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[multiple changes]

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2011-08-01  Javier Miranda  <miranda@adacore.com>

	* sem_util.adb (Abstract_Interface_List): Complete condition when
	processing private type declarations to avoid reading unavailable
	attribute.
	(Is_Synchronized_Tagged_Type): Complete condition when processing
	private extension declaration nodes to avoid reading unavailable
	attribute.

2011-08-01  Thomas Quinot  <quinot@adacore.com>

	* sem_ch3.adb: Minor reformatting.

2011-08-01  Thomas Quinot  <quinot@adacore.com>

	* s-parame-ae653.ads, s-parame-vms-alpha.ads, s-parame-hpux.ads,
	i-cpoint.adb, i-cstrin.adb, i-cpoint.ads, i-cstrin.ads,
	s-parame-vms-ia64.ads, s-parame.ads, i-c.ads, s-parame-vxworks.ads,
	s-parame-vms-restrict.ads: Remove duplicated Interfaces.C.* packages
	for VMS, instead parametrize the common implementation with
	System.Parameters declarations.

From-SVN: r177038
This commit is contained in:
Arnaud Charlet 2011-08-01 16:36:39 +02:00
parent 0bb9276c88
commit d8b3ccb951
15 changed files with 121 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
gcc/ada/ChangeLog
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@ -1,3 +1,25 @@
2011-08-01 Javier Miranda <miranda@adacore.com>
* sem_util.adb (Abstract_Interface_List): Complete condition when
processing private type declarations to avoid reading unavailable
attribute.
(Is_Synchronized_Tagged_Type): Complete condition when processing
private extension declaration nodes to avoid reading unavailable
attribute.
2011-08-01 Thomas Quinot <quinot@adacore.com>
* sem_ch3.adb: Minor reformatting.
2011-08-01 Thomas Quinot <quinot@adacore.com>
* s-parame-ae653.ads, s-parame-vms-alpha.ads, s-parame-hpux.ads,
i-cpoint.adb, i-cstrin.adb, i-cpoint.ads, i-cstrin.ads,
s-parame-vms-ia64.ads, s-parame.ads, i-c.ads, s-parame-vxworks.ads,
s-parame-vms-restrict.ads: Remove duplicated Interfaces.C.* packages
for VMS, instead parametrize the common implementation with
System.Parameters declarations.
2011-08-01 Eric Botcazou <ebotcazou@adacore.com>
* gnat_rm.texi: Document limitation of Pragma No_Strict_Aliasing.

6
gcc/ada/i-c.ads
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@ -54,10 +54,10 @@ package Interfaces.C is
-- a non-private system.address type.
type ptrdiff_t is
range -(2 ** (Standard'Address_Size - Integer'(1))) ..
+(2 ** (Standard'Address_Size - Integer'(1)) - 1);
range -(2 ** (System.Parameters.ptr_bits - Integer'(1))) ..
+(2 ** (System.Parameters.ptr_bits - Integer'(1)) - 1);
type size_t is mod 2 ** Standard'Address_Size;
type size_t is mod 2 ** System.Parameters.ptr_bits;
-- Floating-Point

6
gcc/ada/i-cpoint.adb
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@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2010, 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- --
@ -36,7 +36,7 @@ with Ada.Unchecked_Conversion;
package body Interfaces.C.Pointers is
type Addr is mod Memory_Size;
type Addr is mod 2 ** System.Parameters.ptr_bits;
function To_Pointer is new Ada.Unchecked_Conversion (Addr, Pointer);
function To_Addr is new Ada.Unchecked_Conversion (Pointer, Addr);
@ -195,6 +195,7 @@ package body Interfaces.C.Pointers is
subtype A is Element_Array (L .. H);
type PA is access A;
for PA'Size use System.Parameters.ptr_bits;
function To_PA is new Ada.Unchecked_Conversion (Pointer, PA);
begin
@ -238,6 +239,7 @@ package body Interfaces.C.Pointers is
subtype A is Element_Array (L .. H);
type PA is access A;
for PA'Size use System.Parameters.ptr_bits;
function To_PA is new Ada.Unchecked_Conversion (Pointer, PA);
begin

5
gcc/ada/i-cpoint.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1993-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1993-2010, 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 --
@ -33,6 +33,8 @@
-- --
------------------------------------------------------------------------------
with System.Parameters;
generic
type Index is (<>);
type Element is private;
@ -43,6 +45,7 @@ package Interfaces.C.Pointers is
pragma Preelaborate;
type Pointer is access all Element;
for Pointer'Size use System.Parameters.ptr_bits;
pragma No_Strict_Aliasing (Pointer);
-- We turn off any strict aliasing assumptions for the pointer type,

6
gcc/ada/i-cstrin.adb
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@ -42,10 +42,10 @@ package body Interfaces.C.Strings is
-- this type will in fact be used for aliasing values of other types.
function To_chars_ptr is
new Ada.Unchecked_Conversion (Address, chars_ptr);
new Ada.Unchecked_Conversion (System.Parameters.C_Address, chars_ptr);
function To_Address is
new Ada.Unchecked_Conversion (chars_ptr, Address);
new Ada.Unchecked_Conversion (chars_ptr, System.Parameters.C_Address);
-----------------------
-- Local Subprograms --
@ -70,7 +70,7 @@ package body Interfaces.C.Strings is
-- compatible, so we directly import here the malloc and free routines.
function Memory_Alloc (Size : size_t) return chars_ptr;
pragma Import (C, Memory_Alloc, "__gnat_malloc");
pragma Import (C, Memory_Alloc, System.Parameters.C_Malloc_Linkname);
procedure Memory_Free (Address : chars_ptr);
pragma Import (C, Memory_Free, "__gnat_free");

5
gcc/ada/i-cstrin.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1993-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1993-2010, 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 --
@ -37,6 +37,7 @@ package Interfaces.C.Strings is
pragma Preelaborate;
type char_array_access is access all char_array;
for char_array_access'Size use System.Parameters.ptr_bits;
pragma No_Strict_Aliasing (char_array_access);
-- Since this type is used for external interfacing, with the pointer
@ -91,7 +92,7 @@ package Interfaces.C.Strings is
private
type chars_ptr is access all Character;
pragma Convention (C, chars_ptr);
for chars_ptr'Size use System.Parameters.ptr_bits;
pragma No_Strict_Aliasing (chars_ptr);
-- Since this type is used for external interfacing, with the pointer

11
gcc/ada/s-parame-ae653.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2010, 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- --
@ -112,6 +112,15 @@ package System.Parameters is
-- is that this is the same as type Long_Integer, but this is not true
-- of all targets. For example, in OpenVMS long /= Long_Integer.
ptr_bits : constant := Standard'Address_Size;
subtype C_Address is System.Address;
-- Number of bits in Interaces.C pointers, normally a standard address,
-- except on 64-bit VMS where they are 32-bit addresses, for compatibility
-- with legacy code.
C_Malloc_Linkname : constant String := "__gnat_malloc";
-- Name of runtime function used to allocate such a pointer
----------------------------------------------
-- Behavior of Pragma Finalize_Storage_Only --
----------------------------------------------

11
gcc/ada/s-parame-hpux.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2010, 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- --
@ -110,6 +110,15 @@ package System.Parameters is
-- is that this is the same as type Long_Integer, but this is not true
-- of all targets. For example, in OpenVMS long /= Long_Integer.
ptr_bits : constant := Standard'Address_Size;
subtype C_Address is System.Address;
-- Number of bits in Interaces.C pointers, normally a standard address,
-- except on 64-bit VMS where they are 32-bit addresses, for compatibility
-- with legacy code.
C_Malloc_Linkname : constant String := "__gnat_malloc";
-- Name of runtime function used to allocate such a pointer
----------------------------------------------
-- Behavior of Pragma Finalize_Storage_Only --
----------------------------------------------

13
gcc/ada/s-parame-vms-alpha.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2010, 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- --
@ -46,6 +46,8 @@
-- Note: do not introduce any pragma Inline statements into this unit, since
-- otherwise the relinking and rebinding capability would be deactivated.
with System.Aux_DEC;
package System.Parameters is
pragma Pure;
@ -110,6 +112,15 @@ package System.Parameters is
-- is that this is the same as type Long_Integer, but this is not true
-- of all targets. For example, in OpenVMS long /= Long_Integer.
ptr_bits : constant := 32;
subtype C_Address is System.Short_Address;
-- Number of bits in Interaces.C pointers, normally a standard address,
-- except on 64-bit VMS where they are 32-bit addresses, for compatibility
-- with legacy code.
C_Malloc_Linkname : constant String := "__gnat_malloc32";
-- Name of runtime function used to allocate such a pointer
----------------------------------------------
-- Behavior of Pragma Finalize_Storage_Only --
----------------------------------------------

13
gcc/ada/s-parame-vms-ia64.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2010, 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- --
@ -46,6 +46,8 @@
-- Note: do not introduce any pragma Inline statements into this unit, since
-- otherwise the relinking and rebinding capability would be deactivated.
with System.Aux_DEC;
package System.Parameters is
pragma Pure;
@ -110,6 +112,15 @@ package System.Parameters is
-- is that this is the same as type Long_Integer, but this is not true
-- of all targets. For example, in OpenVMS long /= Long_Integer.
ptr_bits : constant := 32;
subtype C_Address is System.Short_Address;
-- Number of bits in Interaces.C pointers, normally a standard address,
-- except on 64-bit VMS where they are 32-bit addresses, for compatibility
-- with legacy code.
C_Malloc_Linkname : constant String := "__gnat_malloc32";
-- Name of runtime function used to allocate such a pointer
----------------------------------------------
-- Behavior of Pragma Finalize_Storage_Only --
----------------------------------------------

13
gcc/ada/s-parame-vms-restrict.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2010, 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- --
@ -46,6 +46,8 @@
-- Note: do not introduce any pragma Inline statements into this unit, since
-- otherwise the relinking and rebinding capability would be deactivated.
with System.Aux_DEC;
package System.Parameters is
pragma Pure;
@ -110,6 +112,15 @@ package System.Parameters is
-- is that this is the same as type Long_Integer, but this is not true
-- of all targets. For example, in OpenVMS long /= Long_Integer.
ptr_bits : constant := 32;
subtype C_Address is System.Short_Address;
-- Number of bits in Interaces.C pointers, normally a standard address,
-- except on 64-bit VMS where they are 32-bit addresses, for compatibility
-- with legacy code.
C_Malloc_Linkname : constant String := "__gnat_malloc32";
-- Name of runtime function used to allocate such a pointer
----------------------------------------------
-- Behavior of Pragma Finalize_Storage_Only --
----------------------------------------------

11
gcc/ada/s-parame-vxworks.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2010, 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- --
@ -112,6 +112,15 @@ package System.Parameters is
-- is that this is the same as type Long_Integer, but this is not true
-- of all targets. For example, in OpenVMS long /= Long_Integer.
ptr_bits : constant := Standard'Address_Size;
subtype C_Address is System.Address;
-- Number of bits in Interaces.C pointers, normally a standard address,
-- except on 64-bit VMS where they are 32-bit addresses, for compatibility
-- with legacy code.
C_Malloc_Linkname : constant String := "__gnat_malloc";
-- Name of runtime function used to allocate such a pointer
----------------------------------------------
-- Behavior of Pragma Finalize_Storage_Only --
----------------------------------------------

11
gcc/ada/s-parame.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2010, 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- --
@ -112,6 +112,15 @@ package System.Parameters is
-- is that this is the same as type Long_Integer, but this is not true
-- of all targets. For example, in OpenVMS long /= Long_Integer.
ptr_bits : constant := Standard'Address_Size;
subtype C_Address is System.Address;
-- Number of bits in Interaces.C pointers, normally a standard address,
-- except on 64-bit VMS where they are 32-bit addresses, for compatibility
-- with legacy code.
C_Malloc_Linkname : constant String := "__gnat_malloc";
-- Name of runtime function used to allocate such a pointer
----------------------------------------------
-- Behavior of Pragma Finalize_Storage_Only --
----------------------------------------------

2
gcc/ada/sem_ch3.adb
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@ -1175,7 +1175,7 @@ package body Sem_Ch3 is
-- In ASIS mode, the access_to_subprogram may be analyzed twice,
-- when it is part of an unconstrained type and subtype expansion
-- is disabled. To avoid back-end problems with shared profiles,
-- is disabled. To avoid back-end problems with shared profiles,
-- use previous subprogram type as the designated type.
if ASIS_Mode

6
gcc/ada/sem_util.adb
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@ -165,7 +165,10 @@ package body Sem_Util is
Nod := Type_Definition (Parent (Typ));
elsif Nkind (Parent (Typ)) = N_Private_Type_Declaration then
if Present (Full_View (Typ)) then
if Present (Full_View (Typ))
and then Nkind (Parent (Full_View (Typ)))
= N_Full_Type_Declaration
then
Nod := Type_Definition (Parent (Full_View (Typ)));
-- If the full-view is not available we cannot do anything else
@ -7335,6 +7338,7 @@ package body Sem_Util is
and then Is_Synchronized_Interface (E))
or else
(Ekind (E) = E_Record_Type_With_Private
and then Nkind (Parent (E)) = N_Private_Extension_Declaration
and then (Synchronized_Present (Parent (E))
or else Is_Synchronized_Interface (Etype (E))));
end Is_Synchronized_Tagged_Type;