X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fada%2Fback_end.ads;h=9d92ce39c5ceb3a7f0c92e0f3da97150e1381f7c;hp=89f30bc1defa32403c828828de76f53f42d9aa42;hb=d7b5bab3bb6269b34dca50e7cd6a0a47bee0fd18;hpb=f27cea3abf8ded22456f5f46a812cc3915969815 diff --git a/gcc/ada/back_end.ads b/gcc/ada/back_end.ads index 89f30bc1def..9d92ce39c5c 100644 --- a/gcc/ada/back_end.ads +++ b/gcc/ada/back_end.ads @@ -6,18 +6,17 @@ -- -- -- S p e c -- -- -- --- Copyright (C) 1992-2001 Free Software Foundation, Inc. -- +-- Copyright (C) 1992-2011, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 2, or (at your option) any later ver- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- --- Public License distributed with GNAT; see file COPYING. If not, write -- --- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- --- Boston, MA 02110-1301, USA. -- +-- Public License distributed with GNAT; see file COPYING3. If not, go to -- +-- http://www.gnu.org/licenses for a complete copy of the license. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- @@ -27,6 +26,8 @@ -- Call the back end with all the information needed. Also contains other -- back-end specific interfaces required by the front end. +with Einfo; use Einfo; + package Back_End is type Back_End_Mode_Type is ( @@ -36,7 +37,7 @@ package Back_End is Declarations_Only, -- Partial back end operation with no object file generation. In this -- mode the only useful action performed by gigi is to process all - -- declarations issuing any error messages (in partcicular those to + -- declarations issuing any error messages (in particular those to -- do with rep clauses), and to back annotate representation info. Skip); @@ -45,6 +46,26 @@ package Back_End is pragma Convention (C, Back_End_Mode_Type); for Back_End_Mode_Type use (0, 1, 2); + type C_String is array (0 .. 255) of aliased Character; + pragma Convention (C, C_String); + + type Register_Type_Proc is access procedure + (C_Name : C_String; -- Nul-terminated string with name of type + Digs : Natural; -- Nr or digits for floating point, 0 otherwise + Complex : Boolean; -- True iff type has real and imaginary parts + Count : Natural; -- Number of elements in vector, 0 otherwise + Float_Rep : Float_Rep_Kind; -- Representation used for fpt type + Precision : Positive; -- Precision of representation in bits + Size : Positive; -- Size of representation in bits + Alignment : Natural); -- Required alignment in bits + pragma Convention (C, Register_Type_Proc); + -- Call back procedure for Register_Back_End_Types. This is to be used by + -- Create_Standard to create predefined types for all types supported by + -- the back end. + + procedure Register_Back_End_Types (Call_Back : Register_Type_Proc); + -- Calls the Call_Back function with information for each supported type. + procedure Call_Back_End (Mode : Back_End_Mode_Type); -- Call back end, i.e. make call to driver traversing the tree and -- outputting code. This call is made with all tables locked. @@ -53,15 +74,24 @@ package Back_End is procedure Scan_Compiler_Arguments; -- Acquires command-line parameters passed to the compiler and processes - -- them. Calls Scan_Front_End_Switches for any front-end switches - -- encountered. + -- them. Calls Scan_Front_End_Switches for any front-end switches found. + -- + -- The processing of arguments is private to the back end, since the way + -- of acquiring the arguments as well as the set of allowable back end + -- switches is different depending on the particular back end being used. -- - -- The processing of arguments is private to the back end, since - -- the way of acquiring the arguments as well as the set of allowable - -- back end switches is different depending on the particular back end - -- being used. + -- Any processed switches that influence the result of a compilation must + -- be added to the Compilation_Arguments table. + + procedure Gen_Or_Update_Object_File; + -- Is used to generate the object file (if generated directly by gnat1), or + -- update it if it has already been generated by the call to Call_Back_End, + -- so that its timestamp is updated by the call. -- - -- Any processed switches that influence the result of a compilation - -- must be added to the Compilation_Arguments table. + -- This is a no-op with the gcc back-end (the object file is generated by + -- the assembler afterwards), but is needed for back-ends that directly + -- generate the final object file (such as the .NET backend) so that the + -- object file's timestamp is correct when compared with the corresponding + -- ali file by gnatmake. end Back_End;