[pf3gnuchains/gcc-fork.git] / gcc / ada / ChangeLog

2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * gnat_rm.texi (Implementation Defined Characteristics)
        (Standard Library Routines): Use @smallexample for indented
        text.  Drop Indentation outside examples.
        * gnat_ugn.texi: Likewise.

2008-06-13  Olivier Hainque  <hainque@adacore.com>

        * decl.c (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Define to 0
        if undefined.
        (gnat_to_gnu_entity) <case E_Function/Procedure>: Request stack
        realignment with force_align_arg_pointer attribute on foreign
        convention subprograms if FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN.
        
2008-06-13  Olivier Hainque  <hainque@adacore.com>

        * utils.c (rest_of_record_type_compilation): When computing
        encodings for the components of a variable size type, early
        strip conversions on the current position expression to make
        sure it's shape is visible.  Use remove_conversions for this
        purpose.

2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: In the case of a
        constrained subtype of a discriminated type, discard the fields that
        are beyond its limits according to its size.

2008-06-10  Olivier Hainque  <hainque@adacore.com>

        * utils.c (create_subprog_decl): If this is for the 'main' entry
        point according to the asm name, redirect main_identifier_node.

2008-06-09  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (components_to_record): Adjust the packedness for the
        qualified union as well.

2008-06-09  Arnaud Charlet  <charlet@adacore.com>

        * Make-lang.in: Use -gnatwns instead of -gnatws to make sytyle
        checks non fatal.

2008-06-07  Samuel Tardieu  <sam@rfc1149.net>

        * sem_res.adb (Large_Storage_Type): A type is large if it
        requires as many bits as Positive to store its values and its
        bounds are known at compile time.
        * sem_ch13.adb (Minimum_Size): Note that this function returns
        0 if the size is not known at compile time.

2008-06-06  Nicolas Setton  <setton@adacore.com>
            Olivier Hainque  <hainque@adacore.com>

        * ada-tree.h (DECL_PARALLEL_TYPE): New language specific
        attribute, parallel descriptive type attached to another
        type for debug info generation purposes.
        * utils.c (add_parallel_type): New function, register
        parallel type to be attached to a type.
        (get_parallel_type): New function, fetch a registered
        parallel type, if any.
        (rest_of_record_type_compilation): Register the parallel
        type we make for variable size records.
        * gigi.h (add_parallel_type, get_parallel_type): Declare.
        * decl.c (gnat_to_gnu_entity, maybe_pad_type): Register the
        parallel debug types we make.
        * trans.c (extract_encoding, decode_name): New functions.
        (gigi): If the DWARF attribute extensions are available, setup
        to use them.
        * lang.opt: Register language specific processing request
        for -gdwarf+.
        * misc.c (gnat_dwarf_extensions): New global variable. How much
        do we want of our DWARF extensions. 0 by default.
        (gnat_handle_option) <OPT_gdwarf_>: Increment gnat_dwarf_extensions.
        (gnat_post_options): Map gnat_dwarf_extensions to the
        commonuse_gnu_debug_info_extensions for later processing.
        
2008-06-04  Samuel Tardieu  <sam@rfc1149.net>

        * einfo.ads, einfo.adb: Remove unused flag Function_Returns_With_DSP.

2008-06-03  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (common_tools): Fix typos in $(exeext) extension.
        * gnat_ugn.texi (Style Checking)
        (Adding the Results of Compiler Checks to gnatcheck Output)
        (Example of Binder Output File): Fix typos.
        * ali.ads, einfo.ads, exp_ch4.adb, exp_ch6.adb,
        exp_dbug.ads, exp_dist.adb, exp_smem.adb, g-socket.ads,
        s-osinte-rtems.ads, s-shasto.ads, s-stausa.adb,
        s-stausa.ads, sem_cat.adb, sem_ch12.adb, sem_ch3.adb,
        sem_ch4.adb, sem_ch6.adb, sem_ch8.adb, sem_util.ads,
        sinfo.ads, utils.c: Fix typos in comments.
        * sem_ch6.adb, vms_data.ads: Fix typos in strings.

2008-05-29  Thomas Quinot  <quinot@adacore.com>

        * sem_eval.adb: Minor reformatting

2008-05-29  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb (Analyze_Subprogram_Specification): if the return type
        is abstract, do not apply abstractness check on subprogram if this is
        a renaming declaration.

2008-05-29  Arnaud Charlet  <charlet@adacore.com>

        PR ada/864
        * osint.ads, osint.adb (Program_Name): New parameter "Prog" to
        allow recognition of program suffix in addition to prefix.
        
        * gnatchop.adb (Locate_Executable): Add support for prefix.
        
        * make.adb, gnatcmd.adb, gnatlink.adb, prj-makr.adb,
        mlib-utl.adb: Adjust calls to Program_Name.

2008-05-29  Robert Dewar  <dewar@adacore.com>

        * sem_ch3.adb: Minor reformatting
        * sem_prag.adb: Minor reformatting
        * sem_res.adb: Minor reformatting
        * sinput-p.ads: Minor reformatting

2008-05-29  Javier Miranda  <miranda@adacore.com>

        * sem_util.adb:
        (Abstract_Interface_List): Add missing support for full type-declaration
        associated with synchronized types.

2008-05-29  Robert Dewar  <dewar@adacore.com>

        * sem_eval.adb (Is_Same_Value): Take care of several more cases

2008-05-28  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch5.adb (Analyze_Assignment): If the name is of a local anonymous
        access type, wrap the expression in a conversion to force an
        accessibility check.

        * sem_aggr.adb (Aggegate_Constraint_Checks): Apply conversion to force
        accessibility checks even when expansion is disabled in order to
        generate messages in the presence of previous errors or in
        semantics-only mode.

2008-05-28  Eric Botcazou  <ebotcazou@adacore.com>

        * system-lynxos-ppc.ads (Always_Compatible_Rep): Set to False.
        * system-lynxos-x86.ads (Always_Compatible_Rep): Set to False.

2008-05-28  Vincent Celier  <celier@adacore.com>

        PR ada/34446
        * gnat_ugn.texi: Document restriction introduced on 2007-04-20 in
        preprocessing expressions

2008-05-28  Vincent Celier  <celier@adacore.com>

        * sinput-p.adb (Source_File_Is_Subunit): Allow special character used
        for preprocessing
        
        * sinput-p.ads: Minor comment update and reformatting

2008-05-28  Ed Schonberg  <schonberg@adacore.com>

        * sem_res.adb (Valid_Conversion): An anonymous access_to_subprogram
        type has a deeper level than any master only when it is the type of an
        access parameter.

2008-05-28  Javier Miranda  <miranda@adacore.com>

        * sem_ch3.adb (Derive_Progenitor_Subprograms): Add documentation.

2008-05-28  Javier Miranda  <miranda@adacore.com>

        * sem_util.ads (Find_Overridden_Synchronized_Primitive): Removed.
        * sem_util.adb (Find_Overridden_Synchronized_Primitive): Removed.
        * sem_ch6.adb (Check_Synchronized_Overriding): Remove one formal.
        Add code that was previously located in
        Find_Overridden_Synchronized_Primitive because it is only used here.

2008-05-28  Sergey Rybin  <rybin@adacore.com>

        * sem_prag.adb (Process_Extended_Import_Export_Subprogram_Pragma): Set
        Entity field for formal_parameter_NAME in MECHANISM_ASSOCIATION.

2008-05-28  Robert Dewar  <dewar@adacore.com>

        * restrict.ads:
        Add missing restrictions, and properly label all GNAT defined ones
        
        * rtsfind.ads:
        Add entry for Ada_Real_Time.Timing_Events.Timing_Event
        Add entry for Ada.Task_Termination.Set_Specific_Handler
        Add entry for Ada.Task_Termination.Specific_Handler
        
        * s-rident.ads:
        Add missing restrictions and properly mark all gnat defined ones
        
        * sem_ch3.adb:
        (Analyze_Object_Declaration): Check No_Local_Timing_Events restriction
        
        * sem_res.adb:
        (Resolve_Call): Check violation of No_Specific_Termination_Handlers

        * gnat_rm.texi: Add missing restrictions, and properly label all
        GNAT defined ones

2008-05-28  Robert Dewar  <dewar@adacore.com>

        * restrict.adb:
        (Check_Restriction): violation of restriction No_Finalization is
        treated as a serious error to stop expansion

2008-05-28  Robert Dewar  <dewar@adacore.com>

        * exp_util.adb: Minor reformatting
        * exp_util.ads: Minor reformatting.

2008-05-28  Arnaud Charlet  <charlet@adacore.com>

        * Make-lang.in: Remove gprmake.

        * gprmake.adb, makegpr.ads, makegpr.adb: Removed.

2008-05-28  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Diagnose_Interface): Cleanup error messages involving
        improper progenitor names, and avoid cascaded errors.

2008-05-28  Robert Dewar  <dewar@adacore.com>

        * gnat_rm.texi: Add note on Old giving warning when applied to constant

        * sem_attr.adb (Analyze_Attribute, case Old): Give warning if prefix is
        a constant

2008-05-28  Robert Dewar  <dewar@adacore.com>

        * exp_fixd.adb (Build_Multiply): Correct one-off error in computing
        size

2008-05-28  Robert Dewar  <dewar@adacore.com>

        * exp_ch5.adb:
        (Expand_Simple_Function_Return): Copy unaligned result into temporary

2008-05-28  Javier Miranda  <miranda@adacore.com>

        * sem_ch3.adb (Derive_Progenitor_Primitives): Add missing support
        for user-defined predefined primitives.
        
        * sem_util.adb (Matches_Prefixed_View_Profile): Ditto.
        (Find_Overridden_Synchronized_Primitive): Ditto.

        * sem_ch6.adb (Check_Synchronized_Overriding): Ditto.

2008-05-27  Arnaud Charlet  <charlet@adacore.com>

        * a-ststio.adb, s-direio.adb:
        Further code clean up of previous change.
        Update comments.

2008-05-27  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb: Minor reformatting

2008-05-27  Bob Duff  <duff@adacore.com>

        * sem_ch3.adb (Build_Incomplete_Type_Declaration): In the case of an
        untagged private type with a tagged full type, where the full type has
        a self reference, create the corresponding class-wide type early, in
        case the self reference is "access T'Class".

2008-05-27  Ed Schonberg  <schonberg@adacore.com>

        * exp_aggr.adb (Build_Array_Aggr_Code): If component type includes
        tasks and context is an object declaration. create master entity before
        expansion.

2008-05-27  Robert Dewar  <dewar@adacore.com>

        * mlib-prj.adb: Minor reformatting

        * prj-part.adb: Minor reformatting

        * prj.ads: Minor reformatting

        * exp_ch3.adb: Minor reformatting.

        * sem_ch3.ads: Minor reformatting

        * sem_eval.adb: Minor reformatting

2008-05-27  Vincent Celier  <celier@adacore.com>

        * gnatcmd.adb:
        <prefix>-gnat stack spawns gnatstack, not <prefix>-gnatstack

2008-05-27  Ed Schonberg  <schonberg@adacore.com>

        * exp_aggr.adb (Expand_Array_Aggregate): If the aggregate contains
        tasks, create an activation chain now, before the expansion into
        assignments and build-in-place calls that require the presence of an
        activation chain.
        (Backend_Processing_Possible): If the component type is inherently
        limited, the aggregate must be expanded into individual built-in-place
        assignments.

        * sem_ch6.adb (Build_Extra_Formals): Use underlying type of result to
        determine whether an allocation extra parameter must be built, to
        handle case of a private type whose full type is a discriminated type
        with defaults.

2008-05-27  Bob Duff  <duff@adacore.com>

        * gnat_rm.texi:
        Document the new behavior regarding trampolines.

2008-05-27  Arnaud Charlet  <charlet@adacore.com>

        * a-direio.adb, a-sequio.adb: Replace address clause by
        unrestricted_access, simpler and compatible with .NET.

2008-05-27  Vincent Celier  <celier@adacore.com>

        * prj-part.adb:
        (Project_Path_Name_Of.Try_Path): Do not use Locate_Regular_File to find
        a project file, so that symbolic links are not resolved.

2008-05-27  Arnaud Charlet  <charlet@adacore.com>

        * a-ztexio.adb, a-textio.adb, a-witeio.adb, s-direio.adb:
        Replace heavy address clause by 'Unrestricted_Access, cleaner and more
        portable across GNAT targets, since this kind of address clause is not
        supported by VM back-ends (.NET/JGNAT).

2008-05-27  Arnaud Charlet  <charlet@adacore.com>

        * bindgen.adb: Update comments.
        
        * s-tasinf-mingw.adb: Add "with" of System.OS_Interface

2008-05-27  Vincent Celier  <celier@adacore.com>

        * gnatcmd.adb, prj-proc.adb, make.adb, mlib-prj.adb, prj.adb,
        prj.ads, makegpr.adb, makeutl.adb, clean.adb, prj-nmsc.adb,
        mlib-tgt.adb, prj-env.adb, prj-env.ads:
        (Path_Information): New record type
        Use component of type Path_Information when there are two paths, one in
        canonical format and one in display format.
        Update the project manager to these new components.

2008-05-27  Robert Dewar  <dewar@adacore.com>

        * makeutl.adb: Minor reformatting
        * prj-nmsc.adb: Minor reformatting
        * s-stausa.adb: Minor reformatting
        * s-stausa.ads: Minor reformatting
        * sem_ch6.adb: Minor reformatting

2008-05-27  Thomas Quinot  <quinot@adacore.com>

        * sem_res.adb: Minor comment fixes

2008-05-27  Thomas Quinot  <quinot@adacore.com>

        * makeutl.adb: Minor code reorganization

        * exp_aggr.adb: Add ??? comment
        Fix typo

        * exp_ch6.adb: Minor reformatting

2008-05-27  Quentin Ochem  <ochem@adacore.com>

        * s-stausa.adb (Initialize): Updated result initialization, and
        initialization of environment stack.
        (Fill_Stack): Improved computation of the pattern zone, taking into
        account already filled at the calling point.
        (Get_Usage_Range): Now uses Min_Measure and Max_Measure instead of
        Measure and Overflow_Guard.
        (Report_Result): Fixed computation of the result using new fields of
        Stack_Analyzer.
        
        * s-stausa.ads (Initialize_Analyzer): Replaced Size / Overflow_Guard
        params by more explicit Stack_Size / Max_Pattern_Size params.
        (Stack_Analyzer): Added distinct Stack_Size & Pattern_Size fields.
        Added Stack_Used_When_Filling field.
        (Task_Result): Replaced Measure / Overflow_Guard by more explicit
        Min_Measure and Max_Measure fields.
        
        * s-tassta.adb (Task_Wrapper): Updated call to Initialize_Analyzer.

2008-05-27  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb:
        (Check_File): Make sure that a unit that replaces the same unit in a
         project being extended is properly processed.

2008-05-27  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb:
        (Get_Discr_Value): Remove obsolete code that failed to find the value
        of a discriminant for an inherited task component appearing in a type
        extension.

2008-05-27  Thomas Quinot  <quinot@adacore.com>

        (System.File_IO.{Close, Delete, Reset}):
        Change File parameter from "in out AFCB_Ptr" to "access AFCB_Ptr".
        
        (Ada.*_IO.{Close, Delete, Reset, Set_Mode}):
        Pass File parameter by reference.

2008-05-27  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb:
        (Process_Sources_In_Multi_Language_Mode): Check that there are not two
        sources of the same project that have the same object file name.
        (Find_Explicit_Sources): Always remove a source exception that was not
        found.

2008-05-27  Thomas Quinot  <quinot@adacore.com>

        * sem_ch3.adb: Minor reformatting

2008-05-27  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb:
        (Is_Interface_Conformant): Handle properly a primitive operation that
        overrides an interface function with a controlling access result.
        (Type_Conformance): If Skip_Controlling_Formals is true, when matching
        inherited and overriding operations, omit as well the conformance check
        on result types, to prevent spurious errors.

2008-05-27  Vincent Celier  <celier@adacore.com>

        * makeutl.ads, makeutl.adb:
        (Set_Location): New procedure
        (Get_Location): New function
        (Update_Main): New procedure

2008-05-27  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb:
        (Check_Library): Allow standard project to be extended as a static
        library project.
        (Get_Mains): Do not inherit attribute Main in an extending library
        project.

2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>

        * system-darwin-ppc.ads (Always_Compatible_Rep): Set to False.
        * system-darwin-x86.ads (Always_Compatible_Rep): Likewise.
        * system-freebsd-x86.ads (Always_Compatible_Rep): Likewise.
        * system-linux-ppc.ads (Always_Compatible_Rep): Likewise.
        * system-linux-x86_64.ads (Always_Compatible_Rep): Likewise.
        * system-linux-x86.ads (Always_Compatible_Rep): Likewise.
        * system-mingw.ads (Always_Compatible_Rep): Likewise.
        * system-solaris-sparc.ads (Always_Compatible_Rep): Likewise.
        * system-solaris-sparcv9.ads (Always_Compatible_Rep): Likewise.
        * system-solaris-x86.ads (Always_Compatible_Rep): Likewise.
        
2008-05-27  Ed Schonberg  <schonberg@adacore.com>

        * sem_attr.adb: add guard to previous patch.

2008-05-27  Ed Schonberg  <schonberg@adacore.com>

        * exp_disp.adb (Build_Dispatch_Tables): For a private type completed by
        a synchronized tagged type, do not attempt to build dispatch table for
        full view. The table is built for the corresponding record type, which
        has its own declaration.

2008-05-27  Gary Dismukes  <dismukes@adacore.com>

        * sem_ch3.adb (Fixup_Bad_Constraint): Set the Etype on the bad subtype
        to the known type entity E, rather than setting it to Any_Type. Fixes
        possible blowup in function Base_Init_Proc, as called from Freeze_Entity
        for objects whose type had an illegal constraint.

2008-05-27  Vincent Celier  <celier@adacore.com>

        * gnat_ugn.texi:
        Add succinct documentation for attribute Excluded_Source_List_File

2008-05-27  Vincent Celier  <celier@adacore.com>

        * prj-attr.adb: Add new project level attribute Map_File_Option
        
        * prj-nmsc.adb (Process_Linker): Process new attribute Map_File_Option
        
        * prj.ads: Minor reformatting and comment update
        (Project_Configuration): New component Map_File_Option
        
        * snames.adb: New standard name Map_File_Option
        
        * snames.ads: New standard name Map_File_Option

2008-05-27  Vincent Celier  <celier@adacore.com>

        * xsnames.adb: Remove unused variable Oname

2008-05-27  Doug Rupp  <rupp@adacore.com>

        * exp_ch6.adb:
        (Expand_N_Function_Call): Fix comments. Minor reformatting.

        * exp_vfpt.ads:
        (Expand_Vax_Foreign_Return): Fix comments.

2008-05-27  Thomas Quinot  <quinot@adacore.com>

        * exp_dist.adb: Minor reformating

2008-05-26  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): Remove checks for
        No_Default_Initialization, which is now delayed until the freeze point
        of the object. Add a comment about deferral of the check.
        
        * freeze.adb (Freeze_Entity): The check for No_Default_Initialization
        on objects is moved here.

2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * s-casi16.adb (Uhalf): Rewrite it as integer with small alignment.
        (Compare_Array_S16): Adjust for above change.
        * s-casi32.adb (Uword): Likewise.
        (Compare_Array_S32): Likewise.
        * s-casi64.adb (Uword): Likewise.
        (Compare_Array_S64): Likewise.
        * s-caun16.adb (Uhalf): Likewise.
        (Compare_Array_U16): Likewise.
        * s-caun32.adb (Uword): Likewise.
        (Compare_Array_U32): Likewise.
        * s-caun64.adb (Uword): Likewise.
        (Compare_Array_U64): Likewise.
        
2008-05-26  Robert Dewar  <dewar@adacore.com>

        * exp_ch6.adb: Add ??? comment for previous change

        * exp_vfpt.adb: Minor reformatting

        * exp_vfpt.ads: Add ??? comment for last change

        * sem_attr.adb: Add some ??? comments for previous change

        * s-vaflop.ads: Add comments for previous change

2008-05-26  Doug Rupp  <rupp@adacore.com>

        * s-vaflop-vms-alpha.adb:
        Remove System.IO use clause, to prevent spurious ambiguities when
        package is access through rtsfind.

2008-05-26  Sergey Rybin  <rybin@adacore.com>

        * tree_io.ads (ASIS_Version_Number): Update because of the changes
        made in front-end

2008-05-26  Ed Schonberg  <schonberg@adacore.com>

        * sem_attr.adb:
        (Resolve_Attribute, case 'address):  S (A .. B)' address can be safely
        converted to S (A)'address only if A .. B is known to be a non-null
        range.

2008-05-26  Doug Rupp  <rupp@adacore.com>

        * s-vaflop.adb:
        (Return_D, Return_F, Return_G): New functions.

        * s-vaflop.ads:
        (Return_D, Return_F, Return_G): New functions.

        * exp_vfpt.adb:
        (Expand_Vax_Foreign_Return): New procedure

        * exp_vfpt.ads:
        (Expand_Vax_Foreign_Return): New procedure

        * rtsfind.ads:
        (RE_Return_D, RE_Return_F, RE_Return_G): New RE_Ids
        (RE_Return_D, RE_Return_F, RE_Return_G): New RE_Unit_Table elements

        * exp_ch6.adb:
        Import Exp_Vfpt
        (Expand_N_Function_Call): Call Expand_Vax_Foreign_Return.

        * s-vaflop-vms-alpha.adb:
        (Return_D, Return_F, Return_G): New functions.

2008-05-26  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch3.adb (Build_Array_Init_Proc): Only set Init_Proc to a dummy
        init proc entity when there is actual default initialization associated
        with the component type, to avoid spurious errors on objects of scalar
        array types that are marked Is_Public when No_Default_Initialization
        applies.

2008-05-26  Thomas Quinot  <quinot@adacore.com>

        * rtsfind.ads, rtsfind.adb:
        (RE_Get_RACW): New runtime library entity provided by PolyORB s-parint.
        (Check_RPC): Support per-PCS-kind API versioning.
        
        exp_dist.ads, exp_dist.adb:
        (Build_Stub_Tag, Get_Stub_Elements): New utility subprograms.
        (PolyORB_Support.Add_RACW_From_Any): Offload common code to new runtime
         library function Get_RACW.
        (PolyORB_Support.Add_RACW_To_Any): Offload common code to new runtime
        library function Get_Reference.
        (PolyORB_Support.Add_RACW_Read_Attribute): Use Get_RACW instead of going
        through an intermediate Any.
        (PolyORB_Support.Add_RACW_Write_Attribute): Use Get_Reference instead of
        going through an intermediate Any.
        
        * sem_dist.adb: Minor reformatting.

2008-05-26  Javier Miranda  <miranda@adacore.com>

        * einfo.ads (Abstract_Interface_Alias): Renamed as Interface_Alias.
        (Set_Abstract_Interface_Alias): Renamed as Set_Interface_Alias.
        (Is_Internal): Adding documentation on internal entities that have
        attribute Interface_Alias (old attribute Abstract_Interface_Alias)

        * einfo.adb (Abstract_Interface_Alias): Renamed as Interface_Alias.
        (Set_Abstract_Interface_Alias): Renamed as Set_Interface_Alias.
        Added assertion to force entities with this attribute to have
        attribute Is_Internal set to True.
        (Next_Tag_Component): Simplify assertion using attribute Is_Tag.

        * sem_ch3.adb (Derive_Interface_Subprograms): This subprogram has been
        renamed as Derive_Progenitor_Subprograms. In addition, its code is
        a new implementation.
        (Add_Interface_Tag_Components): Remove special management of
        synchronized interfaces.
        (Analyze_Interface_Declaration): Minor reformating
        (Build_Derived_Record_Type): Minor reformating
        (Check_Abstract_Overriding): Avoid reporting error in case of abstract
        predefined primitive inherited from interface type because the body of
        internally generated predefined primitives of tagged types are generated
        later by Freeze_Type
        (Derive_Subprogram): Avoid generating an internal name if the parent
        subprogram overrides an interface primitive.
        (Derive_Subprograms): New implementation that keeps separate the
        management of tagged types not implementing interfaces, from tagged
        types that implement interfaces.
        (Is_Progenitor): New implementation.
        (Process_Full_View): Add documentation
        (Record_Type_Declaration): Replace call to Derive_Interface_Subprograms
        by call to Derive_Progenitor_Subprograms.

        * sem_ch6.ads (Is_Interface_Conformant): New subprogram.
        (Check_Subtype_Conformant, Subtype_Conformant): Adding new argument
        Skip_Controlling_Formals.

        * sem_ch6.adb (Is_Interface_Conformant): New subprogram.
        (Check_Conventions): New implementation. Remove local subprogram
        Skip_Check. Remove formal Search_From of routine Check_Convention.
        (Check_Subtype_Conformant, Subtype_Conformant): Adding new argument
        Skip_Controlling_Formals.
        (New_Overloaded_Entity): Enable addition of predefined dispatching
        operations.

        * sem_disp.ads
        (Find_Primitive_Covering_Interface): New subprogram.

        * sem_disp.adb (Check_Dispatching_Operation): Disable registering
        the task body procedure as a primitive of the corresponding tagged
        type.
        (Check_Operation_From_Private_Type): Avoid adding twice an entity
        to the list of primitives.
        (Find_Primitive_Covering_Interface): New subprogram.
        (Override_Dispatching_Operation): Add documentation.

        * sem_type.adb (Covers): Minor reformatings

        * sem_util.ads (Collect_Abstract_Interfaces): Renamed as
        Collect_Interfaces.
        Rename formal.
        (Has_Abstract_Interfaces): Renamed as Has_Interfaces.
        (Implements_Interface): New subprogram.
        (Is_Parent): Removed.
        (Primitive_Names_Match): New subprogram.
        (Remove_Homonym): Moved here from Derive_Interface_Subprograms.
        (Ultimate_Alias): New subprogram.

        * sem_util.adb (Collect_Abstract_Interfaces): Renamed as
        Collect_Interfaces.
        Remove special management for synchronized types. Rename formal. Remove
        internal subprograms Interface_Present_In_Parent and Add_Interface.
        (Has_Abstract_Interfaces): Renamed as Has_Interfaces. Replace assertion
        on non-record types by code to return false in such case.
        (Implements_Interface): New subprogram.
        (Is_Parent): Removed. No special management is now required for
        synchronized types covering interfaces.
        (Primitive_Names_Match): New subprogram.
        (Remove_Homonym): Moved here from Derive_Interface_Subprograms.
        (Ultimate_Alias): New subprogram.

        * exp_ch3.adb (Add_Internal_Interface_Entities): New subprogram.
        Add internal entities associated with secondary dispatch tables to
        the list of tagged type primitives that are not interfaces.
        (Freeze_Record_Type): Add new call to Add_Internal_Interface_Entities
        (Make_Predefined_Primitive_Specs): Code reorganization to improve
        the management of predefined equality operator. In addition, if
        the type has an equality function corresponding with a primitive
        defined in an interface type, the inherited equality is abstract
        as well, and no body can be created for it.

        * exp_disp.ads (Is_Predefined_Dispatching_Operation): Moved from
        exp_util to exp_disp.
        (Is_Predefined_Interface_Primitive): New subprogram. Returns True if
        an entity corresponds with one of the predefined primitives required
        to implement interfaces.
        Update copyright notice.

        * exp_disp.adb (Set_All_DT_Position): Add assertion. Exclude from the
        final check on abstract subprograms all the primitives associated with
        interface primitives because they must be visible in the public and
        private part.
        (Write_DT): Use Find_Dispatching_Type to locate the name of the
        interface type. This allows the use of this routine, for debugging
        purposes, when the tagged type is not fully decorated.
        (Is_Predefined_Dispatching_Operation): Moved from exp_util to exp_disp.
        Factorize code calling new subprogram Is_Predefined_Interface_Primitive.
        (Is_Predefined_Interface_Primitive): New subprogram. Returns True if an
        entity corresponds with one of the predefined primitives required to
        implement interfaces.

        * exp_util.adb (Find_Interface_ADT): New implementation
        (Find_Interface): Removed.

        * sprint.adb (Sprint_Node_Actual): Generate missing output for the
        list of interfaces associated with nodes
        N_Formal_Derived_Type_Definition and N_Private_Extension_Declaration.

2008-05-26  Thomas Quinot  <quinot@adacore.com>

        * exp_ch5.adb (Make_Tag_Ctrl_Assignment): Add missing guard on
        condition for assignment to temporary.

2008-05-26  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch4.adb (Expand_Concatenate_Other): Add explicit constraint
        checks on the upper bound if the index type is a modular type, to
        prevent wrap-around computations when size is close to upper bound of
        type.

2008-05-26  Robert Dewar  <dewar@adacore.com>

        * sem_ch3.adb: Minor reformatting

2008-05-26  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch12.adb (Remove_Parent): Use specification of instance
        to retrieve generic parent,
        to handle properly the case where the instance is a child unit.
        Add guard to handle properly wrapper packages.
        Minor reformatting

2008-05-26  Thomas Quinot  <quinot@adacore.com>

        * sinfo.ads: Minor reformatting

2008-05-26  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch4.adb (Expand_N_Type_Conversion): Minor code reformatting.
        Generate a tag check when the result subtype of a function, defined by
        an access definition, designates a specific tagged type.
        (Make_Tag_Check): New routine.

2008-05-26  Arnaud Charlet  <charlet@adacore.com>

        * ceinfo.adb, csinfo.adb: Remove warnings. Update headers.

2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * gigi.h (gigi): Remove bogus ATTRIBUTE_UNUSED marker.
        (builtin_decl_for): Likewise.
        * trans.c (gigi): Likewise.
        * utils.c (def_builtin_1): Fix formatting.

2008-05-26  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch3.adb (Build_Init_Statements): Alphabetize local variables.
        Create the statements which map a string name to protected or task
        entry indix.

        * exp_ch9.adb: Add with and use clause for Stringt.
        Minor code reformatting.
        (Build_Entry_Names): New routine.
        (Make_Initialize_Protection, Make_Task_Create_Call): Generate a value
        for flag Build_Entry_Names which controls the allocation of the data
        structure for the string names of entries.

        * exp_ch9.ads (Build_Entry_Names): New subprogram.

        * exp_util.adb (Entry_Names_OK): New function.

        * exp_util.ads (Entry_Names_OK): New function.

        * rtsfind.ads: Add RO_PE_Set_Entry_Name and RO_TS_Set_Entry_Name to
        enumerations RE_Id and RE_Unit_Table.

        * s-taskin.adb Add with and use clause for Ada.Unchecked_Deallocation.
        (Free_Entry_Names_Array): New routine.

        * s-taskin.ads: Comment reformatting.
        Add types String_Access, Entry_Names_Array, Entry_Names_Array_Access.
        Add component Entry_Names to record Ada_Task_Control_Block.
        (Free_Entry_Names_Array): New routine.

        * s-tassta.adb (Create_Task): If flag Build_Entry_Names is set,
        dynamically allocate an array
        of string pointers. This structure holds string entry names.
        (Free_Entry_Names): New routine.
        (Free_Task, Vulnerable_Free_Task): Deallocate the entry names array.
        (Set_Entry_Names): New routine.

        * s-tassta.ads:
        (Create_Task): Add formal Build_Entry_Names. The flag is used to
        control the allocation of the data structure which stores entry names.
        (Set_Entry_Name): New routine.

        * s-tpoben.adb:
        Add with and use clause for Ada.Unchecked_Conversion.
        (Finalize): Deallocate the entry names array.
        (Free_Entry_Names): New routine.
        (Initialize_Protection_Entries): When flag Build_Entry_Names is set,
        create an array of string pointers to hold the entry names.
        (Set_Entry_Name): New routine.

        * s-tpoben.ads:
        Add field Entry_Names to record Protection_Entries.
        (Initialize_Protection_Entries): Add formal Build_Entry_Names.
        (Set_Entry_Name): New routine.

2008-05-26  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb:
        (Process_Project_Level_Simple_Attributes): process attribute Library_GCC

        * prj.ads:
        (Project_Configuration): New component Shared_Lib_Driver

2008-05-26  Ed Schonberg  <schonberg@adacore.com>

        * inline.adb:
        (Cleanup_Scopes): For a protected operation, transfer finalization list
        to protected body subprogram, to force cleanup actions when needed.

2008-05-26  Robert Dewar  <dewar@adacore.com>

        * sem_cat.adb: Minor reformatting

        * gnatname.adb: Minor reformatting

        * osint.ads: Minor reformatting

        * s-carun8.ads: Minor reformatting

        * g-heasor.ads: Minor comment fix (unit is now pure)

2008-05-26  Robert Dewar  <dewar@adacore.com>

        * exp_ch2.adb:
        (Expand_Current_Value): Properly type generated integer literal

2008-05-26  Sergey Rybin  <rybin@adacore.com>

        * gnat_ugn.texi: Add description for the new gnatcheck rule -
        Separate_Numeric_Error_Handlers.

2008-05-26  Pascal Obry  <obry@adacore.com>

        * sem_aggr.adb: Minor reformatting.

2008-05-26  Jose Ruiz  <ruiz@adacore.com>

        * s-osinte-aix.adb:
        (To_Target_Priority): Setting the time slice value to 0 or greater sets
        the scheduling policy to FIFO within priorities or round-robin
        respectively.
        Hence, the priority must be set in this case to the one selected by the
        user.
        
2008-05-26  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch12.adb:
        (Remove_Parent): If the enclosing scope is an instance whose generic
        parent is declared within some parent scope of the just completed
        instance, make full views of the entities in that parent visible, when
        applicable.
        
2008-05-26  Kai Tietz  <kai.tietz@onevision.com>

        * mingw32.h (STD_MINGW): Set to true for target w64.

2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (Attribute_to_gnu) <Code_Address>: Set TREE_NO_TRAMPOLINE
        instead of TREE_STATIC on the ADDR_EXPR.

2008-05-24  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (gnat_to_gnu): Do not set source location info on NOP_EXPRs.
        (Sloc_to_locus): Do not overwrite known GCC locations when translating
        GNAT standard locations.

2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gigi.h (mark_visited): Declare.
        * decl.c (gnat_to_gnu_entity): Use mark_visited instead of marking
        only the topmost node of expressions.
        (elaborate_expression_1): Look deeper for read-only variables.
        * trans.c (add_decl_expr): Use mark_visited instead of marking by hand.
        (mark_visited): Move logic to mark_visited_r.  Invoke walk_tree.
        (mark_visited_r): New function.

2008-05-23  Vincent Celier  <celier@adacore.com>

        * snames.adb: New standard name Excluded_Source_List_File.

        * snames.ads: New standard name Excluded_Source_List_File.

        * prj-attr.adb: New project level attribute Excluded_Source_List_File.

        * prj-nmsc.adb: (Find_Excluded_Sources): New parameter Project.
        Get excluded sources from
        file indicated by attribute Excluded_Source_List_File, when present and
        neither Excluded_Source_Files nor Locally_Removed_Files are declared.

2008-05-23  Robert Dewar  <dewar@adacore.com>

        * exp_dist.adb: Minor reformatting

2008-05-23  Ed Schonberg  <schonberg@adacore.com>

        * sem_attr.adb (Resolve_Attribute, case 'address): If the prefix is a
        slice, convert it to an indexed component, which is equivalent, more
        efficient, and usable even if the slice itself is not addressable.

2008-05-23  Olivier Hainque  <hainque@adacore.com>

        * gnat_ugn.texi (Calling Conventions): Document that the Intrinsic
        convention also allows access to named compiler built-in subprograms
        such as the GCC __builtin family.

2008-05-23  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb (Check_Naming_Schemes): Check a file for spec, body and
        sep. If there are several possibilities, choose the one with the
        longer prefix.

2008-05-23  Vincent Celier  <celier@adacore.com>

        * gnatlink.adb (Process_Args): Do not disable scanning of ALI file for
        back end switches when executable specified with --GCC= is same as
        default, even if there are additional options.

        * gnat_ugn.texi:
        Document when the back end switches from the ALI file are taken into
        account when gnatlink is invoked with --GCC=

2008-05-23  Thomas Quinot  <quinot@adacore.com>

        * s-os_lib.adb:
        (copy_File): Do not open destination file if source file is unreadable.

2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * utils.c (handle_type_generic_attribute): Adjust to accept
        fixed arguments before an elipsis.

2008-05-21  Thomas Quinot  <quinot@adacore.com>

        * g-sothco.ads, g-sothco.adb: New files.

2008-05-20  Thomas Quinot  <quinot@adacore.com>

        * Makefile.rtl (GNAT.Sockets.Thin_Common): New unit.

        * g-sttsne-vxworks.adb: Add missing dependency on Sockets.Constants.
        Add missing "with" of Ada.Unchecked_Conversion

        * g-soccon-linux-ppc.ads, g-soccon-linux-64.ads, g-soccon-lynxos.ads, 
        g-soccon-linux-x86.ads, g-soccon-hpux-ia64.ads, 
        g-soccon-solaris-64.ads, g-soccon-tru64.ads, g-soccon-aix.ads, 
        g-soccon-irix.ads, g-soccon-hpux.ads, g-soccon-solaris.ads, 
        g-soccon-vms.ads, g-soccon-mingw.ads, g-soccon-vxworks.ads, 
        g-socthi-vxworks.adb, g-soccon-freebsd.ads, g-soccon.ads: 
        Move common code out of GNAT.Sockets.Thin implementations and into
        Thin_Common.
        New constant SIZEOF_fd_set
        New flag Has_Sockaddr_Len
        New constants SIZEOF_sockaddr_in, SIZEOF_sockaddr_in6

        * g-stsifd-sockets.adb
        (Create): Remove call to Set_Length; use Set_Family to set the family
        and (on appropriate platforms) length fields in struct sockaddr.

        * g-socthi.adb, g-socthi.ads, g-socthi-vms.ads, g-socthi-vms.adb, 
        g-socthi-mingw.adb, g-socthi-mingw.ads, g-socthi-vxworks.adb, 
        g-soccon-darwin.ads, g-soccon-darwin.ads: New constant SIZEOF_fd_set
        Move common code out of GNAT.Sockets.Thin implementations and into
        Thin_Common.

        * g-socket.ads, g-socket.adb: 
        Move common code out of GNAT.Sockets.Thin implementations and into
        Thin_Common.
        (Connect_Socket, Accept_Socket): Provide new versions of these two
        routines that operate with a user specified timeout.
        (Bind_Socket, Connect_Socket, Send_Socket): Remove calls to Set_Length,
        this is now handled automatically by Set_Family on platforms that
        require it.

        * gen-soccon.c: 
        Move common code out of GNAT.Sockets.Thin implementations and into
        Thin_Common.
        (SIZEOF_sockaddr_in6): On platforms where IPv6 is not supported, define
        this constant to 0 (not -1) because we use it to initialize an
        unsigned_char value.
        Align values for numeric constants only.
        Handle the case of systems that do not support AF_INET6.
        New constant SIZEOF_fd_set
        New flag Has_Sockaddr_Len
        New constants SIZEOF_sockaddr_in, SIZEOF_sockaddr_in6

        * gsocket.h: New flag Has_Sockaddr_Len
        New constants SIZEOF_sockaddr_in, SIZEOF_sockaddr_in6

2008-05-20  Santiago Uruena  <uruena@adacore.com>

        * i-cobol.ads: Interfaces.COBOL should be preelaborate.

2008-05-20  Arnaud Charlet  <charlet@adacore.com>

        * s-linux-hppa.ads (atomic_lock_t): Put back proper alignment now that
        the underlying issue with malloc/free has been fixed. Remove associated
        comments.
        Minor reformatting.
        Related to PR ada/24533

2008-05-20  Robert Dewar  <dewar@adacore.com>

        * ali.adb: Correct casing of ASCII.NUL

        * styleg-c.adb (Check_Identifier): Handle case of names in ASCII
        properly.

2008-05-20  Robert Dewar  <dewar@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>

        * checks.adb (Apply_Arithmetic_Overflow_Check): Avoid intermediate
        overflow if result converted to wider integer type.
        (Apply_Type_Conversion_Checks): Don't emit checks on conversions to
        discriminated types when discriminant checks are suppressed.

2008-05-20  Vincent Celier  <celier@adacore.com>

        * cstand.adb (Print_Standard): Issue the correct Size clause for type
        Wide_Wide_Character.

2008-05-20  Tristan Gingold  <gingold@adacore.com>

        * decl.c: Do not emit a variable for a object that has an address
        representation clause whose value is known at compile time.
        When a variable has an address clause whose value is known at compile
        time, refer to this variable by using directly the address instead of
        dereferencing a pointer.

2008-05-20  Robert Dewar  <dewar@adacore.com>

        PR ada/30740
        * einfo.ads, einfo.adb (Non_Binary_Modulus): Applies to all types and
        subtypes, always False for non-modular types.
        Shared_Var_Assign_Proc (node22) and Shared_Var_Read_Proc (node 15)
        entry nodes have been replaced by Shared_Var_Procs_Instance (node22)
        for Shared_Storage package.
        (Is_RACW_Stub_Type): New entity flag.

        * exp_ch4.adb
        (Expand_N_Op_Expon): Avoid incorrect optimization of a*(2**b) in the
        case where we have a modular type with a non-binary modules.
        Comments reformattings.

        * sem_intr.adb: Simplify code not that Non_Binary_Modulus applies to
        all types.

2008-05-20  Javier Miranda  <miranda@adacore.com>

        * exp_aggr.adb
        (Build_Record_Aggr_Code): Fix wrong tests checking progenitors. Previous
        tests did not covered the case in which the type of the aggregate has
        no progenitors but some its parents has progenitors.

2008-05-20  Gary Dismukes  <dismukes@adacore.com>
            Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch3.adb
        (Expand_N_Object_Declaration): Correct the condition which triggers the
        generation of a call to Displace when initializing a class-wide object.
        (Build_Dcheck_Functions): Build discriminant-checking for null variants
        when Frontend_Layout_On_Target is true to ensure that they're available
        for calling when a record variant size function is built in Layout.

2008-05-20  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch5.adb (Expand_Assign_Record): Within an initialization
        procedure for a derived type retrieve the discriminant values from the
        parent using the corresponding discriminant.
        (Expand_N_Assignment_Statement): Skip generation of implicit
        if-statement associated with controlled types if we are
        compiling with restriction No_Finalization.

2008-05-20  Vincent Celier  <celier@adacore.com>

        * prj.adb (Hash (Project_Id)): New function
        (Project_Empty): Add new component Interfaces_Defined

        * prj.ads (Source_Data): New component Object_Linked
        (Language_Config): New components Object_Generated and Objects_Linked
        (Hash (Project_Id)): New function
        (Source_Data): New Boolean components In_Interfaces and
        Declared_In_Interfaces.
        (Project_Data): New Boolean component Interfaces_Defined

        * prj-attr.adb: 
        New project level attribute Object_Generated and Objects_Linked
        Add new project level attribute Interfaces

        * prj-dect.adb: Use functions Present and No throughout
        (Parse_Variable_Declaration): If a string type is specified as a simple
        name and is not found in the current project, look for it also in the
        ancestors of the project.

        * prj-makr.adb: 
        Replace procedure Make with procedures Initialize, Process and Finalize
        to implement H414-023: process different directories with different
        patterns.
        Use functions Present and No throughout

        * prj-makr.ads: 
        Replace procedure Make with procedures Initialize, Process and Finalize

        * prj-nmsc.adb
        (Add_Source): Set component Object_Exists and Object_Linked accordnig to
        the language configuration.
        (Process_Project_Level_Array_Attributes): Process new attributes
        Object_Generated and Object_Linked.
        (Report_No_Sources): New Boolean parameter Continuation, defaulted to
        False, to indicate that the erreor/warning is a continuation.
        (Check): Call Report_No_Sources with Contnuation = True after the first
        call.
        (Error_Msg): Process successively contnuation character and warning
        character.
        (Find_Explicit_Sources): Check that all declared sources have been found
        (Check_File): Indicate in hash table Source_Names when a declared source
        is found.
        (Check_File): Set Other_Part when found
        (Find_Explicit_Sources): In multi language mode, check if all exceptions
        to the naming scheme have been found. For Ada, report an error if an
        exception has not been found. Otherwise, disregard the exception.
        (Check_Interfaces): New procedure
        (Add_Source): When Other_Part is defined, set mutual pointers in spec
        and body.
        (Check): In multi-language mode, call Check_Interfaces
        (Process_Sources_In_Multi_Language_Mode): Set In_Interfaces to False
        for an excluded source.
        (Remove_Source): A source replacing a source in the interfaces is also
        in the interfaces.

        * prj-pars.adb: Use function Present

        * prj-part.adb: Use functions Present and No throughout
        (Parse_Single_Project): Set the parent project for child projects
        (Create_Virtual_Extending_Project): Register project with no qualifier
        (Parse_Single_Project): Allow an abstract project to be extend several
        times. Do not allow an abstract project to extend a non abstract
        project.

        * prj-pp.adb: Use functions Present and No throughout
        (Print): Take into account the full associative array attribute
        declarations.

        * prj-proc.adb: Use functions Present and No throughout
        (Expression): Call itself with the same From_Project_Node for the
        default value of an external reference.

        * prj-strt.adb: Use functions Present and No throughout
        (Parse_Variable_Reference): If a variable is specified as a simple name
        and is not found in the current project, look for it also in the
        ancestors of the project.

        * prj-tree.ads, prj-tree.adb (Present): New function
        (No): New function
        Use functions Present and No throughout
        (Parent_Project_Of): New function
        (Set_Parent_Project_Of): New procedure

        * snames.ads, snames.adb: 
        Add new standard names Object_Generated and Objects_Linked

2008-05-20  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch6.adb (Expand_Call): Add guard to ensure that both the parent
        and the derived type are of the same kind.
        (Expand_Call): Generate type conversions for actuals of
        record or array types when the parent and the derived types differ in
        size and/or packed status.

2008-05-20  Javier Miranda  <miranda@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * exp_disp.adb (Make_DT, Make_Secondary_DT, Make_Tags): Avoid
        generating dispatch tables of locally defined tagged types statically.
        Remove implicit if-statement that is no longer required.
        (Expand_Dispatching_Call): If this is a call to an instance of the
        generic dispatching constructor, the type of the first argument may be
        a subtype of Tag, so always use the base type to recognize this case.

2008-05-20  Thomas Quinot  <quinot@adacore.com>

        * exp_dist.adb
        (GARLIC_Support.Add_RACW_Read_Attribute): When a zero value is received,
        and the RACW is null-excluding, raise CONSTRAINT_ERROR instead of
        assigning NULL into the result, to avoid a spurious warning.
        (Add_RACW_Features, case Same_Scope): Add assertion that designated type
        is not frozen.
        (Add_Stub_Type): Set entity flag Is_RACW_Stub_Type on generated stub
        type.
        (Build_From_Any_Function, Build_To_Any_Function,
        Build_TypeCode_Function): For a type that has user-specified stream
        attributes, use an opaque sequence of octets as the representation.

2008-05-20  Kevin Pouget  <pouget@adacore.com>

        * exp_smem.ads, exp_smem.adb: Construction of access and assign
        routines has been replaced by an instantiation of
        System.Shared_Storage.Shared_Var_Procs generic package, while expanding
        shared variable declaration.
        Calls to access and assign routines have been replaced by calls to
        Read/Write routines of System.Shared_Storage.Shared_Var_Procs
        instantiated package.
        
        * rtsfind.ads: RE_Shared_Var_Procs entry has been added in RE_Unit_Table
        It identifies the new generic package added in s-shasto.

        * s-shasto.adb, s-shasto.ads: A new generic package has been added, it
        is instantiated for each shared passive variable. It provides
        supporting procedures called upon each read or write access by the
        expanded code.

        * sem_attr.adb:
        For this runtime unit (always compiled in GNAT mode), we allow
        stream attributes references for limited types for the case where
        shared passive objects are implemented using stream attributes,
        which is the default in GNAT's persistent storage implementation.

2008-05-20  Ed Schonberg  <schonberg@adacore.com>

        * freeze.adb
        (Freeze_Enumeration_Type): For a subtype that inherits a foreign
        convention from its base type, do not set the type to that of integer,
        because it may inherit a size clause.
        Warn on a size clause with a size different
        from that of Integer, if the type has convention C.

2008-05-20  Vincent Celier  <celier@adacore.com>

        * gnatname.adb
        (Scan_Args): Rewrite to take into account new switch --and to separate
        arguments into sections.
        (Gnatname): Call Prj.Makr.Initialize, then Prj.Makr.Process for each
        section, then Finalize.

2008-05-20  Tristan Gingold  <gingold@adacore.com>

        * init.c: Enable stack probing on ppc-linux.

        * tracebak.c: Add symbolic traceback for ppc-linux.

        * system-linux-ppc.ads: Enable stack probing on ppc-linux.

2008-05-20  Arnaud Charlet  <charlet@adacore.com>

        * Makefile.in
        (common-tools): New rule, to avoid parallel build failure on gnat tools.
        Reenable parallel builds on this Makefile.

        * Make-lang.in: Update dependencies.

2008-05-20  Robert Dewar  <dewar@adacore.com>

        * opt.ads (Treat_Restrictions_As_Warnings): New switch

        * sem_prag.adb, par-prag.adb, restrict.ads: Implement flag
        Treat_Restrictions_As_Warnings.

        * switch-c.adb: Recognize new switch -gnatr

        * usage.adb: Add line for -gnatr

2008-05-20  Hristian Kirtchev  <kirtchev@adacore.com>

        * par-ch3.adb
        (P_Access_Definition): Change the error message when parsing "access
        all" in Ada 95 mode. The message no longer forces the user to recompile
        in 05 mode only to discover that anonymous access types are not allowed
        to have "all".

2008-05-20  Hristian Kirtchev  <kirtchev@adacore.com>

        * par-ch9.adb
        (P_Protected): Update the error message on missing "-gnat05" switch when
        using interfaces in conjunction with protected types. Remove the
        incorrect error message associated with the presence of "private" after
        a "with".

2008-05-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_aggr.adb: Update comments.
        Improve previous change for PR ada/17985

2008-05-20  Thomas Quinot  <quinot@adacore.com>

        * sem_cat.adb
        (Set_Categorization_From_Scope): Do not set In_Remote_Types unless in
        the visible part of the spec of a remote types unit.
        (Validate_Remote_Access_Object_Type_Declaration):
        New local subprogram Is_Valid_Remote_Object_Type, replaces
        Is_Recursively_Limited_Private.
        (Validate_RACW_Primitives): Enforce E.2.2(14) rules: the types of all
        non-controlling formals (and the return type, even though this is not
        explicit in the standard) must support external streaming.
        (Validate_RCI_Subprogram_Declaration): Enforce E.2.3(14) rules: same
        as above for of RAS types and RCI subprograms. (The return type is not
        checked yet).
        Update comments related to RACWs designating limited interfaces per
        ARG ruling on AI05-060.

        * sem_util.ads, sem_util.adb
        (Is_Remote_Access_To_Class_Wide_Type): Only rely on Is_Remote_Types and
        Is_Remote_Call_Interface to identify RACW types in a stable and
        consistent way. We used to rely in this predicate on the privateness of
        the designated type and its ancestors, but depending on the currently
        visible private parts, this caused false negatives. We now uniformly
        rely on checks made at the point where the RACW type is declared.
        (Inspect_Deferred_Constant_Completion): Moved from Sem_Ch7.

2008-05-20  Javier Miranda  <miranda@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>
            Hristian Kirtchev  <kirtchev@adacore.com>

        * sem_ch3.adb
        (Analyze_Object_Declaration): Fix over-conservative condition
        restricting use of predefined assignment with tagged types that have
        convention CPP.
        (Analyze_Object_Declaration): Relax the check regarding deferred
        constants declared in scopes other than packages since they can be
        completed with pragma Import.
        Add missing escaping of all-caps word 'CPP' in error messages.
        (Build_Discriminated_Subtype): Do not inherit representation clauses
        from parent type if subtype already carries them, because they are
        inherited earlier during derivation and already include those that may
        come from a partial view.

        * sem_ch9.adb, sem_ch5.adb, sem_ch6.adb (Analyze_Subprogram_Body):
        Check the declarations of a subprogram body for proper deferred
        constant completion.

        * sem_ch7.ads, sem_ch7.adb
        (Inspect_Deferred_Constant_Completion): Moved to sem_util.

2008-05-20  Ed Schonberg  <schonberg@adacore.com>
            Thomas Quinot  <quinot@adacore.com>

        * sem_ch4.adb
        (Try_Indexed_Call): Handle properly a construct of the form F(S) where
        F is a parameterless function that returns an array, and S is a subtype
        mark.
        (Analyze_Call): Insert dereference when the prefix is a parameterless
        function that returns an access to subprogram and the call has
        parameters.
        Reject a non-overloaded call whose name resolves to denote
        a primitive operation of the stub type generated to support a remote
        access-to-class-wide type.

2008-05-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb
        (Note_Redundant_Use): Diagnose a redundant use within a subprogram body
        when there is a use clause for the same entity in the context.
        (Analyze_Subprogram_Renaming): A renaming_as_body is legal if it is
        created for a stream attribute of an abstract type or interface type.

2008-05-20  Thomas Quinot  <quinot@adacore.com>

        * sem_dist.ads, sem_dist.adb (Is_RACW_Stub_Type_Operation): New
        subprogram.

        * sem_type.adb
        (Add_One_Interp): Ignore any interpretation that is a primitive
        operation of an RACW stub type (these primitives are only executed
        through dispatching, never through static calls).
        (Collect_Interps): When only one interpretation has been found, set N's
        Entity and Etype to that interpretation, otherwise Entity and Etype may
        still refer to an interpretation that was ignored by Add_One_Interp,
        in which case would end up with being marked as not overloaded but with
        an Entity attribute not pointing to its (unique) correct interpretation.

2008-05-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_eval.adb
        (Eval_Slice): Warn when a slice whose discrete range is a subtype name
        denotes the whole array of its prefix.

2008-05-20  Robert Dewar  <dewar@adacore.com>

        * sem_res.adb (Resolve_Op_Not): Warn on double negation

2008-05-20  Ed Schonberg  <schonberg@adacore.com>

        * sprint.adb
        (Print_Itype): Do not modify the sloc of the component type of a
        (packed) array itype, because it is an unrelated type whose source
        location is independent of the point of creation of the itype itself.

2008-05-20  Thomas Quinot  <quinot@adacore.com>

        * uintp.adb, urealp.adb: Replace calls to Increment_Last + Set with
        Append.

2008-05-20  Robert Dewar  <dewar@adacore.com>
            Vincent Celier  <celier@adacore.com>

        * vms_data.ads: Add entry for -gnatr
        Put GNAT SYNC section in proper alpha order
        Add VMS qualifier /DISPLAY_PROGRESS equivalent to gnatmake switch -d

        * gnat_ugn.texi: Add documentation for new gnatname switch --and
        Update the style checks section
        Add documentation of -gnatr
        Add to the "Adding the Results of Compiler Checks to gnatcheck Output"
        subsection the explanation how compiler checks should be disabled for
        gnatcheck.
        Update the list of Ada 95 reserved words used by in the project language
        Add documentation for project qualifiers.
        Document that abstract projects may be extended by different projects in
        the same project tree.
        Add documentation for gnatmake switch -d

        * ug_words: Add -gnatyy VMS equivalence string.
        Add entry for -gnatr

2008-05-20  Bob Duff  <duff@adacore.com>

        * a-rttiev.adb
        (Set_Handler): Remove code from both of these that implements
        RM-D.15(15/2), because it causes a race condition and potential
        deadlock.
        (Process_Queued_Events): Add comment explaining "exception when others
        => null". Add clarifying ".all", even though implicit .all is legal
        here.

2008-05-20  Arnaud Charlet  <charlet@adacore.com>

        * s-winext.ads: Replace representation clause by pragma Pack. Gives
        equivalent representation, but has the advantage of allowing
        compilation of this file under 64 bits platforms.

        * s-os_lib.adb (Normalize_Pathname): Mark Cur_Dir constant.

        * s-osinte-irix.ads: (Alternate_Stack_Size): Add dummy declaration.

        * adaint.c: 
        Don't define dummy implementation of convert_addresses on ppc-linux.

2008-05-20  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch7.adb
        (Expand_Ctrl_Function_Call): Do not attach result to finalization list
        if expression is aggregate component.

2008-05-20  Robert Dewar  <dewar@adacore.com>

        * g-byorma.adb, gnatlink.adb, prepcomp.adb, sinfo.ads,
        sem_ch12.adb: Update comments. Minor reformatting.

        * exp_ch2.adb: Typo

        * s-unstyp.ads: Fixed some typos in comments.

2008-05-20  Arnaud Charlet  <charlet@adacore.com>

        * s-taspri-vxworks.ads (Task_Address, Task_Address_Size): New
        type/constant.

        * g-socthi-vxworks.ads: Update to latest socket changes.

        * a-caldel-vms.adb: Resync with a-caldel spec.

        * exp_ch9.ads, sem_ch8.ads, inline.adb: Minor reformatting.
        Update comments.

2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (gnat_to_gnu) <N_Validate_Unchecked_Conversion>: Account
        for dummy types pointed to by the converted pointer types.

2008-05-15  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (add_decl_expr): At toplevel, mark the TYPE_ADA_SIZE field
        of records and unions.
        (gnat_to_gnu) <N_Validate_Unchecked_Conversion>: Fix formatting.

2008-05-14  Samuel Tardieu  <sam@rfc1149.net>
            Robert Dewar <dewar@adacore.com>

        * sem_attr.adb (Analyze_Attribute, Attribute_Old case): Add
        restrictions to the prefix of 'Old.
        * sem_util.ads, sem_util.adb (In_Parameter_Specification): New.
        * gnat_rm.texi ('Old): Note that 'Old cannot be applied to local
        variables.

2008-05-13  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/24880
        PR ada/26635
        * utils.c (convert) <INTEGER_TYPE>: When converting an additive
        expression to an integral type with lower precision, use NOP_EXPR
        directly in a couple of special cases.

2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
            Ed Schonberg <schonberg@adacore.com>

        * sem_ch3.adb (Build_Derived_Record_Type): Accept statically matching
        constraint expressions.

2008-05-12  Tomas Bily  <tbily@suse.cz>

        * utils2.c (known_alignment, contains_save_expr_p)
        (gnat_mark_addressable): Use CASE_CONVERT.
        * decl.c (annotate_value): Likewise.
        * trans.c (maybe_stabilize_reference): Likewise.
        * utils2.c (build_binary_op): Use CONVERT_EXPR_P.
        * utils.c (rest_of_record_type_compilation): Likewise.
        * trans.c (protect_multiple_eval, Attribute_to_gnu)
        (protect_multiple_eval): Likewise.

2008-05-08  Andreas Schwab  <schwab@suse.de>

        * utils.c (handle_pure_attribute, init_gigi_decls): Rename
        DECL_IS_PURE to DECL_PURE_P.

2008-05-05  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (maybe_pad_type): Add ??? comment.

2008-05-03  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (components_to_record): Zero the alignment of the qualified
        union built for the variant part upon creating it.

2008-05-03  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (maybe_pad_type): Try to get a form of the type with integral
        mode even if the alignment is not a factor of the original size.  But
        make sure to create the inner field with the original size.  Reorder.
        * trans.c (addressable_p) <COMPONENT_REF>: Treat the field of a padding
        record as always addressable.
        * utils.c (convert): Deal specially with conversions between original
        and packable versions of a record type.
        * utils2.c (build_binary_op) <MODIFY_EXPR>: Be more restrictive when
        recognizing an assignment between padded objects.

2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (make_packable_type): Resize the last component to its RM size
        only if it is of an aggregate type.
        * trans.c (call_to_gnu): Fix nit in comment.
        (gnat_to_gnu): Likewise.

2008-04-30  Samuel Tardieu  <sam@rfc1149.net>

        * Makefile.in: Adapt sh4-linux target.

2008-04-29  Ed Schonberg  <schonberg@adacore.com>

        PR ada/35792
        * sem_ch3.adb (Find_Type_Name): Refuse completion of an incomplete
        tagged type by an untagged protected or task type.

2008-04-28  Eric Botcazou  <ebotcazou@adacore.com>
            Tristan Gingold  <gingold@adacore.com>

        PR ada/36007
        * decl.c (gnat_to_gnu_entity) <object>: Do not promote alignment
        of aliased objects with an unconstrained nominal subtype.
        Cap the promotion to the effective alignment of the word mode.

2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Make-lang.in (ada.tags, check-acats, ada/treeprs.ads)
        (ada/einfo.h, ada/sinfo.h, ada/nmake.adb, ada/nmake.ads):
        Use '&&' instead of ';'.

2008-04-24  Olivier Hainque  <hainque@adacore.com>

        * trans.c (Attribute_to_gnu) <case Attr_Length>: Length computation
        doesn't require signed arithmetic anymore.

2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

        * trans.c (Attribute_to_gnu): Don't set TREE_INVARIANT.
        (call_to_gnu): Don't set TREE_INVARIANT.
        * utils2.c (gnat_build_constructor): Don't set TREE_INVARIANT.

2008-04-22  Joel Sherrill <joel.sherrill@oarcorp.com>

        * s-osinte-rtems.adb: Add sigalstack function.
        * s-osinte-rtems.ads: Add SO_ONSTACK and sigalstack
        function. Add Alternate_Stack and Alternate_Stack_Size.
        Add missing process_shared field to pthread_condattr_t
        and change ss_low_priority to int from timespec.

2008-04-22  Samuel Tardieu  <sam@rfc1149.net>

        * i-forbla.adb: Link against -llapack and -lblas by default
        instead of the private -lgnalasup.

2008-04-21  Olivier Hainque  <hainque@adacore.com>

        Access to most C builtins from Ada
        * utils.c: #include "langhooks.h" and define GCC_DIAG_STYLE.
        (handle_pure_attribute, handle_novops_attribute,
        handle_nonnull_attribute, handle_sentinel_attribute,
        handle_noreturn_attribute, handle_malloc_attribute,
        handle_type_generic_attribute): New attribute handlers, from C fe.
        (gnat_internal_attribute_table): Map the new handlers.
        (gnat_init_decl_processing): Move call to gnat_install_builtins to ...
        (init_gigi_decls): ... here.
        (handle_const_attribute, handle_nothrow_attribute, builtin_decl_for):
        Move to a section dedicated to builtins processing.
        (build_void_list_node, builtin_type_for_size): New functions.
        (def_fn_type, get_nonnull_operand): Likewise.
        (install_builtin_elementary_type, install_builtin_function_types,
        install_builtin_attributes): Likewise.
        (fake_attribute_handler): Fake handler for attributes we don't
        support in Ada.
        (def_builtin_1): New function, worker for DEF_BUILTIN.
        (install_builtin_functions): New function.
        (gnat_install_builtins): Move to the builtins processing section.
        Now calling the newly introduced installers.

2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: Also promote the alignment of
        constant objects, but not exceptions.
        * trans.c (add_decl_expr): Use gnat_types_compatible_p for type
        compatibility test.
        * utils.c (create_var_decl_1): Likewise.
        * utils2.c (build_binary_op) <MODIFY_EXPR>: Also use the padded view of
        the type when copying to padded object and the source is a constructor.

2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: When trying to promote the
        alignment, reset it to zero if it would end up not being greater
        than that of the type.

2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (maybe_pad_type): Only generate the XVS parallel type if
        the padded type has a variable size.

2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>: Use the return by
        target pointer mechanism as soon as the size is not constant.

2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>

        * gigi.h (create_var_decl_1): Declare.
        (create_var_decl): Turn into a macro invoking create_var_decl_1.
        (create_true_var_decl): Likewise.
        * utils.c (create_var_decl_1): Make global and reorder parameters.
        (create_var_decl): Delete.
        (create_true_var_decl): Likewise.

2008-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: Promote the alignment of
        objects by default.
        * fe.h (Debug_Flag_Dot_A): Delete.
        * debug.adb (-gnatd.a): Update documentation.

2008-04-17  Samuel Tardieu  <sam@rfc1149.net>

        * g-socket.ads, g-socket.adb (Get_Address): Make Stream a
        "not null" parameter.

2008-04-17  Samuel Tardieu  <sam@rfc1149.net>

        * g-socket.adb: Add a message "IPv6 not supported" to the
        Socket_Error exception.

2008-04-16  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/29015
        * sem_ch12.adb (Instantiate_Type): Check whether the full view of
        the type is known instead of the underlying type.

2008-04-15  Ed Schonberg  <schonberg@adacore.com>

        PR ada/22387
        * exp_ch5.adb (Expand_Assign_Record): Within an initialization
        procedure for a derived type retrieve the discriminant values from
        the parent using the corresponding discriminant.

2008-04-15  Samuel Tardieu  <sam@rfc1149.net>
            Gary Dismukes  <dismukes@adacore.com>

        PR ada/28733
        * sem_ch8.adb (Analyze_Use_Package): Do not allow "use" of something
        which is not an entity (and hence not a package).
        (End_Use_Package): Ditto.

2008-04-15  Ed Schonberg  <schonberg@adacore.com>

        PR ada/16086
        * sem_ch12.adb (Analyze_Formal_Subprogram): The default can be any
        protected operation that matches the signature, not only an entry, a
        regular subprogram or a literal.

2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>

        * ada-tree.h (DECL_BY_COMPONENT_PTR_P): Use DECL_LANG_FLAG_3.
        * decl.c (gnat_to_gnu_entity) <object>: Call maybe_pad_type only
        if a size or alignment is specified.  Do not take into account
        alignment promotions for the computation of the object's size.
        <type>: Call maybe_pad_type only if a size or alignment is specified.
        (maybe_pad_type): Really reuse the RM_Size of the original type if
        requested.
        * trans.c (Attribute_to_gnu): Fix a couple of nits.
        * utils2.c (build_binary_op) <MODIFY_EXPR>: Merge related conditional
        statements.  Use the padded view of the type when copying between
        padded objects of the same underlying type.

2008-04-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * vms_data.ads: Fix typo in constant.
        * gen-soccon.c: Fix typo in error string.
        * gnat_rm.texi (Pragma Optimize_Alignment, Pragma Postcondition):
        Fix typos.
        * a-calcon.ads, a-calend-vms.adb, a-calend.adb, a-crdlli.ads,
        bcheck.adb, checks.adb, einfo.ads, errout.adb, erroutc.adb,
        erroutc.ads, exp_attr.adb, exp_ch11.adb, exp_ch2.adb,
        exp_ch5.adb, exp_ch9.adb, exp_ch9.ads, exp_pakd.adb,
        exp_util.adb, fmap.adb, g-soccon-linux-mips.ads,
        g-soccon-rtems.ads, g-timsta.adb, g-timsta.ads, lib-writ.ads,
        mlib-tgt-specific-linux.adb, mlib-tgt-specific-tru64.adb,
        s-interr-vxworks.adb, s-interr.adb, s-osinte-lynxos.ads,
        s-rident.ads, s-taprop-solaris.adb, s-tassta.adb, s-win32.ads,
        sem_aggr.adb, sem_attr.ads, sem_ch10.adb, sem_ch13.ads,
        sem_ch3.adb, sem_ch6.adb, sem_ch7.adb, sem_ch8.adb, sem_ch9.adb,
        sem_prag.ads, sem_res.adb, sem_util.adb, sem_util.ads,
        sinfo.ads: Fix typos in comments.

2008-04-14  Robert Dewar  <dewar@adacore.com>

        * sem_prag.adb (Analyze_Pragma, Linker_Section case): Extend error
        to every non-object and change error message.

2008-04-14  Robert Dewar  <dewar@adacore.com>

        * sem_util.ads, sem_util.adb (In_Subprogram): Remove.
        * sem_attr.adb (Anayze_Attribute): Check for Current_Subprogram
        directly.

2008-04-14  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/18680
        * sem_prag.adb (Analyze_Pragma, Linker_Section case): Refuse to
        apply pragma Linker_Section on type.

2008-04-14  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/16098
        * sem_prag.adb (Error_Pragma_Ref): New.
        (Process_Convention): Specialized message for non-local
        subprogram renaming. Detect the problem in homonyms as well.

2008-04-14  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/15915
        * sem_util.ads, sem_util.adb (Denotes_Variable): New function.
        * sem_ch12.adb (Instantiate_Object): Use it.
        * sem_ch13.adb (Analyze_Attribute_Definition_Clause): Ensure that
        storage pool denotes a variable as per RM 13.11(15).

2008-04-14  Samuel Tardieu  <sam@rfc1149.net>

        * sem_util.ads, sem_util.adb (In_Subprogram): New function.
        * sem_attr.adb (Analyze_Attribute, Attribute_Old case): Use it.

2008-04-14  Rolf Ebert  <rolf.ebert.gcc@gmx.de>

        PR ada/20822
        * xgnatugn.adb (Put_Line): New procedure, ensuring Unix
        line endings even on non-Unix platforms.

2008-04-14  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/35050
        * xref_lib.adb (Parse_Identifier_Info): Correctly parse and ignore the
        renaming information.

2008-04-13  Samuel Tardieu  <sam@rfc1149.net> 

        PR ada/17985
        * sem_aggr.adb (Valid_Ancestor_Type): A type is not an ancestor of
        itself.

2008-04-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * sfn_scan.adb, sfn_scan.ads, sinfo.ads,
        sinput-d.ads, sinput-l.adb, sinput-l.ads, sinput.ads,
        snames.ads, sprint.adb, stand.ads, stringt.ads,
        styleg.adb, styleg.ads, stylesw.adb, stylesw.ads,
        switch.ads, sysdep.c, table.adb, table.ads,
        targparm.ads, tb-gcc.c, tbuild.ads, tracebak.c,
        trans.c, tree_io.adb, treepr.adb, types.adb, types.ads,
        uintp.adb, uintp.ads, utils.c, utils2.c, validsw.ads,
        vms_conv.adb, vms_conv.ads, vms_data.ads, widechar.adb,
        widechar.ads, xeinfo.adb, xgnatugn.adb, xr_tabls.adb,
        xr_tabls.ads, xref_lib.adb, xref_lib.ads, xsinfo.adb:
        Fix comment typos.

        * sem_ch10.adb, sem_ch10.ads,
        sem_ch12.adb, sem_ch12.ads, sem_ch13.adb, sem_ch13.ads,
        sem_ch3.adb, sem_ch4.adb, sem_ch5.adb, sem_ch6.adb,
        sem_ch6.ads, sem_ch8.adb, sem_ch8.ads, sem_ch9.adb,
        sem_elab.adb, sem_elab.ads, sem_elim.ads, sem_eval.adb,
        sem_eval.ads, sem_intr.adb, sem_mech.adb, sem_mech.ads,
        sem_prag.adb, sem_prag.ads, sem_res.adb, sem_res.ads,
        sem_type.adb, sem_util.adb, sem_util.ads, sem_warn.adb,
        sem_warn.ads: Fix comment typos.

        * s-secsta.adb, s-sequio.ads, s-shasto.ads,
        s-soflin.ads, s-stalib.ads, s-stausa.adb,
        s-stausa.ads, s-strxdr.adb, s-taenca.adb, s-taenca.ads,
        s-taprob.adb, s-taprop-hpux-dce.adb, s-taprop-irix.adb,
        s-taprop-linux.adb, s-taprop-mingw.adb, s-taprop-posix.adb,
        s-taprop-solaris.adb, s-taprop-tru64.adb, s-taprop-vms.adb,
        s-taprop-vxworks.adb, s-taprop.ads, s-tarest.adb,
        s-tarest.ads, s-tasini.adb, s-tasini.ads, s-taskin.ads,
        s-tasque.ads, s-tassta.adb, s-tassta.ads, s-tasuti.ads,
        s-tpoben.adb, s-tpoben.ads, s-tpobop.adb,
        s-tpopsp-posix.adb, s-tpopsp-rtems.adb, s-tposen.adb,
        s-tposen.ads, s-traceb-hpux.adb, s-traces.ads,
        s-trafor-default.ads, s-unstyp.ads, s-utf_32.ads,
        s-vaflop.adb, s-vaflop.ads, s-valrea.adb, s-valuti.adb,
        s-wchstw.ads, s-wchwts.adb, s-wchwts.ads, scans.ads,
        scn.adb, scng.adb, seh_init.c, sem.ads, sem_aggr.adb,
        sem_attr.adb, sem_attr.ads, sem_case.adb, sem_case.ads,
        sem_cat.adb, sem_cat.ads: Fix comment typos.

2008-04-12  Joel Sherrill  <joel@oarcorp.com>

        PR ada/35825
        * g-soccon-rtems.ads: Add IP_PKTINFO as unsupported.

2008-04-12  Arnaud Charlet  <charlet@adacore.com>

        * s-linux-hppa.ads: Fix syntax errors.

2008-04-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * gnat_ugn.texi: Fix typos.
        * raise-gcc.c, repinfo.adb, repinfo.ads, restrict.adb,
        restrict.ads, rtsfind.adb, rtsfind.ads, s-arit64.ads,
        s-asthan-vms-alpha.adb, s-auxdec.ads, s-casuti.ads,
        s-fatflt.ads, s-fatgen.adb, s-fatlfl.ads,
        s-fatllf.ads, s-fatsfl.ads, s-filofl.ads,
        s-finimp.adb, s-finroo.ads, s-fishfl.ads,
        s-fvadfl.ads, s-fvaffl.ads, s-fvagfl.ads,
        s-hibaen.ads, s-htable.ads, s-imgcha.adb,
        s-imgenu.ads, s-imgint.adb, s-imgrea.adb,
        s-inmaop-dummy.adb, s-inmaop.ads, s-interr-vms.adb,
        s-interr-vxworks.adb, s-interr.adb, s-interr.ads,
        s-intman-vxworks.ads, s-intman.ads, s-mastop-irix.adb,
        s-os_lib.adb, s-os_lib.ads, s-osinte-aix.ads,
        s-osinte-darwin.ads, s-osinte-freebsd.ads,
        s-osinte-hpux.ads, s-osinte-lynxos-3.adb,
        s-osinte-lynxos-3.ads, s-osinte-lynxos.ads,
        s-osinte-rtems.ads, s-osinte-solaris-posix.ads,
        s-osprim-mingw.adb, s-osprim-vms.adb, s-parame-ae653.ads,
        s-parame-hpux.ads, s-parame-vms-alpha.ads,
        s-parame-vms-ia64.ads, s-parame-vms-restrict.ads,
        s-parame-vxworks.ads, s-parame.ads, s-parint.adb,
        s-parint.ads, s-poosiz.adb, s-proinf-irix-athread.ads,
        s-proinf.ads, s-regexp.adb, s-regpat.adb, s-regpat.ads,
        s-rident.ads: Fix comment typos.

2008-04-09  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/28305
        * sem_ch6.adb (Build_Body_To_Inline): Do not save and restore
        environment if generic instance is a top-level one.

2008-04-09  Doug Rupp  <rupp@adacore.com>

        * decl.c (validate_size): Set minimum size for fat pointers same as
        access types. Code clean ups.

        * gmem.c (xstrdup32): New macro for 32bit dup on VMS, noop otherwise
        (__gnat_gmem_a2l_initialize): Dup exename into 32 bit memory on VMS

        * s-auxdec-vms_64.ads, s-auxdec.ads (Short_Address_Size): New constant

        * s-crtl.ads (malloc32) New function, alias for malloc
        (realloc32) New function, alias for realloc

        * socket.c (__gnat_new_socket_set): Malloc fd_set in 32 bits on VMS

        * utils2.c (build_call_alloc_dealloc): Return call to short malloc if
        allocator size is 32 and default pointer size is 64.
        (find_common_type): Document assumption on t1/t2 vs lhs/rhs. Force use of
        lhs type if smaller, whatever the modes.

        * gigi.h (malloc32_decl): New macro definition

        * utils.c (init_gigi_decls): New malloc32_decl
        Various code clean ups.

        * s-asthan-vms-alpha.adb (Process_AST.To_Address): Unchecked convert to
        Task_Address vice System.Address.

        * s-taspri-vms.ads: Import System.Aux_DEC
        (Task_Address): New subtype of System.Aux_DEC.Short_Address
        (Task_Address_Size): New constant size of System.Aux_DEC.Short_Address

        * s-asthan-vms-alpha.adb (Process_AST.To_Address): Unchecked convert to
        Task_Address vice System.Address.

        * s-inmaop-vms.adb: Import System.Task_Primitives
        (To_Address): Unchecked convert to Task_Address vice System.Address

        * s-taprop-vms.adb (Timed_Delay): Always set the timer even if delay
        expires now.
        (To_Task_ID) Unchecked convert from Task_Adddress vice System.Address
        (To_Address) Unchecked convert to Task_Address vice System.Address

        * s-tpopde-vms.adb: Remove unnecessary warning pragmas

        * g-socthi-vms.ads: Add 32bit size clauses on socket access types.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * gigi.h (standard_datatypes): Add ADT_fdesc_type and ADT_null_fdesc.
        (fdesc_type_node): Define.
        (null_fdesc_node): Likewise.
        * decl.c (gnat_to_gnu_entity) <E_Access_Subprogram_Type>: If the target
        uses descriptors for vtables and the type comes from a dispatch table,
        return the descriptor type.
        * trans.c (Attribute_to_gnu) <Attr_Unrestricted_Access>: If the target
        uses descriptors for vtables and the type comes from a dispatch table,
        build a descriptor in the static case and copy the existing one in the
        non-static case.
        (gnat_to_gnu) <N_Null>: If the target uses descriptors for vtables and
        the type is a pointer-to-subprogram coming from a dispatch table,
        return the null descriptor.
        <N_Unchecked_Type_Conversion>: If the target uses descriptors for
        vtables, the source type is the descriptor type and the target type
        is a pointer type, first build the pointer.
        * utils.c (init_gigi_decls): If the target uses descriptors for vtables
        build the descriptor type and the null descriptor.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (prepend_attributes): Fix typo.
        * trans.c (Pragma_to_gnu): Likewise.
        * utils.c (gnat_genericize): Likewise.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>
            Richard Kenner  <kenner@adacore.com>

        * ada-tree.h (TYPE_PACKED_ARRAY_TYPE_P): Only set it when bit-packed.
        * decl.c (gnat_to_gnu_entity): Adjust for above change.
        <E_Record_Type>: Try to get a better form of the component for
        packing, even if it has an integral mode.
        <E_Record_Subtype>: Likewise.
        * trans.c (gnat_to_gnu): Do not require BLKmode for the special
        exception suppressing the final conversion between record types.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: If -gnatd.a and not optimizing
        alignment for space, promote the alignment of non-scalar variables with
        no size and alignment.
        * gigi.h (gnat_types_compatible_p): Declare.
        * misc.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Set to above predicate.
        * trans.c (gnat_to_gnu): Revert revision 129339 change.  Minor cleanup.
        * utils.c (gnat_types_compatible_p) : New predicate.
        (convert): Use it throughout to test for cases where a mere view
        conversion is sufficient.
        * utils2.c (build_binary_op): Minor tweaks.
        (build_unary_op): Likewise.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (adjust_packed): Expand comment.

2008-04-08  Arnaud Charlet  <charlet@adacore.com>

        * s-tasuti.ads: Use Task_Address instead of System.Address.

        * makeutl.adb (Path_Or_File_Name): New function

        * nlists.ads, itypes.ads: Update comments.

        * s-crtl.ads (malloc32, realloc32): New functions.

        * s-auxdec.ads (Short_Address_Size): New constant.

        * a-taside.adb, s-tasdeb.adb: Use Task_Address.

        * s-ststop.ads, s-ststop.adb: New file.

        * exp_tss.ads, s-taprop-lynxos.adb: Update comments.
        Minor reformatting.

2008-04-08  Pascal Obry  <obry@adacore.com>

        * g-sercom.ads, g-sercom.adb (Data_Rate): Add B115200.
        (Stop_Bits_Number): New type.
        (Parity_Check): Likewise.
        (Set): Add parameter to set the number of stop bits and
        the parity. Parameter timeout is now a duration instead
        of a plain integer.

        * g-sercom-linux.adb:
        Implement the stop bits and parity support for GNU/Linux.
        Fix handling of timeout, it must be given in tenth of seconds.
        
        * g-sercom-mingw.adb:
        Implement the stop bits and parity support for Windows.
        Use new s-win32.ads unit instead of declaring Win32 services
        directly into this body.
        Update handling of timeout as now a duration.

        * s-win32.ads, s-winext.ads: New files.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>
            Arnaud Charlet  <charlet@adacore.com>

        * s-osinte-linux-alpha.ads, s-osinte-linux-hppa.ads: Removed.

        s-taspri-posix-noaltstack.ads, s-linux.ads, s-linux-alpha.ads,
        s-linux-hppa.ads: New files. Disable alternate stack on ia64-hpux.

        * s-osinte-lynxos-3.ads,
        (Alternate_Stack): Remove when not needed. Simplify declaration
        otherwise.
        (Alternate_Stack_Size): New constant.

        s-osinte-mingw.ads, s-taprop-mingw.adb: Code clean up: avoid use of
        'Unrestricted_Access.

        * s-osinte-hpux.ads, s-osinte-solaris-posix.ads, s-osinte-aix.ads,
        s-osinte-lynxos.ads, s-osinte-freebsd.ads s-osinte-darwin.ads,
        s-osinte-tru64.ads, s-osinte-irix.ads, s-osinte-linux.ads,
        s-osinte-solaris.ads, s-osinte-vms.ads
        (SA_ONSTACK): New constant.
        (stack_t): New record type.
        (sigaltstack): New imported function.
        (Alternate_Stack): New imported variable.
        (Alternate_Stack_Size): New constant.

        * system-linux-x86_64.ads: (Stack_Check_Probes): Set to True.

        * s-taspri-lynxos.ads, s-taspri-solaris.ads, s-taspri-tru64.ads,
        s-taspri-hpux-dce.ads, s-taspri-dummy.ads, s-taspri-posix.ads,
        s-taspri-vms.ads (Task_Address): New subtype of System.Address
        (Task_Address_Size): New constant size of System.Address
        (Alternate_Stack_Size): New constant.

        * s-taprop-posix.adb, s-taprop-linux.adb (Get_Stack_Attributes): Delete.
        (Enter_Task): Do not notify stack to System.Stack_Checking.Operations.
        Establish the alternate stack if the platform makes use of n alternate
        signal stack for stack overflows.
        (Create_Task): Take into account the alternate stack in the stack size.
        (Initialize): Save the address of the alternate stack into the ATCB for
        the environment task.
        (Create_Task): Fix assertions for NPTL library (vs old LinuxThreads).

        * s-parame.adb (Minimum_Stack_Size): Increase value to 16K

        * system-linux-x86.ads: (Stack_Check_Probes): Set to True.

        * s-intman-posix.adb: 
        (Initialize): Set SA_ONSTACK for SIGSEGV if the platform makes use of an
        alternate signal stack for stack overflows.

        * init.c (__gnat_adjust_context_for_raise, Linux version): On i386 and
        x86-64, adjust the saved value of the stack pointer if the signal was
        raised by a stack checking probe.
        (HP-UX section): Use global __gnat_alternate_stack as signal handler
        stack and only for SIGSEGV.
        (Linux section): Likewise on x86 and x86-64.
        [VxWorks section]
        (__gnat_map_signal): Now static.
        (__gnat_error_handler): Not static any more.
        (__gnat_adjust_context_for_raise): New function. Signal context
        adjustment for PPC && !VTHREADS && !RTP, as required by the zcx
        propagation circuitry.
        (__gnat_error_handler): Second argument of a sigaction handler is a
        pointer, not an int, and is unused.
        Adjust signal context before mapping to exception.
        Install signal handlers for LynxOS case.

        * s-taskin.ads (Common_ATCB): New field Task_Alternate_Stack.
        (Task_Id): Set size to Task_Address_Size
        (To_Task_id): Unchecked convert from Task_Address vice System.Address
        (To_Address): Unchecked convert to Task_Address vice System.Address

        * s-tassta.adb (Task_Wrapper): Define the alternate stack and save its
        address into the ATCB if the platform makes use of an alternate signal
        stack for stack overflows.
        (Free_Task): Add call to Finalize_Attributes_Link.
        Add argument Relative_Deadline to pass the value specified for
        the task. This is not yet used for any target.

        * s-tassta.ads (Create_Task): Add argument Relative_Deadline to pass
        the value specified for the task.

2008-04-08  Arnaud Charlet  <charlet@adacore.com>

        (s-osinte-vxworks6.ads): Removed, merged with s-osinte-vxworks.ads/.adb
        (s-vxwext.ads, s-vxwext-kernel.ads, s-vxwext-rtp.ads,
        s-vxwext-rtp.adb): New files.

        * s-taprop-vxworks.adb, s-osinte-vxworks.ads, s-osinte-vxworks.adb: 
        Minor updates to accomodate changes above.

2008-04-08  Pascal Obry  <obry@adacore.com>

        * a-exetim-mingw.adb, s-gloloc-mingw.adb, s-taprop-mingw.adb,
        s-tasinf-mingw.ad{s,b}, s-taspri-mingw.ads:
        Use new s-win32.ads unit instead of declaration
        from s-osinte-mingw.ads.
        
        * s-osinte-mingw.ads:
        Move all non tasking based interface to s-win32.ads.
        
        * s-osprim-mingw.adb:
        Remove duplicated declarations and use s-win32.ads
        unit instead.

2008-04-08  Vincent Celier  <celier@adacore.com>
            Arnaud Charlet  <charlet@adacore.com>

        * mlib-tgt-aix.adb, mlib-tgt-darwin.adb, mlib-tgt-hpux.adb,
        mlib-tgt-irix.adb, mlib-tgt-linux.adb, mlib-tgt-lynxos.adb,
        mlib-tgt-solaris.adb, mlib-tgt-tru64.adb, mlib-tgt-vms.adb,
        mlib-tgt-vms.ads, mlib-tgt-vms-alpha.adb, mlib-tgt-vms-ia64.adb,
        mlib-tgt-vxworks.adb, mlib-tgt-mingw.adb: Renamed into...

        * mlib-tgt-specific-aix.adb, mlib-tgt-specific-darwin.adb,
        mlib-tgt-specific-hpux.adb, mlib-tgt-specific-irix.adb,
        mlib-tgt-specific-linux.adb, mlib-tgt-specific-lynxos.adb,
        mlib-tgt-specific-solaris.adb, mlib-tgt-specific-tru64.adb,
        mlib-tgt-vms_common.adb, mlib-tgt-vms_common.ads,
        mlib-tgt-specific-vms-alpha.adb, mlib-tgt-specific-vms-ia64.adb,
        mlib-tgt-specific-vxworks.adb, mlib-tgt-specific-xi.adb,
        mlib-tgt-specific-mingw.adb: New names.

        * Makefile.in: 
        On VxWorks platforms use s-stchop-limit.ads for s-stchop.ads
        Get rid of gnatbl.
        (EXTRA_GNATRTL_NONTASKING_OBJS): Add s-win32.o
        Files mlib-tgt-*.adb have been renamed mlib-tgt-specific-*.adb
        Minor updates for VMS

        * gnatbl.c: Removed.

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * g-expect-vms.adb, a-textio.adb, a-witeio.adb, exp_dbug.adb,
        g-expect.adb, g-locfil.adb, gnatchop.adb, gnatdll.adb, gnatlbr.adb,
        gnatmem.adb, g-regist.adb, i-vxwork.ads, mlib-utl.adb, i-vxwork-x86.ads,
        a-ztexio.adb, g-enblsp-vms-alpha.adb, g-enblsp-vms-ia64.adb,
        s-os_lib.adb, s-regpat.adb, s-regpat.ads: Fix incorrect casing of
        ASCII.NUL throughout.

2008-04-08  Arnaud Charlet  <charlet@adacore.com>
            Matthew Heaney  <heaney@adacore.com>

        * a-cgcaso.adb, a-convec.adb: (Swap, Sift): Avoid use of complex
        renaming.

        * a-cgaaso.ads, a-secain.ads, a-slcain.ads, a-shcain.ads,  
        a-crdlli.ads, a-coormu.ads, a-ciormu.ads: modified header to conform
        to convention for non-RM specs.
        Add descriptive header, and documented each operation
        document each operation

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Bob Duff  <duff@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * alloc.ads: Add entries for Obsolescent_Warnings table

        * einfo.ads, einfo.adb: Minor reformatting.
        (Is_Discriminal): New subprogram.
        (Is_Prival): New subprogram.
        (Is_Protected_Component): New subprogram.
        (Is_Protected_Private): Removed.
        (Object_Ref, Set_Object_Ref): Removed.
        (Prival, Set_Prival): Change assertion.
        (Privals_Chain, Set_Privals_Chain): Removed.
        (Prival_Link, Set_Prival_Link): New subprogram.
        (Protected_Operation, Set_Protected_Operation): Removed.
        (Protection_Object, Set_Protection_Object): New subprogram.
        (Write_Field17_Name): Remove case for Object_Ref.
        (Write_Field20_Name): Add case for Prival_Link.
        (Write_Field22_Name): Remove case for Protected_Operation,
        Privals_Chain.
        Add case for Protection_Object.
        (Can_Use_Internal_Rep): Make this into a [base type only] attribute,
        so clients
        (Overlays_Constant): New flag
        (Is_Constant_Object): New predicate
        (Is_Standard_Character_Type): New predicate
        (Optimize_Alignment_Space): New flag
        (Optimize_Alignment_Time): New flag
        (Has_Postconditions): New flag
        (Obsolescent_Warrning): Field removed
        (Spec_PPC_List): New field
        (Relative_Deadline_Variable, Set_Relative_Deadline_Variable): Add
        subprograms to get and set the relative deadline associated to a task.

        * exp_attr.adb (May_Be_External_Call): Account for the case where the
        Access attribute is part of a named parameter association.
        (Expand_Access_To_Protected_Op): Test for the attribute occurring
        within an init proc and use that directly as the scope rather than
        traversing up to the protected operation's enclosing scope. Only apply
        assertion on Is_Open_Scopes in the case the scope traversal is done.
        For the init proc case use the address of the first formal (_init) as
        the protected object reference.
        Implement Invalid_Value attribute
        (Expand_N_Attribute_Reference): Case Attribute_Unrestricted_Access.
        contents of the dispatch table there is no need to duplicate the
        itypes associated with record types (i.e. the implicit full view
        of private types).
        Implement Enum_Val attribute
        (Expand_N_Attribute_Reference, case Old): Properly handle appearence
        within _Postconditions procedure
        (Expand_N_Attribute_Reference, case Result): Implement new attribute

        * exp_ch5.adb (Expand_N_Simple_Return_Statement): Handle case in which
        a return statement calls a function that is not available in
        configurable runtime.
        (Analyze_If_Statement): don't optimize simple True/False cases in -O0
        (Expand_Non_Function_Return): Generate call to _Postconditions proc
        (Expand_Simple_Function_Return): Ditto

        * frontend.adb: Add call to Sem_Aux.Initialize

        * sem_aux.ads, sem_aux.adb: New file.

        * par-prag.adb: Add entries for pragmas Precondition/Postcondition
        Add new Pragma_Relative_Deadline.
        Add support for pragmas Check and Check_Policy

        * sem_attr.ads, sem_attr.adb (Check_Not_CPP_Type): New subprogram.
        (Check_Stream_Attribute): Add missing check (not allowed in CPP types)
        (Analyze_Attribute): In case of attributes 'Alignment and 'size add
        missing check because they are not allowed in CPP tagged types.
        Add Sure parameter to Note_Possible_Modification calls
        Add implementation of Invalid_Value attribute
        Implement new attribute Has_Tagged_Values
        Implement Enum_Val attribute
        (Analyze_Attribute, case Range): Set Name_Req True for prefix of
        generated attributes.
        (Analyze_Attribute, case Result): If prefix of the attribute is
        overloaded, it always resolves to the enclosing function.
        (Analyze_Attribute, case Result): Properly deal with analysis when
        Postconditions are not active.
        (Resolve_Attribute, case Result): Properly deal with appearence during
        preanalysis in spec.
        Add processing for attribute Result

        * sem_ch6.ads, sem_ch6.adb (Check_Overriding_Indicator): Code cleanup
        for operators.
        (Analyze_Subprogram_Body): Install private_with_clauses when the body
        acts as a spec.
        (Check_Inline_Pragma): recognize an inline pragma that appears within
        the subprogram body to which it applies.
        (Analyze_Function_Return): Check that type of the expression of a return
        statement in a function with a class-wide result is not declared at a
        deeper level than the function.
        (Process_PPCs): Deal with enabling/disabling, using PPC_Enabled flag
        (Verify_Overriding_Indicator): Handle properly subprogram bodies for
        user- defined operators.
        (Install_Formals): Moved to spec to allow use from Sem_Prag for
        analysis of precondition/postcondition pragmas.
        (Analyze_Subprogram_Body.Last_Real_Spec_Entity): New name for
        Last_Formal, along with lots of comments on what this is about
        (Analyze_Subprogram_Body): Fix case where we move entities from the
        spec to the body when there are no body entities (now possible with
        precondition and postcondition pragmas).
        (Process_PPCs): New procedure
        (Analyze_Subprogram_Body): Add call to Process_PPCs

        * sem_ch8.adb (Use_One_Type): refine warning on a redundant use_type
        clause.
        (Pop_Scope): Restore Check_Policy_List on scope exit
        (Push_Scope): Save Check_Policy_List on scope entry
        Change name In_Default_Expression      => In_Spec_Expression
        Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
        Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve
        (Analyze_Object_Renaming): Allow 'Reference as object
        (Analyze_Pragma, case Restriction_Warnings): Call GNAT_Pragma
        (Process_Restrictions_Or_Restriction_Warnings): Check for bad spelling
        of restriction identifier.
        Add Sure parameter to Note_Possible_Modication calls

        * sem_prag.ads, sem_prag.adb (Analyze_Pragma, case Stream_Convert):
        Don't check for primitive operations when calling Rep_Item_Too_Late.
        (Process_Import_Or_Interface): Do not place flag on formal
        subprograms.
        (Analyze_Pragma, case Export): If the entity is a deferred constant,
        propagate information to full view, which is the one elaborated by the
        back-end.
        (Make_Inline): the pragma is effective if it applies to an internally
        generated subprogram declaration for a body that carries the pragma.
        (Analyze_Pragma, case Optimize_Alignment): Set new flag
        Optimize_Alignment_Local.
        (Analyze_PPC_In_Decl_Part): New procedure
        (Get_Pragma_Arg): Moved to outer level
        (Check_Precondition_Postcondition): Change to allow new visibility
        rules for package spec
        (Analyze_Pragma, case Check_Policy): Change placement rules to be
        same as pragma Suppress/Unsuppress.
        Change name In_Default_Expression      => In_Spec_Expression
        Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
        Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve
        (Check_Precondition_Postcondition): Do proper visibility preanalysis
        for the case of these pragmas appearing in the spec.
        (Check_Enabled): New function
        (Initialize): New procedure
        (Tree_Read): New procedure
        (Tree_Write): New procedure
        (Check_Precondition_Postcondition): New procedure
        Implement pragmas Check and Check_Policy
        Merge Assert processing with Check

        * sem_warn.adb (Warn_On_Known_Condition): Handle pragma Check
        New warning flag -gnatw.e

        * sinfo.ads, sinfo.adb (Has_Relative_Deadline_Pragma): New function
        returning whether a task (or main procedure) has a pragma
        Relative_Deadline.
        (Set_Has_Relative_Deadline_Pragma): Procedure to indicate that a task
        (or main procedure) has a pragma Relative_Deadline.
        Add Next_Pragma field to N_Pragma node
        (PPC_Enabled): New flag
        (Next_Pragma): Now used for Pre/Postcondition processing

        * snames.h, snames.ads, snames.adb: New standard name
        Inherit_Source_Path
        Add entry for 'Invalid_Value attribute
        Add entry for new attribute Has_Tagged_Values
        Add entry for Enum_Val attribute
        Add new standard names Aggregate, Configuration and Library.
        Add _Postconditions
        Add _Result
        Add Pragma_Precondition
        Add Pragma_Postcondition
        Add Attribute_Result
        New standard name Archive_Builder_Append_Option
        (Preset_Names): Add _relative_deadline and relative_deadline definitions
        There was also a missing non_preemptive_within_priorities.
        (Get_Pragma_Id, Is_Pragma_Name): Add support for pragma
        Relative_Deadline.
        Add support for pragmas Check and Check_Policy

        * tree_gen.adb: Call Sem_Aux.Tree_Write

        * tree_in.adb: Call Sem_Aux.Tree_Read

        * exp_ch11.adb (Expand_N_Raise_Statement): New Build_Location calling
        sequence

        * exp_intr.adb (Expand_Source_Info): New Build_Location calling
        sequence

        * exp_prag.adb (Expand_Pragma_Relative_Deadline): New procedure.
        (Expand_N_Pragma): Call the appropriate procedure for expanding pragma
        Relative_Deadline.
        (Expand_Pragma_Check): New procedure

        * sinput.ads, sinput.adb (Build_Location_String): Now appends to name
        buffer.

        * sinfo.adb (PPC_Enabled): New flag

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>
            Javier Miranda  <miranda@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * fe.h: Remove global Optimize_Alignment flag, no longer used

        * layout.adb: Test Optimize_Alignment flags rather than global switch

        * lib.ads, lib.adb: New OA_Setting field in library record

        * lib-load.adb: New OA_Setting field in library record

        * lib-writ.ads, lib-writ.adb (Collect_Withs, Write_With_Lines): Place
        units mentioned in limited_with_ clauses in the ali file, with an
        'Y' marker.
        New Ox fields in U line

        * opt.adb: New flag Optimize_Alignment_Local
        (Check_Policy_List[_Config]): New flags

        * opt.ads (Invalid_Value_Used): New flag
        New switch Optimize_Alignment_Local
        (Warn_On_Parameter_Order): New flag
        (Check_Policy_List[_Config]): New flags

        * ali.ads, ali.adb: Add indicator 'Y' to mark mark the presence of
        limited_with clauses.
        New data structures for Optimize_Alignment

        * bcheck.adb (Check_Consistent_Restriction_No_Default_Initialization):
        New procedure
        (Check_Consistent_Optimize_Alignment): Rework for new structure
        (Check_Consistent_Restrictions): Fix incorrect error message

        sem_ch10.adb (Decorate_Tagged_Type): Set the Parent field of a newly
        created class-wide type (to the Parent field of the specific type).
        (Install_Siblings): Handle properly private_with_clauses on subprogram
        bodies and on generic units.
        (Analyze_With_Clause, Install_Limited_Withed_Unit): Guard against an
        illegal limited_with_clause that names a non-existent package.
        (Check_Body_Required): Determine whether a unit named a limited_with
        clause needs a body.
        (Analyze_Context): A limited_with_clause is illegal on a unit_renaming.
        Capture Optimize_Alignment settings to set new OA_Setting field in
        library record.
        (Build_Limited_Views): Include task and protected type declarations.

        * sem_ch3.ads, sem_ch3.adb (Analyze_Object_Declaration): Handle the
        case of a possible constant redeclaration where the current object is
        an entry index constant.
        (Analyze_Object_Declaration): Generate an error in case of CPP
        class-wide object initialization.
        (Analyze_Object_Declaration): Add extra information on warnings for
        declaration of unconstrained objects.
        (Access_Type_Declaration): Set Associated_Final_Chain to Empty, to avoid
        conflicts with the setting of Stored_Constraint in the case where the
        access type entity has already been created as an E_Incomplete_Type due
        to a limited with clause.
        Use new Is_Standard_Character_Type predicate
        (Analyze_Object_Declaration): Apply access_constant check only after
        expression has been resolved, given that it may be overloaded with
        several access types.
        (Constant_Redeclaration): Additional legality checks for deferred
        constant declarations tha involve anonymous access types and/or null
        exclusion indicators.
        (Analyze_Type_Declaration): Set Optimize_Alignment flags
        (Analyze_Subtype_Declaration): Ditto
        (Analyze_Object_Declaration): Ditto
        (Analyze_Object_Declaration): Don't count tasks in generics
        Change name In_Default_Expression      => In_Spec_Expression
        Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
        Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve
        (Process_Discriminants): Additional check for illegal use of default
        expressions in access discriminant specifications in a type that is not
        explicitly limited.
        (Check_Abstract_Overriding): If an inherited function dispaches on an
        access result, it must be overridden, even if the type is a null
        extension.
        (Derive_Subprogram): The formals of the derived subprogram have the
        names and defaults of the parent subprogram, even if the type is
        obtained from the actual subprogram.
        (Derive_Subprogram): In the presence of interfaces, a formal of an
        inherited operation has the derived type not only if it descends from
        the type of the formal of the parent operation, but also if it
        implements it. This is relevant for the renamings created for the
        primitive operations of the actual for a formal derived type.
        (Is_Progenitor): New predicate, to determine whether the type of a
        formal in the parent operation must be replaced by the derived type.

        * sem_util.ads, sem_util.adb (Has_Overriding_Initialize): Make
        predicate recursive to handle components that have a user-defined
        Initialize procedure. Handle controlled derived types whose ancestor
        has a user-defined Initialize procedured.
        (Note_Possible_Modification): Add Sure parameter, generate warning if
        sure modification of constant
        Use new Is_Standard_Character_Type predicate
        (Find_Parameter_Type): when determining whether a protected operation
        implements an interface operation, retrieve the type of the formal from
        the entity when the formal is an access parameter or an
        anonymous-access-to-subprogram.
        Move Copy_Parameter_List to sem_util, for use when building stubbed
        subprogram bodies.
        (Has_Access_Values): Tagged types now return False
        (Within_HSS_Or_If): New procedure
        (Set_Optimize_Alignment_Flags): New procedure
        Change name In_Default_Expression      => In_Spec_Expression
        Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
        Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve

2008-04-08  Tristan Gingold  <gingold@adacore.com>

        * s-fileio.adb: Name_Error shouldn't be raised for a tempory file.

2008-04-08  Tristan Gingold  <gingold@adacore.com>

PR ada/10768

        * cuintp.c: Fix 16 bits issue for AVR.
        On AVR, integer is 16 bits, so it can't be used to do math with
        Base (=32768).
        So use long_integer instead.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-calend-vms.ads, a-calend-vms.adb: Add with and use clause for
        System.OS_Primitives.
        Change type of various constants, parameters and local variables from
        Time to representation type OS_Time.
        (To_Ada_Time, To_Unix_Time): Correct sign of origin shift.
        Remove the declaration of constant Mili_F from several routines. New
        body for internal package Conversions_Operations.
        (Time_Of): Add default parameters for several formals.

        * a-caldel.adb: Minor reformatting

        * a-calend.ads, a-calend.adb: New body for internal package
        Conversions_Operations.
        (Time_Of): Add default parameters for several formals.

        * Makefile.rtl: Add a-ststop
        Add Ada.Calendar.Conversions to the list of runtime files.
        Add g-timsta

        * a-calcon.adb, a-calcon.ads: New files.

2008-04-08  Jose Ruiz  <ruiz@adacore.com>
            Tristan Gingold  <gingold@adacore.com>

        * s-interr-dummy.adb, s-interr-vms.adb, s-interr-sigaction.adb
        (Install_Restricted_Handlers): New procedure
        which is a simplified version of Install_Handlers that does not store
        previously installed.

        * s-interr-vxworks.adb: Fix ACATS cxc3001
        On VxWorks interrupts can't be detached.
        (Install_Restricted_Handlers): New procedure.

        * s-interr.ads, s-interr.adb (Install_Restricted_Handlers): New
        procedure.

2008-04-08  Olivier Hainque  <hainque@adacore.com>

        * s-intman-vxworks.ads, s-intman-vxworks.adb
        (Map_And_Raise_Exception): Remove. Was an import of only part of the
        required services already implemented elsewhere.
        (Notify_Exception): Delete body, import __gnat_error_handler instead.
        (Initialize): Add SA_SIGINFO to the sa_flags, to get the sigcontext
        argument passed to the handler, which we need for ZCX propagation
        purposes.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

        * adaint.h, adaint.c (__gnat_current_time_string): New routine.

        * g-timsta.adb, g-timsta.ads: New files.

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * a-except-2005.ads, a-except-2005.adb, a-except.ads, a-except.adb
        (Raise_Exception): In accordance with AI-446, raise CE for Null_Id
        (Raise_Exception_Always): Fix documentation accordingly

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * a-strbou.ads, a-strbou.adb (From_String): New procedure (for use by
        Stream_Convert)

        * sem_ch13.ads (Rep_Item_Too_Late): Document that Stream_Convert sets
        FOnly

2008-04-08  Javier Miranda  <miranda@adacore.com>
            Robert Dewar  <dewar@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * a-tags.adb (Register_Interface_Offset): New subprogram.
        (Set_Dynamic_Offset_To_Top): New subprogram (see previous comment).
        (To_Predef_Prims_Table_Ptr): Removed.
        (Acc_Size): Removed.
        (To_Acc_Size): Removed.
        (Parent_Size): Modified to the call the subprogram returning the size of
        the parent by means of the new TSD component Size_Func.

        * a-tags.ads (Offset_To_Top_Ptr): New access type declaration.
        (DT_Offset_To_Top_Offset): New constant value that is used to generate
        code referencing the Offset_To_Top component of the dispatch table's
        prologue.
        (Prim_Ptr): New declaration of access to procedure. Used to avoid the
        use of 'address to initialize dispatch table slots.
        (Size_Func): New component of the TSD. Used by the run-time to call the
        size primitive of the tagged type.

        * checks.adb (Apply_Access_Check): Avoid check when accessing the
        Offset_To_Top component of a dispatch table.
        (Null_Exclusion_Static_Checks): If the non-null access type appears in a
        deferred constant declaration. do not add a null expression, to prevent
        spurious errors when full declaration is analyzed.
        (Apply_Discriminant_Check): If both discriminant constraints share a
        node which is not static but has no side effects, do not generate a
        check for that discriminant.
        (Generate_Index_Checks): Set Name_Req to true in call to duplicate
        subexpr, since the prefix of an attribute is a name.

        * checks.ads: Fix nit in comment.

        * exp_ch3.ads, exp_ch3.adb (Freeze_Record_Type): Do not add the spec
        and body of predefined primitives in case of CPP tagged type
        derivations.
        (Freeze_Type): Deal properly with no storage pool case
        (Make_Predefined_Primitive_Specs): Generate specification of abstract
        primitive Deep_Adjust if a nonlimited interface is derived from a
        limited interface.
        (Build_Dcheck_Functions): Create discriminant-checking functions only
        for variants that have some component(s).
        (Build_Slice_Assignment): In expanded code for slice assignment, handle
        properly the case where the slice bounds extend to the last value of the
        underlying representation.
        (Get_Simple_Init_Val): New calling sequence, accomodate Invalid_Value
        (Is_Variable_Size_Record): An array component has a static size if
        index bounds are enumeration literals.

        * exp_disp.adb (Make_DT): Use the first subtype to determine whether
        an external tag has been specified for the type.
        (Building_Static_DT): Add missing support for private types.
        (Make_DT): Add declaration of Parent_Typ to ensure consistent access
        to the entity associated with the parent of Typ. This is done to
        avoid wrong access when the parent is a private type.
        (Expand_Interface_Conversion): Improve error message when the
        configurable runtime has no support for dynamic interface conversion.
        (Expand_Interface_Thunk): Add missing support to interface types in
        configurable runtime.
        (Expand_Dispatching_Call): remove obsolete code.
        (Make_DT): Replace occurrences of RE_Address by RE_Prim_Ptr, and
        ensure that all subtypes and aggregates associated with dispatch
        tables have the attribute Is_Dispatch_Table_Entity set to true.
        (Register_Primitive): Rename one variable to improve code reading.
        Replace occurrences of RE_Addres by RE_Prim_Ptr. Register copy o
        of the pointer to the 'size primitive in the TSD.

        * rtsfind.ads (RE_DT_Offset_To_Top_Offset): New entity.
        (RE_Offset_To_Top_Ptr): New entity.
        (RE_Register_Interface_Offset): New entity.
        (RE_Set_Dynamic_Offset_To_Top): New entity.
        (RE_Set_Offset_To_Top): Removed entity.
        (RE_Prim_Ptr): New entity
        (RE_Size_Func): New entity
        (RE_Size_Ptr): New entity
        (RTU_Id): Add Ada_Dispatching and Ada_Dispatching_EDF.
        (Ada_Dispatching_Child): Define this new subrange.
        (RE_Id): Add new required run-time calls (RE_Set_Deadline, RE_Clock,
         RE_Time_Span, and RE_Time_Span_Zero).
        (RE_Unit_Table): Add new required run-time calls

        * rtsfind.adb (Get_Unit_Name): Add processing for Ada.Dispatching
        children.

        * exp_atag.ads, exp_atag.adb (Build_Offset_To_Top): New subprogram.
        (Build_Set_Static_Offset_To_Top): New subprogram. Generates code that
         initializes the Offset_To_Top component of a dispatch table.
        (Build_Predef_Prims): Removed.
        (Build_Get_Predefined_Prim_Op_Address): Replace call to Predef_Prims by
         its actual code.
        (Build_Set_Size_Function): New subprogram.

        * exp_ch13.adb: Do not generate storage variable for storage_size zero
        (Expand): Handle setting/restoring flag Inside_Freezing_Actions

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * a-ztdeau.adb, a-tideau.adb, a-wtdeau.adb (Puts_Dec): Fix error in
        computing Fore when Exp > 0

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * back_end.adb: Remove Big_String_Ptr declarations (now in Types)

        * errout.adb: Remove Big_String_Ptr declarations (now in Types)
        Change name Is_Style_Msg to Is_Style_Or_Info_Msg

        * fmap.adb: Remove Big_String declarations (now in Types)
        (No_Mapping_File): New Boolean global variable
        (Initialize): When mapping file cannot be read, set No_Mapping_File to
        False.
        (Update_Mapping_File): Do nothing if No_Mapping_File is True. If the
        tables were empty before adding entries, open the mapping file
        with Truncate = True, instead of delete/re-create.

        * fname-sf.adb: Remove Big_String declarations (now in Types)

        * s-strcom.adb, g-dyntab.ads, g-table.ads, s-carsi8.adb,
        s-stalib.ads, s-carun8.adb: Add zero size Storage_Size clauses for
        big pointer types

        * table.ads: Add for Table_Ptr'Storage_Size use 0

        * types.ads: Add Big_String declarations
        Add Size_Clause of zero for big pointer types

2008-04-08  Vincent Celier  <celier@adacore.com>

        * clean.adb (Parse_Cmd_Line): Recognize switch --subdirs=
        (Usage): Add line for switch --subdirs=
        Add new switch -eL, to follow symbolic links when processing project
        files.

        * gnatcmd.adb: Process switches -eL and --subdirs=
        (Non_VMS_Usage): Output "gnaampcmd" instead of "gnat", and call
        Program_Name to get proper tool names when AAMP_On_Target is set.
        (Gnatcmd): Call Add_Default_Search_Dirs and Get_Target_Parameters to get
        AAMP_On_Target set properly for use of GNAAMP tools (this is needed by
        Osint.Program_Name).

        * gnatname.adb: (Scan_Args): Recognize switches -eL and --subdirs=
        (Usage): Add lines for switches -eL and --subdirs=

        * makeusg.adb: Add line for switch --subdirs=

        * prj.ads: 
        (Source_Data): New Boolean component Compiled, defaulted to True
        (Empty_File_Name: New global variable in private part, initialized in
        procedure Initialize.
        (Subdirs_Option): New constant string
        (Subdirs): New String_Ptr global variable
        (Language_Config): New component Include_Compatible_Languages
        (Project_Qualifier): New type for project qualifiers
        (Project_Data): New component Qualifier
        (Project_Configuration): New component Archive_Builder_Append_Option

        * prj-nmsc.adb (Get_Unit_Exceptions): When a unit is already in
        another imported project indicate the name of this imported project.
        (Check_File): When a unit is in two project files, indicate the project
        names and the paths of the source files for each project.
        (Add_Source): Set Compiled to False if compiler driver is empty. Only
        set object, dependency and switches file names if Compiled is True.
        (Process_Compiler): Allow the empty string for value of attribute Driver
        (Get_Directories): When Subdirs is not null and Object_Dir is not
         specified, locate and create if necessary the actual object dir.
        (Locate_Directory): When Subdirs is not empty and Create is not the
        empty string, locate and create if necessary the actual directory
        as a subdirectory of directory Name.
        (Check_Library_Attributes.Check_Library): Allow a project where the only
        "sources" are header files of file based languages to be imported by
        library projects, in multi-language mode (gprbuild).
        (Check_Library_Attributes.Check_Library): In multi-language mode
        (gprbuild), allow a library project to import a project with no
        sources, even when this is not declared explicitly.
        (Check_If_Externally_Built): A virtual project extending an externally
        built project is also externally built.
        (Check_Library_Attributes): For a virtual project extending a library
        project, inherit the library directory.
        (Process_Project_Level_Array_Attributes): Process new attribute
        Inherit_Source_Path.
        For projects with specified qualifiers "standard", "library" or
        "abstract", check that the project conforms to the qualifier.
        (Process_Project_Level_Simple_Attributes): Process new attribute
         Archive_Builder_Append_Option.

        * switch-m.adb: (Scan_Make_Switches): Process switch --subdirs=
        (Normalize_Compiler_Switches): Only keep compiler switches that are
        passed to gnat1 by the gcc driver and that are stored in the ALI file
        by gnat1.
        Do not take into account switc -save-temps

        * makegpr.adb (Compile_Link_With_Gnatmake): Transmit switch -eL if
        gprmake is called with -eL.
        (Scan_Arg): Recognize switch -eL
        (Usage): Add line for switch -eL

        * prj.adb (Initialize): Initialize Empty_File_Name
        (Project_Empty): New component Qualifier

        * prj-attr.ads, prj-attr.adb: New project level attribute
        Inherit_Source_Path.
        New project level attribute Archive_Builder_Append_Option

        * prj-dect.adb: Replace System.Strings by GNAT.Strings.

        * prj-ext.adb (Initialize_Project_Path): In Multi_Language mode, add
        <prefix>/lib/gnat in the project path, after <prefix>/share/gpr, for
        upward compatibility.

        * prj-part.adb (Project_Path_Name_Of.Try_Path): In high verbosity, put
        each Trying ..." on different lines.
        (Parse_Single_Project): Recognize project qualifiers. Fail in qualifier
        is "configuration" when not in configuration. Fail when in configuration
        when a specified qualifier is other than "configuration".

        * prj-proc.adb (Process_Declarative_Items): Link new elements of copied
        full associative array together.
        (Recursive_Process): Put the project qualifier in the project data
        
        * prj-tree.ads, prj-tree.adb: (Project_Qualifier_Of): New function
        (Set_Project_Qualifier_Of): New procedure

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * errout.ads: Update comments for new handling of info: messages

        * erroutc.adb (Matches): New procedure
        (Warning_Specifically_Suppressed): Modified to handle multiple * chars
        (Is_Style_Or_Info_Msg): New name for Is_Style_Msg, now set for
         info messages as well as style messages.

        * erroutc.ads: Remove unneeded fields from Specific_Warning_Entry

        * sem_elab.adb (Supply_Bodies): Create actual bodies for stubbed
        subprograms.
        (Check_A_Call): Special "info: " warnings now have ? in the text
        (Elab_Warning): Use info message in static case

2008-04-08  Ed Schonberg  <schonberg@adacore.com>

        * exp_aggr.adb (Static_Array_Aggregate): Use Max_Aggr_Size to determine
        whether an array aggregate with static bounds and scalar components
        should be expanded into a static constant.

2008-04-08  Gary Dismukes  <dismukes@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>

        * sem_cat.adb (Validate_RCI_Subprogram_Declaration): Add tests of
        Has_Stream_Attribute_ Definition when checking for available stream
        attributes on parameters of a limited type in Ada 2005. Necessary for
        proper recognition of visible stream attribute clauses.
        (Has_Stream_Attribute_Definition): If the type is derived from a
        private type, then use the derived type's underlying type for checking
        whether it has stream attributes.
        (Validate_Object_Declaration): The check for a user-defined Initialize
        procedure applies also to types with controlled components or a
        controlled ancestor.
        Reject an object declaration in a preelaborated unit if the type is a
        controlled type with an overriding Initialize procedure.
        (Validate_Remote_Access_To_Class_Wide_Type): Return without further
        checking when the parent of a dereference is a selected component and
        the name has not been analyzed.

        * sem_ch4.adb (Analyze_Selected_Component): Add checking for selected
        prefixes that are invalid explicit dereferences of remote
        access-to-class-wide values, first checking whether the selected
        component is a prefixed form of call to a tagged operation.
        (Analyze_Call): Remove code that issues an error for limited function
        calls in illegal contexts, as we now support all of the contexts that
        were forbidden here.
        Allow a function call that returns a task.and appears as the
        prefix of a selected component.
        (Analyze_Reference): Give error message if we try to make a 'Reference
        for an object that is atomic/aliased without its type having the
        corresponding attribute.
        (Analyze_Call): Remove condition checking for attributes to allow
        calls to functions with inherently limited results as prefixes of
        attributes. Remove related comment about Class attributes.
        (Analyze_Selected_Component): If the prefix is a remote type, check
        whether this is a prefixed call before reporting an error.
        (Complete_Object_Operation): If the controlling formal is an access to
        variable reject an actual that is a constant or an access to one.
        (Try_Object_Operation): If prefix is a tagged protected object,retrieve
        primitive operations from base type.

        * exp_ch4.adb (Expand_N_Indexed_Component): Test for prefix that is a
        build-in-place
        function call and call Make_Build_In_Place_Call_In_Anonymous_Context.
        (Expand_N_Selected_Component): Test for prefix that is a build-in-place
        function call and call Make_Build_In_Place_Call_In_Anonymous_Context.
        (Expand_N_Slice): Test for prefix that is a build-in-place function call
        and call Make_Build_In_Place_Call_In_Anonymous_Context.
        (Analyze_Call): Remove code that issues an error for limited function
        calls in illegal contexts, as we now support all of the contexts that
        were forbidden here.
        New calling sequence for Get_Simple_Init_Val
        (Expand_Boolean_Operator): Add call to Silly_Boolean_Array_Xor_Test
        (Expand_N_Op_Not): Add call to Silly_Boolan_Array_Not_Test

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>

        * exp_ch2.adb: Minor reformatting.
        (Expand_Entry_Index_Parameter): Set the type of the identifier.
        (Expand_Entry_Reference): Add call to Expand_Protected_Component.
        (Expand_Protected_Component): New routine.
        (Expand_Protected_Private): Removed.
        Add Sure parameter to Note_Possible_Modification calls

        * sem_ch12.ads, sem_ch12.adb (Analyze_Subprogram_Instantiation): The
        generated subprogram declaration must inherit the overriding indicator
        from the instantiation node.
        (Validate_Access_Type_Instance): If the designated type of the actual is
        a limited view, use the available view in all cases, not only if the
        type is an incomplete type.
        (Instantiate_Object):  Actual is illegal if the formal is null-excluding
        and the actual subtype does not exclude null.
        (Process_Default): Handle properly abstract formal subprograms.
        (Check_Formal_Package_Instance): Handle properly defaulted formal
        subprograms in a partially parameterized formal package.
        Add Sure parameter to Note_Possible_Modification calls
        (Validate_Derived_Type_Instance): if the formal is non-limited, the
        actual cannot be limited.
        (Collect_Previous_Instances): Generate instance bodies for subprograms
        as well.

        * sem_ch13.adb (Analyze_Attribute_Definition_Clause, case Small): Don't
        try to set RM_Size.
        Add Sure parameter to Note_Possible_Modification calls
        (Analyze_At_Clause): Preserve Comes_From_Source on Rewrite call
        (Analyze_Attribute_Definition_Clause, case Attribute_Address): Check for
        constant overlaid by variable and issue warning.
        Use new Is_Standard_Character_Type predicate
        (Analyze_Record_Representation_Clause): Check that the specified
        Last_Bit is not less than First_Bit - 1.
        (Analyze_Attribute_Definition_Clause, case Address): Check for
        self-referential address clause

        * sem_ch5.ads, sem_ch5.adb (Diagnose_Non_Variable_Lhs): Rewrite the
        detection mechanism when the lhs is a prival.
        (Analyze_Assignment): Call Check_Unprotected_Access to detect
        assignment of a pointer to protected data, to an object declared
        outside of the protected object.
        (Analyze_Loop_Statement): Check for unreachable code after loop
        Add Sure parameter to Note_Possible_Modication calls
        Protect analysis from previous syntax error such as a scope mismatch
        or a missing begin.
        (Analyze_Assignment_Statement): The assignment is illegal if the
        left-hand is an interface.

        * sem_res.ads, sem_res.adb (Resolve_Arithmetic_Op): For mod/rem check
        violation of restriction No_Implicit_Conditionals
        Add Sure parameter to Note_Possible_Modication calls
        Use new Is_Standard_Character_Type predicate
        (Make_Call_Into_Operator): Preserve Comes_From_Source when rewriting
        call as operator. Fixes problems (e.g. validity checking) which
        come from the result looking as though it does not come from source).
        (Resolve_Call): Check case of name in named parameter if style checks
        are enabled.
        (Resolve_Call): Exclude calls to Current_Task as entry formal defaults
        from the checking that such calls should not occur from an entry body.
        (Resolve_Call): If the return type of an Inline_Always function
        requires the secondary stack, create a transient scope for the call
        if the body of the function is not available for inlining.
        (Resolve_Actuals): Apply Ada2005 checks to view conversions of arrays
        that are actuals for in-out formals.
        (Try_Object_Operation): If prefix is a tagged protected object,retrieve
        primitive operations from base type.
        (Analyze_Selected_Component): If the context is a call to a protected
        operation the parent may be an indexed component prior to expansion.
        (Resolve_Actuals): If an actual is of a protected subtype, use its
        base type to determine whether a conversion to the corresponding record
        is needed.
        (Resolve_Short_Circuit): Handle pragma Check

        * sem_eval.adb: Minor code reorganization (usea Is_Constant_Object)
        Use new Is_Standard_Character_Type predicate
        (Eval_Relational_Op): Catch more cases of string comparison

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>

        * s-rident.ads: Add No_Default_Initialization restriction

        * exp_tss.adb: 
        (Has_Non_Null_Base_Init_Proc): Handle No_Default_Initialization case
        (Set_TSS): Handle No_Default_Initialization case

        * exp_ch6.adb (Expand_N_Subprogram_Body): Handle restriction
        No_Default_Initialization
        (Expand_N_Subprogram_Body): Remove redundant initialization of out
        parameters when Normalize_Scalars is active.
        (Add_Final_List_Actual_To_Build_In_Place_Call): Add formal Sel_Comp
        Fix casing error in formal parameter name in call
        (Register_Predefined_DT_Entry): Replace occurrences of RE_Address by
        (Expand_Call, Propagate_Tag): Call Kill_Current_Values when processing a
        dispatching call on VM targets.

2008-04-08  Gary Dismukes  <dismukes@adacore.com>
            Thomas Quinot  <quinot@adacore.com>

        * exp_ch7.adb (Find_Final_List): Change the test for generating a
        selected component from an access type's Associated_Final_Chain to
        check for the presence of that field, rather than assuming it exists
        for all named access types.
        (Make_Clean): New formal Chained_Cleanup_Action allowing to specify a
        procedure to call at the end of the generated cleanup procedure.
        (Expand_Cleanup_Actions): When a new cleanup procedure is generated, and
        and an At_End_Proc already exists in the handled sequence of statements
        for which cleanup actions are being expanded, the original cleanup
        action must be preserved.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>

        * exp_ch9.ads, exp_ch9.adb (Build_Protected_Entry,
        Build_Unprotected_Subprogram_Body): Generate debug info for
        declarations related to the handling of private data in task and
        protected types.
        (Debug_Private_Data_Declarations): New subprogram.
        (Install_Private_Data_Declarations): Remove all debug info flagging.
        This is now done by Debug_Private_Data_Declarations at the correct
        stage of expansion.
        (Build_Simple_Entry_Call): If the task name is a function call, expand
        the prefix into an object declaration, and make the surrounding block a
        task master.
        (Build_Master_Entity): An internal block is a master if it wraps a call.
        Code reformatting, update comments. Code clean up.
        (Make_Task_Create_Call): Use 'Unrestricted_Access instead of 'Address.
        (Replicate_Entry_Formals): If the formal is an access parameter or
        anonymous access to subprogram, copy the original tree to create new
        entities for the formals of the subprogram.
        (Expand_N_Task_Type_Declaration): Create a Relative_Deadline variable
        for tasks to store the value passed using pragma Relative_Deadline.
        (Make_Task_Create_Call): Add the Relative_Deadline argument to the
        run-time call to create a task.
        (Build_Wrapper_Spec): If the controlling argument of the interface
        operation is an access parameter with a non-null indicator, use the
        non-null indicator on the wrapper.

        * sem_ch9.adb (Analyze_Protected_Type): Only retrieve the full view when
        present, which it may not be in the case where the type entity is an
        incomplete view brought in by a limited with.
        (Analyze_Task_Type): Only retrieve the full view when present, which it
        may not be in the case where the type entity is an incomplete view brought
        in by a limited with.
        (Analyze_Protected_Definition): Set Is_Frozen on all itypes generated for
        private components of a protected type, to prevent the generation of freeze
        nodes for which there is no proper scope of elaboration.

        * exp_util.ads, exp_util.adb
        (Remove_Side_Effects): If the expression is a function call that returns a
        task, expand into a declaration to invoke the build_in_place machinery.
        (Find_Protection_Object): New routine.
        (Remove_Side_Effects): Also make a copy of the value
        for attributes whose result is of an elementary type.
        (Silly_Boolean_Array_Not_Test): New procedure
        (Silly_Boolean_Array_Xor_Test): New procedure
        (Is_Volatile_Reference): New function
        (Remove_Side_Effects): Use Is_Volatile_Reference
        (Possible_Bit_Aligned_Component): Handle slice case properly

        * exp_pakd.adb (Expand_Packed_Not): Move silly true/true or false/false
        case test to Exp_Util
        (Expand_Packed_Xor): Move silly true/true case test to Exp_Util

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * exp_dist.ads, exp_dist.adb: Fix casing error in formal parameter name
        in call
        (Add_RACW_Features): When processing an RACW in another unit than the
        main unit, set Body_Decls to No_List to indicate that the bodies of
        the type's TSS must not be generated.
        (GARLIC_Support.Add_RACW_Read_Attribute,
        GARLIC_Support.Add_RACW_Write_Attribute): Do not generate bodies if
        Body_Decls is No_List.
        (PolyORB_Support.Add_RACW_Read_Attribute,
        PolyORB_Support.Add_RACW_Write_Attribute,
        PolyORB_Support.Add_RACW_From_Any,
        PolyORB_Support.Add_RACW_To_Any,
        PolyORB_Support.Add_RACW_TypeCode): Same.
        (Transmit_As_Unconstrained): New function.
        (Build_Ordered_Parameters_List): Use the above to order parameters.
        (GARLIC_Support.Build_General_Calling_Stubs):
        Use the above to determine which parameters to unmarshall using 'Input
        at the point where their temporary is declared (as opposed to later on
        with a 'Read call).
        (PolyORB_Support.Build_General_Calling_Stubs):
        Use the above to determine which parameters to unmarshall using From_Any
        at the point where their temporary is declared (as opposed to later on
        with an assignment).

2008-04-08  Ed Schonberg  <schonberg@adacore.com>

        * exp_strm.adb (Build_Record_Or_Elementary_Input_Function): If this is
        an Input function for an access type, do not perform default
        initialization on the local variable that receives the value, to
        prevent spurious warnings when the type is null-excluding.

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * freeze.adb (Freeze_Entity): Improve warnings on access types in pure
        units.
        (Size_Known): Generic formal scalar types have known at compile
        time size, so remove check.
        Fix casing error in formal parameter name in call
        (Freeze_Subprogram): If the subprogram is a user-defined operator,
        recheck its overriding indication.

2008-04-08  Vincent Celier  <celier@adacore.com>

        * gnat1drv.adb: Send all messages indicating an error to standard error

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * gnatbind.adb (Restriction_Could_Be_Set): New procedure
        (List_Applicable_Restrictions): Do not list existing restrictions

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * g-socket.ads, g-socket.adb: Improve documentation of GNAT.Sockets:
        add a pointer to generic sockets literature
        do not mention that the given example is "typical" usage.
        Remove obsolete comment about multicast not being supported on Windows.
        (Connect_Socket): Make Server mode IN rather than IN OUT
        since this formal is never modified.

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * sprint.adb (Write_Itype): Handle Itypes whose Parent field points to
        the declaration for some different entity.
        (Sprint_Node_Actual, case N_Derived_Type_Definition): When an interface
        list is precent (following the parent subtype indication), display
        appropriate "and" keyword.

        * itypes.adb: Remove unnecessary calls to Init_Size_Align and Init_Esize
        Remove unnecessary calls to Init_Size_Align and Init_Esize.
        Add notes on use of Parent field of an Itype

2008-04-08  Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>

        * lib-xref.adb (Is_On_LHS): Remove dead code
        (Output_Overriden_Op): If the overridden operation is itself inherited,
        list the ancestor operation, which is the one whose body or absstract
        specification is actually being overridden. For source navigation
        purposes.

        * sem_ch7.adb (Is_Primitive_Of): use base type to determine whether
        operation is primitive for the type.
        (Declare_Inherited_Private_Subprograms): If the new operation overrides
        an inherited private subprogram, set properly the Overridden_Operation
        attribute, for better cross-reference information.
        (Analyze_Package_Specification): Do late analysis of spec PPCs
        (Install_Private_Declaration, Uninstall_Declarations): Save/restore
        properly the full view and underlying full views of a private type in a
        child unit, whose full view is derived from a private type in a parent
        unit, and whose own full view becomes visible in the child body.

        * sem_disp.adb (Check_Dispatching_Operation): When a body declares a
        primitive operation after the type has been frozen, add an explicit
        reference to the type and the operation, because other primitive
        references have been emitted already.
        (Expand_Call, Propagate_Tag): Call Kill_Current_Values when processing a
        dispatching call on VM targets.

2008-04-08  Vincent Celier  <celier@adacore.com>
            Thomas Quinot  <quinot@adacore.com>

        * make.adb: (Gnatmake_Called): Remove, no longer necessary
        (Compile_Surces): Call Delete_Temp_Config_Files only if Gnatmake_Called
        is True and Debug_Flag_N is False. Debug_Flag_N means "keep temp files".
        (Insert_Project_Sources): Take into account index in multi-unit source
        files.
        After building a library project, delete all temporary files.
        (Initialize): Reset current output after parsing project file.
        (Collect_Arguments_And_Compile): Never insert in the queue the sources
        of library projects that are externally built.
        Put file name in error and inform messages if -df is used
        (Display): If invoked with -d7, do not display path names, but only
        file names.

        * makeutl.ads (Path_Or_File_Name): New function
        (Path_Or_File_Name): New function

2008-04-08  Arnaud Charlet  <charlet@adacore.com>

        * Make-lang.in: Disable warnings during first stage of bootstrap
        Get rid of gnatbl.
        Update dependencies.

2008-04-08  Vincent Celier  <celier@adacore.com>

        * mlib-prj.adb (Build_Library): Compare with ALI file name in canonical
        case to decide if ALI object file is included in library.
        (Build_Library): Never attempt to build a library if the project is
        externally built.

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * nlists.adb (Is_Non_Empty_List): Remove redundant test. First
        (No_List) is defined to return Empty.

2008-04-08  Jose Ruiz  <ruiz@adacore.com>

        * osint.ads, osint.adb (Get_Libraries_From_Registry): Improve
        documentation.
        Update comments.
        (Read_Default_Search_Dirs): Do not consider spaces as path separators
        because spaces may be part of legal paths.

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * par-ch11.adb (P_Exception_Handler): Check indentation level for
        handler

2008-04-08  Ed Schonberg  <schonberg@adacore.com>

        * par-ch3.adb (P_Type_Declaration) Reject the keyword "synchronized"
        in a type declaration, if this is not an interface declaration or
        private type extension.

2008-04-08  Vincent Celier  <celier@adacore.com>

        * prj-util.adb (Executable_Of): New String parameter Language. When
        Ada_Main is False and Language is not empty, attempt to remove the body
        suffix or the spec suffix of the language to get the base of the
        executable file name.
        (Put): New Boolean parameter Lower_Case, defauilted to False. When
        Lower_Case is True, put the value in lower case in the name list.
        (Executable_Of): If there is no executable suffix in the configuration,
        then do not modify Executable_Extension_On_Target.

        * prj-util.ads (Executable_Of): New String parameter Language,
        defaulted to the empty string.
        (Put): New Boolean parameter Lower_Case, defauilted to False

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * scng.adb (Scan_Identifier): Handle case of identifier starting with
        wide character using UTF-8 encoding.

2008-04-08  Javier Miranda  <miranda@adacore.com>

        * sem.adb (Analyze): Consider case in which we analyze an empty node
        that was generated by a call to a runtime function that is not
        available under the configurable runtime.

        * sem.ads (Inside_Freezing_Actions): New flag.
        (Save_Check_Policy_List): New field in scope stack entry

2008-04-08  Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>

        * sem_aggr.adb (Analyze_N_Extension_Aggregate): Add legality checks for
        the ancestor part of an extension aggregate for a limited type.
        (Resolve_Array_Aggregate): Issue warning for sliding of aggregate with
        enumeration index bounds.
        (Resolve_Array_Aggregate): Add circuit for diagnosing missing choices
        when array is too short.
        (Check_Expr_OK_In_Limited_Aggregate): Move function
        Check_Non_Limited_Type from Resolve_Record_Aggregate to top level (and
        change name).
        (Resolve_Array_Aggregate.Resolve_Aggr_Expr):
        Check_Expr_OK_In_Limited_Aggregates called to check for illegal limited
        component associations.
        (Check_Non_Limited_Type): Moved to outer level and renamed.
        (Resolve_Record_Aggregate): In an extension aggregate, an association
        with a box initialization can only designate a component of the
        extension, not a component inherited from the given ancestor

        * sem_case.adb: Use new Is_Standard_Character_Type predicate

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * s-imgdec.adb (Set_Decimal_Digits): Fix error when input is zero with
        negative scale
        (Set_Decimal_Digits): Properly handle Aft=0 (equivalent to Aft=1)
        Properly handle case where Aft > Scale and input number is less than
        one.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

        * s-stoele.ads, s-soflin.ads: Move the location of
        Dummy_Communication_Block from System.Storage_Elements to
        System.Soft_Links.

        * s-tpobop.ads: Add comment on usage of Dummy_Communication_Block to
        emulate Communication_Block in certain scenarios.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

        * s-strxdr.adb, s-stratt.ads, s-stratt.adb (Block_IO_OK): New
        subprogram.
        Add new subtype S_WWC, unchecked conversion routines From_WWC and
        To_WWC.
        (I_WWC, O_WWC): New routines for input and output of
        Wide_Wide_Character.

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * stringt.adb (Write_String_Table_Entry): Handle wide characters
        properly

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * styleg.adb (Check_Comment): Allow special char after -- in
        non-end-of-line case

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * stylesw.adb: Implement -gnaty + - y options
        (Set_GNAT_Style_Check_Options): Includ I in style check string

        * stylesw.ads: Add comments for new style switch options

2008-04-08  Sergey Rybin  <rybin@adacore.com>

        * tree_io.ads: Increase ASIS_Version_Number because of adding Sem_Aux
        to the set of the GNAT components needed by ASIS.

2008-04-08  Bob Duff  <duff@adacore.com>

        * types.h: Change CE_Null_Exception_Id to the correct value (8, was 9).

2008-04-08  Tristan Gingold  <gingold@adacore.com>

        * vxaddr2line.adb: Use Unsigned_32 instead of Integer for address type.
        Improve error message generation.

2008-04-08  Vincent Celier  <celier@adacore.com>

        * a-direct.adb (Start_Search): Check for Name_Error before checking for
        Use_Error, as specified in the RM. Check if directory is open and raise
        Use_Error if it is not.

2008-04-08  Vincent Celier  <celier@adacore.com>
            Robert Dewar  <dewar@adacore.com>

        * vms_conv.adb (Output_Version): Print "GNAAMP" instead of "GNAT when
        AAMP_On_Target is set.

        * vms_data.ads: Add NOxxx to style check switch list
        Add entry COMPONENTS for -gnatVe
        Add VMS qualifiers for -eL (/FOLLOW_LINKS_FOR_FILES) and --subdirs=
        (/SUBDIRS=).
        (GCC_Switches): Add /ALL_BACK_END_WARNINGS.
        Add qualifiers for gnatmetric coupling options
        Add note that -gnata enables all checks
        Add entries [NO]PARAMETER_ORDER for -gnatw.p[P]
        Fix inconsistency for VMS qualifier for the gnatpp '-rnb' option
        New warning flag -gnatw.e

        * usage.adb: Add entries for -gnaty+ -gnaty- -gnatyy
        Add entry for -gnatyN (forgotten before)
        Line for new warning switch -gnatw.p
        New warning flag -gnatw.e

        * gnat_ugn.texi: Add documentation fpr project file switch -aP
        Document -gnaty - + y
        Replace occurences of "package specification" with "package spec"
        Define preprocessing symbols in documentation of gnatprep
        Clarify reason for distinguishing overflow checking
        Add documentation for project-aware tool switches -eL and --subdirs=
        Complete list of configuration pragmas
        Specify that, even when gnatmake switch -x is used, mains on the command
        line need to be sources of project files.
        Editing of gnatcheck/gnatmetric doc.
        Add documentation for -gnatw.p/-gnatw.P
        Add missing documentation for -fno-inline-functions.
        Add documentation for -gnatw.e

        * gnat_rm.texi: Add documentation for No_Default_Initialization
        Replace occurences of "package specification" with "package spec"
        Document use of * in Warnings Off string
        Update documentation of alignment/component clauses.
        Add documentation for Invalid_Value
        Document new consistency rule for Optimize_Alignment
        Add documentation for Precondition and Postcondition pragmas
        Add documentation for Check and Check_Policy pragmas
        Document new Enum_Val attribute
        Remove requirement for static string in pragma Assert
        Add documentation on GNAT.Time_Stamp

        * ug_words: add entry for -gnatVe
        Add entries for -gnat.p[P] /WARNINGS=[NO]PARAMETER_ORDER
        Add entry for -gnatw.e

        * debug.adb: Add missing documentation for d.a flag
        Document new -gnatd.a switch.
        Add documentation for new gnatmake debug switch -df

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * gen-soccon.c: Bump year in copyright notices.

        * g-soccon-vxworks.ads: Add new constant IP_PKTINFO

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * ctrl_c.c: Improve handling of ctrl-c on LynxOS and Windows.
        Minor reformatting.

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Bob Duff  <duff@adacore.com>

        * impunit.adb: Add Interfaces.Java.JNI, System.Strings.Stream_Ops,
        Ada.Calendar.Conversions, Ada.Dispatching.EDF, GNAT.Time_Stamp

        * s-intman-mingw.adb: Minor comment fix -- spell 'explicitly' correctly

        * g-trasym.adb: Minor comment fix -- spell 'explicitly' correctly

        * g-trasym.ads: Minor comment improvements

        * s-stalib.adb: Minor comment fix -- spell 'explicitly' correctly

        * a-sequio.ads, a-direio.ads: improve message for tagged type

        * a-strunb.ads: Minor reformatting

        * a-tifiio.adb: Minor reformatting

        * atree.adb (Fix_Parents): Use clearer names for formals
        Cleanup and simplify code
        Use named notation in calls

        * exp_fixd.adb (Do_Multiply_Fixed_Universal): Use named notation in
        confusing calls

        * uintp.adb: Used named notation for some confusing calls

        * bindusg.adb: Minor change in one line of output

        * cstand.adb: Minor reformatting of src representation of Standard

        * a-assert.ads: Add comment.

        * g-decstr.adb: Fix bad indentation

        * expander.ads, expander.adb: Code clean up.

        * sem_dist.ads: Minor comment improvement

        * sem_type.adb, g-dirope.ads, g-exctra.ads, s-valwch.adb,
        s-wchstw.adb, targparm.ads, widechar.adb: Minor reformatting

        * i-cstrin.adb: Fix casing error in formal parameter name in call

2008-04-08  Ed Schonberg  <schonberg@adacore.com>

        * binde.adb (Gather_All_Links, Gather_Dependencies): units that are
        mentioned in limited_with_clauses to do create semantic dependencies
        even though they appear in the ali file.

2008-04-08  Emmanuel Briot  <briot@adacore.com>

        * g-comlin.ads, g-comlin.adb (Expansion): Remove unreachable return
        statement.
        (Get_Configuration): New subprogram.

        * prj-pp.ads, prj-pp.adb (Pretty_Print): new parameters Id and Id_Tree
        These optional parameters help preserve the casing of the project's name
        when pretty-printing.

2008-04-08  Jerome Lambourg  <lambourg@adacore.com>
            Arnaud Charlet  <charlet@adacore.com>

        * bindgen.adb (Gen_Adainit_Ada): If the main program is a CIL function,
        then use __gnat_set_exit_status to report the returned status code.

        * comperr.adb (Compiler_Abort): Convert most bug boxes into clean error
        messages on .NET, since some constructs of the language are not
        properly supported.

        * gnatlink.adb (Gnatlink): In case the command line is too long for the
        .NET linker, gnatlink now concatenate all .il files and pass this to
        ilasm.

2008-04-07  Aurelien Jarno  <aurelien@aurel32.net>
            Xavier Grave  <grave@ipno.in2p3.fr>

        * Makefile.in: Add make ifeq define for mips/mipsel support.
        * g-soccon-linux-mips.ads, system-linux-mipsel.ads, 
        system-linux-mips.ads: New files.

2008-04-07  Aurelien Jarno  <aurelien@aurel32.net>

        * sysdep.c: add __GLIBC__ to the #ifdef preprocessor macros to
        detect systems using GNU libc.
        * gsocket.h: ditto.
        * socket.c: ditto.
        * adaint.c: ditto.
        * link.c: ditto.

2008-04-07  Aurelien Jarno  <aurelien@aurel32.net>

        * s-osinte-linux-kfreebsd.ads (SC_NPROCESSORS_ONLN): New 
        constant 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.
        * Makefile.in: Use s-tasinf-linux.ads and s-tasinf-linux.adb
        on GNU/kFreeBSD.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * utils2.c (build_binary_op): Fold ARRAY_REF and ARRAY_RANGE_REF too.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gigi.h (create_subprog_type): Remove returns_with_dsp parameter.
        * decl.c (gnat_to_gnu_entity): Adjust for above new prototype.
        * utils.c (create_subprog_type): Remove returns_with_dsp parameter.
        * trans.c (gnat_to_gnu) <N_Return_Statement>: Remove code dealing with
        Return by Depressed Stack Pointer.

2008-04-06  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (is_variable_size): Do not unconditionally return false
        on non-strict alignment platforms.

2008-04-06  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (rest_of_type_decl_compilation_no_defer): New local function
        used to process all the variants of the specified type.
        (gnat_to_gnu_entity): Invoke rest_of_type_decl_compilation for enumeral
        types too.  Call rest_of_type_decl_compilation_no_defer if undeferring.
        (rest_of_type_decl_compilation): Likewise.
        * utils.c (gnat_pushdecl): Propagate the name to all variants of type.

2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

        * gigi.h (insert_block): Kill.
        * utils.c (insert_block): Kill.

2008-04-02  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: For a constant object whose
        type has self-referential size, get the size from the initializing
        expression directly if it is also a constant whose nominal type
        has self-referential size.

2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR ada/33688
        * g-soccon-darwin.ads: Define new constant IP_PKTINFO.

        PR ada/33857
        * env.c: Always include crt_externs.h if __APPLE__ is defined.
        (__gnat_setenv): Use setenv instead of putenv if __APPLE__ is defined.

2008-04-01  Andreas Jaeger  <aj@suse.de>

        * g-soccon-linux-ppc.ads: Add new constants SO_REUSEPORT and
        IP_PKTINFO.

2008-03-31  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * g-table.adb, g-tasloc.adb, g-traceb.ads,
        g-trasym.adb, g-utf_32.adb, gen-soccon.c, gigi.h, gmem.c,
        gnatbind.adb, gnatchop.adb, gnatcmd.adb,
        gnatcmd.ads, gnatdll.adb, gnatfind.adb,
        gnatlink.adb, gnatmem.adb, gprep.adb,
        i-cstrea-vms.adb, i-cstrin.adb, i-pacdec.ads,
        i-vxwork.ads, impunit.adb, init.c, initialize.c, inline.adb,
        layout.adb, lib-writ.adb, lib-writ.ads, lib-xref.adb,
        lib-xref.ads, lib.adb, link.c, live.ads,
        make.adb, makegpr.adb, makeutl.adb, math_lib.adb,
        mdll-utl.adb, mdll.ads, memroot.adb, memroot.ads,
        misc.c, mlib-prj.adb, mlib-tgt-hpux.adb,
        mlib-tgt-linux.adb, mlib-tgt-tru64.adb, mlib-tgt.ads,
        namet.adb, namet.h, nlists.adb, nlists.ads,
        nlists.h, opt.ads, osint-b.ads, osint-c.adb,
        osint-c.ads, osint.adb, osint.ads, output.ads,
        par-ch10.adb, par-ch12.adb, par-ch2.adb, par-ch3.adb,
        par-ch4.adb, par-ch5.adb, par-ch6.adb, par-ch9.adb,
        par-endh.adb, par-labl.adb, par-prag.adb,
        par-sync.adb, par-tchk.adb, par-util.adb,
        par.adb, prep.adb, prep.ads, prepcomp.adb, prj-attr.ads,
        prj-dect.adb, prj-env.adb, prj-ext.adb, prj-nmsc.adb,
        prj-nmsc.ads, prj-pp.adb, prj-proc.adb,
        prj-strt.ads, prj-tree.ads, prj.adb, prj.ads: Fix comment typos.

2008-03-31  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: Do not force a non-null
        size if it has overflowed.

2008-03-31  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * utils2.c (find_common_type): Document assumption on t1/t2 vs
        lhs/rhs. Force use of lhs type if smaller, whatever the modes.

2008-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * a-textio.ads, a-witeio.ads, a-ztexio.ads, ali.ads,
        einfo.ads, erroutc.adb, erroutc.ads, exp_attr.adb,
        exp_imgv.adb, exp_intr.adb, exp_pakd.adb,
        exp_pakd.ads, exp_prag.adb, exp_smem.adb,
        exp_tss.ads, exp_util.adb, exp_util.ads,
        exp_vfpt.adb, freeze.adb, freeze.ads,
        frontend.adb, g-alleve.adb, g-altcon.adb,
        g-altive.ads, g-alveop.ads, g-alvevi.ads,
        g-arrspl.adb, g-busorg.ads, g-calend.adb,
        g-calend.ads, g-casuti.ads, g-cgideb.adb,
        g-comlin.adb, g-comlin.ads, g-curexc.ads,
        g-debpoo.adb, g-debpoo.ads, g-decstr.adb,
        g-dirope.adb, g-dirope.ads, g-dynhta.ads,
        g-dyntab.adb, g-encstr.ads, g-excact.ads,
        g-except.ads, g-expect.ads, g-heasor.adb,
        g-hesora.adb, g-hesorg.adb, g-htable.ads,
        g-locfil.ads, g-md5.adb, g-md5.ads,
        g-memdum.ads, g-moreex.ads, g-os_lib.adb,
        g-pehage.adb, g-pehage.ads, g-regexp.adb,
        g-regexp.ads, g-regpat.adb, g-regpat.ads,
        g-soccon-aix.ads, g-soccon-darwin.ads,
        g-soccon-freebsd.ads, g-soccon-hpux-ia64.ads,
        g-soccon-hpux.ads, g-soccon-irix.ads,
        g-soccon-linux-64.ads, g-soccon-linux-ppc.ads,
        g-soccon-linux-x86.ads, g-soccon-lynxos.ads,
        g-soccon-mingw.ads, g-soccon-solaris-64.ads,
        g-soccon-solaris.ads, g-soccon-tru64.ads,
        g-soccon-vms.ads, g-soccon-vxworks.ads,
        g-soccon.ads, g-socket.adb, g-socket.ads,
        g-socthi-mingw.adb, g-socthi-vms.adb,
        g-socthi-vxworks.adb, g-soliop-mingw.ads,
        g-soliop-solaris.ads, g-soliop.ads, g-spipat.adb,
        g-spipat.ads, g-string.adb, g-stsifd-sockets.adb: Fix comment
        typos.

2008-03-27  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <E_Procedure>: Also set the public flag
        if the procedure is imported.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * adaint.c: Fix warnings.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * g-dirope.ads, g-dirope.adb: (Dir_Type_Value): Moved to spec.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * a-witeio.adb: Fix problem with Current_Output (introduce Self).
        Fix problem of status check for null file

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * s-proinf-irix-athread.ads, s-vxwork-mips.ads,
        s-traces.ads, s-vxwork-arm.ads, s-vxwork-ppc.ads, s-vxwork-sparcv9.ads,
        s-tasinf-mingw.ads, s-tasinf-linux.ads, s-tasdeb.ads, mlib-tgt.ads,
        i-cstrin.ads, uintp.adb, g-catiio.adb, s-vmexta.ads,
        s-trafor-default.ads, s-vxwork-m68k.ads: Minor reformatting. Update
        comments.

2008-03-26  Thomas Quinot  <quinot@adacore.com>

        PR ada/33688
        * g-socket.ads, g-socket.adb (Options, Set_Socket_Option,
        Get_Socket_Option): Add support for Receive_Packet_Info.

        * g-soccon.ads, g-soccon-tru64.ads, g-soccon-aix.ads,
        g-soccon-irix.ads, g-soccon-hpux.ads, g-soccon-solaris.ads,
        g-soccon-vms.ads, g-soccon-mingw.ads, g-soccon-freebsd.ads,
        g-soccon-hpux-ia64.ads, g-soccon-solaris-64.ads, g-soccon-darwin.ads,
        g-soccon-lynxos.ads, g-soccon-linux-64.ads, g-soccon-linux-x86.ads: Add
        new constants SO_REUSEPORT and IP_PKTINFO

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * a-taster.adb, s-shasto.adb, s-soflin.adb, s-taasde.adb, s-taenca.adb,
        a-sytaco.adb, a-sytaco.ads, a-tasatt.adb, a-taside.adb,
        a-intnam-lynxos.ads, a-retide.adb, a-intnam-tru64.ads, a-intnam-aix.ads,
        a-intnam-irix.ads, a-intnam-hpux.ads, a-intnam-linux.ads,
        a-intnam-solaris.ads, a-caldel-vms.adb, a-intnam-vms.ads,
        a-excpol-abort.adb, a-intnam-mingw.ads, s-interr.adb, s-interr.ads,
        s-intman.ads, s-gloloc.adb, s-osinte-lynxos-3.ads,
        s-interr-sigaction.adb, s-osinte-hpux.ads, s-osinte-solaris-posix.ads,
        a-intnam-freebsd.ads, s-osinte-freebsd.ads, s-osinte-lynxos.ads,
        s-taspri-lynxos.ads, s-osinte-tru64.ads, s-osinte-tru64.ads,
        s-taspri-tru64.ads, s-osinte-aix.ads, s-osinte-irix.ads,
        s-osinte-hpux-dce.ads, s-taprop-hpux-dce.adb, s-taspri-hpux-dce.ads,
        s-osinte-linux.ads, s-osinte-dummy.ads, s-taprop-dummy.adb,
        s-taspri-dummy.ads, s-interr-dummy.adb, s-osinte-solaris.ads,
        s-osinte-mingw.ads, s-taprop-solaris.adb, s-taspri-solaris.ads,
        s-inmaop-vms.adb, s-interr-vms.adb, s-intman-vms.ads, s-osinte-vms.ads,
        s-osinte-vms.ads, s-taprop-vms.adb, s-taspri-vms.ads,
        s-taspri-mingw.ads, s-interr-vxworks.adb, s-inmaop-posix.adb,
        s-intman-vxworks.ads, s-osinte-vxworks.ads, s-osprim-vxworks.adb,
        s-taspri-vxworks.ads, s-taspri-posix.ads, a-caldel.adb, a-calend.adb,
        a-elchha.adb, a-dynpri.adb, a-except.adb, a-except.ads, a-interr.ads,
        a-textio.adb, a-tigeau.ads, atree.adb, s-taprob.adb, s-taprop.ads,
        s-tarest.adb, s-tarest.ads, s-tasini.adb, s-taskin.adb, s-taskin.ads,
        s-tasque.adb, s-tasren.adb, s-tasren.ads, s-tassta.adb, s-tassta.ads,
        s-tasuti.adb, s-tataat.adb, s-tataat.ads, s-tpoben.adb, s-tpoben.ads,
        s-tpobop.adb, s-tpobop.ads, s-tposen.adb, s-tposen.ads, s-valrea.adb,
        s-valuti.adb, a-intnam-darwin.ads, s-osinte-darwin.ads, s-solita.adb,
        a-ztinau.ads, s-osinte-linux-hppa.ads, a-except-2005.adb,
        a-except-2005.ads, a-rttiev.adb, s-osinte-vxworks6.ads, s-regexp.adb,
        s-tasloc.adb: Minor reformatting.
        Update comments.
        Remove "used for" sections from comments.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * s-tpopsp-posix.adb, s-tpopsp-solaris.adb, s-tpopsp-posix-foreign.adb,
        s-tpopsp-lynxos.adb, s-tpopde-vms.ads, s-tpopde-vms.adb,
        s-tpopsp-vxworks.adb, s-casi16.adb, s-caun16.adb, s-inmaop.ads,
        s-tadeca.adb, s-tadeca.ads, s-tadert.adb, s-tadert.ads, s-tpinop.adb,
        s-tpinop.ads, s-tporft.adb, a-rbtgso.adb, a-crbtgo.ads, a-crbtgo.adb,
        a-crbtgk.ads, a-crbtgk.adb, a-ciorse.adb, a-cihama.ads, a-cihama.adb,
        a-cidlli.ads, a-cidlli.adb, a-chtgop.ads, a-chtgop.adb, a-cgcaso.ads,
        a-cgcaso.adb, a-cgaaso.adb, a-ciormu.adb, a-cihase.adb, a-swuwha.ads,
        a-rbtgso.ads, a-cgaaso.ads, a-cgaaso.ads, a-ciorma.adb, a-chtgke.ads,
        a-chtgke.adb, a-llfzti.ads, a-ztenau.adb, a-ztenau.ads, a-stzhas.ads,
        a-szbzha.ads, a-szbzha.adb, a-crdlli.ads, a-crdlli.ads, a-crdlli.adb,
        i-forbla-darwin.adb, i-forbla.ads, s-regexp.adb, a-nllrar.ads,
        a-nlrear.ads, a-nucoar.ads, a-nurear.ads, i-forlap.ads, s-gearop.adb,
        s-gearop.ads, s-gecobl.adb, s-gecobl.ads, s-gecola.adb, s-gecola.ads,
        s-gerebl.adb, s-gerela.ads, a-swuwha.adb, i-forbla-unimplemented.ads,
        double spaced if it fits on one line and otherwise single spaced.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * s-taprop-irix.adb, s-taprop-tru64.adb, s-taprop-lynxos.adb, 
        s-taprop-linux.adb, s-taprop-mingw.adb, s-taprop-vxworks.adb, 
        s-taprop-posix.adb (Create_Task): Do not attempt to set task priority
        or task info if the thread could not be created.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * gnatvsn.ads (Library_Version): Bump to 4.4.
        (Current_Year): Bump to 2008.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * ali.ads, ali.adb (Optimize_Alignment_Setting): New field in ALI record

        * bcheck.adb (Check_Consistent_Optimize_Alignment): New procedure

        * debug.adb: Add debug flags d.r and d.v
        Add debug flag .T (Optimize_Alignment (Time))
        Add debug flag .S (Optimize_Alignment (Space))

        * freeze.adb (Freeze_Record_Type): Set OK_To_Reorder_Components
        depending on setting of relevant debug flags.
        Replace use of Warnings_Off by Has_Warnings_Off
        (Freeze_Entity): In circuit for warning on suspicious convention
        actuals, do not give warning if subprogram has same entity as formal
        type, or if subprogram does not come from source.
        (Freeze_Entity): Don't reset Is_Packed for fully rep speced record
        if Optimize_Alignment set to Space.

        * frontend.adb: Add call to Sem_Warn.Initialize
        Add call to Sem_Warn.Output_Unused_Warnings_Off_Warnings
        Reset Optimize_Alignment mode from debug switches .S and .T

        * layout.adb (Layout_Composite_Object): Rewritten for
        Optimize_Aligment pragma.

        * lib-writ.ads, lib-writ.adb: New Ox parameter for Optimize_Alignment
        mode.

        * opt.ads, opt.adb: (Optimize_Alignment): New global switch

        * par-prag.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (..  instead, adjustments throughout to accomodate
        this change. Add entry for pragma Optimize_Alignment

        * sem_prag.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (..
        instead, adjustments throughout to accomodate this change.
        (Process_Compile_Time_Warning_Or_Error): Use !! for generated msg
        (Favor_Top_Level): Use new function Is_Access_Subprogram_Type
        Add implementation of pragma Optimize_Alignment

2008-03-26  Vincent Celier  <celier@adacore.com>

        * a-szuzti.adb, a-swuwti.adb, a-suteio.adb (functions Get_Line):
        Improve memory usage to avoid use of stack.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * a-teioed.ads: Correct value of Default_Fill

        * a-teioed.adb (Image): Use Fill_Character instead of '*' to fill

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * a-ztexio.adb, a-ztexio.ads, a-witeio.ads, a-witeio.adb: Fix problem
        with Current_Output (introduce Self).

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * checks.adb (Ensure_Valid): Capture valid status if possible
        (eliminate checks)

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * stand.ads: Deal with reordering of package standard declarations

        * cstand.adb: Put package Standard declarations in proper order

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * einfo.ads, einfo.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (.. instead.
        (OK_To_Reorder_Components): New flag
        (Has_Entries): Code cleanup.
        (Warnings_Off_Used): New flag
        (Warnings_Off_Used_Unmodified): New flag
        (Warnings_Off_Used_Unreferenced): New flag
        (Has_Warnings_Off): New function
        (Has_Unmodified): New function
        (Has_Unreferenced): New function
        (Is_Trivial_Subprogram): New flag
        (Is_Static_Dispatch_Table_Entity): New attribute.
        Change name Access_Subprogram_Type_Kind to Access_Subprogram_Kind
        (more consistent with other similar names)
        (Access_Subprogram_Type): New classification function

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * errout.ads: Document new !! insertion sequence

        * errout.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (..  instead.
        Replace use of Warnings_Off by Has_Warnings_Off
        (Error_Msg_Internal): Don't delete warning ending in !!

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * par.adb (Check_No_Right_Paren): Removed no longer used

        * par-ch10.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (..  instead.

        * par-ch10.adb (P_Subunit): Improvement in error recovery and message

        * par-tchk.adb, par-ch5.adb, par-ch6.adb, par-ch3.adb,
        par-ch4.adb: Minor improvements in error recovery and messages.

        * erroutc.adb (Test_Style_Warning_Serious_Msg): Treat style msgs as
        non-serious

        * par-ch9.adb: Minor improvements in error recovery and messages
        (P_Protected): Better error recovery for "protected type x;"

        * par-util.adb: Minor improvements in error recovery and messages
        (Check_No_Right_Paren): Removed no longer used

2008-03-26  Ed Schonberg  <schonberg@adacore.com>

        * exp_aggr.adb (Replace_Type): When checking for self-reference, verify
        that the prefix of an attribute is the type of the aggregate being
        expanded.