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Re: [PATCH 3/4][Ada,DJGPP] Ada support for DJGPP
- From: Andris Pavenis <andris dot pavenis at iki dot fi>
- To: Arnaud Charlet <charlet at adacore dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, DJ Delorie <dj at delorie dot com>
- Date: Mon, 22 Aug 2016 07:04:07 +0300
- Subject: Re: [PATCH 3/4][Ada,DJGPP] Ada support for DJGPP
- Authentication-results: sourceware.org; auth=none
- References: <d819a0bc-5540-d602-2c37-32bd66d9612b@iki.fi> <20160818094152.GB1929@adacore.com>
On 08/18/2016 12:41 PM, Arnaud Charlet wrote:
2016-07-30 Andris Pavenis <andris.pavenis@iki.fi>
* ada/gcc-interface/Makefile.in (LIBGNAT_TARGET_PAIRS): Define for
DJGPP target
(EH_MECHANISM): Define to -gcc for DJGPP
* ada/system-djgpp.ads: New file
Andris
+++ b/gcc/ada/system-djgpp.ads
@@ -0,0 +1,148 @@
+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- S Y S T E M --
+-- --
+-- S p e c --
+-- (DJGPP Version) --
Wrong formatting here.
Fixed
+-- --
+-- Copyright (C) 1992-2015, Free Software Foundation, Inc. --
Wrong copyright here.
Also fixed. New patch is in attachment.
Andris
>From 3cfe377c3d5b798e39209518ebdf15752818e5ee Mon Sep 17 00:00:00 2001
From: Andris Pavenis <andris.pavenis@iki.fi>
Date: Sun, 21 Aug 2016 13:30:10 +0300
Subject: [PATCH 3/4] [DJGPP, Ada] DJGPP support
* ada/gcc-interface/Makefile.in (LIBGNAT_TARGET_PAIRS): Define for DJGPP target
(EH_MECHANISM): Define to -gcc for DJGPP
* ada/system-djgpp.ads: New file
---
gcc/ada/gcc-interface/Makefile.in | 17 +++++
gcc/ada/system-djgpp.ads | 148 ++++++++++++++++++++++++++++++++++++++
2 files changed, 165 insertions(+)
create mode 100644 gcc/ada/system-djgpp.ads
diff --git a/gcc/ada/gcc-interface/Makefile.in b/gcc/ada/gcc-interface/Makefile.in
index 0df7f89..dcb7c93 100644
--- a/gcc/ada/gcc-interface/Makefile.in
+++ b/gcc/ada/gcc-interface/Makefile.in
@@ -1773,6 +1773,23 @@ ifeq ($(strip $(filter-out elf eabi eabispe,$(target_os))),)
indepsw.adb<indepsw-gnu.adb
endif
+ifeq ($(strip $(filter-out %djgpp,$(target_os))),)
+ GNATRTL_SOCKETS_OBJS =
+
+ LIBGNAT_TARGET_PAIRS = \
+ a-intnam.ads<a-intnam-dummy.ads \
+ s-inmaop.adb<s-inmaop-dummy.adb \
+ s-intman.adb<s-intman-dummy.adb \
+ s-osinte.ads<s-osinte-dummy.ads \
+ s-osprim.adb<s-osprim-unix.adb \
+ s-taprop.adb<s-taprop-dummy.adb \
+ s-taspri.ads<s-taspri-dummy.ads \
+ system.ads<system-djgpp.ads \
+ $(DUMMY_SOCKETS_TARGET_PAIRS)
+
+ EH_MECHANISM=-gcc
+endif
+
# Cygwin/Mingw32
ifeq ($(strip $(filter-out cygwin% mingw32% pe,$(target_os))),)
# Cygwin provides a full Posix environment, and so we use the default
diff --git a/gcc/ada/system-djgpp.ads b/gcc/ada/system-djgpp.ads
new file mode 100644
index 0000000..18018cb
--- /dev/null
+++ b/gcc/ada/system-djgpp.ads
@@ -0,0 +1,148 @@
+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- S Y S T E M --
+-- --
+-- S p e c --
+-- (DJGPP Version) --
+-- --
+-- Copyright (C) 1992-2016, 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 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. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- 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).
+
+ pragma No_Elaboration_Code_All;
+ -- Allow the use of that restriction in units that WITH this unit
+
+ 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 := 2 ** Integer'Size - 1;
+
+ 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 := 0.01;
+
+ -- Storage-related Declarations
+
+ type Address is private;
+ pragma Preelaborable_Initialization (Address);
+ 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 := 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.
+
+ Backend_Divide_Checks : constant Boolean := False;
+ Backend_Overflow_Checks : constant Boolean := True;
+ 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;
+ Machine_Overflows : constant Boolean := False;
+ Machine_Rounds : constant Boolean := True;
+ Preallocated_Stacks : constant Boolean := False;
+ Signed_Zeros : constant Boolean := True;
+ Stack_Check_Default : constant Boolean := False;
+ Stack_Check_Probes : constant Boolean := True;
+ Stack_Check_Limits : constant Boolean := False;
+ Support_Aggregates : constant Boolean := True;
+ Support_Atomic_Primitives : constant Boolean := False;
+ Support_Composite_Assign : constant Boolean := True;
+ Support_Composite_Compare : constant Boolean := True;
+ Support_Long_Shifts : constant Boolean := True;
+ Always_Compatible_Rep : constant Boolean := False;
+ Suppress_Standard_Library : constant Boolean := False;
+ Use_Ada_Main_Program_Name : constant Boolean := False;
+ Frontend_Exceptions : constant Boolean := False;
+ ZCX_By_Default : constant Boolean := False;
+
+end System;
--
2.7.4