2021-01-15 09:36:51 +08:00
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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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2021-01-13 10:05:48 +08:00
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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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2021-01-06 01:39:04 +08:00
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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 18:40:28 +08:00
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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 15:53:25 +08:00
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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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2020-12-15 23:11:03 +08:00
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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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libctf, include: support unnamed structure members better
libctf has no intrinsic support for the GCC unnamed structure member
extension. This principally means that you can't look up named members
inside unnamed struct or union members via ctf_member_info: you have to
tiresomely find out the type ID of the unnamed members via iteration,
then look in each of these.
This is ridiculous. Fix it by extending ctf_member_info so that it
recurses into unnamed members for you: this is still unambiguous because
GCC won't let you create ambiguously-named members even in the presence
of this extension.
For consistency, and because the release hasn't happened and we can
still do this, break the ctf_member_next API and add flags: we specify
one flag, CTF_MN_RECURSE, which if set causes ctf_member_next to
automatically recurse into unnamed members for you, returning not only
the members themselves but all their contained members, so that you can
use ctf_member_next to identify every member that it would be valid to
call ctf_member_info with.
New lookup tests are added for all of this.
include/ChangeLog
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-api.h (CTF_MN_RECURSE): New.
(ctf_member_next): Add flags argument.
libctf/ChangeLog
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (struct ctf_next) <u.ctn_next>: Move to...
<ctn_next>: ... here.
* ctf-util.c (ctf_next_destroy): Unconditionally destroy it.
* ctf-lookup.c (ctf_symbol_next): Adjust accordingly.
* ctf-types.c (ctf_member_iter): Reimplement in terms of...
(ctf_member_next): ... this. Support recursive unnamed member
iteration (off by default).
(ctf_member_info): Look up members in unnamed sub-structs.
* ctf-dedup.c (ctf_dedup_rhash_type): Adjust ctf_member_next call.
(ctf_dedup_emit_struct_members): Likewise.
* testsuite/libctf-lookup/struct-iteration-ctf.c: Test empty unnamed
members, and a normal member after the end.
* testsuite/libctf-lookup/struct-iteration.c: Verify that
ctf_member_count is consistent with the number of successful returns
from a non-recursive ctf_member_next.
* testsuite/libctf-lookup/struct-iteration-*: New, test iteration
over struct members.
* testsuite/libctf-lookup/struct-lookup.c: New test.
* testsuite/libctf-lookup/struct-lookup.lk: New test.
2021-01-05 21:25:56 +08:00
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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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libctf, ld: prohibit getting the size or alignment of forwards
C allows you to do only a very few things with entities of incomplete
type (as opposed to pointers to them): make pointers to them and give
them cv-quals, roughly. In particular you can't sizeof them and you
can't get their alignment.
We cannot impose all the requirements the standard imposes on CTF users,
because the deduplicator can transform any structure type into a forward
for the purposes of breaking cycles: so CTF type graphs can easily
contain things like arrays of forward type (if you want to figure out
their size or alignment, you need to chase down the types this forward
might be a forward to in child TU dicts: we will soon add API functions
to make doing this much easier).
Nonetheless, it is still meaningless to ask for the size or alignment of
forwards: but libctf didn't prohibit this and returned nonsense from
internal implementation details when you asked (it returned the kind of
the pointed-to type as both the size and alignment, because forwards
reuse ctt_type as a type kind, and ctt_type and ctt_size overlap). So
introduce a new error, ECTF_INCOMPLETE, which is returned when you try
to get the size or alignment of forwards: we also return it when you try
to do things that require libctf itself to get the size or alignment of
a forward, notably using a forward as an array index type (which C
should never do in any case) or adding forwards to structures without
specifying their offset explicitly.
The dumper will not emit size or alignment info for forwards any more.
(This should not be an API break since ctf_type_size and ctf_type_align
could both return errors before now: any code that isn't expecting error
returns is already potentially broken.)
include/ChangeLog
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-api.h (ECTF_INCOMPLETE): New.
(ECTF_NERR): Adjust.
ld/ChangeLog
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* testsuite/ld-ctf/conflicting-cycle-1.parent.d: Adjust for dumper
changes.
* testsuite/ld-ctf/cross-tu-cyclic-conflicting.d: Likewise.
* testsuite/ld-ctf/forward.c: New test...
* testsuite/ld-ctf/forward.d: ... and results.
libctf/ChangeLog
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-types.c (ctf_type_resolve): Improve comment.
(ctf_type_size): Yield ECTF_INCOMPLETE when applied to forwards.
Emit errors into the right dict.
(ctf_type_align): Likewise.
* ctf-create.c (ctf_add_member_offset): Yield ECTF_INCOMPLETE
when adding a member without explicit offset when this member, or
the previous member, is incomplete.
* ctf-dump.c (ctf_dump_format_type): Do not try to print the size of
forwards.
(ctf_dump_member): Do not try to print their alignment.
2021-01-05 21:25:56 +08:00
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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 11:51:52 +08:00
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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 06:58:58 +08:00
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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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2021-01-01 06:47:13 +08:00
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For older changes see ChangeLog-2020
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2016-01-01 18:44:31 +08:00
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2021-01-01 06:47:13 +08:00
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Copyright (C) 2021 Free Software Foundation, Inc.
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2016-01-01 18:44:31 +08:00
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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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