crtend.asm: Use C comments instead of #.

        * config/alpha/crtend.asm: Use C comments instead of #.
        * config/alpha/crtbegin.asm: Likewise.  Mark __dso_handle hidden.

        * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.

From-SVN: r33537

3 files changed, 133 insertions, 116 deletions

diff --git a/gcc/config/alpha/crtbegin.asm b/gcc/config/alpha/crtbegin.asm
index 4cc868d..cbeba99 100644
--- a/gcc/config/alpha/crtbegin.asm
+++ b/gcc/config/alpha/crtbegin.asm
@@ -1,42 +1,47 @@
- # Copyright (C) 1996, 1998 Free Software Foundation, Inc.
- #  Contributed by Richard Henderson (rth@tamu.edu)
- #
- # This file is free software; you can redistribute it and/or modify it
- # under the terms of the GNU General Public License as published by the
- # Free Software Foundation; either version 2, or (at your option) any
- # later version.
- # 
- # In addition to the permissions in the GNU General Public License, the
- # Free Software Foundation gives you unlimited permission to link the
- # compiled version of this file with other programs, and to distribute
- # those programs without any restriction coming from the use of this
- # file.  (The General Public License restrictions do apply in other
- # respects; for example, they cover modification of the file, and
- # distribution when not linked into another program.)
- # 
- # This file is distributed in the hope that it will be useful, but
- # WITHOUT 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
- # along with this program; see the 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 you link this library with files
- #    compiled with GCC to produce an executable, this does not 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 General Public License.
-
- #
- # Heads of the constructor/destructor lists.
- #
-
- # The __*TOR_LIST__ symbols are not global because when this file is used
- # in a shared library, we do not want the symbol to fall over to the
- # application's lists.
+/*
+ * Copyright (C) 1996, 1998, 2000 Free Software Foundation, Inc.
+ *  Contributed by Richard Henderson (rth@tamu.edu)
+ *
+ * This file is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ * 
+ * In addition to the permissions in the GNU General Public License, the
+ * Free Software Foundation gives you unlimited permission to link the
+ * compiled version of this file with other programs, and to distribute
+ * those programs without any restriction coming from the use of this
+ * file.  (The General Public License restrictions do apply in other
+ * respects; for example, they cover modification of the file, and
+ * distribution when not linked into another program.)
+ * 
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT 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
+ * along with this program; see the 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 you link this library with files
+ *    compiled with GCC to produce an executable, this does not 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 General Public License.
+ */
+
+#include "auto-host.h"
+
+
+/*
+ * Heads of the constructor/destructor lists.
+ */
+
+/* The __*TOR_LIST__ symbols are not global because when this file is used
+   in a shared library, we do not want the symbol to fall over to the
+   application's lists.  */
 
 .section .ctors,"aw"
 
@@ -53,29 +58,29 @@ __DTOR_LIST__:
 .section .eh_frame,"aw"
 __EH_FRAME_BEGIN__:
 
- #
- # Fragment of the ELF _fini routine that invokes our dtor cleanup.
- #
+/*
+ * Fragment of the ELF _fini routine that invokes our dtor cleanup.
+ */
 
 .section .fini,"ax"
 
-	# Since the bits of the _fini function are spread across many
-	# object files, each potentially with its own GP, we must
-	# assume we need to load ours.  Further, our .fini section
-	# can easily be more than 4MB away from our .text bits so we
-	# can't use bsr.
+	/* Since the bits of the _fini function are spread across many
+	   object files, each potentially with its own GP, we must
+	   assume we need to load ours.  Further, our .fini section
+	   can easily be more than 4MB away from our .text bits so we
+	   can't use bsr.  */
 
 	br      $29,1f
 1:	ldgp    $29,0($29)
 	jsr     $26,__do_global_dtors_aux
 
-	# Must match the alignment we got from crti.o else we get
-	# zero-filled holes in our _fini function and then SIGILL.
+	/* Must match the alignment we got from crti.o else we get
+	   zero-filled holes in our _fini function and then SIGILL.  */
 	.align 3
 
- #
- # Fragment of the ELF _init routine that sets up the frame info.
- #
+/*
+ * Fragment of the ELF _init routine that sets up the frame info.
+ */
 
 .section .init,"ax"
        br      $29,1f
@@ -83,19 +88,25 @@ __EH_FRAME_BEGIN__:
        jsr     $26,__do_frame_setup
        .align 3
 
- #
- # Invoke our destructors in order.
- #
+/*
+ * Invoke our destructors in order.
+ */
 
 .section .sdata
 
- # Support recursive calls to exit.
+/* Support recursive calls to exit.  */
 	.type dtor_ptr,@object
 	.size dtor_ptr,8
 dtor_ptr:
 	.quad	__DTOR_LIST__ + 8
 
- # A globally unique widget for c++ local destructors to hang off.
+/* A globally unique widget for c++ local destructors to hang off.
+
+   This has a unique value in every dso; in the main program its
+   value is zero.  The object should be protected.  This means the
+   instance in any dso or the main program is not used in any other
+   dso.  The dynamic linker takes care of this.  */
+ 
 	.global __dso_handle
 	.type __dso_handle,@object
 	.size __dso_handle,8
@@ -110,6 +121,9 @@ __dso_handle:
 __dso_handle:
 	.zero 8
 #endif
+#ifdef HAVE_GAS_HIDDEN
+	.hidden	__dso_handle
+#endif
 
 .text
 
@@ -126,7 +140,7 @@ __do_global_dtors_aux:
 	.prologue 1
 
 #ifdef SHARED
-	# Do c++ local destructors.
+	/* Do c++ local destructors.  */
 	lda	$1,__cxa_finalize
 	beq	$1,0f
 	lda	$16,__dso_handle
@@ -144,7 +158,7 @@ __do_global_dtors_aux:
 	addq    $1,8,$1
 	bne     $27,1b
 
-	# Remove our frame info.
+	/* Remove our frame info.  */
 	lda	$1,__deregister_frame_info
 	beq	$1,3f
 	lda	$16,__EH_FRAME_BEGIN__
@@ -158,11 +172,11 @@ __do_global_dtors_aux:
 
 	.end __do_global_dtors_aux
 
- #
- # Install our frame info.
- #
+/*
+ * Install our frame info.
+ */
 
- # ??? How can we rationally keep this size correct?
+/* ??? How can we rationally keep this size correct?  */
 
 .section .bss
 	.type frame_object,@object
diff --git a/gcc/config/alpha/crtend.asm b/gcc/config/alpha/crtend.asm
index d6eb406..662eb22 100644
--- a/gcc/config/alpha/crtend.asm
+++ b/gcc/config/alpha/crtend.asm
@@ -1,42 +1,44 @@
- # Copyright (C) 1996 Free Software Foundation, Inc.
- #  Contributed by Richard Henderson (rth@tamu.edu)
- #
- # This file is free software; you can redistribute it and/or modify it
- # under the terms of the GNU General Public License as published by the
- # Free Software Foundation; either version 2, or (at your option) any
- # later version.
- # 
- # In addition to the permissions in the GNU General Public License, the
- # Free Software Foundation gives you unlimited permission to link the
- # compiled version of this file with other programs, and to distribute
- # those programs without any restriction coming from the use of this
- # file.  (The General Public License restrictions do apply in other
- # respects; for example, they cover modification of the file, and
- # distribution when not linked into another program.)
- # 
- # This file is distributed in the hope that it will be useful, but
- # WITHOUT 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
- # along with this program; see the 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 you link this library with files
- #    compiled with GCC to produce an executable, this does not 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 General Public License.
-
- #
- # Tails of the constructor/destructor lists.
- #
-
- # The __*TOR_END__ symbols are not global because when this file is used
- # in a shared library, we do not want the symbol to fall over to the
- # application's lists.
+/*
+ * Copyright (C) 1996, 2000 Free Software Foundation, Inc.
+ *  Contributed by Richard Henderson (rth@tamu.edu)
+ *
+ * This file is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ * 
+ * In addition to the permissions in the GNU General Public License, the
+ * Free Software Foundation gives you unlimited permission to link the
+ * compiled version of this file with other programs, and to distribute
+ * those programs without any restriction coming from the use of this
+ * file.  (The General Public License restrictions do apply in other
+ * respects; for example, they cover modification of the file, and
+ * distribution when not linked into another program.)
+ * 
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT 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
+ * along with this program; see the 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 you link this library with files
+ *    compiled with GCC to produce an executable, this does not 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 General Public License.
+ */
+
+/*
+ * Tails of the constructor/destructor lists.
+ */
+
+/* The __*TOR_END__ symbols are not global because when this file is used
+   in a shared library, we do not want the symbol to fall over to the
+   application's lists.  */
 
 .section .ctors,"aw"
 
@@ -54,29 +56,29 @@ __DTOR_END__:
 __FRAME_END__:
 	.quad	0
 
- #
- # Fragment of the ELF _init routine that invokes our ctor startup
- #
+/*
+ * Fragment of the ELF _init routine that invokes our ctor startup
+ */
 
 .section .init,"ax"
 
-	# Since the bits of the _init function are spread across many
-	# object files, each potentially with its own GP, we must
-	# assume we need to load ours.  Further, our .init section
-	# can easily be more than 4MB away from our .text bits so we
-	# can't use bsr.
+	/* Since the bits of the _init function are spread across many
+	   object files, each potentially with its own GP, we must
+	   assume we need to load ours.  Further, our .init section
+	   can easily be more than 4MB away from our .text bits so we
+	   can't use bsr.  */
 
 	br      $29,1f
 1:	ldgp    $29,0($29)
 	jsr     $26,__do_global_ctors_aux
 
-	# Must match the alignment we got from crti.o else we get
-	# zero-filled holes in our _init function and thense SIGILL.
+	/* Must match the alignment we got from crti.o else we get
+	   zero-filled holes in our _init function and thense SIGILL.  */
 	.align 3
 
- #
- # Invoke our destructors in order.
- #
+/*
+ * Invoke our constructors in order.
+ */
 
 .text
 
diff --git a/gcc/config/alpha/elf.h b/gcc/config/alpha/elf.h
index 227c386..f67deca 100644
--- a/gcc/config/alpha/elf.h
+++ b/gcc/config/alpha/elf.h
@@ -338,7 +338,8 @@ void FN ()					\
       else								\
 	data_section ();						\
     }									\
-  else if (TREE_CODE (DECL) == VAR_DECL)				\
+  else if (TREE_CODE (DECL) == VAR_DECL					\
+	   || TREE_CODE (DECL) == CONSTRUCTOR)				\
     {									\
       if ((flag_pic && RELOC)						\
 	  || !TREE_READONLY (DECL) || TREE_SIDE_EFFECTS (DECL)		\