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On musl <pthread.h> uses calloc() (via <sched.h>). <memory> includes
it indirectly and exposes use of poisoned calloc() when module code
is built:
/build/build/./prev-gcc/xg++ ... ../../gcc-13-20220626/gcc/cp/mapper-resolver.cc
In file included from /<<NIX>>/musl-1.2.3-dev/include/pthread.h:30,
from /build/build/prev-x86_64-unknown-linux-musl/libstdc++-v3/include/x86_64-unknown-linux-musl/bits/gthr-default.h:35,
....
from /build/build/prev-x86_64-unknown-linux-musl/libstdc++-v3/include/memory:77,
from ../../gcc-13-20220626/gcc/../libcody/cody.hh:24,
from ../../gcc-13-20220626/gcc/cp/../../c++tools/resolver.h:25,
from ../../gcc-13-20220626/gcc/cp/../../c++tools/resolver.cc:23,
from ../../gcc-13-20220626/gcc/cp/mapper-resolver.cc:32:
/<<NIX>>/musl-1.2.3-dev/include/sched.h:84:7: error: attempt to use poisoned "calloc"
84 | void *calloc(size_t, size_t);
| ^
/<<NIX>>/musl-1.2.3-dev/include/sched.h:124:36: error: attempt to use poisoned "calloc"
124 | #define CPU_ALLOC(n) ((cpu_set_t *)calloc(1,CPU_ALLOC_SIZE(n)))
| ^
gcc/cp/
PR c++/106102
* mapper-client.cc: Include <memory> via "system.h".
* mapper-resolver.cc: Ditto.
* module.cc: Ditto.
libcc1/
PR c++/106102
* libcc1plugin.cc: Include <memory> via "system.h".
* libcp1plugin.cc: Ditto.
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This patch completes the transition of libcc1 from the use of separate
template functions for different arities to the use of variadic
functions. This is how I had wanted it to work from the very
beginning, and is possible now with C++11.
I had thought that variadic callbacks required C++17, but it turns out
that the approach taken here is basically equivalent to std::apply --
just a bit wordier.
libcc1
* rpc.hh (argument_wrapper) <get>: Replace cast operator.
(argument_wrapper<T *>) <get>: Likewise.
(unmarshall): Add std::tuple overloads.
(callback): Remove.
(class invoker): New.
* libcp1plugin.cc (plugin_init): Update.
* libcp1.cc (libcp1::add_callbacks): Update.
* libcc1plugin.cc (plugin_init): Update.
* libcc1.cc (libcc1::add_callbacks): Update.
* connection.cc (cc1_plugin::connection::do_wait): Update.
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Both plugins in libcc1 share a fair amount of boilerplate. They both
share error-emission code, context management code, and tree GC code.
This patch unifies these two bodies of code, avoiding needless
duplication.
libcc1
* libcc1plugin.cc: Move code to context.cc.
* libcp1plugin.cc: Move code to context.cc.
* context.hh: New file.
* context.cc: New file.
* Makefile.in: Rebuild.
* Makefile.am (AM_CPPFLAGS): Add more gcc flags.
(CPPFLAGS_FOR_C, CPPFLAGS_FOR_CXX): Update.
(libcc1plugin_la_SOURCES): Add context.hh, context.cc.
(libcp1plugin_la_SOURCES): Likewise.
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This changes libcc1 to ues foreach in a couple of spots.
libcc1
* libcp1plugin.cc (plugin_context::mark): Use foreach.
* libcc1plugin.cc (plugin_context::mark): Use foreach.
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This changes libcc1 to use std::vector in the code that builds
function types. This avoids some explicit memory management.
libcc1
* libcp1plugin.cc (plugin_build_function_type): Use std::vector.
* libcc1plugin.cc (plugin_build_function_type): Use std::vector.
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Now that C++11 can be used in GCC, libcc1 can be changed to use
templates and type traits to handle unmarshalling all kinds of enums.
libcc1
* marshall.hh (cc1_plugin::unmarshall): Use type traits.
* marshall-cp.hh (cc1_plugin::unmarshall): Remove overloads.
* marshall-c.hh: Remove.
* libcc1plugin.cc: Update includes.
* libcc1.cc: Update includes.
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In cleaning up C++'s handling of hidden decls, I renamed its
DECL_BUILTIN_P, which checks for loc == BUILTINS_LOCATION to
DECL_UNDECLARED_BUILTIN_P, because the location gets updated, if user
source declares the builtin, and the predicate no longer holds. The
original name was confusing me. (The builtin may still retain builtin
properties in the redeclaration, and other predicates can still detect
that.)
I discovered that tree.h had its own variant 'DECL_IS_BUILTIN', which
behaves in (almost) the same manner. And therefore has the same
mutating behaviour.
This patch deletes the C++ one, and renames tree.h's to
DECL_IS_UNDECLARED_BUILTIN, to emphasize its non-constantness. I
guess _IS_ wins over _P
gcc/
* tree.h (DECL_IS_BUILTIN): Rename to ...
(DECL_IS_UNDECLARED_BUILTIN): ... here. No need to use SOURCE_LOCUS.
* calls.c (maybe_warn_alloc_args_overflow): Adjust for rename.
* cfgexpand.c (pass_expand::execute): Likewise.
* dwarf2out.c (base_type_die, is_naming_typedef_decl): Likewise.
* godump.c (go_decl, go_type_decl): Likewise.
* print-tree.c (print_decl_identifier): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree-ssa-ccp.c (pass_post_ipa_warn::execute): Likewise.
* xcoffout.c (xcoff_assign_fundamental_type_number): Likewise.
gcc/c-family/
* c-ada-spec.c (collect_ada_nodes): Rename
DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
(collect_ada_node): Likewise.
(dump_forward_type): Likewise.
* c-common.c (set_underlying_type): Rename
DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
(user_facing_original_type, c_common_finalize_early_debug): Likewise.
gcc/c/
* c-decl.c (diagnose_mismatched_decls): Rename
DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
(warn_if_shadowing, implicitly_declare, names_builtin_p)
(collect_source_refs): Likewise.
* c-typeck.c (inform_declaration, inform_for_arg)
(convert_for_assignment): Likewise.
gcc/cp/
* cp-tree.h (DECL_UNDECLARED_BUILTIN_P): Delete.
* cp-objcp-common.c (names_bultin_p): Rename
DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
* decl.c (decls_match): Likewise. Replace
DECL_UNDECLARED_BUILTIN_P with DECL_IS_UNDECLARED_BUILTIN.
(duplicate_decls): Likewise.
* decl2.c (collect_source_refs): Likewise.
* name-lookup.c (anticipated_builtin_p, print_binding_level)
(do_nonmember_using_decl): Likewise.
* pt.c (builtin_pack_fn_p): Likewise.
* typeck.c (error_args_num): Likewise.
gcc/lto/
* lto-symtab.c (lto_symtab_merge_decls_1): Rename
DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
gcc/go/
* go-gcc.cc (Gcc_backend::call_expression): Rename
DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
libcc1/
* libcc1plugin.cc (address_rewriter): Rename
DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
* libcp1plugin.cc (supplement_binding): Likewise.
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From-SVN: r279813
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From-SVN: r267494
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Historically GCC used location_t, while libcpp used source_location.
This inconsistency has been annoying me for a while, so this patch
removes source_location in favor of location_t throughout
(as the latter is shorter).
gcc/ChangeLog:
* builtins.c: Replace "source_location" with "location_t".
* diagnostic-show-locus.c: Likewise.
* diagnostic.c: Likewise.
* dumpfile.c: Likewise.
* gcc-rich-location.h: Likewise.
* genmatch.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* input.c: Likewise.
* input.h: Likewise. Eliminate the typedef.
* omp-expand.c: Likewise.
* selftest.h: Likewise.
* substring-locations.h (get_source_location_for_substring):
Rename to..
(get_location_within_string): ...this.
* tree-cfg.c: Replace "source_location" with "location_t".
* tree-cfgcleanup.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-into-ssa.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-phinodes.h: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssa.h: Likewise.
* tree-vect-loop-manip.c: Likewise.
gcc/c-family/ChangeLog:
* c-common.c (c_get_substring_location): Update for renaming of
get_source_location_for_substring to get_location_within_string.
* c-lex.c: Replace "source_location" with "location_t".
* c-opts.c: Likewise.
* c-ppoutput.c: Likewise.
gcc/c/ChangeLog:
* c-decl.c: Replace "source_location" with "location_t".
* c-tree.h: Likewise.
* c-typeck.c: Likewise.
* gimple-parser.c: Likewise.
gcc/cp/ChangeLog:
* call.c: Replace "source_location" with "location_t".
* cp-tree.h: Likewise.
* cvt.c: Likewise.
* name-lookup.c: Likewise.
* parser.c: Likewise.
* typeck.c: Likewise.
gcc/fortran/ChangeLog:
* cpp.c: Replace "source_location" with "location_t".
* gfortran.h: Likewise.
gcc/go/ChangeLog:
* go-gcc-diagnostics.cc: Replace "source_location" with "location_t".
* go-gcc.cc: Likewise.
* go-linemap.cc: Likewise.
* go-location.h: Likewise.
* gofrontend/README: Likewise.
gcc/jit/ChangeLog:
* jit-playback.c: Replace "source_location" with "location_t".
gcc/testsuite/ChangeLog:
* g++.dg/plugin/comment_plugin.c: Replace "source_location" with
"location_t".
* gcc.dg/plugin/diagnostic_plugin_test_show_locus.c: Likewise.
libcc1/ChangeLog:
* libcc1plugin.cc: Replace "source_location" with "location_t".
(plugin_context::get_source_location): Rename to...
(plugin_context::get_location_t): ...this.
* libcp1plugin.cc: Likewise.
libcpp/ChangeLog:
* charset.c: Replace "source_location" with "location_t".
* directives-only.c: Likewise.
* directives.c: Likewise.
* errors.c: Likewise.
* expr.c: Likewise.
* files.c: Likewise.
* include/cpplib.h: Likewise. Rename MAX_SOURCE_LOCATION to
MAX_LOCATION_T.
* include/line-map.h: Likewise.
* init.c: Likewise.
* internal.h: Likewise.
* lex.c: Likewise.
* line-map.c: Likewise.
* location-example.txt: Likewise.
* macro.c: Likewise.
* pch.c: Likewise.
* traditional.c: Likewise.
From-SVN: r266085
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From-SVN: r256169
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Extend libcc1's with an API for C++ support.
Extend libcc1's C API to distinguish between integral types with the
same width, as in C++. Likewise for float types.
Export small bits of functionality from the C++ front-end for use in
libcc1. Add support for the C++ front-end to look up names and
addresses using a libcc1-registered binding oracle. Add support for
global friends.
for gcc/cp/ChangeLog
Introduce C++ support in libcc1.
* cp-tree.h (struct lang_identifier): Add oracle_looked_up.
(ansi_opname): Rename to...
(cp_operator_id): ... this. Adjust all callers.
(ansi_assopname): Rename to...
(cp_assignment_operator_id): ... this. Adjust all callers.
(cp_literal_operator_id): Declare.
(set_global_friend): Declare.
(is_global_friend): Declare.
(enum cp_oracle_request): New type.
(cp_binding_oracle_function): New type.
(cp_binding_oracle): Declare.
(cp_finish_injected_record_type): Declare.
* friend.c (global_friend): New var.
(set_global_friend): New fn.
(is_global_friend): New fn.
(is_friend): Call is_global_friend.
* name-lookup.c (cp_binding_oracle): New var.
(query_oracle): New fn.
(qualified_lookup_using_namespace): Call query_oracle.
(lookup_name_real_1): Likewise.
* parser.c (cp_literal_operator_id): Drop static.
* search.c (friend_accessible_p): Call is_global_friend.
* semantics.c (is_this_parameter): Accept a variable if the
binding oracle is enabled.
for include/ChangeLog
Introduce C++ support in libcc1.
* gcc-c-fe.def (int_type_v0): Rename from...
(int_type): ... this. Introduce new version.
(float_type_v0): Rename from...
(float_type): ... this. Introduce new version.
(char_type): New.
* gcc-c-interface.h (gcc_c_api_version): Add GCC_C_FE_VERSION_1.
(gcc_type_array): Move...
* gcc-interface.h: ... here.
* gcc-cp-fe.def: New.
* gcc-cp-interface.h: New.
for libcc1/ChangeLog
Introduce C++ support.
* Makefile.am (AM_CPPFLAGS): Move some -I flags to...
(CPPFLAGS_FOR_C_FAMILY, CPPFLAGS_FOR_C, CPPFLAGS_FOR_CXX): ...
new macros.
(plugin_LTLIBRARIES): Add libcp1plugin.la.
(BUILT_SOURCES, MOSTLYCLEANFILES): Add...
(cp-compiler-name.h): ... this. New.
(c-compiler-name.h): Rename all over from...
(compiler-name.h): ... this. Create it atomically.
(marshall_c_source, marshall_cxx_source): New macros.
(libcc1plugin_la_SOURCES): Rename plugin.cc to libcc1plugin.cc.
Add marshall_c_source expansion.
(libcc1plugin.lo_CPPFLAGS): New macro.
(libcp1plugin_la_LDFLAGS): Likewise.
(libcp1plugin_la_SOURCES): Likewise.
(libcp1plugin.lo_CPPFLAGS): Likewise.
(libcp1plugin_la_LIBADD): Likewise.
(libcp1plugin_la_DEPENDENCIES): Likewise.
(libcp1plugin_la_LINK): Likewise.
(libcc1_la_SOURCES): Added marshall_c_source and
marshall_cxx_source expansions.
* Makefile.in: Rebuild.
* compiler-name.h: Rename all over to...
* c-compiler-name.h: ... this. Define C_COMPILER_NAME instead
of COMPILER_NAME.
* plugin.cc: Rename all over to...
* libcc1plugin.cc: ... this. Include marshall-c.hh.
(address_rewriter): Drop cleaning up of VLA sizes.
(plugin_build_decl): Mark decls as external.
(plugin_tagbind): Propagate name to all variants.
(build_anonymous_node): New.
(plugin_build_record_type): Use it instead of make_node.
(plugin_build_union_type): Likewise.
(plugin_build_enum_type): Likewise.
(plugin_finish_record_or_union): Update all type variants.
(safe_lookup_builtin_type): New.
(plugin_int_check): Factor out of, and add checks to, ...
(plugin_int_type): ... this. Rename to...
(plugin_int_type_v0): ... this.
(plugin_int_type): New interface, new implementation.
(plugin_char_type): New.
(plugin_float_type_v0): Rename from...
(plugin_float_type): ... this. New interface, new implementation.
(plugin_init): Bump handshake version.
* libcc1.cc: Include marshall-c.hh. Drop gcc-interface.h.
(call_binding_oracle): Rename to...
(c_call_binding_oracle): ... this, into anonymous namespace.
(call_symbol_address): Rename to...
(c_call_symbol_address): ... this, likewise.
(GCC_METHOD#): Move methods into cc1plugin::c:: namespace.
(libcc1::compiler::find): Refer to C_COMPILER_NAME.
(fork_exec): Bump to GCC_C_FE_VERSION_1.
(libcc1_compile): Prefix callbacks with c_.
(gcc_c_fe_context): Accept GCC_C_FE_VERSION_1.
* libcc1.sym: Export gcc_cp_fe_context.
* libcp1.cc: New, mostly copied and adjusted from libcc1.cc.
* libcp1plugin.cc: New, initially copied from libcc1plugin.cc.
* libcp1plugin.sym: New.
* marshall-c.hh: New. Move C-specific types from...
* marshall.cc: ... this.
(cc1_plugin::marshall_array_start): New.
(cc1_plugin::marshall_array_elmts): New.
(cc1_plugin::marshall for gcc_type_array): Use the above.
(cc1_plugin::unmarshall_array_start): New.
(cc1_plugin::unmarshall_array_elmts): New.
(cc1_plugin::unmarshall for gcc_type_array): Use the above.
* marshall.hh: Declare the new array building blocks.
Drop C-specific unmarshall declarations.
* marshall-cp.hh: New.
* names.cc (GCC_METHOD#): Add LANG:: to method names.
(LANG): Define while including gcc-c-fe.def and gcc-cp-fe.def.
* names.hh: Include gcc-c-fe.def and gcc-cp-fe.def in the
corresponding namespaces.
* rpc.hh: Don't include marshall.hh.
[GCC_CP_INTERFACE_H] (argument_wrapper): Specialize for
gcc_vbase_array, gcc_cp_template_args, gcc_cp_function_args.
From-SVN: r245051
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