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Instead of mapping elementary functions for all types to a single
type, use the intrinsics available for the various base types.
A new Ada.Numerics.Aux_Generic_Float is introduced to explicitly
dispatch, based on the 'Digits attribute of the base type, to the
various newly-added Aux_Short_Float, Aux_Float, Aux_Long_Float, or
Aux_Long_Long_Float.
The Aux_Short_Float unit is implemented in terms of the Aux_Float one,
and the others rely on the elementary functions from the C Math
library for float, double and long double types, respectively.
An Aux_Linker_Options is added, and units that import intrinsics from
libm/libc depend on it to provide the "-lm" linker option if needed.
The option is provided by default, but there is an alternate version
that doesn't, that is used for vxworks targets.
The Aux variant that used to open-code Sin and Cos for the ancient
ppc-darwin, because of insufficient precision in libc, is dropped,
along with the alternate dummy body for Aux. Both are presumed no
longer needed.
The original Ada.Numerics.Aux is retained, for backward compatibility,
as a wrapper for a newly-added Aux_Compat, that renames
Aux_Long_Float, except on x86, in which an alternate version renames
Aux_Long_Long_Float.
Generic_Elementary_Functions and Generic_Complex_Types are adjusted to
use Aux_Generic_Float, avoiding the type conversions and inefficiencies of
computing results in higher precision than requested.
Generic_Complex_Elementary_Functions is adjusted to enable an
additional instance of the sincos optimization, even without -gnatn.
for gcc/ada/ChangeLog
* Makefile.rtl (GNATRTL_NONTASKING_OBJS): Compile Ada.Numerics
child units Aux_Generic_Float, Aux_Long_Long_Float, Aux_Long_Float,
Aux_Float, Aux_Short_Float, Aux_Compat, and Aux_Linker_Options.
(X86_TARGET_PAIRS): Drop dummy body for Aux. Use x86 version
of Aux_Compat.
(X86_64_TARGET_PAIRS): Likewise.
(LIBGNAT_TARGET_PAIRS): On VxWorks, select the nolibm
variants. Drop the darwin version of Aux. Drop the redundant
libc-x86 numaux variants on x86* kfreebsd variants.
* libgnat/a-nagefl.ads: New Aux_Generic_Float.
* libgnat/a-naliop.ads: New Aux_Linker_Options.
* libgnat/a-naliop__nolibm.ads: New.
* libgnat/a-nallfl.ads: New Aux_Long_Long_Float.
* libgnat/a-nalofl.ads: New Aux_Long_Float.
* libgnat/a-nuaufl.ads: New Aux_Float.
* libgnat/a-nashfl.ads: New Aux_Short_Float.
* libgnat/a-ngcefu.adb (Exp): Factor out the Im (X) passed to
Sin and Cos in the Complex variant too.
* libgnat/a-ngcoty.adb: Switch to Aux_Generic_Float. Drop
redundant conversions.
* libgnat/a-ngelfu.adb: Likewise.
* libgnat/a-nuauco.ads: New Aux_Compat.
* libgnat/a-nuauco__x86.ads: New.
* libgnat/a-numaux.ads: Replace with Compat wrapper.
* libgnat/a-numaux__darwin.adb: Remove.
* libgnat/a-numaux__darwin.ads: Remove.
* libgnat/a-numaux__dummy.adb: Remove.
* libgnat/a-numaux__libc-x86.ads: Remove.
* libgnat/a-numaux__vxworks.ads: Remove.
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gcc/ada/
* libgnat/a-numeri.ads: Remove the greek letter.
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gcc/ada/
* gcc-interface/Make-lang.in: Update dependencies on system.ads,
add gnatbind switch -t to avoid timestamp inconsistencies during
build.
* libgnat/system.ads: Move...
* gcc-interface/system.ads: ... here.
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gcc/ada/
PR ada/95953
* libgnat/a-suenco.adb (Convert): Fix handling of third UTF-8
byte.
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gcc/ada/
* libgnat/system-aix.ads: Likewise.
* libgnat/system-darwin-arm.ads: Likewise.
* libgnat/system-darwin-ppc.ads: Likewise.
* libgnat/system-darwin-x86.ads: Likewise.
* libgnat/system-djgpp.ads: Likewise.
* libgnat/system-dragonfly-x86_64.ads: Likewise.
* libgnat/system-freebsd.ads: Likewise.
* libgnat/system-hpux-ia64.ads: Likewise.
* libgnat/system-hpux.ads: Likewise.
* libgnat/system-linux-alpha.ads: Likewise.
* libgnat/system-linux-arm.ads: Likewise.
* libgnat/system-linux-hppa.ads: Likewise.
* libgnat/system-linux-ia64.ads: Likewise.
* libgnat/system-linux-m68k.ads: Likewise.
* libgnat/system-linux-mips.ads: Likewise.
* libgnat/system-linux-ppc.ads: Likewise.
* libgnat/system-linux-riscv.ads: Likewise.
* libgnat/system-linux-s390.ads: Likewise.
* libgnat/system-linux-sh4.ads: Likewise.
* libgnat/system-linux-sparc.ads: Likewise.
* libgnat/system-linux-x86.ads: Likewise.
* libgnat/system-lynxos178-ppc.ads: Likewise.
* libgnat/system-lynxos178-x86.ads: Likewise.
* libgnat/system-mingw.ads: Likewise.
* libgnat/system-qnx-aarch64.ads: Likewise.
* libgnat/system-rtems.ads: Likewise.
* libgnat/system-solaris-sparc.ads: Likewise.
* libgnat/system-solaris-x86.ads: Likewise.
* libgnat/system-vxworks-arm-rtp-smp.ads: Likewise.
* libgnat/system-vxworks-arm-rtp.ads: Likewise.
* libgnat/system-vxworks-arm.ads: Likewise.
* libgnat/system-vxworks-e500-kernel.ads: Likewise.
* libgnat/system-vxworks-e500-rtp-smp.ads: Likewise.
* libgnat/system-vxworks-e500-rtp.ads: Likewise.
* libgnat/system-vxworks-e500-vthread.ads: Likewise.
* libgnat/system-vxworks-ppc-kernel.ads: Likewise.
* libgnat/system-vxworks-ppc-ravenscar.ads: Likewise.
* libgnat/system-vxworks-ppc-rtp-smp.ads: Likewise.
* libgnat/system-vxworks-ppc-rtp.ads: Likewise.
* libgnat/system-vxworks-ppc-vthread.ads: Likewise.
* libgnat/system-vxworks-ppc.ads: Likewise.
* libgnat/system-vxworks-x86-kernel.ads: Likewise.
* libgnat/system-vxworks-x86-rtp-smp.ads: Likewise.
* libgnat/system-vxworks-x86-rtp.ads: Likewise.
* libgnat/system-vxworks-x86-vthread.ads: Likewise.
* libgnat/system-vxworks-x86.ads: Likewise.
* libgnat/system-vxworks7-aarch64-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-aarch64.ads: Likewise.
* libgnat/system-vxworks7-arm-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-arm.ads: Likewise.
* libgnat/system-vxworks7-e500-kernel.ads: Likewise.
* libgnat/system-vxworks7-e500-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-e500-rtp.ads: Likewise.
* libgnat/system-vxworks7-ppc-kernel.ads: Likewise.
* libgnat/system-vxworks7-ppc-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-ppc-rtp.ads: Likewise.
* libgnat/system-vxworks7-ppc64-kernel.ads: Likewise.
* libgnat/system-vxworks7-ppc64-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-x86-kernel.ads: Likewise.
* libgnat/system-vxworks7-x86-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-x86-rtp.ads: Likewise.
* libgnat/system-vxworks7-x86_64-kernel.ads: Likewise.
* libgnat/system-vxworks7-x86_64-rtp-smp.ads: Likewise.
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gcc/ada/
* Makefile.rtl, gnat1drv.adb, expander.adb
doc/gnat_rm/implementation_defined_pragmas.rst,
doc/gnat_ugn/building_executable_programs_with_gnat.rst,
doc/gnat_ugn/the_gnat_compilation_model.rst, exp_ch5.ads,
exp_ch5.adb, exp_ch6.adb, exp_ch7.adb, exp_util.adb,
exp_util.ads, libgnarl/s-osinte__aix.adb,
libgnarl/s-osinte__android.adb, libgnarl/s-osinte__darwin.adb,
libgnarl/s-osinte__gnu.adb, libgnarl/s-osinte__hpux-dce.adb,
libgnarl/s-osinte__lynxos178.adb, libgnarl/s-osinte__posix.adb,
libgnarl/s-osinte__qnx.adb, libgnarl/s-osinte__rtems.adb,
libgnarl/s-osinte__solaris.adb, libgnarl/s-osinte__vxworks.adb,
libgnarl/s-osinte__x32.adb, libgnarl/s-solita.adb,
libgnarl/s-taasde.adb, libgnarl/s-taprob.adb,
libgnarl/s-taprop__dummy.adb, libgnarl/s-taprop__hpux-dce.adb,
libgnarl/s-taprop__linux.adb, libgnarl/s-taprop__mingw.adb,
libgnarl/s-taprop__posix.adb, libgnarl/s-taprop__qnx.adb,
libgnarl/s-taprop__solaris.adb, libgnarl/s-taprop__vxworks.adb,
libgnarl/s-tarest.adb, libgnarl/s-tasini.adb,
libgnarl/s-taskin.adb, libgnarl/s-taspri__dummy.ads,
libgnarl/s-taspri__hpux-dce.ads, libgnarl/s-taspri__lynxos.ads,
libgnarl/s-taspri__mingw.ads,
libgnarl/s-taspri__posix-noaltstack.ads,
libgnarl/s-taspri__posix.ads, libgnarl/s-taspri__solaris.ads,
libgnarl/s-taspri__vxworks.ads, libgnarl/s-tassta.adb,
libgnarl/s-tasuti.adb, libgnarl/s-tposen.adb,
libgnat/a-except.adb, libgnat/a-except.ads,
libgnat/s-dwalin.adb, libgnat/s-dwalin.ads,
libgnat/s-mastop.ads, libgnat/s-soflin.adb,
libgnat/s-stalib.adb, libgnat/s-stalib.ads,
libgnat/s-stchop.adb, libgnat/s-stchop.ads,
libgnat/s-stchop__limit.ads, libgnat/s-traceb.ads,
libgnat/s-traent.adb, libgnat/s-traent.ads,
libgnat/s-trasym.adb, libgnat/s-trasym.ads,
libgnat/s-trasym__dwarf.adb, opt.adb, opt.ads, par-prag.adb,
sem_prag.adb, snames.ads-tmpl, switch-c.adb, targparm.adb,
targparm.ads, usage.adb: Remove support for -gnatP and pragma
Polling.
* gnat_ugn.texi: Regenerate.
* libgnat/a-excpol.adb, libgnat/a-excpol__abort.adb: Removed.
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gcc/ada/
* sem_ch10.adb (Install_With_Clause): Fix implementation of Ada
2005 AI-262 by taking into account generic packages. Minor
reformatting.
* libgnat/a-cbhase.ads, libgnat/a-cbhase.adb: Remove use clause
on runtime unit spec.
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gcc/ada/
* libgnat/a-cfinve.adb (Int): Use subtype of Long_Long_Integer.
* libgnat/a-cofove.adb (Int): Likewise.
* libgnat/a-cgcaso.adb (T): Likewise.
* libgnat/a-cogeso.adb (T): Likewise.
* libgnat/g-debpoo.ads (Byte_Count): Use Long_Long_Integer'Size.
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gcc/ada/
* exp_aggr.adb (Expand_N_Aggregate): A record aggregate requires
a non-private type.
* sem_ch13.adb (Valid_Assign_Indexed): New subprogram local to
Resolve_Aspect_Aggregate, to handle the case when the
corresponding name appearing in the aspect specification for an
indexed aggregate is an overloaded operation.
* libgnat/a-convec.ads, libgnat/a-convec.adb,
libgnat/a-coinve.ads, libgnat/a-coinve.adb,
libgnat/a-cobove.ads, libgnat/a-cobove.adb,
libgnat/a-cdlili.ads, libgnat/a-cdlili.adb,
libgnat/a-cbdlli.ads, libgnat/a-cbdlli.adb,
libgnat/a-cohama.ads, libgnat/a-cihama.ads,
libgnat/a-cbhama.ads, libgnat/a-cborma.ads,
libgnat/a-ciorma.ads, libgnat/a-coorma.ads,
libgnat/a-cihase.ads, libgnat/a-cohase.ads,
libgnat/a-cbhase.ads, libgnat/a-cborse.ads,
libgnat/a-ciorse.ads, libgnat/a-coorse.ads: Add Ada_2020 aspect
Aggregate to types declared in standard containers, as well as
new subprograms where required.
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gcc/ada/
* libgnat/g-arrspl.ads, libgnat/g-arrspl.adb (Create,
First_Cursor, Advance, Has_Element): New.
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gcc/ada/
* Makefile.rtl: Add target pair for interfac.ads.
* libgnat/interfac.ads: Add a comment.
* libgnat/interfac__2020.ads: New, used for bootstrap purposes.
* sem_util.adb (Is_Static_Function): Always return False for pre
Ada 2020 to e.g. ignore the Static aspect in Interfaces for
Ada < 2020.
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Enable the sincos optimization within callers of these
(single-argument) elementary functions.
for gcc/ada/ChangeLog
* libgnat/a-ngelfu.ads (Sin, Cos): Make the single-argument
functions inline.
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Importing them as intrinsics enables GCC to treat them as builtins
whose behavior is known by GCC.
Specifically, if they aren't intrinsics, calls to Sin and Cos won't be
combined into sincos.
We still need to make Sin and Cos wrappers inline in user-exposed
interfaces to get users the benefit of this transformation.
That is forthcoming in a separate patch.
for gcc/ada/ChangeLog
* libgnat/a-numaux.ads: Make all imports Intrinsic.
* libgnat/a-numaux__darwin.ads: Likewise.
* libgnat/a-numaux__libc-x86.ads: Likewise.
* libgnat/a-numaux__vxworks.ads: Likewise.
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gcc/ada/
* opt.ads (Ada_Version_Runtime): Set to Ada_2020.
* sem_ch3.adb (Analyze_Subtype_Declaration): Propagate
Is_Independent flag to subtypes.
* libgnarl/s-taprop__linux.adb: Adapt to Ada 2020 warning.
* libgnat/a-nbnbin.adb, libgnat/a-nbnbin.ads,
libgnat/a-nbnbin__gmp.adb, libgnat/a-nbnbre.adb,
libgnat/a-nbnbre.ads, libgnat/a-stobbu.adb,
libgnat/a-stobbu.ads, libgnat/a-stobfi.adb,
libgnat/a-stobfi.ads, libgnat/a-stoubu.adb,
libgnat/a-stoubu.ads, libgnat/a-stoufi.adb,
libgnat/a-stoufi.ads, libgnat/a-stoufo.adb,
libgnat/a-stoufo.ads, libgnat/a-stouut.adb,
libgnat/a-stouut.ads, libgnat/a-strsto.ads,
libgnat/a-ststbo.adb, libgnat/a-ststbo.ads,
libgnat/a-ststun.adb, libgnat/a-ststun.ads,
libgnat/a-stteou.ads, libgnat/s-aoinar.ads,
libgnat/s-aomoar.ads, libgnat/s-atopex.ads,
libgnat/s-putaim.adb, libgnat/s-putaim.ads,
libgnat/s-putima.adb, libgnat/s-putima.ads: Remove pragma
Ada_2020, now redundant.
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gcc/ada/
* libgnat/a-strunb.adb (Sum, Mul, Saturated_Sum, Saturated_Mul):
New routines. Use them when resulting string size more that
length of the strings in parameters.
(Unbounded_Slice): Use "- 1" instead of "+ 1" in opposite side
of condition to avoid overflow.
* libgnat/a-strunb__shared.adb (Sum, Mul): New routines.
(Allocate): New routine with 2 parameters. Use routine above
when resulting string size more that length of the strings in
parameters.
(Aligned_Max_Length): Do not try to align to more than Natural'Last.
(Unbounded_Slice): Use "- 1" instead of "+ 1" in opposite side
of condition to avoid overflow.
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gcc/ada/
* libgnat/s-rannum.ads, libgnat/s-rannum.adb: Add Put_Image.
This will be inherited by the language-defined packages
Ada.Numerics.Discrete_Random and Ada.Numerics.Float_Random.
* libgnat/a-convec.ads, libgnat/a-convec.adb: Add Put_Image.
* libgnat/s-putima.ads: Add pragma Preelaborate, so this can be
imported into containers packages.
* libgnat/s-putima.adb: Move Digit to private part; otherwise
reference to Base is illegal in Preelaborate generic.
* exp_put_image.adb (Build_Record_Put_Image_Procedure): Use the
base type.
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gcc/ada/
* Makefile.rtl: replace a-numaux__x86.ads by
a-numaux__libc-x86.ads and a-numaux__x86.adb by
a-numaux__dummy.adb.
* libgnat/a-numaux__x86.ads, libgnat/a-numaux__x86.adb: Removed.
* libgnat/a-numaux__dummy.adb: New.
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gcc/ada/
* libgnat/s-thread__ae653.adb (taskVarAdd): Defunct, so remove.
(Current_ATSD): Make it a TLS variable.
(OK): Move to package scope.
(System.Storage_Elements): Import and Use.
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gcc/ada/
* scng.adb (Scan): Detect wide characters not in NFKC.
* libgnat/a-chahan.adb, libgnat/a-chahan.ads,
libgnat/a-wichha.adb, libgnat/a-wichha.ads,
libgnat/a-wichun.adb, libgnat/a-wichun.ads,
libgnat/a-zchhan.adb, libgnat/a-zchhan.ads,
libgnat/a-zchuni.adb, libgnat/a-zchuni.ads (Is_NFKC): New.
* libgnat/s-utf_32.ads, libgnat/s-utf_32.adb (Is_UTF_32_NFKC):
New.
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gcc/ada/
* libgnat/s-rident.ads (Restriction_Id): Add
No_Tasks_Unassigned_To_CPU.
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gcc/ada/
* libgnat/s-rident.ads (No_Dynamic_CPU_Assignment): New
restriction. Add it to all relevant profiles.
* sem_ch13.adb (Attribute_CPU): Check No_Dynamic_CPU_Assignment
restriction.
(Attribute_CPU, Attribute_Dispatching_Domain,
Attribute_Interrupt_Priority): Remove error checks -- these are
checked in the parser.
* sem_prag.adb (Pragma_CPU): Check No_Dynamic_CPU_Assignment
restriction. We've got a little violation of DRY here.
* sem.ads, sem_ch3.ads: Minor comment fix.
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gcc/ada/
* libgnat/s-ststop.ads: Fix typo.
* libgnat/s-ststop.adb (Read, Write): Fix block number
computation to avoid overflows in case of large strings.
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gcc/ada/
* libgnat/s-genbig.adb ("**"): Remove capacity limit check.
Improve code by using an extended return.
(Normalize): Perform capacity limit check here instead which is
the centralized place where (potentially large) big integers are
allocated.
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gcc/ada/
* libgnat/s-stposu.adb (Allocate_Any_Controlled): Fix logic in
lock/unlock.
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gcc/ada/
* libgnat/a-cbdlli.adb, libgnat/a-cbdlli.ads,
libgnat/a-cbhama.adb, libgnat/a-cbhama.ads,
libgnat/a-cbhase.adb, libgnat/a-cbhase.ads,
libgnat/a-cbmutr.adb, libgnat/a-cbmutr.ads,
libgnat/a-cborma.adb, libgnat/a-cborma.ads,
libgnat/a-cborse.adb, libgnat/a-cborse.ads,
libgnat/a-cbprqu.adb, libgnat/a-cbprqu.ads,
libgnat/a-cbsyqu.adb, libgnat/a-cbsyqu.ads,
libgnat/a-cdlili.adb, libgnat/a-cdlili.ads,
libgnat/a-cidlli.adb, libgnat/a-cidlli.ads,
libgnat/a-cihama.adb, libgnat/a-cihama.ads,
libgnat/a-cihase.adb, libgnat/a-cihase.ads,
libgnat/a-cimutr.adb, libgnat/a-cimutr.ads,
libgnat/a-ciorma.adb, libgnat/a-ciorma.ads,
libgnat/a-ciormu.adb, libgnat/a-ciormu.ads,
libgnat/a-ciorse.adb, libgnat/a-ciorse.ads,
libgnat/a-cohama.adb, libgnat/a-cohama.ads,
libgnat/a-cohase.adb, libgnat/a-cohase.ads,
libgnat/a-coinve.adb, libgnat/a-coinve.ads,
libgnat/a-comutr.adb, libgnat/a-comutr.ads,
libgnat/a-convec.adb, libgnat/a-convec.ads,
libgnat/a-coorma.adb, libgnat/a-coorma.ads,
libgnat/a-coormu.adb, libgnat/a-coormu.ads,
libgnat/a-coorse.adb, libgnat/a-coorse.ads: Add SPARK_Mode =>
Off.
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gcc/ada/
* doc/gnat_rm/representation_clauses_and_pragmas.rst: Fix typo.
* gnat_rm.texi: Regenerate.
* libgnat/s-secsta.ads (Memory_Alignment): Likewise.
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gcc/ada/
* libgnat/g-socket.adb (Wait_On_Socket): Fix potentially
uninitialized variable.
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gcc/ada/
* sem_res.adb (Resolve_Expression_With_Actions): Check the rules
of AI12-0368, and mark the declare expression as static or known
at compile time as appropriate.
* sem_ch4.adb: Minor reformatting.
* libgnat/a-stoufo.ads, libgnat/a-stoufo.adb: Allow up to 9
replacement parameters. I'm planning to use this in the test
case for this ticket.
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gcc/ada/
* libgnat/g-socket.adb (Wait_On_Socket): Fix memory leaks and
file descriptor leaks. A memory leak was created each time the
routine was called without a selector (Selector = Null). Also,
in case of exception in the routine a memory leak and descriptor
leak was created as the created file selector was not closed.
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gcc/ada/
* libgnat/g-socket.adb: Minor style fixes.
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gcc/ada/
* libgnat/a-nbnbin.ads, libgnat/a-nbnbre.ads: Add global
contract (Global => null) to all functions.
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gcc/ada/
* Makefile.rtl (GNATRTL_NONTASKING_OBJS): Add s-shabig.o.
* libgnat/s-shabig.ads: New file to share definitions.
* libgnat/s-genbig.ads, libgnat/s-genbig.adb: Reorganized to
make it more generic and flexible in terms of memory allocation
and data structure returned.
(To_String): Moved to System.Generic_Bignums to allow sharing
this code.
(Big_And, Big_Or, Big_Shift_Left, Big_Shift_Right): New.
* libgnat/s-bignum.adb, libgnat/s-bignum.ads: Adapt to new
System.Generic_Bignums spec.
* libgnat/a-nbnbin.adb: Likewise.
(To_String): Moved to System.Generic_Bignums to allow sharing
this code.
* libgnat/a-nbnbre.adb (Normalize): Fix handling of Num = 0
leading to an exception.
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gcc/ada/
* libgnat/i-cexten.ads (long_long, unsigned_long_long): Now
subtypes of Interfaces.C types.
* libgnat/a-calcon.ads, libgnat/a-calcon.adb
(To_Unix_Nano_Time): Use Interfaces.C.long_long instead of
Interfaces.C.Extensions.long_long.
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gcc/ada/
* sem_prag.adb (Process_Inline): Check for duplicate
pragma+aspect Inline. Minor code cleanup.
(Check_Duplicate_Pragma): Add warning for duplicate
pragma [No_]Inline under -gnatwr.
* sinfo.ads, sinfo.adb (Next_Rep_Item): Allow N_Null_Statement
which can appear when a pragma is rewritten.
* sem_util.ads, sem_util.adb, bindo-writers.adb: Fix bad
copy/paste now flagged.
* libgnat/s-mmap.ads: Remove redundant pragma Inline.
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gcc/ada/
* exp_ch4.adb (Tagged_Membership): Generate a call to
CW_Membership instead of using Build_CW_Membership.
(Expand_N_In): Remove wrong handling of null access types and
corresponding comment.
* exp_intr.adb (Expand_Dispatching_Constructor_Call): Generate a
call to CW_Membership instead of using Build_CW_Membership.
* rtsfind.ads: Add CW_Membership.
* exp_atag.ads, exp_atag.adb (Build_CW_Membership): Removed.
* einfo.ads: Fix typo.
* libgnat/a-tags.ads, libgnat/a-tags.adb (CW_Membership): Moved
back to spec.
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gcc/ada/
* libgnat/g-catiio.adb (Value, Parse_ISO_8601): Unsuppress
checks, and don't rely on 'Valid.
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gcc/ada/
* libgnat/g-catiio.ads: Document newly supported format. Add
ISO_Time constant, for convenience.
* libgnat/g-catiio.adb (Image_Helper): New helper function to do
all the formatting work, called by the two exported Image
functions. Add support for "%:::z" here. Add a Time_Zone
parameter used by the "%:::z" processing. This parameter is not
used for the actual time zone computations; local time is always
used for that, for ease of implementation reasons. It would
make sense to use Append throughout this function, but that's a
cleanup for another day.
(Image): Modify these to pass the local time zone, or the
specified time zone, as appropriate.
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gcc/ada/
* libgnat/g-catiio.ads: Change the regular expression that
documents the allowed format to match what ISO-8601 allows.
* libgnat/g-catiio.adb (Scan_Subsecond): Rewrite so it doesn't
assume the subsecond comes last.
(Parse_ISO_8601): Parse an optional subsecond, followed by an
optional time zone, rather than making these alternatives to
each other.
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gcc/ada/
* libgnat/g-catiio.adb (Parse_ISO_8601): Minor cleanups:
Give some objects clearer names.
Make some objects more local to where they are used.
Remove some validity checks that can't fail, because some of
the variables tested have been moved so they're not visible here.
Anyway, Wrong_Syntax is about errors in the input, not data
validity.
Use Time_Zone_Seen instead of Local_Sign = ' ' to determine
that a time zone indication was seen.
We don't need to distinguish two different kinds of
syntax error (End_Of_Source_Reached and Wrong_Syntax),
so use Wrong_Syntax always.
Remove comment, "Certain scanning scenarios may handle
this exception on their own."; there are no such scenarios.
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gcc/ada/
* libgnat/g-catiio.ads, libgnat/g-catiio.adb (Image): New
function. It might seem like the local-time Image should be
implemented in terms of the Time_Zone Image, but that would be
far harder to implement, so we do it the other way around.
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gcc/ada/
* libgnat/g-sechas.ads, libgnat/g-sechas.adb: Refactor to use
Stream_Element_Array as the internal buffer type.
* libgnat/g-shshco.adb: Adjust to use Stream_Element_Offset
instead of Integer as the index in the internal state buffer.
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gcc/ada/
* libgnat/g-catiio.adb (Parse_ISO_8601): New name for
Parse_ISO_8861_UTC. 8601 is the correct ISO standard number.
Also, "UTC" was confusing. All Time values are represented in
UTC, but the ISO 8601 date strings include a time zone.
If a time zone was specified, call
Ada.Calendar.Formatting.Time_Of instead of
GNAT.Calendar.Time_Of, because the latter adjusts to the current
time zone, whereas we want to use (just) the time zone specified
in the ISO string. This allows us to pass Time_Zone instead to
Time_Of, instead of adjusting by Local_Disp by hand.
If no time zone was specified, call GNAT.Calendar.Time_Of as
before.
Use expanded names to clarify which Time_Of is being called.
Remove redundant comment, and move nonredundant part of the
commment to the spec.
(Value): Minor: use "not in" instead of "or else".
* libgnat/g-catiio.ads: Comment moved here. Correct the ISO
standard number.
* libgnat/g-calend.adb: Add ??? comments.
* libgnat/a-calend.ads, libgnat/a-calend.adb: Update obsolete
comments regarding the representation of type Time. Move the
information about the epoch (year 2150) to the spec, and avoid
uttering "2150" more than once.
* libgnat/a-catizo.ads (Time_Offset): Add comment.
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gcc/ada/
* libgnat/a-nbnbin.ads, libgnat/a-nbnbin.adb,
libgnat/a-nbnbin__gmp.adb: Use more Valid_Big_Integer.
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2020-06-19 Bob Duff <duff@adacore.com>
gcc/ada/
* libgnat/a-ststbo.adb (Write): Replace pragma Assert with "if
... raise Constraint_Error".
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2020-06-19 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/a-nbnbin.adb, libgnat/a-nbnbin.ads,
libgnat/a-nbnbin__gmp.adb, libgnat/a-nbnbre.adb,
libgnat/a-nbnbre.ads: Update spec according to AI12-0366.
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2020-06-18 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch4.adb (Get_Size_For_Range): Only make sure to return a
size lower than that of the original type if possible.
* libgnat/s-rannum.adb (Random_Discrete): Back out optimization
added for 32-bit types.
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2020-06-18 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* Makefile.rtl: Add s-statxd.o.
* bindgen.adb (Gen_Adainit): Add support for XDR_Stream.
* bindusg.adb (Display): Add mention of -xdr.
* gnatbind.adb: Process -xdr switch.
* init.c (__gl_xdr_stream): New.
* opt.ads (XDR_Stream): New.
* libgnat/s-stratt__xdr.adb: Rename to...
* libgnat/s-statxd.adb: this and adjust.
* libgnat/s-statxd.ads: New.
* libgnat/s-stratt.ads, libgnat/s-stratt.adb: Choose between
default and XDR implementation at runtime.
* libgnat/s-ststop.ads: Update comments.
* doc/gnat_rm/implementation_advice.rst: Update doc on XDR
streaming.
* gnat_rm.texi: Regenerate.
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2020-06-18 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnarl/s-osinte__linux.ads, libgnat/g-io.adb,
libgnat/g-socket.adb, libgnat/g-socthi.adb,
libgnat/g-socthi.ads, libgnat/g-socthi__vxworks.adb,
libgnat/g-socthi__vxworks.ads, libgnat/g-sothco.ads,
libgnat/s-io.adb, libgnat/a-except.adb: Fix function profile
mismatch with imported C functions.
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2020-06-18 Bob Duff <duff@adacore.com>
gcc/ada/
* libgnat/a-strsto.ads, libgnat/a-ststbo.adb,
libgnat/a-ststbo.ads, libgnat/a-ststun.adb,
libgnat/a-ststun.ads: New files, containing packages
Ada.Streams.Storage, Ada.Streams.Storage.Bounded, and
Ada.Streams.Storage.Unbounded.
* impunit.adb, Makefile.rtl: Add new file names.
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2020-06-17 Bob Duff <duff@adacore.com>
gcc/ada/
* libgnat/a-cbdlli.adb, libgnat/a-cbhama.adb,
libgnat/a-cbhase.adb, libgnat/a-cbmutr.adb,
libgnat/a-cborma.adb, libgnat/a-cborse.adb,
libgnat/a-cdlili.adb, libgnat/a-chtgbk.adb,
libgnat/a-chtgke.adb, libgnat/a-cidlli.adb,
libgnat/a-cihama.adb, libgnat/a-cihase.adb,
libgnat/a-cimutr.adb, libgnat/a-ciorma.adb,
libgnat/a-ciorse.adb, libgnat/a-cobove.adb,
libgnat/a-cohama.adb, libgnat/a-cohase.adb,
libgnat/a-coinve.adb, libgnat/a-comutr.adb,
libgnat/a-convec.adb, libgnat/a-coorma.adb,
libgnat/a-coorse.adb, libgnat/a-crbtgk.adb,
libgnat/a-crbtgo.adb, libgnat/a-rbtgso.adb: Move tampering
checks earlier.
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