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 not spec that has an associated body, then generate a comment
+ -- giving the name of the corresponding object file.
if (not Units.Table (Elab_Order.Table (E)).SAL_Interface)
and then Units.Table (Elab_Order.Table (E)).Utype /= Is_Spec
(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 the presence of an object file is necessary or if it exists,
+ -- then use it.
if not Hostparm.Exclude_Missing_Objects
or else
(ALIs.Table
(Units.Table (Elab_Order.Table (E)).My_ALI).Sfile)
then
- -- Special case for g-trasym.obj, which is not included
- -- in libgnat.
+ -- Special case for g-trasym.obj (not included in libgnat)
Get_Name_String (ALIs.Table
(Units.Table (Elab_Order.Table (E)).My_ALI).Sfile);
-- 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.
+ -- 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 libraries
+ -- included by A to come after 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.
+ -- 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;
Set_PSD_Pragma_Table;
- -- Override Ada_Bind_File and Bind_Main_Program for VMs since
- -- JGNAT only supports Ada code, and the main program is already
- -- generated by the compiler.
+ -- Override Ada_Bind_File and Bind_Main_Program for VMs since JGNAT only
+ -- supports Ada code, and the main program is already generated by the
+ -- compiler.
if VM_Target /= No_VM then
Ada_Bind_File := True;
WBI (" gnat_envp : System.Address;");
-- If the standard library is not suppressed, these variables
- -- are in the runtime data area for easy access from the
- -- runtime.
+ -- are in the run-time data area for easy run time access.
if not Suppress_Standard_Library_On_Target then
WBI ("");
if not Cumulative_Restrictions.Set (No_Finalization) then
- -- In the Java case, pragma Import C cannot be used, so the
- -- standard Ada constructs will be used instead.
+ -- In the Java case, pragma Import C cannot be used, so the standard
+ -- Ada constructs will be used instead.
if VM_Target = No_VM then
WBI ("");
WBI ("extern void __gnat_stack_usage_initialize (int size);");
end if;
- -- Initialize stack limit for the environment task if the stack
- -- check method is stack limit and stack check is enabled.
+ -- Initialize stack limit for the environment task if the stack check
+ -- method is stack limit and stack check is enabled.
if Stack_Check_Limits_On_Target
and then (Stack_Check_Default_On_Target or Stack_Check_Switch_Set)
if Bind_Main_Program then
- -- First deal with argc/argv/envp. In the normal case they
- -- are in the run-time library.
+ -- First deal with argc/argv/envp. In the normal case they are in the
+ -- run-time library.
if not Configurable_Run_Time_On_Target then
WBI ("extern int gnat_argc;");
elsif not Command_Line_Args_On_Target then
null;
- -- Otherwise, in the configurable run-time case they are right in
- -- the binder file.
+ -- Otherwise, in the configurable run-time case they are right in the
+ -- binder file.
else
WBI ("int gnat_argc;");
if not Configurable_Run_Time_On_Target then
WBI ("extern int gnat_exit_status;");
- -- If configurable run time and no exit status on target, then
- -- the generation of this variables is entirely suppressed.
+ -- If configurable run time and no exit status on target, then the
+ -- generation of this variables is entirely suppressed.
elsif not Exit_Status_Supported_On_Target then
null;
WBI ("");
end if;
- -- When suppressing the standard library, the __gnat_break_start
- -- routine (for the debugger to get initial control) is defined in
- -- this file.
+ -- When suppressing the standard library, the __gnat_break_start routine
+ -- (for the debugger to get initial control) is defined in this file.
if Suppress_Standard_Library_On_Target then
WBI ("");
Write_Statement_Buffer;
end if;
- -- Generate the adafinal routine. In no runtime mode, this is
- -- not needed, since there is no finalization to do.
+ -- Generate the adafinal routine. In no runtime mode, this is not
+ -- needed, since there is no finalization to do.
if not Cumulative_Restrictions.Set (No_Finalization) then
Gen_Adafinal_C;
-- unnnnn : constant Integer := 16#hhhhhhhh#;
-- 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.
+ -- 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";
-- 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.
+ -- 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
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.
+ -- 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
-- no better choice. If some other encoding is required when there is
-- no main, it must be set explicitly using -Wx.
- -- Note: if the ALI file always passed the wide character encoding
- -- of every file, then we could use the encoding of the initial
- -- specified file, but this information is passed only for potential
- -- main programs. We could fix this sometime, but it is a very minor
- -- point (wide character default encoding for [Wide_[Wide_]Text_IO
- -- when there is no main program).
+ -- Note: if the ALI file always passed the wide character encoding of
+ -- every file, then we could use the encoding of the initial specified
+ -- file, but this information is passed only for potential main
+ -- programs. We could fix this sometime, but it is a very minor point
+ -- (wide character default encoding for [Wide_[Wide_]Text_IO when there
+ -- is no main program).
elsif No_Main_Subprogram then
return 'b';
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.
+ -- 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
Get_Name_String (Units.Table (Elab_Order.Table (E)).Uname);
-- This is not a perfect approach, but is the current protocol
- -- between the run-time and the binder to indicate that tasking
- -- is used: system.os_interface should always be used by any
- -- tasking application.
+ -- between the run-time and the binder to indicate that tasking is
+ -- used: system.os_interface should always be used by any tasking
+ -- application.
if Name_Buffer (1 .. 19) = "system.os_interface" then
With_GNARL := True;
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