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This implements ABI-compliant lambda discriminators. Not only do we
have per-scope counters, but we also distinguish by lambda signature.
Only lambdas with the same signature will need non-zero
discriminators. As the discriminator is signature-dependent, we have
to process the lambda function's declaration before we can determine
it. For templated and generic lambdas the signature is that of the
uninstantiated lambda -- not separate for each instantiation.
With this change, gcc and clang now produce the same lambda manglings
for all these testcases.
gcc/cp/
* cp-tree.h (LAMBDA_EXPR_SCOPE_SIG_DISCRIMINATOR): New.
(struct tree_lambda_expr): Add discriminator_sig bitfield.
(recrd_lambda_scope_sig_discriminator): Declare.
* lambda.cc (struct lambda_sig_count): New.
(lambda_discriminator): Add signature vector.
(start_lambda_scope): Adjust.
(compare_lambda_template_head, compare_lambda_sig): New.
(record_lambda_scope_sig_discriminator): New.
* mangle.cc (write_closure_type): Use the scope-sig discriminator for
ABI >= 18. Emit abi mangling warning if needed.
* module.cc (trees_out::core_vals): Stream the new discriminator.
(trees_in::core_vals): Likewise.
* parser.cc (cp_parser_lambda_declarator_opt): Call
record_lambda_scope_sig_discriminator.
* pt.cc (tsubst_lambda_expr): Likewise.
libcc1/
* libcp1plugin.cc (plugin_start_lambda_closure_class_type):
Initialize the per-scope, per-signature discriminator.
gcc/testsuite/
* g++.dg/abi/lambda-sig1-18.C: New.
* g++.dg/abi/lambda-sig1-18vs17.C: New.
* g++.dg/cpp1y/lambda-mangle-1-18.C: New.
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We currently use a per-extra-scope counter to discriminate multiple
lambdas in a particular such scope. This is not ABI compliant. This
patch merely refactors the existing code to make it easier to drop in
a conformant mangling -- there's no functional change here. I rename
the LAMBDA_EXPR_DISCIMINATOR to LAMBDA_EXPR_SCOPE_ONLY_DISCRIMINATOR,
foreshadowing that there'll be a new discriminator. To provide ABI
warnings we'll need to calculate both, and that requires some
repacking of the lambda_expr's fields. Finally, although we end up
calling the discriminator setter and the scope recorder (nearly)
always consecutively, it's clearer to handle it as two separate
operations. That also allows us to remove the instantiation
special-case for a null extra-scope.
gcc/cp/
* cp-tree.h (LAMBDA_EXPR_DISCRIMINATOR): Rename to ...
(LAMBDA_EXPR_SCOPE_ONLY_DISCRIMINATOR): ... here.
(struct tree_lambda_expr): Make default_capture_mode &
discriminator_scope bitfields.
(record_null_lambda_scope) Delete.
(record_lambda_scope_discriminator): Declare.
* lambda.cc (struct lambda_discriminator): New struct.
(lambda_scope, lambda_scope_stack): Adjust types.
(lambda_count): Delete.
(struct tree_int): Delete.
(start_lambda_scope, finish_lambda_scope): Adjust.
(record_lambda_scope): Only record the scope.
(record_lambda_scope_discriminator): New.
* mangle.cc (write_closure_type_name): Adjust.
* module.cc (trees_out::core_vals): Likewise,
(trees_in::core_vals): Likewise.
* parser.cc (cp_parser_lambda_expression): Call
record_lambda_scope_discriminator.
* pt.cc (tsubst_lambda_expr): Adjust record_lambda_scope caling. Call
record_lambda_scope_discriminator. Commonize control flow on tsubsting
the operator function.
libcc1/
* libcp1plugin.cc (plugin_start_closure): Adjust.
gcc/testsuite/
* g++.dg/abi/lambda-sig1-17.C: New.
* g++.dg/abi/lambda-sig1.h: New.
* g++.dg/cpp1y/lambda-mangle-1.C: Extracted to ...
* g++.dg/cpp1y/lambda-mangle-1.h: ... here.
* g++.dg/cpp1y/lambda-mangle-1-11.C: New
* g++.dg/cpp1y/lambda-mangle-1-17.C
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Needed after a recent change.
gcc/ChangeLog:
* configure: Regenerate.
libatomic/ChangeLog:
* configure: Regenerate.
libbacktrace/ChangeLog:
* configure: Regenerate.
libcc1/ChangeLog:
* configure: Regenerate.
libffi/ChangeLog:
* configure: Regenerate.
libgfortran/ChangeLog:
* configure: Regenerate.
libgomp/ChangeLog:
* configure: Regenerate.
libitm/ChangeLog:
* configure: Regenerate.
libobjc/ChangeLog:
* configure: Regenerate.
liboffloadmic/ChangeLog:
* configure: Regenerate.
* plugin/configure: Regenerate.
libphobos/ChangeLog:
* configure: Regenerate.
libquadmath/ChangeLog:
* configure: Regenerate.
libsanitizer/ChangeLog:
* configure: Regenerate.
libssp/ChangeLog:
* configure: Regenerate.
libstdc++-v3/ChangeLog:
* configure: Regenerate.
libvtv/ChangeLog:
* configure: Regenerate.
lto-plugin/ChangeLog:
* configure: Regenerate.
zlib/ChangeLog:
* configure: Regenerate.
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This change adds the configury bits to activate the build of
shared libs on VxWorks ports configured with --enable-shared,
for libraries variants where this is generally supported (rtp,
code model !large - currently not compatible with -fPIC).
Set lt_cv_deplibs_check_method in libtool.m4, so the build of
libraries know how to establish dependencies. This is useful in
configurations such as aarch64 where proper support of LSE relies
on accurate dependency information between libstdc++ and libgcc_s
to begin with.
Regenerate configure scripts to reflect libtool.m4 change.
2022-10-09 Olivier Hainque <hainque@adacore.com>
* libtool.m4 (*vxworks*): When enable_shared, set dynamic_linker
and friends for rtp !large. Assume the linker has the required
abilities and set lt_cv_deplibs_check_method.
gcc/
* config.gcc (*vxworks*): Add t-slibgcc fragment
if enable_shared.
libgcc/
* config.host (*vxworks*): When enable_shared, add
libgcc and crtstuff "shared" fragments for rtp except
large code model.
(aarch64*-wrs-vxworks7*): Remove t-slibgcc-libgcc from
the list of fragments.
2022-10-09 Olivier Hainque <hainque@adacore.com>
gcc/
* configure: Regenerate.
libatomic/
* configure: Regenerate.
libbacktrace/
* configure: Regenerate.
libcc1/
* configure: Regenerate.
libffi/
* configure: Regenerate.
libgfortran/
* configure: Regenerate.
libgomp/
* configure: Regenerate.
libitm/
* configure: Regenerate.
libobjc/
* configure: Regenerate.
liboffloadmic/
* configure: Regenerate.
liboffloadmic/
* plugin/configure: Regenerate.
libphobos/
* configure: Regenerate.
libquadmath/
* configure: Regenerate.
libsanitizer/
* configure: Regenerate.
libssp/
* configure: Regenerate.
libstdc++-v3/
* configure: Regenerate.
libvtv/
* configure: Regenerate.
lto-plugin/
* configure: Regenerate.
zlib/
* configure: Regenerate.
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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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$ac_cv_prog_OBJDUMP contains the --host OBJDUMP that
libtool has inferred. Current config/gcc-plugin.m4 does
not respect the user's choice for OBJDUMP.
PR plugins/95648
config/
* gcc-plugin.m4: Use libtool's $ac_cv_prog_OBJDUMP.
gcc/
* configure: Regenerate.
libcc1/
* configure: Regenerate.
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In order to properly implement two-stage name lookup for dependent
operator expressions, we need to remember the result of unqualified
lookup of the operator at template definition time, and reuse that
result rather than performing another unqualified lookup at
instantiation time.
Ideally we could just store the lookup in the expression directly, but
as pointed out in r9-6405 this isn't really possible since we use the
standard tree codes to represent most dependent operator expressions.
We could perhaps create a new tree code to represent dependent operator
expressions, with enough operands to store the lookup along with
everything else, but that'd require a lot of careful work to make sure
we handle this new tree code properly across the frontend.
But currently type-dependent operator (and call) expressions are given
an empty TREE_TYPE, which dependent_type_p treats as dependent, so this
field is effectively unused except to signal that the expression is
type-dependent. It'd be convenient if we could store the lookup there
while preserving the dependent-ness of the expression.
To that end, this patch creates a new kind of type, called
DEPENDENT_OPERATOR_TYPE, which we give to dependent operator expressions
and into which we can store the result of operator lookup at template
definition time (DEPENDENT_OPERATOR_TYPE_SAVED_LOOKUPS). Since this
type is always dependent (by definition), and since the frontend doesn't
seem to care much about the exact type of a type-dependent expression,
using this type in place of a NULL_TREE type seems to "just work"; only
dependent_type_p and WILDCARD_TYPE_P need to be adjusted to return true
for this new type.
The rest of the patch mostly consists of adding the necessary plumbing
to pass DEPENDENT_OPERATOR_TYPE_SAVED_LOOKUPS to add_operator_candidates,
adjusting all callers of build_x_* appropriately, and removing the now
unnecessary push_operator_bindings mechanism.
In passing, this patch simplifies finish_constraint_binary_op to avoid
using build_x_binary_op for building a binary constraint-expr; we don't
need to consider operator overloads here, as the &&/|| inside a
constraint effectively always has the built-in meaning (since atomic
constraints must have bool type).
This patch also makes FOLD_EXPR_OP yield a tree_code instead of a raw
INTEGER_CST.
Finally, this patch adds the XFAILed test operator-8.C which is about
broken two-stage name lookup for rewritten non-dependent operator
expressions, an existing bug that's otherwise only documented in
build_new_op.
PR c++/51577
PR c++/83035
PR c++/100465
gcc/cp/ChangeLog:
* call.c (add_operator_candidates): Add lookups parameter.
Use it to avoid performing a second unqualified lookup when
instantiating a dependent operator expression.
(build_new_op): Add lookups parameter and pass it appropriately.
* constraint.cc (finish_constraint_binary_op): Use
build_min_nt_loc instead of build_x_binary_op.
* coroutines.cc (build_co_await): Adjust call to build_new_op.
* cp-objcp-common.c (cp_common_init_ts): Mark
DEPENDENT_OPERATOR_TYPE appropriately.
* cp-tree.def (DEPENDENT_OPERATOR_TYPE): Define.
* cp-tree.h (WILDCARD_TYPE_P): Accept DEPENDENT_OPERATOR_TYPE.
(FOLD_EXPR_OP_RAW): New, renamed from ...
(FOLD_EXPR_OP): ... this. Change this to return the tree_code directly.
(DEPENDENT_OPERATOR_TYPE_SAVED_LOOKUPS): Define.
(templated_operator_saved_lookups): Define.
(build_new_op): Add lookups parameter.
(build_dependent_operator_type): Declare.
(build_x_indirect_ref): Add lookups parameter.
(build_x_binary_op): Likewise.
(build_x_unary_op): Likewise.
(build_x_compound_expr): Likewise.
(build_x_modify_expr): Likewise.
* cxx-pretty-print.c (get_fold_operator): Adjust after
FOLD_EXPR_OP change.
* decl.c (start_preparsed_function): Don't call
push_operator_bindings.
* decl2.c (grok_array_decl): Adjust calls to build_new_op.
* method.c (do_one_comp): Likewise.
(build_comparison_op): Likewise.
* module.cc (trees_out::type_node): Handle DEPENDENT_OPERATOR_TYPE.
(trees_in::tree_node): Likewise.
* name-lookup.c (lookup_name): Revert r11-2876 change.
(op_unqualified_lookup): Remove.
(maybe_save_operator_binding): Remove.
(discard_operator_bindings): Remove.
(push_operator_bindings): Remove.
* name-lookup.h (maybe_save_operator_binding): Remove.
(push_operator_bindings): Remove.
(discard_operator_bindings): Remove.
* parser.c (cp_parser_unary_expression): Adjust calls to build_x_*.
(cp_parser_binary_expression): Likewise.
(cp_parser_assignment_expression): Likewise.
(cp_parser_expression): Likewise.
(do_range_for_auto_deduction): Likewise.
(cp_convert_range_for): Likewise.
(cp_parser_perform_range_for_lookup): Likewise.
(cp_parser_template_argument): Likewise.
(cp_parser_omp_for_cond): Likewise.
(cp_parser_omp_for_incr): Likewise.
(cp_parser_omp_for_loop_init): Likewise.
(cp_convert_omp_range_for): Likewise.
(cp_finish_omp_range_for): Likewise.
* pt.c (fold_expression): Adjust after FOLD_EXPR_OP change. Pass
templated_operator_saved_lookups to build_x_*.
(tsubst_omp_for_iterator): Adjust call to build_x_modify_expr.
(tsubst_expr) <case COMPOUND_EXPR>: Pass
templated_operator_saved_lookups to build_x_*.
(tsubst_copy_and_build) <case INDIRECT_REF>: Likewise.
<case tcc_unary>: Likewise.
<case tcc_binary>: Likewise.
<case MODOP_EXPR>: Likewise.
<case COMPOUND_EXPR>: Likewise.
(dependent_type_p_r): Return true for DEPENDENT_OPERATOR_TYPE.
* ptree.c (cxx_print_type): Handle DEPENDENT_OPERATOR_TYPE.
* semantics.c (finish_increment_expr): Adjust call to
build_x_unary_op.
(finish_unary_op_expr): Likewise.
(handle_omp_for_class_iterator): Adjust calls to build_x_*.
(finish_omp_cancel): Likewise.
(finish_unary_fold_expr): Use build_dependent_operator_type.
(finish_binary_fold_expr): Likewise.
* tree.c (cp_free_lang_data): Don't call discard_operator_bindings.
* typeck.c (rationalize_conditional_expr): Adjust call to
build_x_binary_op.
(op_unqualified_lookup): Define.
(build_dependent_operator_type): Define.
(build_x_indirect_ref): Add lookups parameter and use
build_dependent_operator_type.
(build_x_binary_op): Likewise.
(build_x_array_ref): Likewise.
(build_x_unary_op): Likewise.
(build_x_compound_expr_from_list): Adjust call to
build_x_compound_expr.
(build_x_compound_expr_from_vec): Likewise.
(build_x_compound_expr): Add lookups parameter and use
build_dependent_operator_type.
(cp_build_modify_expr): Adjust call to build_new_op.
(build_x_modify_expr): Add lookups parameter and use
build_dependent_operator_type.
* typeck2.c (build_x_arrow): Adjust call to build_new_op.
libcc1/ChangeLog:
* libcp1plugin.cc (plugin_build_unary_expr): Adjust call to
build_x_unary_op.
(plugin_build_binary_expr): Adjust call to build_x_binary_op.
gcc/testsuite/ChangeLog:
* g++.dg/lookup/operator-3.C: Split out operator overload
declarations into ...
* g++.dg/lookup/operator-3-ops.h: ... here.
* g++.dg/lookup/operator-3a.C: New test.
* g++.dg/lookup/operator-4.C: New test.
* g++.dg/lookup/operator-4a.C: New test.
* g++.dg/lookup/operator-5.C: New test.
* g++.dg/lookup/operator-5a.C: New test.
* g++.dg/lookup/operator-6.C: New test.
* g++.dg/lookup/operator-7.C: New test.
* g++.dg/lookup/operator-8.C: New test.
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We now use a C++ compiler so that we need to process
CXXFLAGS as well as CFLAGS in the gcc-plugin config
fragment.
Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
config/ChangeLog:
* gcc-plugin.m4: Save and process CXXFLAGS.
gcc/ChangeLog:
* configure: Regenerate.
libcc1/ChangeLog:
* configure: Regenerate.
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The default for building host-side binaries for mdynamic-no-pic
hosts is to enable this. However, it is not compatible with
dynamic libraries, so must be switched off for libcc1.
Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
libcc1/ChangeLog:
* Makefile.am: Switch mdynamic-no-pic to fPIC.
* Makefile.in: Regenerated.
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libcc1/ChangeLog:
* libcp1plugin.cc (record_decl_address): Replace a direct use
of TREE_NO_WARNING with suppress_warning.
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This is a trivial change to libcc1 to avoid an explicit call to c_str.
Passing by const reference is slightly less wordy.
libcc1
* compiler.cc (make_regexp): Take const std::string.
(cc1_plugin::compiler_triplet_regexp::find): Update.
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PR c/94669 points out that a couple of spots in libcc1 take a
std::string where a reference would do. This changes these spots to
take a const char *, to reduce the number of copies.
libcc1
PR c/94669
* compiler.hh (compiler_driver_filename): Take const char *.
(compiler_triplet_regexp): Likewise.
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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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libcc1 has a memory leak when calling fork_exec -- it allocates a new
vector of arguments, but then does not free it anywhere. This patch
changes this code to use std::vector instead.
Note that the previous code tried to avoid bad_alloc. I don't believe
this is very important. For one thing, plenty of other allocations do
not bother with this.
libcc1
* gdbctx.hh (do_compile): Use std::vector.
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Both the C and C++ side of the GDB plugin in libcc1 share a lot of
code relating to the base GCC interface. It was all copy-and-pasted,
but is essentially identical between the two. This is by design, as
the base GCC API is intended to be shared.
This patch merges the implementations into base_gdb_plugin, which was
introduced earlier for this purpose.
libcc1
* libcp1.cc (libcp1): Change parameters. Update.
(libcp1_set_verbose, libcp1_set_arguments)
(libcp1_set_triplet_regexp, libcp1_set_driver_filename)
(libcp1_set_source_file, libcp1_set_print_callback, fork_exec)
(libcp1_compile, libcp1_destroy, vtable): Remove.
(libcp1::add_callbacks): New method, extracted from
libcp1_compile.
(gcc_c_fe_context): Update.
* libcc1.cc (libcc1): Change parameters. Update.
(libcc1_set_verbose, libcc1_set_arguments)
(libcc1_set_triplet_regexp, libcc1_set_driver_filename)
(libcc1_set_source_file, libcc1_set_print_callback, fork_exec)
(libcc1_compile, libcc1_destroy, vtable): Remove.
(libcc1::add_callbacks): New method, extracted from
libcc1_compile.
(gcc_c_fe_context): Update.
* gdbctx.hh (base_gdb_plugin): Change parameters.
(~base_gdb_plugin): New.
<add_callbacks>: New virtual method.
<plugin_name, fe_version, compiler_name, vtable>: New members.
(get_self, do_set_verbose, do_set_arguments)
(do_set_triplet_regexp, do_set_driver_filename)
(do_set_arguments_v0, do_set_source_file, do_set_print_callback)
(fork_exec, do_compile, do_compile_v0, do_destroy): New methods.
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The C++ plugin defaults to version 0 of the base compiler API.
However, this is a mistake -- version 1 was introduced before the C++
API was even implemented. This switches the default to version 1.
Note that the compiler-side plugin will accept this version, so it
should remain compatible.
libcc1
* libcp1.cc (vtable): Use GCC_FE_VERSION_1.
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The two GDB plugins in libcc1 share a fair amount of code. This was
done by copy-and-paste, though in reality the underlying code is
nearly identical.
libcc1
* libcp1.cc (struct libcp1): Derive from base_gdb_plugin. Remove
shared code.
(class libcp1_connection): Remove.
(rpc): Remove.
(libcp1_set_verbose, libcp1_compile): Update.
(cp_call_binding_oracle, cp_call_symbol_address)
(cp_call_enter_scope, cp_call_leave_scope): Update.
* libcc1.cc (struct libcc1): Derive from base_gdb_plugin. Remove
shared code.
(class libcc1_connection): Remove.
(c_call_binding_oracle, c_call_symbol_address): Update.
(rpc): Remove.
(libcc1_set_verbose, libcc1_compile): Update.
* gdbctx.hh: New file.
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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 one spot in libcc1 to use static_assert rather than the
old-style array declaration.
libcc1
* libcp1plugin.cc: Use static assert.
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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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Both libcc1 plugins have nearly identical copies of code to find the
underlying compiler. This seemed wasteful to me, so this patch
unifies the copies.
Two minor API changes were needed.
First, the old code used a back-link from the compiler object to the
plugin object to check the 'verbose' setting. This patch adds a
'verbose' setting directly to the compiler object instead.
Second, the 'find' method implicitly knew which compiler base name
("gcc" or "g++") to use. This patch makes this a parameter that is
passed in by the plugin.
libcc1
* libcp1.cc (compiler, compiler_triplet_regexp)
(compiler_driver_filename): Remove.
(libcp1::libcp1): Update.
(make_regexp, libcp1::compiler::find)
(libcp1::compiler_triplet_regexp::find)
(libcp1::compiler_driver_filename::find): Remove.
(libcp1_set_verbose, libcp1_set_arguments)
(libcp1_set_triplet_regexp, libcp1_set_driver_filename): Update.
* libcc1.cc (compiler, compiler_triplet_regexp)
(compiler_driver_filename): Remove.
(libcc1::libcc1): Update.
(make_regexp, libcc1::compiler::find)
(libcc1::compiler_triplet_regexp::find)
(libcc1::compiler_driver_filename::find): Remove.
(libcc1_set_verbose, libcc1_set_arguments)
(libcc1_set_triplet_regexp, libcc1_set_driver_filename): Update.
* compiler.cc: New file.
* compiler.hh: New file.
* Makefile.in: Rebuild.
* Makefile.am (libcc1_la_SOURCES): Add compiler.hh, compiler.cc.
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This changes libcc1 to use unique_ptr in a few more places, removing
some manual memory management.
libcc1
* libcp1.cc (struct libcp1) <connection, compilerp>: Use
unique_ptr.
(~libcp1): Remove.
(libcp1_compile, libcp1_set_triplet_regexp)
(libcp1_set_driver_filename): Update.
* libcc1.cc (struct libcc1) <connection, compilerp>: Use
unique_ptr.
(~libcc1): Remove.
(libcc1_set_triplet_regexp, libcc1_set_driver_filename)
(libcc1_compile): Update.
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This changes libcc1 to use the 'deleter' template in a few more
places. The template and basic specializations are moved to a new
header, then some unmarshall functions are changed to use this code.
This change avoids the need to repeat cleanup code in the
unmarshallers.
libcc1
* rpc.hh (deleter): Move template and some specializations to
deleter.hh.
(argument_wrapper<const T *>): Use cc1_plugin::unique_ptr.
* marshall.cc (cc1_plugin::unmarshall): Use
cc1_plugin::unique_ptr.
* marshall-cp.hh (deleter): New specializations.
(unmarshall): Use cc1_plugin::unique_ptr.
* deleter.hh: New file.
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This adds deleter objects for various kinds of protocol pointers to
libcc1. Existing specializations of argument_wrapper are then
replaced with a single specialization that handles all pointer types
via the appropriate deleter. The result here is a bit nicer because
the argument_wrapper boilerplate code is completely shared, leaving
just the memory-management detail to the particular specializations.
libcc1
* rpc.hh (struct deleter): New template class and
specializations.
(argument_wrapper): Remove specializations. Add specialization
for any pointer type.
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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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This changes libcc1 to use variadic templates for the "rpc" functions.
This simplifies the code and removes some possibility for mistakes.
libcc1
* libcp1.cc (rpc): Use variadic template. Remove overloads.
* libcc1.cc (rpc): Use variadic template. Remove overloads.
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This changes libcc1 to use variadic templates for the "call"
functions. The primary benefit is that this simplifies the code.
libcc1
* rpc.hh (call): Use variadic template. Remove overloads.
* marshall.hh (marshall): Add base overload. Use variadic
template.
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Change libcc1 to use "= delete" for the copy constructor and
assignment operator, rather than the old approach of private methods
that are nowhere defined.
libcc1
* rpc.hh (argument_wrapper): Use delete for copy constructor.
* connection.hh (class connection): Use delete for copy
constructor.
* callbacks.hh (class callbacks): Use delete for copy constructor.
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This changes libcc1 to inline a trivial method and to use the default
constructor.
libcc1
* connection.hh (~connection): Use default.
(print): Inline.
* connection.cc (cc1_plugin::connection::~connection)
(cc1_plugin::connection::print): Remove definitions.
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This changes libcc1 to use "override" where appropriate.
libcc1
* libcp1.cc (class compiler_triplet_regexp)
(class compiler_driver_filename, class libcp1_connection): Use
"override".
* libcc1.cc (class compiler_triplet_regexp)
(class compiler_driver_filename, class libcc1_connection): Use
"override".
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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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Check if host supports multi-byte NOPs before enabling CET on host.
gcc/
PR bootstrap/99703
* configure: Regenerated.
libbacktrace/
PR bootstrap/99703
* configure: Regenerated.
libcc1/
PR bootstrap/99703
* configure: Regenerated.
libcpp/
PR bootstrap/99703
* configure: Regenerated.
libdecnumber/
PR bootstrap/99703
* configure: Regenerated.
lto-plugin/
PR bootstrap/99703
* configure: Regenerated.
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ChangeLog:
* libtool.m4: Match gnu* along other GNU systems.
* libgo/config/libtool.m4: Match gnu* along other GNU systems.
* libgo/configure: Re-generate.
libffi/
* configure: Re-generate.
libgomp/
* configure: Re-generate.
gcc/
* configure: Re-generate.
libatomic/
* configure: Re-generate.
libbacktrace/
* configure: Re-generate.
libcc1/
* configure: Re-generate.
libgfortran/
* configure: Re-generate.
libgomp/
* configure: Re-generate.
libhsail-rt/
* configure: Re-generate.
libitm/
* configure: Re-generate.
libobjc/
* configure: Re-generate.
liboffloadmic/
* configure: Re-generate.
* plugin/configure: Re-generate.
libphobos/
* configure: Re-generate.
libquadmath/
* configure: Re-generate.
libsanitizer/
* configure: Re-generate.
libssp/
* configure: Re-generate.
libstdc++-v3/
* configure: Re-generate.
libvtv/
* configure: Re-generate.
lto-plugin/
* configure: Re-generate.
zlib/
* configure: Re-generate.
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Either we should write test x$darwin_dynamic_lookup = xyes
or we should make sure the variable is always defined to non-empty string.
2020-12-18 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/98380
* configure.ac: Set darwin_dynamic_lookup=no instead to empty
string.
* configure: Regenerated.
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