- # 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"
.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
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
__dso_handle:
.zero 8
#endif
+#ifdef HAVE_GAS_HIDDEN
+ .hidden __dso_handle
+#endif
.text
.prologue 1
#ifdef SHARED
- # Do c++ local destructors.
+ /* Do c++ local destructors. */
lda $1,__cxa_finalize
beq $1,0f
lda $16,__dso_handle
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__
.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
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