------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- B I N D G E N -- -- -- -- B o d y -- -- -- -- -- -- 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- -- -- ware Foundation; either version 2, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNAT; see file COPYING. If not, write -- -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- -- MA 02111-1307, USA. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with ALI; use ALI; with Binde; use Binde; with Butil; use Butil; with Casing; use Casing; with Fname; use Fname; with GNAT.OS_Lib; use GNAT.OS_Lib; with Gnatvsn; use Gnatvsn; with Hostparm; with Namet; use Namet; with Opt; use Opt; with Osint; use Osint; with Osint.B; use Osint.B; with Output; use Output; with Types; use Types; with Sdefault; use Sdefault; with GNAT.Heap_Sort_A; use GNAT.Heap_Sort_A; package body Bindgen is Statement_Buffer : String (1 .. 1000); -- Buffer used for constructing output statements Last : Natural := 0; -- Last location in Statement_Buffer currently set With_DECGNAT : Boolean := False; -- Flag which indicates whether the program uses the DECGNAT library -- (presence of the unit System.Aux_DEC.DECLIB) With_GNARL : Boolean := False; -- Flag which indicates whether the program uses the GNARL library -- (presence of the unit System.OS_Interface) Num_Elab_Calls : Nat := 0; -- Number of generated calls to elaboration routines ----------------------- -- Local Subprograms -- ----------------------- procedure WBI (Info : String) renames Osint.B.Write_Binder_Info; -- Convenient shorthand used throughout procedure Resolve_Binder_Options; -- Set the value of With_GNARL and With_DECGNAT. The latter only on VMS -- since it tests for a package named "dec" which might cause a conflict -- on non-VMS systems. procedure Gen_Adainit_Ada; -- Generates the Adainit procedure (Ada code case) procedure Gen_Adainit_C; -- Generates the Adainit procedure (C code case) procedure Gen_Adafinal_Ada; -- Generate the Adafinal procedure (Ada code case) procedure Gen_Adafinal_C; -- Generate the Adafinal procedure (C code case) procedure Gen_Elab_Calls_Ada; -- Generate sequence of elaboration calls (Ada code case) procedure Gen_Elab_Calls_C; -- Generate sequence of elaboration calls (C code case) procedure Gen_Elab_Order_Ada; -- Generate comments showing elaboration order chosen (Ada case) procedure Gen_Elab_Order_C; -- Generate comments showing elaboration order chosen (C case) procedure Gen_Elab_Defs_C; -- Generate sequence of definitions for elaboration routines (C code case) procedure Gen_Exception_Table_Ada; -- Generate binder exception table (Ada code case). This consists of -- declarations followed by a begin followed by a call. If zero cost -- exceptions are not active, then only the begin is generated. procedure Gen_Exception_Table_C; -- Generate binder exception table (C code case). This has no effect -- if zero cost exceptions are not active, otherwise it generates a -- set of declarations followed by a call. procedure Gen_Main_Ada; -- Generate procedure main (Ada code case) procedure Gen_Main_C; -- Generate main() procedure (C code case) procedure Gen_Object_Files_Options; -- Output comments containing a list of the full names of the object -- files to be linked and the list of linker options supplied by -- Linker_Options pragmas in the source. (C and Ada code case) procedure Gen_Output_File_Ada (Filename : String); -- Generate output file (Ada code case) procedure Gen_Output_File_C (Filename : String); -- Generate output file (C code case) procedure Gen_Scalar_Values; -- Generates scalar initialization values for -Snn. A single procedure -- handles both the Ada and C cases, since there is much common code. procedure Gen_Versions_Ada; -- Output series of definitions for unit versions (Ada code case) procedure Gen_Versions_C; -- Output series of definitions for unit versions (C code case) function Get_Ada_Main_Name return String; -- This function is used in the Ada main output case to compute a usable -- name for the generated main program. The normal main program name is -- Ada_Main, but this won't work if the user has a unit with this name. -- This function tries Ada_Main first, and if there is such a clash, then -- it tries Ada_Name_01, Ada_Name_02 ... Ada_Name_99 in sequence. function Get_Main_Name return String; -- This function is used in the Ada main output case to compute the -- correct external main program. It is "main" by default, except on -- VxWorks where it is the name of the Ada main name without the "_ada". -- the -Mname binder option overrides the default with name. function Lt_Linker_Option (Op1, Op2 : Natural) return Boolean; -- Compare linker options, when sorting, first according to -- Is_Internal_File (internal files come later) and then by -- elaboration order position (latest to earliest). procedure Move_Linker_Option (From : Natural; To : Natural); -- Move routine for sorting linker options procedure Set_Char (C : Character); -- Set given character in Statement_Buffer at the Last + 1 position -- and increment Last by one to reflect the stored character. procedure Set_Int (N : Int); -- Set given value in decimal in Statement_Buffer with no spaces -- starting at the Last + 1 position, and updating Last past the value. -- A minus sign is output for a negative value. procedure Set_Main_Program_Name; -- Given the main program name in Name_Buffer (length in Name_Len) -- generate the name of the routine to be used in the call. The name -- is generated starting at Last + 1, and Last is updated past it. procedure Set_Name_Buffer; -- Set the value stored in positions 1 .. Name_Len of the Name_Buffer. procedure Set_String (S : String); -- Sets characters of given string in Statement_Buffer, starting at the -- Last + 1 position, and updating last past the string value. procedure Set_Unit_Name; -- Given a unit name in the Name_Buffer, copies it to Statement_Buffer, -- starting at the Last + 1 position, and updating last past the value. -- changing periods to double underscores, and updating Last appropriately. procedure Set_Unit_Number (U : Unit_Id); -- Sets unit number (first unit is 1, leading zeroes output to line -- up all output unit numbers nicely as required by the value, and -- by the total number of units. procedure Tab_To (N : Natural); -- If Last is greater than or equal to N, no effect, otherwise store -- blanks in Statement_Buffer bumping Last, until Last = N. procedure Write_Info_Ada_C (Ada : String; C : String; Common : String); -- For C code case, write C & Common, for Ada case write Ada & Common -- to current binder output file using Write_Binder_Info. procedure Write_Statement_Buffer; -- Write out contents of statement buffer up to Last, and reset Last to 0 procedure Write_Statement_Buffer (S : String); -- First writes its argument (using Set_String (S)), then writes out the -- contents of statement buffer up to Last, and reset Last to 0 ---------------------- -- Gen_Adafinal_Ada -- ---------------------- procedure Gen_Adafinal_Ada is begin WBI (""); WBI (" procedure " & Ada_Final_Name.all & " is"); WBI (" begin"); -- If compiling for the JVM, we directly call Adafinal because -- we don't import it via Do_Finalize (see Gen_Output_File_Ada). if Hostparm.Java_VM then WBI (" System.Standard_Library.Adafinal;"); else WBI (" Do_Finalize;"); end if; WBI (" end " & Ada_Final_Name.all & ";"); end Gen_Adafinal_Ada; -------------------- -- Gen_Adafinal_C -- -------------------- procedure Gen_Adafinal_C is begin WBI ("void " & Ada_Final_Name.all & " () {"); WBI (" system__standard_library__adafinal ();"); WBI ("}"); WBI (""); end Gen_Adafinal_C; --------------------- -- Gen_Adainit_Ada -- --------------------- procedure Gen_Adainit_Ada is Main_Priority : Int renames ALIs.Table (ALIs.First).Main_Priority; begin WBI (" procedure " & Ada_Init_Name.all & " is"); -- Generate externals for elaboration entities for E in Elab_Order.First .. Elab_Order.Last loop declare Unum : constant Unit_Id := Elab_Order.Table (E); U : Unit_Record renames Units.Table (Unum); begin if U.Set_Elab_Entity then Set_String (" "); Set_String ("E"); Set_Unit_Number (Unum); Set_String (" : Boolean; pragma Import (Ada, "); Set_String ("E"); Set_Unit_Number (Unum); Set_String (", """); Get_Name_String (U.Uname); -- In the case of JGNAT we need to emit an Import name -- that includes the class name (using '$' separators -- in the case of a child unit name). if Hostparm.Java_VM then for J in 1 .. Name_Len - 2 loop if Name_Buffer (J) /= '.' then Set_Char (Name_Buffer (J)); else Set_String ("$"); end if; end loop; Set_String ("."); -- If the unit name is very long, then split the -- Import link name across lines using "&" (occurs -- in some C2 tests). if 2 * Name_Len + 60 > Hostparm.Max_Line_Length then Set_String (""" &"); Write_Statement_Buffer; Set_String (" """); end if; end if; Set_Unit_Name; Set_String ("_E"");"); Write_Statement_Buffer; end if; end; end loop; Write_Statement_Buffer; -- Case of No_Run_Time mode. The only global variable that might -- be needed (by the Ravenscar profile) is the priority of the -- environment. Also no exception tables are needed. if No_Run_Time_Specified then if Main_Priority /= No_Main_Priority then WBI (" Main_Priority : Integer;"); WBI (" pragma Import (C, Main_Priority," & " ""__gl_main_priority"");"); WBI (""); end if; WBI (" begin"); if Main_Priority /= No_Main_Priority then Set_String (" Main_Priority := "); Set_Int (Main_Priority); Set_Char (';'); Write_Statement_Buffer; else WBI (" null;"); end if; -- Normal case (not No_Run_Time mode). The global values are -- assigned using the runtime routine Set_Globals (we have to use -- the routine call, rather than define the globals in the binder -- file to deal with cross-library calls in some systems. else -- Generate restrictions string Set_String (" Restrictions : constant String :="); Write_Statement_Buffer; Set_String (" """); for J in Restrictions'Range loop Set_Char (Restrictions (J)); end loop; Set_String (""";"); Write_Statement_Buffer; WBI (""); WBI (" procedure Set_Globals"); WBI (" (Main_Priority : Integer;"); WBI (" Time_Slice_Value : Integer;"); WBI (" WC_Encoding : Character;"); WBI (" Locking_Policy : Character;"); WBI (" Queuing_Policy : Character;"); WBI (" Task_Dispatching_Policy : Character;"); WBI (" Restrictions : System.Address;"); WBI (" Unreserve_All_Interrupts : Integer;"); WBI (" Exception_Tracebacks : Integer;"); WBI (" Zero_Cost_Exceptions : Integer);"); WBI (" pragma Import (C, Set_Globals, ""__gnat_set_globals"");"); -- Import entry point for elaboration time signal handler -- installation, and indication of whether it's been called -- previously WBI (""); WBI (" procedure Install_Handler;"); WBI (" pragma Import (C, Install_Handler, " & """__gnat_install_handler"");"); WBI (""); WBI (" Handler_Installed : Integer;"); WBI (" pragma Import (C, Handler_Installed, " & """__gnat_handler_installed"");"); -- Generate exception table Gen_Exception_Table_Ada; -- Generate the call to Set_Globals WBI (" Set_Globals"); Set_String (" (Main_Priority => "); Set_Int (Main_Priority); Set_Char (','); Write_Statement_Buffer; Set_String (" Time_Slice_Value => "); if Task_Dispatching_Policy_Specified = 'F' and then ALIs.Table (ALIs.First).Time_Slice_Value = -1 then Set_Int (0); else Set_Int (ALIs.Table (ALIs.First).Time_Slice_Value); end if; Set_Char (','); Write_Statement_Buffer; Set_String (" WC_Encoding => '"); Set_Char (ALIs.Table (ALIs.First).WC_Encoding); Set_String ("',"); Write_Statement_Buffer; Set_String (" Locking_Policy => '"); Set_Char (Locking_Policy_Specified); Set_String ("',"); Write_Statement_Buffer; Set_String (" Queuing_Policy => '"); Set_Char (Queuing_Policy_Specified); Set_String ("',"); Write_Statement_Buffer; Set_String (" Task_Dispatching_Policy => '"); Set_Char (Task_Dispatching_Policy_Specified); Set_String ("',"); Write_Statement_Buffer; WBI (" Restrictions => Restrictions'Address,"); Set_String (" Unreserve_All_Interrupts => "); if Unreserve_All_Interrupts_Specified then Set_String ("1"); else Set_String ("0"); end if; Set_String (","); Write_Statement_Buffer; Set_String (" Exception_Tracebacks => "); if Exception_Tracebacks then Set_String ("1"); else Set_String ("0"); end if; Set_String (","); Write_Statement_Buffer; Set_String (" Zero_Cost_Exceptions => "); if Zero_Cost_Exceptions_Specified then Set_String ("1"); else Set_String ("0"); end if; Set_String (");"); Write_Statement_Buffer; -- Generate call to Install_Handler WBI (""); WBI (" if Handler_Installed = 0 then"); WBI (" Install_Handler;"); WBI (" end if;"); end if; Gen_Elab_Calls_Ada; WBI (" end " & Ada_Init_Name.all & ";"); end Gen_Adainit_Ada; ------------------- -- Gen_Adainit_C -- -------------------- procedure Gen_Adainit_C is Main_Priority : Int renames ALIs.Table (ALIs.First).Main_Priority; begin WBI ("void " & Ada_Init_Name.all & " ()"); WBI ("{"); -- Generate externals for elaboration entities for E in Elab_Order.First .. Elab_Order.Last loop declare Unum : constant Unit_Id := Elab_Order.Table (E); U : Unit_Record renames Units.Table (Unum); begin if U.Set_Elab_Entity then Set_String (" extern char "); Get_Name_String (U.Uname); Set_Unit_Name; Set_String ("_E;"); Write_Statement_Buffer; end if; end; end loop; Write_Statement_Buffer; -- No run-time case if No_Run_Time_Specified then -- Case of No_Run_Time mode. Set __gl_main_priority if needed -- for the Ravenscar profile. if Main_Priority /= No_Main_Priority then Set_String (" extern int __gl_main_priority = "); Set_Int (Main_Priority); Set_Char (';'); Write_Statement_Buffer; end if; -- Normal case (run time present) else -- Generate definition for restrictions string Set_String (" const char *restrictions = """); for J in Restrictions'Range loop Set_Char (Restrictions (J)); end loop; Set_String (""";"); Write_Statement_Buffer; -- Code for normal case (not in No_Run_Time mode) Gen_Exception_Table_C; -- Generate call to set the runtime global variables defined in -- a-init.c. We define the varables in a-init.c, rather than in -- the binder generated file itself to avoid undefined externals -- when the runtime is linked as a shareable image library. -- We call the routine from inside adainit() because this works for -- both programs with and without binder generated "main" functions. WBI (" __gnat_set_globals ("); Set_String (" "); Set_Int (Main_Priority); Set_Char (','); Tab_To (15); Set_String ("/* Main_Priority */"); Write_Statement_Buffer; Set_String (" "); if Task_Dispatching_Policy = 'F' and then ALIs.Table (ALIs.First).Time_Slice_Value = -1 then Set_Int (0); else Set_Int (ALIs.Table (ALIs.First).Time_Slice_Value); end if; Set_Char (','); Tab_To (20); Set_String ("/* Time_Slice_Value */"); Write_Statement_Buffer; Set_String (" '"); Set_Char (ALIs.Table (ALIs.First).WC_Encoding); Set_String ("',"); Tab_To (20); Set_String ("/* WC_Encoding */"); Write_Statement_Buffer; Set_String (" '"); Set_Char (Locking_Policy_Specified); Set_String ("',"); Tab_To (20); Set_String ("/* Locking_Policy */"); Write_Statement_Buffer; Set_String (" '"); Set_Char (Queuing_Policy_Specified); Set_String ("',"); Tab_To (20); Set_String ("/* Queuing_Policy */"); Write_Statement_Buffer; Set_String (" '"); Set_Char (Task_Dispatching_Policy_Specified); Set_String ("',"); Tab_To (20); Set_String ("/* Tasking_Dispatching_Policy */"); Write_Statement_Buffer; Set_String (" "); Set_String ("restrictions"); Set_String (","); Tab_To (20); Set_String ("/* Restrictions */"); Write_Statement_Buffer; Set_String (" "); Set_Int (Boolean'Pos (Unreserve_All_Interrupts_Specified)); Set_String (","); Tab_To (20); Set_String ("/* Unreserve_All_Interrupts */"); Write_Statement_Buffer; Set_String (" "); Set_Int (Boolean'Pos (Exception_Tracebacks)); Set_String (","); Tab_To (20); Set_String ("/* Exception_Tracebacks */"); Write_Statement_Buffer; Set_String (" "); Set_Int (Boolean'Pos (Zero_Cost_Exceptions_Specified)); Set_String (");"); Tab_To (20); Set_String ("/* Zero_Cost_Exceptions */"); Write_Statement_Buffer; -- Install elaboration time signal handler WBI (" if (__gnat_handler_installed == 0)"); WBI (" {"); WBI (" __gnat_install_handler ();"); WBI (" }"); end if; WBI (""); Gen_Elab_Calls_C; WBI ("}"); end Gen_Adainit_C; ------------------------ -- Gen_Elab_Calls_Ada -- ------------------------ procedure Gen_Elab_Calls_Ada is begin for E in Elab_Order.First .. Elab_Order.Last loop declare Unum : constant Unit_Id := Elab_Order.Table (E); U : Unit_Record renames Units.Table (Unum); Unum_Spec : Unit_Id; -- This is the unit number of the spec that corresponds to -- this entry. It is the same as Unum except when the body -- and spec are different and we are currently processing -- the body, in which case it is the spec (Unum + 1). begin if U.Utype = Is_Body then Unum_Spec := Unum + 1; else Unum_Spec := Unum; end if; -- Case of no elaboration code if U.No_Elab then -- The only case in which we have to do something is if -- this is a body, with a separate spec, where the separate -- spec has an elaboration entity defined. -- In that case, this is where we set the elaboration entity -- to True, we do not need to test if this has already been -- done, since it is quicker to set the flag than to test it. if U.Utype = Is_Body and then Units.Table (Unum_Spec).Set_Elab_Entity then Set_String (" E"); Set_Unit_Number (Unum_Spec); Set_String (" := True;"); Write_Statement_Buffer; end if; -- Here if elaboration code is present. We generate: -- if not uname_E then -- uname'elab_[spec|body]; -- uname_E := True; -- end if; -- The uname_E assignment is skipped if this is a separate spec, -- since the assignment will be done when we process the body. else Set_String (" if not E"); Set_Unit_Number (Unum_Spec); Set_String (" then"); Write_Statement_Buffer; Set_String (" "); Get_Decoded_Name_String_With_Brackets (U.Uname); if Name_Buffer (Name_Len) = 's' then Name_Buffer (Name_Len - 1 .. Name_Len + 8) := "'elab_spec"; else Name_Buffer (Name_Len - 1 .. Name_Len + 8) := "'elab_body"; end if; Name_Len := Name_Len + 8; Set_Casing (U.Icasing); Set_Name_Buffer; Set_Char (';'); Write_Statement_Buffer; if U.Utype /= Is_Spec then Set_String (" E"); Set_Unit_Number (Unum_Spec); Set_String (" := True;"); Write_Statement_Buffer; end if; WBI (" end if;"); end if; end; end loop; end Gen_Elab_Calls_Ada; ---------------------- -- Gen_Elab_Calls_C -- ---------------------- procedure Gen_Elab_Calls_C is begin for E in Elab_Order.First .. Elab_Order.Last loop declare Unum : constant Unit_Id := Elab_Order.Table (E); U : Unit_Record renames Units.Table (Unum); Unum_Spec : Unit_Id; -- This is the unit number of the spec that corresponds to -- this entry. It is the same as Unum except when the body -- and spec are different and we are currently processing -- the body, in which case it is the spec (Unum + 1). begin if U.Utype = Is_Body then Unum_Spec := Unum + 1; else Unum_Spec := Unum; end if; -- Case of no elaboration code if U.No_Elab then -- The only case in which we have to do something is if -- this is a body, with a separate spec, where the separate -- spec has an elaboration entity defined. -- In that case, this is where we set the elaboration entity -- to True, we do not need to test if this has already been -- done, since it is quicker to set the flag than to test it. if U.Utype = Is_Body and then Units.Table (Unum_Spec).Set_Elab_Entity then Set_String (" "); Get_Name_String (U.Uname); Set_Unit_Name; Set_String ("_E = 1;"); Write_Statement_Buffer; end if; -- Here if elaboration code is present. We generate: -- if (uname_E == 0) { -- uname__elab[s|b] (); -- uname_E++; -- } -- The uname_E assignment is skipped if this is a separate spec, -- since the assignment will be done when we process the body. else Set_String (" if ("); Get_Name_String (U.Uname); Set_Unit_Name; Set_String ("_E == 0) {"); Write_Statement_Buffer; Set_String (" "); Set_Unit_Name; Set_String ("___elab"); Set_Char (Name_Buffer (Name_Len)); -- 's' or 'b' for spec/body Set_String (" ();"); Write_Statement_Buffer; if U.Utype /= Is_Spec then Set_String (" "); Set_Unit_Name; Set_String ("_E++;"); Write_Statement_Buffer; end if; WBI (" }"); end if; end; end loop; end Gen_Elab_Calls_C; ---------------------- -- Gen_Elab_Defs_C -- ---------------------- procedure Gen_Elab_Defs_C is begin for E in Elab_Order.First .. Elab_Order.Last loop -- Generate declaration of elaboration procedure if elaboration -- needed. Note that passive units are always excluded. if not Units.Table (Elab_Order.Table (E)).No_Elab then Get_Name_String (Units.Table (Elab_Order.Table (E)).Uname); Set_String ("extern void "); Set_Unit_Name; Set_String ("___elab"); Set_Char (Name_Buffer (Name_Len)); -- 's' or 'b' for spec/body Set_String (" PARAMS ((void));"); Write_Statement_Buffer; end if; end loop; WBI (""); end Gen_Elab_Defs_C; ------------------------ -- Gen_Elab_Order_Ada -- ------------------------ procedure Gen_Elab_Order_Ada is begin WBI (""); WBI (" -- BEGIN ELABORATION ORDER"); for J in Elab_Order.First .. Elab_Order.Last loop Set_String (" -- "); Get_Unit_Name_String (Units.Table (Elab_Order.Table (J)).Uname); Set_Name_Buffer; Write_Statement_Buffer; end loop; WBI (" -- END ELABORATION ORDER"); end Gen_Elab_Order_Ada; ---------------------- -- Gen_Elab_Order_C -- ---------------------- procedure Gen_Elab_Order_C is begin WBI (""); WBI ("/* BEGIN ELABORATION ORDER"); for J in Elab_Order.First .. Elab_Order.Last loop Get_Unit_Name_String (Units.Table (Elab_Order.Table (J)).Uname); Set_Name_Buffer; Write_Statement_Buffer; end loop; WBI (" END ELABORATION ORDER */"); end Gen_Elab_Order_C; ----------------------------- -- Gen_Exception_Table_Ada -- ----------------------------- procedure Gen_Exception_Table_Ada is Num : Nat; Last : ALI_Id := No_ALI_Id; begin if not Zero_Cost_Exceptions_Specified then WBI (" begin"); return; end if; -- The code we generate looks like -- procedure SDP_Table_Build -- (SDP_Addresses : System.Address; -- SDP_Count : Natural; -- Elab_Addresses : System.Address; -- Elab_Addr_Count : Natural); -- pragma Import (C, SDP_Table_Build, "__gnat_SDP_Table_Build"); -- -- ST : aliased constant array (1 .. nnn) of System.Address := ( -- unit_name_1'UET_Address, -- unit_name_2'UET_Address, -- ... -- unit_name_3'UET_Address, -- -- EA : aliased constant array (1 .. eee) of System.Address := ( -- adainit'Code_Address, -- adafinal'Code_Address, -- unit_name'elab[spec|body]'Code_Address, -- unit_name'elab[spec|body]'Code_Address, -- unit_name'elab[spec|body]'Code_Address, -- unit_name'elab[spec|body]'Code_Address); -- -- begin -- SDP_Table_Build (ST'Address, nnn, EA'Address, eee); Num := 0; for A in ALIs.First .. ALIs.Last loop if ALIs.Table (A).Unit_Exception_Table then Num := Num + 1; Last := A; end if; end loop; if Num = 0 then -- Happens with "gnatmake -a -f -gnatL ..." WBI (" "); WBI (" begin"); return; end if; WBI (" procedure SDP_Table_Build"); WBI (" (SDP_Addresses : System.Address;"); WBI (" SDP_Count : Natural;"); WBI (" Elab_Addresses : System.Address;"); WBI (" Elab_Addr_Count : Natural);"); WBI (" " & "pragma Import (C, SDP_Table_Build, ""__gnat_SDP_Table_Build"");"); WBI (" "); Set_String (" ST : aliased constant array (1 .. "); Set_Int (Num); Set_String (") of System.Address := ("); if Num = 1 then Set_String ("1 => A1);"); Write_Statement_Buffer; else Write_Statement_Buffer; for A in ALIs.First .. ALIs.Last loop if ALIs.Table (A).Unit_Exception_Table then Get_Decoded_Name_String_With_Brackets (Units.Table (ALIs.Table (A).First_Unit).Uname); Set_Casing (Mixed_Case); Set_String (" "); Set_String (Name_Buffer (1 .. Name_Len - 2)); Set_String ("'UET_Address"); if A = Last then Set_String (");"); else Set_Char (','); end if; Write_Statement_Buffer; end if; end loop; end if; WBI (" "); Set_String (" EA : aliased constant array (1 .. "); Set_Int (Num_Elab_Calls + 2); Set_String (") of System.Address := ("); Write_Statement_Buffer; WBI (" " & Ada_Init_Name.all & "'Code_Address,"); -- If compiling for the JVM, we directly reference Adafinal because -- we don't import it via Do_Finalize (see Gen_Output_File_Ada). if Hostparm.Java_VM then Set_String (" System.Standard_Library.Adafinal'Code_Address"); else Set_String (" Do_Finalize'Code_Address"); end if; for E in Elab_Order.First .. Elab_Order.Last loop Get_Decoded_Name_String_With_Brackets (Units.Table (Elab_Order.Table (E)).Uname); if Units.Table (Elab_Order.Table (E)).No_Elab then null; else Set_Char (','); Write_Statement_Buffer; Set_String (" "); if Name_Buffer (Name_Len) = 's' then Name_Buffer (Name_Len - 1 .. Name_Len + 21) := "'elab_spec'code_address"; else Name_Buffer (Name_Len - 1 .. Name_Len + 21) := "'elab_body'code_address"; end if; Name_Len := Name_Len + 21; Set_Casing (Units.Table (Elab_Order.Table (E)).Icasing); Set_Name_Buffer; end if; end loop; Set_String (");"); Write_Statement_Buffer; WBI (" "); WBI (" begin"); Set_String (" SDP_Table_Build (ST'Address, "); Set_Int (Num); Set_String (", EA'Address, "); Set_Int (Num_Elab_Calls + 2); Set_String (");"); Write_Statement_Buffer; end Gen_Exception_Table_Ada; --------------------------- -- Gen_Exception_Table_C -- --------------------------- procedure Gen_Exception_Table_C is Num : Nat; Num2 : Nat; begin if not Zero_Cost_Exceptions_Specified then return; end if; -- The code we generate looks like -- extern void *__gnat_unitname1__SDP; -- extern void *__gnat_unitname2__SDP; -- ... -- -- void **st[nnn] = { -- &__gnat_unitname1__SDP, -- &__gnat_unitname2__SDP, -- ... -- &__gnat_unitnamen__SDP}; -- -- extern void unitname1__elabb (); -- extern void unitname2__elabb (); -- ... -- -- void (*ea[eee]) () = { -- adainit, -- adafinal, -- unitname1___elab[b,s], -- unitname2___elab[b,s], -- ... -- unitnamen___elab[b,s]}; -- -- __gnat_SDP_Table_Build (&st, nnn, &ea, eee); Num := 0; for A in ALIs.First .. ALIs.Last loop if ALIs.Table (A).Unit_Exception_Table then Num := Num + 1; Set_String (" extern void *__gnat_"); Get_Name_String (Units.Table (ALIs.Table (A).First_Unit).Uname); Set_Unit_Name; Set_String ("__SDP"); Set_Char (';'); Write_Statement_Buffer; end if; end loop; if Num = 0 then -- Happens with "gnatmake -a -f -gnatL ..." return; end if; WBI (" "); Set_String (" void **st["); Set_Int (Num); Set_String ("] = {"); Write_Statement_Buffer; Num2 := 0; for A in ALIs.First .. ALIs.Last loop if ALIs.Table (A).Unit_Exception_Table then Num2 := Num2 + 1; Set_String (" &__gnat_"); Get_Name_String (Units.Table (ALIs.Table (A).First_Unit).Uname); Set_Unit_Name; Set_String ("__SDP"); if Num = Num2 then Set_String ("};"); else Set_Char (','); end if; Write_Statement_Buffer; end if; end loop; WBI (""); for E in Elab_Order.First .. Elab_Order.Last loop Get_Name_String (Units.Table (Elab_Order.Table (E)).Uname); if Units.Table (Elab_Order.Table (E)).No_Elab then null; else Set_String (" extern void "); Set_Unit_Name; Set_String ("___elab"); Set_Char (Name_Buffer (Name_Len)); -- 's' or 'b' for spec/body Set_String (" ();"); Write_Statement_Buffer; end if; end loop; WBI (""); Set_String (" void (*ea["); Set_Int (Num_Elab_Calls + 2); Set_String ("]) () = {"); Write_Statement_Buffer; WBI (" " & Ada_Init_Name.all & ","); Set_String (" system__standard_library__adafinal"); for E in Elab_Order.First .. Elab_Order.Last loop Get_Name_String (Units.Table (Elab_Order.Table (E)).Uname); if Units.Table (Elab_Order.Table (E)).No_Elab then null; else Set_Char (','); Write_Statement_Buffer; Set_String (" "); Set_Unit_Name; Set_String ("___elab"); Set_Char (Name_Buffer (Name_Len)); -- 's' or 'b' for spec/body end if; end loop; Set_String ("};"); Write_Statement_Buffer; WBI (" "); Set_String (" __gnat_SDP_Table_Build (&st, "); Set_Int (Num); Set_String (", ea, "); Set_Int (Num_Elab_Calls + 2); Set_String (");"); Write_Statement_Buffer; end Gen_Exception_Table_C; ------------------ -- Gen_Main_Ada -- ------------------ procedure Gen_Main_Ada is Target : constant String_Ptr := Target_Name; VxWorks_Target : constant Boolean := Target (Target'Last - 7 .. Target'Last) = "vxworks/" or else Target (Target'Last - 9 .. Target'Last) = "vxworksae/"; begin WBI (""); Set_String (" function "); Set_String (Get_Main_Name); if VxWorks_Target then Set_String (" return Integer is"); Write_Statement_Buffer; else Write_Statement_Buffer; WBI (" (argc : Integer;"); WBI (" argv : System.Address;"); WBI (" envp : System.Address)"); WBI (" return Integer"); WBI (" is"); end if; -- Initialize and Finalize are not used in No_Run_Time mode if not No_Run_Time_Specified then WBI (" procedure initialize;"); WBI (" pragma Import (C, initialize, ""__gnat_initialize"");"); WBI (""); WBI (" procedure finalize;"); WBI (" pragma Import (C, finalize, ""__gnat_finalize"");"); WBI (""); end if; -- Deal with declarations for main program case if not No_Main_Subprogram then -- To call the main program, we declare it using a pragma Import -- Ada with the right link name. -- It might seem more obvious to "with" the main program, and call -- it in the normal Ada manner. We do not do this for three reasons: -- 1. It is more efficient not to recompile the main program -- 2. We are not entitled to assume the source is accessible -- 3. We don't know what options to use to compile it -- It is really reason 3 that is most critical (indeed we used -- to generate the "with", but several regression tests failed). WBI (""); if ALIs.Table (ALIs.First).Main_Program = Func then WBI (" Result : Integer;"); WBI (""); WBI (" function Ada_Main_Program return Integer;"); else WBI (" procedure Ada_Main_Program;"); end if; Set_String (" pragma Import (Ada, Ada_Main_Program, """); Get_Name_String (Units.Table (First_Unit_Entry).Uname); Set_Main_Program_Name; Set_String (""");"); Write_Statement_Buffer; WBI (""); end if; -- Generate a reference to Ada_Main_Program_Name. This symbol is -- not referenced elsewhere in the generated program, but is needed -- by the debugger (that's why it is generated in the first place). -- The reference stops Ada_Main_Program_Name from being optimized -- away by smart linkers, such as the AiX linker. if Bind_Main_Program then WBI (" Ensure_Reference : System.Address := " & "Ada_Main_Program_Name'Address;"); WBI (""); end if; WBI (" begin"); -- On VxWorks, there are no command line arguments if VxWorks_Target then WBI (" gnat_argc := 0;"); WBI (" gnat_argv := System.Null_Address;"); WBI (" gnat_envp := System.Null_Address;"); -- Normal case of command line arguments present else WBI (" gnat_argc := argc;"); WBI (" gnat_argv := argv;"); WBI (" gnat_envp := envp;"); WBI (""); end if; if not No_Run_Time_Specified then WBI (" Initialize;"); end if; WBI (" " & Ada_Init_Name.all & ";"); if not No_Main_Subprogram then WBI (" Break_Start;"); if ALIs.Table (ALIs.First).Main_Program = Proc then WBI (" Ada_Main_Program;"); else WBI (" Result := Ada_Main_Program;"); end if; end if; -- Adafinal is only called if we have a run time if not No_Run_Time_Specified then -- If compiling for the JVM, we directly call Adafinal because -- we don't import it via Do_Finalize (see Gen_Output_File_Ada). if Hostparm.Java_VM then WBI (" System.Standard_Library.Adafinal;"); else WBI (" Do_Finalize;"); end if; end if; -- Finalize is only called if we have a run time if not No_Run_Time_Specified then WBI (" Finalize;"); end if; -- Return result if No_Main_Subprogram or else ALIs.Table (ALIs.First).Main_Program = Proc then WBI (" return (gnat_exit_status);"); else WBI (" return (Result);"); end if; WBI (" end;"); end Gen_Main_Ada; ---------------- -- Gen_Main_C -- ---------------- procedure Gen_Main_C is Target : constant String_Ptr := Target_Name; VxWorks_Target : constant Boolean := Target (Target'Last - 7 .. Target'Last) = "vxworks/" or else Target (Target'Last - 9 .. Target'Last) = "vxworksae/"; begin Set_String ("int "); Set_String (Get_Main_Name); -- On VxWorks, there are no command line arguments if VxWorks_Target then Set_String (" ()"); -- Normal case with command line arguments present else Set_String (" (argc, argv, envp)"); end if; Write_Statement_Buffer; -- VxWorks doesn't have the notion of argc/argv if VxWorks_Target then WBI ("{"); WBI (" int result;"); WBI (" gnat_argc = 0;"); WBI (" gnat_argv = 0;"); WBI (" gnat_envp = 0;"); -- Normal case of arguments present else WBI (" int argc;"); WBI (" char **argv;"); WBI (" char **envp;"); WBI ("{"); -- Generate a reference to __gnat_ada_main_program_name. This symbol -- is not referenced elsewhere in the generated program, but is -- needed by the debugger (that's why it is generated in the first -- place). The reference stops Ada_Main_Program_Name from being -- optimized away by smart linkers, such as the AiX linker. if Bind_Main_Program then WBI (" char *ensure_reference = __gnat_ada_main_program_name;"); WBI (""); end if; if ALIs.Table (ALIs.First).Main_Program = Func then WBI (" int result;"); end if; WBI (" gnat_argc = argc;"); WBI (" gnat_argv = argv;"); WBI (" gnat_envp = envp;"); WBI (" "); end if; -- The __gnat_initialize routine is used only if we have a run-time if not No_Run_Time_Specified then WBI (" __gnat_initialize ();"); end if; WBI (" " & Ada_Init_Name.all & " ();"); if not No_Main_Subprogram then WBI (" __gnat_break_start ();"); WBI (" "); -- Output main program name Get_Name_String (Units.Table (First_Unit_Entry).Uname); -- Main program is procedure case if ALIs.Table (ALIs.First).Main_Program = Proc then Set_String (" "); Set_Main_Program_Name; Set_String (" ();"); Write_Statement_Buffer; -- Main program is function case else -- ALIs.Table (ALIs_First).Main_Program = Func Set_String (" result = "); Set_Main_Program_Name; Set_String (" ();"); Write_Statement_Buffer; end if; end if; -- Adafinal is called only when we have a run-time if not No_Run_Time_Specified then WBI (" "); WBI (" system__standard_library__adafinal ();"); end if; -- The finalize routine is used only if we have a run-time if not No_Run_Time_Specified then WBI (" __gnat_finalize ();"); end if; if ALIs.Table (ALIs.First).Main_Program = Func then if Hostparm.OpenVMS then -- VMS must use the Posix exit routine in order to get an -- Unix compatible exit status. WBI (" __posix_exit (result);"); else WBI (" exit (result);"); end if; else if Hostparm.OpenVMS then -- VMS must use the Posix exit routine in order to get an -- Unix compatible exit status. WBI (" __posix_exit (gnat_exit_status);"); else WBI (" exit (gnat_exit_status);"); end if; end if; WBI ("}"); end Gen_Main_C; ------------------------------ -- Gen_Object_Files_Options -- ------------------------------ procedure Gen_Object_Files_Options is Lgnat : Natural; -- This keeps track of the position in the sorted set of entries -- in the Linker_Options table of where the first entry from an -- internal file appears. procedure Write_Linker_Option; -- Write binder info linker option. ------------------------- -- Write_Linker_Option -- ------------------------- procedure Write_Linker_Option is Start : Natural; Stop : Natural; begin -- Loop through string, breaking at null's Start := 1; while Start < Name_Len loop -- Find null ending this section Stop := Start + 1; while Name_Buffer (Stop) /= ASCII.NUL and then Stop <= Name_Len loop Stop := Stop + 1; end loop; -- Process section if non-null if Stop > Start then if Output_Linker_Option_List then Write_Str (Name_Buffer (Start .. Stop - 1)); Write_Eol; end if; Write_Info_Ada_C (" -- ", "", Name_Buffer (Start .. Stop - 1)); end if; Start := Stop + 1; end loop; end Write_Linker_Option; -- Start of processing for Gen_Object_Files_Options begin WBI (""); Write_Info_Ada_C ("--", "/*", " BEGIN Object file/option list"); for E in Elab_Order.First .. Elab_Order.Last loop -- If not spec that has an associated body, then generate a -- comment giving the name of the corresponding object file. if Units.Table (Elab_Order.Table (E)).Utype /= Is_Spec then Get_Name_String (ALIs.Table (Units.Table (Elab_Order.Table (E)).My_ALI).Ofile_Full_Name); -- If the presence of an object file is necessary or if it -- exists, then use it. if not Hostparm.Exclude_Missing_Objects or else GNAT.OS_Lib.Is_Regular_File (Name_Buffer (1 .. Name_Len)) then Write_Info_Ada_C (" -- ", "", Name_Buffer (1 .. Name_Len)); if Output_Object_List then Write_Str (Name_Buffer (1 .. Name_Len)); Write_Eol; end if; -- Don't link with the shared library on VMS if an internal -- filename object is seen. Multiply defined symbols will -- result. if Hostparm.OpenVMS and then Is_Internal_File_Name (ALIs.Table (Units.Table (Elab_Order.Table (E)).My_ALI).Sfile) then Opt.Shared_Libgnat := False; end if; end if; end if; end loop; -- Add a "-Ldir" for each directory in the object path. We skip this -- in No_Run_Time mode, where we want more precise control of exactly -- what goes into the resulting object file if not No_Run_Time_Specified then for J in 1 .. Nb_Dir_In_Obj_Search_Path loop declare Dir : String_Ptr := Dir_In_Obj_Search_Path (J); begin Name_Len := 0; Add_Str_To_Name_Buffer ("-L"); Add_Str_To_Name_Buffer (Dir.all); Write_Linker_Option; end; end loop; end if; -- Sort linker options -- This sort accomplishes two important purposes: -- a) All application files are sorted to the front, and all -- GNAT internal files are sorted to the end. This results -- in a well defined dividing line between the two sets of -- files, for the purpose of inserting certain standard -- library references into the linker arguments list. -- b) Given two different units, we sort the linker options so -- that those from a unit earlier in the elaboration order -- comes later in the list. This is a heuristic designed -- to create a more friendly order of linker options when -- the operations appear in separate units. The idea is that -- if unit A must be elaborated before unit B, then it is -- more likely that B references libraries included by A, -- than vice versa, so we want the libraries included by -- A to come after the libraries included by B. -- These two criteria are implemented by function Lt_Linker_Option. -- Note that a special case of b) is that specs are elaborated before -- bodies, so linker options from specs come after linker options -- for bodies, and again, the assumption is that libraries used by -- the body are more likely to reference libraries used by the spec, -- than vice versa. Sort (Linker_Options.Last, Move_Linker_Option'Access, Lt_Linker_Option'Access); -- Write user linker options, i.e. the set of linker options that -- come from all files other than GNAT internal files, Lgnat is -- left set to point to the first entry from a GNAT internal file, -- or past the end of the entriers if there are no internal files. Lgnat := Linker_Options.Last + 1; for J in 1 .. Linker_Options.Last loop if not Linker_Options.Table (J).Internal_File then Get_Name_String (Linker_Options.Table (J).Name); Write_Linker_Option; else Lgnat := J; exit; end if; end loop; -- Now we insert standard linker options that must appear after the -- entries from user files, and before the entries from GNAT run-time -- files. The reason for this decision is that libraries referenced -- by internal routines may reference these standard library entries. if not (No_Run_Time_Specified or else Opt.No_Stdlib) then Name_Len := 0; if Opt.Shared_Libgnat then Add_Str_To_Name_Buffer ("-shared"); else Add_Str_To_Name_Buffer ("-static"); end if; -- Write directly to avoid -K output (why???) Write_Info_Ada_C (" -- ", "", Name_Buffer (1 .. Name_Len)); if With_DECGNAT then Name_Len := 0; Add_Str_To_Name_Buffer ("-ldecgnat"); Write_Linker_Option; end if; if With_GNARL then Name_Len := 0; Add_Str_To_Name_Buffer ("-lgnarl"); Write_Linker_Option; end if; Name_Len := 0; Add_Str_To_Name_Buffer ("-lgnat"); Write_Linker_Option; end if; -- Write linker options from all internal files for J in Lgnat .. Linker_Options.Last loop Get_Name_String (Linker_Options.Table (J).Name); Write_Linker_Option; end loop; if Ada_Bind_File then WBI ("-- END Object file/option list "); else WBI (" END Object file/option list */"); end if; end Gen_Object_Files_Options; --------------------- -- Gen_Output_File -- --------------------- procedure Gen_Output_File (Filename : String) is begin -- Override Ada_Bind_File and Bind_Main_Program for Java since -- JGNAT only supports Ada code, and the main program is already -- generated by the compiler. if Hostparm.Java_VM then Ada_Bind_File := True; Bind_Main_Program := False; end if; -- Override time slice value if -T switch is set if Time_Slice_Set then ALIs.Table (ALIs.First).Time_Slice_Value := Opt.Time_Slice_Value; end if; -- Count number of elaboration calls for E in Elab_Order.First .. Elab_Order.Last loop if Units.Table (Elab_Order.Table (E)).No_Elab then null; else Num_Elab_Calls := Num_Elab_Calls + 1; end if; end loop; -- Generate output file in appropriate language if Ada_Bind_File then Gen_Output_File_Ada (Filename); else Gen_Output_File_C (Filename); end if; end Gen_Output_File; ------------------------- -- Gen_Output_File_Ada -- ------------------------- procedure Gen_Output_File_Ada (Filename : String) is Bfiles : Name_Id; -- Name of generated bind file (spec) Bfileb : Name_Id; -- Name of generated bind file (body) Ada_Main : constant String := Get_Ada_Main_Name; -- Name to be used for generated Ada main program. See the body of -- function Get_Ada_Main_Name for details on the form of the name. Target : constant String_Ptr := Target_Name; VxWorks_Target : constant Boolean := Target (Target'Last - 7 .. Target'Last) = "vxworks/" or else Target (Target'Last - 9 .. Target'Last) = "vxworksae/"; begin -- Create spec first Create_Binder_Output (Filename, 's', Bfiles); if No_Run_Time_Specified then WBI ("pragma No_Run_Time;"); end if; -- Generate with of System so we can reference System.Address, note -- that such a reference is safe even in No_Run_Time mode, since we -- do not need any run-time code for such a reference, and we output -- a pragma No_Run_Time for this compilation above. WBI ("with System;"); -- Generate with of System.Initialize_Scalars if active if Initialize_Scalars_Used then WBI ("with System.Scalar_Values;"); end if; Resolve_Binder_Options; if not No_Run_Time_Specified then -- Usually, adafinal is called using a pragma Import C. Since -- Import C doesn't have the same semantics for JGNAT, we use -- standard Ada. if Hostparm.Java_VM then WBI ("with System.Standard_Library;"); end if; end if; WBI ("package " & Ada_Main & " is"); -- Main program case if Bind_Main_Program then -- Generate argc/argv stuff WBI (""); WBI (" gnat_argc : Integer;"); WBI (" gnat_argv : System.Address;"); WBI (" gnat_envp : System.Address;"); -- If we have a run time present, these variables are in the -- runtime data area for easy access from the runtime if not No_Run_Time_Specified then WBI (""); WBI (" pragma Import (C, gnat_argc);"); WBI (" pragma Import (C, gnat_argv);"); WBI (" pragma Import (C, gnat_envp);"); end if; -- Define exit status. Again in normal mode, this is in the -- run-time library, and is initialized there, but in the no -- run time case, the variable is here and initialized here. WBI (""); if No_Run_Time_Specified then WBI (" gnat_exit_status : Integer := 0;"); else WBI (" gnat_exit_status : Integer;"); WBI (" pragma Import (C, gnat_exit_status);"); end if; end if; -- Generate the GNAT_Version and Ada_Main_Program_Name info only for -- the main program. Otherwise, it can lead under some circumstances -- to a symbol duplication during the link (for instance when a -- C program uses 2 Ada libraries) if Bind_Main_Program then WBI (""); WBI (" GNAT_Version : constant String :="); WBI (" ""GNAT Version: " & Gnat_Version_String & """;"); WBI (" pragma Export (C, GNAT_Version, ""__gnat_version"");"); WBI (""); Set_String (" Ada_Main_Program_Name : constant String := """); Get_Name_String (Units.Table (First_Unit_Entry).Uname); Set_Main_Program_Name; Set_String (""" & Ascii.NUL;"); Write_Statement_Buffer; WBI (" pragma Export (C, Ada_Main_Program_Name, " & """__gnat_ada_main_program_name"");"); end if; -- No need to generate a finalization routine if there is no -- runtime, since there is nothing to do in this case. if not No_Run_Time_Specified then WBI (""); WBI (" procedure " & Ada_Final_Name.all & ";"); WBI (" pragma Export (C, " & Ada_Final_Name.all & ", """ & Ada_Final_Name.all & """);"); end if; WBI (""); WBI (" procedure " & Ada_Init_Name.all & ";"); WBI (" pragma Export (C, " & Ada_Init_Name.all & ", """ & Ada_Init_Name.all & """);"); if Bind_Main_Program then -- If we have a run time, then Break_Start is defined there, but -- if there is no run-time, Break_Start is defined in this file. WBI (""); WBI (" procedure Break_Start;"); if No_Run_Time_Specified then WBI (" pragma Export (C, Break_Start, ""__gnat_break_start"");"); else WBI (" pragma Import (C, Break_Start, ""__gnat_break_start"");"); end if; WBI (""); WBI (" function " & Get_Main_Name); -- Generate argument list (except on VxWorks, where none is present) if not VxWorks_Target then WBI (" (argc : Integer;"); WBI (" argv : System.Address;"); WBI (" envp : System.Address)"); end if; WBI (" return Integer;"); WBI (" pragma Export (C, " & Get_Main_Name & ", """ & Get_Main_Name & """);"); end if; if Initialize_Scalars_Used then Gen_Scalar_Values; end if; Gen_Versions_Ada; Gen_Elab_Order_Ada; -- Spec is complete WBI (""); WBI ("end " & Ada_Main & ";"); Close_Binder_Output; -- Prepare to write body Create_Binder_Output (Filename, 'b', Bfileb); -- Output Source_File_Name pragmas which look like -- pragma Source_File_Name (Ada_Main, Spec_File_Name => "sss"); -- pragma Source_File_Name (Ada_Main, Body_File_Name => "bbb"); -- where sss/bbb are the spec/body file names respectively Get_Name_String (Bfiles); Name_Buffer (Name_Len + 1 .. Name_Len + 3) := """);"; WBI ("pragma Source_File_Name (" & Ada_Main & ", Spec_File_Name => """ & Name_Buffer (1 .. Name_Len + 3)); Get_Name_String (Bfileb); Name_Buffer (Name_Len + 1 .. Name_Len + 3) := """);"; WBI ("pragma Source_File_Name (" & Ada_Main & ", Body_File_Name => """ & Name_Buffer (1 .. Name_Len + 3)); WBI (""); WBI ("package body " & Ada_Main & " is"); -- Import the finalization procedure only if there is a runtime. if not No_Run_Time_Specified then -- In the Java case, pragma Import C cannot be used, so the -- standard Ada constructs will be used instead. if not Hostparm.Java_VM then WBI (""); WBI (" procedure Do_Finalize;"); WBI (" pragma Import (C, Do_Finalize, " & """system__standard_library__adafinal"");"); WBI (""); end if; end if; Gen_Adainit_Ada; -- No need to generate a finalization routine if there is no -- runtime, since there is nothing to do in this case. if not No_Run_Time_Specified then Gen_Adafinal_Ada; end if; if Bind_Main_Program then -- In No_Run_Time mode, generate dummy body for Break_Start if No_Run_Time_Specified then WBI (""); WBI (" procedure Break_Start is"); WBI (" begin"); WBI (" null;"); WBI (" end;"); end if; Gen_Main_Ada; end if; -- Output object file list and the Ada body is complete Gen_Object_Files_Options; WBI (""); WBI ("end " & Ada_Main & ";"); Close_Binder_Output; end Gen_Output_File_Ada; ----------------------- -- Gen_Output_File_C -- ----------------------- procedure Gen_Output_File_C (Filename : String) is Bfile : Name_Id; -- Name of generated bind file begin Create_Binder_Output (Filename, 'c', Bfile); Resolve_Binder_Options; WBI ("#ifdef __STDC__"); WBI ("#define PARAMS(paramlist) paramlist"); WBI ("#else"); WBI ("#define PARAMS(paramlist) ()"); WBI ("#endif"); WBI (""); WBI ("extern void __gnat_set_globals "); WBI (" PARAMS ((int, int, int, int, int, int, const char *,"); WBI (" int, int, int));"); WBI ("extern void " & Ada_Final_Name.all & " PARAMS ((void));"); WBI ("extern void " & Ada_Init_Name.all & " PARAMS ((void));"); WBI ("extern void system__standard_library__adafinal PARAMS ((void));"); if not No_Main_Subprogram then WBI ("extern int main PARAMS ((int, char **, char **));"); if Hostparm.OpenVMS then WBI ("extern void __posix_exit PARAMS ((int));"); else WBI ("extern void exit PARAMS ((int));"); end if; WBI ("extern void __gnat_break_start PARAMS ((void));"); Set_String ("extern "); if ALIs.Table (ALIs.First).Main_Program = Proc then Set_String ("void "); else Set_String ("int "); end if; Get_Name_String (Units.Table (First_Unit_Entry).Uname); Set_Main_Program_Name; Set_String (" PARAMS ((void));"); Write_Statement_Buffer; end if; if not No_Run_Time_Specified then WBI ("extern void __gnat_initialize PARAMS ((void));"); WBI ("extern void __gnat_finalize PARAMS ((void));"); WBI ("extern void __gnat_install_handler PARAMS ((void));"); end if; WBI (""); Gen_Elab_Defs_C; -- Imported variable used to track elaboration/finalization phase. -- Used only when we have a runtime. if not No_Run_Time_Specified then WBI ("extern int __gnat_handler_installed;"); WBI (""); end if; -- Write argv/argc stuff if main program case if Bind_Main_Program then -- In the normal case, these are in the runtime library if not No_Run_Time_Specified then WBI ("extern int gnat_argc;"); WBI ("extern char **gnat_argv;"); WBI ("extern char **gnat_envp;"); WBI ("extern int gnat_exit_status;"); -- In the No_Run_Time case, they are right in the binder file -- and we initialize gnat_exit_status in the declaration. else WBI ("int gnat_argc;"); WBI ("char **gnat_argv;"); WBI ("char **gnat_envp;"); WBI ("int gnat_exit_status = 0;"); end if; WBI (""); end if; -- In no run-time mode, the __gnat_break_start routine (for the -- debugger to get initial control) is defined in this file. if No_Run_Time_Specified then WBI (""); WBI ("void __gnat_break_start () {}"); end if; -- Generate the __gnat_version and __gnat_ada_main_program_name info -- only for the main program. Otherwise, it can lead under some -- circumstances to a symbol duplication during the link (for instance -- when a C program uses 2 Ada libraries) if Bind_Main_Program then WBI (""); WBI ("char __gnat_version[] = ""GNAT Version: " & Gnat_Version_String & """;"); Set_String ("char __gnat_ada_main_program_name[] = """); Get_Name_String (Units.Table (First_Unit_Entry).Uname); Set_Main_Program_Name; Set_String (""";"); Write_Statement_Buffer; end if; -- Generate the adafinal routine. In no runtime mode, this is -- not needed, since there is no finalization to do. if not No_Run_Time_Specified then Gen_Adafinal_C; end if; Gen_Adainit_C; -- Main is only present for Ada main case if Bind_Main_Program then Gen_Main_C; end if; -- Scalar values, versions and object files needed in both cases if Initialize_Scalars_Used then Gen_Scalar_Values; end if; Gen_Versions_C; Gen_Elab_Order_C; Gen_Object_Files_Options; -- C binder output is complete Close_Binder_Output; end Gen_Output_File_C; ----------------------- -- Gen_Scalar_Values -- ----------------------- procedure Gen_Scalar_Values is -- Strings to hold hex values of initialization constants. Note that -- we store these strings in big endian order, but they are actually -- used to initialize integer values, so the actual generated data -- will automaticaly have the right endianess. IS_Is1 : String (1 .. 2); IS_Is2 : String (1 .. 4); IS_Is4 : String (1 .. 8); IS_Is8 : String (1 .. 16); IS_Iu1 : String (1 .. 2); IS_Iu2 : String (1 .. 4); IS_Iu4 : String (1 .. 8); IS_Iu8 : String (1 .. 16); IS_Isf : String (1 .. 8); IS_Ifl : String (1 .. 8); IS_Ilf : String (1 .. 16); -- The string for Long_Long_Float is special. This is used only on the -- ia32 with 80-bit extended float (stored in 96 bits by gcc). The -- value here is represented little-endian, since that's the only way -- it is ever generated (this is not used on big-endian machines. IS_Ill : String (1 .. 24); begin -- -Sin (invalid values) if Opt.Initialize_Scalars_Mode = 'I' then IS_Is1 := "80"; IS_Is2 := "8000"; IS_Is4 := "80000000"; IS_Is8 := "8000000000000000"; IS_Iu1 := "FF"; IS_Iu2 := "FFFF"; IS_Iu4 := "FFFFFFFF"; IS_Iu8 := "FFFFFFFFFFFFFFFF"; IS_Isf := IS_Iu4; IS_Ifl := IS_Iu4; IS_Ilf := IS_Iu8; IS_Ill := "00000000000000C0FFFF0000"; -- -Slo (low values) elsif Opt.Initialize_Scalars_Mode = 'L' then IS_Is1 := "80"; IS_Is2 := "8000"; IS_Is4 := "80000000"; IS_Is8 := "8000000000000000"; IS_Iu1 := "00"; IS_Iu2 := "0000"; IS_Iu4 := "00000000"; IS_Iu8 := "0000000000000000"; IS_Isf := "FF800000"; IS_Ifl := IS_Isf; IS_Ilf := "FFF0000000000000"; IS_Ill := "0000000000000080FFFF0000"; -- -Shi (high values) elsif Opt.Initialize_Scalars_Mode = 'H' then IS_Is1 := "7F"; IS_Is2 := "7FFF"; IS_Is4 := "7FFFFFFF"; IS_Is8 := "7FFFFFFFFFFFFFFF"; IS_Iu1 := "FF"; IS_Iu2 := "FFFF"; IS_Iu4 := "FFFFFFFF"; IS_Iu8 := "FFFFFFFFFFFFFFFF"; IS_Isf := "7F800000"; IS_Ifl := IS_Isf; IS_Ilf := "7FF0000000000000"; IS_Ill := "0000000000000080FF7F0000"; -- -Shh (hex byte) else pragma Assert (Opt.Initialize_Scalars_Mode = 'X'); IS_Is1 (1 .. 2) := Opt.Initialize_Scalars_Val; IS_Is2 (1 .. 2) := Opt.Initialize_Scalars_Val; IS_Is2 (3 .. 4) := Opt.Initialize_Scalars_Val; for J in 1 .. 4 loop IS_Is4 (2 * J - 1 .. 2 * J) := Opt.Initialize_Scalars_Val; end loop; for J in 1 .. 8 loop IS_Is8 (2 * J - 1 .. 2 * J) := Opt.Initialize_Scalars_Val; end loop; IS_Iu1 := IS_Is1; IS_Iu2 := IS_Is2; IS_Iu4 := IS_Is4; IS_Iu8 := IS_Is8; IS_Isf := IS_Is4; IS_Ifl := IS_Is4; IS_Ilf := IS_Is8; for J in 1 .. 12 loop IS_Ill (2 * J - 1 .. 2 * J) := Opt.Initialize_Scalars_Val; end loop; end if; -- Generate output, Ada case if Ada_Bind_File then WBI (""); Set_String (" IS_Is1 : constant System.Scalar_Values.Byte1 := 16#"); Set_String (IS_Is1); Write_Statement_Buffer ("#;"); Set_String (" IS_Is2 : constant System.Scalar_Values.Byte2 := 16#"); Set_String (IS_Is2); Write_Statement_Buffer ("#;"); Set_String (" IS_Is4 : constant System.Scalar_Values.Byte4 := 16#"); Set_String (IS_Is4); Write_Statement_Buffer ("#;"); Set_String (" IS_Is8 : constant System.Scalar_Values.Byte8 := 16#"); Set_String (IS_Is8); Write_Statement_Buffer ("#;"); Set_String (" IS_Iu1 : constant System.Scalar_Values.Byte1 := 16#"); Set_String (IS_Iu1); Write_Statement_Buffer ("#;"); Set_String (" IS_Iu2 : constant System.Scalar_Values.Byte2 := 16#"); Set_String (IS_Iu2); Write_Statement_Buffer ("#;"); Set_String (" IS_Iu4 : constant System.Scalar_Values.Byte4 := 16#"); Set_String (IS_Iu4); Write_Statement_Buffer ("#;"); Set_String (" IS_Iu8 : constant System.Scalar_Values.Byte8 := 16#"); Set_String (IS_Iu8); Write_Statement_Buffer ("#;"); Set_String (" IS_Isf : constant System.Scalar_Values.Byte4 := 16#"); Set_String (IS_Isf); Write_Statement_Buffer ("#;"); Set_String (" IS_Ifl : constant System.Scalar_Values.Byte4 := 16#"); Set_String (IS_Ifl); Write_Statement_Buffer ("#;"); Set_String (" IS_Ilf : constant System.Scalar_Values.Byte8 := 16#"); Set_String (IS_Ilf); Write_Statement_Buffer ("#;"); -- Special case of Long_Long_Float. This is a 10-byte value used -- only on the x86. We could omit it for other architectures, but -- we don't easily have that kind of target specialization in the -- binder, and it's only 10 bytes, and only if -Sxx is used. Note -- that for architectures where Long_Long_Float is the same as -- Long_Float, the expander uses the Long_Float constant for the -- initializations of Long_Long_Float values. WBI (" IS_Ill : constant array (1 .. 12) of"); WBI (" System.Scalar_Values.Byte1 := ("); Set_String (" "); for J in 1 .. 6 loop Set_String (" 16#"); Set_Char (IS_Ill (2 * J - 1)); Set_Char (IS_Ill (2 * J)); Set_String ("#,"); end loop; Write_Statement_Buffer; Set_String (" "); for J in 7 .. 12 loop Set_String (" 16#"); Set_Char (IS_Ill (2 * J - 1)); Set_Char (IS_Ill (2 * J)); if J = 12 then Set_String ("#);"); else Set_String ("#,"); end if; end loop; Write_Statement_Buffer; -- Output export statements to export to System.Scalar_Values WBI (""); WBI (" pragma Export (Ada, IS_Is1, ""__gnat_Is1"");"); WBI (" pragma Export (Ada, IS_Is2, ""__gnat_Is2"");"); WBI (" pragma Export (Ada, IS_Is4, ""__gnat_Is4"");"); WBI (" pragma Export (Ada, IS_Is8, ""__gnat_Is8"");"); WBI (" pragma Export (Ada, IS_Iu1, ""__gnat_Iu1"");"); WBI (" pragma Export (Ada, IS_Iu2, ""__gnat_Iu2"");"); WBI (" pragma Export (Ada, IS_Iu4, ""__gnat_Iu4"");"); WBI (" pragma Export (Ada, IS_Iu8, ""__gnat_Iu8"");"); WBI (" pragma Export (Ada, IS_Isf, ""__gnat_Isf"");"); WBI (" pragma Export (Ada, IS_Ifl, ""__gnat_Ifl"");"); WBI (" pragma Export (Ada, IS_Ilf, ""__gnat_Ilf"");"); WBI (" pragma Export (Ada, IS_Ill, ""__gnat_Ill"");"); -- Generate output C case else -- The lines we generate in this case are of the form -- typ __gnat_I?? = 0x??; -- where typ is appropriate to the length WBI (""); Set_String ("unsigned char __gnat_Is1 = 0x"); Set_String (IS_Is1); Write_Statement_Buffer (";"); Set_String ("unsigned short __gnat_Is2 = 0x"); Set_String (IS_Is2); Write_Statement_Buffer (";"); Set_String ("unsigned __gnat_Is4 = 0x"); Set_String (IS_Is4); Write_Statement_Buffer (";"); Set_String ("long long unsigned __gnat_Is8 = 0x"); Set_String (IS_Is8); Write_Statement_Buffer ("LL;"); Set_String ("unsigned char __gnat_Iu1 = 0x"); Set_String (IS_Is1); Write_Statement_Buffer (";"); Set_String ("unsigned short __gnat_Iu2 = 0x"); Set_String (IS_Is2); Write_Statement_Buffer (";"); Set_String ("unsigned __gnat_Iu4 = 0x"); Set_String (IS_Is4); Write_Statement_Buffer (";"); Set_String ("long long unsigned __gnat_Iu8 = 0x"); Set_String (IS_Is8); Write_Statement_Buffer ("LL;"); Set_String ("unsigned __gnat_Isf = 0x"); Set_String (IS_Isf); Write_Statement_Buffer (";"); Set_String ("unsigned __gnat_Ifl = 0x"); Set_String (IS_Ifl); Write_Statement_Buffer (";"); Set_String ("long long unsigned __gnat_Ilf = 0x"); Set_String (IS_Ilf); Write_Statement_Buffer ("LL;"); -- For Long_Long_Float, we generate -- char __gnat_Ill[12] = {0x??, 0x??, 0x??, 0x??, 0x??, 0x??, -- 0x??, 0x??, 0x??, 0x??, 0x??, 0x??); Set_String ("unsigned char __gnat_Ill[12] = {"); for J in 1 .. 6 loop Set_String ("0x"); Set_Char (IS_Ill (2 * J - 1)); Set_Char (IS_Ill (2 * J)); Set_String (", "); end loop; Write_Statement_Buffer; Set_String (" "); for J in 7 .. 12 loop Set_String ("0x"); Set_Char (IS_Ill (2 * J - 1)); Set_Char (IS_Ill (2 * J)); if J = 12 then Set_String ("};"); else Set_String (", "); end if; end loop; Write_Statement_Buffer; end if; end Gen_Scalar_Values; ---------------------- -- Gen_Versions_Ada -- ---------------------- -- This routine generates two sets of lines. The first set has the form: -- unnnnn : constant Integer := 16#hhhhhhhh#; -- The second set has the form -- pragma Export (C, unnnnn, unam); -- for each unit, where unam is the unit name suffixed by either B or -- S for body or spec, with dots replaced by double underscores, and -- hhhhhhhh is the version number, and nnnnn is a 5-digits serial number. procedure Gen_Versions_Ada is Ubuf : String (1 .. 6) := "u00000"; procedure Increment_Ubuf; -- Little procedure to increment the serial number procedure Increment_Ubuf is begin for J in reverse Ubuf'Range loop Ubuf (J) := Character'Succ (Ubuf (J)); exit when Ubuf (J) <= '9'; Ubuf (J) := '0'; end loop; end Increment_Ubuf; -- Start of processing for Gen_Versions_Ada begin if Bind_For_Library then -- When building libraries, the version number of each unit can -- not be computed, since the binder does not know the full list -- of units. Therefore, the 'Version and 'Body_Version -- attributes can not supported in this case. return; end if; WBI (""); WBI (" type Version_32 is mod 2 ** 32;"); for U in Units.First .. Units.Last loop Increment_Ubuf; WBI (" " & Ubuf & " : constant Version_32 := 16#" & Units.Table (U).Version & "#;"); end loop; WBI (""); Ubuf := "u00000"; for U in Units.First .. Units.Last loop Increment_Ubuf; Set_String (" pragma Export (C, "); Set_String (Ubuf); Set_String (", """); Get_Name_String (Units.Table (U).Uname); for K in 1 .. Name_Len loop if Name_Buffer (K) = '.' then Set_Char ('_'); Set_Char ('_'); elsif Name_Buffer (K) = '%' then exit; else Set_Char (Name_Buffer (K)); end if; end loop; if Name_Buffer (Name_Len) = 's' then Set_Char ('S'); else Set_Char ('B'); end if; Set_String (""");"); Write_Statement_Buffer; end loop; end Gen_Versions_Ada; -------------------- -- Gen_Versions_C -- -------------------- -- This routine generates a line of the form: -- unsigned unam = 0xhhhhhhhh; -- for each unit, where unam is the unit name suffixed by either B or -- S for body or spec, with dots replaced by double underscores. procedure Gen_Versions_C is begin if Bind_For_Library then -- When building libraries, the version number of each unit can -- not be computed, since the binder does not know the full list -- of units. Therefore, the 'Version and 'Body_Version -- attributes can not supported. return; end if; for U in Units.First .. Units.Last loop Set_String ("unsigned "); Get_Name_String (Units.Table (U).Uname); for K in 1 .. Name_Len loop if Name_Buffer (K) = '.' then Set_String ("__"); elsif Name_Buffer (K) = '%' then exit; else Set_Char (Name_Buffer (K)); end if; end loop; if Name_Buffer (Name_Len) = 's' then Set_Char ('S'); else Set_Char ('B'); end if; Set_String (" = 0x"); Set_String (Units.Table (U).Version); Set_Char (';'); Write_Statement_Buffer; end loop; end Gen_Versions_C; ----------------------- -- Get_Ada_Main_Name -- ----------------------- function Get_Ada_Main_Name return String is Suffix : constant String := "_00"; Name : String (1 .. Opt.Ada_Main_Name.all'Length + Suffix'Length) := Opt.Ada_Main_Name.all & Suffix; Nlen : Natural; begin -- The main program generated by JGNAT expects a package called -- ada_
. if Hostparm.Java_VM then -- Get main program name Get_Name_String (Units.Table (First_Unit_Entry).Uname); -- Remove the %b return "ada_" & Name_Buffer (1 .. Name_Len - 2); end if; -- This loop tries the following possibilities in order -- -- _01 -- _02 -- .. -- _99 -- where is equal to Opt.Ada_Main_Name. By default, -- it is set to 'ada_main'. for J in 0 .. 99 loop if J = 0 then Nlen := Name'Length - Suffix'Length; else Nlen := Name'Length; Name (Name'Last) := Character'Val (J mod 10 + Character'Pos ('0')); Name (Name'Last - 1) := Character'Val (J / 10 + Character'Pos ('0')); end if; for K in ALIs.First .. ALIs.Last loop for L in ALIs.Table (K).First_Unit .. ALIs.Table (K).Last_Unit loop -- Get unit name, removing %b or %e at end Get_Name_String (Units.Table (L).Uname); Name_Len := Name_Len - 2; if Name_Buffer (1 .. Name_Len) = Name (1 .. Nlen) then goto Continue; end if; end loop; end loop; return Name (1 .. Nlen); <> null; end loop; -- If we fall through, just use a peculiar unlikely name return ("Qwertyuiop"); end Get_Ada_Main_Name; ------------------- -- Get_Main_Name -- ------------------- function Get_Main_Name return String is Target : constant String_Ptr := Target_Name; VxWorks_Target : constant Boolean := Target (Target'Last - 7 .. Target'Last) = "vxworks/" or else Target (Target'Last - 9 .. Target'Last) = "vxworksae/"; begin -- Explicit name given with -M switch if Bind_Alternate_Main_Name then return Alternate_Main_Name.all; -- Case of main program name to be used directly elsif VxWorks_Target then -- Get main program name Get_Name_String (Units.Table (First_Unit_Entry).Uname); -- If this is a child name, return only the name of the child, -- since we can't have dots in a nested program name. Note that -- we do not include the %b at the end of the unit name. for J in reverse 1 .. Name_Len - 2 loop if J = 1 or else Name_Buffer (J - 1) = '.' then return Name_Buffer (J .. Name_Len - 2); end if; end loop; raise Program_Error; -- impossible exit -- Case where "main" is to be used as default else return "main"; end if; end Get_Main_Name; ---------------------- -- Lt_Linker_Option -- ---------------------- function Lt_Linker_Option (Op1, Op2 : Natural) return Boolean is begin -- Sort internal files last if Linker_Options.Table (Op1).Internal_File /= Linker_Options.Table (Op2).Internal_File then -- Note: following test uses False < True return Linker_Options.Table (Op1).Internal_File < Linker_Options.Table (Op2).Internal_File; -- If both internal or both non-internal, sort according to the -- elaboration position. A unit that is elaborated later should -- come earlier in the linker options list. else return Units.Table (Linker_Options.Table (Op1).Unit).Elab_Position > Units.Table (Linker_Options.Table (Op2).Unit).Elab_Position; end if; end Lt_Linker_Option; ------------------------ -- Move_Linker_Option -- ------------------------ procedure Move_Linker_Option (From : Natural; To : Natural) is begin Linker_Options.Table (To) := Linker_Options.Table (From); end Move_Linker_Option; ---------------------------- -- Resolve_Binder_Options -- ---------------------------- procedure Resolve_Binder_Options is begin for E in Elab_Order.First .. Elab_Order.Last loop Get_Name_String (Units.Table (Elab_Order.Table (E)).Uname); -- The procedure of looking for specific packages and setting -- flags is very wrong, but there isn't a good alternative at -- this time. if Name_Buffer (1 .. 19) = "system.os_interface" then With_GNARL := True; end if; if Hostparm.OpenVMS and then Name_Buffer (1 .. 3) = "dec" then With_DECGNAT := True; end if; end loop; end Resolve_Binder_Options; -------------- -- Set_Char -- -------------- procedure Set_Char (C : Character) is begin Last := Last + 1; Statement_Buffer (Last) := C; end Set_Char; ------------- -- Set_Int -- ------------- procedure Set_Int (N : Int) is begin if N < 0 then Set_String ("-"); Set_Int (-N); else if N > 9 then Set_Int (N / 10); end if; Last := Last + 1; Statement_Buffer (Last) := Character'Val (N mod 10 + Character'Pos ('0')); end if; end Set_Int; --------------------------- -- Set_Main_Program_Name -- --------------------------- procedure Set_Main_Program_Name is begin -- Note that name has %b on the end which we ignore -- First we output the initial _ada_ since we know that the main -- program is a library level subprogram. Set_String ("_ada_"); -- Copy name, changing dots to double underscores for J in 1 .. Name_Len - 2 loop if Name_Buffer (J) = '.' then Set_String ("__"); else Set_Char (Name_Buffer (J)); end if; end loop; end Set_Main_Program_Name; --------------------- -- Set_Name_Buffer -- --------------------- procedure Set_Name_Buffer is begin for J in 1 .. Name_Len loop Set_Char (Name_Buffer (J)); end loop; end Set_Name_Buffer; ---------------- -- Set_String -- ---------------- procedure Set_String (S : String) is begin Statement_Buffer (Last + 1 .. Last + S'Length) := S; Last := Last + S'Length; end Set_String; ------------------- -- Set_Unit_Name -- ------------------- procedure Set_Unit_Name is begin for J in 1 .. Name_Len - 2 loop if Name_Buffer (J) /= '.' then Set_Char (Name_Buffer (J)); else Set_String ("__"); end if; end loop; end Set_Unit_Name; --------------------- -- Set_Unit_Number -- --------------------- procedure Set_Unit_Number (U : Unit_Id) is Num_Units : constant Nat := Nat (Units.Table'Last) - Nat (Unit_Id'First); Unum : constant Nat := Nat (U) - Nat (Unit_Id'First); begin if Num_Units >= 10 and then Unum < 10 then Set_Char ('0'); end if; if Num_Units >= 100 and then Unum < 100 then Set_Char ('0'); end if; Set_Int (Unum); end Set_Unit_Number; ------------ -- Tab_To -- ------------ procedure Tab_To (N : Natural) is begin while Last < N loop Set_Char (' '); end loop; end Tab_To; ---------------------- -- Write_Info_Ada_C -- ---------------------- procedure Write_Info_Ada_C (Ada : String; C : String; Common : String) is begin if Ada_Bind_File then declare S : String (1 .. Ada'Length + Common'Length); begin S (1 .. Ada'Length) := Ada; S (Ada'Length + 1 .. S'Length) := Common; WBI (S); end; else declare S : String (1 .. C'Length + Common'Length); begin S (1 .. C'Length) := C; S (C'Length + 1 .. S'Length) := Common; WBI (S); end; end if; end Write_Info_Ada_C; ---------------------------- -- Write_Statement_Buffer -- ---------------------------- procedure Write_Statement_Buffer is begin WBI (Statement_Buffer (1 .. Last)); Last := 0; end Write_Statement_Buffer; procedure Write_Statement_Buffer (S : String) is begin Set_String (S); Write_Statement_Buffer; end Write_Statement_Buffer; end Bindgen;