diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog index 2caf8dd5f0d..1dfa878750a 100644 --- a/gcc/ada/ChangeLog +++ b/gcc/ada/ChangeLog @@ -1,3 +1,12 @@ +2004-10-04 Bernard Banner + + PR ada/13897 + + * Makefile.in: Add section for powerpc linux + Add variant i-vxwork-x86.ads + + * i-vxwork-x86.ads, system-linux-ppc.ads: New files. + 2004-10-04 Olivier Hainque * init.c (__gnat_initialize): Call an Ada subprogram to perform the diff --git a/gcc/ada/Makefile.in b/gcc/ada/Makefile.in index 1dba67473a3..59d90f58135 100644 --- a/gcc/ada/Makefile.in +++ b/gcc/ada/Makefile.in @@ -597,6 +597,7 @@ ifeq ($(strip $(filter-out %86 wrs vxworks,$(targ))),) a-sytaco.ads + -- Ada.Interrupts.Interrupt_ID'Asm_Input + -- ("i", Interrupt)); + -- end loop; + -- end T; + -- + -- begin + -- S := intConnect (INUM_TO_IVEC (Interrupt), Handler'Access); + -- + -- loop + -- delay 2.0; + -- Put_Line ("value of count:" & P.Count'Img); + -- end loop; + -- end Useint; + ------------------------------------- + + subtype int is Integer; + + type STATUS is new int; + -- Equivalent of the C type STATUS + + OK : constant STATUS := 0; + ERROR : constant STATUS := -1; + + type VOIDFUNCPTR is access procedure (parameter : System.Address); + type Interrupt_Vector is new System.Address; + type Exception_Vector is new System.Address; + + function intConnect + (vector : Interrupt_Vector; + handler : VOIDFUNCPTR; + parameter : System.Address := System.Null_Address) return STATUS; + -- Binding to the C routine intConnect. Use this to set up an + -- user handler. The routine generates a wrapper around the user + -- handler to save and restore context + + function intVecGet + (Vector : Interrupt_Vector) return VOIDFUNCPTR; + -- Binding to the C routine intVecGet. Use this to get the + -- existing handler for later restoral + + procedure intVecSet + (Vector : Interrupt_Vector; + Handler : VOIDFUNCPTR); + -- Binding to the C routine intVecSet. Use this to restore a + -- handler obtained using intVecGet + + procedure intVecGet2 + (vector : Interrupt_Vector; + pFunction : out VOIDFUNCPTR; + pIdtGate : access int; + pIdtSelector : access int); + -- Binding to the C routine intVecGet2. Use this to get the + -- existing handler for later restoral + + procedure intVecSet2 + (vector : Interrupt_Vector; + pFunction : VOIDFUNCPTR; + pIdtGate : access int; + pIdtSelector : access int); + -- Binding to the C routine intVecSet2. Use this to restore a + -- handler obtained using intVecGet2 + + function INUM_TO_IVEC (intNum : int) return Interrupt_Vector; + -- Equivalent to the C macro INUM_TO_IVEC used to convert an interrupt + -- number to an interrupt vector + + procedure logMsg + (fmt : String; arg1, arg2, arg3, arg4, arg5, arg6 : int := 0); + -- Binding to the C routine logMsg. Note that it is the caller's + -- responsibility to ensure that fmt is a null-terminated string + -- (e.g logMsg ("Interrupt" & ASCII.NUL)) + + type FP_CONTEXT is private; + -- Floating point context save and restore. Handlers using floating + -- point must be bracketed with these calls. The pFpContext parameter + -- should be an object of type FP_CONTEXT that is + -- declared local to the handler. + -- See the VxWorks Intel Architecture Supplement regarding + -- these routines. + + procedure fppRestore (pFpContext : in out FP_CONTEXT); + -- Restore floating point context - old style + + procedure fppSave (pFpContext : in out FP_CONTEXT); + -- Save floating point context - old style + + procedure fppXrestore (pFpContext : in out FP_CONTEXT); + -- Restore floating point context - new style + + procedure fppXsave (pFpContext : in out FP_CONTEXT); + -- Save floating point context - new style + +private + + type FP_CONTEXT is new System.VxWorks.FP_CONTEXT; + -- Target-dependent floating point context type + + pragma Import (C, intConnect, "intConnect"); + pragma Import (C, intVecGet, "intVecGet"); + pragma Import (C, intVecSet, "intVecSet"); + pragma Import (C, intVecGet2, "intVecGet2"); + pragma Import (C, intVecSet2, "intVecSet2"); + pragma Import (C, INUM_TO_IVEC, "__gnat_inum_to_ivec"); + pragma Import (C, logMsg, "logMsg"); + pragma Import (C, fppRestore, "fppRestore"); + pragma Import (C, fppSave, "fppSave"); + pragma Import (C, fppXrestore, "fppXrestore"); + pragma Import (C, fppXsave, "fppXsave"); +end Interfaces.VxWorks; diff --git a/gcc/ada/system-linux-ppc.ads b/gcc/ada/system-linux-ppc.ads new file mode 100644 index 00000000000..abffe5df7eb --- /dev/null +++ b/gcc/ada/system-linux-ppc.ads @@ -0,0 +1,151 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M -- +-- -- +-- S p e c -- +-- (GNU-Linux/PPC Version) -- +-- -- +-- Copyright (C) 1992-2004 Free Software Foundation, Inc. -- +-- -- +-- This specification is derived from the Ada Reference Manual for use with -- +-- GNAT. The copyright notice above, and the license provisions that follow -- +-- apply solely to the contents of the part following the private keyword. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 2, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +package System is +pragma Pure (System); +-- Note that we take advantage of the implementation permission to +-- make this unit Pure instead of Preelaborable, see RM 13.7(36) + + type Name is (SYSTEM_NAME_GNAT); + System_Name : constant Name := SYSTEM_NAME_GNAT; + + -- System-Dependent Named Numbers + + Min_Int : constant := Long_Long_Integer'First; + Max_Int : constant := Long_Long_Integer'Last; + + Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size; + Max_Nonbinary_Modulus : constant := Integer'Last; + + Max_Base_Digits : constant := Long_Long_Float'Digits; + Max_Digits : constant := Long_Long_Float'Digits; + + Max_Mantissa : constant := 63; + Fine_Delta : constant := 2.0 ** (-Max_Mantissa); + + Tick : constant := 0.000_001; + + -- Storage-related Declarations + + type Address is private; + Null_Address : constant Address; + + Storage_Unit : constant := 8; + Word_Size : constant := 32; + Memory_Size : constant := 2 ** 32; + + -- Address comparison + + function "<" (Left, Right : Address) return Boolean; + function "<=" (Left, Right : Address) return Boolean; + function ">" (Left, Right : Address) return Boolean; + function ">=" (Left, Right : Address) return Boolean; + function "=" (Left, Right : Address) return Boolean; + + pragma Import (Intrinsic, "<"); + pragma Import (Intrinsic, "<="); + pragma Import (Intrinsic, ">"); + pragma Import (Intrinsic, ">="); + pragma Import (Intrinsic, "="); + + -- Other System-Dependent Declarations + + type Bit_Order is (High_Order_First, Low_Order_First); + Default_Bit_Order : constant Bit_Order := High_Order_First; + + -- Priority-related Declarations (RM D.1) + + Max_Priority : constant Positive := 30; + Max_Interrupt_Priority : constant Positive := 31; + + subtype Any_Priority is Integer range 0 .. 31; + subtype Priority is Any_Priority range 0 .. 30; + subtype Interrupt_Priority is Any_Priority range 31 .. 31; + + Default_Priority : constant Priority := 15; + +private + + type Address is mod Memory_Size; + Null_Address : constant Address := 0; + + -------------------------------------- + -- System Implementation Parameters -- + -------------------------------------- + + -- These parameters provide information about the target that is used + -- by the compiler. They are in the private part of System, where they + -- can be accessed using the special circuitry in the Targparm unit + -- whose source should be consulted for more detailed descriptions + -- of the individual switch values. + + AAMP : constant Boolean := False; + Backend_Divide_Checks : constant Boolean := False; + Backend_Overflow_Checks : constant Boolean := False; + Command_Line_Args : constant Boolean := True; + Configurable_Run_Time : constant Boolean := False; + Denorm : constant Boolean := True; + Duration_32_Bits : constant Boolean := False; + Exit_Status_Supported : constant Boolean := True; + Fractional_Fixed_Ops : constant Boolean := False; + Frontend_Layout : constant Boolean := False; + Functions_Return_By_DSP : constant Boolean := False; + Machine_Overflows : constant Boolean := False; + Machine_Rounds : constant Boolean := True; + OpenVMS : constant Boolean := False; + Preallocated_Stacks : constant Boolean := False; + Signed_Zeros : constant Boolean := True; + Stack_Check_Default : constant Boolean := False; + Stack_Check_Probes : constant Boolean := False; + Support_64_Bit_Divides : constant Boolean := True; + Support_Aggregates : constant Boolean := True; + Support_Composite_Assign : constant Boolean := True; + Support_Composite_Compare : constant Boolean := True; + Support_Long_Shifts : constant Boolean := True; + Suppress_Standard_Library : constant Boolean := False; + Use_Ada_Main_Program_Name : constant Boolean := False; + ZCX_By_Default : constant Boolean := False; + GCC_ZCX_Support : constant Boolean := False; + Front_End_ZCX_Support : constant Boolean := False; + + -- Obsolete entries, to be removed eventually (bootstrap issues!) + + High_Integrity_Mode : constant Boolean := False; + Long_Shifts_Inlined : constant Boolean := True; + +end System;