[multiple changes]

2015-10-20  Bob Duff  <duff@adacore.com>

	* a-coinve.adb, a-contai.adb: Update comments.
	* pprint.ads: Minor reformatting.

2015-10-20  Tristan Gingold  <gingold@adacore.com>

	* env.c, init.c: Handle arm64-darwin like arm-darwin.
	* tracebak.c: Handle arm64-darwin.

2015-10-20  Bob Duff  <duff@adacore.com>

	* s-trasym.adb (Symbolic_Traceback): When giving the traceback
	as hexadecimal code addresses, separate by blanks instead of LF.

From-SVN: r229039

gcc/ada/ChangeLog

+2015-10-20  Bob Duff  <duff@adacore.com>
+
+	* a-coinve.adb, a-contai.adb: Update comments.
+	* pprint.ads: Minor reformatting.
+
+2015-10-20  Tristan Gingold  <gingold@adacore.com>
+
+	* env.c, init.c: Handle arm64-darwin like arm-darwin.
+	* tracebak.c: Handle arm64-darwin.
+
+2015-10-20  Bob Duff  <duff@adacore.com>
+
+	* s-trasym.adb (Symbolic_Traceback): When giving the traceback
+	as hexadecimal code addresses, separate by blanks instead of LF.
+
 2015-10-20  Ed Schonberg  <schonberg@adacore.com>
 
 	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Generate freeze

gcc/ada/a-coinve.adb

@@ -750,7 +750,9 @@ package body Ada.Containers.Indefinite_Vectors is
    end Finalize;
 
    procedure Finalize (Object : in out Iterator) is
+      pragma Warnings (Off);
       pragma Assert (T_Check); -- not called if check suppressed
+      pragma Warnings (On);
    begin
       Unbusy (Object.Container.TC);
    end Finalize;

gcc/ada/a-contai.adb

@@ -37,6 +37,7 @@ package body Ada.Containers is
 
       procedure Adjust (Control : in out Reference_Control_Type) is
          pragma Warnings (Off);
+         --  GNAT warns here if checks are turned off, but assertions on
          pragma Assert (T_Check); -- not called if check suppressed
          pragma Warnings (On);
       begin

gcc/ada/env.c

@@ -50,7 +50,7 @@
 #include <stdlib.h>
 #endif
 
-#if defined (__APPLE__) && !defined (__arm__)
+#if defined (__APPLE__) && !(defined (__arm__) || defined (__arm64__))
 /* On Darwin, _NSGetEnviron must be used for shared libraries; but it is not
    available on iOS.  */
 #include <crt_externs.h>
@@ -211,7 +211,7 @@ __gnat_environ (void)
 #elif defined (__sun__)
   extern char **_environ;
   return _environ;
-#elif defined (__APPLE__) && !defined (__arm__)
+#elif defined (__APPLE__) && !(defined (__arm__) || defined (__arm64__))
   return *_NSGetEnviron ();
 #elif ! (defined (__vxworks))
   extern char **environ;

gcc/ada/init.c

@@ -2234,7 +2234,7 @@ char __gnat_alternate_stack[32 * 1024]; /* 1 * MINSIGSTKSZ */
    Tell the kernel to re-use alt stack when delivering a signal.  */
 #define	UC_RESET_ALT_STACK	0x80000000
 
-#ifndef __arm__
+#if !(defined (__arm__) || defined (__arm64__))
 #include <mach/mach_vm.h>
 #include <mach/mach_init.h>
 #include <mach/vm_statistics.h>
@@ -2244,7 +2244,7 @@ char __gnat_alternate_stack[32 * 1024]; /* 1 * MINSIGSTKSZ */
 static int
 __gnat_is_stack_guard (mach_vm_address_t addr)
 {
-#ifndef __arm__
+#if !(defined (__arm__) || defined (__arm64__))
   kern_return_t kret;
   vm_region_submap_info_data_64_t info;
   mach_vm_address_t start;

gcc/ada/pprint.ads

@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 2008-2012, Free Software Foundation, Inc.         --
+--          Copyright (C) 2008-2015, 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- --
@@ -41,15 +41,14 @@ package Pprint is
       with function String_Image (S : String_Id) return String;
       with function Ident_Image (Expr        : Node_Id;
                                  Orig_Expr   : Node_Id;
-                                 Expand_Type : Boolean)
-                                 return String;
+                                 Expand_Type : Boolean) return String;
       --  Will be called for printing N_Identifier and N_Defining_Identifier
       --  nodes
       --  ??? Expand_Type argument should be removed
 
-   function Expression_Image (Expr              : Node_Id;
-                              Default           : String)
-                              return String;
+   function Expression_Image
+     (Expr    : Node_Id;
+      Default : String) return String;
    --  Given a Node for an expression, return a String that is meaningful for
    --  the programmer. If the expression comes from source, it is copied from
    --  there.

gcc/ada/s-trasym.adb

@@ -30,8 +30,8 @@
 ------------------------------------------------------------------------------
 
 --  This is the default implementation for platforms where the full capability
---  is not supported. It returns tracebacks as lists of LF separated strings of
---  the form "0x..." corresponding to the addresses.
+--  is not supported. It returns tracebacks as lists of hexadecimal addresses
+--  of the form "0x...".
 
 pragma Polling (Off);
 --  We must turn polling off for this unit, because otherwise we can get
@@ -67,9 +67,10 @@ package body System.Traceback.Symbolic is
                Last := Last + 2;
                Result (Last + 1 .. Last + Img'Length) := Img;
                Last := Last + Img'Length + 1;
-               Result (Last) := ASCII.LF;
+               Result (Last) := ' ';
             end loop;
 
+            Result (Last) := ASCII.LF;
             return Result (1 .. Last);
          end;
       end if;

gcc/ada/tracebak.c

@@ -274,6 +274,8 @@ __gnat_backtrace (void **array,
 #define PC_ADJUST -4
 #elif defined (__arm__)
 #define PC_ADJUST -2
+#elif defined (__arm64__)
+#define PC_ADJUST -4
 #else
 #error Unhandled darwin architecture.
 #endif