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The nondeduplicating CTF linker was kept around when the deduplicating one was added so that people had something to fall back to in case the deduplicating linker turned out to be buggy. It's now much more stable than the nondeduplicating linker, in addition to much faster, using much less memory and producing much better output. In addition, while libctf has a linker flag to invoke the nondeduplicating linker, ld does not expose it: the only way to turn it on within ld is an intentionally- undocumented environment variable. So we can remove it without any ABI or user-visibility concerns (the only thing we leave around is the CTF_LINK_NONDEDUP flag, which can easily be interpreted as "deduplicate less", though right now it does nothing). This lets us remove a lot of complexity associated with tracking filenames and CU names separately (something the deduplcating linker never bothered with, since the cunames are always reliable and ld never hands us useful filenames anyway) The biggest lacuna left behind is the ctf_type_mapping machinery, which slows down deduplicating links quite a lot. We can't just ditch it because ctf_add_type uses it: removing the slowdown from the deduplicating linker is a job for another commit. include/ChangeLog 2021-03-02 Nick Alcock <nick.alcock@oracle.com> * ctf-api.h (CTF_LINK_SHARE_DUPLICATED): Note that this might merely change how much deduplication is done. libctf/ChangeLog 2021-03-02 Nick Alcock <nick.alcock@oracle.com> * ctf-link.c (ctf_create_per_cu): Drop FILENAME now that it is always identical to CUNAME. (ctf_link_deduplicating_one_symtypetab): Adjust. (ctf_link_one_type): Remove. (ctf_link_one_input_archive_member): Likewise. (ctf_link_close_one_input_archive): Likewise. (ctf_link_one_input_archive): Likewise. (ctf_link): No longer call it. Drop CTF_LINK_NONDEDUP path. Improve header comment a bit (dicts, not files). Adjust ctf_create_per_cu call. (ctf_link_deduplicating_variables): Simplify. (ctf_link_in_member_cb_arg_t) <cu_name>: Remove. <in_input_cu_file>: Likewise. <in_fp_parent>: Likewise. <done_parent>: Likewise. (ctf_link_one_variable): Turn uses of in_file_name to in_cuname.
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147 lines
4.0 KiB
Plaintext
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
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* ctf-api.h (CTF_LINK_SHARE_DUPLICATED): Note that this might
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merely change how much deduplication is done.
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2021-03-01 Alan Modra <amodra@gmail.com>
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Fangrui Song <maskray@google.com>
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* bfdlink.h (struct bfd_link_info): Add start_stop_gc.
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2021-02-21 Alan Modra <amodra@gmail.com>
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* bfdlink.h (struct bfd_link_info): Add warn_multiple_definition.
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2021-02-17 Nick Alcock <nick.alcock@oracle.com>
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* ctf-api.h (ctf_arc_lookup_symbol_name): New.
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(ctf_lookup_by_symbol_name): Likewise.
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2021-02-19 Nelson Chu <nelson.chu@sifive.com>
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PR 27158
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* opcode/riscv.h: Updated encoding macros.
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2021-02-18 Nelson Chu <nelson.chu@sifive.com>
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* opcode/riscv.h: Moved stuff and make the file tidy.
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2021-02-15 Andreas Krebbel <krebbel@linux.ibm.com>
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* opcode/s390.h (enum s390_opcode_cpu_val): Add
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S390_OPCODE_ARCH14.
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2021-02-08 Mike Frysinger <vapier@gentoo.org>
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* opcode/tic54x.h (mmregs): Rename to ...
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(tic54x_mmregs): ... this.
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(regs): Rename to ...
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(tic54x_regs): ... this.
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(condition_codes): Rename to ...
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(tic54x_condition_codes): ... this.
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(cc2_codes): Rename to ...
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(tic54x_cc2_codes): ... this.
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(status_bits): Rename to ...
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(tic54x_status_bits): ... this.
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(cc3_codes): Rename to ...
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(tic54x_cc3_codes): ... this.
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(misc_symbols): Rename to ...
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(tic54x_misc_symbols): ... this.
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2021-02-05 Nelson Chu <nelson.chu@sifive.com>
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PR 27348
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* opcode/riscv.h: Remove obsolete OP_*CUSTOM_IMM.
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2021-02-05 Nelson Chu <nelson.chu@sifive.com>
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PR 27348
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* opcode/riscv-opc.h: Remove obsolete Xcustom support.
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2021-01-27 Nick Alcock <nick.alcock@oracle.com>
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* ctf-api.h (ECTF_NONAME): New.
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(ECTF_NERR): Adjust.
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2021-01-26 Nick Alcock <nick.alcock@oracle.com>
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* ctf-api.h (CTF_LINK_NO_FILTER_REPORTED_SYMS): New.
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2021-02-04 Nelson Chu <nelson.chu@sifive.com>
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* opcode/riscv-opc.h: Removed macros for zb* extensions.
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* opcode/riscv.h (riscv_insn_class): Removed INSN_CLASS_ZB*.
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2021-01-15 Nelson Chu <nelson.chu@sifive.com>
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* opcode/riscv.h: Indent and GNU coding standards tidy,
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also aligned the code.
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2021-01-15 Nelson Chu <nelson.chu@sifive.com>
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* elf/riscv.h: Comments tidy and improvement.
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* opcode/riscv-opc.h: Likewise.
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* opcode/riscv.h: Likewise.
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2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
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* opcode/aarch64.h (AARCH64_FEATURE_CSRE): Delete.
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(aarch64_opnd): Delete AARCH64_OPND_CSRE_CSR.
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2021-01-09 Nick Clifton <nickc@redhat.com>
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* 2.36 release branch crated.
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2021-01-07 Philipp Tomsich <prt@gnu.org>
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* opcode/riscv-opc.h: Added MATCH_PAUSE, MASK_PAUSE and DECLARE_INSN
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for pause hint instruction.
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* opcode/riscv.h (enum riscv_insn_class): Added INSN_CLASS_ZIHINTPAUSE.
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2021-01-07 Claire Xenia Wolf <claire@symbioticeda.com>
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Jim Wilson <jimw@sifive.com>
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Andrew Waterman <andrew@sifive.com>
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Maxim Blinov <maxim.blinov@embecosm.com>
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Kito Cheng <kito.cheng@sifive.com>
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Nelson Chu <nelson.chu@sifive.com>
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* opcode/riscv-opc.h: Added MASK/MATCH/DECLARE_INSN for ZBA/ZBB/ZBC.
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* opcode/riscv.h (riscv_insn_class): Added INSN_CLASS_ZB*.
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(enum riscv_isa_spec_class): Added ISA_SPEC_CLASS_DRAFT for the
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frozen extensions.
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2021-01-05 Nick Alcock <nick.alcock@oracle.com>
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* ctf-api.h (CTF_MN_RECURSE): New.
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(ctf_member_next): Add flags argument.
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2021-01-05 Nick Alcock <nick.alcock@oracle.com>
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* ctf-api.h (ECTF_INCOMPLETE): New.
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(ECTF_NERR): Adjust.
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2021-01-01 Nicolas Boulenguez <nicolas@debian.org>
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* coff/internal.h: Correct comment spelling.
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* coff/sym.h: Likewise.
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* opcode/aarch64.h: Likewise.
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2021-01-01 Alan Modra <amodra@gmail.com>
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Update year range in copyright notice of all files.
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For older changes see ChangeLog-2020
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Copyright (C) 2021 Free Software Foundation, Inc.
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved.
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Local Variables:
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mode: change-log
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left-margin: 8
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fill-column: 74
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version-control: never
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End:
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