-- types and dispatching calls, assuming the underlying target supports
-- it (e.g. in the JVM case).
- Target_Dependent_Info_Read : Boolean := False;
+ Target_Dependent_Info_Read_Name : String_Ptr := null;
-- GNAT
- -- Set True to override the normal processing in Get_Targ and set the
- -- necessary information by reading the target dependent information
- -- file (see packages Get_Targ and Set_Targ for full details). Set True
- -- by use of the -gnateT switch.
+ -- Set non-null to override the normal processing in Get_Targ and set the
+ -- necessary information by reading the target dependent information file
+ -- whose name is given here (see packages Get_Targ and Set_Targ for full
+ -- details). Set to non-null file name by use of the -gnateT switch.
- Target_Dependent_Info_Write : Boolean := False;
+ Target_Dependent_Info_Write_Name : String_Ptr := null;
-- GNAT
- -- Set True to enable a call to Set_Targ.Write_Target_Dependent_Info which
- -- writes a target independent information file (see packages Get_Targ and
- -- Set_Targ for full details). Set True by use of the -gnatet switch.
+ -- Set non-null to enable a call to Set_Targ.Write_Target_Dependent_Info
+ -- which writes a target independent information file (see packages
+ -- Get_Targ and Set_Targ for full details) using the name given by
+ -- this switch. Set to non-null file name by use of the -gnatet switch.
Task_Dispatching_Policy : Character := ' ';
-- GNAT, GNATBIND
package body Set_Targ is
- ---------------------------------------------
- -- Data Used to Read/Write target.atp File --
- ---------------------------------------------
-
- File_Name : aliased constant String := "target.atp";
- -- Name of file to read/write
+ --------------------------------------------------------
+ -- Data Used to Read/Write Target Dependent Info File --
+ --------------------------------------------------------
-- Table of string names written to file
AddC (ASCII.LF);
if Buflen /= Write (Fdesc, Buffer'Address, Buflen) then
- Delete_File (File_Name'Address, OK);
- Fail ("disk full writing target.atp");
+ Delete_File (Target_Dependent_Info_Write_Name'Address, OK);
+ Fail ("disk full writing file "
+ & Target_Dependent_Info_Write_Name.all);
end if;
Buflen := 0;
-- Start of processing for Write_Target_Dependent_Values
begin
- Fdesc := Create_File (File_Name'Address, Text);
+ Fdesc :=
+ Create_File (Target_Dependent_Info_Write_Name.all'Address, Text);
if Fdesc = Invalid_FD then
- Fail ("cannot create target.atp");
+ Fail ("cannot create file " & Target_Dependent_Info_Write_Name.all);
end if;
-- Loop through values
Close (Fdesc, OK);
if not OK then
- Fail ("disk full writing target.atp");
+ Fail ("disk full writing file "
+ & Target_Dependent_Info_Write_Name.all);
end if;
end Write_Target_Dependent_Values;
-- First step: see if the -gnateT switch is present. As we have noted,
-- this has to be done very early, so can not depend on the normal circuit
-- for reading switches and setting switches in Opt. The following code
- -- will set Opt.Target_Dependent_Info_Read if an option starting -gnateT
+ -- will set Opt.Target_Dependent_Info_Read_Name if the switch -gnateT=name
-- is present in the options string.
declare
declare
Argv_Ptr : constant Big_String_Ptr := save_argv (Arg);
Argv_Len : constant Nat := Len_Arg (Arg);
+
begin
- if Argv_Len = 7
- and then Argv_Ptr (1 .. 7) = "-gnateT"
+ if Argv_Len > 8
+ and then Argv_Ptr (1 .. 8) = "-gnateT="
then
- Opt.Target_Dependent_Info_Read := True;
+ Opt.Target_Dependent_Info_Read_Name :=
+ new String'(Argv_Ptr (9 .. Natural (Argv_Len)));
+
elsif Argv_Len >= 8
and then Argv_Ptr (1 .. 8) = "-gnatd.b"
then
-- If the switch is not set, we get all values from the back end
- if not Opt.Target_Dependent_Info_Read then
+ if Opt.Target_Dependent_Info_Read_Name = null then
-- Set values by direct calls to the back end
Register_Back_End_Types (Register_Float_Type'Access);
- -- Case of reading the target dependent values from target.atp
+ -- Case of reading the target dependent values from file
-- This is bit more complex than might be expected, because it has to be
-- done very early. All kinds of packages depend on these values, and we
-- too early to be using Osint directly.
else
- Read_File : declare
+ Read_Target_Dependent_Values : declare
File_Desc : File_Descriptor;
N : Natural;
-- Checks that we have one or more spaces and skips them
procedure FailN (S : String);
- -- Calls Fail prefixing "target.atp: " to the start of the given
- -- string, and " name" to the end where name is the currently
- -- gathered name in Nam_Buf, surrounded by quotes.
+ -- Calls Fail adding " name in file xxx", where name is the currently
+ -- gathered name in Nam_Buf, surrounded by quotes, and xxx is the
+ -- name of the file.
procedure Get_Name;
-- Scan out name, leaving it in Nam_Buf with Nam_Len set. Calls
procedure FailN (S : String) is
begin
- Fail ("target.atp: " & S & " """ & Nam_Buf (1 .. Nam_Len) & '"');
+ Fail (S & " """ & Nam_Buf (1 .. Nam_Len) & """ in file "
+ & Target_Dependent_Info_Read_Name.all);
end FailN;
--------------
end loop;
end Skip_Spaces;
- -- Start of processing for Read_File
+ -- Start of processing for Read_Target_Dependent_Values
begin
- File_Desc := Open_Read ("target.atp", Text);
+ File_Desc := Open_Read (Target_Dependent_Info_Read_Name.all, Text);
if File_Desc = Invalid_FD then
- Fail ("cannot read target.atp file");
+ Fail ("cannot read file " & Target_Dependent_Info_Read_Name.all);
end if;
Buflen := Read (File_Desc, Buffer'Address, Buffer'Length);
if Buflen = Buffer'Length then
- Fail ("target.atp file is too long");
+ Fail ("file is too long: " & Target_Dependent_Info_Read_Name.all);
end if;
-- Scan through file for properly formatted entries in first section
for J in DTR'Range loop
if not DTR (J) then
- Fail ("missing entry in target.atp for " & DTN (J).all);
+ Fail ("missing entry for " & DTN (J).all & " in file "
+ & Target_Dependent_Info_Read_Name.all);
end if;
end loop;
-- Now acquire FPT entries
if N >= Buflen then
- Fail ("target.atp is missing entries for FPT modes");
+ Fail ("missing entries for FPT modes in file "
+ & Target_Dependent_Info_Read_Name.all);
end if;
if Buffer (N) = ASCII.LF then
N := N + 1;
else
- Fail ("target.atp is missing blank line");
+ Fail ("missing blank line in file "
+ & Target_Dependent_Info_Read_Name.all);
end if;
Num_FPT_Modes := 0;
N := N + 1;
end;
end loop;
- end Read_File;
+ end Read_Target_Dependent_Values;
end if;
end Set_Targ;
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