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2010-12-20 * ld.texinfo (Expression Section): Describe treatment of numbersAlan Modra1-0/+1
and absolute symbols. * ldemul.c (after_open_default): Look up __ld_compatibility. * ldexp.c (fold_name): Convert absolute symbols to numbers when inside output section definitions, or when __ld_compatibility >= 221. (exp_fold_tree_1): Convert numbers to absolute when not in output section definition and __ld_compatibility < 221. Don't always convert values outside an output section definition to absolute. * ldexp.h (uses_defined): Comment. * ldlang.c (ld_compatibility): New variable. * ldlang.h (ld_compatibility): Declare. * emultempl/aix.em, * emultempl/armcoff.em, * emultempl/beos.em, * emultempl/elf32.em, * emultempl/genelf.em, * emultempl/lnk960.em, * emultempl/m68kcoff.em, * emultempl/mmo.em, * emultempl/pe.em, * emultempl/pep.em, * emultempl/sunos.em, * emultempl/z80.em: Call after_open_default from after_open function.
2010-12-20 PR ld/12001Alan Modra1-69/+9
Revert 2010-11-03 Nick Clifton * ldlang.c (ldlang_def_chain_list): Delete. (insert_defined, ldlang_add_def, lang_place_defineds): Delete. (lang_process): Don't call lang_place_defineds. (lang_add_assignment): Don't do anything special for --defsym. * ldexp.h (struct ldexp_control): Add uses_defined. (exp_fold_tree_no_dot): Declare. * ldexp.c (exp_fold_tree): Clear uses_defined. (exp_fold_tree_no_dot): Likewise. Make global. (fold_name <DEFINED>): Set uses_defined. (exp_fold_tree_1 <etree_assign>): Define symbol during first phase even when the value being assigned isn't valid. * ldlang.c (open_input_bfds): Process assignment statements. (lang_process): Bump lang_statement_iteration. (scan_for_self_assignment): Formatting. (print_assignment): Style. testsuite/ * ld-scripts/default-script2.d: Revert 2010-11-03 change.
2010-12-15Add SORT_BY_INIT_PRIORITY.H.J. Lu1-0/+53
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.
2010-12-13 * ldlang.c (load_symbols): Correct last change.Alan Modra1-3/+4
2010-12-12Optimize for add_archive_element.H.J. Lu1-3/+2
bfd/ 2010-12-12 H.J. Lu <hongjiu.lu@intel.com> * elflink.c (elf_link_add_archive_symbols): Remove subsbfd. ld/ 2010-12-12 H.J. Lu <hongjiu.lu@intel.com> * ldlang.c (load_symbols): Optimize for add_archive_element.
2010-12-06Replace is_archive with maybe_archive.H.J. Lu1-6/+6
2010-12-05 H.J. Lu <hongjiu.lu@intel.com> * ldfile.c (ldfile_open_file_search): Check maybe_archive instead of is_archive. * emultempl/aix.em: Likewise. * emultempl/elf32.em: Likewise. * emultempl/linux.em: Likewise. * emultempl/pe.em: Likewise. * emultempl/pep.em: Likewise. * emultempl/sunos.em: Likewise. * emultempl/vms.em: Likewise. * ldlang.c (new_afile): Set maybe_archive instead of is_archive.. * ldlang.h (lang_input_statement_struct): Replace is_archive with maybe_archive.
2010-12-04 * ldlang.c (lang_size_sections_1): Align lma using same alignmentAlan Modra1-10/+9
as for vma.
2010-11-21Re-indent plugin code.H.J. Lu1-16/+16
2010-11-21 H.J. Lu <hongjiu.lu@intel.com> * ldfile.c: Re-indent plugin code. * ldlang.c: Likewise. * ldmain.c: Likewise. * plugin.c: Likewise.
2010-11-05 * ldlang.c (lang_add_section): Distinguish ELF treatment of NOLOAD.Alan Modra1-19/+19
(map_input_to_output_sections): Likewise. (lang_size_sections_1): Likewise. (IGNORE_SECTION): Don't test SEC_NEVER_LOAD. (lang_check_section_addresses): Likewise.
2010-11-03 PR ld/12001Nick Clifton1-0/+64
* ldlang.c (ldlang_def_chain_list): New variable. Contains a list of symbols defined via the --defsym command line option and currently waiting assignment. (insert_defined): Add a defined symbol to the symbol table. (ldlang_add_def): Add a entry to the ldlang_def_chain_list. (lang_place_defineds): Walk ldlang_def_chain_list defining the symbols. (lang_process): Call lang_place_defineds. (lang_add_assignment): If the assignment has come from a --defsym command line option then call lang_add_def. * ld-script/default-script2.d: Fix expected address for text section. PR gold/12001 * script.h (class Symbol_assignment: name): New member. Returns the name of the symbol. * scrfipt.cc (Script_options::is_pending_assignment): New member. Returns true if the given symbol name is on the list of assignments wating to be processed. * archive.cc (should_incldue_member): If the symbol is undefined, check to see if it is on the list of symbols pending assignment.
2010-10-28 * ldlang.h (ldlang_add_undef): Add cmdline param.Alan Modra1-5/+6
* ldlang.c (undef_from_cmdline): New var. (ldlang_add_undef): Add cmdline param. Set undef_from_cmdline. (lang_end): Really require -e or -u from command line on relocatable --gc-sections. * ldemul.c (after_parse_default): Adjust ldlang_add_undef call. * ldgram.y (extern_name_list_body): Likewise. * lexsup.c (parse_args): Likewise. * emultempl/aix.em (gld${EMULATION_NAME}_read_file): Likewise.
2010-10-14Applied patch series for LD plugin interface (six parts).Dave Korn1-2/+30
[PATCH] Add infrastructure for plugin API; functionality to follow. include/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 1/6). * plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member. ld/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 1/6). * configure.in: Add AC_CHECKs for file io and dlfcn headers and functions and AC_SEARCH for -ldl. (enable_plugins): New shell variable set if above tests find dlopen functionality. (ENABLE_PLUGINS): Add related automake conditional. * configure: Regenerate. * config.in: Likewise. * Makefile.am (PLUGIN_C): Declare plugin C source file, conditional on ENABLE_PLUGINS being defined. (PLUGIN_H): Likewise for header file. (PLUGIN_OBJECT): Likewise for object file. (PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support. (AM_CPPFLAGS): Use PLUGIN_CFLAGS. (CFILES): Use PLUGIN_C. (HFILES): Use PLUGIN_H. (OFILES): Use PLUGIN_OBJECT. (ld_new_SOURCES): Use PLUGIN_C. (noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin. (libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition for test plugin. (libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise. (libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise. * Makefile.in: Regenerate. * sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS. (O_RDONLY): Supply default definition likewise to bfd's sysdep.h (O_WRONLY): Likewise. (O_RDWR): Likewise. (O_ACCMODE): Likewise. (O_BINARY): Likewise. (SEEK_SET): Likewise. (SEEK_CUR): Likewise. (SEEK_END): Likewise. * ldmisc.c (vfinfo): Make non-static. Add %p format char. * ldmisc.h (vfinfo): Declare extern prototype. * lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for OPTION_PLUGIN and OPTION_PLUGIN_OPT. (ld_options[])[ENABLE_PLUGINS]: Add option data for the above two. (parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once option parsing is complete. * ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just after lang_finish. * plugin.c: New source file. * plugin.h: Likewise new header. * testplug.c: New source file. ld/testsuite/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 1/6). * ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins are enabled. * lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output. (proc set_file_contents): Write a file with the supplied content. (run_ld_link_tests): Add new 'ld' action to test linker output. (proc check_plugin_api_available): Return true if linker under test supports the plugin API. * ld-plugin/func.c: New test source file. * ld-plugin/main.c: Likewise. * ld-plugin/text.c: Likewise. * ld-plugin/plugin-1.d: New dump test output pattern script. * ld-plugin/plugin-2.d: Likewise. * ld-plugin/plugin-3.d: Likewise. * ld-plugin/plugin-4.d: Likewise. * ld-plugin/plugin-5.d: Likewise. * ld-plugin/plugin.exp: New test control script. --- [PATCH] Implement claim file and all symbols read hooks and add symbols callback. ld/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 2/6). * ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early during compat checks if they pass, instead offer any successfully opened and accepted file to the plugin claim file hooks chain. Create a dummy bfd to accept symbols added by the plugin, if the plugin claims the file. * ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols read hook chain before ldemul_after_open. * ldlang.h (struct lang_input_statement_struct): Add new single-bit 'claimed' flag. * plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix. (IRONLY_SUFFIX_LEN): Length of the above string. (plugin_get_ir_dummy_bfd): New function to create the dummy bfd used to store symbols for ir-only files. (is_ir_dummy_bfd): New function to check if a bfd is ir-only. (asymbol_from_plugin_symbol): New function converts symbol formats. (add_symbols): Call it to convert plugin syms to bfd syms and add them to the dummy bfd. * plugin.h: Add missing include guards. (plugin_get_ir_dummy_bfd): Add prototype. (is_ir_dummy_bfd): Likewise. * testplug.c (TV_MESSAGE): New helper macro. (struct claim_file): New struct. (claim_file_t): New typedef. (tag_names[]): Make static and const. (claimfiles_list): New variable. (claimfiles_tail_chain_ptr): Likewise. (last_claimfile): Likewise. (record_claim_file): Record a file to claim on a singly-linked list. (parse_symdefstr): Parse an ASCII representation of a symbol from a plugin option into the fields of a struct ld_plugin_symbol. (record_claimed_file_symbol): Use it to parse plugin option for adding a symbol. (parse_option): Parse claim file and add symbol options. (dump_tv_tag): Use TV_MESSAGE. (onload): Likewise. (onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to claim and claim this file if required, adding any symbols specified. (onall_symbols_read): Make static and use TV_MESSAGE. (oncleanup): Likewise. ld/testsuite/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 2/6). * ld-plugin/plugin-3.d: Enable regexes for new functionality. * ld-plugin/plugin-5.d: Likewise. * ld-plugin/plugin-6.d: New testcase. * ld-plugin/plugin-7.d: Likewise. * ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine whether symbols in plugin arguments need an underscore prefix. Add new plugin-6.d and plugin-7.d testcases. --- [PATCH] Implement get symbols callback. ld/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 3/6). * ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice. * plugin.c (non_ironly_hash): Add new bfd hash table. (plugin_load_plugins): Exit early if no plugins to load. If plugins do load successfully, set notice_all flag in link info. (get_symbols): Implement. (plugin_load_plugins): Exit early if no plugins to load, else after loading plugins successfully enable notice_all mode. (init_non_ironly_hash): Lazily init non_ironly_hash table. (plugin_notice): Record symbols referenced from non-IR files in the non_ironly_hash. Suppress tracing, cref generation and nocrossrefs tracking for symbols from dummy IR bfds. * plugin.h: Fix formatting. (plugin_notice): Add prototype. * testplug.c (dumpresolutions): New global var. (parse_options): Accept "dumpresolutions". (onall_symbols_read): Get syms and dump resolutions if it was given. ld/testsuite/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 3/6). * ld-plugin/plugin-8.d: New testcase. * ld-plugin/plugin.exp: Invoke it. --- [PATCH] Implement add input file, add input lib and set extra lib path callbacks. ld/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 4/6). * ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of plugin_call_all_symbols_read to before setting of gc_sym_list, and open any new input files that may have been added during it. * ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to plugin_multiple_definition and let it have first say over what to do with the clashing definitions. * plugin.c (no_more_claiming): New boolean variable. (plugin_cached_allow_multiple_defs): Likewise. (add_input_file): Implement. (add_input_library): Likewise. (set_extra_library_path): Likewise. (plugin_call_claim_file): Don't do anything when no_more_claiming set. (plugin_call_all_symbols_read): Set it. Disable link info "allow_multiple_definition" flag, but cache its value. (plugin_multiple_definition): New function. * plugin.h (plugin_multiple_definition): Add prototype. * testplug.c (addfile_enum_t): New enumerated typedef. (add_file_t): New struct typedef. (addfiles_list): New variable. (addfiles_tail_chain_ptr): Likewise. (record_add_file): New function. (parse_option): Parse "add:", "lib:" and "dir:" options and call it. (onall_symbols_read): Iterate the list of new files, libs and dirs, adding them. ld/testsuite/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 4/6). * ld-plugin/plugin-9.d: New testcase. * ld-plugin/plugin.exp: Invoke it. --- [PATCH] Add ELF symbol visibility support to plugin interface. ld/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 5/6). * plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd, find the elf symbol data and set the visibility in the st_other field. ld/testsuite/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 5/6). * ld-plugin/plugin-ignore.d: New dump test control script. * ld-plugin/plugin-vis-1.d: Likewise. * ld-plugin/plugin.exp: Add list of ELF-only tests and run them if testing on an ELF target. --- [PATCH] Add archive support to plugin interface. bfd/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 6/6). * aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference parameter and pass it when invoking add_archive_element callback. (aout_link_check_archive_element): Handle substitute bfd if it was set during add_archive_element callback in the above. * cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference parameter and pass it when invoking add_archive_element callback. (coff_link_check_archive_element): Handle substitute bfd if it was set during add_archive_element callback in the above. * ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading code factored-out from ecoff_link_check_archive_element. (reread_ext_syms_and_strs): Clear old symbols and call it. (ecoff_link_check_archive_element): Use the above. Handle substitute BFD if one is set by add_archive_element callback. (ecoff_link_add_archive_symbols): Likewise allow bfd substitution. * elflink.c (elf_link_add_archive_symbols): Likewise. * linker.c (generic_link_check_archive_element): Likewise. * pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference parameter and pass it when invoking add_archive_element callback. (aout_link_check_archive_element): Handle substitute bfd if it was set during add_archive_element callback in the above. * vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute BFD if one is set by add_archive_element callback. * xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd" reference parameter and pass it when invoking add_archive_element callback. (xcoff_link_check_ar_symbols): Likewise. (xcoff_link_check_archive_element): Handle bfd substitution if it was set by callback in the above. include/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 6/6). * bfdlink.h (struct_bfd_link_callbacks): Document new argument to add_archive_element callback used to return a replacement bfd which is to be added to the hash table in place of the original element. ld/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 6/6). * ldlang.c (load_symbols): Handle bfd subsitution when calling the add_archive_element callback. * ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive member to the plugins and if claimed set "subsbfd" output parameter to point to the dummy IR-only BFD. ld/testsuite/ChangeLog: 2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com> Apply LD plugin patch series (part 6/6). * ld-plugin/plugin-10.d: New dump test control script. * ld-plugin/plugin-11.d: Likewise. * ld-plugin/plugin.exp: Run them. ---
2010-09-29 * ldlang.c (lang_place_orphans): Zero vma when relocatable or non-loadAlan Modra1-0/+4
section for orphans handled here.
2010-09-23ld/Alan Modra1-1/+1
* ldlang.c (lang_add_section): Don't copy SEC_RELOC from input to output section on a final link. bfd/ * elf.c (_bfd_elf_init_private_section_data): Allow for SEC_RELOC difference between input and output section.
2010-09-222010-09-22 Kai Tietz <kai.tietz@onevision.com>Kai Tietz1-3/+14
* 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.
2010-09-16bfd/Alan Modra1-12/+9
* elf.c (bfd_elf_get_default_section_type): Don't test SEC_NEVER_LOAD. * elflink.c (elf_link_input_bfd): Likewise. ld/ * 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.
2010-09-10 PR ld/11931Alan Modra1-5/+14
* 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.
2010-08-19binutils/Alan Modra1-5/+12
* NEWS: Mention change in linker script expression evaluation. ld/ * 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. ld/testsuite/ * ld-scripts/memory.t: Remove ORIGIN fudge.
2010-08-06 PR ld/11887Alan Modra1-4/+5
* ldlang.c (lang_add_vers_depend): Don't leave version_needed uninitialised.
2010-07-17 * ldlang.c (lang_check_section_addresses): Catch overlap forAlan Modra1-11/+16
sections that wrap around the address space.
2010-04-09bfd/ChangeLogNick Clifton1-2/+0
2010-04-09 Nick Clifton <nickc@redhat.com> * aoutx.h (aout_link_input_bfd): Remove unused variable sym_count. * elf-eh-frame.c (_bfd_elf_eh_frame_section_offset): Remove unused variables htab and hdr_info and mark info parameter as unused. * elf.c (prep_headers): Remove unused variable i_phdrp. (_bfd_elf_write_object_contents): Remove unused variable i_ehdrp. * elf32-i386.c (elf_i386_relocate_section): Mark variabled warned as unused. * peXXigen.c (pe_print_reloc): Remove unused variable datasize. * verilog.c (verilog_write_section): Remove unused variable address. binutils/ChangeLog 2010-04-09 Nick Clifton <nickc@redhat.com> * dwarf.c (process_debug_info): Remove unused variable cu_abbrev_offset_ptr. (display_debug_lines_decoded): Remove unused variable prev_line. * elfedit.c (process_archive): Remove unused variable file_name_size. * ieee.c (ieee_start_compilation_unit): Remove unused variable nindx. (ieee_set_type): Remove unused variables info, targetindx and baseindx. * objdump.c (disassmble_byte): Remove unused variable done_dot. * rddbg.c (read_section_stabs_debugging_info): Remove unused variable other. * readelf.c (dump_section_as_strings): Remove unused variable addr. (process_archive): Remove unused variable file_name_size. * stabs.c (parse_stab_string): Mark desc parameter as unused. Remove unused variable lineno. (parse_stab_struct_type): Remove unused variable orig. (stab_demangle_type): Remove unused variables constp, volatilep and hold. gas/ChangeLog 2010-04-09 Nick Clifton <nickc@redhat.com> * as.c (create_obj_attrs_section): Remove unused variable addr. * listing.c (listing_listing): Remove unused variable message. * read.c: Remove unnecessary register type qualifiers. (s_mri): Only define/use old_flag variable if MRI_MODE_CHANGE is defined. ld/ChangeLog 2010-04-09 Nick Clifton <nickc@redhat.com> * ldlang.c (wild_sort): Remove unused variable section_name. opcodes/ChangeLog 2010-04-09 Nick Clifton <nickc@redhat.com> * i386-dis.c (print_insn): Remove unused variable op. (OP_sI): Remove unused variable mask.
2010-03-17 * ldlang.c (lang_size_sections_1): Remove "s" param. Set "s" fromAlan Modra1-13/+11
*prev instead. Update all callers.
2010-03-16 * ldlang.c (lang_insert_orphan): Place loadable orphans in the sameDaniel Jacobowitz1-1/+14
region and phdrs as their placement section. testsuite/ * ld-elf/orphan-region.d, ld-elf/orphan-region.ld, ld-elf/orphan-region.s: New files.
2010-02-25bfd/Alan Modra1-125/+125
PR ld/11304 * elf.c (_bfd_elf_init_private_section_data): Rename need_group to final_link and invert. For final link allow some flags to differ. Don't specially allow flags to be all zero. ld/ * ldlang.c (init_os): Remove isec param. Don't check for bfd_section already set or call bfd_init_private_section_data here. (exp_init_os): Update init_os call. (lang_add_section): Tidy. Really don't set SEC_LINK_ONCE flags. Call bfd_init_private_section_data here. (map_input_to_output_sections): Tidy. Update init_os calls. Use os->sectype to select sec flags for lang_data_statement.
2010-02-23 PR ld/11304Alan Modra1-108/+51
* ldlang.c: Revert last patch.
2010-02-22 PR ld/11304Alan Modra1-51/+108
* ldlang.c (exp_init_os): Delete forward declaration. (init_os): Don't check for bfd_section already created and don't init addr_tree and load_base expressions here. (map_input_to_output_sections): Only map input to output sections and set constraints here, and as an exception, create output sections which have their address set. Move all the other code to.. (create_other_output_sections): ..here. New function. Handle init of addr_tree and load_base here too. (lang_process): Call create_other_output_sections.
2010-02-19bfd/Alan Modra1-13/+24
* elf.c (_bfd_elf_fixup_group_sections): New function, split out from.. (_bfd_elf_copy_private_header_data): ..here. * elflink.c (_bfd_elf_size_group_sections): New function. (bfd_elf_size_dynamic_sections): Call it. * elf-bfd.h (_bfd_elf_size_group_sections): Declare. (_bfd_elf_fixup_group_sections): Declare. ld/ * ldlang.c (unique_section_p): Add os param. Allow group sections to match /DISCARD/. Update all callers. * emultempl/genelf.em (gld${EMULATION_NAME}_before_allocation): New. (LDEMUL_BEFORE_ALLOCATION): Define. ld/testsuite/ * ld-elf/group.ld: Discard .dropme sections. * ld-elf/group10.d, * ld-elf/group10.s: New test.
2010-01-21 PR 4437Nick Clifton1-3/+14
* ldfile.c: (ldfile_open_file): Do not stop link upon encountering a missing file or library. Instead mark the entry as missing and set the global flag to indicate that missing files were encountered. * ldlang.c (missing_files): New exported variable. (load_symbols): Skip loading if the file is missing. (open_input_bfds): Terminate link if any input files were missing. * ldlang.h (struct lang_input_statement_struct): Add missing_file field. Add export of missing_file variable.
2009-12-11Add -Wshadow to the gcc command line options used when compiling the binutils.Nick Clifton1-7/+3
Fix up all warnings generated by the addition of this switch.
2009-11-26 PR ld/10956Nick Clifton1-2/+2
* ld.h (struct args_type): Rename 'relax' field to 'disable_target_specific_optimizations' and turn it into a tri-state variable. (RELAXATION_DISABLED_BY_DEFAULT): New macro. (RELAXATION_DISABLED_BY_USER): New macro. (RELAXATION_ENABLED): New macro. (DISABLE_RELAXATION): New macro. (ENABLE_RELAXATION): New macro. * lexsup (enum option_values): Add OPTION_NO_RELAX. (struct ld_options): Add --no-relax. (parse_args): Handle OPTION_NO_RELAX. Use DISABLE_RELAXATION and ENABLE_RELAXATION macros. * ldlang.c (lang_relax_sections): Use RELAXATION_ENABLED macro. (lang_process): Likewise. * ldmain.c (main): Initialise disable_target_specific_optimizations field. (multiple_definition): Use RELAXATION_ENABLED macro. * ld.texinfo: Document new command line option. * emultempl/alphaelf.em: Remove --no-relax option. (before_allocation): Test RELAXATION_DISABLED_BY_USER macro. Use ENABLE_RELAXATION macro. * emultempl/avrelf.em: (after_allocation): Test RELAXATION_ENABLED macro. * emultempl/cr16elf.em: Remove --no-relax option. (before_allocation): Test RELAXATION_DISABLED_BY_USER macro. Use ENABLE_RELAXATION macro. * emultempl/crxelf.em: Remove --no-relax option. (before_allocation): Test RELAXATION_DISABLED_BY_USER macro. Use ENABLE_RELAXATION macro. * emultempl/mmix-elfnmmo.em: (before_allocation): Use ENABLE_RELAXATION macro. * emultempl/needrelax.em: (before_allocation): Use ENABLE_RELAXATION macro. * emultempl/ppc32elf.em: (before_allocation): Test RELAXATION_DISABLED_BY_DEFAULT macro. Use ENABLE_RELAXATION macro. * emultempl/sh64elf.em: (before_allocation): Test RELAXATION_ENABLED macro. Use DISABLE_RELAXATION macro. * emultempl/xtensaelf.em: Remove --no-relax option. (before_allocation): Test RELAXATION_ENABLED macro. Use ENABLE_RELAXATION macro.
2009-11-05 * lexsup.c: Rename --add-needed to --copy-dt-needed-entries.Nick Clifton1-9/+11
* ldlang.h (struct lang_input_statement_struct): Rename add_needed to add_DT_NEEDED_for_dynamic. Rename as_needed to add_DT_NEEDED_for_regular. * ldlang.c: Likewise. * ldlang.h: Likewise. * ldlang.c: Use the new variable names. * ldgram.y: Likewise. * emultempl/elf32.em: Likewise. * ld.texinfo: Document the renamed option. Also mention its affect on the resolution of dynamic symbols. * NEWS: Mention the changed option name.
2009-10-14 * ldlang.c (load_symbols): Set whole_archive from entry whenAlan Modra1-1/+4
parsing a linker script.
2009-10-09 PR ld/10749Alan Modra1-1/+7
* ldlang.c (lang_size_sections_1): Zero section vmas only for COFF.
2009-10-08 PR ld/10744Alan Modra1-2/+4
* ldlang.c (lang_new_phdr): Allow FILEHDR/PHDRS on more than the first PT_LOAD header. * ld.texinfo: Update.
2009-10-07 ld/Nathan Sidwell1-1/+9
* ldlang.c (lang_new_phdr): Check PHDRS and FILEHDR in loadable segments do not appear after a different loadable segment. * ld.texinfo (PHDRS): Document order of processing segments. Document where PHDRS and FILEHDR may appear. ld/testsuite/ * ld-scripts/phdrs3.d: New. * ld-scripts/phdrs3.t: New. * ld-scripts/phdrs3.exp: New.
2009-09-29 * ldlang.c (lang_size_sections_1): Allow scripts to specify aAlan Modra1-1/+1
non-zero vma even when relocatable.
2009-09-27* ldlang.c (lang_size_sections_1): Always force output vma to zero forChristopher Faylor1-6/+3
relocatable sections. (lang_size_sections_1): Revert previous COFF-only accommodation for relocatable sections.
2009-09-11 * po/bfd.pot: Updated by the Translation project.Nick Clifton1-49/+65
* po/binutils.pot: Updated by the Translation project. * po/gold.pot: Updated by the Translation project. * po/gold.pot: Updated by the Translation project. * po/gprof.pot: Updated by the Translation project. * po/sv.po: Updated Swedish translation. * po/ld.pot: Updated by the Translation project. * po/fi.po: Updated Finnish translation. * po/ld.pot: Updated by the Translation project. * po/fi.po: Updated Finnish translation. Updated sources to compile cleanly with -Wc++-compat: * basic_blocks.c: Add casts. * cg_dfn.c: Add cast. * corefile.c: Add casts. * gmon_io.c: Add casts. * hist.c: Add cast. * source.c: Add cast. * sym_ids.c (struct match): Moved to top level. Updated soruces in ld/* to compile cleanly with -Wc++-compat: * ld.h (enum endian_enum,enum symbolic_enum,enum dynamic_list_enum): Move to top level. * ldcref.c: Add casts. * ldctor.c: Add casts. * ldexp.c * ldexp.h (enum node_tree_enum,enum phase_enum): Move to top level. * ldlang.c: Add casts. (lang_insert_orphan): Use enum name instead of integer. * ldlang.h (enum statement_enum): Move to top level. * ldmain.c: Add casts. * ldwrite.c: Add casts. * lexsup.c: Add casts. (enum control_enum): Move to top level. * mri.c: Add casts. (mri_draw_tree): Use enum name instead of integer. Updated sources to compile cleanly with -Wc++-compat: * basic_blocks.c: Add casts. * cg_dfn.c: Add cast. * corefile.c: Add casts. * gmon_io.c: Add casts. * hist.c: Add cast. * source.c: Add cast. * sym_ids.c (struct match): Moved to top level. * as.c (main): Call dwarf2_init. * config/obj-elf.c (struct group_list): New field. (build_group_lists): Use hash lookup. (free_section_idx): New function. (elf_frob_file): Adjust. * dwarf2dbg.c (all_segs_hash, last_seg_ptr): New variables. (get_line_subseg): Adjust. (dwarf2_init): New function. * dwarf2dbg.h (dwarf2_init): New declaration.
2009-08-30 PR ld/10569Alan Modra1-2/+2
* ldexp.c (fold_name <MAXPAGESIZE>): Return config.maxpagesize. (fold_name <COMMONPAGESIZE>): Similarly. * ldlang.c (output_target): Make global. * ldlang.h (output_target): Declare. * ldmain.c (main): Set config.maxpagesize from bfd_emul_get_maxpagesize. Similarly for config.commonpagesize. * ldemul.c (set_output_arch_default): Call bfd_emul_set_maxpagesize and bfd_emul_set_commonpagesize. * emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Don't call bfd_emul_set_maxpagesize or bfd_emul_set_commonpagesize here.
2009-08-29 Updated sources to avoid using the identifier name "new", which is aNick Clifton1-72/+75
keyword in c++. * bfd/aoutx.h (NAME (aout, make_empty_symbol)): Rename variable new to new_symbol. * bfd/coffgen.c (coff_make_empty_symbol) (coff_bfd_make_debug_symbol): Rename variable new to new_symbol. * bfd/cpu-ia64-opc.c (ext_reg, ins_imms_scaled): Rename variable new to new_insn. * bfd/doc/chew.c (newentry, add_intrinsic): Rename variable new to new_d. * bfd/ecoff.c (_bfd_ecoff_make_empty_symbol): Rename variable new to new_symbol. * bfd/elf32-m68k.c (elf_m68k_get_got_entry_type): Rename argument new to new_reloc. * bfd/hash.c (bfd_hash_lookup): Rename variable new to new_string. * bfd/ieee.c (ieee_make_empty_symbol): Rename variable new to new_symbol. * bfd/linker.c (bfd_new_link_order): Rename variable new to new_lo. * bfd/mach-o.c (bfd_mach_o_sizeof_headers): Rename variable new to symbol. * bfd/oasys.c (oasys_make_empty_symbol): Rename variable new to new_symbol_type. * bfd/pdp11.c (NAME (aout, make_empty_symbol)): Rename variable new to new_symbol_type. * bfd/plugin.c (bfd_plugin_make_empty_symbol): Rename variable new to new_symbol. * bfd/rs6000-core.c (CoreHdr, VmInfo): Rename union member new to new_dump. (read_hdr, rs6000coff_core_p) (rs6000coff_core_file_matches_executable_p) (rs6000coff_core_file_failing_command) (rs6000coff_core_file_failing_signal): Updated function to use new union member name. * bfd/som.c (som_make_empty_symbol): Rename variable new to new_symbol_type. * bfd/syms.c (_bfd_generic_make_empty_symbol): Rename variable new to new_symbol. * bfd/tekhex.c (first_phase, tekhex_make_empty_symbol): Rename variable new to new_symbol. * binutils/nlmconv.c (main): Rename variable new to new_name. * gas/config/tc-arm.c (insert_reg_alias): Rename variable new to new_reg. * gas/config/tc-dlx.c (parse_operand): Rename variable new to new_pos. * gas/config/tc-ia64.c (ia64_gen_real_reloc_type): Rename variable new to newr. * gas/config/tc-mcore.c (parse_exp, parse_imm): Rename variable new to new_pointer. * gas/config/tc-microblaze.c (parse_exp, parse_imm, check_got): Change name from new to new_pointer. * gas/config/tc-or32.c (parse_operand): Rename variable new to new_pointer. * gas/config/tc-pdp11.c (md_assemble): Rename variable new to new_pointer. * gas/config/tc-pj.c (alias): Change argument new to new_name. * gas/config/tc-score.c (s3_build_score_ops_hsh): Rename variable new to new_opcode. (s3_build_dependency_insn_hsh) Rename variable new to new_i2n. (s3_convert): Rename variables old and new to r_old and r_new. * gas/config/tc-score7.c (s7_build_score_ops_hsh): Rename variable new to new_opcode. (s7_build_dependency_insn_hsh): Rename variable new to new_i2d. (s7_b32_relax_to_b16, s7_convert_frag): Rename variables old and new to r_old and r_new. * gas/config/tc-sh.c (parse_exp): Rename variable new to new_pointer. * gas/config/tc-sh64.c (shmedia_parse_exp): Rename variable new to new_pointer. * gas/config/tc-tic4x.c (tic4x_operand_parse): Rename variable new to new_pointer. * gas/config/tc-z8k.c (parse_exp): Rename variable new to new_pointer. * gas/listing.c (listing_newline): Rename variable new to new_i. * ld/ldexp.c (exp_intop, exp_bigintop, exp_relop, exp_binop) (exp_trinop, exp_unop, exp_nameop, exp_assop): Rename variable new to new_e. * ld/ldfile.c (ldfile_add_library_path): Rename variable new to new_dirs. (ldfile_add_arch): Rename variable new to new_arch. * ld/ldlang.c (new_statement, lang_final, lang_add_wild) (lang_target, lang_add_fill, lang_add_data, lang_add_assignment) (lang_add_insert): Rename variable new to new_stmt. (new_afile): Added missing cast. (lang_memory_region_lookup): Rename variable new to new_region. (init_os): Rename variable new to new_userdata. (lang_add_section): Rename variable new to new_section. (ldlang_add_undef): Rename variable new to new_undef. (realsymbol): Rename variable new to new_name. * opcodes/z8kgen.c (internal, gas): Rename variable new to new_op. Updated sources to avoid using the identifier name "template", which is a keyword in c++. * bfd/elf32-arm.c (struct stub_def): Rename member template to template_sequence. (arm_build_one_stub, find_stub_size_and_template, arm_size_one_stub, arm_map_one_stub): Rename variable template to template_sequence. * bfd/elfxx-ia64.c (elfNN_ia64_relax_br, elfNN_ia64_relax_brl): Rename variable template to template_val. * gas/config/tc-arm.c (struct asm_cond, struct asm_psr, struct asm_barrier_opt): Change member template to template_name. (md_begin): Update code to reflect new member names. * gas/config/tc-i386.c (struct templates, struct _i386_insn) (match_template, cpu_flags_match, match_reg_size, match_mem_size) (operand_size_match, md_begin, i386_print_statistics, pi) (build_vex_prefix, md_assemble, parse_insn, optimize_imm) (optimize_disp): Updated code to use new names. (parse_insn): Added casts. * gas/config/tc-ia64.c (dot_template, emit_one_bundle): Updated code to use new names. * gas/config/tc-score.c (struct s3_asm_opcode): Renamed member template to template_name. (s3_parse_16_32_inst, s3_parse_48_inst, s3_do_macro_ldst_label, s3_build_score_ops_hsh): Update code to use new names. * gas/config/tc-score7.c (struct s7_asm_opcode): Renamed member template to template_name. (s7_parse_16_32_inst, s7_do_macro_ldst_label, s7_build_score_ops_hsh): Update code to use new names. * gas/config/tc-tic30.c (md_begin, struct tic30_insn) (md_assemble): Update code to use new names. * gas/config/tc-tic54x.c (struct _tic54x_insn, md_begin) (optimize_insn, tic54x_parse_insn, next_line_shows_parallel): Update code to use new names. * include/opcode/tic30.h (template): Rename type template to insn_template. Updated code to use new name. * include/opcode/tic54x.h (template): Rename type template to insn_template. * opcodes/cris-dis.c (bytes_to_skip): Update code to use new name. * opcodes/i386-dis.c (putop): Update code to use new name. * opcodes/i386-gen.c (process_i386_opcodes): Update code to use new name. * opcodes/i386-opc.h (struct template): Rename struct template to insn_template. Update code accordingly. * opcodes/i386-tbl.h (i386_optab): Update type to use new name. * opcodes/ia64-dis.c (print_insn_ia64): Rename variable template to template_val. * opcodes/tic30-dis.c (struct instruction, get_tic30_instruction): Update code to use new name. * opcodes/tic54x-dis.c (has_lkaddr, get_insn_size) (print_parallel_instruction, print_insn_tic54x, tic54x_get_insn): Update code to use new name. * opcodes/tic54x-opc.c (tic54x_unknown_opcode, tic54x_optab): Update type to new name.
2009-08-122009-08-12 Tristan Gingold <gingold@adacore.com>Tristan Gingold1-2/+34
* ld.h (fat_user_section_struct): Add map_symbol_def_count field. * ldlang.c (hash_entry_addr_cmp): New function. (print_all_symbols): Sort the symbols by address before printing them.
2009-08-10 PR 10474Alan Modra1-44/+46
* ldemul.c (after_allocation_default): Run lang_relax_sections. * ldlang.h (lang_relax_sections): Declare. * ldlang.c (relax_sections): Delete. (lang_relax_sections): New function. (lang_process): Don't relax directly from here. * emultempl/alphaelf.em (alpha_finish): Call finish_default. * emultempl/armelf.em (arm_elf_after_allocation): Delete. Move body.. (gld${EMULATION_NAME}_finish): ..to here. Move existing code.. (gld${EMULATION_NAME}_after_allocation): ..to here. New function. (LDEMUL_AFTER_ALLOCATION): Update. * emultempl/avrelf.em (avr_elf_finish, LDEMUL_FINISH): Delete. (avr_elf_after_allocation): New function. (LDEMUL_AFTER_ALLOCATION): Define. * emultempl/elf-generic.em (gld${EMULATION_NAME}_map_segments): Call lang_relax_sections. * emultempl/elf32.em (gld${EMULATION_NAME}_finish): Delete. Move.. (gld${EMULATION_NAME}_after_allocation): ..code to here. New function. (LDEMUL_AFTER_ALLOCATION, LDEMUL_FINISH): Update. * emultempl/genelf.em (gld${EMULATION_NAME}_finish): Delete. Move.. (gld${EMULATION_NAME}_after_allocation): ..code to here. New function. (LDEMUL_FINISH): Delete. (LDEMUL_AFTER_ALLOCATION): Define. * emultempl/hppaelf.em (gld${EMULATION_NAME}_finish): Delete. Move.. (gld${EMULATION_NAME}_after_allocation): ..to here. New function. (LDEMUL_FINISH): Delete. (LDEMUL_AFTER_ALLOCATION): Define. * emultempl/m68hc1xelf.em (m68hc11elf_finish): Delete. Move.. (m68hc11elf_after_allocation): ..to here. New function. (LDEMUL_FINISH): Delete. (LDEMUL_AFTER_ALLOCATION): Define. * emultempl/m68kelf.em (m68k_elf_after_allocation): Call gld${EMULATION_NAME}_after_allocation. * emultempl/mmix-elfnmmo.em (mmix_after_allocation): Call gld${EMULATION_NAME}_after_allocation. * emultempl/mmo.em (mmo_finish): Delete. Move body.. (gld${EMULATION_NAME}_after_allocation): ..to here. New function. (LDEMUL_FINISH): Define. * emultempl/ppc64elf.em (ppc_layout_sections_again): Set elf_gp. (gld${EMULATION_NAME}_finish): Move code sizing sections.. (gld${EMULATION_NAME}_after_allocation): ..to here. * emultempl/sh64elf.em (sh64_elf_${EMULATION_NAME}_after_allocation): Call gld${EMULATION_NAME}_after_allocation. * emultempl/spuelf.em (gld${EMULATION_NAME}_finish): Delete bfd_elf_discard_info and map_segments call.
2009-07-232009-07-22 H.J. Lu <hongjiu.lu@intel.com>H.J. Lu1-1/+3
PR ld/10429 * ldlang.c (insert_os_after): Tie assignments to non-alloc output sections if there is no-input section.
2009-07-11 * ldlang.c (insert_os_after): Don't tie assignments to non-allocAlan Modra1-5/+12
output sections.
2009-06-252009-06-25 Tristan Gingold <gingold@adacore.com>Tristan Gingold1-5/+6
* ldlang.c (print_input_section): Add is_discarded parameter. Adjust prototype. (lang_map): Print the size of discarded sections. (print_statement): Adjust call to print_input_section.
2009-05-26 * ldlang.c (lang_check_section_addresses): Ignore non-alloc sections.Alan Modra1-1/+3
2009-05-22 * ldlang.c (lang_check_section_addresses): Ignore non-loadableNathan Sidwell1-2/+3
sections when checking for overlap. Clarify error message concerns load address. testsuite/ * ld-scripts/rgn-at4.t: New. * ld-scripts/rgn-at4.d: New.
2009-05-15ld/Alan Modra1-8/+41
* ldlang.c (lang_output_section_statement_lookup): Add function comment. Make "name" non-const. Ensure duplicate entries use the same string, allowing simple comparison in hash bucket loop. Tweak constraint check. (next_matching_output_section_statement): New function. * ldlang.h (lang_output_section_statement_lookup): Update. (next_matching_output_section_statement): Declare. * emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Don't combine orphan sections when input sections flags differ in alloc or load. * emultempl/pe.em: Formatting throughout. (gld${EMULATION_NAME}_place_orphan): As for elf32.em. * emultempl/pep.em: Formatting throughout. (gld${EMULATION_NAME}_place_orphan): As for elf32.em. ld/testsuite/ * ld-elf/orphan3.d, * ld-elf/orphan3a.s, * ld-elf/orphan3b.s, * ld-elf/orphan3c.s, * ld-elf/orphan3d.s, * ld-elf/orphan3e.s, * ld-elf/orphan3f.s: New test. * ld-pe/orphan.d, * ld-pe/orphana.s, * ld-pe/orphanb.s, * ld-pe/orphand.s, * ld-pe/orphane.s: New test. * ld-pe/direct.exp: Use is_pecoff_format. * ld-pe/longsecn.exp: Delete. * ld-pe/pe.exp: Run new test and longsecn tests.
2009-05-14 * ldlang.c (lang_insert_orphan): Add __start_<section> symbolAlan Modra1-11/+12
assignment inside output section statement. Ensure only one set of symbols per output section. * emultempl/pe.em (gld_${EMULATION_NAME}_place_orphan): Add non- dollar sections before dollar sections. Correct add_child list insertion. * emultempl/pep.em (gld_${EMULATION_NAME}_place_orphan): Likewise.
2009-04-16bfd/Richard Sandiford1-21/+3
* aout-adobe.c (aout_32_bfd_define_common_symbol): Define. * aout-target.h (MY_bfd_define_common_symbol): Likewise. * aout-tic30.c (MY_bfd_define_common_symbol): Likewise. * binary.c (binary_bfd_define_common_symbol): Likewise. * bout.c (b_out_bfd_define_common_symbol): Likewise. * coff-alpha.c (_bfd_ecoff_bfd_define_common_symbol): Likewise. * coff-mips.c (_bfd_ecoff_bfd_define_common_symbol): Likewise. * coffcode.h (coff_bfd_define_common_symbol): Likewise. * elfxx-target.h (bfd_elfNN_bfd_define_common_symbol): Likewise. * i386msdos.c (msdos_bfd_define_common_symbol): Likewise. * i386os9k.c (os9k_bfd_define_common_symbol): Likewise. * ieee.c (ieee_bfd_define_common_symbol): Likewise. * ihex.c (ihex_bfd_define_common_symbol): Likewise. * libbfd-in.h (_bfd_nolink_bfd_define_common_symbol): Likewise. * mach-o.c (bfd_mach_o_bfd_define_common_symbol): Likewise. * mmo.c (mmo_bfd_define_common_symbol): Likewise. * nlm-target.h (nlm_bfd_define_common_symbol): Likewise. * oasys.c (oasys_bfd_define_common_symbol): Likewise. * pef.c (bfd_pef_bfd_define_common_symbol): Likewise. * ppcboot.c (ppcboot_bfd_define_common_symbol): Likewise. * som.c (som_bfd_define_common_symbol): Likewise. * srec.c (srec_bfd_define_common_symbol): Likewise. * tekhex.c (tekhex_bfd_define_common_symbol): Likewise. * versados.c (versados_bfd_define_common_symbol): Likewise. * vms.c (vms_bfd_define_common_symbol): Likewise. * xcoff-target.h (_bfd_xcoff_bfd_define_common_symbol): Likewise. * xsym.c (bfd_sym_bfd_define_common_symbol): Likewise. * coff-rs6000.c (rs6000coff_vec): Add _bfd_xcoff_define_common_symbol. (pmac_xcoff_vec): Likewise. * coff64-rs6000.c (rs6000coff64_vec): Likewise. (aix5coff64_vec): Likewise. * linker.c (bfd_generic_define_common_symbol): New function. * targets.c (BFD_JUMP_TABLE_LINK): Add NAME##_bfd_define_common_symbol. (_bfd_define_common_symbol): New field. * libcoff-in.h (_bfd_xcoff_define_common_symbol): Declare. * xcofflink.c (_bfd_xcoff_define_common_symbol): New function. (xcoff_build_ldsyms): Don't set XCOFF_DEF_REGULAR for common symbols here. * bfd-in2.h: Regenerate. * libbfd.h: Likewise. * libcoff.h: Likewise. ld/ * ldlang.c (lang_one_common): Use bfd_define_common_symbol. ld/testsuite/ * ld-powerpc/aix-export-2.s, ld-powerpc/aix-export-2.nd: New test. * ld-powerpc/aix52.exp: Run it.