+2007-12-13 Samuel Tardieu <sam@rfc1149.net>
+
+ PR ada/34360
+ * Makefile.in: Change two occurrences of mlib-tgt.adb by correct name
+ mlib-tgt-specific.adb.
+
+2007-12-13 Bob Duff <duff@adacore.com>
+
+ * trans.c (Attribute_to_gnu): Check for violations of the
+ No_Implicit_Dynamic_Code restriction. This checking used to be done in
+ the front end, but is moved here so we can make it more accurate.
+
+2007-12-13 Pascal Obry <obry@adacore.com>
+
+ * adaint.c (__gnat_pthread_setaffinity_np): New routine. A dummy
+ version is provided for older GNU/Linux distribution not
+ supporting thread affinity sets.
+
+ * s-osinte-linux.ads (SC_NPROCESSORS_ONLN): New constant for sysconf
+ call.
+ (bit_field): New packed boolean type used by cpu_set_t.
+ (cpu_set_t): New type corresponding to the C type with
+ the same name. Note that on the Ada side we use a bit
+ field array for the affinity mask. There is not need
+ for the C macro for setting individual bit.
+ (pthread_setaffinity_np): New imported routine.
+
+ * s-taprop-linux.adb (Enter_Task): Check that the CPU affinity mask is
+ no null.
+ (Create_Task): Set the processor affinity mask if information
+ is present.
+
+ * s-tasinf-linux.ads, s-tasinf-linux.adb: New files.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * s-osinte-lynxos-3.ads, s-osinte-hpux.ads, s-osinte-solaris-posix.ads,
+ s-osinte-freebsd.ads, s-osinte-lynxos.ads, s-osinte-tru64.ads,
+ s-osinte-mingw.ads, s-osinte-aix.ads, s-osinte-hpux-dce.ads,
+ s-osinte-irix.ads, s-osinte-solaris.ads, s-intman-vms.adb,
+ s-osinte-vms.ads, s-osinte-vxworks6.ads, s-osinte-vxworks.ads,
+ s-auxdec.ads, s-auxdec-vms_64.ads, s-osinte-darwin.ads,
+ s-taprop-vms.adb, s-interr-sigaction.adb, s-osinte-linux-hppa.ads,
+ i-vxwork-x86.ads, s-tpopde-vms.ads: Add missing pragma Convention C
+ for subprogram pointers.
+
+ * g-ctrl_c.adb: New file.
+
+ * g-ctrl_c.ads (Install_Handler): New body.
+
+ * freeze.adb (Freeze_Subprogram): Use new flag Has_Pragma_Inline_Always
+ instead of obsolete function Is_Always_Inlined.
+ (Freeze_Entity): check for tagged type in imported C subprogram
+ (Freeze_Entity): check for 8-bit boolean in imported C subprogram
+ (Freeze_Entity): check for convention Ada subprogram pointer in
+ imported C subprogram.
+ (Freeze_Fixed_Point_Type): In the case of a base type where the low
+ bound would be chopped off and go from negative to zero, force
+ Loval_Excl_EP to be the same as Loval_Incl_EP (the included lower
+ bound) so that the size computation for the base type will take
+ negative values into account.
+
+2007-12-13 Eric Botcazou <ebotcazou@adacore.com>
+ Bob Duff <duff@adacore.com>
+ Tristan Gingold <gingold@adacore.com>
+
+ * system-linux-ia64.ads, system-freebsd-x86.ads, system-lynxos-ppc.ads,
+ system-lynxos-x86.ads, system-linux-x86_64.ads, system-tru64.ads,
+ system-aix.ads, system-vxworks-sparcv9.ads, system-solaris-x86.ads,
+ system-irix-o32.ads, system-irix-n32.ads, system-hpux.ads,
+ system-vxworks-m68k.ads, system-linux-x86.ads, system-vxworks-mips.ads,
+ system-solaris-sparc.ads, system-solaris-sparcv9.ads, system-vms.ads,
+ system-mingw.ads, system-vms-zcx.ads, system-vxworks-ppc.ads,
+ system-vxworks-arm.ads, system-darwin-x86.ads, system.ads,
+ system-vms_64.ads, system-darwin-ppc.ads, system-vxworks-x86.ads,
+ system-linux-ppc.ads, system-linux-hppa.ads, system-hpux-ia64.ads,
+ system-vms-ia64.ads (Stack_Check_Limits): New target parameter.
+ (Always_Compatible_Rep): New flag to control trampolines globally.
+ (Dynamic_Trampolines_Used): New flag for implementing the
+ No_Implicit_Dynamic_Code restriction more correctly (not yet used,
+ and not yet set correctly for some targets).
+
+ * s-taprop-vxworks.adb: Use stack limit method of stack checking.
+ Simply indirectly call s-stchop when a task is created.
+
+ * ali.ads:
+ New flag added: Stack_Check_Switch_Set which is set when '-fstack-check'
+ appears as an argument (entries A) in an ALI file.
+
+ * fe.h (Stack_Check_Limits): Declare new target parameter.
+ (Check_Implicit_Dynamic_Code_Allowed): New procedure.
+
+ * init.c: Declare __gnat_set_stack_limit_hook for VxWorks kernel RTS.
+ This variable is declared in C to be sure not subject to elaboration
+ code.
+ (__gnat_map_signal, VxWorks): In kernel mode, map SIGILL to
+ Storage_Error.
+
+ * targparm.ads, targparm.adb (Stack_Check_Limits): New parameter.
+ (Always_Compatible_Rep, Dynamic_Trampolines_Used): New parameters.
+
+ * s-stchop.ads: Add comments.
+
+ * s-stchop-vxworks.adb: Package almost fully rewritten to use stack
+ limit method of stack checking.
+
+ * s-stchop-limit.ads: New file.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * sem_ch5.adb, s-taskin.adb, a-ciorma.adb, a-coorma.adb, a-cohama.adb,
+ a-cihama.adb, g-awk.adb,
+ s-inmaop-posix.adb: Update handling of assigned value/unreferenced
+ warnings
+
+ * exp_smem.adb: Update handling of assigned value/unreferenced warnings
+
+ * sem.adb: Update handling of assigned value/unreferenced warnings
+
+ * a-exexpr-gcc.adb: Add a pragma warnings off for boolean return
+
+ * lib-xref.ads: Improve documentation for k xref type
+
+ * lib-xref.adb:
+ Update handling of assigned value/unreferenced warnings
+ (Generate_Reference): Warning for reference to entity for which a
+ pragma Unreferenced has been given should be unconditional.
+ If the entity is a discriminal, mark the original
+ discriminant as referenced.
+
+ * sem_warn.ads, sem_warn.adb
+ (Check_One_Unit): Test Renamed_In_Spec to control giving warning for
+ no entities referenced in package
+ (Check_One_Unit): Don't give message about no entities referenced in
+ a package if a pragma Unreferenced has appeared.
+ Handle new warning flag -gnatw.a/-gnatw.A
+ Update handling of assigned value/unreferenced warnings
+
+ * atree.h: Add flags up to Flag247
+ (Flag231): New macro.
+
+2007-12-13 Jose Ruiz <ruiz@adacore.com>
+
+ * adaint.h: (__gnat_plist_init): Not defined for RTX.
+
+ * initialize.c (__gnat_initialize): Do not call __gnat_plist_init for
+ RTX systems.
+
+ * Makefile.in: Add new files s-tasinf-linux.ads and s-tasinf-linux.adb.
+ (LIBGNAT_TARGET_PAIRS, MISCLIB, THREADSLIB,
+ EXTRA_GNATRTL_NONTASKING_OBJS, EXTRA_GNATRTL_TASKING_OBJS,
+ GNATLIB_SHARED for RTX run time): Use the versions required by RTX.
+
+ * mingw32.h:
+ Do not define GNAT_UNICODE_SUPPORT for RTX since it is not supported.
+
+ * sysdep.c (winflush_function for RTX): Procedure that does nothing
+ since we only have problems with Windows 95/98, which are not
+ supported by RTX.
+ (__gnat_ttyname): Return the empty string on Nucleus, just as
+ done on vxworks.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * a-textio.adb, a-textio.ads:
+ Extensive changes to private part for wide character encoding
+
+ * a-witeio.adb, a-witeio.ads, a-ztexio.ads, a-ztexio.adb
+ (Look_Ahead): Fix mishandling of encoded sequences
+ Move declaration of Wch_Con to private part (should not be visible)
+
+ * ali.adb (Scan_ALI): Set default encoding method to brackets instead of
+ UTF-8. Probably this is never used, but if it is, brackets is
+ clearly correct.
+
+ * bindgen.adb (Get_WC_Encoding): New procedure to properly handle
+ setting wide character encoding for no main program case and when
+ encoding is specified using -W?
+ Initialize stack limit of environment task if stack limit method of
+ stack checking is enabled.
+ (Gen_Adainit_Ada): Use Get_WC_Encoding to output encoding method
+ (Gen_Adainit_C): Use Get_WC_Encoding to output encoding method
+ (Get_Main_Unit_Name): New function.
+ (Gen_Adainit_Ada): Add call to main program for .NET when needed.
+ (Gen_Output_File): Set Bind_Main_Program to True for .NET
+
+ * bindusg.adb: Add line for -Wx switch
+
+ * s-wchcon.adb, s-wchcon.ads: (Is_Start_Of_Encoding): New function
+ Add comments
+ Add new useful constant WC_Longest_Sequences
+
+ * switch-b.adb: Clean up handling of -Wx switch
+ For -gnatWx, set Wide_Character_Encoding_Method_Specified
+
+ * switch-c.adb: -gnatg activates warning on assertion errors
+ For -gnatWx, set Wide_Character_Encoding_Method_Specified
+
+ * s-wchcon.adb: (Is_Start_Of_Encoding): New function
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+ Ed Schonberg <schonberg@adacore.com>
+
+ * a-ngcoty.adb: New pragma Fast_Math
+
+ * opt.adb: New pragma Fast_Math
+
+ * par-prag.adb:
+ Add Implemented_By_Entry to the list of pragmas which do not require any
+ special processing.
+ (Favor_Top_Level): New pragma.
+ New pragma Fast_Math
+
+ * exp_attr.adb: Move Wide_[Wide_]Image routines to Exp_Imgv
+ (Expand_N_Attribute_Reference, Displace_Allocator_Pointer,
+ Expand_Allocator_Expression): Take into account VM_Target
+ (Expand_Attribute, case 'Identity): Handle properly the case where
+ the prefix is a task interface.
+ New pragma Fast_Math
+
+ * par.adb (Next_Token_Is): New function
+ (P_Pragma): Add Skipping parameter
+ (U_Left_Paren): New procedure
+ (U_Right_Paren): New procedure
+ New pragma Fast_Math
+
+ * par-ch10.adb (P_Subunit): Unconditional msg for missing ) after
+ subunit
+ New pragma Fast_Math
+
+ * sem_prag.adb: Add significance value to table Sig_Flag for pragma
+ Implemented_By_Entry.
+ (Analyze_Pragma): Add case for Ada 2005 pragma Implemented_By_Entry.
+ (Set_Inline_Flags): Do not try to link pragma Inline onto chain of rep
+ items, since it can apply to more than one overloadable entity. Set
+ new flag Has_Pragma_Inline_Always for Inline_Always case.
+ (Analyze_Pragma, case Complex_Representation): Improve error message.
+ (Analyze_Pragma, case Assert): When assertions are disabled build the
+ rewritten code with Sloc of expression rather than pragma, so new
+ warning about failing is not deleted.
+ (Analyze_Pragma): Allow pragma Preelaborable_Initialization to apply to
+ protected types and update error message to reflect that. Test whether
+ the protected type is allowed for the pragma (an error is issued if the
+ type has any entries, or components that do not have preelaborable
+ initialization).
+ New pragma Fast_Math
+ (Analyze_Pragma, case No_Return): Handle generic instance
+
+ * snames.h, snames.ads, snames.adb:
+ Add new predefined name for interface primitive _Disp_Requeue.
+ New pragma Fast_Math
+
+ * a-tags.ads, a-tags.adb: New calling sequence for
+ String_To_Wide_[Wide_]String
+ (Secondary_Tag): New subprogram.
+
+ * exp_imgv.ads, exp_imgv.adb: Move Wide_[Wide_]Image routines here
+ from Exp_Attr
+ New calling sequence for String_To_Wide_[Wide_]String
+ (Expand_Image_Attribute): Major rewrite. New calling sequence avoids
+ the use of the secondary stack for image routines.
+
+ * a-except-2005.adb, s-wchstw.ads, s-wchstw.adb, s-wwdenu.adb: New
+ calling sequence for String_To_Wide_[Wide_]String
+
+ * par-ch3.adb (P_Declarative_Items): Recognize use of Overriding in
+ Ada 95 mode
+ (P_Unknown_Discriminant_Part_Opt): Handle missing parens gracefully
+ Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
+
+ * par-ch6.adb (P_Subprogram): Recognize use of Overriding in Ada 95 mode
+ (P_Formal_Part): Use Skipping parameter in P_Pragma call
+ to improve error recovery
+
+ * par-util.adb (Next_Token_Is): New function
+ (Signal_Bad_Attribute): Use new Namet.Is_Bad_Spelling_Of function
+
+ * par-ch2.adb (Skip_Pragma_Semicolon): Do not resynchronize to
+ semicolon if missing
+ (P_Pragma): Implement new Skipping parameter
+ Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
+ Fix location of flag for unrecognized pragma message
+
+ * par-tchk.adb (U_Left_Paren): New procedure
+ (U_Right_Paren): New procedure
+
+2007-12-13 Geert Bosch <bosch@adacore.com>
+
+ * a-tifiio.adb:
+ (Put_Int64): Use Put_Digit to advance Pos. This fixes a case where
+ the second or later Scaled_Divide would omit leading zeroes,
+ resulting in too few digits produced and a Layout_Error as result.
+ (Put): Initialize Pos.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ atree.ads, atree.adb (Flag231..Flag247): New functions
+ (Set_Flag231..Set_Flag247): New procedures
+ (Basic_Set_Convention): Rename Set_Convention to be
+ Basic_Set_Convention
+ (Nkind_In): New functions
+ Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
+
+ * exp_ch6.adb (Expand_Call): Use new flag Has_Pragma_Inline_Always
+ instead
+ of obsolete function Is_Always_Inlined
+ (Register_Predefined_DT_Entry): Initialize slots of the second
+ secondary dispatch table.
+ Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
+ (Expand_N_Function_Call): Remove special provision for stack checking.
+
+ * exp_util.ads, exp_util.adb (Is_Predefined_Dispatching_Operation):
+ Include _Disp_Requeue in the list of predefined operations.
+ (Find_Interface_ADT): Modified to fulfill the new specification.
+ Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
+
+ * par-ch4.adb, nlists.ads, nlists.adb:
+ Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
+
+ * sinfo.ads, sinfo.adb: (Nkind_In): New functions
+ Fix location of flag for unrecognized pragma message
+
+ * sem_ch7.adb: Use Nkind_In
+
+2007-12-13 Vincent Celier <celier@adacore.com>
+
+ * opt.ads:
+ Indicate what flags are used by the Project Manager, gprbuild and
+ gprclean.
+ (Opt.Follow_Links_For_Dirs): New flag
+ (Warn_On_Assertion_Failure): New flag
+ (Wide_Character_Encoding_Method_Specified): New flag
+ (Suppress_All_Inlining): New switch set by -fno-inline
+ (Real_VMS_Target): New flag
+ New pragma Fast_Math
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * back_end.adb: Recognize -fno-inline
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * checks.adb: Fix optimization problem with short-circuited form
+
+2007-12-13 Bob Duff <duff@adacore.com>
+
+ * clean.adb (Usage): Add line for -aP
+ (Check_Version_And_Help): Change Check_Version_And_Help to be generic,
+ with a parameter "procedure Usage", instead of passing a pointer to a
+ procedure. This is to eliminate trampolines (since the Usage procedure
+ is often nested in a main procedure, and it would be inconvenient to
+ unnest it).
+
+ * g-comlin.adb (For_Each_Simple_Switch): Change For_Each_Simple_Switch
+ to be generic, with a parameter "procedure Callback (...)", instead of
+ passing a pointer to a procedure. This is to eliminate trampolines
+ (since the Callback procedure is usually nested).
+
+ * gnatfind.adb, switch.adb, switch.ads, gnatlink.adb, gnatls.adb,
+ gnatname.adb, gnatxref.adb, gnatchop.adb, gprep.adb, gnatbind.adb
+ (Check_Version_And_Help): Change Check_Version_And_Help to be generic.
+
+ * g-pehage.adb (Compute_Edges_And_Vertices, Build_Identical_Key_Sets):
+ Use the generic Heap_Sort_G instead of Heap_Sort_A.
+
+2007-12-13 Hristian Kirtchev <kirtchev@adacore.com>
+
+ * einfo.ads, einfo.adb: Flag 232 is now Implemented_By_Entry.
+ (Implemented_By_Entry, Set_Implemented_By_Entry): New routines.
+ (Write_Entry_Flags): Add an entry for Implemented_By_Entry.
+ (Renamed_In_Spec): New flag
+ (Has_Pragma_Inline_Always): New flag
+ Add missing doc for pragma Obsolescent_Warning
+ Add missing doc for 17 additional unused flags (230-247)
+ (Is_Derived_Type): Remove condition "not Is_Generic_Type".
+ Alphabetize with clauses.
+ Separate Is_Thunk and Has_Thunks flags
+ (Write_Entity_Flags): Add forgotten entry for Has_Thunks
+ (Related_Interface): Renamed to Related_Type.
+ (Has_Thunks/Set_Has_Thunks): Subprograms of new attribute.
+ (Set_Is_Flag): Restrict the assertion.
+
+2007-12-13 Vincent Celier <celier@adacore.com>
+
+ * errout.adb (Output_Source_Line): Do not keep a trailing space after
+ the source line number if the source line is empty.
+
+2007-12-13 Geert Bosch <bosch@adacore.com>
+
+ * eval_fat.adb (Decompose_Int): Handle argument of zero.
+ (Compose): Remove special casing of zero.
+ (Exponent): Likewise.
+ (Fraction): Likewise.
+ (Machine): Likewise.
+ (Decompose): Update comment.
+
+2007-12-13 Ed Schonberg <schonberg@adacore.com>
+
+ * exp_aggr.adb (Build_Record_Aggr_Code): If there is an aggregate for a
+ limited ancestor part, initialize controllers of enclosing record
+ before expanding ancestor aggregate.
+ (Gen_Assign): If a component of the aggregate is box-initialized, add
+ code to call Initialize if the component is controlled, and explicit
+ assignment of null if the component is an access type.
+
+ Handle properly aggregates for limited types that appear in object
+ declarations when the aggregate contains controlled values such as
+ protected types.
+ When expanding limited aggregates into individual components, do not
+ call Adjust on controlled components that are limited.
+
+2007-12-13 Ed Schonberg <schonberg@adacore.com>
+
+ * expander.adb: Take into account N_Subprogram_Renaming_Declaration
+
+2007-12-13 Hristian Kirtchev <kirtchev@adacore.com>
+
+ * exp_ch3.adb (Predefined_Primitive_Bodies): Generate the body of
+ predefined primitive _Disp_Requeue.
+ (Make_Predefined_Primitive_Specs): Create the spec for predefined
+ primitive _Disp_Requeue.
+ (Make_Predefined_Primitive_Specs/Predefined_Primitive_Bodies): Set the
+ type of formal Renamed_Eq to Entity_Id (instead of Node_Id).
+ (Make_Predefined_Primitive_Specs): Spec of "=" needed if the parent is
+ an interface type. In case of limited interfaces we now declare all the
+ predefined primitives associated with synchronized interfaces as
+ abstract.
+ (Predef_Spec_Or_Body): For interface types generate abstract subprogram
+ declarations.
+ (Predefined_Primitive_Bodies): Add body of "=" if the parent of the
+ tagged type is an interface type and there is no user-defined equality
+ function.
+ Add also bodies of predefined primitives associated with synchronized
+ interfaces.
+ (Freeze_Record_Type): Do not build bodies of predefined primitives of
+ interface types because they are now defined abstract.
+ Add missing documentation.
+ (Expand_Record_Controller): Update occurrence of Related_Interface
+ to Related_Type.
+ (Build_Offset_To_Top_Functions): Do nothing in case of VM.
+ (Expand_N_Object_Declaration): Take into account VM_Target when handling
+ class wide interface object declaration.
+ (Expand_Previous_Access_Type): Do not create a duplicate master entity
+ if the access type already has one.
+ (Expand_N_Object_Declaration): Defend against attempt to validity check
+ generic types. Noticed for -gnatVcf specified with previous errors.
+
+2007-12-13 Arnaud Charlet <charlet@adacore.com>
+
+ * exp_ch4.adb (Expand_N_Attribute_Reference, Displace_Allocator_Pointer,
+ Expand_Allocator_Expression): Take into account VM_Target
+
+ * exp_ch5.adb (Expand_N_Extended_Return_Statement): Do not use
+ secondary stack when VM_Target /= No_VM
+
+2007-12-13 Javier Miranda <miranda@adacore.com>
+ Ed Schonberg <schonberg@adacore.com>
+
+ * exp_ch7.adb (Expand_N_Package_Body): Replace occurrence of attribute
+ Is_Complation_Unit by Is_Library_Level_Entity in the code
+ that decides if the static dispatch tables need to be built.
+ (Wrap_Transient_Declaration): Do not generate a finalization call if
+ this is a renaming declaration and the renamed object is a component
+ of a controlled type.
+
+2007-12-13 Gary Dismukes <dismukes@adacore.com>
+
+ * exp_ch8.ads, exp_ch8.adb (Expand_N_Subprogram_Renaming_Declaration):
+ In the case where the renamed subprogram is a dereference, call
+ Force_Evaluation on the prefix.
+
+2007-12-13 Hristian Kirtchev <kirtchev@adacore.com>
+ Ed Schonberg <schonberg@adacore.com>
+
+ * exp_ch9.adb (Expand_N_Asynchronous_Select,
+ Expand_N_Conditional_Entry_Call, Expand_N_Timed_Entry_Call): Code and
+ comment reformatting.
+ (Set_Privals): Inherit aliased flag from formal. From code reading.
+ (Build_Simple_Entry_Call): Out parameters of an access type are passed
+ by copy and initialized from the actual. This includes entry parameters.
+ (Expand_N_Requeue_Statement): Reimplement in order to handle both Ada 95
+ and Ada 2005 models of requeue.
+ (Null_Statements): Still connsider do-end block null if it contains
+ Unreferenced and Warnings pragmas.
+ (Expand_N_Accept_Statement): Do not optimize away null do end if
+ dispatching policy is other than defaulted.
+ (Expand_N_Timed_Entry_Call): When the triggering statement is a
+ dispatching call, manually analyze the delay statement.
+ (Find_Parameter_Type): Move subprogram to Sem_Util.
+
+2007-12-13 Hristian Kirtchev <kirtchev@adacore.com>
+ Javier Miranda <miranda@adacore.com>
+
+ * exp_disp.ads, exp_disp.adb (Default_Prim_Op_Position): Primitive
+ _Disp_Requeue occupies dispatch table slot number 15. Move
+ _Disp_Timed_Select to slot 16.
+ (Make_Disp_Requeue_Body, Make_Disp_Requeue_Spec): New routines which
+ generate the spec and body of _Disp_Reqeueue.
+ (Make_DT): Build and initialize the second dispatch table.
+ Handle initialization of RC_Offset when the parent
+ is a private type with variable size components.
+ (Make_Secondary_DT): Complete documentation. Add support to
+ initialize the second dispatch table.
+ (Make_Tags): Generate the tag of the second dispatch table.
+ (Register_Primitive): Add support to register primitives in the
+ second dispatch table.
+
+2007-12-13 Pascal Obry <obry@adacore.com>
+
+ * expect.c (__gnat_kill) [WIN32]: Implement the SIGINT signal on
+ Windows. This signal is used by gnatmake to kill child processes for
+ example.
+
+2007-12-13 Javier Miranda <miranda@adacore.com>
+
+ * exp_intr.adb (Expand_Dispatching_Constructor_Call): Add missing
+ support for generic dispatching constructor calls in which we need to
+ locate the tag of a secondary dispatch table associated with an
+ interface type to properly dispatch the call.
+ (Expand_N_Attribute_Reference [case Address],
+ Expand_Dispatching_Constructor_Call, Expand_Unc_Deallocation): Fix
+ handling of VM targets.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+ Ed Schonberg <schonberg@adacore.com>
+
+ * exp_prag.adb (Expand_Pragma_Assert): Recognize new warning flag for
+ assert fail
+
+ * ug_words: Add entries for -gnatw.a -gnatw.A
+
+ * sem_res.adb (Set_String_Literal_Subtype): If the context of the
+ literal is a subtype with non-static constraints, use the base type of
+ the context as the base of the string subtype, to prevent type
+ mismatches in gigi.
+ (Resolve_Actuals): If the actual is an entity name, generate a
+ reference before the actual is resolved and expanded, to prevent
+ spurious warnings on formals of enclosing protected operations.
+ (Analyze_Overloaded_Selected_Component): If type of prefix if
+ class-wide, use visible components of base type.
+ (Resolve_Selected_Component): Ditto.
+ (Resolve_Short_Circuit): Detect case of pragma Assert argument
+ evaluating to False, and issue warning message.
+
+ * usage.adb: Add lines for -gnatw.a and -gnatw.A
+
+2007-12-13 Emmanuel Briot <briot@adacore.com>
+
+ * g-calend.ads (No_Time): New constant, to represent an uninitialized
+ time value
+
+ * g-catiio.ads, g-catiio.adb (Value): Added support for more date
+ formats.
+ (Month_Name_To_Number): New subprogram
+
+ * g-dirope.adb (Get_Current_Dir): On windows, normalize the drive
+ letter to upper-case.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+ Ed Schonberg <schonberg@adacore.com>
+
+ * gnat1drv.adb (Gnat1drv): Properly set new flag Opt.Real_VMS_Target
+
+ * layout.adb (Resolve_Attribute, case 'Access): If designated type of
+ context is a limited view, use non-limited view when available. If the
+ non-limited view is an unconstrained array, this enforces consistency
+ requirements in 3.10.2 (27).
+ (Layout_Type): For an access type whose designated type is a limited
+ view, examine its declaration to determine if it is an unconstrained
+ array, and size the access type accordingly.
+ (Layout_Type): Do not force 32-bits for convention c subprogram
+ pointers in -gnatdm mode, only if real vms target.
+
+ * sem_attr.adb (Analyze_Access_Attribute): Use new flag
+ Has_Pragma_Inline_Always instead of obsolete function Is_Always_Inlined
+ (Analyze_Access_Attribute,Attribute_Address): Remove checks for
+ violations of the No_Implicit_Dynamic_Code restriction.
+ (Resolve_Attribute, case 'Access): If designated type of context is a
+ limited view, use non-limited view when available. If the non-limited
+ view is an unconstrained array, this enforces consistency requirements
+ in 3.10.2 (27).
+ (Layout_Type): For an access type whose designated type is a limited
+ view, examine its declaration to determine if it is an unconstrained
+ array, and size the access type accordingly.
+
+2007-12-13 Vincent Celier <celier@adacore.com>
+
+ * gnatcmd.adb (GNATCmd): Do not issue -d= switch to gnatmetric when
+ object directory of main project does not exist.
+ On VMS, correctly set then environment variable for the source
+ directories.
+
+2007-12-13 Vasiliy Fofanov <fofanov@adacore.com>
+
+ * g-regist.ads, g-regist.adb (Set_Value): new parameter Expand; when
+ set to True this procedure will create the value of type REG_EXPAND_SZ.
+ It was only possible to create REG_SZ values before.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * g-spchge.ads, g-spchge.adb, g-u3spch.adb, g-u3spch.ads,
+ g-wispch.adb, g-wispch.ads, g-zspche.adb, g-zspche.ads,
+ namet-sp.adb, namet-sp.ads: New files.
+
+ * g-speche.adb: Use generic routine in g-spchge
+
+ * s-wchcnv.ads, s-wchcnv.adb:
+ Minor code cleanup (make formal type consistent with spec)
+
+ * namet.adb: Update comments.
+
+ * par-endh.adb (Evaluate_End_Entry): Use new
+ Namet.Sp.Is_Bad_Spelling_Of function
+
+ * par-load.adb (Load): Use new Namet.Sp.Is_Bad_Spelling_Of function
+
+ * sem_aggr.adb (Resolve_Record_Aggregate): If a component of an
+ ancestor is an access type initialized with a box, set its type
+ explicitly, for use in subsequent expansion.
+ (Check_Misspelled_Component): Use new Namet.Sp.Is_Bad_Spelling_Of
+ function
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * g-spipat.adb (Break): Fix accessibility error (vsn taking not null
+ access Vstring)
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * inline.adb (Back_End_Cannot_Inline): Use new flag
+ Has_Pragma_Inline_Always instead of obsolete function Is_Always_Inlined
+
+ * sem_ch6.ads, sem_ch6.adb (Analyze_Subprogram_Body): Use new flag
+ Has_Pragma_Inline_Always instead.
+ of obsolete function Is_Always_Inlined
+ (Build_Body_To_Inline): Same change
+ (Cannot_Inline): Same change
+ Do not give warning on exception raise in No_Return function
+
+ * sem_ch13.adb (Analyze_Record_Representation_Clause): If an inherited
+ component has two inconsistent component clauses in the same record
+ representation clause, favor the message that complains about
+ duplication rather than inconsistency.
+ Update comments.
+ (Record_Representation_Clause): Do not warn on missing component
+ clauses for inherited components of a type extension.
+ (Rep_Item_Too_Late): Do not attempt to link pragma into rep chain for
+ an overloadable item if it is a pragma that can apply to multiple
+ overloadable entities (e.g. Inline) because a pragma cannot be on
+ more than one chain at a time.
+ (Validate_Unchecked_Conversion): Add code to warn on unchecked
+ conversion where one of the operands is Ada.Calendar.Time.
+ (Analyze_Attribute_Definition_Clause): Fix typo in error message.
+ For now, ignore Component_Size clause on VM targets, as done for
+ pragma Pack.
+
+2007-12-13 Emmanuel Briot <briot@adacore.com>
+ Vincent Celier <celier@adacore.com>
+
+ * prj.ads, prj.adb (Is_A_Language): Now takes a Name_Id instead of a
+ string
+ (Must_Check_Configuration, Default_Language_Is_Ada): new flags in
+ prj.ads
+ (Hash): Move instantiation of System.HTable.Hash from spec to body
+ (prj-nmsc.adb): Optimize calls to Name_Find when on case sensitive
+ systems, since we do not need to recompute the Name_Id for the canonical
+ file name.
+ (Body_Suffix_Id_Of, Spec_Suffix_Id_Of): new version that takes a name_id
+ as a parameter. This parameter is in fact always "ada" in all calls, and
+ we were doing 160560 extra calls to Name_Find to convert it to Name_Ada
+ while loading a project with 40000 files
+
+ * prj-attr.adb: Fix name of attribute Dependency_Driver
+ Change the kind of indexing for attribute Root
+
+ * prj-dect.adb (Parse_Declarative_Items): Allow redeclarations of
+ variables already declared, in case constructions.
+
+ * prj-env.adb (Initialize): Reset Current_Source_Path_File and
+ Current_Object_Path_File to No_Path.
+
+ * prj-ext.adb (Initialize_Project_Path): In multi language mode, use
+ ADA_PROJECT_PATH if value of GPR_PROJECT_PATH is empty.
+
+ * prj-makr.adb: new parameter Current_Dir
+
+ * prj-nmsc.ads, prj-nmsc.adb (Find_Explicit_Sources): Do not look for
+ Ada sources when language is not Ada.
+ Change Opt.Follow_Links to Opt.Follow_Links_For_Files.
+ (Find_Excluded_Sources, Find_Explicit_Sources): new subprograms
+ (Must_Check_Configuration, Default_Language_Is_Ada): new flags.
+ (Locate_Directory): Always resolve links when computing Canonical_Path
+ (Look_For_Sources): Make sure that Name_Buffer contains the file name
+ in Source_Files before checking for the presence of a directory
+ separator.
+ Optimize calls to Name_Find when on case sensitive systems.
+ (Body_Suffix_Id_Of, Spec_Suffix_Id_Of): new version that takes a name_id
+ as a parameter.
+ (Prj.Nmsc.Check): new parameter Current_Dir
+ (Check_Ada_Naming_Schemes): Restrictions on suffixes are relaxed. They
+ cannot be empty and the spec suffix cannot be the same as the body or
+ separate suffix.
+ (Get_Unit): When a file name can be of several unit kinds (spec, body or
+ subunit), always consider the longest suffix.
+ (Check_Configuration): Do not issue an error if there is no compiler
+ for a language. Just issue a warning and ignore the sources for the
+ language.
+ (Check_Library_Attributes): Only check Library_Dir if Library_Name is
+ not empty.
+ (Check_Naming_Schemes.Maked_Unit): Only output message if high verbosity
+ (Unit_Exceptions): New hash table
+ (Check_Naming_Schemes): Check if a file that could be a unit because of
+ the naming scheme is not in fact a source because there is an exception
+ for the unit.
+ (Look_For_Sources): Put the unit exceptions in hash table
+ Unit_Exceptions
+ (Get_Unit_Exceptions): Give initial value No_Source to local variable
+ Other_Part to avoid exception when code is compiled with validity
+ checking.
+ (Get_Sources_From_File): Check that there is no directory information
+ in the file names.
+ (Look_For_Sources): Check that there is no directory information in the
+ list of file names in Source_Files.
+ (Look_For_Sources): In multi-language mode, do not allow exception file
+ names that are excluded.
+ (Excluded_Sources_Htable): New hash table
+ (Search_Directories.Check_File): New procedure to simplify
+ Search_Directories.
+ (Search_Directories): Do not consider excluded sources
+ (Look_For_Sources): Populate Excluded_Sources_Htable before calling
+ Search_Directories.
+ (Get_Exceptions): Set component Lang_Kind of Source_Data
+ (Get_Unit_Exceptions): Ditto
+ (Search_Directories): Ditto
+
+ * prj-pars.adb: new parameter Current_Dir
+
+ * prj-part.ads, prj-part.adb:
+ Change Opt.Follow_Links to Opt.Follow_Links_For_Files.
+ (Opt.Follow_Links_For_Dirs): New flag
+ (Project_Path_Name_Of): Cache information returned by this routine as
+ Locate_Regular_File is a costly routine. The code to output a log
+ information and the effective call to Locate_Regular_File is now
+ factorized into a routine (code clean-up).
+ (Parse, Parse_Single_Project): new parameter Current_Dir
+ When main project file cannot be found, indicate in the error
+ message the project path that was used to do the search.
+
+ * prj-proc.ads, prj-proc.adb (Opt.Follow_Links_For_Dirs): New flag
+ (Prj.Proc.Process*): new parameter Current_Dir
+
+ * switch-m.adb: Change Opt.Follow_Links to Opt.Follow_Links_For_Files
+
+2007-12-13 Bob Duff <duff@adacore.com>
+
+ * restrict.ads, restrict.adb (Check_Implicit_Dynamic_Code_Allowed): New
+ procedure to be called from the back end to check the
+ No_Implicit_Dynamic_Code restriction.
+
+2007-12-13 Arnaud Charlet <charlet@adacore.com>
+
+ * rtsfind.adb (Check_CRT): Take into account RTE_Available_Call
+ Fixes another case where RTE_Available_Call was ignored instead of being
+ taken into account.
+ (Load_Fail): Ditto.
+
+ * rtsfind.ads: Add new entries.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * g-byorma.adb, g-byorma.ads, g-decstr.adb, g-decstr.ads,
+ g-deutst.ads, g-encstr.adb, g-encstr.ads, g-enutst.ads: New files.
+
+ * scn.adb: Implement BOM recognition
+
+2007-12-13 Thomas Quinot <quinot@adacore.com>
+ Ed Schonberg <schonberg@adacore.com>
+
+ * sem_ch10.adb (Check_Private_Child_Unit): A non-private library level
+ subprogram body that acts as its own spec may not have a non-private
+ WITH clause on a private sibling.
+ (Build_Unit_Name): If the parent unit in the name in a with_clause on a
+ child unit is a renaming, create an implicit with_clause on that
+ parent, and not on the unit it renames, to prevent visibility errors
+ in the current unit.
+
+2007-12-13 Ed Schonberg <schonberg@adacore.com>
+
+ * sem_ch12.adb (Instantiate_Formal_Subprogram): In the subprogram
+ renaming declaration, use the Slocs of the formal parameters from the
+ declaration of the formal subprogram when creating the formal parameter
+ entities in the renaming declaration.
+ (Analyze_Formal_Type_Declaration): Change the placement of the error
+ message concerning illegal known discriminants. It is now posted on the
+ type rather than on the first discriminant. This change ensures early
+ error report.
+ (Freeze_Subprogram_Body): If the generic subprogram is nested within
+ the package body that contains the instance, do not generate an
+ out-of-place freeze node for the enclosing package.
+ (Collect_Previous_Instantiations): Ignore internal instantiations
+ generated for formal packages.
+ (Validate_Derived_Type_Instance): Add a check that when a formal
+ derived type is Known_To_Have_Preelab_Init then the actual type must
+ have preelaborable initialization, and issue an error when this
+ condition is violated.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * s-imenne.adb, s-imenne.ads: New files.
+
+ * s-imgboo.adb, s-imgboo.ads, s-imgcha.adb, s-imgcha.ads, s-imgdec.adb,
+ s-imgdec.ads, s-imgenu.ads, s-imgint.adb, s-imgint.ads, s-imglld.adb,
+ s-imglld.ads, s-imglli.adb, s-imglli.ads, s-imgllu.adb, s-imgllu.ads,
+ s-imgrea.adb, s-imgrea.ads, s-imguns.adb, s-imguns.ads, s-imgwch.adb,
+ s-imgwch.ads: New calling sequence for Image routines to avoid sec
+ stack usage.
+
+2007-12-13 Javier Miranda <miranda@adacore.com>
+ Ed Schonberg <schonberg@adacore.com>
+
+ * sem_ch3.ads, sem_ch3.adb (Check_Abstract_Overriding): Avoid
+ generation of spurious error if parent is an interface type; caused
+ because predefined primitive bodies will be generated later by
+ Freeze_Record_Type.
+ (Process_Subtype): The subtype inherits the Known_To_Have_Preelab_Init
+ flag.
+ (Derive_Subprograms): Handle derivations of predefined primitives
+ after all the user-defined primitives to ensure that they are
+ found in proper order in instantiations.
+ (Add_Interface_Tag_Components, Inherit_Components): Update occurrences
+ of Related_Interface to Related_Type.
+ (Record_Type_Declaration): Minor reordering of calls to decorate the
+ Tag component because the entity must have set its Ekind attribute
+ before setting its Is_Tag attribute.
+ (Analyze_Subtype_Declaration): In the case of subtypes with
+ Private_Kind, inherit Known_To_Have_Preelab_Init from the parent.
+
+2007-12-13 Hristian Kirtchev <kirtchev@adacore.com>
+ Ed Schonberg <schonberg@adacore.com>
+
+ * sem_ch4.adb (Analyze_Selected_Component): Include the requeue
+ statement to the list of contexts where a selected component with a
+ concurrent tagged type prefix should yield a primitive operation.
+ (Find_Primitive_Operation): Handle case of class-wide types.
+ (Analyze_Overloaded_Selected_Component): If type of prefix is
+ class-wide, use visible components of base type.
+ (Resolve_Selected_Component): Ditto.
+ (Try_Primitive_Operation, Collect_Generic_Type_Ops): If the type is a
+ formal of a generic subprogram. find candidate interpretations by
+ scanning the list of generic formal declarations.:
+ (Process_Implicit_Dereference_Prefix): If the prefix has an incomplete
+ type from a limited_with_clause, and the full view is available, use it
+ for subsequent semantic checks.
+ (Check_Misspelled_Selector): Use Namet.Sp.Is_Bad_Spelling_Of function
+ (Find_Primitive_Operation): New function.
+ (Analyze_Overloaded_Selected_Component): insert explicit dereference
+ only once if several interpretations of the prefix yield an access type.
+ (Try_Object_Operation): Code and comment cleanup.
+ (Analyze_Selected_Component): Reorder local variables. Minot comment and
+ code reformatting. When the type of the prefix is tagged concurrent, a
+ correct interpretation might be available in the primitive and
+ class-wide operations of the type.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+ Ed Schonberg <schonberg@adacore.com>
+
+ * sem_ch8.adb (Analyze_Subprogram_Renaming): Special error message for
+ renaming entry as subprogram using rename-as-body if subprogram spec
+ frozen.
+ (Use_One_Type): The clause is legal on an access type whose designated
+ type has a limited view.
+ (Find_Direct_Name): Use Namet.Sp.Is_Bad_Spelling_Of function
+ (Find_Expanded_Name): Use Namet.Sp.Is_Bad_Spelling_Of function
+ (Analyze_Renamed_Primitive_Operation): new procedure to determine the
+ operation denoted by a selected component.
+ (Analyze_Renamed_Entry): Resolve the prefix of the entry name, because
+ it can be an expression, possibly overloaded, that returns a task or
+ an access to one.
+
+2007-12-13 Hristian Kirtchev <kirtchev@adacore.com>
+ Gary Dismukes <dismukes@adacore.com>
+
+ * sem_ch9.adb (Analyze_Requeue): Add a local flag to capture whether a
+ requeue statement is dispatching. Do not emit an error when the name is
+ not an entry and the context is a dispatching select. Add code to
+ perform subtype conformance between the formals of the current entry
+ and those of the target interface primitive.
+ (Analyze_Asynchronous_Select, Analyze_Conditional_Entry_Call, Analyze_
+ Timed_Entry_Call): Analyze the triggering statement as the first step of
+ the processing. If this is a dispatching select, postpone the analysis
+ of all select statements until the Expander transforms the select. This
+ approach avoids generating duplicate identifiers after the Expander has
+ replicated some of the select statements. In case the Expander is
+ disabled, perform regular analysis.
+ (Check_Triggering_Statement): New routine.
+ (Analyze_Requeue): Exclude any interpretations that are not entries when
+ checking overloaded names in a requeue. Also test type conformance for
+ matching interpretations rather than requiring subtype conformance at
+ that point to conform with the RM's resolution rule for requeues.
+
+2007-12-13 Ed Schonberg <schonberg@adacore.com>
+
+ * sem_disp.adb (Check_Dispatching_Call): If an actual in a call to an
+ inherited operation is a defaulted tag-indeterminate call, and there is
+ a statically tagged actual, use the static tag as a controlling actual
+ for the defaulted actual.
+
+2007-12-13 Geert Bosch <bosch@adacore.com>
+
+ * sem_eval.adb (Eval_Real_Literal): N_Constant_Declaration is a static
+ context, so do not call Check_Non_Static_Context.
+
+2007-12-13 Hristian Kirtchev <kirtchev@adacore.com>
+
+ * sem_type.adb (Function_Interp_Has_Abstract_Op): Add guard to check
+ whether formal E is an entity which may have parameters.
+
+2007-12-13 Bob Duff <duff@adacore.com>
+ Javier Miranda <miranda@adacore.com>
+ Robert Dewar <dewar@adacore.com>
+
+ * sem_util.ads, sem_util.adb (Is_Concurrent_Interface): New routine.
+ (Set_Convention): New procedure to set the Convention flag, and in
+ addition make sure the Favor_Top_Level flag is kept in sync (all
+ foreign-language conventions require Favor_Top_Level = True).
+ (Collect_Abstract_Interfaces): Update occurrences of Related_Interface
+ to Related_Type.
+ (Collect_Interfaces_Info): Minor update to handle the two secondary
+ dispatch tables. Update occurrence of Related_Interface to Related_Type.
+ (Generate_Parent_Ref): Add parameter to specify entity to check
+ (Is_Preelaborable_Expression): Allow the name of a discriminant to
+ initialize a component of a type with preelaborable initialization.
+ This includes the case of a discriminal used in such a context.
+ (Is_Dependent_Component_Of_Mutable_Object): Take into account the
+ latest Ada 2005 rules about renaming and 'Access of
+ discriminant-dependent components.
+ (Check_Nested_Access): Add handling when there are no enclosing
+ subprograms (e.g. case of a package body).
+ (Find_Parameter_Type): Factor routine from several other compiler files.
+ Remove routine from Find_Overridden_Synchronized_Primitive.
+
+2007-12-13 Thomas Quinot <quinot@adacore.com>
+
+ * sinput.adb (Get_Source_File_Index): Add assertion to guard against
+ an invalid access to an uninitialized slot in the
+ Source_File_Index_Table.
+
+2007-12-13 Thomas Quinot <quinot@adacore.com>
+
+ * sinput-l.adb (Load_File): Disable style checks when preprocessing.
+
+2007-12-13 Bob Duff <duff@adacore.com>
+
+ * s-soflin.ads: Apply new pragma Favor_Top_Level to all
+ access-to-subprogram types in this package.
+
+2007-12-13 Olivier Hainque <hainque@adacore.com>
+
+ * s-stausa.ads (Stack_Analyzer): Remove First_Is_Topmost, redundant
+ with Stack_Grows_Down in System.Parameters. Rename Array_Address into
+ Stack_Overlay_Address and document that we are using an internal
+ abstraction.
+ (Byte_Size, Unsigned_32_Size): Remove, now useless.
+ (Pattern_Type, Bytes_Per_Pattern): New subtype and constant, to be used
+ consistently throughout the various implementation pieces.
+
+ * s-stausa.adb (Stack_Slots): New type, abstraction for the stack
+ overlay we are using to fill the stack area with patterns.
+ (Top_Slot_Index_In, Bottom_Slot_Index_In): Operations on Stack_Slots.
+ (Push_Index_Step_For, Pop_Index_Step_For): Likewise.
+ (Fill_Stack, Compute_Result): Use the Stack_Slots abstraction.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * s-stoele.adb ("mod"): mod negative value raises Constraint_Error
+
+2007-12-13 Arnaud Charlet <charlet@adacore.com>
+
+ * s-tassta.adb:
+ (Create_Task): Take into account tasks created by foreign threads.
+ Code clean up: use constants instead of hard coded values.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * styleg.adb (Check_Comment): More liberal rules for comment placement
+
+2007-12-13 Olivier Hainque <hainque@adacore.com>
+
+ * tb-alvms.c (struct tb_entry_t, __gnat_backtrace): Revert back to use
+ of Procedure Value instead of Frame Pointer as the invocation
+ identifier associated with the instruction pointer in each traceback
+ entry.
+
+ * g-trasym-vms-alpha.adb (Traceback_Entry, PV_For, FP_For,
+ TB_Entry_For): Revert back to use of Procedure Value instead of Frame
+ Pointer as the invocation identifier passed to tbk$symbolize.
+
+ * s-traent-vms.ads, s-traent-vms.adb
+ (Traceback_Entry, PV_For, FP_For, TB_Entry_For): Revert back to use of
+ Procedure Value instead of Frame Pointer as the invocation identifier
+ passed to tbk$symbolize.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * tbuild.ads, tbuild.adb:
+ Fix location of flag for unrecognized pragma message
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * treepr.ads, treepr.adb: (pl): implement use of positive value
+ shorthands
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * xeinfo.adb: Remove warnings
+ * xnmake.adb: Remove warnings
+ * xsinfo.adb: Remove warnings
+ * xtreeprs.adb: Remove warnings
+ * xsnames.adb: Remove warnings
+
+ * a-ngcoar.adb: Fix typo.
+ * s-interr.adb: Minor reformatting
+ * env.c: Minor reformatting.
+ * g-bytswa.adb: Minor reformatting.
+ * g-rannum.ads: Minor documentation improvements
+ * s-tasinf-mingw.adb: Minor header fix
+ * a-clrefi.adb: Minor reformatting
+ * g-sttsne.ads: Minor documentation improvement
+ * g-sttsne-locking.ads: Minor documentation improvement
+ * g-soliop-solaris.ads: Minor documentation improvement
+ * g-soliop-mingw.ads: Minor documentation improvement
+ * g-soliop.ads: Minor documentation improvement
+ * exp_aggr.ads: Minor reformatting
+ * debug.adb: Add documentation for the gprbuild debug flags
+ * exp_ch2.adb: Use Nkind_In to simplify code throughout
+ * exp_pakd.adb: Minor reformatting
+
+ * g-altive.ads, g-alleve.adb: Remove assertions.
+ Add comment about minor differences between targets regarding
+ floating-point operations.
+
+ * g-thread.adb: Remove pragma unreferenced.
+ * lib.ads: Minor reformatting
+ * par-ch9.adb: Minor reformatting of error messages
+ * sem_case.adb: Minor reformatting
+ * s-fileio.adb: Minor reformattinng
+ * s-vmexta.ads: Minor typo
+ * vxaddr2line.adb:
+ Take into account 'Success' value as per new GNAT warning.
+
+2007-12-13 Vincent Celier <celier@adacore.com>
+
+ * a-direct.adb (Create_Path): Always take '/' as a directory separator,
+ even on Windows
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+ Bob Duff <duff@adacore.com>
+
+ * gnat_ugn.texi: Dcoument new rules for style check comment alignment
+ Document that suffixes may be terminations of each others
+ Add doc for -gnatw.a and -gnatw.A
+ Document gnatbind -Wx switch
+ Document BOM recognition
+ Document pragma Implemented_By_Entry.
+ Document new units.
+
+ * gnat_rm.texi: (Favor_Top_Level): Document new pragma.
+ Add doc for pragma Unreferenced suppressing no entities referenced msg
+ Add documentation of GNAT.Directory_Operations.Iteration
+ Add documentation of GNAT.Random_Numbers
+ Add documentation for pragma Shared.
+ Correct documentation for Bit_Order
+ Add documentation for the Pool_Address attribute.
+ Fix and improve documentation of pragma machine_attribute.
+ New pragma Fast_Math
+ Document BOM recognition
+
+ * vms_data.ads: Add entries for -gnatw.a -gnatw.A
+ Add /Wide_Character_Encoding for binder
+ Add qualifier for the new gnatpp option --no-separate-loop-then
+
+2007-12-13 Matthew Heaney <heaney@adacore.com>
+
+ * a-cohase.ads, a-cihama.ads, a-cihase.ads, a-cohama.ads: Document
+ which generic formal operations are called for each operation.
+
+2007-12-13 Olivier Hainque <hainque@adacore.com>
+
+ * tb-gcc.c (uw_data_t, trace_callback): Only define if not GCC-SJLJ eh.
+ (__gnat_backtrace): Early return 0 if using GCC-SJLJ eh.
+
+2007-12-13 Emmanuel Briot <briot@adacore.com>
+
+ * s-os_lib.ads, s-os_lib.adb (Normalize_Pathname): Do not compute
+ Reference_Dir unless we actually need it.
+
+2007-12-13 Vasiliy Fofanov <fofanov@adacore.com>
+ Tristan Gingold <gingold@adacore.com>
+
+ * g-socthi-vms.ads (Fd_Set_Access): make it 32-bit.
+
+ * s-osprim-vms.adb,
+ a-calend-vms.adb: Remove pragma warning off and add pragma
+ unreferenced.
+
+2007-12-13 Robert Dewar <dewar@adacore.com>
+
+ * impunit.adb: Add entries for missing units
+
+ * Makefile.rtl: Add new run-time units.
+
+ * Make-lang.in: Update dependencies.
+
+2007-12-13 Bob Duff <duff@adacore.com>
+
+ * itypes.ads, itypes.adb (Create_Itype): For access-to-subprogram
+ types, set Can_Use_Internal_Rep appropriately, based on
+ Always_Compatible_Rep_On_Target.
+
+2007-12-13 Gary Dismukes <dismukes@adacore.com>
+ Arnaud Charlet <charlet@adacore.com>
+
+ * make.adb (Scan_Make_Arg): Add test for -aamp_target switch, passing
+ it to the front end and setting the aamp_target environment variable
+ to the switch's argument to ensure that gnaampbind and gnaamplink will
+ take the specified library into account.
+ (Make): Only set Check_Object_Consistency to False for JVM, not for CIL
+ target, since the CIL compiler supports an "object" file (.il files).
+
+2007-12-13 Vincent Celier <celier@adacore.com>
+
+ * symbols-processing-vms-ia64.adb (Process.Skip_Half): New procedure
+ (Process.H): Remove variable. Replace Read_Half (H) with Skip_Half.
+
+2007-12-13 Geert Bosch <bosch@adacore.com>
+
+ * s-parame-vxworks.adb:
+ Update comments to reflect usage of this package by Nucleus.
+
+2007-12-13 Arnaud Charlet <charlet@adacore.com>
+
+ * i-vxwork.ads: Kill new warning on Convention C, since changing the
+ spec would break code.
+
+ * i-forbla-unimplemented.ads, vx_stack_info.c: New files.
+
+ * system-vxworks-alpha.ads: Removed.
+
+2007-12-10 Eric Botcazou <ebotcazou@adacore.com>
+
+ * ada-tree.h (TYPE_RETURNS_BY_TARGET_PTR_P): Move around.
+
+2007-12-09 Samuel Tardieu <sam@rfc1149.net>
+
+ PR ada/34366
+ * sem_ch3.adb (Designates_T): New function.
+ (Mentions_T): Factor reusable part of the logic into Designates_T.
+ Consider non-access parameters and access and non-access result.
+ (Check_Anonymous_Access_Components): Set ekind of anonymous access to
+ E_Subprogram_Type to E_Anonymous_Access_Subprogram_Type.
+
+ * einfo.ads: Update comment for E_Anonymous_Access_Subprogram_Type.
+
+2007-12-07 Ludovic Brenta <ludovic@ludovic-brenta.org>
+
+ PR ada/34361
+ * mlib-tgt.adb, mlib-tgt.ads: Fix comments at the top to reflect
+ the new implementation of target-specific calls.
+
+2007-12-07 Olivier Hainque <hainque@adacore.com>
+
+ * decl.c (gnat_to_gnu_entity) <case E_Access_Type>: When computing
+ the designated full view, only follow a second level Full_View link
+ for Non_Limited_Views of from_limited_with references.
+
+2007-12-07 Samuel Tardieu <sam@rfc1149.net>
+
+ PR ada/15805
+ * sem_ch6.adb (Process_Formals): Prevent an access type formal
+ to be initialized with an access to constant object.
+
+ * sem_ch3.adb (Analyze_Object_Declaration): Signal an error
+ when an access to constant is used to initialize an access
+ value.
+
+ PR ada/21346
+ * a-direct.adb (Compose): Containing_Directory can be an empty string.
+
+2007-12-07 Olivier Hainque <hainque@adacore.com>
+
+ PR ada/34173
+ * decl.c (gnat_to_gnu_entity) <case E_Array_Type>: When setting
+ the alignment on the GCC XUA array type, set TYPE_USER_ALIGN if
+ this is from an alignment clause on the GNAT entity.
+ * utils.c (create_field_decl): Rewrite the computation of DECL_ALIGN
+ to distinguish the case where we set it from the type's alignment.
+ When so, propagate TYPE_USER_ALIGN into DECL_USER_ALIGN to indicate
+ whether this alignment was set from an explicit alignment clause.
+
+2007-12-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ * decl.c (make_packable_type): Revert last change.
+ (gnat_to_gnu_field): Avoid setting size and position multiple times.
+ * utils.c (finish_record_type): Retrieve the real name of the type.
+
+2007-12-05 Eric Botcazou <ebotcazou@adacore.com>
+
+ * trans.c (lvalue_required_p): Take base node directly instead
+ of its parent. Rename second parameter to 'gnu_type'.
+ <N_Indexed_Component>: Return 0 if the node isn't the prefix.
+ <N_Slice>: Likewise.
+ (Identifier_to_gnu): Rename parent_requires_lvalue to require_lvalue.
+ Adjust calls to lvalue_required_p.
+
+2007-12-05 Samuel Tardieu <sam@rfc1149.net>
+
+ PR ada/21489
+ * exp_ch9.adb (Build_Simple_Entry_Call): Initialize OUT access type
+ parameters of an entry call.
+
+2007-12-03 Robert Dewar <dewar@adacore.com>
+ Samuel Tardieu <sam@rfc1149.net>
+
+ PR ada/34287
+ * sem_util.adb (Safe_To_Capture_Value): Do not capture values
+ of variables declared in a library-level package.
+
+2007-12-02 Samuel Tardieu <sam@rfc1149.net>
+
+ * clean.adb (Clean_Library_Directory): Use Empty_String'Access intead
+ of Empty_String'Unchecked_Access.
+
+ * Makefile.in: Add support for sh4-linux.
+
+ * system-linux-sh4.ads: New file.
+
+2007-12-01 Kostik Belousov <kostikbel@ukr.net>
+
+ PR ada/33722
+ * env.c (__gnat_setenv): FreeBSD 7 has a POSIX conformant putenv()
+ and its argument must not be free()ed.
+
+2007-11-29 Eric Botcazou <ebotcazou@adacore.com>
+
+ * decl.c (make_packable_type): Retrieve the real name of the type.
+ (maybe_pad_type): Simplify similar code.
+
+2007-11-28 Samuel Tardieu <sam@rfc1149.net>
+
+ PR ada/15804
+ * par-ch3.adb (P_Variant_Part): Signal an error when anything other
+ than an identifier is used after "case" in a variant_part.
+
+ PR ada/17318
+ * par-ch4.adb (Is_Parameterless_Attribute): New map.
+ (P_Name, Scan_Apostrophe block): Parse left parenthesis following
+ attribute name or not depending on the new map.
+
+ * sem-attr.adb (Analyze_Attribute): Parameterless attributes
+ returning a string or a type will not be called with improper
+ arguments.
+
+ * sem-attr.ads (Attribute_Class_Array): Move to snames.ads.
+
+ * snames.ads (Attribute_Class_Array): Moved from sem-attr.ads.
+
+ PR ada/32792
+ * sem_attr.adb (Analyze_Attribute, Attribute_Integer_Value clause):
+ Signal an error when attribute argument is a fixed-point value of
+ an unknown type.
+
+ PR ada/22559
+ * sem_ch3.adb (Build_Derived_Numeric_Type): Do not set RM_Size on
+ a derived ordinary fixed point type.
+
+ * sem_ch13.adb (Analyze_Attribute_Definition_Clause): Recompute
+ RM_Size when a Small clause is found.
+
+2007-11-26 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ PR 34081/C++
+ * trans.c (Subprogram_Body_to_gnu, Compilation_Unit_to_gnu):
+ Pass 'false' for the new allocate_struct_function parameter.
+ * utils.c (build_function_stub): Likewise.
+
+2007-11-25 Richard Guenther <rguenther@suse.de>
+
+ * utils.c (gnat_pushlevel): Use BLOCK_CHAIN.
+ (gnat_poplevel): Likewise.
+
+2007-11-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ * decl.c (gnat_to_gnu_entity) <E_Record_Type>: If the type has
+ strict alignment, no alignment clause and a known static size, cap
+ the type alignment to the greatest power of 2 factor of the size.
+ (gnat_to_gnu_field): If the field has a component clause, is aliased
+ or of a type with strict alignment, require that its size be equal to
+ that of the type.
+ (validate_size): Use the type size as the minimum size for a type with
+ strict alignment.
+
+2007-11-23 Samuel Tardieu <sam@rfc1149.net>
+
+ * s-inmaop-posix.adb, s-intman-vxworks.adb, s-taprop-hpux-dce.adb,
+ s-taprop-irix.adb, s-taprop-linux.adb, s-taprop-lynxos.adb,
+ s-taprop-posix.adb, s-taprop-tru64.adb, s-taprop-vxworks.adb:
+ Use 'Access instead of 'Unchecked_Access in second and third
+ arguments of pthread_sigmask.
+
+2007-11-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * decl.c (ceil_alignment): New function.
+ (gnat_to_gnu_entity): Use it to set the alignment on atomic types.
+ (make_packable_type): Likewise.
+
+2007-11-22 Olivier Hainque <hainque@adacore.com>
+
+ * trans.c (gnat_to_gnu) <case N_Free_Statement>: Reformat lines
+ to fit in 80 columns.
+
+2007-11-21 Aurelien Jarno <aurelien@aurel32.net>
+
+ * s-osinte-kfreebsd-gnu.ads (To_Target_Priority): New function.
+ * Makefile.in: Add EH_MECHANISM=-gcc to kfreebsd-gnu. Remove SYMLIB.
+
+2007-11-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR ada/34098
+ * misc.c (gnat_adjust_rli): Delete.
+ (gnat_init): Do not initialize the translation code here.
+ Do not call set_lang_adjust_rli.
+ * trans.c (init_code_table): Make static.
+ (gnat_init_stmt_group): Delete.
+ (gigi): Initialize the translation code entirely here.
+ Emit debug info for the common types here instead of...
+ * utils.c (gnat_init_decl_processing): ...here.
+ * gigi.h (init_code_table): Delete.
+ (gnat_init_stmt_group): Likewise.
+
+2007-11-16 Olivier Hainque <hainque@adacore.com>
+
+ * utils2.c (build_call_alloc_dealloc) <if gnu_obj>: Move the code
+ retrieving an allocator return value from a super-aligned address from
+ here to ...
+ * trans.c (gnat_to_gnu) <case N_Free_Statement>: ... here, and don't
+ expect a super-aligned address for a fat or thin pointer.
+
+2007-11-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ * trans.c (call_to_gnu): Always set the source location on the call
+ expression. If the function returns-by-target, also set it on the
+ address expression.
+
+2007-11-14 Samuel Tardieu <sam@rfc1149.net>
+
+ * adaint.c, init.c, initialize.c, link.c: Remove system-specific
+ sections of non-supported Interix target.
+
+ * s-osinte-interix.ads: Removed.
+
+ * i-cstrin.ads (chars_ptr): Make it a C convention type.
+
+2007-11-13 Samuel Tardieu <sam@rfc1149.net>
+
+ * a-tasatt.adb: Add a comment at the beginning of the package
+ explaining why in general 'Unchecked_Access must be used instead
+ of 'Access.
+
+ * sem_prag.adb (Process_Convention): Move the test for the
+ entity on which the Convention pragma applies down to also
+ forbid pragma Convention on enumeration literals reached
+ through renamings.
+
+2007-11-10 Samuel Tardieu <sam@rfc1149.net>
+
+ * a-tasatt.adb: Revert previous change for this file as it will
+ generate an error when this package is instantiated from a
+ local context.
+
+2007-11-07 Samuel Tardieu <sam@rfc1149.net>
+
+ * a-tasatt.adb: Type Wrapper should be declared in comment instead
+ of already declared type Node_Access.
+ Use 'Access instead of 'Unchecked_Access when applicable. Local
+ lifetime is the one of the package.
+ (Set_Value): W is allocated on the heap.
+
+ * g-socket.adb: Use 'Access instead of 'Unchecked_Access when
+ applicable.
+ (Get_Socket_Option): Optlen formal of C_Getsockopt is of an anonymous
+ access type.
+ (Receive_Socket): Fromlen formal of C_Recvfrom is of an anonymous
+ access type.
+
+ * s-taasde.adb: Use 'Access instead of 'Unchecked_Access when
+ applicable.
+ (elaboration code): Timer_Queue lifetime is the one of the
+ package.
+
+ * tracebak.c (i386 alternative): Remove useless comparaison
+ which is always false; LOWEST_ADDRESS is 0 and is never greater
+ than an unsigned integer.
+
+ * sem_attr.adb (Analyze_Attribute): Remove duplicate identical
+ embedded check for "Ada_Version >= Ada_05".
+
+2007-11-07 Olivier Hainque <hainque@adacore.com>
+
+ * decl.c (make_aligning_type): Set the mode of the RECORD_TYPE we
+ craft and expand comment.
+
+2007-11-01 Eric Botcazou <ebotcazou@adacore.com>
+
+ * lang-specs.h: Move translation of -fRTS= after -gnatez switch.
+
+2007-10-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * misc.c (gnat_handle_option): Replace call to abort with
+ call to gcc_unreachable.
+ (gnat_init): Likewise.
+ (gnat_expand_expr): Likewise.
+ (fp_prec_to_size): Likewise.
+ (fp_size_to_prec): Likewise.
+
+2007-10-23 Richard Guenther <rguenther@suse.de>
+
+ PR bootstrap/33608
+ * tracebak.c: #undef abort after including system.h.
+
2007-10-20 Danny Smith <dannysmith@users.sourceforge.net>
* Makefile.in (LIBGNAT_TARGET_PAIRS) Add s-tasinf-mingw.adb,
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