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Age	Commit message (Collapse)	Author	Files	Lines
2022-03-09	ld: Add a before_plugin_all_symbols_read hook	H.J. Lu	1	-0/+1
	Add a before_plugin_all_symbols_read hook to load symbol references from DT_NEEDED entries, included from --copy-dt-needed-entries, before reading plugin symbols to properly resolve plugin symbol references. bfd/ PR ld/28849 * elf-bfd.h (elf_link_hash_table): Add handling_dt_needed. * elflink.c (_bfd_elf_merge_symbol): Don't set non_ir_ref_dynamic before plugin 'all symbols read' hook is called. ld/ PR ld/28849 * ldelf.c (ldelf_handle_dt_needed): New function. (ldelf_before_plugin_all_symbols_read): Likewise. (ldelf_after_open): Call ldelf_handle_dt_needed. * ldelf.h (ldelf_before_plugin_all_symbols_read): New. * ldemul.c (ldemul_before_plugin_all_symbols_read): Likewise. * ldemul.h (ldemul_before_plugin_all_symbols_read): Likewise. (ld_emulation_xfer_struct): Add before_plugin_all_symbols_read. * ldlang.c (lang_process): Call ldemul_before_plugin_all_symbols_read before calling plugin_call_all_symbols_read. * emultempl/elf.em (gld${EMULATION_NAME}_before_plugin_all_symbols_read): New. (LDEMUL_BEFORE_PLUGIN_ALL_SYMBOLS_READ): New. * emultempl/emulation.em (ld_${EMULATION_NAME}_emulation): Initialize the before_plugin_all_symbols_read field. * testsuite/ld-plugin/lto.exp: Run PR ld/28849 tests. * testsuite/ld-plugin/pr28849.d: New file. * testsuite/ld-plugin/pr28849a.c: Likewise. * testsuite/ld-plugin/pr28849b.c: Likewise.
2022-02-06	ld: Add emultempl/emulation.em	H.J. Lu	1	-0/+40
	Add emultempl/emulation.em to define ld_${EMULATION_NAME}_emulation so that new emulation hooks can be added easily. * emultempl/aix.em (LDEMUL_AFTER_OPEN): New. (LDEMUL_SET_OUTPUT_ARCH): Likewise. (LDEMUL_CHOOSE_TARGET): Likewise. (LDEMUL_BEFORE_ALLOCATION): Likewise. (LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS): Likewise. (LDEMUL_OPEN_DYNAMIC_ARCHIVE): Likewise. (LDEMUL_PARSE_ARGS): Likewise. (LDEMUL_ADD_OPTIONS): Likewise. (LDEMUL_HANDLE_OPTION): Likewise. (LDEMUL_UNRECOGNIZED_FILE): Likewise. (LDEMUL_PRINT_SYMBOL): Likewise. (ld_${EMULATION_NAME}_emulation): Removed. Source ${srcdir}/emultempl/emulation.em. * emultempl/beos.em (gld_${EMULATION_NAME}_before_parse): Renamed to ... (gld${EMULATION_NAME}_before_parse): This. (gld_${EMULATION_NAME}_set_symbols): Renamed to ... (gld${EMULATION_NAME}_set_symbols): This. (gld_${EMULATION_NAME}_after_open): Renamed to ... (gld${EMULATION_NAME}_after_open): This. (gld_${EMULATION_NAME}_before_allocation): Renamed to ... (gld${EMULATION_NAME}_before_allocation): This. (gld_${EMULATION_NAME}_get_script): Renamed to ... (gld${EMULATION_NAME}_get_script): This. (LDEMUL_AFTER_OPEN): New. (LDEMUL_BEFORE_ALLOCATION): Likewise. (LDEMUL_PLACE_ORPHAN): Likewise. (LDEMUL_SET_SYMBOLS): Likewise. (LDEMUL_ADD_OPTIONS): Likewise. (LDEMUL_HANDLE_OPTION): Likewise. (ld_${EMULATION_NAME}_emulation): Removed. Source ${srcdir}/emultempl/emulation.em. * emultempl/elf.em (LDEMUL_AFTER_PARSE): New. (LDEMUL_AFTER_OPEN): Likewise. (LDEMUL_BEFORE_PLACE_ORPHANS): Likewise. (LDEMUL_AFTER_ALLOCATION): Likewise. (LDEMUL_SET_OUTPUT_ARCH): Likewise. (LDEMUL_BEFORE_ALLOCATION): Likewise. (LDEMUL_OPEN_DYNAMIC_ARCHIVE): Likewise. (LDEMUL_PLACE_ORPHAN): Likewise. (LDEMUL_ADD_OPTIONS): Likewise. (LDEMUL_HANDLE_OPTION): Likewise. (LDEMUL_LIST_OPTIONS): Likewise. (LDEMUL_UNRECOGNIZED_FILE): Likewise. (ld_${EMULATION_NAME}_emulation): Removed. Source ${srcdir}/emultempl/emulation.em. * emultempl/emulation.em: New file. * emultempl/generic.em (ld_${EMULATION_NAME}_emulation): Removed. Source ${srcdir}/emultempl/emulation.em. * emultempl/msp430.em (LDEMUL_AFTER_OPEN): New. (LDEMUL_AFTER_ALLOCATION): Likewise. (LDEMUL_PLACE_ORPHAN): Likewise. (LDEMUL_FINISH): Likewise. (LDEMUL_ADD_OPTIONS): Likewise. (LDEMUL_HANDLE_OPTION): Likewise. (LDEMUL_LIST_OPTIONS): Likewise. (ld_${EMULATION_NAME}_emulation): Removed. Source ${srcdir}/emultempl/emulation.em. * emultempl/pe.em (gld_${EMULATION_NAME}_before_parse): Renamed to ... (gld${EMULATION_NAME}_before_parse): This. (gld_${EMULATION_NAME}_list_options): Renamed to ... (gld${EMULATION_NAME}_list_options): This. (gld_${EMULATION_NAME}_set_symbols): Renamed to ... (gld${EMULATION_NAME}_set_symbols): This. (gld_${EMULATION_NAME}_after_parse): Renamed to ... (gld${EMULATION_NAME}_after_parse): This. (gld_${EMULATION_NAME}_after_open): Renamed to ... (gld${EMULATION_NAME}_after_open): This. (gld_${EMULATION_NAME}_before_allocation): Renamed to ... (gld${EMULATION_NAME}_before_allocation): This. (gld_${EMULATION_NAME}_unrecognized_file): Renamed to ... (gld${EMULATION_NAME}_unrecognized_file): This. (gld_${EMULATION_NAME}_recognized_file): Renamed to ... (gld${EMULATION_NAME}_recognized_file): This. (gld_${EMULATION_NAME}_finish): Renamed to ... (gld${EMULATION_NAME}_finish): This. (gld_${EMULATION_NAME}_place_orphan): Renamed to ... (gld${EMULATION_NAME}_place_orphan): This. (gld_${EMULATION_NAME}_open_dynamic_archive): Renamed to ... (gld${EMULATION_NAME}_open_dynamic_archive): This. (gld_${EMULATION_NAME}_find_potential_libraries): Renamed to ... (gld${EMULATION_NAME}_find_potential_libraries): This. (gld_${EMULATION_NAME}_get_script): Renamed to ... (gld${EMULATION_NAME}_get_script): This. (LDEMUL_AFTER_PARSE): New. (LDEMUL_AFTER_OPEN): Likewise. (LDEMUL_BEFORE_ALLOCATION): Likewise. (LDEMUL_FINISH=): Likewise. (LDEMUL_OPEN_DYNAMIC_ARCHIVE): Likewise. (LDEMUL_PLACE_ORPHAN): Likewise. (LDEMUL_SET_SYMBOLS): Likewise. (LDEMUL_ADD_OPTIONS): Likewise. (LDEMUL_HANDLE_OPTION): Likewise. (LDEMUL_UNRECOGNIZED_FILE): Likewise. (LDEMUL_LIST_OPTIONS): Likewise. (LDEMUL_RECOGNIZED_FILE): Likewise. (LDEMUL_FIND_POTENTIAL_LIBRARIES): Likewise. (ld_${EMULATION_NAME}_emulation): Removed. Source ${srcdir}/emultempl/emulation.em. * emultempl/pep.em (gld_${EMULATION_NAME}_before_parse): Renamed to ... (gld${EMULATION_NAME}_before_parse): This. (gld_${EMULATION_NAME}_list_options): Renamed to ... (gld${EMULATION_NAME}_list_options): This. (gld_${EMULATION_NAME}_set_symbols): Renamed to ... (gld${EMULATION_NAME}_set_symbols): This. (gld_${EMULATION_NAME}_after_parse): Renamed to ... (gld${EMULATION_NAME}_after_parse): This. (gld_${EMULATION_NAME}_after_open): Renamed to ... (gld${EMULATION_NAME}_after_open): This. (gld_${EMULATION_NAME}_before_allocation): Renamed to ... (gld${EMULATION_NAME}_before_allocation): This. (gld_${EMULATION_NAME}_unrecognized_file): Renamed to ... (gld${EMULATION_NAME}_unrecognized_file): This. (gld_${EMULATION_NAME}_recognized_file): Renamed to ... (gld${EMULATION_NAME}_recognized_file): This. (gld_${EMULATION_NAME}_finish): Renamed to ... (gld${EMULATION_NAME}_finish): This. (gld_${EMULATION_NAME}_place_orphan): Renamed to ... (gld${EMULATION_NAME}_place_orphan): This. (gld_${EMULATION_NAME}_open_dynamic_archive): Renamed to ... (gld${EMULATION_NAME}_open_dynamic_archive): This. (gld_${EMULATION_NAME}_find_potential_libraries): Renamed to ... (gld${EMULATION_NAME}_find_potential_libraries): This. (gld_${EMULATION_NAME}_get_script): Renamed to ... (gld${EMULATION_NAME}_get_script): This. (LDEMUL_AFTER_PARSE): New. (LDEMUL_AFTER_OPEN): Likewise. (LDEMUL_BEFORE_ALLOCATION): Likewise. (LDEMUL_FINISH=): Likewise. (LDEMUL_OPEN_DYNAMIC_ARCHIVE): Likewise. (LDEMUL_PLACE_ORPHAN): Likewise. (LDEMUL_SET_SYMBOLS): Likewise. (LDEMUL_ADD_OPTIONS): Likewise. (LDEMUL_HANDLE_OPTION): Likewise. (LDEMUL_UNRECOGNIZED_FILE): Likewise. (LDEMUL_LIST_OPTIONS): Likewise. (LDEMUL_RECOGNIZED_FILE): Likewise. (LDEMUL_FIND_POTENTIAL_LIBRARIES): Likewise. (ld_${EMULATION_NAME}_emulation): Removed. Source ${srcdir}/emultempl/emulation.em. * emultempl/ticoff.em (gld_${EMULATION_NAME}_list_options): Renamed to ... (gld${EMULATION_NAME}_list_options): This. (gld_${EMULATION_NAME}_before_parse): Renamed to ... (gld_${EMULATION_NAME}_get_script): Renamed to ... (gld${EMULATION_NAME}_get_script): This. (LDEMUL_ADD_OPTIONS): New. (LDEMUL_HANDLE_OPTION): Likewise. (LDEMUL_LIST_OPTIONS): Likewise. (ld_${EMULATION_NAME}_emulation): Removed. Source ${srcdir}/emultempl/emulation.em. * emultempl/vanilla.em (LDEMUL_BEFORE_PARSE): New. (LDEMUL_SET_OUTPUT_ARCH): Likewise. (LDEMUL_GET_SCRIPT): Likewise. (EMULATION_NAME): Likewise. (OUTPUT_FORMAT): Likewise. (ld_vanilla_emulation): Removed. Source ${srcdir}/emultempl/emulation.em.