diff options
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 42 | ||||
| -rw-r--r-- | bfd/Makefile.am | 8 | ||||
| -rw-r--r-- | bfd/Makefile.in | 8 | ||||
| -rw-r--r-- | bfd/config.bfd | 2 | ||||
| -rwxr-xr-x | bfd/configure | 272 | ||||
| -rw-r--r-- | bfd/configure.in | 5 | ||||
| -rw-r--r-- | bfd/elf-bfd.h | 6 | ||||
| -rw-r--r-- | bfd/elf-vxworks.c | 151 | ||||
| -rw-r--r-- | bfd/elf-vxworks.h | 32 | ||||
| -rw-r--r-- | bfd/elf32-i386.c | 296 | ||||
| -rw-r--r-- | bfd/elflink.c | 31 | ||||
| -rw-r--r-- | bfd/elfxx-target.h | 2 | ||||
| -rw-r--r-- | bfd/targets.c | 2 |
13 files changed, 640 insertions, 217 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 1f8c056..c26255d 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,45 @@ +2005-05-05 Paul Brook <paul@codesourcery.com> + + * config.bfd: Use bfd_elf32_i386_vxworks_vec for i?86-*-vxworks. + * configure.in: Add bfd_elf32_i386_vxworks_vec. i386 targets need + elf-vxworks.lo. + * configure: Regenerate. + * Makefile.am (BFD32_BACKENDS): Add elf-vxworks.lo. + (BFD32_BACKENDS_CFILES): Add elf-vxworks.c. + (elf32-i386.lo): Depend on elf-vxworks.h. + (elf-vxworks.lo): New rule. + * Makefile.in: Regenerate. + * elf-bfd.h (elf_backend_data): Update type of + elf_backend_emit_relocs. + (_bfd_elf_link_output_relocs): Update prototype. + * elflink.c (_bfd_elf_link_output_relocs): Always use + bed->elf_backend_emit_relocs when outputting relocations. + * elfxx-target.h (elf_backend_emit_relocs): Default to + _bfd_elf_link_output_relocs. + * targets.c (bfd_elf32_i386_vxworks_vec): Declare. + (_bfd_target_vector): Add bfd_elf32_i386_vxworks_vec. + * elf32-i386.c: Add elf32-i386-vxworks target BFD. + (elf_i386_plt0_entry): Remove padding. + (elf_i386_pic_plt0_entry): Ditto. + (PLTRESOLVE_RELOCS_SHLIB, PLTRESOLVE_RELOCS): Define. + (PLT_NON_JUMP_SLOT_RELOCS): Define. + (elf_i386_link_hash_table): Add srelplt2, hgot, hplt, is_vxworks and + plt0_pad_byte fields. + (elf_i386_link_hash_table_create): Zero them. + (elf_i386_create_dynamic_sections): Create static relocation section. + (allocate_dynrelocs): Allocate space for static PLT relocations. + (elf_i386_size_dynamic_sections): Save shortcuts to PLT and GOT + symbols. Give PLT symbols function type. Don't strip PLT sections + if we have exported symbols from them. + (elf_i386_finish_dynamic_symbol): Fill in VxWorks PLT static + relocation section. Don't mark _GLOBAL_OFFSET_TABLE_ as absolute on + VxWorks. + (elf_i386_finish_dynamic_sections): Allow different pad bytes. + Add relocation for GOT location. Fill in PLT static relocations. + (elf_i386_vxworks_link_hash_table_create): New function. + (elf_i386_vxworks_link_output_symbol_hook): New function. + * elf-vxworks.h: New file. + 2005-05-05 H.J. Lu <hongjiu.lu@intel.com> * section.c (bfd_make_section_anyway_with_flags): New. diff --git a/bfd/Makefile.am b/bfd/Makefile.am index c476a21..f66bccf 100644 --- a/bfd/Makefile.am +++ b/bfd/Makefile.am @@ -271,6 +271,7 @@ BFD32_BACKENDS = \ elflink.lo \ elf-strtab.lo \ elf-eh-frame.lo \ + elf-vxworks.lo \ epoc-pe-arm.lo \ epoc-pei-arm.lo \ hp300bsd.lo \ @@ -440,6 +441,7 @@ BFD32_BACKENDS_CFILES = \ elflink.c \ elf-strtab.c \ elf-eh-frame.c \ + elf-vxworks.c \ epoc-pe-arm.c \ epoc-pei-arm.c \ hp300bsd.c \ @@ -1263,7 +1265,7 @@ elf32-i370.lo: elf32-i370.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \ elf32-i386.lo: elf32-i386.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \ $(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \ $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/i386.h \ - $(INCDIR)/elf/reloc-macros.h elf32-target.h + $(INCDIR)/elf/reloc-macros.h elf32-target.h elf-vxworks.h elf32-i860.lo: elf32-i860.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h \ elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \ $(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h $(INCDIR)/elf/i860.h \ @@ -1422,6 +1424,10 @@ elf-eh-frame.lo: elf-eh-frame.c $(INCDIR)/filenames.h \ $(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \ $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h \ $(INCDIR)/elf/dwarf2.h +elf-vxworks.lo: elf-vxworks.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \ + $(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \ + $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h \ + $(INCDIR)/elf/reloc-macros.h elf-vxworks.h epoc-pe-arm.lo: epoc-pe-arm.c pe-arm.c $(INCDIR)/filenames.h \ coff-arm.c $(INCDIR)/hashtab.h $(INCDIR)/coff/arm.h \ $(INCDIR)/coff/external.h $(INCDIR)/coff/internal.h \ diff --git a/bfd/Makefile.in b/bfd/Makefile.in index 0043b29..b80f5ec 100644 --- a/bfd/Makefile.in +++ b/bfd/Makefile.in @@ -510,6 +510,7 @@ BFD32_BACKENDS = \ elflink.lo \ elf-strtab.lo \ elf-eh-frame.lo \ + elf-vxworks.lo \ epoc-pe-arm.lo \ epoc-pei-arm.lo \ hp300bsd.lo \ @@ -679,6 +680,7 @@ BFD32_BACKENDS_CFILES = \ elflink.c \ elf-strtab.c \ elf-eh-frame.c \ + elf-vxworks.c \ epoc-pe-arm.c \ epoc-pei-arm.c \ hp300bsd.c \ @@ -1831,7 +1833,7 @@ elf32-i370.lo: elf32-i370.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \ elf32-i386.lo: elf32-i386.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \ $(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \ $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/i386.h \ - $(INCDIR)/elf/reloc-macros.h elf32-target.h + $(INCDIR)/elf/reloc-macros.h elf32-target.h elf-vxworks.h elf32-i860.lo: elf32-i860.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h \ elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \ $(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h $(INCDIR)/elf/i860.h \ @@ -1990,6 +1992,10 @@ elf-eh-frame.lo: elf-eh-frame.c $(INCDIR)/filenames.h \ $(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \ $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h \ $(INCDIR)/elf/dwarf2.h +elf-vxworks.lo: elf-vxworks.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \ + $(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \ + $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h \ + $(INCDIR)/elf/reloc-macros.h elf-vxworks.h epoc-pe-arm.lo: epoc-pe-arm.c pe-arm.c $(INCDIR)/filenames.h \ coff-arm.c $(INCDIR)/hashtab.h $(INCDIR)/coff/arm.h \ $(INCDIR)/coff/external.h $(INCDIR)/coff/internal.h \ diff --git a/bfd/config.bfd b/bfd/config.bfd index 39afd84..9bec56d 100644 --- a/bfd/config.bfd +++ b/bfd/config.bfd @@ -606,7 +606,7 @@ case "${targ}" in targ_defvec=i386aout_vec ;; i[3-7]86-*-vxworks) - targ_defvec=bfd_elf32_i386_vec + targ_defvec=bfd_elf32_i386_vxworks_vec targ_underscore=yes ;; i[3-7]86-*-chaos) diff --git a/bfd/configure b/bfd/configure index a852b86..3ebc23c 100755 --- a/bfd/configure +++ b/bfd/configure @@ -974,7 +974,7 @@ esac else echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2 fi - cd $ac_popdir + cd "$ac_popdir" done fi @@ -1998,8 +1998,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -2057,8 +2056,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -2174,8 +2172,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -2229,8 +2226,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -2275,8 +2271,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -2320,8 +2315,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -2399,8 +2393,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -2454,8 +2447,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -3975,7 +3967,7 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic" case $host in *-*-irix6*) # Find out which ABI we are using. - echo '#line 3978 "configure"' > conftest.$ac_ext + echo '#line 3970 "configure"' > conftest.$ac_ext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? @@ -4071,8 +4063,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -4775,8 +4766,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -4834,8 +4824,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -4951,8 +4940,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -5006,8 +4994,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -5052,8 +5039,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -5097,8 +5083,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -5508,8 +5493,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -5716,8 +5700,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -5777,8 +5760,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -5857,8 +5839,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -5923,8 +5904,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -5989,8 +5969,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -6054,8 +6033,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -6136,8 +6114,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -6278,8 +6255,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -6417,8 +6393,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -6602,8 +6577,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -6854,8 +6828,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -7049,8 +7022,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -7153,8 +7125,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -7225,8 +7196,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -7323,8 +7293,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -7460,8 +7429,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -7525,8 +7493,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -7581,8 +7548,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -7722,8 +7688,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -7856,8 +7821,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -8134,8 +8098,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -8407,8 +8370,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -8467,8 +8429,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -8540,8 +8501,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -8677,8 +8637,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -8829,8 +8788,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -8978,8 +8936,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9050,8 +9007,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9123,8 +9079,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9178,8 +9133,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9250,8 +9204,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9305,8 +9258,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9415,8 +9367,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9517,8 +9468,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9583,8 +9533,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9655,8 +9604,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9727,8 +9675,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9799,8 +9746,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9871,8 +9817,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -9954,8 +9899,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -10026,8 +9970,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -10098,8 +10041,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -10170,8 +10112,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -10242,8 +10183,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -10386,8 +10326,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -10614,8 +10553,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -10735,8 +10673,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -10883,8 +10820,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -10948,8 +10884,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11013,8 +10948,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11078,8 +11012,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11143,8 +11076,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11208,8 +11140,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11273,8 +11204,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11338,8 +11268,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11403,8 +11332,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11468,8 +11396,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11533,8 +11460,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11598,8 +11524,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11663,8 +11588,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11728,8 +11652,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11793,8 +11716,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -11858,8 +11780,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -12072,8 +11993,9 @@ do bfd_elf32_hppa_nbsd_vec) tb="$tb elf32-hppa.lo elf32.lo $elf" ;; bfd_elf32_hppa_vec) tb="$tb elf32-hppa.lo elf32.lo $elf" ;; bfd_elf32_i370_vec) tb="$tb elf32-i370.lo elf32.lo $elf" ;; - bfd_elf32_i386_freebsd_vec) tb="$tb elf32-i386.lo elf32.lo $elf" ;; - bfd_elf32_i386_vec) tb="$tb elf32-i386.lo elf32.lo $elf" ;; + bfd_elf32_i386_freebsd_vec) tb="$tb elf32-i386.lo elf-vxworks.lo elf32.lo $elf" ;; + bfd_elf32_i386_vxworks_vec) tb="$tb elf32-i386.lo elf-vxworks.lo elf32.lo $elf" ;; + bfd_elf32_i386_vec) tb="$tb elf32-i386.lo elf-vxworks.lo elf32.lo $elf" ;; bfd_elf32_i860_little_vec) tb="$tb elf32-i860.lo elf32.lo $elf" ;; bfd_elf32_i860_vec) tb="$tb elf32-i860.lo elf32.lo $elf" ;; bfd_elf32_i960_vec) tb="$tb elf32-i960.lo elf32.lo $elf" ;; @@ -12478,8 +12400,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -12545,8 +12466,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -12642,8 +12562,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -12827,8 +12746,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -13105,8 +13023,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' + { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? @@ -14087,11 +14004,6 @@ esac *) ac_INSTALL=$ac_top_builddir$INSTALL ;; esac - if test x"$ac_file" != x-; then - { echo "$as_me:$LINENO: creating $ac_file" >&5 -echo "$as_me: creating $ac_file" >&6;} - rm -f "$ac_file" - fi # Let's still pretend it is `configure' which instantiates (i.e., don't # use $as_me), people would be surprised to read: # /* config.h. Generated by config.status. */ @@ -14130,6 +14042,12 @@ echo "$as_me: error: cannot find input file: $f" >&2;} fi;; esac done` || { (exit 1); exit 1; } + + if test x"$ac_file" != x-; then + { echo "$as_me:$LINENO: creating $ac_file" >&5 +echo "$as_me: creating $ac_file" >&6;} + rm -f "$ac_file" + fi _ACEOF cat >>$CONFIG_STATUS <<_ACEOF sed "$ac_vpsub diff --git a/bfd/configure.in b/bfd/configure.in index b27e820..22dd2c3 100644 --- a/bfd/configure.in +++ b/bfd/configure.in @@ -591,8 +591,9 @@ do bfd_elf32_hppa_nbsd_vec) tb="$tb elf32-hppa.lo elf32.lo $elf" ;; bfd_elf32_hppa_vec) tb="$tb elf32-hppa.lo elf32.lo $elf" ;; bfd_elf32_i370_vec) tb="$tb elf32-i370.lo elf32.lo $elf" ;; - bfd_elf32_i386_freebsd_vec) tb="$tb elf32-i386.lo elf32.lo $elf" ;; - bfd_elf32_i386_vec) tb="$tb elf32-i386.lo elf32.lo $elf" ;; + bfd_elf32_i386_freebsd_vec) tb="$tb elf32-i386.lo elf-vxworks.lo elf32.lo $elf" ;; + bfd_elf32_i386_vxworks_vec) tb="$tb elf32-i386.lo elf-vxworks.lo elf32.lo $elf" ;; + bfd_elf32_i386_vec) tb="$tb elf32-i386.lo elf-vxworks.lo elf32.lo $elf" ;; bfd_elf32_i860_little_vec) tb="$tb elf32-i860.lo elf32.lo $elf" ;; bfd_elf32_i860_vec) tb="$tb elf32-i860.lo elf32.lo $elf" ;; bfd_elf32_i960_vec) tb="$tb elf32-i960.lo elf32.lo $elf" ;; diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index 6033951..47c122c 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -873,7 +873,8 @@ struct elf_backend_data /* Emit relocations. Overrides default routine for emitting relocs, except during a relocatable link, or if all relocs are being emitted. */ bfd_boolean (*elf_backend_emit_relocs) - (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *); + (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *, + struct elf_link_hash_entry **); /* Count relocations. Not called for relocatable links or if all relocs are being preserved in the output. */ @@ -1606,7 +1607,8 @@ extern bfd_boolean _bfd_elf_link_size_reloc_section (bfd *, Elf_Internal_Shdr *, asection *); extern bfd_boolean _bfd_elf_link_output_relocs - (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *); + (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *, + struct elf_link_hash_entry **); extern bfd_boolean _bfd_elf_fix_symbol_flags (struct elf_link_hash_entry *, struct elf_info_failed *); diff --git a/bfd/elf-vxworks.c b/bfd/elf-vxworks.c new file mode 100644 index 0000000..745c808 --- /dev/null +++ b/bfd/elf-vxworks.c @@ -0,0 +1,151 @@ +/* VxWorks support for ELF + Copyright 2005 Free Software Foundation, Inc. + + This file is part of BFD, the Binary File Descriptor library. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* This file provides routines used by all VxWorks targets. */ + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" +#include "elf-bfd.h" +#include "elf-vxworks.h" + +/* Tweak magic VxWorks symbols as they are loaded. */ +bfd_boolean +elf_vxworks_add_symbol_hook (bfd *abfd ATTRIBUTE_UNUSED, + struct bfd_link_info *info, + Elf_Internal_Sym *sym, + const char **namep, + flagword *flagsp, + asection **secp ATTRIBUTE_UNUSED, + bfd_vma *valp ATTRIBUTE_UNUSED) +{ + /* Ideally these "magic" symbols would be exported by libc.so.1 + which would be found via a DT_NEEDED tag, and then handled + specially by the linker at runtime. Except shared libraries + don't even link to libc.so.1 by default... + If the symbol is imported from, or will be put in a shared library, + give the symbol weak binding to get the desired samantics. + This transformation will be undone in + elf_i386_vxworks_link_output_symbol_hook. */ + if ((info->shared || abfd->flags & DYNAMIC) + && (strcmp (*namep, "__GOTT_INDEX__") == 0 + || strcmp (*namep, "__GOTT_BASE__") == 0)) + { + sym->st_info = ELF_ST_INFO (STB_WEAK, ELF_ST_TYPE (sym->st_info)); + *flagsp |= BSF_WEAK; + } + + return TRUE; +} + + +/* Tweak magic VxWorks symbols as they are written to the output file. */ +bfd_boolean +elf_vxworks_link_output_symbol_hook (const char *name, + Elf_Internal_Sym *sym) +{ + /* Reverse the effects of the hack in elf_vxworks_add_symbol_hook. */ + if (strcmp (name, "__GOTT_INDEX__") == 0 + || strcmp (name, "__GOTT_BASE__") == 0) + sym->st_info = ELF_ST_INFO (STB_GLOBAL, ELF_ST_TYPE (sym->st_info)); + + return TRUE; +} + + +/* Copy relocations into the output file. Fixes up relocations againt PLT + entries, then calls the generic routine. */ + +bfd_boolean +elf_vxworks_emit_relocs (bfd *output_bfd, + asection *input_section, + Elf_Internal_Shdr *input_rel_hdr, + Elf_Internal_Rela *internal_relocs, + struct elf_link_hash_entry **rel_hash) +{ + const struct elf_backend_data *bed; + Elf_Internal_Rela *irela; + Elf_Internal_Rela *irelaend; + int j; + + bed = get_elf_backend_data (output_bfd); + + irela = internal_relocs; + irelaend = irela + (NUM_SHDR_ENTRIES (input_rel_hdr) + * bed->s->int_rels_per_ext_rel); + while (irela < irelaend) + { + if ((output_bfd->flags & (DYNAMIC|EXEC_P)) + && *rel_hash + && (*rel_hash)->def_dynamic + && !(*rel_hash)->def_regular + && (*rel_hash)->root.type == bfd_link_hash_defined + && (*rel_hash)->root.u.def.section->output_section != NULL) + { + /* This is a relocation from an executable or shared library + against a symbol in a different shared library. We are + creating a definition in the output file but it does not come + from any of our normal (.o) files. ie. a PLT stub. + Normally this would be a relocation against against SHN_UNDEF + with the VMA of the PLT stub. This upsets the VxWorks loader. + Convert it to a section-relative relocation. + This gets some other symbols (for instance .dynbss), + but is conservatively correct. */ + for (j = 0; j < bed->s->int_rels_per_ext_rel; j++) + { + asection *sec = (*rel_hash)->root.u.def.section; + int this_idx = + elf_section_data (sec->output_section)->this_idx; + + irela[j].r_info = ELF32_R_INFO (this_idx, + ELF32_R_TYPE (irela[j].r_info)); + irela[j].r_addend += (*rel_hash)->root.u.def.value; + irela[j].r_addend += sec->output_offset; + } + /* Stop the generic routine adjusting this entry. */ + *rel_hash = NULL; + } + irela += bed->s->int_rels_per_ext_rel; + rel_hash++; + } + return _bfd_elf_link_output_relocs (output_bfd, input_section, + input_rel_hdr, internal_relocs, + rel_hash); +} + + +/* Set the sh_link and sh_info fields on the static plt relocation secton. */ + +void +elf_vxworks_final_write_processing (bfd *abfd, + bfd_boolean linker ATTRIBUTE_UNUSED) +{ + asection * sec; + struct bfd_elf_section_data *d; + + sec = bfd_get_section_by_name (abfd, ".rel.plt.unloaded"); + if (!sec) + return; + d = elf_section_data (sec); + d->this_hdr.sh_link = elf_tdata (abfd)->symtab_section; + sec = bfd_get_section_by_name (abfd, ".plt"); + if (sec) + d->this_hdr.sh_info = elf_section_data (sec)->this_idx; +} diff --git a/bfd/elf-vxworks.h b/bfd/elf-vxworks.h new file mode 100644 index 0000000..0ac422e --- /dev/null +++ b/bfd/elf-vxworks.h @@ -0,0 +1,32 @@ +/* VxWorks support for ELF + Copyright 2005 Free Software Foundation, Inc. + + This file is part of BFD, the Binary File Descriptor library. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "elf/common.h" +#include "elf/internal.h" + +bfd_boolean elf_vxworks_add_symbol_hook + (bfd *, struct bfd_link_info *, Elf_Internal_Sym *, const char **, + flagword *, asection **, bfd_vma *); +bfd_boolean elf_vxworks_link_output_symbol_hook + (const char *, Elf_Internal_Sym *); +bfd_boolean elf_vxworks_emit_relocs + (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *, + struct elf_link_hash_entry **); +void elf_vxworks_final_write_processing (bfd *, bfd_boolean); diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index 934e6d9..3571679 100644 --- a/bfd/elf32-i386.c +++ b/bfd/elf32-i386.c @@ -23,6 +23,7 @@ #include "bfdlink.h" #include "libbfd.h" #include "elf-bfd.h" +#include "elf-vxworks.h" /* 386 uses REL relocations instead of RELA. */ #define USE_REL 1 @@ -471,15 +472,15 @@ elf_i386_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) #define PLT_ENTRY_SIZE 16 /* The first entry in an absolute procedure linkage table looks like - this. See the SVR4 ABI i386 supplement to see how this works. */ + this. See the SVR4 ABI i386 supplement to see how this works. + Will be padded to PLT_ENTRY_SIZE with htab->plt0_pad_byte. */ -static const bfd_byte elf_i386_plt0_entry[PLT_ENTRY_SIZE] = +static const bfd_byte elf_i386_plt0_entry[12] = { 0xff, 0x35, /* pushl contents of address */ 0, 0, 0, 0, /* replaced with address of .got + 4. */ 0xff, 0x25, /* jmp indirect */ - 0, 0, 0, 0, /* replaced with address of .got + 8. */ - 0, 0, 0, 0 /* pad out to 16 bytes. */ + 0, 0, 0, 0 /* replaced with address of .got + 8. */ }; /* Subsequent entries in an absolute procedure linkage table look like @@ -495,13 +496,13 @@ static const bfd_byte elf_i386_plt_entry[PLT_ENTRY_SIZE] = 0, 0, 0, 0 /* replaced with offset to start of .plt. */ }; -/* The first entry in a PIC procedure linkage table look like this. */ +/* The first entry in a PIC procedure linkage table look like this. + Will be padded to PLT_ENTRY_SIZE with htab->plt0_pad_byte. */ -static const bfd_byte elf_i386_pic_plt0_entry[PLT_ENTRY_SIZE] = +static const bfd_byte elf_i386_pic_plt0_entry[12] = { 0xff, 0xb3, 4, 0, 0, 0, /* pushl 4(%ebx) */ - 0xff, 0xa3, 8, 0, 0, 0, /* jmp *8(%ebx) */ - 0, 0, 0, 0 /* pad out to 16 bytes. */ + 0xff, 0xa3, 8, 0, 0, 0 /* jmp *8(%ebx) */ }; /* Subsequent entries in a PIC procedure linkage table look like this. */ @@ -516,6 +517,12 @@ static const bfd_byte elf_i386_pic_plt_entry[PLT_ENTRY_SIZE] = 0, 0, 0, 0 /* replaced with offset to start of .plt. */ }; +/* On VxWorks, the .rel.plt.unloaded section has absolute relocations + for the PLTResolve stub and then for each PLT entry. */ +#define PLTRESOLVE_RELOCS_SHLIB 0 +#define PLTRESOLVE_RELOCS 2 +#define PLT_NON_JUMP_SLOT_RELOCS 2 + /* The i386 linker needs to keep track of the number of relocs that it decides to copy as dynamic relocs in check_relocs for each symbol. This is so that it can later discard them if they are found to be @@ -595,7 +602,19 @@ struct elf_i386_link_hash_table asection *srelplt; asection *sdynbss; asection *srelbss; + + /* The (unloaded but important) .rel.plt.unloaded section on VxWorks. */ + asection *srelplt2; + + /* Short-cuts to frequently used symbols for VxWorks targets. */ + struct elf_link_hash_entry *hgot, *hplt; + + /* True if the target system is VxWorks. */ + int is_vxworks; + /* Value used to fill the last word of the first plt entry. */ + bfd_byte plt0_pad_byte; + union { bfd_signed_vma refcount; bfd_vma offset; @@ -668,6 +687,11 @@ elf_i386_link_hash_table_create (bfd *abfd) ret->srelbss = NULL; ret->tls_ldm_got.refcount = 0; ret->sym_sec.abfd = NULL; + ret->is_vxworks = 0; + ret->srelplt2 = NULL; + ret->hgot = NULL; + ret->hplt = NULL; + ret->plt0_pad_byte = 0; return &ret->elf.root; } @@ -709,6 +733,9 @@ static bfd_boolean elf_i386_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) { struct elf_i386_link_hash_table *htab; + asection * s; + int flags; + const struct elf_backend_data *bed = get_elf_backend_data (dynobj); htab = elf_i386_hash_table (info); if (!htab->sgot && !create_got_section (dynobj, info)) @@ -727,6 +754,18 @@ elf_i386_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) || (!info->shared && !htab->srelbss)) abort (); + if (htab->is_vxworks && !info->shared) + { + s = bfd_make_section (dynobj, ".rel.plt.unloaded"); + flags = (SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_READONLY + | SEC_LINKER_CREATED); + if (s == NULL + || ! bfd_set_section_flags (dynobj, s, flags) + || ! bfd_set_section_alignment (dynobj, s, bed->s->log_file_align)) + return FALSE; + htab->srelplt2 = s; + } + return TRUE; } @@ -1528,6 +1567,26 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) /* We also need to make an entry in the .rel.plt section. */ htab->srelplt->size += sizeof (Elf32_External_Rel); + + if (htab->is_vxworks && !info->shared) + { + /* VxWorks has a second set of relocations for each PLT entry + in executables. They go in a separate relocation section, + which is processed by the kernel loader. */ + + /* There are two relocations for the initial PLT entry: an + R_386_32 relocation for _GLOBAL_OFFSET_TABLE_ + 4 and an + R_386_32 relocation for _GLOBAL_OFFSET_TABLE_ + 8. */ + + if (h->plt.offset == PLT_ENTRY_SIZE) + htab->srelplt2->size += (sizeof (Elf32_External_Rel) * 2); + + /* There are two extra relocations for each subsequent PLT entry: + an R_386_32 relocation for the GOT entry, and an R_386_32 + relocation for the PLT entry. */ + + htab->srelplt2->size += (sizeof (Elf32_External_Rel) * 2); + } } else { @@ -1818,6 +1877,27 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, else htab->tls_ldm_got.offset = -1; + if (htab->is_vxworks) + { + /* Save the GOT and PLT symbols in the hash table for easy access. + Mark them as having relocations; they might not, but we won't + know for sure until we build the GOT in finish_dynamic_symbol. */ + + htab->hgot = elf_link_hash_lookup (elf_hash_table (info), + "_GLOBAL_OFFSET_TABLE_", + FALSE, FALSE, FALSE); + if (htab->hgot) + htab->hgot->indx = -2; + htab->hplt = elf_link_hash_lookup (elf_hash_table (info), + "_PROCEDURE_LINKAGE_TABLE_", + FALSE, FALSE, FALSE); + if (htab->hplt) + htab->hplt->indx = -2; + + if (htab->is_vxworks && htab->hplt && htab->splt->flags & SEC_CODE) + htab->hplt->type = STT_FUNC; + } + /* Allocate global sym .plt and .got entries, and space for global sym dynamic relocs. */ elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info); @@ -1827,6 +1907,8 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, relocs = FALSE; for (s = dynobj->sections; s != NULL; s = s->next) { + bfd_boolean strip_section = TRUE; + if ((s->flags & SEC_LINKER_CREATED) == 0) continue; @@ -1836,10 +1918,16 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, { /* Strip this section if we don't need it; see the comment below. */ + /* We'd like to strip these sections if they aren't needed, but if + we've exported dynamic symbols from them we must leave them. + It's too late to tell BFD to get rid of the symbols. */ + + if (htab->hplt != NULL) + strip_section = FALSE; } else if (strncmp (bfd_get_section_name (dynobj, s), ".rel", 4) == 0) { - if (s->size != 0 && s != htab->srelplt) + if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2) relocs = TRUE; /* We use the reloc_count field as a counter if we need @@ -1852,7 +1940,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, continue; } - if (s->size == 0) + if (s->size == 0 && strip_section) { /* If we don't need this section, strip it from the output file. This is mostly to handle .rel.bss and @@ -3031,6 +3119,43 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd, + htab->sgotplt->output_offset + got_offset), htab->splt->contents + h->plt.offset + 2); + + if (htab->is_vxworks) + { + int s, k, reloc_index; + + /* Create the R_386_32 relocation referencing the GOT + for this PLT entry. */ + + /* S: Current slot number (zero-based). */ + s = (h->plt.offset - PLT_ENTRY_SIZE) / PLT_ENTRY_SIZE; + /* K: Number of relocations for PLTResolve. */ + if (info->shared) + k = PLTRESOLVE_RELOCS_SHLIB; + else + k = PLTRESOLVE_RELOCS; + /* Skip the PLTresolve relocations, and the relocations for + the other PLT slots. */ + reloc_index = k + s * PLT_NON_JUMP_SLOT_RELOCS; + loc = (htab->srelplt2->contents + reloc_index + * sizeof (Elf32_External_Rel)); + + rel.r_offset = (htab->splt->output_section->vma + + htab->splt->output_offset + + h->plt.offset + 2), + rel.r_info = ELF32_R_INFO (htab->hgot->indx, R_386_32); + bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); + + /* Create the R_386_32 relocation referencing the beginning of + the PLT for this GOT entry. */ + rel.r_offset = (htab->sgotplt->output_section->vma + + htab->sgotplt->output_offset + + got_offset); + rel.r_info = ELF32_R_INFO (htab->hplt->indx, R_386_32); + bfd_elf32_swap_reloc_out (output_bfd, &rel, + loc + sizeof (Elf32_External_Rel)); + } + } else { @@ -3140,9 +3265,12 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd, bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); } - /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ + /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. + On VxWorks, the _GLOBAL_OFFSET_TABLE_ symbol is not absolute: it + is relative to the ".got" section. */ if (strcmp (h->root.root.string, "_DYNAMIC") == 0 - || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) + || (strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0 + && !htab->is_vxworks)) sym->st_shndx = SHN_ABS; return TRUE; @@ -3250,12 +3378,20 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, if (htab->splt && htab->splt->size > 0) { if (info->shared) - memcpy (htab->splt->contents, - elf_i386_pic_plt0_entry, PLT_ENTRY_SIZE); + { + memcpy (htab->splt->contents, elf_i386_pic_plt0_entry, + sizeof (elf_i386_pic_plt0_entry)); + memset (htab->splt->contents + sizeof (elf_i386_pic_plt0_entry), + htab->plt0_pad_byte, + PLT_ENTRY_SIZE - sizeof (elf_i386_pic_plt0_entry)); + } else { - memcpy (htab->splt->contents, - elf_i386_plt0_entry, PLT_ENTRY_SIZE); + memcpy (htab->splt->contents, elf_i386_plt0_entry, + sizeof(elf_i386_plt0_entry)); + memset (htab->splt->contents + sizeof (elf_i386_plt0_entry), + htab->plt0_pad_byte, + PLT_ENTRY_SIZE - sizeof (elf_i386_plt0_entry)); bfd_put_32 (output_bfd, (htab->sgotplt->output_section->vma + htab->sgotplt->output_offset @@ -3266,12 +3402,69 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, + htab->sgotplt->output_offset + 8), htab->splt->contents + 8); + + if (htab->is_vxworks) + { + Elf_Internal_Rela rel; + struct elf_link_hash_entry *hgot; + + /* The VxWorks GOT is relocated by the dynamic linker. + Therefore, we must emit relocations rather than + simply computing the values now. */ + hgot = elf_link_hash_lookup (elf_hash_table (info), + "_GLOBAL_OFFSET_TABLE_", + FALSE, FALSE, FALSE); + /* Generate a relocation for _GLOBAL_OFFSET_TABLE_ + 4. + On IA32 we use REL relocations so the addend goes in + the PLT directly. */ + rel.r_offset = (htab->splt->output_section->vma + + htab->splt->output_offset + + 2); + rel.r_info = ELF32_R_INFO (hgot->indx, R_386_32); + bfd_elf32_swap_reloc_out (output_bfd, &rel, + htab->srelplt2->contents); + /* Generate a relocation for _GLOBAL_OFFSET_TABLE_ + 8. */ + rel.r_offset = (htab->splt->output_section->vma + + htab->splt->output_offset + + 8); + rel.r_info = ELF32_R_INFO (hgot->indx, R_386_32); + bfd_elf32_swap_reloc_out (output_bfd, &rel, + htab->srelplt2->contents + + sizeof (Elf32_External_Rel)); + } } /* UnixWare sets the entsize of .plt to 4, although that doesn't really seem like the right value. */ elf_section_data (htab->splt->output_section) ->this_hdr.sh_entsize = 4; + + /* Correct the .rel.plt.unloaded relocations. */ + if (htab->is_vxworks && !info->shared) + { + int num_plts = (htab->splt->size / PLT_ENTRY_SIZE) - 1; + char *p; + + p = htab->srelplt2->contents; + if (info->shared) + p += PLTRESOLVE_RELOCS_SHLIB * sizeof (Elf32_External_Rel); + else + p += PLTRESOLVE_RELOCS * sizeof (Elf32_External_Rel); + + for (; num_plts; num_plts--) + { + Elf_Internal_Rela rel; + bfd_elf32_swap_reloc_in (output_bfd, p, &rel); + rel.r_info = ELF32_R_INFO (htab->hgot->indx, R_386_32); + bfd_elf32_swap_reloc_out (output_bfd, &rel, p); + p += sizeof (Elf32_External_Rel); + + bfd_elf32_swap_reloc_in (output_bfd, p, &rel); + rel.r_info = ELF32_R_INFO (htab->hplt->indx, R_386_32); + bfd_elf32_swap_reloc_out (output_bfd, &rel, p); + p += sizeof (Elf32_External_Rel); + } + } } } @@ -3382,3 +3575,74 @@ elf_i386_post_process_headers (bfd *abfd, #define elf32_bed elf32_i386_fbsd_bed #include "elf32-target.h" + +/* VxWorks support. */ + +#undef TARGET_LITTLE_SYM +#define TARGET_LITTLE_SYM bfd_elf32_i386_vxworks_vec +#undef TARGET_LITTLE_NAME +#define TARGET_LITTLE_NAME "elf32-i386-vxworks" + + +/* Like elf_i386_link_hash_table_create but with tweaks for VxWorks. */ + +static struct bfd_link_hash_table * +elf_i386_vxworks_link_hash_table_create (bfd *abfd) +{ + struct bfd_link_hash_table *ret; + struct elf_i386_link_hash_table *htab; + + ret = elf_i386_link_hash_table_create (abfd); + if (ret) + { + htab = (struct elf_i386_link_hash_table *) ret; + htab->is_vxworks = 1; + htab->plt0_pad_byte = 0x90; + } + + return ret; +} + + +/* Tweak magic VxWorks symbols as they are written to the output file. */ +static bfd_boolean +elf_i386_vxworks_link_output_symbol_hook (struct bfd_link_info *info + ATTRIBUTE_UNUSED, + const char *name, + Elf_Internal_Sym *sym, + asection *input_sec ATTRIBUTE_UNUSED, + struct elf_link_hash_entry *h + ATTRIBUTE_UNUSED) +{ + /* Ignore the first dummy symbol. */ + if (!name) + return TRUE; + + return elf_vxworks_link_output_symbol_hook (name, sym); +} + +#undef elf_backend_post_process_headers +#undef bfd_elf32_bfd_link_hash_table_create +#define bfd_elf32_bfd_link_hash_table_create \ + elf_i386_vxworks_link_hash_table_create +#undef elf_backend_add_symbol_hook +#define elf_backend_add_symbol_hook \ + elf_vxworks_add_symbol_hook +#undef elf_backend_link_output_symbol_hook +#define elf_backend_link_output_symbol_hook \ + elf_i386_vxworks_link_output_symbol_hook +#undef elf_backend_emit_relocs +#define elf_backend_emit_relocs elf_vxworks_emit_relocs +#undef elf_backend_final_write_processing +#define elf_backend_final_write_processing \ + elf_vxworks_final_write_processing + +/* On VxWorks, we emit relocations against _PROCEDURE_LINKAGE_TABLE_, so + define it. */ +#undef elf_backend_want_plt_sym +#define elf_backend_want_plt_sym 1 + +#undef elf32_bed +#define elf32_bed elf32_i386_vxworks_bed + +#include "elf32-target.h" diff --git a/bfd/elflink.c b/bfd/elflink.c index 4f91c53..833e1f4 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -2134,7 +2134,9 @@ bfd_boolean _bfd_elf_link_output_relocs (bfd *output_bfd, asection *input_section, Elf_Internal_Shdr *input_rel_hdr, - Elf_Internal_Rela *internal_relocs) + Elf_Internal_Rela *internal_relocs, + struct elf_link_hash_entry **rel_hash + ATTRIBUTE_UNUSED) { Elf_Internal_Rela *irela; Elf_Internal_Rela *irelaend; @@ -6778,8 +6780,7 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd) return TRUE; emit_relocs = (finfo->info->relocatable - || finfo->info->emitrelocations - || bed->elf_backend_emit_relocs); + || finfo->info->emitrelocations); symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; if (elf_bad_symtab (input_bfd)) @@ -7159,10 +7160,9 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd) Elf_Internal_Rela *irelaend; bfd_vma last_offset; struct elf_link_hash_entry **rel_hash; + struct elf_link_hash_entry **rel_hash_list; Elf_Internal_Shdr *input_rel_hdr, *input_rel_hdr2; unsigned int next_erel; - bfd_boolean (*reloc_emitter) - (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *); bfd_boolean rela_normal; input_rel_hdr = &elf_section_data (o)->rel_hdr; @@ -7177,6 +7177,7 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd) rel_hash = (elf_section_data (o->output_section)->rel_hashes + elf_section_data (o->output_section)->rel_count + elf_section_data (o->output_section)->rel_count2); + rel_hash_list = rel_hash; last_offset = o->output_offset; if (!finfo->info->relocatable) last_offset += o->output_section->vma; @@ -7359,16 +7360,11 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd) } /* Swap out the relocs. */ - if (bed->elf_backend_emit_relocs - && !(finfo->info->relocatable - || finfo->info->emitrelocations)) - reloc_emitter = bed->elf_backend_emit_relocs; - else - reloc_emitter = _bfd_elf_link_output_relocs; - if (input_rel_hdr->sh_size != 0 - && ! (*reloc_emitter) (output_bfd, o, input_rel_hdr, - internal_relocs)) + && !bed->elf_backend_emit_relocs (output_bfd, o, + input_rel_hdr, + internal_relocs, + rel_hash_list)) return FALSE; input_rel_hdr2 = elf_section_data (o)->rel_hdr2; @@ -7376,8 +7372,11 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd) { internal_relocs += (NUM_SHDR_ENTRIES (input_rel_hdr) * bed->s->int_rels_per_ext_rel); - if (! (*reloc_emitter) (output_bfd, o, input_rel_hdr2, - internal_relocs)) + rel_hash_list += NUM_SHDR_ENTRIES (input_rel_hdr); + if (!bed->elf_backend_emit_relocs (output_bfd, o, + input_rel_hdr2, + internal_relocs, + rel_hash_list)) return FALSE; } } diff --git a/bfd/elfxx-target.h b/bfd/elfxx-target.h index ab61f11..4dc2588 100644 --- a/bfd/elfxx-target.h +++ b/bfd/elfxx-target.h @@ -416,7 +416,7 @@ #define elf_backend_merge_symbol_attribute NULL #endif #ifndef elf_backend_emit_relocs -#define elf_backend_emit_relocs NULL +#define elf_backend_emit_relocs _bfd_elf_link_output_relocs #endif #ifndef elf_backend_count_relocs #define elf_backend_count_relocs NULL diff --git a/bfd/targets.c b/bfd/targets.c index 6781368..a9e4c1e 100644 --- a/bfd/targets.c +++ b/bfd/targets.c @@ -561,6 +561,7 @@ extern const bfd_target bfd_elf32_hppa_nbsd_vec; extern const bfd_target bfd_elf32_hppa_vec; extern const bfd_target bfd_elf32_i370_vec; extern const bfd_target bfd_elf32_i386_freebsd_vec; +extern const bfd_target bfd_elf32_i386_vxworks_vec; extern const bfd_target bfd_elf32_i386_vec; extern const bfd_target bfd_elf32_i860_little_vec; extern const bfd_target bfd_elf32_i860_vec; @@ -860,6 +861,7 @@ static const bfd_target * const _bfd_target_vector[] = { &bfd_elf32_hppa_vec, &bfd_elf32_i370_vec, &bfd_elf32_i386_freebsd_vec, + &bfd_elf32_i386_vxworks_vec, &bfd_elf32_i386_vec, &bfd_elf32_i860_little_vec, &bfd_elf32_i860_vec, |