Fix dependency tracking in ld.
[deliverable/binutils-gdb.git] / ld / ChangeLog
index 2849c5a456143f012256fbd4206d01c5a58ee97b..72db41375ddece4a956e65a135b77802a01aa8f9 100644 (file)
@@ -1,3 +1,522 @@
+2010-10-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       * Makefile.am (ALL_EMULATIONS): Rewrite in terms of ...
+       (ALL_EMULATION_SOURCES): ... this new variable.
+       (ALL_64_EMULATIONS): Rewrite in terms of ...
+       (ALL_64_EMULATION_SOURCES): ... this new variable.
+       (EXTRA_ld_new_SOURCES): Rewrite in terms of the _SOURCES
+       variables.
+       (eelf32microblaze.c): Fix indentation.
+       * Makefile.in: Regenerate.
+
+2010-10-04  Bernd Schmidt  <bernds@codesourcery.com>
+
+       * emultempl/xtensaelf.em (replace_insn_sec_with_prop_sec): Use
+       _bfd_elf_single_rel_hdr.
+
+2010-10-01  Alan Modra  <amodra@gmail.com>
+
+       PR ld/12066
+       * ldexp.c (fold_name): Treat absolute symbols as plain numbers.
+       * ld.texinfo (Expression Section): Don't say absolute symbols
+       are addresses.
+
+2010-09-29  Alan Modra  <amodra@gmail.com>
+
+       * ldlang.c (lang_place_orphans): Zero vma when relocatable or non-load
+       section for orphans handled here.
+
+2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       * configure: Regenerate.
+
+2010-09-23  Dave Korn  <dave.korn.cygwin@gmail.com>
+
+       * scripttempl/armcoff.sc: Revert 2010-09-22 change.
+
+2010-09-23  Alan Modra  <amodra@gmail.com>
+
+       * ldlang.c (lang_add_section): Don't copy SEC_RELOC from input
+       to output section on a final link.
+
+2010-09-22  Kai Tietz  <kai.tietz@onevision.com>
+
+       * ldlang.c (lang_add_section): Allow for debugging
+       section to be marked as noload but to keep content.
+       (IGNORE_SECTION): Likewise.
+       (lang_check_section_addresses): Likewise.
+       * ldwrite.c (build_link_order): Likewise.
+
+       * emultempl/pe.em (gld_${EMULATION_NAME}_place_orphan): Add
+       idata to orphan set.
+       * emultempl/pep.em: Likewise.
+       * scripttempl/armcoff.sc: Separate idata
+       and add __IAT_start__ and __IAT_end__ labels.
+       * scripttempl/pe.sc: Likewise.
+       * scripttempl/pep.sc: Likewise.
+
+2010-09-20  David S. Miller  <davem@davemloft.net>
+
+       * emulparams/elf32_sparc.sh: Set NOP to 0x01000000
+
+2010-09-16  Alan Modra  <amodra@gmail.com>
+
+       * ld.texinfo (NOLOAD): Do not erroneously state that contents will
+       appear in output file.
+       * ldlang.c (lang_add_section): Clear SEC_HAS_CONTENTS on noload
+       unless SEC_COFF_SHARED_LIBRARY.
+       (map_input_to_output_sections): Don't set SEC_HAS_CONTENTS for noload
+       output sections.
+       (lang_size_sections_1): Don't test SEC_NEVER_LOAD when deciding
+       to update dot in region.  Ditto when setting SEC_ALLOC if dot
+       advanced due to assignment.
+       * ldwrite.c (build_link_order): Don't test SEC_NEVER_LOAD.
+
+2010-09-15  Kai Tietz  <kai.tietz@onevision.com>
+
+       * scripttempl/pep.sc: Add .xdata segment and
+       put into .pdata all segments beginning with .pdata.
+
+2010-09-10  Alan Modra  <amodra@gmail.com>
+
+       PR ld/11931
+       * ldlang.h (lang_for_each_statement_worker): Declare.
+       * ldlang.c (lang_for_each_statement_worker): Make global.  Don't
+       recurse into children of output_section_statement with constraint
+       set to -1.
+       (print_assignment): Handle NULL output_section->bfd_section.
+       (lang_size_sections_1): Ignore output section statement address
+       when constraint is -1.
+       * emultempl/xtensaelf.em (lang_for_each_statement_worker): Delete.
+
+2010-09-09  Tristan Gingold  <gingold@adacore.com>
+
+       * NEWS: Add a entry for alpha-vms.
+
+2010-09-07  Andrew Burgess  <aburgess@broadcom.com>
+
+       * ldwrite.c (clone_section): Call bfd_copy_private_section_data on
+       newly cloned section.
+
+2010-09-02  Richard Henderson  <rth@redhat.com>
+
+       * configure.tgt (x86_64-*-mingw*): Add 32-bit pe emulations too.
+
+2010-08-31  Nick Clifton  <nickc@redhat.com>
+
+       * ldlex.l (WILDCHAR): Add the caret and exclamation point
+       characters, so that they can be used inside globs.
+
+2010-08-31  Nick Clifton  <nickc@redhat.com>
+
+       * ld.texinfo (MEMORY): Clarify the behaviour of the ! character in
+       a region's attributes.
+
+2010-08-31  Alan Modra  <amodra@gmail.com>
+
+       * scripttempl/mmo.sc: Move assignment to "Main" inside .text
+       output section statement.
+
+2010-08-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR ld/11946
+       * emultempl/elf32.em (_before_allocation): Check audit entry
+       only on ELF input.
+
+2010-08-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR ld/11937
+       * emultempl/elf32.em (_after_open): Find one .eh_frame section
+       for --eh-frame-hdr.
+
+2010-08-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR ld/11937
+       * emultempl/elf32.em (_after_open): Find an ELF input for
+       --build-id and --eh-frame-hdr.
+
+2010-08-20  Maciej W. Rozycki  <macro@codesourcery.com>
+
+       * Makefile.am (eshlelf_fd.c): Correct the name of the tool
+       directory.
+       * Makefile.in: Regenerate.
+
+2010-08-20  Nick Clifton  <nickc@redhat.com>
+
+       * emultempl/elf32.em (_after_open): Check for get_elf_backend_data
+       returning NULL.
+
+2010-08-19  Alan Modra  <amodra@gmail.com>
+
+       * NEWS: Mention change in linker script expression evaluation.
+
+2010-08-19  Alan Modra  <amodra@gmail.com>
+
+       * ld.texinfo (Expression Section): Detail expression evaluation.
+       (Builtin Functions <ADDR>): Correct.
+       (Builtin Functions <LOADADDR>): Don't mention LOADADDR normally
+       the same as ADDR.
+       (Builtin Functions <SEGMENT_START>): Typo fix.
+       * ldexp.c (new_number): New function.
+       (make_abs, exp_get_abs_int): Cope with NULL expld.result.section.
+       (fold_unary <'~', '!', '-'>): Don't make_abs.
+       (fold_binary): Simplify result section logic.  Return NULL section
+       for logical ops.
+       (fold_binary <SEGMENT_START>): Use new_rel_from_abs to set value to
+       a consistent result.
+       (fold_name <SIZEOF_HEADERS>): Return new_number, not new_abs.
+       (fold_name <DEFINED, SIZEOF, ALIGNOF, LENGTH, CONSTANT>): Likewise.
+       (fold_name <NAME>): No need to handle absolute symbols differently
+       from relative ones.
+       (fold_name <ORIGIN>): Don't return valid result when
+       lang_first_phase_enum.  Return new_rel_from_abs, not new_abs.
+       (exp_fold_tree_1 <etree_value>): Return new_number, not new_rel.
+       (exp_fold_tree_1): Ajust for NULL expld.result.section.  When assigning
+       a plain number to dot, assume the value is relative to expld.section.
+       Make terms not in an output section, absolute.
+       * ldlang.c (print_assignment): Fix style nit.
+       (lang_size_sections_1): Cope with NULL expld.result.section.
+       (lang_do_assignments_1): Likewise.
+
+2010-08-12  Alan Modra  <amodra@gmail.com>
+
+       * ldexp.c (new_rel): Remove "str".  Update all call sites.
+       (exp_fold_tree_1): When assigning to dot, calculate nextdot
+       using expld.result.section rather than expld.section.
+
+2010-08-06  Alan Modra  <amodra@gmail.com>
+
+       PR ld/11887
+       * ldlang.c (lang_add_vers_depend): Don't leave version_needed
+       uninitialised.
+
+2010-07-28  Alan Modra  <amodra@gmail.com>
+
+       * ldexp.c (exp_print_tree): Print function-like binary nodes as
+       functions rather than in-fix operators.  Use fputs and fputc
+       where appropriate.
+
+2010-07-23  Naveen.H.S  <naveen.S@kpitcummins.com>
+           Ina Pandit  <ina.pandit@kpitcummins.com>
+
+       * configure.tgt: Match all v850 targets.
+
+2010-07-20  Mike Frysinger  <vapier@gentoo.org>
+
+       * ld.texinfo (VERSION): Remove "int" from example script and add ";".
+       Declare the default language as C.
+
+2010-07-17  Alan Modra  <amodra@gmail.com>
+
+       * ldlang.c (lang_check_section_addresses): Catch overlap for
+       sections that wrap around the address space.
+
+2010-06-29  Nick Clifton  <nickc@redhat.com>
+
+       * scripttempl/xstormy16.sc (.gcc_except_table): Include sections
+       with the .gcc_except_table. prefix.
+
+2010-06-29  Alan Modra  <amodra@gmail.com>
+
+       * emulparams/maxqcoff.sh: Delete file.
+       * scripttempl/maxqcoff.sc: Delete file.
+       * Makefile.am: Remove references to maxq.
+       * configure.tgt: Likewise.
+       * Makefile.in: Regenerate.
+       * configure: Regenerate.
+       * po/POTFILES.in: Regenerate.
+
+2010-06-27  Alan Modra  <amodra@gmail.com>
+
+       * pe-dll.c (fill_edata): Avoid set but unused warning.
+       (pe_walk_relocs_of_symbol): Delete set but unused variables.
+       (generate_reloc, pe_implied_import_dll): Likewise.
+       * emultempl/aix.em (open_dynamic_archive): Likewise.
+       * emultempl/xtensaelf.em (replace_insn_sec_with_prop_sec): Likewise.
+       (xtensa_layout_wild): Likewise.
+       (xtensa_colocate_output_literals_callback): Likewise.
+
+2010-06-25  Alan Modra  <amodra@gmail.com>
+
+       * emultempl/ppc64elf.em (prelim_size_sections): New function.
+       (ppc_before_allocation): Use it.  Size sections before toc edit too.
+
+2010-06-25  Alan Modra  <amodra@gmail.com>
+
+       * emultempl/elf32.em (find_exp_assignment): Handle etree_provided.
+
+2010-06-20  Danny Smith  <dannysmith@users.sourceforge.net>
+
+       * emultempl/pe.em (gld_${EMULATION_NAME}_before_parse): Make
+       auto-import and merge-rdata defaults same for i[3-7]86 and
+       x86_64 mingw.
+
+2010-06-15  Joseph Myers  <joseph@codesourcery.com>
+
+       * emulparams/elf32_tic6x_le.sh (ATTRS_SECTIONS): Define.
+
+2010-06-09  Dave Korn  <dave.korn.cygwin@gmail.com>
+
+       PR ld/11603
+       * pe-dll.c (process_def_file_and_drectve): Reorder check for
+       forwarded export name after check for ordinary export.
+
+2010-06-08  Bernd Schmidt  <bernds@codesourcery.com>
+
+       * emulparams/elf32_tic6x_le.sh (OTHER_BSS_SECTIONS): New.
+
+2010-06-08  Nick Clifton  <nickc@redhat.com>
+
+       * fdl.texi: Replace with v1.3 text.
+       * ld.texinfo: Replace abbreviated 20th century year numbers with
+       full versions.
+       * ldint.texinfo: Likewise.
+       Relicense under GFDL v1.3.  Replace text of v1.1 FDL with an
+       include of the fdl.texi file.
+
+2010-06-01  Tristan Gingold  <gingold@adacore.com>
+
+       * scripttempl/alphavms.sc: Add comments. Move $LINK$ to the
+       readonly output-section. Handle LIB$INITIALIZE and sections
+       created by gcc.
+       * emultempl/vms.em (vms_place_orphan): Add comments.
+
+2010-05-28  Nick Clifton  <nickc@redhat.com>
+
+       * Makefile.am (eshlelf_fd.c): Fix typo in rule.
+       * Makefile.in: Regenerate.
+
+2010-05-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR ld/11628
+       * ldexp.c (fold_binary): Warn if value of SEGMENT_START isn't
+       multiple of maximum page size.
+
+2010-05-25  Nick Clifton  <nickc@redhat.com>
+
+       * Makefile.am: Fix typo.
+       * Makefile.in: Regenerate.
+
+2010-05-25  Daniel Jacobowitz  <dan@codesourcery.com>
+           Joseph Myers  <joseph@codesourcery.com>
+           Andrew Stubbs  <ams@codesourcery.com>
+
+       * Makefile.am (ALL_EMULATIONS): Add eshelf_fd.o and eshlelf_fd.o.
+       (eshelf_fd.c, eshlelf_fd.c): New rules.
+       * Makefile.in: Regenerate.
+       * configure.tgt (sh-*-uclinux*): Add shelf_fd and shlelf_fd
+       emulations.
+       * emulparams/shelf_fd.sh: New file.
+       * emulparams/shlelf_fd.sh: New file.
+       * emulparams/shlelf_linux.sh: Update comment.
+
+2010-05-25  Jay Krell  <jay.krell@cornell.edu>
+
+       PR ld/11621
+       * Makefile.am: Replace all occurences of .o with .@OBJEXT@
+       * Makefile.in: Regenerate.
+
+2010-05-25  Kai Tietz  <kai.tietz@onevision.com>
+
+       * deffilep.y (opt_name): Allow leading dot.
+       (dot_name): Likewise.
+       (anylang_id): Likewise.
+       * emultempl/pep.em (gld_${EMULATION_NAME}_before_parse): Enable by
+       default auto_import.
+       (gld${EMULATION_NAME}_handle_option): Warn about v1.
+       (pep_find_data_imports): Remove superflous warnings about
+       auto-import.
+       (gld_${EMULATION_NAME}_get_script): Don't merge for auto-import
+       and active pseudo-relocation-v2 rdata into data section.
+       * emultempl/pe.em (default_merge_rdata): New shell variable.
+       (MERGE_RDATA_V2): New macro.
+       (gld_${EMULATION_NAME}_get_script): Adjust rule for auto-import
+       selected script.
+
+2010-05-15  Kai Tietz  <kai.tietz@onevision.com>
+
+       * emultempl/pe.em (is_underscoring): New helper function.
+       (gld_${EMULATION_NAME}_before_parse): Replace code
+       for pe(p)_leading_underscore detection by is_underscoring.
+       (U): Likewise.
+       (GET_INIT_SYMBOL_NAME): Likewise.
+       (U_SIZE): Likewise.
+       (set_pe_name):
+       (set_entry_point):
+       (gld_${EMULATION_NAME}_set_symbols):
+       * emultempl/pep.em: Likewise.
+       * pe-dll.c (pe_detail_list): Set default
+       underscoring for x64 target.
+       (pe_dll_id_target): Add initialization of
+       pe(p)_leading_underscore.
+
+2010-05-15  Dave Korn  <dave.korn.cygwin@gmail.com>
+
+       * pe-dll.c: Removed trailing whitespaces.
+
+2010-05-14  Alan Modra  <amodra@gmail.com>
+
+       PR ld/11583
+       * ldexp.c (exp_fold_tree_1): If assignment source expression is
+       invalid, make the destination symbol undefined.
+
+2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
+
+       * emultempl/pe.em (gld_${EMULATION_NAME}_before_parse):
+       Initialize pe(p)_leading_underscore variable.
+       (set_pe_name): Likewise.
+       * emultempl/pep.em: Likewise.
+       Additional change default to non-underscore for
+       pep_leading_underscore equal to -1.
+
+2010-05-07  Tristan Gingold  <gingold@adacore.com>
+
+       * Makefile.in: Regenerate with automake 1.11.1.
+       * aclocal.m4: Ditto.
+
+2010-05-05  Nick Clifton  <nickc@redhat.com>
+
+       * po/es.po: Updated Spanish translation.
+
+2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
+
+       * pe-dll.c (_nm_-symbols): Use always underscored variant
+       for symbols.
+       (__imp_-symbols): Likewise.
+       (___imp_-symbols): Likewise.
+       * NEWS: Mention ABI change for x64 PE-COFF.
+
+2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * Makefile.am (install-exec-local): Properly install ld as
+       default cross linker.
+       * Makefile.in: Regenerated.
+
+2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
+           Nick Clifton  <nickc@redhat.com>
+
+       * configure.in (install_as_default): Define and set to true
+       unless --enable-gold=both/gold has been specified.
+       * configure: Regenerate.
+
+       * Makefile.am (transform): Use ld.bfd as the default name of
+       the linker.
+       (install-exec-local): Also install the executable as a binary
+       named 'ld' if install_as_default is true.
+       * Makefile.in: Regenerate.
+
+2010-04-22  Nick Clifton  <nickc@redhat.com>
+
+       * po/ld.pot: Updated by the Translation project.
+       * po/vi.po: Updated Vietnamese translation.
+       * po/bg.po: Updated Bulgarian translation.
+
+2010-04-15  Andrew Haley  <aph@redhat.com>
+
+       * emultempl/armelf.em (merge_exidx_entries): New variable.
+       (OPTION_NO_MERGE_EXIDX_ENTRIES): New definition.
+       ("no-merge-exidx-entries"): New option.
+       * ld.texinfo (merge-exidx-entries): Document this option.
+
+2010-04-14  Tristan Gingold  <gingold@adacore.com>
+
+       * emulparams/alphavms.sh: New file.
+       * emultempl/vms.em: New file.
+       * scripttempl/alphavms.sc: New file.
+       * configure.tgt (alpha*-*-*vms*): Added.
+       * Makefile.am (ALL_EMULATIONS): Add ealphavms.o
+       (ealphavms.c): New target.
+       * Makefile.in: Regenerate.
+
+2010-04-09  Nick Clifton  <nickc@redhat.com>
+
+       * ldlang.c (wild_sort): Remove unused variable section_name.
+
+2010-04-07  Alan Modra  <amodra@gmail.com>
+
+       * configure: Regenerate.
+
+2010-04-06  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR ld/11434
+       * ld/testsuite/ld-x86-64/unique1.d: New.
+       * ld/testsuite/ld-x86-64/unique1.s: Likewise.
+
+       * ld-x86-64/x86-64.exp: Run unique1.
+
+2010-04-05  Kai Tietz  <kai.tietz@onevision.com>
+
+       * emultempl/pep.em (U): Macro modified.
+       (U_SIZE): New helper macro.
+       (GET_INIT_SYMBOL_NAME): Likewise.
+       (enum options): Add OPTION_NO_LEADING_UNDERSCORE
+       and OPTION_LEADING_UNDERSCORE enumerator-values.
+       (gld${EMULATION_NAME}_add_options): Add --(no-)leading-underscore
+       option.
+       (definfo): Add new member is_c_symbol.
+       (D): Add to macro underscore mode parameter.
+       (init): Add definition for is_c_symbol.
+       (gld_${EMULATION_NAME}_list_options): Display new options.
+       (set_pep_name): Adjust underscoring dependent fixed
+       symbol handling.
+       (gld_${EMULATION_NAME}_set_symbols): Likewise.
+       (saw_option): Likewise.
+       (gld_${EMULATION_NAME}_unrecognized_file): Likewise.
+       (set_entry_point): Initial initial_symbol_char dependent to
+       target's default and new option flag pep_leading_underscore.
+       * emultempl/pe.em (U): Macro modified.
+       (U_SIZE): New helper macro.
+       (GET_INIT_SYMBOL_NAME): Likewise.
+       (OPTION_LEADING_UNDERSCORE): Add new option define.
+       (OPTION_NO_LEADING_UNDERSCORE): Likewise.
+       (gld${EMULATION_NAME}_add_options): Add --(no-)leading-underscore
+       option.
+       (definfo): Add new member is_c_symbol.
+       (D): Add to macro underscore mode parameter.
+       (init): Add definition for is_c_symbol.
+       (gld_${EMULATION_NAME}_list_options): Display new options.
+       (set_pep_name): Adjust underscoring dependent fixed
+       symbol handling.
+       (gld_${EMULATION_NAME}_set_symbols): Likewise.
+       (saw_option): Likewise.
+       (gld_${EMULATION_NAME}_unrecognized_file): Likewise.
+       (set_entry_point): Initial initial_symbol_char dependent to
+       target's default and new option flag pep_leading_underscore.
+       * pe-dll.c (pe_leading_underscore): New flag variable.
+       (pe_detail_list): Remove const to allow modify of
+       member underscore.
+       (pe_dll_id_target): Initialize pe_details' underscore variable
+       dependent to target's default and flag pe_leading_underscore.
+       * pe-dll.h (pe_leading_underscore): Add extern declaration of
+       option flag.
+       * pep-dll.c (pe_leading_underscore): Add alias define for
+       pep_leading_underscore.
+       * pep-dll.h (pep_leading_underscore) Add extern declaration of
+       option flag.
+       * ld.texinfo: Add documentation for --(no-)leading-underscore
+       option.
+
+2010-03-26  Alan Modra  <amodra@gmail.com>
+
+       PR ld/11426
+       * configure.host (many linux targets <HOSTING_CRT0>): Remove edits.
+       (m68*-motorola-sysv <HOSTING_LIBS>): Use here doc, not echo.
+
+2010-03-25  Joseph Myers  <joseph@codesourcery.com>
+
+       * Makefile.am (ALL_EMULATIONS): Add eelf32_tic6x_be.o and
+       eelf32_tic6x_le.o.
+       (eelf32_tic6x_be.c, eelf32_tic6x_le.c): New.
+       * NEWS: Add news entry for TI C6X support.
+       * configure.tgt (tic6x-*-*): New.
+       * emulparams/elf32_tic6x_be.sh, emulparams/elf32_tic6x_le.sh: New.
+
+2010-03-23  Joseph Myers  <joseph@codesourcery.com>
+
+       * scripttempl/elf.sc (RODATA_NAME, SDATA_NAME, SBSS_NAME,
+       BSS_NAME): Define if not already defined.  Use in place of some
+       hardcoded section names.
+
 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
 
        * scripttempl/elf.sc (INIT_ARRAY): Re-indent.
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