf.sh, * emulparams/ppclynx.sh,
* emulparams/score7_elf.sh, * emulparams/shelf_fd.sh,
* emulparams/shelf_linux.sh, * emulparams/shelf_nbsd.sh,
* emulparams/shelf_uclinux.sh, * emulparams/shelf_vxworks.sh,
* emulparams/shl.sh, * emulparams/shlelf.sh,
* emulparams/shlelf_fd.sh, * emulparams/shlelf_nbsd.sh,
* emulparams/shlelf_vxworks.sh: Use source_sh.
* genscripts.sh: Adjust for changed parameters. Emit dependencies
for e*.c to .deps/*.Pc.
(source_sh): New function, use it throughout to source scripts.
* genscrba.sh (source_em): Use source_sh.
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With this patch dedicated linker scripts can be generated for partial
relro triggered by defining GENERATE_RELRO_SCRIPT in the target
specific scripts.
This is necessary for e.g. S/390 where usually the .got.plt comes
first and prevents the relro segment from being extended across the
non-plt GOT entries.
The patch started with the work from Marcin taken from the mwk user
branches. However, the patch needed substantial changes due to the
'separate code' feature which got committed in the meantime.
ld/ChangeLog:
2018-07-18 Andreas Krebbel <krebbel@linux.ibm.com>
Marcin KoĆcielnicki <koriakin@0x04.net>
* emultempl/elf32.em: Add code to pick dedicated linker scripts
for partial relro.
* genscripts.sh: Generate dedicated linker scripts for partial relro.
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ld/
PR ld/22962
* Makefile.am (ALL_EMULATION_SOURCES): Add eelf32lriscv_ilp32f.c,
eelf32lriscv_ilp32.c, eelf64lriscv_lp64f.c, eelf64lriscv_lp64.c.
(eelf32lriscv_ilp32f.c, eelf32lriscv_ilp32.c): New build rules.
(eelf64lriscv_lp64f.c, eelf64lriscv_lp64.c): New build rules.
* Makefile.in: Regenerated.
* configure.tgt (riscv32*-*-linux*, riscv64*-*-linux*): New.
* ld/emulparams/elf32lriscv.sh: Set LIBPATH_SUFFIX.
* ld/emulparams/elf32lriscv_ilp32.sh: New.
* ld/emulparams/elf32lriscv_ilp32f.sh: New.
* ld/emulparams/elf64lriscv-defs.sh: Don't set LIBPATH_SUFFIX here.
* ld/emulparams/elf64lriscv.sh: Set LIBPATH_SUFFIX.
* ld/emulparams/elf64lriscv_lp64.sh: New.
* ld/emulparams/elf64lriscv_lp64f.sh: New.
* ld/genscripts.sh (append_to_lib_path): Change LIBPATH_SUFFIX test to
a for. Inside loop, change LIBPATH_SUFFIX uses to libpath_suffix.
(LIB_PATH): In LIB_PATH if, add loop for LIBPATH_SUFFIX, changes uses
inside loop to libpath_suffix.
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The new "-z separate-code" option will generate separate code LOAD
segment which must be in wholly disjoint pages from any other data.
include/
PR ld/22393
* bfdlink.h (bfd_link_info): Add separate_code.
ld/
PR ld/22393
* NEWS: Mention "-z separate-code".
* emultempl/elf32.em (gld${EMULATION_NAME}_get_script): Get
builtin linker scripts and return linker scripts from disk for
"-z separate-code".
(gld${EMULATION_NAME}_handle_option): Handle "-z separate-code"
and "-z noseparate-code".
* genscripts.sh: Generate linker scripts for "-z separate-code".
(LD_FLAG): Set to *textonly for "-z separate-code".
* ld.texinfo: Document "-z separate-code".
* lexsup.c (elf_shlib_list_options): Add linker help messsages
for "-z separate-code" and "-z noseparate-code".
* scripttempl/elf.sc (SEPARATE_TEXT): New
(TEXT_SEGMENT_ALIGN): Likewise.
Use ${TEXT_SEGMENT_ALIGN} to align and pad text segment to
${MAXPAGESIZE}.
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* pe-dll.c: Formatting, whitespace fixes.
* NEWS: Whitespace fixes.
* configure.ac: Likewise.
* configure.tgt: Likewise.
* deffilep.y: Likewise.
* genscripts.sh: Likewise.
* ld.texinfo: Likewise.
* ldgram.y: Likewise.
* ldlang.c: Likewise.
* ldlex.l: Likewise.
* lexsup.c: Likewise.
* plugin.c: Likewise.
* emulparams/arc-endianness.sh: Likewise.
* emulparams/elf32_x86_64.sh: Likewise.
* emulparams/elf64mmix.sh: Likewise.
* emulparams/elf_x86_64.sh: Likewise.
* emulparams/h8300elf.sh: Likewise.
* emulparams/h8300elf_linux.sh: Likewise.
* emulparams/vxworks.sh: Likewise.
* emultempl/aarch64elf.em: Likewise.
* emultempl/aix.em: Likewise.
* emultempl/armelf.em: Likewise.
* emultempl/avrelf.em: Likewise.
* emultempl/beos.em: Likewise.
* emultempl/hppaelf.em: Likewise.
* emultempl/m68kcoff.em: Likewise.
* emultempl/m68kelf.em: Likewise.
* emultempl/metagelf.em: Likewise.
* emultempl/msp430.em: Likewise.
* emultempl/nds32elf.em: Likewise.
* emultempl/pe.em: Likewise.
* emultempl/pep.em: Likewise.
* emultempl/ppc64elf.em: Likewise.
* emultempl/sh64elf.em: Likewise.
* emultempl/spu_ovl.S: Likewise.
* emultempl/spuelf.em: Likewise.
* emultempl/tic6xdsbt.em: Likewise.
* emultempl/ticoff.em: Likewise.
* emultempl/vms.em: Likewise.
* po/Make-in: Likewise.
* scripttempl/DWARF.sc: Likewise.
* scripttempl/aix.sc: Likewise.
* scripttempl/alpha.sc: Likewise.
* scripttempl/alphavms.sc: Likewise.
* scripttempl/aout.sc: Likewise.
* scripttempl/arclinux.sc: Likewise.
* scripttempl/armaout.sc: Likewise.
* scripttempl/armbpabi.sc: Likewise.
* scripttempl/armcoff.sc: Likewise.
* scripttempl/avr.sc: Likewise.
* scripttempl/crisaout.sc: Likewise.
* scripttempl/delta68.sc: Likewise.
* scripttempl/dlx.sc: Likewise.
* scripttempl/elf.sc: Likewise.
* scripttempl/elf32cr16.sc: Likewise.
* scripttempl/elf32cr16c.sc: Likewise.
* scripttempl/elf32crx.sc: Likewise.
* scripttempl/elf32msp430.sc: Likewise.
* scripttempl/elf32msp430_3.sc: Likewise.
* scripttempl/elf32sh-symbian.sc: Likewise.
* scripttempl/elf32xc16x.sc: Likewise.
* scripttempl/elf32xc16xl.sc: Likewise.
* scripttempl/elf32xc16xs.sc: Likewise.
* scripttempl/elf64hppa.sc: Likewise.
* scripttempl/elf_chaos.sc: Likewise.
* scripttempl/elfarc.sc: Likewise.
* scripttempl/elfarcv2.sc: Likewise.
* scripttempl/elfd10v.sc: Likewise.
* scripttempl/elfd30v.sc: Likewise.
* scripttempl/elfi370.sc: Likewise.
* scripttempl/elfm68hc11.sc: Likewise.
* scripttempl/elfm68hc12.sc: Likewise.
* scripttempl/elfmicroblaze.sc: Likewise.
* scripttempl/elfxgate.sc: Likewise.
* scripttempl/elfxtensa.sc: Likewise.
* scripttempl/epiphany_4x4.sc: Likewise.
* scripttempl/epocpe.sc: Likewise.
* scripttempl/h8300.sc: Likewise.
* scripttempl/h8300h.sc: Likewise.
* scripttempl/h8300hn.sc: Likewise.
* scripttempl/h8300s.sc: Likewise.
* scripttempl/h8300sn.sc: Likewise.
* scripttempl/h8300sx.sc: Likewise.
* scripttempl/h8300sxn.sc: Likewise.
* scripttempl/h8500.sc: Likewise.
* scripttempl/h8500b.sc: Likewise.
* scripttempl/h8500c.sc: Likewise.
* scripttempl/h8500m.sc: Likewise.
* scripttempl/h8500s.sc: Likewise.
* scripttempl/hppaelf.sc: Likewise.
* scripttempl/i386beos.sc: Likewise.
* scripttempl/i386coff.sc: Likewise.
* scripttempl/i386go32.sc: Likewise.
* scripttempl/i386msdos.sc: Likewise.
* scripttempl/i860coff.sc: Likewise.
* scripttempl/i960.sc: Likewise.
* scripttempl/ia64vms.sc: Likewise.
* scripttempl/ip2k.sc: Likewise.
* scripttempl/iq2000.sc: Likewise.
* scripttempl/m68kaux.sc: Likewise.
* scripttempl/m68kcoff.sc: Likewise.
* scripttempl/m88kbcs.sc: Likewise.
* scripttempl/mcorepe.sc: Likewise.
* scripttempl/mep.sc: Likewise.
* scripttempl/mips.sc: Likewise.
* scripttempl/mipsbsd.sc: Likewise.
* scripttempl/mmo.sc: Likewise.
* scripttempl/moxie.sc: Likewise.
* scripttempl/nds32elf.sc: Likewise.
* scripttempl/nw.sc: Likewise.
* scripttempl/pe.sc: Likewise.
* scripttempl/pep.sc: Likewise.
* scripttempl/pj.sc: Likewise.
* scripttempl/ppcpe.sc: Likewise.
* scripttempl/psos.sc: Likewise.
* scripttempl/riscix.sc: Likewise.
* scripttempl/sh.sc: Likewise.
* scripttempl/sparccoff.sc: Likewise.
* scripttempl/st2000.sc: Likewise.
* scripttempl/tic30aout.sc: Likewise.
* scripttempl/tic30coff.sc: Likewise.
* scripttempl/tic4xcoff.sc: Likewise.
* scripttempl/tic54xcoff.sc: Likewise.
* scripttempl/tic80coff.sc: Likewise.
* scripttempl/v850.sc: Likewise.
* scripttempl/v850_rh850.sc: Likewise.
* scripttempl/vanilla.sc: Likewise.
* scripttempl/visium.sc: Likewise.
* scripttempl/w65.sc: Likewise.
* scripttempl/xstormy16.sc: Likewise.
* scripttempl/z80.sc: Likewise.
* scripttempl/z8000.sc: Likewise.
* configure: Regenerate.
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bfin, msp, and score all used an extra parameter to genscripts.sh
to select a "customizer_script" different from the standard one
named from the emulation. This patch renames the scripts to avoid
the need, tidying them in the process.
* emulparams/elf32bfin.sh: Rename from bfin.sh.
* emulparams/elf32bfinfd.sh: Update to suit.
* emulparams/: Delete.
* emulparams/msp430.sh: Rename from msp430all.sh. Remove
MSP430_NAME and msp430X vars.
* emulparams/msp430X.sh: New.
* emulparams/: Delete.
* emulparams/score3_elf.sh: Rename from scoreelf.sh. Remove
SCORE_NAME and score7_elf ARCH setting.
* emulparams/score7_elf.sh: New.
* Makefile.am (eelf32bfin.c, eelf32bfinfd.c): Update dependencies.
(emsp430.c, emsp430X.c, escore3_elf.c, escore7_elf.c): Likewise.
* Makefile.in: Regenerate.
* genscripts.sh: Delete customizer_script param.
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Mucking with EMULATION_LIBPATH has unwanted side effects. Allow nds32
emulparams scripts to disable compiled-in scripts naturally, by
setting COMPILE_IN=no.
* genscripts.sh (COMPILE_IN): Don't set if already set.
* emulparams/nds32elf.sh: Don't clear EMULATION_LIBPATH, set
COMPILE_IN=no.
* emulparams/nds32elf16m.sh: Likewise.
* emulparams/nds32elf_linux.sh: Likewise.
* emultempl/aix.em: Test COMPILE_IN value is "yes".
* emultempl/armcoff.em: Likewise.
* emultempl/elf32.em: Likewise.
* emultempl/generic.em: Likewise.
* emultempl/gld960.em: Likewise.
* emultempl/gld960c.em: Likewise.
* emultempl/linux.em: Likewise.
* emultempl/lnk960.em: Likewise.
* emultempl/m68kcoff.em: Likewise.
* emultempl/sunos.em: Likewise.
* emultempl/ticoff.em: Likewise.
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On Linux/x86-64, when binutils is configured with --libdir=/usr/lib64,
genscripts.sh treats /usr/lib64 as the default search directory. It
puts /usr/lib64 in linker scripts for all emulations, like
---
/* Script for -z combreloc: combine and sort reloc sections */
OUTPUT_FORMAT("elf32-i386", "elf32-i386",
"elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(_start)
SEARCH_DIR("/usr/x86_64-redhat-linux/lib32");
SEARCH_DIR("/usr/i386-redhat-linux/lib32"); SEARCH_DIR("/usr/lib6432");
SEARCH_DIR("/usr/local/lib32"); SEARCH_DIR("/lib32");
SEARCH_DIR("/usr/lib32"); SEARCH_DIR("/usr/i386-redhat-linux/lib");
SEARCH_DIR("/usr/lib64"); SEARCH_DIR("/usr/local/lib");
SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
---
/usr/lib6432 is odd and /usr/lib64 is wrong. This patch changes
genscripts.sh to check LIBPATH_SUFFIX_SKIP if it is defined. It
skips directories with LIBPATH_SUFFIX_SKIP suffix.
PR ld/16456
* genscripts.sh: Don't search directory with LIBPATH_SUFFIX_SKIP
suffix.
* emulparams/elf32_x86_64.sh (LIBPATH_SUFFIX_SKIP): Set to 64
for elf32_x86_64 emulation.
* emulparams/elf_i386.sh (LIBPATH_SUFFIX_SKIP): Set to 64
for elf_i386 emulation.
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sysrooted. Also, don't always add tooldir when non-sysrooted.
Instead add both when native and tooldir also when TOOL_DIR is
defined. Always prepend '=' to paths when sysrooted. Always
put paths with LIBPATH_SUFFIX first in search order.
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bfd/
2010-12-15 H.J. Lu <hongjiu.lu@intel.com>
* elf.c (_bfd_elf_new_section_hook): Special handling for
.init_array/.fini_array output sections.
ld/
2010-12-15 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.am (GENSCRIPTS): Add @enable_initfini_array@.
* NEWS: Mention SORT_BY_INIT_PRIORITY.
* configure.in: Add AC_CANONICAL_BUILD.
Add --enable-initfini-array.
* genscripts.sh (ENABLE_INITFINI_ARRAY): New.
* ld.h (sort_type): Add by_init_priority.
* ld.texinfo: Document SORT_BY_INIT_PRIORITY.
* ldgram.y (SORT_BY_INIT_PRIORITY): New.
(wildcard_spec): Handle SORT_BY_INIT_PRIORITY.
* ldlang.c (get_init_priority): New.
(compare_section): Use get_init_priority for by_init_priority.
* ldlex.l (SORT_BY_INIT_PRIORITY): New.
* scripttempl/elf.sc: Support ENABLE_INITFINI_ARRAY.
* Makefile.in: Regenerated.
* aclocal.m4: Regenerated.
* config.in: Likewise.
* configure: Likewise.
ld/testsuite/
2010-12-15 H.J. Lu <hongjiu.lu@intel.com>
* ld-elf/elf.exp (array_tests): Add init-mixed.
(array_tests_static): Likewise.
Also delete tmpdir/init-mixed.
* ld-elf/init-mixed.c: New.
* ld-elf/init-mixed.out: Likewise.
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* genscripts.sh: Don't pass $EMULATION_NAME as $CUSTOMIZER_SCRIPT
param.
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* genscripts.sh: Check for the existence of BASH_LINENO not just the BASH
shell before generating line numbers in the emulation file.
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{TOOL_LIB} in the search paths for multilibbed targets.
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* genscripts.sh: Move bash script to..
* genscrba.sh: ..here.
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* genscript.sh: Add support for generating a .xa script for use with the --auto-import option.
* ld.texinfo: Document the new behaviour of the --auto-import option.
* ldint.texinfo: Document new script generation.
* emulparams/i386pe.sh (GENERATE_AUTO_IMPORT): Define.
* emulparams/i386pe_posix.sh (GENERATE_AUTO_IMPORT): Define.
* emulparams/i386pep.sh (GENERATE_AUTO_IMPORT): Define.
* emultemp/pe.em (..._get_script): Support the use of the auto import script.
* scripttempl/pe.sc: Put the .rdata input sections into the .data output section when creating an auto import script.
* scripttempl/pep.sc: Likewise.
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* genscripts.sh: Delete all references to NONPAGED_TEXT_START_ADDR.
* ldint.texinfo: Likewise.
* emulparams/armaoutb.sh (NONPAGED_TEXT_START_ADDRESS): Delete.
* emulparams/armaoutl.sh: Likewise.
* emulparams/arcelf.sh (NONPAGED_TEXT_START_ADDR): Delete.
* emulparams/bfin.sh: Likewise
* emulparams/crisaout.sh: Likewise
* emulparams/elf32_sparc.sh: Likewise
* emulparams/elf32am33lin.sh: Likewise
* emulparams/elf32b4300.sh: Likewise
* emulparams/elf32bmip.sh: Likewise
* emulparams/elf32mcore.sh: Likewise
* emulparams/elf32xtensa.sh: Likewise
* emulparams/elf64_s390.sh: Likewise
* emulparams/elf64_sparc.sh: Likewise
* emulparams/elf64alpha.sh: Likewise
* emulparams/elf_i386.sh: Likewise
* emulparams/elf_i386_be.sh: Likewise
* emulparams/elf_i386_chaos.sh: Likewise
* emulparams/elf_i386_ldso.sh: Likewise
* emulparams/elf_i386_vxworks.sh: Likewise
* emulparams/elf_s390.sh: Likewise
* emulparams/elf_x86_64.sh: Likewise
* emulparams/i386aout.sh: Likewise
* emulparams/i386moss.sh: Likewise
* emulparams/i386msdos.sh: Likewise
* emulparams/i386nto.sh: Likewise
* emulparams/i386nw.sh: Likewise
* emulparams/m68kaout.sh: Likewise
* emulparams/m68kelf.sh: Likewise
* emulparams/ppcnw.sh: Likewise
* emulparams/sun4.sh: Likewise
* emulparams/tic80coff.sh: Likewise
* emulparams/vaxnbsd.sh: Likewise
* emulparams/armnbsd.sh (NONPAGED_TEXT_START_ADDR): Delete.
(TEXT_START_ADDR): Set for -n, -N.
* emulparams/coff_sparc.sh: Likewise
* emulparams/elf32vax.sh: Likewise
* emulparams/i386bsd.sh: Likewise
* emulparams/i386go32.sh: Likewise
* emulparams/i386linux.sh: Likewise
* emulparams/i386lynx.sh: Likewise
* emulparams/i386mach.sh: Likewise
* emulparams/m68k4knbsd.sh: Likewise
* emulparams/m68klinux.sh: Likewise
* emulparams/m68knbsd.sh: Likewise
* emulparams/ns32knbsd.sh: Likewise
* emulparams/pc532macha.sh: Likewise
* emulparams/ppclynx.sh: Likewise
* emulparams/scoreelf.sh: Likewise
* emulparams/sparcaout.sh: Likewise
* emulparams/sparclinux.sh: Likewise
* emulparams/sun3.sh: Likewise
* emulparams/vsta.sh: Likewise
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* genscripts.sh (source_em, fragment): New sh functions.
Truncate e${EMULATION_NAME}.c file before .em script fills it.
Use source_em in place of . for the .em script.
* emultempl/generic.em: Use fragment and source_em functions.
* emultempl/aix.em: Likewise.
* emultempl/alphaelf.em: Likewise.
* emultempl/armcoff.em: Likewise.
* emultempl/armelf.em: Likewise.
* emultempl/avrelf.em: Likewise.
* emultempl/beos.em: Likewise.
* emultempl/cr16elf.em: Likewise.
* emultempl/crxelf.em: Likewise.
* emultempl/elf-generic.em: Likewise.
* emultempl/elf32.em: Likewise.
* emultempl/genelf.em: Likewise.
* emultempl/gld960.em: Likewise.
* emultempl/gld960c.em: Likewise.
* emultempl/hppaelf.em: Likewise.
* emultempl/ia64elf.em: Likewise.
* emultempl/irix.em: Likewise.
* emultempl/linux.em: Likewise.
* emultempl/lnk960.em: Likewise.
* emultempl/m68hc1xelf.em: Likewise.
* emultempl/m68kcoff.em: Likewise.
* emultempl/m68kelf.em: Likewise.
* emultempl/mipsecoff.em: Likewise.
* emultempl/mipself.em: Likewise.
* emultempl/mmix-elfnmmo.em: Likewise.
* emultempl/mmixelf.em: Likewise.
* emultempl/mmo.em: Likewise.
* emultempl/needrelax.em: Likewise.
* emultempl/netbsd.em: Likewise.
* emultempl/pe.em: Likewise.
* emultempl/pep.em: Likewise.
* emultempl/ppc32elf.em: Likewise.
* emultempl/ppc64elf.em: Likewise.
* emultempl/scoreelf.em: Likewise.
* emultempl/sh64elf.em: Likewise.
* emultempl/spuelf.em: Likewise.
* emultempl/sunos.em: Likewise.
* emultempl/ticoff.em: Likewise.
* emultempl/vanilla.em: Likewise.
* emultempl/vxworks.em: Likewise.
* emultempl/xtensaelf.em: Likewise.
* emultempl/z80.em: Likewise.
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* Makefile.in: Regenerate.
* genscripts.sh: Adjust for extra parameter.
* emultempl/elf32.em (parse_ld_so_conf): Return true iff file
exists.
(check_ld_so_conf): Use ${prefix}/etc/ld.so.conf if it exists.
* NEWS: Update.
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* genscripts.sh (libpath.exp): Really generate for first
emulation only.
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* 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.
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GENSCRIPTS and GEN_DEPENDS in place of these.
* Makefile.in: Regenerate.
* genscripts_extra.sh: Delete. Merge extra functionality to..
* genscripts.sh: ..here.
* emulparams/gld960.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Define.
* emulparams/gld960coff.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Ditto.
* emulparams/lnk960.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Ditto.
* emulparams/m88kbcs.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Ditto.
* emulparams/vanilla.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Ditto.
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(LIB_PATH): Correct order of paths. Don't add $tool_lib when
already present or when LIB_PATH is set to ":".
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* elflink.h (elf_link_add_object_symbols): Use !info->executable
instead of info->shared where appropriate.
(bfd_elfNN_size_dynamic_sections, elf_link_output_extsym): Likewise.
* elflink.c (_bfd_elf_create_got_section): Likewise.
(_bfd_elf_link_create_dynamic_sections): Likewise.
(_bfd_elf_link_assign_sym_version): Likewise.
* elf32-i386.c (elf_i386_size_dynamic_sections): Create .interp section
and DT_DEBUG dynamic tag even for position independent executables.
* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
* elf32-s390.c (elf_s390_size_dynamic_sections: Likewise.
* elf64-ppc.c (ppc64_elf_size_dynamic_sections: Likewise.
* elf64-s390.c (elf_s390_size_dynamic_sections: Likewise.
* elf64-x86-64.c (elf64_x86_64_size_dynamic_sections: Likewise.
* elfxx-ia64.c (elfNN_ia64_size_dynamic_sections: Likewise.
* elf32-sparc.c (elf32_sparc_size_dynamic_sections: Likewise.
* elf64-alpha.c (elf64_alpha_size_dynamic_sections: Likewise.
* elf64-sparc.c (sparc64_elf_size_dynamic_sections: Likewise.
include/
* bfdlink.h (struct bfd_link_info): Add pie and executable
bits.
ld/
* lexsup.c (OPTION_PIE): Define.
(ld_options): Add -pie and --pic-executable options.
(parse_args): Handle OPTION_PIE.
* ldmain.c (main): Initialize link_info.pie and
link_info.executable.
* genscripts.sh: Generate PIE scripts.
* ld.texinfo: Document -pie and --pic-executable options.
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open):
(gld${EMULATION_NAME}_place_orphan): Likewise.
(gld${EMULATION_NAME}_get_script): Include PIE scripts.
* scripttempl/elf.sc: In PIE scripts set . the same way as in
shared scripts.
* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Set to yes.
* emulparams/elf64_ia64.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf32ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf_x86_64.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf32_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64alpha.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Likewise.
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2003-05-30 H.J. Lu <hongjiu.lu@intel.com>
* genscripts.sh: Create tmpdir/libpath.exp.
ld/testsuite/
2003-05-30 H.J. Lu <hongjiu.lu@intel.com>
* config/default.exp: Load tmpdir/libpath.exp.
(gcc_ld_flag): Set from $libpath.
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which already have it. Avoid duplicates.
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* Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@.
(GENSCRIPTS): Add @use_sysroot@.
* Makefile.in: Regenerated.
* configure.host: Move setting of NATIVE_LIB_DIRS to...
* configure.tgt: ... here. Use ${target} instead of ${host}
for NATIVE_LIB_DIRS.
* configure.in: Add --with-sysroot.
* configure: Regenerated.
* genscripts.sh: Accept use_sysroot option. Set new variables
NATIVE and USE_LIBPATH. Prepend "=" to directory names if
$use_sysroot. Don't search $tool_lib if $use_sysroot.
* ldfile.c (ldfile_add_library_path): Handle leading '='.
* ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined.
(ld_sysroot): New variable.
(main): Initialize ld_sysroot.
* ldmain.h (ld_sysroot): New extern.
* emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of
searching $EMULATION_LIBPATH.
(gld${EMULATION_NAME}_add_sysroot): New function.
(gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot.
(gld${EMULATION_NAME}_after_open): Likewise. Only search
environment variables if $NATIVE.
* ld.texinfo (Options): Mention "=" prefix in the description of -L.
* NEWS: Mention --with-sysroot.
* emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX
instead of setting LIB_PATH.
* emulparams/elf32ppc.sh: Likewise.
* emulparams/elf64_s390.sh: Likewise.
* emulparams/elf64_sparc.sh: Likewise.
* emulparams/elf64ppc.sh: Likewise.
* emulparams/elf_x86_64.sh: Likewise.
* emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH.
* emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
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TARGET_PAGE_SIZE.
* scripttempl/elf.sc (DATA_SEGMENT_ALIGN): Incorporate
SEGMENT_SIZE alignment.
* emulparams/elf64ppc.sh (DATA_ADDR): Delete.
(SEGMENT_SIZE): Define.
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and $NATIVE_LIB_DIRS. Add $tool_lib before other libs.
(LIB_SEARCH_DIRS): No need to use "tr".
(COMPILE_IN): Only set for native targets.
* configure.host (NATIVE_LIB_DIRS): Specify all native search dirs
here, rather than adding lib:/usr/lib:/usr/local/lib in genscripts.sh.
* configure.tgt (powerpc*): Set tdir_*.
(powerpcle*): Correct targ_extra_emuls.
* emulparams/elf32ppc.sh (LIB_PATH): Set up native 64 bit dirs.
* emulparams/elf64ppc.sh (LIB_PATH): Likewise.
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* genscripts.sh: Fix a typo in the last change.
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script, explaining its purpose.
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(struct elf_backend_data): Add elf_backend_reloc_type_class.
(_bfd_elf_reloc_type_class): New.
* elfxx-target.h (elf_backend_reloc_type_class): Define.
(elfNN_bed): Add elf_backend_reloc_type_class.
* elf.c (_bfd_elf_reloc_type_class): New.
* elf32-i386.c (elf_i386_check_relocs): Set DF_TEXTREL if the reloc
is against read-only section.
(elf_i386_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(elf_i386_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elf32-sparc.c (elf32_sparc_check_relocs): Set DF_TEXTREL if the
reloc is against read-only section.
(elf32_sparc_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(elf32_sparc_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elf64-sparc.c (sparc64_elf_check_relocs): Set DF_TEXTREL if the
reloc is against read-only section.
(sparc64_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(sparc64_elf_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elfxx-ia64.c (struct elfNN_ia64_link_hash_table): Add reltext field.
(elfNN_ia64_hash_table_create): Clear ia64_info.
(get_reloc_section): Set DF_TEXTREL if the reloc is against read-only
section.
(elfNN_ia64_size_dynamic_sections): Use ia64_info->reltext flag
instead of looking up section names for DT_TEXTREL.
(elfNN_ia64_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elflink.h (size_dynamic_sections): Add spare DT_NULL tags.
(struct elf_link_sort_rela): New.
(elf_link_sort_cmp1, elf_link_sort_cmp2, elf_link_sort_relocs): New.
(elf_bfd_final_link): Call elf_link_sort_relocs.
Convert one spare DT_NULL into DT_RELCOUNT resp. DT_RELACOUNT if
necessary.
* bfdlink.h (struct bfd_link_info): Add combreloc and
spare_dynamic_tags fields.
* emultempl/elf32.em (place_orphan): Place orphan .rel* sections
into .rel.dyn resp. .rela.dyn if combreloc.
(get_script): If .x linker script is equal to .xn, only put it
once into the binary.
Add .xc and .xsc scripts.
(parse_args): Handle -z combreloc and -z nocombreloc.
* scripttempl/elf.sc (.rela.sbss): Fix a typo.
For .xc and .xsc scripts put all .rel* or .rela* input sections
but .rel*.plt and PLT-like sections into .rel.dyn resp. .rela.dyn.
* genscripts.sh (GENERATE_COMBRELOC_SCRIPT): Set if SCRIPT_NAME
is elf.
Strip trailing whitespace from script.
Generate .xc and .xsc scripts if requested.
* ldmain.c (main): Initialize link_info.combreloc and
link_info.spare_dynamic_tags.
* lexsup.c (OPTION_SPARE_DYNAMIC_TAGS): Define.
(ld_options): Add --spare-dynamic-tags option.
(parse_args): Likewise.
* ld.texinfo: Document -z combreloc and -z nocombreloc.
* ldint.texinfo: Document .xc and .xsc linker scripts.
* NEWS: Add notes about -z combreloc and SHF_MERGE.
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script is generated so that variables like `RELOCATING' may affect
variables defined in the emulparams script.
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