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Re: [PATCH][Ada] mips64el multilib support


Ping.

On Mon, 2009-03-02 at 18:40 +0100, Laurent GUERBY wrote:
> Hi,
> 
> With this patch on top of my previous mips64el-linux related patches
> Ada testsuite is clean on the three MIPS ABI 32, n32 and 64
> (excepted for 128 bit long double issue on n32 & 64 ACATS cxg tests
> reported in another mail).
> 
> Ok to commit for 4.5 and 4.4.1?
> 
> Thanks in advance,
> 
> Laurent
> 
> 2009-03-02  Laurent GUERBY <laurent@guerby.net>
> 
>         * system-linux-mips64el.ads: New.
>         * gcc-interface/Makefile.in: Fix multilib handling for
>         mips64el-linux.
> 
> 
> Index: gcc/ada/system-linux-mips64el.ads
> ===================================================================
> --- gcc/ada/system-linux-mips64el.ads	(revision 0)
> +++ gcc/ada/system-linux-mips64el.ads	(revision 0)
> @@ -0,0 +1,154 @@
> +------------------------------------------------------------------------------
> +--                                                                          --
> +--                        GNAT RUN-TIME COMPONENTS                          --
> +--                                                                          --
> +--                               S Y S T E M                                --
> +--                                                                          --
> +--                                 S p e c                                  --
> +--                       (GNU-Linux/MIPS64EL Version)                       --
> +--                                                                          --
> +--          Copyright (C) 1992-2005, 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,  51  Franklin  Street,  Fifth  Floor, --
> +-- Boston, MA 02110-1301, 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;
> +   --  Note that we take advantage of the implementation permission to make
> +   --  this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada
> +   --  2005, this is Pure in any case (AI-362).
> +
> +   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 := 64;
> +   Memory_Size  : constant := 2 ** 64;
> +
> +   --  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 := Low_Order_First;
> +   pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning
> +
> +   --  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;
> +   Compiler_System_Version   : constant Boolean := False;
> +   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 := True;
> +   GCC_ZCX_Support           : constant Boolean := True;
> +   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;
> Index: gcc/ada/gcc-interface/Makefile.in
> ===================================================================
> --- gcc/ada/gcc-interface/Makefile.in	(revision 144426)
> +++ gcc/ada/gcc-interface/Makefile.in	(working copy)
> @@ -1447,11 +1447,11 @@
>  endif
>  
>  ifeq ($(strip $(filter-out mipsel linux%,$(arch) $(osys))),)
> -  LIBGNAT_TARGET_PAIRS = \
> +  LIBGNAT_TARGET_PAIRS_COMMON = \
>    a-intnam.ads<a-intnam-linux.ads \
>    s-inmaop.adb<s-inmaop-posix.adb \
>    s-intman.adb<s-intman-posix.adb \
> -  s-linux.ads<s-linux.ads \
> +  s-linux.ads<s-linux-mipsel.ads \
>    s-osinte.adb<s-osinte-posix.adb \
>    s-osinte.ads<s-osinte-linux.ads \
>    s-osprim.adb<s-osprim-posix.adb \
> @@ -1460,9 +1460,22 @@
>    s-tasinf.adb<s-tasinf-linux.adb \
>    s-taspri.ads<s-taspri-posix-noaltstack.ads \
>    s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
> -  g-sercom.adb<g-sercom-linux.adb \
> +  g-sercom.adb<g-sercom-linux.adb
> +
> +  LIBGNAT_TARGET_PAIRS_32 = \
>    system.ads<system-linux-mipsel.ads
>  
> +  LIBGNAT_TARGET_PAIRS_64 = \
> +  system.ads<system-linux-mips64el.ads
> +
> +  ifeq ($(strip $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory)),../lib64)
> +    LIBGNAT_TARGET_PAIRS = \
> +    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_64)
> +  else
> +    LIBGNAT_TARGET_PAIRS = \
> +    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_32)
> +  endif
> +
>    TOOLS_TARGET_PAIRS =  \
>      mlib-tgt-specific.adb<mlib-tgt-specific-linux.adb \
>      indepsw.adb<indepsw-gnu.adb
> @@ -1476,6 +1489,49 @@
>    LIBRARY_VERSION := $(LIB_VERSION)
>  endif
>  
> +ifeq ($(strip $(filter-out mips64el linux%,$(arch) $(osys))),)
> +  LIBGNAT_TARGET_PAIRS_COMMON = \
> +  a-intnam.ads<a-intnam-linux.ads \
> +  s-inmaop.adb<s-inmaop-posix.adb \
> +  s-intman.adb<s-intman-posix.adb \
> +  s-linux.ads<s-linux-mipsel.ads \
> +  s-osinte.adb<s-osinte-posix.adb \
> +  s-osinte.ads<s-osinte-linux.ads \
> +  s-osprim.adb<s-osprim-posix.adb \
> +  s-taprop.adb<s-taprop-linux.adb \
> +  s-tasinf.ads<s-tasinf-linux.ads \
> +  s-tasinf.adb<s-tasinf-linux.adb \
> +  s-taspri.ads<s-taspri-posix-noaltstack.ads \
> +  s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
> +  g-sercom.adb<g-sercom-linux.adb
> +
> +  LIBGNAT_TARGET_PAIRS_32 = \
> +  system.ads<system-linux-mipsel.ads
> +
> +  LIBGNAT_TARGET_PAIRS_64 = \
> +  system.ads<system-linux-mips64el.ads
> +
> +  ifeq ($(strip $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory)),../lib64)
> +    LIBGNAT_TARGET_PAIRS = \
> +    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_64)
> +  else
> +    LIBGNAT_TARGET_PAIRS = \
> +    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_32)
> +  endif
> +
> +  TOOLS_TARGET_PAIRS =  \
> +    mlib-tgt-specific.adb<mlib-tgt-specific-linux.adb \
> +    indepsw.adb<indepsw-gnu.adb
> +
> +  EXTRA_GNATRTL_TASKING_OBJS=s-linux.o
> +  EH_MECHANISM=-gcc
> +  THREADSLIB = -lpthread
> +  GNATLIB_SHARED = gnatlib-shared-dual
> +  GMEM_LIB = gmemlib
> +  PREFIX_OBJS = $(PREFIX_REAL_OBJS)
> +  LIBRARY_VERSION := $(LIB_VERSION)
> +endif
> +
>  ifeq ($(strip $(filter-out powerpc% linux%,$(arch) $(osys))),)
>    LIBGNAT_TARGET_PAIRS_COMMON = \
>    a-intnam.ads<a-intnam-linux.ads \
> 



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