* 41intnam.ads, 42intnam.ads, 4aintnam.ads, 4cintnam.ads,

	4dintnam.ads, 4gintnam.ads, 4hintnam.ads, 4lintnam.ads,
	4mintnam.ads, 4pintnam.ads, 4rintnam.ads, 4sintnam.ads,
	4uintnam.ads, 4vcalend.adb, 4zintnam.ads, 52system.ads,
	5amastop.adb, 5asystem.ads, 5ataprop.adb, 5atpopsp.adb,
	5avxwork.ads, 5bosinte.adb, 5bsystem.ads, 5esystem.ads,
	5fsystem.ads, 5ftaprop.adb, 5ginterr.adb, 5gmastop.adb,
	5gsystem.ads, 5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads,
	5hparame.ads, 5hsystem.ads, 5htaprop.adb, 5htraceb.adb,
	5itaprop.adb, 5ksystem.ads, 5kvxwork.ads, 5lintman.adb,
	5lsystem.ads, 5mvxwork.ads, 5ninmaop.adb, 5nosinte.ads,
	5ntaprop.adb, 5ointerr.adb, 5omastop.adb, 5oosinte.adb,
	5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5pvxwork.ads,
	5qtaprop.adb, 5sintman.adb, 5ssystem.ads, 5staprop.adb,
	5stpopse.adb, 5svxwork.ads, 5tosinte.ads, 5uintman.adb,
	5vasthan.adb, 5vinmaop.adb, 5vinterr.adb, 5vintman.adb,
	5vmastop.adb, 5vparame.ads, 5vsystem.ads, 5vtaprop.adb,
	5vtpopde.adb, 5wmemory.adb, 5wsystem.ads, 5wtaprop.adb,
	5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zosinte.adb,
	5zosinte.ads, 5zsystem.ads, 5ztaprop.adb, 6vcpp.adb, 6vcstrea.adb,
	7sintman.adb, 7staprop.adb, 7stpopsp.adb, 9drpc.adb,
	Make-lang.in, Makefile.in, a-caldel.adb, a-comlin.ads,
	a-dynpri.adb, a-except.adb, a-except.ads, a-finali.adb,
	a-ncelfu.ads, a-reatim.adb, a-retide.adb, a-stream.ads,
	a-ststio.adb, a-ststio.ads, a-stwifi.adb, a-tags.adb, a-tasatt.adb,
	a-textio.adb, a-tideau.adb, a-tiflau.adb, a-tigeau.adb,
	a-tigeau.ads, a-tiinau.adb, a-timoau.adb, a-witeio.adb,
	a-wtdeau.adb, a-wtenau.adb, a-wtflau.adb, a-wtgeau.adb,
	a-wtgeau.ads, a-wtinau.adb, a-wtmoau.adb, ada-tree.def, ada-tree.h,
	adaint.c, adaint.h, ali-util.adb, ali.adb, ali.ads, atree.adb,
	atree.ads, atree.h, back_end.adb, bcheck.adb, bindgen.adb,
	bindusg.adb, checks.adb, comperr.adb, config-lang.in, csets.adb,
	csets.ads, cstand.adb, cstreams.c, debug.adb, debug.ads, decl.c,
	einfo.adb, einfo.ads, einfo.h, elists.h, errout.adb, errout.ads,
	eval_fat.adb, exp_aggr.adb, exp_attr.adb, exp_ch11.adb,
	exp_ch12.adb, exp_ch13.adb, exp_ch2.adb, exp_ch3.adb, exp_ch3.ads,
	exp_ch4.adb, exp_ch5.adb, exp_ch6.adb, exp_ch7.adb, exp_ch7.ads,
	exp_ch9.adb, exp_ch9.ads, exp_dbug.adb, exp_dbug.ads, exp_disp.ads,
	exp_dist.adb, exp_fixd.adb, exp_intr.adb, exp_pakd.adb,
	exp_prag.adb, exp_strm.adb, exp_util.adb, exp_util.ads,
	expander.adb, expect.c, fe.h, fmap.adb, fmap.ads, fname-uf.adb,
	freeze.adb, frontend.adb, g-awk.adb, g-cgideb.adb, g-comlin.adb,
	g-comlin.ads, g-debpoo.adb, g-dirope.adb, g-dirope.ads,
	g-dyntab.adb, g-expect.adb, g-expect.ads, g-io.ads, g-io_aux.adb,
	g-io_aux.ads, g-locfil.adb, g-locfil.ads, g-os_lib.adb,
	g-os_lib.ads, g-regexp.adb, g-regpat.adb, g-socket.adb,
	g-socket.ads, g-spipat.adb, g-table.adb, g-trasym.adb,
	g-trasym.ads, gigi.h, gmem.c, gnat1drv.adb, gnatbind.adb, gnatbl.c,
	gnatchop.adb, gnatcmd.adb, gnatdll.adb, gnatfind.adb, gnatlbr.adb,
	gnatlink.adb, gnatls.adb, gnatmem.adb, gnatprep.adb, gnatvsn.ads,
	gnatxref.adb, hlo.adb, hostparm.ads, i-cobol.adb, i-cpp.adb,
	i-cstrea.ads, i-cstrin.adb, i-pacdec.adb, i-vxwork.ads,
	impunit.adb, init.c, inline.adb, io-aux.c, layout.adb, lib-load.adb,
	lib-util.adb, lib-writ.adb, lib-writ.ads, lib-xref.adb,
	lib-xref.ads, lib.adb, lib.ads, make.adb, makeusg.adb, mdll.adb,
	memroot.adb, misc.c, mlib-tgt.adb, mlib-utl.adb, mlib-utl.ads,
	mlib.adb, namet.adb, namet.ads, namet.h, nlists.h, nmake.adb,
	nmake.ads, nmake.adt, opt.adb, opt.ads, osint.adb, osint.ads,
	output.adb, output.ads, par-ch2.adb, par-ch3.adb, par-ch5.adb,
	par-prag.adb, par-tchk.adb, par-util.adb, par.adb, prj-attr.adb,
	prj-dect.adb, prj-env.adb, prj-env.ads, prj-nmsc.adb, prj-part.adb,
	prj-proc.adb, prj-strt.adb, prj-tree.adb, prj-tree.ads, prj.adb,
	prj.ads, raise.c, raise.h, repinfo.adb, restrict.adb, restrict.ads,
	rident.ads, rtsfind.adb, rtsfind.ads, s-arit64.adb, s-asthan.adb,
	s-atacco.adb, s-atacco.ads, s-auxdec.adb, s-crc32.adb, s-crc32.ads,
	s-direio.adb, s-fatgen.adb, s-fileio.adb, s-finimp.adb,
	s-gloloc.adb, s-gloloc.ads, s-interr.adb, s-mastop.adb,
	s-mastop.ads, s-memory.adb, s-parame.ads, s-parint.adb,
	s-pooglo.adb, s-pooloc.adb, s-rpc.adb, s-secsta.adb, s-sequio.adb,
	s-shasto.adb, s-soflin.adb, s-soflin.ads, s-stache.adb,
	s-taasde.adb, s-taasde.ads, s-tadeca.adb, s-tadeca.ads,
	s-tadert.adb, s-tadert.ads, s-taenca.adb, s-taenca.ads,
	s-taprob.adb, s-taprop.ads, s-tarest.adb, s-tasdeb.adb,
	s-tasini.adb, s-tasini.ads, s-taskin.adb, s-taskin.ads,
	s-tasque.adb, s-tasque.ads, s-tasren.adb, s-tasren.ads,
	s-tassta.adb, s-tasuti.adb, s-tasuti.ads, s-tataat.adb,
	s-tataat.ads, s-tpoben.adb, s-tpoben.ads, s-tpobop.adb,
	s-tposen.adb, s-tposen.ads, s-traceb.adb, s-traceb.ads,
	s-unstyp.ads, s-widenu.adb, scn-nlit.adb, scn.adb, sem.adb,
	sem_aggr.adb, sem_attr.adb, sem_attr.ads, sem_case.adb,
	sem_ch10.adb, sem_ch11.adb, sem_ch11.ads, sem_ch12.adb,
	sem_ch13.adb, sem_ch13.ads, sem_ch2.adb, sem_ch3.adb, sem_ch3.ads,
	sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch6.ads, sem_ch7.adb,
	sem_ch8.adb, sem_ch8.ads, sem_ch9.adb, sem_disp.adb, sem_dist.adb,
	sem_elab.adb, sem_elim.adb, sem_elim.ads, sem_eval.adb,
	sem_intr.adb, sem_mech.adb, sem_prag.adb, sem_res.adb,
	sem_type.adb, sem_util.adb, sem_util.ads, sem_vfpt.adb,
	sem_warn.adb, sinfo.adb, sinfo.ads, sinfo.h, sinput-l.adb,
	sinput-l.ads, sinput.adb, sinput.ads, snames.adb, snames.ads,
	snames.h, sprint.adb, sprint.ads, stringt.adb, stringt.ads,
	stringt.h, style.adb, switch.adb, switch.ads, sysdep.c, system.ads,
	table.adb, targparm.adb, targparm.ads, targtyps.c, tbuild.adb,
	tbuild.ads, tracebak.c, trans.c, tree_gen.adb, tree_io.adb,
	treepr.adb, treepr.ads, treeprs.ads, treeprs.adt, ttypes.ads,
	types.adb, types.ads, types.h, uintp.ads, urealp.ads, usage.adb,
	utils.c, utils2.c, validsw.adb, xnmake.adb, xr_tabls.adb,
	xr_tabls.ads, xref_lib.adb, xref_lib.ads : Merge in ACT changes.

	* 1ssecsta.adb, 1ssecsta.ads, a-chlat9.ads, a-cwila9.ads,
	g-enblsp.adb, g-md5.adb, g-md5.ads, gnatname.adb, gnatname.ads,
	mkdir.c, osint-b.adb, osint-b.ads, osint-c.adb, osint-c.ads,
	osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads : New files

	* 3lsoccon.ads, 5qparame.ads, 5qvxwork.ads, 5smastop.adb,
	5zparame.ads, gnatmain.adb, gnatmain.ads, gnatpsys.adb : Removed

	* mdllfile.adb, mdllfile.ads, mdlltool.adb, mdlltool.ads : Renamed
	to mdll-fil.ad[bs] and mdll-util.ad[bs]

	* mdll-fil.adb, mdll-fil.ads, mdll-utl.adb, mdll-utl.ads : Renamed
	from mdllfile.ad[bs] and mdlltool.ad[bs]


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50451 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 66 insertions, 38 deletions

diff --git a/gcc/ada/checks.adb b/gcc/ada/checks.adb
index 6f0c87974bf..1bd28ad8df3 100644
--- a/gcc/ada/checks.adb
+++ b/gcc/ada/checks.adb
@@ -8,7 +8,7 @@
 --                                                                          --
 --                            $Revision$
 --                                                                          --
---          Copyright (C) 1992-2001 Free Software Foundation, Inc.          --
+--          Copyright (C) 1992-2002 Free Software Foundation, Inc.          --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -47,6 +47,7 @@ with Sem_Warn; use Sem_Warn;
 with Sinfo;    use Sinfo;
 with Snames;   use Snames;
 with Stand;    use Stand;
+with Targparm; use Targparm;
 with Tbuild;   use Tbuild;
 with Ttypes;   use Ttypes;
 with Urealp;   use Urealp;
@@ -197,7 +198,9 @@ package body Checks is
 
          else
             Append_To
-              (Stmts, Make_Raise_Constraint_Error (Internal_Static_Sloc));
+              (Stmts,
+                Make_Raise_Constraint_Error (Internal_Static_Sloc,
+                  Reason => CE_Range_Check_Failed));
          end if;
       end loop;
    end Append_Range_Checks;
@@ -272,7 +275,8 @@ package body Checks is
              Condition =>
                Make_Op_Gt (Loc,
                  Left_Opnd  => Param_Level,
-                 Right_Opnd => Type_Level)));
+                 Right_Opnd => Type_Level),
+             Reason => PE_Accessibility_Check_Failed));
 
          Analyze_And_Resolve (N);
       end if;
@@ -315,11 +319,12 @@ package body Checks is
         and then Known_Alignment (E)
       then
          if Expr_Value (Expr) mod Alignment (E) /= 0 then
-               Insert_Action (N,
-                  Make_Raise_Program_Error (Loc));
-               Error_Msg_NE
-                 ("?specified address for& not " &
-                  "consistent with alignment", Expr, E);
+            Insert_Action (N,
+               Make_Raise_Program_Error (Loc,
+                 Reason => PE_Misaligned_Address_Value));
+            Error_Msg_NE
+              ("?specified address for& not " &
+               "consistent with alignment", Expr, E);
          end if;
 
       --  Here we do not know if the value is acceptable, generate
@@ -343,7 +348,8 @@ package body Checks is
                           Make_Attribute_Reference (Loc,
                             Prefix => New_Occurrence_Of (E, Loc),
                             Attribute_Name => Name_Alignment)),
-                    Right_Opnd => Make_Integer_Literal (Loc, Uint_0))),
+                    Right_Opnd => Make_Integer_Literal (Loc, Uint_0)),
+                Reason => PE_Misaligned_Address_Value),
               Suppress => All_Checks);
          end if;
       end if;
@@ -377,9 +383,9 @@ package body Checks is
       OK    : Boolean;
 
    begin
-      if not Software_Overflow_Checking
-        or else not Do_Overflow_Check (N)
-        or else not Expander_Active
+      if Backend_Overflow_Checks_On_Target
+        or not Do_Overflow_Check (N)
+        or not Expander_Active
       then
          return;
       end if;
@@ -682,7 +688,8 @@ package body Checks is
 
       if Static and then Siz >= Check_Siz then
          Insert_Action (N,
-           Make_Raise_Storage_Error (Loc));
+           Make_Raise_Storage_Error (Loc,
+             Reason => SE_Object_Too_Large));
          Warn_On_Instance := True;
          Error_Msg_N ("?Storage_Error will be raised at run-time", N);
          Warn_On_Instance := False;
@@ -739,11 +746,11 @@ package body Checks is
             Make_Op_Ge (Loc,
               Left_Opnd  => Sizx,
               Right_Opnd =>
-                Make_Integer_Literal (Loc, Check_Siz)));
+                Make_Integer_Literal (Loc, Check_Siz)),
+            Reason => SE_Object_Too_Large);
 
       Set_Size_Check_Code (Defining_Identifier (N), Code);
       Insert_Action (N, Code);
-
    end Apply_Array_Size_Check;
 
    ----------------------------
@@ -1026,7 +1033,8 @@ package body Checks is
                      exit;
                   else
                      Apply_Compile_Time_Constraint_Error
-                       (N, "incorrect value for discriminant&?", Ent => Discr);
+                       (N, "incorrect value for discriminant&?",
+                        CE_Discriminant_Check_Failed, Ent => Discr);
                      return;
                   end if;
                end if;
@@ -1070,7 +1078,9 @@ package body Checks is
       end if;
 
       Insert_Action (N,
-        Make_Raise_Constraint_Error (Loc, Condition => Cond));
+        Make_Raise_Constraint_Error (Loc,
+          Condition => Cond,
+          Reason    => CE_Discriminant_Check_Failed));
 
    end Apply_Discriminant_Check;
 
@@ -1094,7 +1104,7 @@ package body Checks is
 
    begin
       if Expander_Active
-        and then Software_Overflow_Checking
+        and not Backend_Divide_Checks_On_Target
       then
          Determine_Range (Right, ROK, Rlo, Rhi);
 
@@ -1109,7 +1119,8 @@ package body Checks is
                    Condition =>
                      Make_Op_Eq (Loc,
                        Left_Opnd => Duplicate_Subexpr (Right),
-                       Right_Opnd => Make_Integer_Literal (Loc, 0))));
+                       Right_Opnd => Make_Integer_Literal (Loc, 0)),
+                   Reason => CE_Divide_By_Zero));
             end if;
          end if;
 
@@ -1139,7 +1150,8 @@ package body Checks is
                            Make_Op_Eq (Loc,
                              Left_Opnd => Duplicate_Subexpr (Right),
                              Right_Opnd =>
-                               Make_Integer_Literal (Loc, -1)))));
+                               Make_Integer_Literal (Loc, -1))),
+                      Reason => CE_Overflow_Check_Failed));
                end if;
             end if;
          end if;
@@ -1211,7 +1223,7 @@ package body Checks is
       procedure Bad_Value is
       begin
          Apply_Compile_Time_Constraint_Error
-           (Expr, "value not in range of}?",
+           (Expr, "value not in range of}?", CE_Range_Check_Failed,
             Ent => Target_Typ,
             Typ => Target_Typ);
       end Bad_Value;
@@ -1439,7 +1451,7 @@ package body Checks is
                       (not Length_Checks_Suppressed (Target_Typ));
 
    begin
-      if not Expander_Active or else not Checks_On then
+      if not Expander_Active then
          return;
       end if;
 
@@ -1478,13 +1490,14 @@ package body Checks is
          then
             Cond := Condition (R_Cno);
 
-            if not Has_Dynamic_Length_Check (Ck_Node) then
+            if not Has_Dynamic_Length_Check (Ck_Node)
+              and then Checks_On
+            then
                Insert_Action (Ck_Node, R_Cno);
 
                if not Do_Static then
                   Set_Has_Dynamic_Length_Check (Ck_Node);
                end if;
-
             end if;
 
             --  Output a warning if the condition is known to be True
@@ -1494,6 +1507,7 @@ package body Checks is
             then
                Apply_Compile_Time_Constraint_Error
                  (Ck_Node, "wrong length for array of}?",
+                  CE_Length_Check_Failed,
                   Ent => Target_Typ,
                   Typ => Target_Typ);
 
@@ -1576,6 +1590,7 @@ package body Checks is
                if Nkind (Ck_Node) = N_Range then
                   Apply_Compile_Time_Constraint_Error
                     (Low_Bound (Ck_Node), "static range out of bounds of}?",
+                     CE_Range_Check_Failed,
                      Ent => Target_Typ,
                      Typ => Target_Typ);
 
@@ -1584,6 +1599,7 @@ package body Checks is
                else
                   Apply_Compile_Time_Constraint_Error
                     (Ck_Node, "static value out of range of}?",
+                     CE_Range_Check_Failed,
                      Ent => Target_Typ,
                      Typ => Target_Typ);
                end if;
@@ -1661,10 +1677,10 @@ package body Checks is
       if Inside_A_Generic then
          return;
 
-      --  Skip these checks if errors detected, there are some nasty
+      --  Skip these checks if serious errors detected, there are some nasty
       --  situations of incomplete trees that blow things up.
 
-      elsif Errors_Detected > 0 then
+      elsif Serious_Errors_Detected > 0 then
          return;
 
       --  Scalar type conversions of the form Target_Type (Expr) require
@@ -1778,7 +1794,9 @@ package body Checks is
             Set_Discriminant_Constraint (Expr_Type, Old_Constraints);
 
             Insert_Action (N,
-              Make_Raise_Constraint_Error (Loc, Condition => Cond));
+              Make_Raise_Constraint_Error (Loc,
+                Condition => Cond,
+                Reason    => CE_Discriminant_Check_Failed));
          end;
 
       --  should there be other checks here for array types ???
@@ -2774,7 +2792,8 @@ package body Checks is
 
          else
             Check_Node :=
-              Make_Raise_Constraint_Error (Internal_Static_Sloc);
+              Make_Raise_Constraint_Error (Internal_Static_Sloc,
+                Reason => CE_Range_Check_Failed);
             Mark_Rewrite_Insertion (Check_Node);
 
             if Do_Before then
@@ -2812,7 +2831,7 @@ package body Checks is
          Exp := Expression (Exp);
       end loop;
 
-      --  insert the validity check. Note that we do this with validity
+      --  Insert the validity check. Note that we do this with validity
       --  checks turned off, to avoid recursion, we do not want validity
       --  checks on the validity checking code itself!
 
@@ -2826,7 +2845,8 @@ package body Checks is
                  Make_Attribute_Reference (Loc,
                    Prefix =>
                      Duplicate_Subexpr (Exp, Name_Req => True),
-                   Attribute_Name => Name_Valid))),
+                   Attribute_Name => Name_Valid)),
+           Reason => CE_Invalid_Data),
          Suppress => All_Checks);
       Validity_Checks_On := True;
    end Insert_Valid_Check;
@@ -2840,7 +2860,9 @@ package body Checks is
       Typ  : constant Entity_Id := Etype (R_Cno);
 
    begin
-      Rewrite (R_Cno, Make_Raise_Constraint_Error (Loc));
+      Rewrite (R_Cno,
+        Make_Raise_Constraint_Error (Loc,
+          Reason => CE_Range_Check_Failed));
       Set_Analyzed (R_Cno);
       Set_Etype (R_Cno, Typ);
       Set_Raises_Constraint_Error (R_Cno);
@@ -3274,7 +3296,8 @@ package body Checks is
 
                   for Indx in 1 .. Ndims loop
                      if not (Nkind (L_Index) = N_Raise_Constraint_Error
-                       or else Nkind (R_Index) = N_Raise_Constraint_Error)
+                               or else
+                             Nkind (R_Index) = N_Raise_Constraint_Error)
                      then
                         Get_Index_Bounds (L_Index, L_Low, L_High);
                         Get_Index_Bounds (R_Index, R_Low, R_High);
@@ -3351,7 +3374,7 @@ package body Checks is
 
             else
                declare
-                  Ndims   : Nat := Number_Dimensions (T_Typ);
+                  Ndims : Nat := Number_Dimensions (T_Typ);
 
                begin
                   --  Build the condition for the explicit dereference case
@@ -3372,11 +3395,13 @@ package body Checks is
             Cond := Guard_Access (Cond, Loc, Ck_Node);
          end if;
 
-         Add_Check (Make_Raise_Constraint_Error (Loc, Condition => Cond));
+         Add_Check
+           (Make_Raise_Constraint_Error (Loc,
+              Condition => Cond,
+              Reason => CE_Length_Check_Failed));
       end if;
 
       return Ret_Result;
-
    end Selected_Length_Checks;
 
    ---------------------------
@@ -4074,7 +4099,8 @@ package body Checks is
 
                   for Indx in 1 .. Ndims loop
                      if not (Nkind (L_Index) = N_Raise_Constraint_Error
-                       or else Nkind (R_Index) = N_Raise_Constraint_Error)
+                               or else
+                             Nkind (R_Index) = N_Raise_Constraint_Error)
                      then
                         Get_Index_Bounds (L_Index, L_Low, L_High);
                         Get_Index_Bounds (R_Index, R_Low, R_High);
@@ -4193,11 +4219,13 @@ package body Checks is
             Cond := Guard_Access (Cond, Loc, Ck_Node);
          end if;
 
-         Add_Check (Make_Raise_Constraint_Error (Loc, Condition => Cond));
+         Add_Check
+           (Make_Raise_Constraint_Error (Loc,
+              Condition => Cond,
+              Reason    => CE_Range_Check_Failed));
       end if;
 
       return Ret_Result;
-
    end Selected_Range_Checks;
 
    -------------------------------