[PATCH] Merge upstream GCC changes for include/ and libiberty/ directories
Andrew Burgess
andrew.burgess@embecosm.com
Tue Feb 25 17:27:00 GMT 2020
I went ahead and pushed this change as obvious - given I'm just
merging back changes from GCC.
Do let me know if anyone sees any problems.
Thanks,
Andrew
* Andrew Burgess <andrew.burgess@embecosm.com> [2020-02-19 19:18:21 +0000]:
> This commit pulls in the latest changes for the include/ and
> libiberty/ directories. The last sync was in commit
> 533da48302a26885a972e4379eccc26b364e5b53.
>
> This commit also removes the file libiberty/rust-demangle.h, this file
> has been removed in upstream GCC, and should have been deleted as part
> of the previous sync up, which included this ChangeLog entry:
>
> 2019-11-16 Eduard-Mihai Burtescu <eddyb@lyken.rs>
>
> ....
> * rust-demangle.h: Remove.
>
> I've grep'd over the binutils-gdb source and can find no reference to
> the rust-demangle.h file, and everything seems to build fine without
> it, so I assume its continued existence was a mistake.
>
> include/ChangeLog:
>
> Import from gcc mainline:
> 2020-02-05 Andrew Burgess <andrew.burgess@embecosm.com>
>
> * hashtab.h (htab_remove_elt): Make a parameter const.
> (htab_remove_elt_with_hash): Likewise.
>
> libiberty/ChangeLog:
>
> * rust-demangle.h: Removed.
>
> Import from gcc mainline:
> 2020-02-05 Andrew Burgess <andrew.burgess@embecosm.com>
>
> * hashtab.c (htab_remove_elt): Make a parameter const.
> (htab_remove_elt_with_hash): Likewise.
>
> 2020-01-23 Alexandre Oliva <oliva@adacore.com>
>
> * argv.c (writeargv): Output empty args as "".
>
> 2020-01-18 Iain Sandoe <iain@sandoe.co.uk>
>
> * cp-demangle.c (cplus_demangle_operators): Add the co_await
> operator.
> * testsuite/demangle-expected: Test co_await operator mangling.
> ---
> include/ChangeLog | 8 +++++++
> include/hashtab.h | 4 ++--
> libiberty/ChangeLog | 20 ++++++++++++++++
> libiberty/argv.c | 8 +++++++
> libiberty/cp-demangle.c | 1 +
> libiberty/hashtab.c | 4 ++--
> libiberty/rust-demangle.h | 45 -----------------------------------
> libiberty/testsuite/demangle-expected | 3 +++
> 8 files changed, 44 insertions(+), 49 deletions(-)
> delete mode 100644 libiberty/rust-demangle.h
>
> diff --git a/include/hashtab.h b/include/hashtab.h
> index d94b54c3c41..6cca342b989 100644
> --- a/include/hashtab.h
> +++ b/include/hashtab.h
> @@ -173,8 +173,8 @@ extern void * htab_find_with_hash (htab_t, const void *, hashval_t);
> extern void ** htab_find_slot_with_hash (htab_t, const void *,
> hashval_t, enum insert_option);
> extern void htab_clear_slot (htab_t, void **);
> -extern void htab_remove_elt (htab_t, void *);
> -extern void htab_remove_elt_with_hash (htab_t, void *, hashval_t);
> +extern void htab_remove_elt (htab_t, const void *);
> +extern void htab_remove_elt_with_hash (htab_t, const void *, hashval_t);
>
> extern void htab_traverse (htab_t, htab_trav, void *);
> extern void htab_traverse_noresize (htab_t, htab_trav, void *);
> diff --git a/libiberty/argv.c b/libiberty/argv.c
> index 8c9794db6a2..6a72208d845 100644
> --- a/libiberty/argv.c
> +++ b/libiberty/argv.c
> @@ -327,6 +327,14 @@ writeargv (char * const *argv, FILE *f)
> arg++;
> }
>
> + /* Write out a pair of quotes for an empty argument. */
> + if (arg == *argv)
> + if (EOF == fputs ("\"\"", f))
> + {
> + status = 1;
> + goto done;
> + }
> +
> if (EOF == fputc ('\n', f))
> {
> status = 1;
> diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
> index 3639bfbfd43..fc55b7fae1f 100644
> --- a/libiberty/cp-demangle.c
> +++ b/libiberty/cp-demangle.c
> @@ -1802,6 +1802,7 @@ const struct demangle_operator_info cplus_demangle_operators[] =
> { "ad", NL ("&"), 1 },
> { "an", NL ("&"), 2 },
> { "at", NL ("alignof "), 1 },
> + { "aw", NL ("co_await "), 1 },
> { "az", NL ("alignof "), 1 },
> { "cc", NL ("const_cast"), 2 },
> { "cl", NL ("()"), 2 },
> diff --git a/libiberty/hashtab.c b/libiberty/hashtab.c
> index 26c98ce2d68..225e9e540a7 100644
> --- a/libiberty/hashtab.c
> +++ b/libiberty/hashtab.c
> @@ -709,7 +709,7 @@ htab_find_slot (htab_t htab, const PTR element, enum insert_option insert)
> element in the hash table, this function does nothing. */
>
> void
> -htab_remove_elt (htab_t htab, PTR element)
> +htab_remove_elt (htab_t htab, const PTR element)
> {
> htab_remove_elt_with_hash (htab, element, (*htab->hash_f) (element));
> }
> @@ -720,7 +720,7 @@ htab_remove_elt (htab_t htab, PTR element)
> function does nothing. */
>
> void
> -htab_remove_elt_with_hash (htab_t htab, PTR element, hashval_t hash)
> +htab_remove_elt_with_hash (htab_t htab, const PTR element, hashval_t hash)
> {
> PTR *slot;
>
> diff --git a/libiberty/rust-demangle.h b/libiberty/rust-demangle.h
> deleted file mode 100644
> index abf4c6cde55..00000000000
> --- a/libiberty/rust-demangle.h
> +++ /dev/null
> @@ -1,45 +0,0 @@
> -/* Internal demangler interface for the Rust programming language.
> - Copyright (C) 2016-2019 Free Software Foundation, Inc.
> - Written by David Tolnay (dtolnay@gmail.com).
> -
> -This file is part of the libiberty library.
> -Libiberty is free software; you can redistribute it and/or
> -modify it under the terms of the GNU Library General Public
> -License as published by the Free Software Foundation; either
> -version 2 of the License, or (at your option) any later version.
> -
> -In addition to the permissions in the GNU Library General Public
> -License, the Free Software Foundation gives you unlimited permission
> -to link the compiled version of this file into combinations with other
> -programs, and to distribute those combinations without any restriction
> -coming from the use of this file. (The Library Public License
> -restrictions do apply in other respects; for example, they cover
> -modification of the file, and distribution when not linked into a
> -combined executable.)
> -
> -Libiberty is distributed in the hope that it will be useful,
> -but WITHOUT ANY WARRANTY; without even the implied warranty of
> -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> -Library General Public License for more details.
> -
> -You should have received a copy of the GNU Library General Public
> -License along with libiberty; see the file COPYING.LIB.
> -If not, see <http://www.gnu.org/licenses/>. */
> -
> -/* This file provides some definitions shared by cplus-dem.c and
> - rust-demangle.c. It should not be included by any other files. */
> -
> -/* Returns non-zero iff MANGLED is a rust mangled symbol. MANGLED must
> - already have been demangled through cplus_demangle_v3. If this function
> - returns non-zero then MANGLED can be demangled (in-place) using
> - RUST_DEMANGLE_SYM. */
> -extern int
> -rust_is_mangled (const char *mangled);
> -
> -/* Demangles SYM (in-place) if RUST_IS_MANGLED returned non-zero for SYM.
> - If RUST_IS_MANGLED returned zero for SYM then RUST_DEMANGLE_SYM might
> - replace characters that cannot be demangled with '?' and might truncate
> - SYM. After calling RUST_DEMANGLE_SYM SYM might be shorter, but never
> - larger. */
> -extern void
> -rust_demangle_sym (char *sym);
> diff --git a/libiberty/testsuite/demangle-expected b/libiberty/testsuite/demangle-expected
> index 5d0c62bd137..ccadf84e608 100644
> --- a/libiberty/testsuite/demangle-expected
> +++ b/libiberty/testsuite/demangle-expected
> @@ -1450,3 +1450,6 @@ Foo<int>()::{lambda(auto:1)#1}::operator()<char>(char) const::X::fn
>
> _Z3fooILPv0EEvPN9enable_ifIXeqT_LDnEEvE4typeE
> void foo<(void*)0>(enable_if<((void*)0)==(decltype(nullptr)), void>::type*)
> +
> +_ZNK5coro15emptyawEv
> +coro1::empty::operator co_await() const
> --
> 2.14.5
>
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