1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2018, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
27 with Casing
; use Casing
;
28 with Fname
; use Fname
;
29 with Gnatvsn
; use Gnatvsn
;
31 with Namet
; use Namet
;
33 with Osint
; use Osint
;
34 with Osint
.B
; use Osint
.B
;
35 with Output
; use Output
;
36 with Rident
; use Rident
;
37 with Stringt
; use Stringt
;
39 with Targparm
; use Targparm
;
40 with Types
; use Types
;
43 with System
.WCh_Con
; use System
.WCh_Con
;
45 with GNAT
.Heap_Sort_A
; use GNAT
.Heap_Sort_A
;
48 package body Bindgen
is
49 Statement_Buffer
: String (1 .. 1000);
50 -- Buffer used for constructing output statements
52 Stm_Last
: Natural := 0;
53 -- Stm_Last location in Statement_Buffer currently set
55 With_GNARL
: Boolean := False;
56 -- Flag which indicates whether the program uses the GNARL library
57 -- (presence of the unit System.OS_Interface)
59 Num_Elab_Calls
: Nat
:= 0;
60 -- Number of generated calls to elaboration routines
62 Num_Primary_Stacks
: Int
:= 0;
63 -- Number of default-sized primary stacks the binder needs to allocate for
64 -- task objects declared in the program.
66 Num_Sec_Stacks
: Int
:= 0;
67 -- Number of default-sized primary stacks the binder needs to allocate for
68 -- task objects declared in the program.
70 System_Restrictions_Used
: Boolean := False;
71 -- Flag indicating whether the unit System.Restrictions is in the closure
72 -- of the partition. This is set by Resolve_Binder_Options, and is used
73 -- to determine whether or not to initialize the restrictions information
74 -- in the body of the binder generated file (we do not want to do this
75 -- unconditionally, since it drags in the System.Restrictions unit
76 -- unconditionally, which is unpleasand, especially for ZFP etc.)
78 Dispatching_Domains_Used
: Boolean := False;
79 -- Flag indicating whether multiprocessor dispatching domains are used in
80 -- the closure of the partition. This is set by Resolve_Binder_Options, and
81 -- is used to call the routine to disallow the creation of new dispatching
82 -- domains just before calling the main procedure from the environment
85 System_Secondary_Stack_Used
: Boolean := False;
86 -- Flag indicating whether the unit System.Secondary_Stack is in the
87 -- closure of the partition. This is set by Resolve_Binder_Options, and
88 -- is used to initialize the package in cases where the run-time brings
89 -- in package but the secondary stack is not used.
91 System_Tasking_Restricted_Stages_Used
: Boolean := False;
92 -- Flag indicating whether the unit System.Tasking.Restricted.Stages is in
93 -- the closure of the partition. This is set by Resolve_Binder_Options,
94 -- and it used to call a routine to active all the tasks at the end of
95 -- the elaboration when partition elaboration policy is sequential.
97 System_Interrupts_Used
: Boolean := False;
98 -- Flag indicating whether the unit System.Interrups is in the closure of
99 -- the partition. This is set by Resolve_Binder_Options, and it used to
100 -- attach interrupt handlers at the end of the elaboration when partition
101 -- elaboration policy is sequential.
103 System_BB_CPU_Primitives_Multiprocessors_Used
: Boolean := False;
104 -- Flag indicating whether unit System.BB.CPU_Primitives.Multiprocessors
105 -- is in the closure of the partition. This is set by procedure
106 -- Resolve_Binder_Options, and it is used to call a procedure that starts
109 System_Version_Control_Used
: Boolean := False;
110 -- Flag indicating whether unit System.Version_Control is in the closure.
111 -- This unit is implicitly withed by the compiler when Version or
112 -- Body_Version attributes are used. If the package is not in the closure,
113 -- the version definitions can be removed.
115 Lib_Final_Built
: Boolean := False;
116 -- Flag indicating whether the finalize_library rountine has been built
118 Bind_Env_String_Built
: Boolean := False;
119 -- Flag indicating whether a bind environment string has been built
121 CodePeer_Wrapper_Name
: constant String := "call_main_subprogram";
122 -- For CodePeer, introduce a wrapper subprogram which calls the
123 -- user-defined main subprogram.
125 ----------------------------------
126 -- Interface_State Pragma Table --
127 ----------------------------------
129 -- This table assembles the interface state pragma information from
130 -- all the units in the partition. Note that Bcheck has already checked
131 -- that the information is consistent across units. The entries
132 -- in this table are n/u/r/s for not set/user/runtime/system.
134 package IS_Pragma_Settings
is new Table
.Table
135 (Table_Component_Type
=> Character,
136 Table_Index_Type
=> Int
,
137 Table_Low_Bound
=> 0,
138 Table_Initial
=> 100,
139 Table_Increment
=> 200,
140 Table_Name
=> "IS_Pragma_Settings");
142 -- This table assembles the Priority_Specific_Dispatching pragma
143 -- information from all the units in the partition. Note that Bcheck has
144 -- already checked that the information is consistent across units.
145 -- The entries in this table are the upper case first character of the
146 -- policy name, e.g. 'F' for FIFO_Within_Priorities.
148 package PSD_Pragma_Settings
is new Table
.Table
149 (Table_Component_Type
=> Character,
150 Table_Index_Type
=> Int
,
151 Table_Low_Bound
=> 0,
152 Table_Initial
=> 100,
153 Table_Increment
=> 200,
154 Table_Name
=> "PSD_Pragma_Settings");
156 ----------------------------
157 -- Bind_Environment Table --
158 ----------------------------
160 subtype Header_Num
is Int
range 0 .. 36;
162 function Hash
(Nam
: Name_Id
) return Header_Num
;
164 package Bind_Environment
is new GNAT
.HTable
.Simple_HTable
165 (Header_Num
=> Header_Num
,
167 No_Element
=> No_Name
,
172 ----------------------
173 -- Run-Time Globals --
174 ----------------------
176 -- This section documents the global variables that are set from the
177 -- generated binder file.
179 -- Main_Priority : Integer;
180 -- Time_Slice_Value : Integer;
181 -- Heap_Size : Natural;
182 -- WC_Encoding : Character;
183 -- Locking_Policy : Character;
184 -- Queuing_Policy : Character;
185 -- Task_Dispatching_Policy : Character;
186 -- Priority_Specific_Dispatching : System.Address;
187 -- Num_Specific_Dispatching : Integer;
188 -- Restrictions : System.Address;
189 -- Interrupt_States : System.Address;
190 -- Num_Interrupt_States : Integer;
191 -- Unreserve_All_Interrupts : Integer;
192 -- Exception_Tracebacks : Integer;
193 -- Exception_Tracebacks_Symbolic : Integer;
194 -- Detect_Blocking : Integer;
195 -- Default_Stack_Size : Integer;
196 -- Default_Secondary_Stack_Size : System.Parameters.Size_Type;
197 -- Leap_Seconds_Support : Integer;
198 -- Main_CPU : Integer;
199 -- Default_Sized_SS_Pool : System.Address;
200 -- Binder_Sec_Stacks_Count : Natural;
202 -- Main_Priority is the priority value set by pragma Priority in the main
203 -- program. If no such pragma is present, the value is -1.
205 -- Time_Slice_Value is the time slice value set by pragma Time_Slice in the
206 -- main program, or by the use of a -Tnnn parameter for the binder (if both
207 -- are present, the binder value overrides). The value is in milliseconds.
208 -- A value of zero indicates that time slicing should be suppressed. If no
209 -- pragma is present, and no -T switch was used, the value is -1.
211 -- WC_Encoding shows the wide character encoding method used for the main
212 -- program. This is one of the encoding letters defined in
213 -- System.WCh_Con.WC_Encoding_Letters.
215 -- Locking_Policy is a space if no locking policy was specified for the
216 -- partition. If a locking policy was specified, the value is the upper
217 -- case first character of the locking policy name, for example, 'C' for
220 -- Queuing_Policy is a space if no queuing policy was specified for the
221 -- partition. If a queuing policy was specified, the value is the upper
222 -- case first character of the queuing policy name for example, 'F' for
225 -- Task_Dispatching_Policy is a space if no task dispatching policy was
226 -- specified for the partition. If a task dispatching policy was specified,
227 -- the value is the upper case first character of the policy name, e.g. 'F'
228 -- for FIFO_Within_Priorities.
230 -- Priority_Specific_Dispatching is the address of a string used to store
231 -- the task dispatching policy specified for the different priorities in
232 -- the partition. The length of this string is determined by the last
233 -- priority for which such a pragma applies (the string will be a null
234 -- string if no specific dispatching policies were used). If pragma were
235 -- present, the entries apply to the priorities in sequence from the first
236 -- priority. The value stored is the upper case first character of the
237 -- policy name, or 'F' (for FIFO_Within_Priorities) as the default value
238 -- for those priority ranges not specified.
240 -- Num_Specific_Dispatching is length of the Priority_Specific_Dispatching
241 -- string. It will be set to zero if no Priority_Specific_Dispatching
242 -- pragmas are present.
244 -- Restrictions is the address of a null-terminated string specifying the
245 -- restrictions information for the partition. The format is identical to
246 -- that of the parameter string found on R lines in ali files (see Lib.Writ
247 -- spec in lib-writ.ads for full details). The difference is that in this
248 -- context the values are the cumulative ones for the entire partition.
250 -- Interrupt_States is the address of a string used to specify the
251 -- cumulative results of Interrupt_State pragmas used in the partition.
252 -- The length of this string is determined by the last interrupt for which
253 -- such a pragma is given (the string will be a null string if no pragmas
254 -- were used). If pragma were present the entries apply to the interrupts
255 -- in sequence from the first interrupt, and are set to one of four
256 -- possible settings: 'n' for not specified, 'u' for user, 'r' for run
257 -- time, 's' for system, see description of Interrupt_State pragma for
260 -- Num_Interrupt_States is the length of the Interrupt_States string. It
261 -- will be set to zero if no Interrupt_State pragmas are present.
263 -- Unreserve_All_Interrupts is set to one if at least one unit in the
264 -- partition had a pragma Unreserve_All_Interrupts, and zero otherwise.
266 -- Exception_Tracebacks is set to one if the -Ea or -E parameter was
267 -- present in the bind and to zero otherwise. Note that on some targets
268 -- exception tracebacks are provided by default, so a value of zero for
269 -- this parameter does not necessarily mean no trace backs are available.
271 -- Exception_Tracebacks_Symbolic is set to one if the -Es parameter was
272 -- present in the bind and to zero otherwise.
274 -- Detect_Blocking indicates whether pragma Detect_Blocking is active or
275 -- not. A value of zero indicates that the pragma is not present, while a
276 -- value of 1 signals its presence in the partition.
278 -- Default_Stack_Size is the default stack size used when creating an Ada
279 -- task with no explicit Storage_Size clause.
281 -- Default_Secondary_Stack_Size is the default secondary stack size used
282 -- when creating an Ada task with no explicit Secondary_Stack_Size clause.
284 -- Leap_Seconds_Support denotes whether leap seconds have been enabled or
285 -- disabled. A value of zero indicates that leap seconds are turned "off",
286 -- while a value of one signifies "on" status.
288 -- Main_CPU is the processor set by pragma CPU in the main program. If no
289 -- such pragma is present, the value is -1.
291 -- Default_Sized_SS_Pool is set to the address of the default-sized
292 -- secondary stacks array generated by the binder. This pool of stacks is
293 -- generated when either the restriction No_Implicit_Heap_Allocations
294 -- or No_Implicit_Task_Allocations is active.
296 -- Binder_Sec_Stacks_Count is the number of generated secondary stacks in
297 -- the Default_Sized_SS_Pool.
299 procedure WBI
(Info
: String) renames Osint
.B
.Write_Binder_Info
;
300 -- Convenient shorthand used throughout
302 -----------------------
303 -- Local Subprograms --
304 -----------------------
306 procedure Gen_Adainit
(Elab_Order
: Unit_Id_Array
);
307 -- Generates the Adainit procedure
309 procedure Gen_Adafinal
;
310 -- Generate the Adafinal procedure
312 procedure Gen_Bind_Env_String
;
313 -- Generate the bind environment buffer
315 procedure Gen_CodePeer_Wrapper
;
316 -- For CodePeer, generate wrapper which calls user-defined main subprogram
318 procedure Gen_Elab_Calls
(Elab_Order
: Unit_Id_Array
);
319 -- Generate sequence of elaboration calls
321 procedure Gen_Elab_Externals
(Elab_Order
: Unit_Id_Array
);
322 -- Generate sequence of external declarations for elaboration
324 procedure Gen_Elab_Order
(Elab_Order
: Unit_Id_Array
);
325 -- Generate comments showing elaboration order chosen
327 procedure Gen_Finalize_Library
(Elab_Order
: Unit_Id_Array
);
328 -- Generate a sequence of finalization calls to elaborated packages
331 -- Generate procedure main
333 procedure Gen_Object_Files_Options
(Elab_Order
: Unit_Id_Array
);
334 -- Output comments containing a list of the full names of the object
335 -- files to be linked and the list of linker options supplied by
336 -- Linker_Options pragmas in the source.
338 procedure Gen_Output_File_Ada
340 Elab_Order
: Unit_Id_Array
);
341 -- Generate Ada output file
343 procedure Gen_Restrictions
;
344 -- Generate initialization of restrictions variable
346 procedure Gen_Versions
;
347 -- Output series of definitions for unit versions
349 function Get_Ada_Main_Name
return String;
350 -- This function is used for the Ada main output to compute a usable name
351 -- for the generated main program. The normal main program name is
352 -- Ada_Main, but this won't work if the user has a unit with this name.
353 -- This function tries Ada_Main first, and if there is such a clash, then
354 -- it tries Ada_Name_01, Ada_Name_02 ... Ada_Name_99 in sequence.
356 function Get_Main_Unit_Name
(S
: String) return String;
357 -- Return the main unit name corresponding to S by replacing '.' with '_'
359 function Get_Main_Name
return String;
360 -- This function is used in the main output case to compute the correct
361 -- external main program. It is "main" by default, unless the flag
362 -- Use_Ada_Main_Program_Name_On_Target is set, in which case it is the name
363 -- of the Ada main name without the "_ada". This default can be overridden
364 -- explicitly using the -Mname binder switch.
366 function Get_WC_Encoding
return Character;
367 -- Return wide character encoding method to set as WC_Encoding in output.
368 -- If -W has been used, returns the specified encoding, otherwise returns
369 -- the encoding method used for the main program source. If there is no
370 -- main program source (-z switch used), returns brackets ('b').
372 function Has_Finalizer
(Elab_Order
: Unit_Id_Array
) return Boolean;
373 -- Determine whether the current unit has at least one library-level
376 function Lt_Linker_Option
(Op1
: Natural; Op2
: Natural) return Boolean;
377 -- Compare linker options, when sorting, first according to
378 -- Is_Internal_File (internal files come later) and then by
379 -- elaboration order position (latest to earliest).
381 procedure Move_Linker_Option
(From
: Natural; To
: Natural);
382 -- Move routine for sorting linker options
384 procedure Resolve_Binder_Options
(Elab_Order
: Unit_Id_Array
);
385 -- Set the value of With_GNARL
387 procedure Set_Char
(C
: Character);
388 -- Set given character in Statement_Buffer at the Stm_Last + 1 position
389 -- and increment Stm_Last by one to reflect the stored character.
391 procedure Set_Int
(N
: Int
);
392 -- Set given value in decimal in Statement_Buffer with no spaces starting
393 -- at the Stm_Last + 1 position, and updating Stm_Last past the value. A
394 -- minus sign is output for a negative value.
396 procedure Set_Boolean
(B
: Boolean);
397 -- Set given boolean value in Statement_Buffer at the Stm_Last + 1 position
398 -- and update Stm_Last past the value.
400 procedure Set_IS_Pragma_Table
;
401 -- Initializes contents of IS_Pragma_Settings table from ALI table
403 procedure Set_Main_Program_Name
;
404 -- Given the main program name in Name_Buffer (length in Name_Len) generate
405 -- the name of the routine to be used in the call. The name is generated
406 -- starting at Stm_Last + 1, and Stm_Last is updated past it.
408 procedure Set_Name_Buffer
;
409 -- Set the value stored in positions 1 .. Name_Len of the Name_Buffer
411 procedure Set_PSD_Pragma_Table
;
412 -- Initializes contents of PSD_Pragma_Settings table from ALI table
414 procedure Set_String
(S
: String);
415 -- Sets characters of given string in Statement_Buffer, starting at the
416 -- Stm_Last + 1 position, and updating last past the string value.
418 procedure Set_String_Replace
(S
: String);
419 -- Replaces the last S'Length characters in the Statement_Buffer with the
420 -- characters of S. The caller must ensure that these characters do in fact
421 -- exist in the Statement_Buffer.
423 procedure Set_Unit_Name
;
424 -- Given a unit name in the Name_Buffer, copy it into Statement_Buffer,
425 -- starting at the Stm_Last + 1 position and update Stm_Last past the
426 -- value. Each dot (.) will be qualified into double underscores (__).
428 procedure Set_Unit_Number
(U
: Unit_Id
);
429 -- Sets unit number (first unit is 1, leading zeroes output to line up all
430 -- output unit numbers nicely as required by the value, and by the total
433 procedure Write_Statement_Buffer
;
434 -- Write out contents of statement buffer up to Stm_Last, and reset
437 procedure Write_Statement_Buffer
(S
: String);
438 -- First writes its argument (using Set_String (S)), then writes out the
439 -- contents of statement buffer up to Stm_Last, and resets Stm_Last to 0.
441 procedure Write_Bind_Line
(S
: String);
442 -- Write S (an LF-terminated string) to the binder file (for use with
443 -- Set_Special_Output).
449 procedure Gen_Adafinal
is
451 WBI
(" procedure " & Ada_Final_Name
.all & " is");
453 -- Call s_stalib_adafinal to await termination of tasks and so on. We
454 -- want to do this if there is a main program, either in Ada or in some
455 -- other language. (Note that Bind_Main_Program is True for Ada mains,
456 -- but False for mains in other languages.) We do not want to do this if
457 -- we're binding a library.
459 if not Bind_For_Library
and not CodePeer_Mode
then
460 WBI
(" procedure s_stalib_adafinal;");
461 Set_String
(" pragma Import (C, s_stalib_adafinal, ");
462 Set_String
("""system__standard_library__adafinal"");");
463 Write_Statement_Buffer
;
467 WBI
(" procedure Runtime_Finalize;");
468 WBI
(" pragma Import (C, Runtime_Finalize, " &
469 """__gnat_runtime_finalize"");");
473 if not CodePeer_Mode
then
474 WBI
(" if not Is_Elaborated then");
477 WBI
(" Is_Elaborated := False;");
480 WBI
(" Runtime_Finalize;");
482 -- By default (real targets), finalization is done differently depending
483 -- on whether this is the main program or a library.
485 if not CodePeer_Mode
then
486 if not Bind_For_Library
then
487 WBI
(" s_stalib_adafinal;");
488 elsif Lib_Final_Built
then
489 WBI
(" finalize_library;");
494 -- Pragma Import C cannot be used on virtual targets, therefore call the
495 -- runtime finalization routine directly in CodePeer mode, where
496 -- imported functions are ignored.
499 WBI
(" System.Standard_Library.Adafinal;");
502 WBI
(" end " & Ada_Final_Name
.all & ";");
510 procedure Gen_Adainit
(Elab_Order
: Unit_Id_Array
) is
511 Main_Priority
: Int
renames ALIs
.Table
(ALIs
.First
).Main_Priority
;
512 Main_CPU
: Int
renames ALIs
.Table
(ALIs
.First
).Main_CPU
;
515 -- Declare the access-to-subprogram type used for initialization of
516 -- of __gnat_finalize_library_objects. This is declared at library
517 -- level for compatibility with the type used in System.Soft_Links.
518 -- The import of the soft link which performs library-level object
519 -- finalization does not work for CodePeer, so regular Ada is used in
520 -- that case. For restricted run-time libraries (ZFP and Ravenscar)
521 -- tasks are non-terminating, so we do not want finalization.
523 if not Suppress_Standard_Library_On_Target
524 and then not CodePeer_Mode
525 and then not Configurable_Run_Time_On_Target
527 WBI
(" type No_Param_Proc is access procedure;");
531 WBI
(" procedure " & Ada_Init_Name
.all & " is");
533 -- In CodePeer mode, simplify adainit procedure by only calling
534 -- elaboration procedures.
536 if CodePeer_Mode
then
539 -- If the standard library is suppressed, then the only global variables
540 -- that might be needed (by the Ravenscar profile) are the priority and
541 -- the processor for the environment task.
543 elsif Suppress_Standard_Library_On_Target
then
544 if Main_Priority
/= No_Main_Priority
then
545 WBI
(" Main_Priority : Integer;");
546 WBI
(" pragma Import (C, Main_Priority," &
547 " ""__gl_main_priority"");");
551 if Main_CPU
/= No_Main_CPU
then
552 WBI
(" Main_CPU : Integer;");
553 WBI
(" pragma Import (C, Main_CPU," &
554 " ""__gl_main_cpu"");");
558 if System_Interrupts_Used
559 and then Partition_Elaboration_Policy_Specified
= 'S'
561 WBI
(" procedure Install_Restricted_Handlers_Sequential;");
562 WBI
(" pragma Import (C," &
563 "Install_Restricted_Handlers_Sequential," &
564 " ""__gnat_attach_all_handlers"");");
568 if System_Tasking_Restricted_Stages_Used
569 and then Partition_Elaboration_Policy_Specified
= 'S'
571 WBI
(" Partition_Elaboration_Policy : Character;");
572 WBI
(" pragma Import (C, Partition_Elaboration_Policy," &
573 " ""__gnat_partition_elaboration_policy"");");
575 WBI
(" procedure Activate_All_Tasks_Sequential;");
576 WBI
(" pragma Import (C, Activate_All_Tasks_Sequential," &
577 " ""__gnat_activate_all_tasks"");");
581 if System_BB_CPU_Primitives_Multiprocessors_Used
then
582 WBI
(" procedure Start_Slave_CPUs;");
583 WBI
(" pragma Import (C, Start_Slave_CPUs," &
584 " ""__gnat_start_slave_cpus"");");
588 -- A restricted run-time may attempt to initialize the main task's
589 -- secondary stack even if the stack is not used. Consequently,
590 -- the binder needs to initialize Binder_Sec_Stacks_Count anytime
591 -- System.Secondary_Stack is in the enclosure of the partition.
593 if System_Secondary_Stack_Used
then
594 WBI
(" Binder_Sec_Stacks_Count : Natural;");
595 WBI
(" pragma Import (Ada, Binder_Sec_Stacks_Count, " &
596 """__gnat_binder_ss_count"");");
600 if Sec_Stack_Used
then
601 WBI
(" Default_Secondary_Stack_Size : " &
602 "System.Parameters.Size_Type;");
603 WBI
(" pragma Import (C, Default_Secondary_Stack_Size, " &
604 """__gnat_default_ss_size"");");
606 WBI
(" Default_Sized_SS_Pool : System.Address;");
607 WBI
(" pragma Import (Ada, Default_Sized_SS_Pool, " &
608 """__gnat_default_ss_pool"");");
615 if Main_Priority
/= No_Main_Priority
then
616 Set_String
(" Main_Priority := ");
617 Set_Int
(Main_Priority
);
619 Write_Statement_Buffer
;
622 if Main_CPU
/= No_Main_CPU
then
623 Set_String
(" Main_CPU := ");
626 Write_Statement_Buffer
;
629 if System_Tasking_Restricted_Stages_Used
630 and then Partition_Elaboration_Policy_Specified
= 'S'
632 Set_String
(" Partition_Elaboration_Policy := '");
633 Set_Char
(Partition_Elaboration_Policy_Specified
);
635 Write_Statement_Buffer
;
638 if Main_Priority
= No_Main_Priority
639 and then Main_CPU
= No_Main_CPU
640 and then not System_Tasking_Restricted_Stages_Used
645 -- Generate default-sized secondary stack pool and set secondary
648 if Sec_Stack_Used
then
650 -- Elaborate the body of the binder to initialize the default-
651 -- sized secondary stack pool.
654 WBI
(" " & Get_Ada_Main_Name
& "'Elab_Body;");
656 -- Generate the default-sized secondary stack pool and set the
657 -- related secondary stack globals.
659 Set_String
(" Default_Secondary_Stack_Size := ");
661 if Opt
.Default_Sec_Stack_Size
/= Opt
.No_Stack_Size
then
662 Set_Int
(Opt
.Default_Sec_Stack_Size
);
664 Set_String
("System.Parameters.Runtime_Default_Sec_Stack_Size");
668 Write_Statement_Buffer
;
670 Set_String
(" Binder_Sec_Stacks_Count := ");
671 Set_Int
(Num_Sec_Stacks
);
673 Write_Statement_Buffer
;
675 WBI
(" Default_Sized_SS_Pool := " &
676 "Sec_Default_Sized_Stacks'Address;");
679 -- When a restricted run-time initializes the main task's secondary
680 -- stack but the program does not use it, no secondary stack is
681 -- generated. Binder_Sec_Stacks_Count is set to zero so the run-time
682 -- is aware that the lack of pre-allocated secondary stack is
685 elsif System_Secondary_Stack_Used
then
686 WBI
(" Binder_Sec_Stacks_Count := 0;");
689 -- Normal case (standard library not suppressed). Set all global values
690 -- used by the run time.
693 WBI
(" Main_Priority : Integer;");
694 WBI
(" pragma Import (C, Main_Priority, " &
695 """__gl_main_priority"");");
696 WBI
(" Time_Slice_Value : Integer;");
697 WBI
(" pragma Import (C, Time_Slice_Value, " &
698 """__gl_time_slice_val"");");
699 WBI
(" WC_Encoding : Character;");
700 WBI
(" pragma Import (C, WC_Encoding, ""__gl_wc_encoding"");");
701 WBI
(" Locking_Policy : Character;");
702 WBI
(" pragma Import (C, Locking_Policy, " &
703 """__gl_locking_policy"");");
704 WBI
(" Queuing_Policy : Character;");
705 WBI
(" pragma Import (C, Queuing_Policy, " &
706 """__gl_queuing_policy"");");
707 WBI
(" Task_Dispatching_Policy : Character;");
708 WBI
(" pragma Import (C, Task_Dispatching_Policy, " &
709 """__gl_task_dispatching_policy"");");
710 WBI
(" Priority_Specific_Dispatching : System.Address;");
711 WBI
(" pragma Import (C, Priority_Specific_Dispatching, " &
712 """__gl_priority_specific_dispatching"");");
713 WBI
(" Num_Specific_Dispatching : Integer;");
714 WBI
(" pragma Import (C, Num_Specific_Dispatching, " &
715 """__gl_num_specific_dispatching"");");
716 WBI
(" Main_CPU : Integer;");
717 WBI
(" pragma Import (C, Main_CPU, " &
718 """__gl_main_cpu"");");
720 WBI
(" Interrupt_States : System.Address;");
721 WBI
(" pragma Import (C, Interrupt_States, " &
722 """__gl_interrupt_states"");");
723 WBI
(" Num_Interrupt_States : Integer;");
724 WBI
(" pragma Import (C, Num_Interrupt_States, " &
725 """__gl_num_interrupt_states"");");
726 WBI
(" Unreserve_All_Interrupts : Integer;");
727 WBI
(" pragma Import (C, Unreserve_All_Interrupts, " &
728 """__gl_unreserve_all_interrupts"");");
730 if Exception_Tracebacks
or Exception_Tracebacks_Symbolic
then
731 WBI
(" Exception_Tracebacks : Integer;");
732 WBI
(" pragma Import (C, Exception_Tracebacks, " &
733 """__gl_exception_tracebacks"");");
735 if Exception_Tracebacks_Symbolic
then
736 WBI
(" Exception_Tracebacks_Symbolic : Integer;");
737 WBI
(" pragma Import (C, Exception_Tracebacks_Symbolic, " &
738 """__gl_exception_tracebacks_symbolic"");");
742 WBI
(" Detect_Blocking : Integer;");
743 WBI
(" pragma Import (C, Detect_Blocking, " &
744 """__gl_detect_blocking"");");
745 WBI
(" Default_Stack_Size : Integer;");
746 WBI
(" pragma Import (C, Default_Stack_Size, " &
747 """__gl_default_stack_size"");");
749 if Sec_Stack_Used
then
750 WBI
(" Default_Secondary_Stack_Size : " &
751 "System.Parameters.Size_Type;");
752 WBI
(" pragma Import (C, Default_Secondary_Stack_Size, " &
753 """__gnat_default_ss_size"");");
756 WBI
(" Leap_Seconds_Support : Integer;");
757 WBI
(" pragma Import (C, Leap_Seconds_Support, " &
758 """__gl_leap_seconds_support"");");
759 WBI
(" Bind_Env_Addr : System.Address;");
760 WBI
(" pragma Import (C, Bind_Env_Addr, " &
761 """__gl_bind_env_addr"");");
763 -- Import entry point for elaboration time signal handler
764 -- installation, and indication of if it's been called previously.
767 WBI
(" procedure Runtime_Initialize " &
768 "(Install_Handler : Integer);");
769 WBI
(" pragma Import (C, Runtime_Initialize, " &
770 """__gnat_runtime_initialize"");");
772 -- Import handlers attach procedure for sequential elaboration policy
774 if System_Interrupts_Used
775 and then Partition_Elaboration_Policy_Specified
= 'S'
777 WBI
(" procedure Install_Restricted_Handlers_Sequential;");
778 WBI
(" pragma Import (C," &
779 "Install_Restricted_Handlers_Sequential," &
780 " ""__gnat_attach_all_handlers"");");
784 -- Import task activation procedure for sequential elaboration
787 if System_Tasking_Restricted_Stages_Used
788 and then Partition_Elaboration_Policy_Specified
= 'S'
790 WBI
(" Partition_Elaboration_Policy : Character;");
791 WBI
(" pragma Import (C, Partition_Elaboration_Policy," &
792 " ""__gnat_partition_elaboration_policy"");");
794 WBI
(" procedure Activate_All_Tasks_Sequential;");
795 WBI
(" pragma Import (C, Activate_All_Tasks_Sequential," &
796 " ""__gnat_activate_all_tasks"");");
799 -- Import procedure to start slave cpus for bareboard runtime
801 if System_BB_CPU_Primitives_Multiprocessors_Used
then
802 WBI
(" procedure Start_Slave_CPUs;");
803 WBI
(" pragma Import (C, Start_Slave_CPUs," &
804 " ""__gnat_start_slave_cpus"");");
807 -- For restricted run-time libraries (ZFP and Ravenscar)
808 -- tasks are non-terminating, so we do not want finalization.
810 if not Configurable_Run_Time_On_Target
then
812 WBI
(" Finalize_Library_Objects : No_Param_Proc;");
813 WBI
(" pragma Import (C, Finalize_Library_Objects, " &
814 """__gnat_finalize_library_objects"");");
817 -- Initialize stack limit variable of the environment task if the
818 -- stack check method is stack limit and stack check is enabled.
820 if Stack_Check_Limits_On_Target
821 and then (Stack_Check_Default_On_Target
or Stack_Check_Switch_Set
)
824 WBI
(" procedure Initialize_Stack_Limit;");
825 WBI
(" pragma Import (C, Initialize_Stack_Limit, " &
826 """__gnat_initialize_stack_limit"");");
829 -- When dispatching domains are used then we need to signal it
830 -- before calling the main procedure.
832 if Dispatching_Domains_Used
then
833 WBI
(" procedure Freeze_Dispatching_Domains;");
834 WBI
(" pragma Import");
835 WBI
(" (Ada, Freeze_Dispatching_Domains, "
836 & """__gnat_freeze_dispatching_domains"");");
839 -- Secondary stack global variables
841 WBI
(" Binder_Sec_Stacks_Count : Natural;");
842 WBI
(" pragma Import (Ada, Binder_Sec_Stacks_Count, " &
843 """__gnat_binder_ss_count"");");
845 WBI
(" Default_Sized_SS_Pool : System.Address;");
846 WBI
(" pragma Import (Ada, Default_Sized_SS_Pool, " &
847 """__gnat_default_ss_pool"");");
851 -- Start of processing for Adainit
854 WBI
(" if Is_Elaborated then");
857 WBI
(" Is_Elaborated := True;");
859 -- Call System.Elaboration_Allocators.Mark_Start_Of_Elaboration if
860 -- restriction No_Standard_Allocators_After_Elaboration is active.
862 if Cumulative_Restrictions
.Set
863 (No_Standard_Allocators_After_Elaboration
)
865 WBI
(" System.Elaboration_Allocators."
866 & "Mark_Start_Of_Elaboration;");
869 -- Generate assignments to initialize globals
871 Set_String
(" Main_Priority := ");
872 Set_Int
(Main_Priority
);
874 Write_Statement_Buffer
;
876 Set_String
(" Time_Slice_Value := ");
878 if Task_Dispatching_Policy_Specified
= 'F'
879 and then ALIs
.Table
(ALIs
.First
).Time_Slice_Value
= -1
883 Set_Int
(ALIs
.Table
(ALIs
.First
).Time_Slice_Value
);
887 Write_Statement_Buffer
;
889 Set_String
(" WC_Encoding := '");
890 Set_Char
(Get_WC_Encoding
);
893 Write_Statement_Buffer
;
895 Set_String
(" Locking_Policy := '");
896 Set_Char
(Locking_Policy_Specified
);
898 Write_Statement_Buffer
;
900 Set_String
(" Queuing_Policy := '");
901 Set_Char
(Queuing_Policy_Specified
);
903 Write_Statement_Buffer
;
905 Set_String
(" Task_Dispatching_Policy := '");
906 Set_Char
(Task_Dispatching_Policy_Specified
);
908 Write_Statement_Buffer
;
910 if System_Tasking_Restricted_Stages_Used
911 and then Partition_Elaboration_Policy_Specified
= 'S'
913 Set_String
(" Partition_Elaboration_Policy := '");
914 Set_Char
(Partition_Elaboration_Policy_Specified
);
916 Write_Statement_Buffer
;
921 WBI
(" Priority_Specific_Dispatching :=");
922 WBI
(" Local_Priority_Specific_Dispatching'Address;");
924 Set_String
(" Num_Specific_Dispatching := ");
925 Set_Int
(PSD_Pragma_Settings
.Last
+ 1);
927 Write_Statement_Buffer
;
929 Set_String
(" Main_CPU := ");
932 Write_Statement_Buffer
;
934 WBI
(" Interrupt_States := Local_Interrupt_States'Address;");
936 Set_String
(" Num_Interrupt_States := ");
937 Set_Int
(IS_Pragma_Settings
.Last
+ 1);
939 Write_Statement_Buffer
;
941 Set_String
(" Unreserve_All_Interrupts := ");
943 if Unreserve_All_Interrupts_Specified
then
950 Write_Statement_Buffer
;
952 if Exception_Tracebacks
or Exception_Tracebacks_Symbolic
then
953 WBI
(" Exception_Tracebacks := 1;");
955 if Exception_Tracebacks_Symbolic
then
956 WBI
(" Exception_Tracebacks_Symbolic := 1;");
960 Set_String
(" Detect_Blocking := ");
962 if Detect_Blocking
then
969 Write_Statement_Buffer
;
971 Set_String
(" Default_Stack_Size := ");
972 Set_Int
(Default_Stack_Size
);
974 Write_Statement_Buffer
;
976 Set_String
(" Leap_Seconds_Support := ");
978 if Leap_Seconds_Support
then
985 Write_Statement_Buffer
;
987 if Bind_Env_String_Built
then
988 WBI
(" Bind_Env_Addr := Bind_Env'Address;");
993 -- Generate default-sized secondary stack pool and set secondary
996 if Sec_Stack_Used
then
998 -- Elaborate the body of the binder to initialize the default-
999 -- sized secondary stack pool.
1001 WBI
(" " & Get_Ada_Main_Name
& "'Elab_Body;");
1003 -- Generate the default-sized secondary stack pool and set the
1004 -- related secondary stack globals.
1006 Set_String
(" Default_Secondary_Stack_Size := ");
1008 if Opt
.Default_Sec_Stack_Size
/= Opt
.No_Stack_Size
then
1009 Set_Int
(Opt
.Default_Sec_Stack_Size
);
1011 Set_String
("System.Parameters.Runtime_Default_Sec_Stack_Size");
1015 Write_Statement_Buffer
;
1017 Set_String
(" Binder_Sec_Stacks_Count := ");
1018 Set_Int
(Num_Sec_Stacks
);
1020 Write_Statement_Buffer
;
1022 Set_String
(" Default_Sized_SS_Pool := ");
1024 if Num_Sec_Stacks
> 0 then
1025 Set_String
("Sec_Default_Sized_Stacks'Address;");
1027 Set_String
("System.Null_Address;");
1030 Write_Statement_Buffer
;
1034 -- Generate call to Runtime_Initialize
1036 WBI
(" Runtime_Initialize (1);");
1039 -- Generate call to set Initialize_Scalar values if active
1041 if Initialize_Scalars_Used
then
1043 Set_String
(" System.Scalar_Values.Initialize ('");
1044 Set_Char
(Initialize_Scalars_Mode1
);
1045 Set_String
("', '");
1046 Set_Char
(Initialize_Scalars_Mode2
);
1048 Write_Statement_Buffer
;
1051 -- Initialize stack limit variable of the environment task if the stack
1052 -- check method is stack limit and stack check is enabled.
1054 if Stack_Check_Limits_On_Target
1055 and then (Stack_Check_Default_On_Target
or Stack_Check_Switch_Set
)
1058 WBI
(" Initialize_Stack_Limit;");
1061 -- On CodePeer, the finalization of library objects is not relevant
1063 if CodePeer_Mode
then
1066 -- If this is the main program case, attach finalize_library to the soft
1067 -- link. Do it only when not using a restricted run time, in which case
1068 -- tasks are non-terminating, so we do not want library-level
1071 elsif not Bind_For_Library
1072 and then not Configurable_Run_Time_On_Target
1073 and then not Suppress_Standard_Library_On_Target
1077 if Lib_Final_Built
then
1078 Set_String
(" Finalize_Library_Objects := ");
1079 Set_String
("finalize_library'access;");
1081 Set_String
(" Finalize_Library_Objects := null;");
1084 Write_Statement_Buffer
;
1087 -- Generate elaboration calls
1089 if not CodePeer_Mode
then
1093 Gen_Elab_Calls
(Elab_Order
);
1095 if not CodePeer_Mode
then
1097 -- Call System.Elaboration_Allocators.Mark_Start_Of_Elaboration if
1098 -- restriction No_Standard_Allocators_After_Elaboration is active.
1100 if Cumulative_Restrictions
.Set
1101 (No_Standard_Allocators_After_Elaboration
)
1104 (" System.Elaboration_Allocators.Mark_End_Of_Elaboration;");
1107 -- From this point, no new dispatching domain can be created
1109 if Dispatching_Domains_Used
then
1110 WBI
(" Freeze_Dispatching_Domains;");
1113 -- Sequential partition elaboration policy
1115 if Partition_Elaboration_Policy_Specified
= 'S' then
1116 if System_Interrupts_Used
then
1117 WBI
(" Install_Restricted_Handlers_Sequential;");
1120 if System_Tasking_Restricted_Stages_Used
then
1121 WBI
(" Activate_All_Tasks_Sequential;");
1125 if System_BB_CPU_Primitives_Multiprocessors_Used
then
1126 WBI
(" Start_Slave_CPUs;");
1130 WBI
(" end " & Ada_Init_Name
.all & ";");
1134 -------------------------
1135 -- Gen_Bind_Env_String --
1136 -------------------------
1138 procedure Gen_Bind_Env_String
is
1139 procedure Write_Name_With_Len
(Nam
: Name_Id
);
1140 -- Write Nam as a string literal, prefixed with one
1141 -- character encoding Nam's length.
1143 -------------------------
1144 -- Write_Name_With_Len --
1145 -------------------------
1147 procedure Write_Name_With_Len
(Nam
: Name_Id
) is
1149 Get_Name_String
(Nam
);
1152 Store_String_Char
(Character'Val (Name_Len
));
1153 Store_String_Chars
(Name_Buffer
(1 .. Name_Len
));
1155 Write_String_Table_Entry
(End_String
);
1156 end Write_Name_With_Len
;
1161 KN
: Name_Id
:= No_Name
;
1162 VN
: Name_Id
:= No_Name
;
1164 -- Start of processing for Gen_Bind_Env_String
1167 Bind_Environment
.Get_First
(KN
, VN
);
1169 if VN
= No_Name
then
1173 Set_Special_Output
(Write_Bind_Line
'Access);
1175 WBI
(" Bind_Env : aliased constant String :=");
1177 while VN
/= No_Name
loop
1178 Write_Str
(" " & Amp
& ' ');
1179 Write_Name_With_Len
(KN
);
1181 Write_Name_With_Len
(VN
);
1184 Bind_Environment
.Get_Next
(KN
, VN
);
1187 WBI
(" & ASCII.NUL;");
1189 Set_Special_Output
(null);
1191 Bind_Env_String_Built
:= True;
1192 end Gen_Bind_Env_String
;
1194 --------------------------
1195 -- Gen_CodePeer_Wrapper --
1196 --------------------------
1198 procedure Gen_CodePeer_Wrapper
is
1199 Callee_Name
: constant String := "Ada_Main_Program";
1202 if ALIs
.Table
(ALIs
.First
).Main_Program
= Proc
then
1203 WBI
(" procedure " & CodePeer_Wrapper_Name
& " is ");
1205 WBI
(" " & Callee_Name
& ";");
1208 WBI
(" function " & CodePeer_Wrapper_Name
& " return Integer is");
1210 WBI
(" return " & Callee_Name
& ";");
1213 WBI
(" end " & CodePeer_Wrapper_Name
& ";");
1215 end Gen_CodePeer_Wrapper
;
1217 --------------------
1218 -- Gen_Elab_Calls --
1219 --------------------
1221 procedure Gen_Elab_Calls
(Elab_Order
: Unit_Id_Array
) is
1222 Check_Elab_Flag
: Boolean;
1225 -- Loop through elaboration order entries
1227 for E
in Elab_Order
'Range loop
1229 Unum
: constant Unit_Id
:= Elab_Order
(E
);
1230 U
: Unit_Record
renames Units
.Table
(Unum
);
1232 Unum_Spec
: Unit_Id
;
1233 -- This is the unit number of the spec that corresponds to
1234 -- this entry. It is the same as Unum except when the body
1235 -- and spec are different and we are currently processing
1236 -- the body, in which case it is the spec (Unum + 1).
1239 if U
.Utype
= Is_Body
then
1240 Unum_Spec
:= Unum
+ 1;
1245 -- Nothing to do if predefined unit in no run time mode
1247 if No_Run_Time_Mode
and then Is_Predefined_File_Name
(U
.Sfile
) then
1250 -- Likewise if this is an interface to a stand alone library
1252 elsif U
.SAL_Interface
then
1255 -- Case of no elaboration code
1259 -- In CodePeer mode, we special case subprogram bodies which
1260 -- are handled in the 'else' part below, and lead to a call
1261 -- to <subp>'Elab_Subp_Body.
1263 and then (not CodePeer_Mode
1267 or else U
.Utype
= Is_Spec
1268 or else U
.Utype
= Is_Spec_Only
1269 or else U
.Unit_Kind
/= 's')
1271 -- In the case of a body with a separate spec, where the
1272 -- separate spec has an elaboration entity defined, this is
1273 -- where we increment the elaboration entity if one exists.
1275 -- Likewise for lone specs with an elaboration entity defined
1276 -- despite No_Elaboration_Code, e.g. when requested to preserve
1279 if (U
.Utype
= Is_Body
or else U
.Utype
= Is_Spec_Only
)
1280 and then Units
.Table
(Unum_Spec
).Set_Elab_Entity
1281 and then not CodePeer_Mode
1284 Set_Unit_Number
(Unum_Spec
);
1285 Set_String
(" := E");
1286 Set_Unit_Number
(Unum_Spec
);
1287 Set_String
(" + 1;");
1288 Write_Statement_Buffer
;
1291 -- Here if elaboration code is present. If binding a library
1292 -- or if there is a non-Ada main subprogram then we generate:
1294 -- if uname_E = 0 then
1295 -- uname'elab_[spec|body];
1297 -- uname_E := uname_E + 1;
1299 -- Otherwise, elaboration routines are called unconditionally:
1301 -- uname'elab_[spec|body];
1302 -- uname_E := uname_E + 1;
1304 -- The uname_E increment is skipped if this is a separate spec,
1305 -- since it will be done when we process the body.
1307 -- In CodePeer mode, we do not generate any reference to xxx_E
1308 -- variables, only calls to 'Elab* subprograms.
1311 -- Check incompatibilities with No_Multiple_Elaboration
1313 if not CodePeer_Mode
1314 and then Cumulative_Restrictions
.Set
(No_Multiple_Elaboration
)
1316 -- Force_Checking_Of_Elaboration_Flags (-F) not allowed
1318 if Force_Checking_Of_Elaboration_Flags
then
1320 ("-F (force elaboration checks) switch not allowed "
1321 & "with restriction No_Multiple_Elaboration active");
1323 -- Interfacing of libraries not allowed
1325 elsif Interface_Library_Unit
then
1327 ("binding of interfaced libraries not allowed "
1328 & "with restriction No_Multiple_Elaboration active");
1330 -- Non-Ada main program not allowed
1332 elsif not Bind_Main_Program
then
1334 ("non-Ada main program not allowed "
1335 & "with restriction No_Multiple_Elaboration active");
1339 -- OK, see if we need to test elaboration flag
1342 Units
.Table
(Unum_Spec
).Set_Elab_Entity
1343 and then not CodePeer_Mode
1344 and then (Force_Checking_Of_Elaboration_Flags
1345 or Interface_Library_Unit
1346 or not Bind_Main_Program
);
1348 if Check_Elab_Flag
then
1349 Set_String
(" if E");
1350 Set_Unit_Number
(Unum_Spec
);
1351 Set_String
(" = 0 then");
1352 Write_Statement_Buffer
;
1357 Get_Decoded_Name_String_With_Brackets
(U
.Uname
);
1359 if Name_Buffer
(Name_Len
) = 's' then
1360 Name_Buffer
(Name_Len
- 1 .. Name_Len
+ 8) :=
1362 Name_Len
:= Name_Len
+ 8;
1364 -- Special case in CodePeer mode for subprogram bodies
1365 -- which correspond to CodePeer 'Elab_Subp_Body special
1368 elsif U
.Unit_Kind
= 's' and CodePeer_Mode
then
1369 Name_Buffer
(Name_Len
- 1 .. Name_Len
+ 13) :=
1371 Name_Len
:= Name_Len
+ 13;
1374 Name_Buffer
(Name_Len
- 1 .. Name_Len
+ 8) :=
1376 Name_Len
:= Name_Len
+ 8;
1379 Set_Casing
(U
.Icasing
);
1382 Write_Statement_Buffer
;
1384 if Check_Elab_Flag
then
1388 if U
.Utype
/= Is_Spec
1389 and then not CodePeer_Mode
1390 and then Units
.Table
(Unum_Spec
).Set_Elab_Entity
1393 Set_Unit_Number
(Unum_Spec
);
1394 Set_String
(" := E");
1395 Set_Unit_Number
(Unum_Spec
);
1396 Set_String
(" + 1;");
1397 Write_Statement_Buffer
;
1404 ------------------------
1405 -- Gen_Elab_Externals --
1406 ------------------------
1408 procedure Gen_Elab_Externals
(Elab_Order
: Unit_Id_Array
) is
1410 if CodePeer_Mode
then
1414 for E
in Elab_Order
'Range loop
1416 Unum
: constant Unit_Id
:= Elab_Order
(E
);
1417 U
: Unit_Record
renames Units
.Table
(Unum
);
1420 -- Check for Elab_Entity to be set for this unit
1422 if U
.Set_Elab_Entity
1424 -- Don't generate reference for stand alone library
1426 and then not U
.SAL_Interface
1428 -- Don't generate reference for predefined file in No_Run_Time
1429 -- mode, since we don't include the object files in this case
1433 and then Is_Predefined_File_Name
(U
.Sfile
))
1435 Get_Name_String
(U
.Sfile
);
1438 Set_Unit_Number
(Unum
);
1439 Set_String
(" : Short_Integer; pragma Import (Ada, E");
1440 Set_Unit_Number
(Unum
);
1441 Set_String
(", """);
1442 Get_Name_String
(U
.Uname
);
1444 Set_String
("_E"");");
1445 Write_Statement_Buffer
;
1451 end Gen_Elab_Externals
;
1453 --------------------
1454 -- Gen_Elab_Order --
1455 --------------------
1457 procedure Gen_Elab_Order
(Elab_Order
: Unit_Id_Array
) is
1460 WBI
(" -- BEGIN ELABORATION ORDER");
1462 for J
in Elab_Order
'Range loop
1463 Set_String
(" -- ");
1464 Get_Name_String
(Units
.Table
(Elab_Order
(J
)).Uname
);
1466 Write_Statement_Buffer
;
1469 WBI
(" -- END ELABORATION ORDER");
1472 --------------------------
1473 -- Gen_Finalize_Library --
1474 --------------------------
1476 procedure Gen_Finalize_Library
(Elab_Order
: Unit_Id_Array
) is
1477 procedure Gen_Header
;
1478 -- Generate the header of the finalization routine
1484 procedure Gen_Header
is
1486 WBI
(" procedure finalize_library is");
1494 Uspec
: Unit_Record
;
1497 -- Start of processing for Gen_Finalize_Library
1500 if CodePeer_Mode
then
1504 for E
in reverse Elab_Order
'Range loop
1505 Unum
:= Elab_Order
(E
);
1506 U
:= Units
.Table
(Unum
);
1508 -- Dealing with package bodies is a little complicated. In such
1509 -- cases we must retrieve the package spec since it contains the
1510 -- spec of the body finalizer.
1512 if U
.Utype
= Is_Body
then
1514 Uspec
:= Units
.Table
(Unum
);
1519 Get_Name_String
(Uspec
.Uname
);
1521 -- We are only interested in non-generic packages
1523 if U
.Unit_Kind
/= 'p' or else U
.Is_Generic
then
1526 -- That aren't an interface to a stand alone library
1528 elsif U
.SAL_Interface
then
1531 -- Case of no finalization
1533 elsif not U
.Has_Finalizer
then
1535 -- The only case in which we have to do something is if this
1536 -- is a body, with a separate spec, where the separate spec
1537 -- has a finalizer. In that case, this is where we decrement
1538 -- the elaboration entity.
1540 if U
.Utype
= Is_Body
and then Uspec
.Has_Finalizer
then
1541 if not Lib_Final_Built
then
1543 Lib_Final_Built
:= True;
1547 Set_Unit_Number
(Unum
);
1548 Set_String
(" := E");
1549 Set_Unit_Number
(Unum
);
1550 Set_String
(" - 1;");
1551 Write_Statement_Buffer
;
1555 if not Lib_Final_Built
then
1557 Lib_Final_Built
:= True;
1562 -- procedure F<Count>;
1564 Set_String
(" declare");
1565 Write_Statement_Buffer
;
1567 Set_String
(" procedure F");
1570 Write_Statement_Buffer
;
1573 -- pragma Import (Ada, F<Count>,
1574 -- "xx__yy__finalize_[body|spec]");
1576 Set_String
(" pragma Import (Ada, F");
1578 Set_String
(", """);
1580 -- Perform name construction
1583 Set_String
("__finalize_");
1585 -- Package spec processing
1587 if U
.Utype
= Is_Spec
1588 or else U
.Utype
= Is_Spec_Only
1590 Set_String
("spec");
1592 -- Package body processing
1595 Set_String
("body");
1598 Set_String
(""");");
1599 Write_Statement_Buffer
;
1601 -- If binding a library or if there is a non-Ada main subprogram
1602 -- then we generate:
1605 -- uname_E := uname_E - 1;
1606 -- if uname_E = 0 then
1611 -- Otherwise, finalization routines are called unconditionally:
1614 -- uname_E := uname_E - 1;
1618 -- The uname_E decrement is skipped if this is a separate spec,
1619 -- since it will be done when we process the body.
1623 if U
.Utype
/= Is_Spec
then
1625 Set_Unit_Number
(Unum
);
1626 Set_String
(" := E");
1627 Set_Unit_Number
(Unum
);
1628 Set_String
(" - 1;");
1629 Write_Statement_Buffer
;
1632 if Interface_Library_Unit
or not Bind_Main_Program
then
1633 Set_String
(" if E");
1634 Set_Unit_Number
(Unum
);
1635 Set_String
(" = 0 then");
1636 Write_Statement_Buffer
;
1643 Write_Statement_Buffer
;
1645 if Interface_Library_Unit
or not Bind_Main_Program
then
1655 if Lib_Final_Built
then
1657 -- It is possible that the finalization of a library-level object
1658 -- raised an exception. In that case import the actual exception
1659 -- and the routine necessary to raise it.
1662 WBI
(" procedure Reraise_Library_Exception_If_Any;");
1664 Set_String
(" pragma Import (Ada, ");
1665 Set_String
("Reraise_Library_Exception_If_Any, ");
1666 Set_String
("""__gnat_reraise_library_exception_if_any"");");
1667 Write_Statement_Buffer
;
1670 WBI
(" Reraise_Library_Exception_If_Any;");
1672 WBI
(" end finalize_library;");
1675 end Gen_Finalize_Library
;
1681 procedure Gen_Main
is
1683 if not No_Main_Subprogram
then
1685 -- To call the main program, we declare it using a pragma Import
1686 -- Ada with the right link name.
1688 -- It might seem more obvious to "with" the main program, and call
1689 -- it in the normal Ada manner. We do not do this for three
1692 -- 1. It is more efficient not to recompile the main program
1693 -- 2. We are not entitled to assume the source is accessible
1694 -- 3. We don't know what options to use to compile it
1696 -- It is really reason 3 that is most critical (indeed we used
1697 -- to generate the "with", but several regression tests failed).
1699 if ALIs
.Table
(ALIs
.First
).Main_Program
= Func
then
1700 WBI
(" function Ada_Main_Program return Integer;");
1702 WBI
(" procedure Ada_Main_Program;");
1705 Set_String
(" pragma Import (Ada, Ada_Main_Program, """);
1706 Get_Name_String
(Units
.Table
(First_Unit_Entry
).Uname
);
1707 Set_Main_Program_Name
;
1708 Set_String
(""");");
1710 Write_Statement_Buffer
;
1713 -- For CodePeer, declare a wrapper for the user-defined main program
1715 if CodePeer_Mode
then
1716 Gen_CodePeer_Wrapper
;
1720 if Exit_Status_Supported_On_Target
then
1721 Set_String
(" function ");
1723 Set_String
(" procedure ");
1726 Set_String
(Get_Main_Name
);
1728 if Command_Line_Args_On_Target
then
1729 Write_Statement_Buffer
;
1730 WBI
(" (argc : Integer;");
1731 WBI
(" argv : System.Address;");
1732 WBI
(" envp : System.Address)");
1734 if Exit_Status_Supported_On_Target
then
1735 WBI
(" return Integer");
1741 if Exit_Status_Supported_On_Target
then
1742 Set_String
(" return Integer is");
1747 Write_Statement_Buffer
;
1750 if Opt
.Default_Exit_Status
/= 0
1751 and then Bind_Main_Program
1752 and then not Configurable_Run_Time_Mode
1754 WBI
(" procedure Set_Exit_Status (Status : Integer);");
1755 WBI
(" pragma Import (C, Set_Exit_Status, " &
1756 """__gnat_set_exit_status"");");
1760 -- Initialize and Finalize
1762 if not CodePeer_Mode
1763 and then not Cumulative_Restrictions
.Set
(No_Finalization
)
1765 WBI
(" procedure Initialize (Addr : System.Address);");
1766 WBI
(" pragma Import (C, Initialize, ""__gnat_initialize"");");
1768 WBI
(" procedure Finalize;");
1769 WBI
(" pragma Import (C, Finalize, ""__gnat_finalize"");");
1772 -- If we want to analyze the stack, we must import corresponding symbols
1774 if Dynamic_Stack_Measurement
then
1776 WBI
(" procedure Output_Results;");
1777 WBI
(" pragma Import (C, Output_Results, " &
1778 """__gnat_stack_usage_output_results"");");
1782 "procedure Initialize_Stack_Analysis (Buffer_Size : Natural);");
1783 WBI
(" pragma Import (C, Initialize_Stack_Analysis, " &
1784 """__gnat_stack_usage_initialize"");");
1787 -- Deal with declarations for main program case
1789 if not No_Main_Subprogram
then
1790 if ALIs
.Table
(ALIs
.First
).Main_Program
= Func
then
1791 WBI
(" Result : Integer;");
1795 if Bind_Main_Program
1796 and not Suppress_Standard_Library_On_Target
1797 and not CodePeer_Mode
1799 WBI
(" SEH : aliased array (1 .. 2) of Integer;");
1804 -- Generate a reference to Ada_Main_Program_Name. This symbol is not
1805 -- referenced elsewhere in the generated program, but is needed by
1806 -- the debugger (that's why it is generated in the first place). The
1807 -- reference stops Ada_Main_Program_Name from being optimized away by
1808 -- smart linkers, such as the AiX linker.
1810 -- Because this variable is unused, we make this variable "aliased"
1811 -- with a pragma Volatile in order to tell the compiler to preserve
1812 -- this variable at any level of optimization.
1814 if Bind_Main_Program
and not CodePeer_Mode
then
1815 WBI
(" Ensure_Reference : aliased System.Address := " &
1816 "Ada_Main_Program_Name'Address;");
1817 WBI
(" pragma Volatile (Ensure_Reference);");
1823 -- Acquire command line arguments if present on target
1825 if CodePeer_Mode
then
1828 elsif Command_Line_Args_On_Target
then
1829 WBI
(" gnat_argc := argc;");
1830 WBI
(" gnat_argv := argv;");
1831 WBI
(" gnat_envp := envp;");
1834 -- If configurable run time and no command line args, then nothing needs
1835 -- to be done since the gnat_argc/argv/envp variables are suppressed in
1838 elsif Configurable_Run_Time_On_Target
then
1841 -- Otherwise set dummy values (to be filled in by some other unit?)
1844 WBI
(" gnat_argc := 0;");
1845 WBI
(" gnat_argv := System.Null_Address;");
1846 WBI
(" gnat_envp := System.Null_Address;");
1849 if Opt
.Default_Exit_Status
/= 0
1850 and then Bind_Main_Program
1851 and then not Configurable_Run_Time_Mode
1853 Set_String
(" Set_Exit_Status (");
1854 Set_Int
(Opt
.Default_Exit_Status
);
1856 Write_Statement_Buffer
;
1859 if Dynamic_Stack_Measurement
then
1860 Set_String
(" Initialize_Stack_Analysis (");
1861 Set_Int
(Dynamic_Stack_Measurement_Array_Size
);
1863 Write_Statement_Buffer
;
1866 if not Cumulative_Restrictions
.Set
(No_Finalization
)
1867 and then not CodePeer_Mode
1869 if not No_Main_Subprogram
1870 and then Bind_Main_Program
1871 and then not Suppress_Standard_Library_On_Target
1873 WBI
(" Initialize (SEH'Address);");
1875 WBI
(" Initialize (System.Null_Address);");
1879 WBI
(" " & Ada_Init_Name
.all & ";");
1881 if not No_Main_Subprogram
then
1882 if CodePeer_Mode
then
1883 if ALIs
.Table
(ALIs
.First
).Main_Program
= Proc
then
1884 WBI
(" " & CodePeer_Wrapper_Name
& ";");
1886 WBI
(" Result := " & CodePeer_Wrapper_Name
& ";");
1889 elsif ALIs
.Table
(ALIs
.First
).Main_Program
= Proc
then
1890 WBI
(" Ada_Main_Program;");
1893 WBI
(" Result := Ada_Main_Program;");
1897 -- Adafinal call is skipped if no finalization
1899 if not Cumulative_Restrictions
.Set
(No_Finalization
) then
1903 -- Prints the result of static stack analysis
1905 if Dynamic_Stack_Measurement
then
1906 WBI
(" Output_Results;");
1909 -- Finalize is only called if we have a run time
1911 if not Cumulative_Restrictions
.Set
(No_Finalization
)
1912 and then not CodePeer_Mode
1919 if Exit_Status_Supported_On_Target
then
1920 if No_Main_Subprogram
1921 or else ALIs
.Table
(ALIs
.First
).Main_Program
= Proc
1923 WBI
(" return (gnat_exit_status);");
1925 WBI
(" return (Result);");
1933 ------------------------------
1934 -- Gen_Object_Files_Options --
1935 ------------------------------
1937 procedure Gen_Object_Files_Options
(Elab_Order
: Unit_Id_Array
) is
1939 -- This keeps track of the position in the sorted set of entries in the
1940 -- Linker_Options table of where the first entry from an internal file
1943 Linker_Option_List_Started
: Boolean := False;
1944 -- Set to True when "LINKER OPTION LIST" is displayed
1946 procedure Write_Linker_Option
;
1947 -- Write binder info linker option
1949 -------------------------
1950 -- Write_Linker_Option --
1951 -------------------------
1953 procedure Write_Linker_Option
is
1958 -- Loop through string, breaking at null's
1961 while Start
< Name_Len
loop
1963 -- Find null ending this section
1966 while Name_Buffer
(Stop
) /= ASCII
.NUL
1967 and then Stop
<= Name_Len
loop
1971 -- Process section if non-null
1973 if Stop
> Start
then
1974 if Output_Linker_Option_List
then
1975 if not Zero_Formatting
then
1976 if not Linker_Option_List_Started
then
1977 Linker_Option_List_Started
:= True;
1979 Write_Str
(" LINKER OPTION LIST");
1987 Write_Str
(Name_Buffer
(Start
.. Stop
- 1));
1990 WBI
(" -- " & Name_Buffer
(Start
.. Stop
- 1));
1995 end Write_Linker_Option
;
1997 -- Start of processing for Gen_Object_Files_Options
2000 WBI
("-- BEGIN Object file/option list");
2002 if Object_List_Filename
/= null then
2003 Set_List_File
(Object_List_Filename
.all);
2006 for E
in Elab_Order
'Range loop
2008 -- If not spec that has an associated body, then generate a comment
2009 -- giving the name of the corresponding object file.
2011 if not Units
.Table
(Elab_Order
(E
)).SAL_Interface
2012 and then Units
.Table
(Elab_Order
(E
)).Utype
/= Is_Spec
2016 (Units
.Table
(Elab_Order
(E
)).My_ALI
).Ofile_Full_Name
);
2018 -- If the presence of an object file is necessary or if it exists,
2021 if not Hostparm
.Exclude_Missing_Objects
2023 System
.OS_Lib
.Is_Regular_File
(Name_Buffer
(1 .. Name_Len
))
2025 WBI
(" -- " & Name_Buffer
(1 .. Name_Len
));
2027 if Output_Object_List
then
2028 Write_Str
(Name_Buffer
(1 .. Name_Len
));
2035 if Object_List_Filename
/= null then
2039 -- Add a "-Ldir" for each directory in the object path
2041 for J
in 1 .. Nb_Dir_In_Obj_Search_Path
loop
2043 Dir
: constant String_Ptr
:= Dir_In_Obj_Search_Path
(J
);
2047 Add_Str_To_Name_Buffer
("-L");
2048 Add_Str_To_Name_Buffer
(Dir
.all);
2049 Write_Linker_Option
;
2053 if not (Opt
.No_Run_Time_Mode
or Opt
.No_Stdlib
) then
2056 if Opt
.Shared_Libgnat
then
2057 Add_Str_To_Name_Buffer
("-shared");
2059 Add_Str_To_Name_Buffer
("-static");
2062 -- Write directly to avoid inclusion in -K output as -static and
2063 -- -shared are not usually specified linker options.
2065 WBI
(" -- " & Name_Buffer
(1 .. Name_Len
));
2068 -- Sort linker options
2070 -- This sort accomplishes two important purposes:
2072 -- a) All application files are sorted to the front, and all GNAT
2073 -- internal files are sorted to the end. This results in a well
2074 -- defined dividing line between the two sets of files, for the
2075 -- purpose of inserting certain standard library references into
2076 -- the linker arguments list.
2078 -- b) Given two different units, we sort the linker options so that
2079 -- those from a unit earlier in the elaboration order comes later
2080 -- in the list. This is a heuristic designed to create a more
2081 -- friendly order of linker options when the operations appear in
2082 -- separate units. The idea is that if unit A must be elaborated
2083 -- before unit B, then it is more likely that B references
2084 -- libraries included by A, than vice versa, so we want libraries
2085 -- included by A to come after libraries included by B.
2087 -- These two criteria are implemented by function Lt_Linker_Option. Note
2088 -- that a special case of b) is that specs are elaborated before bodies,
2089 -- so linker options from specs come after linker options for bodies,
2090 -- and again, the assumption is that libraries used by the body are more
2091 -- likely to reference libraries used by the spec, than vice versa.
2094 (Linker_Options
.Last
,
2095 Move_Linker_Option
'Access,
2096 Lt_Linker_Option
'Access);
2098 -- Write user linker options, i.e. the set of linker options that come
2099 -- from all files other than GNAT internal files, Lgnat is left set to
2100 -- point to the first entry from a GNAT internal file, or past the end
2101 -- of the entries if there are no internal files.
2103 Lgnat
:= Linker_Options
.Last
+ 1;
2105 for J
in 1 .. Linker_Options
.Last
loop
2106 if not Linker_Options
.Table
(J
).Internal_File
then
2107 Get_Name_String
(Linker_Options
.Table
(J
).Name
);
2108 Write_Linker_Option
;
2115 -- Now we insert standard linker options that must appear after the
2116 -- entries from user files, and before the entries from GNAT run-time
2117 -- files. The reason for this decision is that libraries referenced
2118 -- by internal routines may reference these standard library entries.
2120 -- Note that we do not insert anything when pragma No_Run_Time has
2121 -- been specified or when the standard libraries are not to be used,
2122 -- otherwise on some platforms, we may get duplicate symbols when
2123 -- linking (not clear if this is still the case, but it is harmless).
2125 if not (Opt
.No_Run_Time_Mode
or else Opt
.No_Stdlib
) then
2129 if Opt
.Shared_Libgnat
then
2130 Add_Str_To_Name_Buffer
(Shared_Lib
("gnarl"));
2132 Add_Str_To_Name_Buffer
("-lgnarl");
2135 Write_Linker_Option
;
2140 if Opt
.Shared_Libgnat
then
2141 Add_Str_To_Name_Buffer
(Shared_Lib
("gnat"));
2143 Add_Str_To_Name_Buffer
("-lgnat");
2146 Write_Linker_Option
;
2149 -- Write linker options from all internal files
2151 for J
in Lgnat
.. Linker_Options
.Last
loop
2152 Get_Name_String
(Linker_Options
.Table
(J
).Name
);
2153 Write_Linker_Option
;
2156 if Output_Linker_Option_List
and then not Zero_Formatting
then
2160 WBI
("-- END Object file/option list ");
2161 end Gen_Object_Files_Options
;
2163 ---------------------
2164 -- Gen_Output_File --
2165 ---------------------
2167 procedure Gen_Output_File
2169 Elab_Order
: Unit_Id_Array
)
2172 -- Acquire settings for Interrupt_State pragmas
2174 Set_IS_Pragma_Table
;
2176 -- Acquire settings for Priority_Specific_Dispatching pragma
2178 Set_PSD_Pragma_Table
;
2180 -- Override time slice value if -T switch is set
2182 if Time_Slice_Set
then
2183 ALIs
.Table
(ALIs
.First
).Time_Slice_Value
:= Opt
.Time_Slice_Value
;
2186 -- Count number of elaboration calls
2188 for E
in Elab_Order
'Range loop
2189 if Units
.Table
(Elab_Order
(E
)).No_Elab
then
2192 Num_Elab_Calls
:= Num_Elab_Calls
+ 1;
2196 -- Count the number of statically allocated stacks to be generated by
2197 -- the binder. If the user has specified the number of default-sized
2198 -- secondary stacks, use that number. Otherwise start the count at one
2199 -- as the binder is responsible for creating a secondary stack for the
2202 if Opt
.Quantity_Of_Default_Size_Sec_Stacks
/= -1 then
2203 Num_Sec_Stacks
:= Quantity_Of_Default_Size_Sec_Stacks
;
2204 elsif Sec_Stack_Used
then
2205 Num_Sec_Stacks
:= 1;
2208 for J
in Units
.First
.. Units
.Last
loop
2209 Num_Primary_Stacks
:=
2210 Num_Primary_Stacks
+ Units
.Table
(J
).Primary_Stack_Count
;
2213 Num_Sec_Stacks
+ Units
.Table
(J
).Sec_Stack_Count
;
2216 -- Generate output file in appropriate language
2218 Gen_Output_File_Ada
(Filename
, Elab_Order
);
2219 end Gen_Output_File
;
2221 -------------------------
2222 -- Gen_Output_File_Ada --
2223 -------------------------
2225 procedure Gen_Output_File_Ada
2226 (Filename
: String; Elab_Order
: Unit_Id_Array
)
2228 Ada_Main
: constant String := Get_Ada_Main_Name
;
2229 -- Name to be used for generated Ada main program. See the body of
2230 -- function Get_Ada_Main_Name for details on the form of the name.
2232 Needs_Library_Finalization
: constant Boolean :=
2233 not Configurable_Run_Time_On_Target
2234 and then Has_Finalizer
(Elab_Order
);
2235 -- For restricted run-time libraries (ZFP and Ravenscar) tasks are
2236 -- non-terminating, so we do not want finalization.
2239 -- Name of generated bind file (spec)
2242 -- Name of generated bind file (body)
2245 -- Create spec first
2247 Create_Binder_Output
(Filename
, 's', Bfiles
);
2249 -- We always compile the binder file in Ada 95 mode so that we properly
2250 -- handle use of Ada 2005 keywords as identifiers in Ada 95 mode. None
2251 -- of the Ada 2005 or Ada 2012 constructs are needed by the binder file.
2253 WBI
("pragma Warnings (Off);");
2254 WBI
("pragma Ada_95;");
2256 -- If we are operating in Restrictions (No_Exception_Handlers) mode,
2257 -- then we need to make sure that the binder program is compiled with
2258 -- the same restriction, so that no exception tables are generated.
2260 if Cumulative_Restrictions
.Set
(No_Exception_Handlers
) then
2261 WBI
("pragma Restrictions (No_Exception_Handlers);");
2264 -- Same processing for Restrictions (No_Exception_Propagation)
2266 if Cumulative_Restrictions
.Set
(No_Exception_Propagation
) then
2267 WBI
("pragma Restrictions (No_Exception_Propagation);");
2270 -- Same processing for pragma No_Run_Time
2272 if No_Run_Time_Mode
then
2273 WBI
("pragma No_Run_Time;");
2276 -- Generate with of System so we can reference System.Address
2278 WBI
("with System;");
2280 -- Generate with of System.Initialize_Scalars if active
2282 if Initialize_Scalars_Used
then
2283 WBI
("with System.Scalar_Values;");
2286 -- Generate withs of System.Secondary_Stack and System.Parameters to
2287 -- allow the generation of the default-sized secondary stack pool.
2289 if Sec_Stack_Used
then
2290 WBI
("with System.Parameters;");
2291 WBI
("with System.Secondary_Stack;");
2294 Resolve_Binder_Options
(Elab_Order
);
2296 -- Generate standard with's
2298 if not Suppress_Standard_Library_On_Target
then
2299 if CodePeer_Mode
then
2300 WBI
("with System.Standard_Library;");
2304 WBI
("package " & Ada_Main
& " is");
2306 -- Main program case
2308 if Bind_Main_Program
then
2309 -- Generate argc/argv stuff unless suppressed
2311 if Command_Line_Args_On_Target
2312 or not Configurable_Run_Time_On_Target
2315 WBI
(" gnat_argc : Integer;");
2316 WBI
(" gnat_argv : System.Address;");
2317 WBI
(" gnat_envp : System.Address;");
2319 -- If the standard library is not suppressed, these variables
2320 -- are in the run-time data area for easy run time access.
2322 if not Suppress_Standard_Library_On_Target
then
2324 WBI
(" pragma Import (C, gnat_argc);");
2325 WBI
(" pragma Import (C, gnat_argv);");
2326 WBI
(" pragma Import (C, gnat_envp);");
2330 -- Define exit status. Again in normal mode, this is in the run-time
2331 -- library, and is initialized there, but in the configurable
2332 -- run-time case, the variable is declared and initialized in this
2337 if Configurable_Run_Time_Mode
then
2338 if Exit_Status_Supported_On_Target
then
2339 WBI
(" gnat_exit_status : Integer := 0;");
2343 WBI
(" gnat_exit_status : Integer;");
2344 WBI
(" pragma Import (C, gnat_exit_status);");
2347 -- Generate the GNAT_Version and Ada_Main_Program_Name info only for
2348 -- the main program. Otherwise, it can lead under some circumstances
2349 -- to a symbol duplication during the link (for instance when a C
2350 -- program uses two Ada libraries). Also zero terminate the string
2351 -- so that its end can be found reliably at run time.
2354 WBI
(" GNAT_Version : constant String :=");
2355 WBI
(" """ & Ver_Prefix
&
2356 Gnat_Version_String
&
2358 WBI
(" pragma Export (C, GNAT_Version, ""__gnat_version"");");
2361 Set_String
(" Ada_Main_Program_Name : constant String := """);
2362 Get_Name_String
(Units
.Table
(First_Unit_Entry
).Uname
);
2364 Set_Main_Program_Name
;
2365 Set_String
(""" & ASCII.NUL;");
2367 Write_Statement_Buffer
;
2370 (" pragma Export (C, Ada_Main_Program_Name, " &
2371 """__gnat_ada_main_program_name"");");
2375 WBI
(" procedure " & Ada_Init_Name
.all & ";");
2376 WBI
(" pragma Export (C, " & Ada_Init_Name
.all & ", """ &
2377 Ada_Init_Name
.all & """);");
2379 -- If -a has been specified use pragma Linker_Constructor for the init
2380 -- procedure and pragma Linker_Destructor for the final procedure.
2382 if Use_Pragma_Linker_Constructor
then
2383 WBI
(" pragma Linker_Constructor (" & Ada_Init_Name
.all & ");");
2386 if not Cumulative_Restrictions
.Set
(No_Finalization
) then
2388 WBI
(" procedure " & Ada_Final_Name
.all & ";");
2389 WBI
(" pragma Export (C, " & Ada_Final_Name
.all & ", """ &
2390 Ada_Final_Name
.all & """);");
2392 if Use_Pragma_Linker_Constructor
then
2393 WBI
(" pragma Linker_Destructor (" & Ada_Final_Name
.all & ");");
2397 if Bind_Main_Program
then
2401 if Exit_Status_Supported_On_Target
then
2402 Set_String
(" function ");
2404 Set_String
(" procedure ");
2407 Set_String
(Get_Main_Name
);
2409 -- Generate argument list if present
2411 if Command_Line_Args_On_Target
then
2412 Write_Statement_Buffer
;
2413 WBI
(" (argc : Integer;");
2414 WBI
(" argv : System.Address;");
2416 (" envp : System.Address)");
2418 if Exit_Status_Supported_On_Target
then
2419 Write_Statement_Buffer
;
2420 WBI
(" return Integer;");
2422 Write_Statement_Buffer
(";");
2426 if Exit_Status_Supported_On_Target
then
2427 Write_Statement_Buffer
(" return Integer;");
2429 Write_Statement_Buffer
(";");
2433 WBI
(" pragma Export (C, " & Get_Main_Name
& ", """ &
2434 Get_Main_Name
& """);");
2437 -- Generate version numbers for units, only if needed. Be very safe on
2440 if not Configurable_Run_Time_On_Target
2441 or else System_Version_Control_Used
2442 or else not Bind_Main_Program
2447 Gen_Elab_Order
(Elab_Order
);
2452 WBI
("end " & Ada_Main
& ";");
2453 Close_Binder_Output
;
2455 -- Prepare to write body
2457 Create_Binder_Output
(Filename
, 'b', Bfileb
);
2459 -- We always compile the binder file in Ada 95 mode so that we properly
2460 -- handle use of Ada 2005 keywords as identifiers in Ada 95 mode. None
2461 -- of the Ada 2005/2012 constructs are needed by the binder file.
2463 WBI
("pragma Warnings (Off);");
2464 WBI
("pragma Ada_95;");
2466 -- Output Source_File_Name pragmas which look like
2468 -- pragma Source_File_Name (Ada_Main, Spec_File_Name => "sss");
2469 -- pragma Source_File_Name (Ada_Main, Body_File_Name => "bbb");
2471 -- where sss/bbb are the spec/body file names respectively
2473 Get_Name_String
(Bfiles
);
2474 Name_Buffer
(Name_Len
+ 1 .. Name_Len
+ 3) := """);";
2476 WBI
("pragma Source_File_Name (" &
2478 ", Spec_File_Name => """ &
2479 Name_Buffer
(1 .. Name_Len
+ 3));
2481 Get_Name_String
(Bfileb
);
2482 Name_Buffer
(Name_Len
+ 1 .. Name_Len
+ 3) := """);";
2484 WBI
("pragma Source_File_Name (" &
2486 ", Body_File_Name => """ &
2487 Name_Buffer
(1 .. Name_Len
+ 3));
2489 -- Generate pragma Suppress (Overflow_Check). This is needed for recent
2490 -- versions of the compiler which have overflow checks on by default.
2491 -- We do not want overflow checking enabled for the increments of the
2492 -- elaboration variables (since this can cause an unwanted reference to
2493 -- the last chance exception handler for limited run-times).
2495 WBI
("pragma Suppress (Overflow_Check);");
2497 -- Generate with of System.Restrictions to initialize
2498 -- Run_Time_Restrictions.
2500 if System_Restrictions_Used
2501 and not Suppress_Standard_Library_On_Target
2504 WBI
("with System.Restrictions;");
2507 -- Generate with of Ada.Exceptions if needs library finalization
2509 if Needs_Library_Finalization
then
2510 WBI
("with Ada.Exceptions;");
2513 -- Generate with of System.Elaboration_Allocators if the restriction
2514 -- No_Standard_Allocators_After_Elaboration was present.
2516 if Cumulative_Restrictions
.Set
2517 (No_Standard_Allocators_After_Elaboration
)
2519 WBI
("with System.Elaboration_Allocators;");
2522 -- Generate start of package body
2525 WBI
("package body " & Ada_Main
& " is");
2528 -- Generate externals for elaboration entities
2530 Gen_Elab_Externals
(Elab_Order
);
2532 -- Generate default-sized secondary stacks pool. At least one stack is
2533 -- created and assigned to the environment task if secondary stacks are
2534 -- used by the program.
2536 if Sec_Stack_Used
then
2537 Set_String
(" Sec_Default_Sized_Stacks");
2538 Set_String
(" : array (1 .. ");
2539 Set_Int
(Num_Sec_Stacks
);
2540 Set_String
(") of aliased System.Secondary_Stack.SS_Stack (");
2542 if Opt
.Default_Sec_Stack_Size
/= No_Stack_Size
then
2543 Set_Int
(Opt
.Default_Sec_Stack_Size
);
2545 Set_String
("System.Parameters.Runtime_Default_Sec_Stack_Size");
2549 Write_Statement_Buffer
;
2553 -- Generate reference
2555 if not CodePeer_Mode
then
2556 if not Suppress_Standard_Library_On_Target
then
2558 -- Generate Priority_Specific_Dispatching pragma string
2561 (" Local_Priority_Specific_Dispatching : " &
2562 "constant String := """);
2564 for J
in 0 .. PSD_Pragma_Settings
.Last
loop
2565 Set_Char
(PSD_Pragma_Settings
.Table
(J
));
2569 Write_Statement_Buffer
;
2571 -- Generate Interrupt_State pragma string
2573 Set_String
(" Local_Interrupt_States : constant String := """);
2575 for J
in 0 .. IS_Pragma_Settings
.Last
loop
2576 Set_Char
(IS_Pragma_Settings
.Table
(J
));
2580 Write_Statement_Buffer
;
2584 if not Suppress_Standard_Library_On_Target
then
2586 -- The B.1(39) implementation advice says that the adainit and
2587 -- adafinal routines should be idempotent. Generate a flag to
2588 -- ensure that. This is not needed if we are suppressing the
2589 -- standard library since it would never be referenced.
2591 WBI
(" Is_Elaborated : Boolean := False;");
2593 -- Generate bind environment string
2595 Gen_Bind_Env_String
;
2601 -- Generate the adafinal routine unless there is no finalization to do
2603 if not Cumulative_Restrictions
.Set
(No_Finalization
) then
2604 if Needs_Library_Finalization
then
2605 Gen_Finalize_Library
(Elab_Order
);
2611 Gen_Adainit
(Elab_Order
);
2613 if Bind_Main_Program
then
2617 -- Output object file list and the Ada body is complete
2619 Gen_Object_Files_Options
(Elab_Order
);
2622 WBI
("end " & Ada_Main
& ";");
2624 Close_Binder_Output
;
2625 end Gen_Output_File_Ada
;
2627 ----------------------
2628 -- Gen_Restrictions --
2629 ----------------------
2631 procedure Gen_Restrictions
is
2635 if Suppress_Standard_Library_On_Target
2636 or not System_Restrictions_Used
2641 WBI
(" System.Restrictions.Run_Time_Restrictions :=");
2647 for J
in Cumulative_Restrictions
.Set
'Range loop
2648 Set_Boolean
(Cumulative_Restrictions
.Set
(J
));
2652 if J
/= Cumulative_Restrictions
.Set
'Last and then Count
= 8 then
2653 Write_Statement_Buffer
;
2659 Set_String_Replace
("),");
2660 Write_Statement_Buffer
;
2661 Set_String
(" Value => (");
2663 for J
in Cumulative_Restrictions
.Value
'Range loop
2664 Set_Int
(Int
(Cumulative_Restrictions
.Value
(J
)));
2668 Set_String_Replace
("),");
2669 Write_Statement_Buffer
;
2670 WBI
(" Violated =>");
2674 for J
in Cumulative_Restrictions
.Violated
'Range loop
2675 Set_Boolean
(Cumulative_Restrictions
.Violated
(J
));
2679 if J
/= Cumulative_Restrictions
.Set
'Last and then Count
= 8 then
2680 Write_Statement_Buffer
;
2686 Set_String_Replace
("),");
2687 Write_Statement_Buffer
;
2688 Set_String
(" Count => (");
2690 for J
in Cumulative_Restrictions
.Count
'Range loop
2691 Set_Int
(Int
(Cumulative_Restrictions
.Count
(J
)));
2695 Set_String_Replace
("),");
2696 Write_Statement_Buffer
;
2697 Set_String
(" Unknown => (");
2699 for J
in Cumulative_Restrictions
.Unknown
'Range loop
2700 Set_Boolean
(Cumulative_Restrictions
.Unknown
(J
));
2704 Set_String_Replace
("))");
2706 Write_Statement_Buffer
;
2707 end Gen_Restrictions
;
2713 -- This routine generates lines such as:
2715 -- unnnnn : constant Integer := 16#hhhhhhhh#;
2716 -- pragma Export (C, unnnnn, unam);
2718 -- for each unit, where unam is the unit name suffixed by either B or S for
2719 -- body or spec, with dots replaced by double underscores, and hhhhhhhh is
2720 -- the version number, and nnnnn is a 5-digits serial number.
2722 procedure Gen_Versions
is
2723 Ubuf
: String (1 .. 6) := "u00000";
2725 procedure Increment_Ubuf
;
2726 -- Little procedure to increment the serial number
2728 --------------------
2729 -- Increment_Ubuf --
2730 --------------------
2732 procedure Increment_Ubuf
is
2734 for J
in reverse Ubuf
'Range loop
2735 Ubuf
(J
) := Character'Succ (Ubuf
(J
));
2736 exit when Ubuf
(J
) <= '9';
2741 -- Start of processing for Gen_Versions
2746 WBI
(" type Version_32 is mod 2 ** 32;");
2747 for U
in Units
.First
.. Units
.Last
loop
2748 if not Units
.Table
(U
).SAL_Interface
2749 and then (not Bind_For_Library
2750 or else Units
.Table
(U
).Directly_Scanned
)
2753 WBI
(" " & Ubuf
& " : constant Version_32 := 16#" &
2754 Units
.Table
(U
).Version
& "#;");
2755 Set_String
(" pragma Export (C, ");
2757 Set_String
(", """);
2759 Get_Name_String
(Units
.Table
(U
).Uname
);
2761 for K
in 1 .. Name_Len
loop
2762 if Name_Buffer
(K
) = '.' then
2766 elsif Name_Buffer
(K
) = '%' then
2770 Set_Char
(Name_Buffer
(K
));
2774 if Name_Buffer
(Name_Len
) = 's' then
2780 Set_String
(""");");
2781 Write_Statement_Buffer
;
2786 ------------------------
2787 -- Get_Main_Unit_Name --
2788 ------------------------
2790 function Get_Main_Unit_Name
(S
: String) return String is
2791 Result
: String := S
;
2794 for J
in S
'Range loop
2795 if Result
(J
) = '.' then
2801 end Get_Main_Unit_Name
;
2803 -----------------------
2804 -- Get_Ada_Main_Name --
2805 -----------------------
2807 function Get_Ada_Main_Name
return String is
2808 Suffix
: constant String := "_00";
2809 Name
: String (1 .. Opt
.Ada_Main_Name
.all'Length + Suffix
'Length) :=
2810 Opt
.Ada_Main_Name
.all & Suffix
;
2814 -- For CodePeer, we want reproducible names (independent of other mains
2815 -- that may or may not be present) that don't collide when analyzing
2816 -- multiple mains and which are easily recognizable as "ada_main" names.
2818 if CodePeer_Mode
then
2819 Get_Name_String
(Units
.Table
(First_Unit_Entry
).Uname
);
2823 Get_Main_Unit_Name
(Name_Buffer
(1 .. Name_Len
- 2));
2826 -- This loop tries the following possibilities in order
2832 -- where <Ada_Main> is equal to Opt.Ada_Main_Name. By default,
2833 -- it is set to 'ada_main'.
2835 for J
in 0 .. 99 loop
2837 Nlen
:= Name
'Length - Suffix
'Length;
2839 Nlen
:= Name
'Length;
2840 Name
(Name
'Last) := Character'Val (J
mod 10 + Character'Pos ('0'));
2841 Name
(Name
'Last - 1) :=
2842 Character'Val (J
/ 10 + Character'Pos ('0'));
2845 for K
in ALIs
.First
.. ALIs
.Last
loop
2846 for L
in ALIs
.Table
(K
).First_Unit
.. ALIs
.Table
(K
).Last_Unit
loop
2848 -- Get unit name, removing %b or %e at end
2850 Get_Name_String
(Units
.Table
(L
).Uname
);
2851 Name_Len
:= Name_Len
- 2;
2853 if Name_Buffer
(1 .. Name_Len
) = Name
(1 .. Nlen
) then
2859 return Name
(1 .. Nlen
);
2865 -- If we fall through, just use a peculiar unlikely name
2867 return ("Qwertyuiop");
2868 end Get_Ada_Main_Name
;
2874 function Get_Main_Name
return String is
2876 -- Explicit name given with -M switch
2878 if Bind_Alternate_Main_Name
then
2879 return Alternate_Main_Name
.all;
2881 -- Case of main program name to be used directly
2883 elsif Use_Ada_Main_Program_Name_On_Target
then
2885 -- Get main program name
2887 Get_Name_String
(Units
.Table
(First_Unit_Entry
).Uname
);
2889 -- If this is a child name, return only the name of the child, since
2890 -- we can't have dots in a nested program name. Note that we do not
2891 -- include the %b at the end of the unit name.
2893 for J
in reverse 1 .. Name_Len
- 2 loop
2894 if J
= 1 or else Name_Buffer
(J
- 1) = '.' then
2895 return Name_Buffer
(J
.. Name_Len
- 2);
2899 raise Program_Error
; -- impossible exit
2901 -- Case where "main" is to be used as default
2908 ---------------------
2909 -- Get_WC_Encoding --
2910 ---------------------
2912 function Get_WC_Encoding
return Character is
2914 -- If encoding method specified by -W switch, then return it
2916 if Wide_Character_Encoding_Method_Specified
then
2917 return WC_Encoding_Letters
(Wide_Character_Encoding_Method
);
2919 -- If no main program, and not specified, set brackets, we really have
2920 -- no better choice. If some other encoding is required when there is
2921 -- no main, it must be set explicitly using -Wx.
2923 -- Note: if the ALI file always passed the wide character encoding of
2924 -- every file, then we could use the encoding of the initial specified
2925 -- file, but this information is passed only for potential main
2926 -- programs. We could fix this sometime, but it is a very minor point
2927 -- (wide character default encoding for [Wide_[Wide_]]Text_IO when there
2928 -- is no main program).
2930 elsif No_Main_Subprogram
then
2933 -- Otherwise if there is a main program, take encoding from it
2936 return ALIs
.Table
(ALIs
.First
).WC_Encoding
;
2938 end Get_WC_Encoding
;
2944 function Has_Finalizer
(Elab_Order
: Unit_Id_Array
) return Boolean is
2949 for E
in reverse Elab_Order
'Range loop
2950 Unum
:= Elab_Order
(E
);
2951 U
:= Units
.Table
(Unum
);
2953 -- We are only interested in non-generic packages
2955 if U
.Unit_Kind
= 'p'
2956 and then U
.Has_Finalizer
2957 and then not U
.Is_Generic
2958 and then not U
.No_Elab
2971 function Hash
(Nam
: Name_Id
) return Header_Num
is
2973 return Int
(Nam
- Names_Low_Bound
) rem Header_Num
'Last;
2976 ----------------------
2977 -- Lt_Linker_Option --
2978 ----------------------
2980 function Lt_Linker_Option
(Op1
: Natural; Op2
: Natural) return Boolean is
2982 -- Sort internal files last
2984 if Linker_Options
.Table
(Op1
).Internal_File
2986 Linker_Options
.Table
(Op2
).Internal_File
2988 -- Note: following test uses False < True
2990 return Linker_Options
.Table
(Op1
).Internal_File
2992 Linker_Options
.Table
(Op2
).Internal_File
;
2994 -- If both internal or both non-internal, sort according to the
2995 -- elaboration position. A unit that is elaborated later should come
2996 -- earlier in the linker options list.
2999 return Units
.Table
(Linker_Options
.Table
(Op1
).Unit
).Elab_Position
3001 Units
.Table
(Linker_Options
.Table
(Op2
).Unit
).Elab_Position
;
3003 end Lt_Linker_Option
;
3005 ------------------------
3006 -- Move_Linker_Option --
3007 ------------------------
3009 procedure Move_Linker_Option
(From
: Natural; To
: Natural) is
3011 Linker_Options
.Table
(To
) := Linker_Options
.Table
(From
);
3012 end Move_Linker_Option
;
3014 ----------------------------
3015 -- Resolve_Binder_Options --
3016 ----------------------------
3018 procedure Resolve_Binder_Options
(Elab_Order
: Unit_Id_Array
) is
3019 procedure Check_Package
(Var
: in out Boolean; Name
: String);
3020 -- Set Var to true iff the current identifier in Namet is Name. Do
3021 -- nothing if it doesn't match. This procedure is just a helper to
3022 -- avoid explicitly dealing with length.
3028 procedure Check_Package
(Var
: in out Boolean; Name
: String) is
3030 if Name_Len
= Name
'Length
3031 and then Name_Buffer
(1 .. Name_Len
) = Name
3037 -- Start of processing for Resolve_Binder_Options
3040 for E
in Elab_Order
'Range loop
3041 Get_Name_String
(Units
.Table
(Elab_Order
(E
)).Uname
);
3043 -- This is not a perfect approach, but is the current protocol
3044 -- between the run-time and the binder to indicate that tasking is
3045 -- used: System.OS_Interface should always be used by any tasking
3048 Check_Package
(With_GNARL
, "system.os_interface%s");
3050 -- Ditto for the use of restricted tasking
3053 (System_Tasking_Restricted_Stages_Used
,
3054 "system.tasking.restricted.stages%s");
3056 -- Ditto for the use of interrupts
3058 Check_Package
(System_Interrupts_Used
, "system.interrupts%s");
3060 -- Ditto for the use of dispatching domains
3063 (Dispatching_Domains_Used
,
3064 "system.multiprocessors.dispatching_domains%s");
3066 -- Ditto for the use of restrictions
3068 Check_Package
(System_Restrictions_Used
, "system.restrictions%s");
3070 -- Ditto for the use of System.Secondary_Stack
3073 (System_Secondary_Stack_Used
, "system.secondary_stack%s");
3075 -- Ditto for use of an SMP bareboard runtime
3077 Check_Package
(System_BB_CPU_Primitives_Multiprocessors_Used
,
3078 "system.bb.cpu_primitives.multiprocessors%s");
3080 -- Ditto for System.Version_Control, which is used for Version and
3081 -- Body_Version attributes.
3083 Check_Package
(System_Version_Control_Used
,
3084 "system.version_control%s");
3086 end Resolve_Binder_Options
;
3092 procedure Set_Bind_Env
(Key
, Value
: String) is
3094 -- The lengths of Key and Value are stored as single bytes
3096 if Key
'Length > 255 then
3097 Osint
.Fail
("bind environment key """ & Key
& """ too long");
3100 if Value
'Length > 255 then
3101 Osint
.Fail
("bind environment value """ & Value
& """ too long");
3104 Bind_Environment
.Set
(Name_Find
(Key
), Name_Find
(Value
));
3111 procedure Set_Boolean
(B
: Boolean) is
3112 False_Str
: constant String := "False";
3113 True_Str
: constant String := "True";
3117 Statement_Buffer
(Stm_Last
+ 1 .. Stm_Last
+ True_Str
'Length) :=
3119 Stm_Last
:= Stm_Last
+ True_Str
'Length;
3121 Statement_Buffer
(Stm_Last
+ 1 .. Stm_Last
+ False_Str
'Length) :=
3123 Stm_Last
:= Stm_Last
+ False_Str
'Length;
3131 procedure Set_Char
(C
: Character) is
3133 Stm_Last
:= Stm_Last
+ 1;
3134 Statement_Buffer
(Stm_Last
) := C
;
3141 procedure Set_Int
(N
: Int
) is
3152 Stm_Last
:= Stm_Last
+ 1;
3153 Statement_Buffer
(Stm_Last
) :=
3154 Character'Val (N
mod 10 + Character'Pos ('0'));
3158 -------------------------
3159 -- Set_IS_Pragma_Table --
3160 -------------------------
3162 procedure Set_IS_Pragma_Table
is
3164 for F
in ALIs
.First
.. ALIs
.Last
loop
3165 for K
in ALIs
.Table
(F
).First_Interrupt_State
..
3166 ALIs
.Table
(F
).Last_Interrupt_State
3169 Inum
: constant Int
:=
3170 Interrupt_States
.Table
(K
).Interrupt_Id
;
3171 Stat
: constant Character :=
3172 Interrupt_States
.Table
(K
).Interrupt_State
;
3175 while IS_Pragma_Settings
.Last
< Inum
loop
3176 IS_Pragma_Settings
.Append
('n');
3179 IS_Pragma_Settings
.Table
(Inum
) := Stat
;
3183 end Set_IS_Pragma_Table
;
3185 ---------------------------
3186 -- Set_Main_Program_Name --
3187 ---------------------------
3189 procedure Set_Main_Program_Name
is
3191 -- Note that name has %b on the end which we ignore
3193 -- First we output the initial _ada_ since we know that the main program
3194 -- is a library level subprogram.
3196 Set_String
("_ada_");
3198 -- Copy name, changing dots to double underscores
3200 for J
in 1 .. Name_Len
- 2 loop
3201 if Name_Buffer
(J
) = '.' then
3204 Set_Char
(Name_Buffer
(J
));
3207 end Set_Main_Program_Name
;
3209 ---------------------
3210 -- Set_Name_Buffer --
3211 ---------------------
3213 procedure Set_Name_Buffer
is
3215 for J
in 1 .. Name_Len
loop
3216 Set_Char
(Name_Buffer
(J
));
3218 end Set_Name_Buffer
;
3220 -------------------------
3221 -- Set_PSD_Pragma_Table --
3222 -------------------------
3224 procedure Set_PSD_Pragma_Table
is
3226 for F
in ALIs
.First
.. ALIs
.Last
loop
3227 for K
in ALIs
.Table
(F
).First_Specific_Dispatching
..
3228 ALIs
.Table
(F
).Last_Specific_Dispatching
3231 DTK
: Specific_Dispatching_Record
3232 renames Specific_Dispatching
.Table
(K
);
3235 while PSD_Pragma_Settings
.Last
< DTK
.Last_Priority
loop
3236 PSD_Pragma_Settings
.Append
('F');
3239 for Prio
in DTK
.First_Priority
.. DTK
.Last_Priority
loop
3240 PSD_Pragma_Settings
.Table
(Prio
) := DTK
.Dispatching_Policy
;
3245 end Set_PSD_Pragma_Table
;
3251 procedure Set_String
(S
: String) is
3253 Statement_Buffer
(Stm_Last
+ 1 .. Stm_Last
+ S
'Length) := S
;
3254 Stm_Last
:= Stm_Last
+ S
'Length;
3257 ------------------------
3258 -- Set_String_Replace --
3259 ------------------------
3261 procedure Set_String_Replace
(S
: String) is
3263 Statement_Buffer
(Stm_Last
- S
'Length + 1 .. Stm_Last
) := S
;
3264 end Set_String_Replace
;
3270 procedure Set_Unit_Name
is
3272 for J
in 1 .. Name_Len
- 2 loop
3273 if Name_Buffer
(J
) = '.' then
3276 Set_Char
(Name_Buffer
(J
));
3281 ---------------------
3282 -- Set_Unit_Number --
3283 ---------------------
3285 procedure Set_Unit_Number
(U
: Unit_Id
) is
3286 Num_Units
: constant Nat
:= Nat
(Units
.Last
) - Nat
(Unit_Id
'First);
3287 Unum
: constant Nat
:= Nat
(U
) - Nat
(Unit_Id
'First);
3290 if Num_Units
>= 10 and then Unum
< 10 then
3294 if Num_Units
>= 100 and then Unum
< 100 then
3299 end Set_Unit_Number
;
3301 ---------------------
3302 -- Write_Bind_Line --
3303 ---------------------
3305 procedure Write_Bind_Line
(S
: String) is
3307 -- Need to strip trailing LF from S
3309 WBI
(S
(S
'First .. S
'Last - 1));
3310 end Write_Bind_Line
;
3312 ----------------------------
3313 -- Write_Statement_Buffer --
3314 ----------------------------
3316 procedure Write_Statement_Buffer
is
3318 WBI
(Statement_Buffer
(1 .. Stm_Last
));
3320 end Write_Statement_Buffer
;
3322 procedure Write_Statement_Buffer
(S
: String) is
3325 Write_Statement_Buffer
;
3326 end Write_Statement_Buffer
;