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320fdefef1
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.
42 lines
1.5 KiB
Plaintext
42 lines
1.5 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
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# It does some substitutions.
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fragment <<EOF
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struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
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{
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${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
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${LDEMUL_SYSLIB-syslib_default},
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${LDEMUL_HLL-hll_default},
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${LDEMUL_AFTER_PARSE-after_parse_default},
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${LDEMUL_BEFORE_PLUGIN_ALL_SYMBOLS_READ-NULL},
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${LDEMUL_AFTER_OPEN-after_open_default},
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${LDEMUL_AFTER_CHECK_RELOCS-after_check_relocs_default},
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${LDEMUL_BEFORE_PLACE_ORPHANS-before_place_orphans_default},
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${LDEMUL_AFTER_ALLOCATION-after_allocation_default},
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${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
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${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
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${LDEMUL_BEFORE_ALLOCATION-before_allocation_default},
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${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
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"${EMULATION_NAME}",
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"${OUTPUT_FORMAT}",
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${LDEMUL_FINISH-finish_default},
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${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
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${LDEMUL_OPEN_DYNAMIC_ARCHIVE-NULL},
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${LDEMUL_PLACE_ORPHAN-NULL},
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${LDEMUL_SET_SYMBOLS-NULL},
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${LDEMUL_PARSE_ARGS-NULL},
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${LDEMUL_ADD_OPTIONS-NULL},
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${LDEMUL_HANDLE_OPTION-NULL},
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${LDEMUL_UNRECOGNIZED_FILE-NULL},
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${LDEMUL_LIST_OPTIONS-NULL},
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${LDEMUL_RECOGNIZED_FILE-NULL},
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${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
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${LDEMUL_NEW_VERS_PATTERN-NULL},
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${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL},
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${LDEMUL_EMIT_CTF_EARLY-NULL},
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${LDEMUL_ACQUIRE_STRINGS_FOR_CTF-NULL},
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${LDEMUL_NEW_DYNSYM_FOR_CTF-NULL},
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${LDEMUL_PRINT_SYMBOL-NULL}
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};
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EOF
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