@@ -2698,6 +2698,7 @@ esac
case ${target} in
i[34567]86-*-linux* | x86_64-*-linux*)
tmake_file="${tmake_file} i386/t-pmm_malloc i386/t-i386"
+ use_initfini_array=yes
;;
i[34567]86-*-* | x86_64-*-*)
tmake_file="${tmake_file} i386/t-gmm_malloc i386/t-i386"
@@ -3050,6 +3051,16 @@ if test x$with_schedule = x; then
esac
fi
+# Support --enable-initfini-array. Use initfini-array.h only if
+# use_initfini_array is also set to yes. Some platforms don't need it
+# even if enable_initfini_array is yes.
+if test x$enable_initfini_array$use_initfini_array = xyesyes; then
+ tm_file="${tm_file} initfini-array.h"
+ tmake_file="${tmake_file} t-initfini-array"
+ extra_objs="$extra_objs initfini-array.o"
+ target_gtfiles="$target_gtfiles \$(srcdir)/config/initfini-array.c"
+fi
+
# Validate and mark as valid any --with options supported
# by this target. In order to use a particular --with option
# you must list it in supported_defaults; validating the value
new file mode 100644
@@ -0,0 +1,79 @@
+/* Definitions for ELF systems with .init_array/.fini_array section
+ Copyright (C) 2010
+ Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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 3, or (at your option) any later
+version.
+
+GCC 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 GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "target.h"
+#include "output.h"
+#include "tree.h"
+#include "ggc.h"
+
+static GTY(()) section *init_array_section;
+static GTY(()) section *fini_array_section;
+
+void
+elf_initfini_array_init_sections (void)
+{
+ init_array_section = get_unnamed_section (0, output_section_asm_op,
+ "\t.section\t.init_array");
+ fini_array_section = get_unnamed_section (0, output_section_asm_op,
+ "\t.section\t.fini_array");
+}
+
+static section *
+get_elf_initfini_array_priority_section (int priority,
+ bool constructor_p)
+{
+ section *sec;
+ if (priority != DEFAULT_INIT_PRIORITY)
+ {
+ char buf[18];
+ sprintf (buf, "%s.%.5u",
+ constructor_p ? ".init_array" : ".fini_array",
+ priority);
+ sec = get_section (buf, SECTION_WRITE, NULL_TREE);
+ }
+ else
+ sec = constructor_p ? init_array_section : fini_array_section;
+ return sec;
+}
+
+/* Use .init_array section for constructors. */
+
+void
+elf_init_array_asm_out_constructor (rtx symbol, int priority)
+{
+ section *sec = get_elf_initfini_array_priority_section (priority,
+ true);
+ assemble_addr_to_section (symbol, sec);
+}
+
+/* Use .fini_array section for destructors. */
+
+void
+elf_fini_array_asm_out_destructor (rtx symbol, int priority)
+{
+ section *sec = get_elf_initfini_array_priority_section (priority,
+ false);
+ assemble_addr_to_section (symbol, sec);
+}
+
+#include "gt-initfini-array.h"
new file mode 100644
@@ -0,0 +1,33 @@
+/* Definitions for ELF systems with .init_array/.fini_array section
+ support.
+ Copyright (C) 2010
+ Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+ GCC 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 3, or (at your
+ option) any later version.
+
+ GCC 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 GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef TARGET_ASM_INIT_SECTIONS
+#define TARGET_ASM_INIT_SECTIONS elf_initfini_array_init_sections
+#endif
+extern void elf_initfini_array_init_sections (void);
+
+/* Use .init_array/.fini_array section for constructors and destructors. */
+#undef TARGET_ASM_CONSTRUCTOR
+#define TARGET_ASM_CONSTRUCTOR elf_init_array_asm_out_constructor
+#undef TARGET_ASM_DESTRUCTOR
+#define TARGET_ASM_DESTRUCTOR elf_fini_array_asm_out_destructor
+extern void elf_init_array_asm_out_constructor (rtx, int);
+extern void elf_fini_array_asm_out_destructor (rtx, int);
new file mode 100644
@@ -0,0 +1,23 @@
+# Copyright (C) 2010
+# 2009 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC 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 3, or (at your option)
+# any later version.
+#
+# GCC 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 GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+initfini-array.o: $(srcdir)/config/initfini-array.c gt-initfini-array.h \
+ $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TARGET_H) output.h \
+ $(TREE_H) $(GCC_H)
+ $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $<