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riscv-gcc-1
Commit 10d1117c by Richard Henderson
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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
parent 5cebbd8d
Showing with 133 additions and 116 deletions
gcc/config/alpha/crtbegin.asm
# 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
......
gcc/config/alpha/crtend.asm
# 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
......
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) \
......
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