1 files changed, 100 insertions, 0 deletions
diff --git a/sysdeps/x86_64/elf/initfini.c b/sysdeps/x86_64/elf/initfini.c
new file mode 100644
index 0000000000..b0638aca2f
--- /dev/null
+++ b/sysdeps/x86_64/elf/initfini.c
@@ -0,0 +1,100 @@
+/* Special .init and .fini section support for x86-64.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   In addition to the permissions in the GNU Lesser 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 GNU Lesser 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.)
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* This file is compiled into assembly code which is then munged by a sed
+   script into two files: crti.s and crtn.s.
+
+   * crti.s puts a function prologue at the beginning of the
+   .init and .fini sections and defines global symbols for
+   those addresses, so they can be called as functions.
+
+   * crtn.s puts the corresponding function epilogues
+   in the .init and .fini sections. */
+
+__asm__ ("\n\
+#include \"defs.h\"\n\
+\n\
+/*@HEADER_ENDS*/\n\
+\n\
+/*@_init_PROLOG_BEGINS*/\n\
+	.align 4\n\
+	.type	call_gmon_start,@function\n\
+call_gmon_start:\n\
+	subq	$8, %rsp\n\
+	movq	__gmon_start__@GOTPCREL(%rip), %rax\n\
+	testq	%rax, %rax\n\
+	je	.L22\n\
+	call	*%rax\n\
+.L22:\n\
+	addq	$8, %rsp\n\
+	ret\n\
+\n\
+	.section .init\n\
+	.align 4\n\
+.globl _init\n\
+	.type	_init,@function\n\
+_init:\n\
+	subq	$8, %rsp\n\
+	/* call	call_gmon_start */\n\
+	ALIGN\n\
+	END_INIT\n\
+\n\
+/*@_init_PROLOG_ENDS*/\n\
+\n\
+/*@_init_EPILOG_BEGINS*/\n\
+	.section .init\n\
+	addq	$8, %rsp\n\
+	ret\n\
+	END_INIT\n\
+\n\
+/*@_init_EPILOG_ENDS*/\n\
+\n\
+/*@_fini_PROLOG_BEGINS*/\n\
+	.section .fini\n\
+	.align 4\n\
+.globl _fini\n\
+	.type	_fini,@function\n\
+_fini:\n\
+	subq	$8, %rsp\n\
+	ALIGN\n\
+	END_FINI\n\
+\n\
+/*@_fini_PROLOG_ENDS*/\n\
+	call	i_am_not_a_leaf@PLT\n\
+\n\
+/*@_fini_EPILOG_BEGINS*/\n\
+	.section .fini\n\
+	addq	$8, %rsp\n\
+	ret\n\
+	END_FINI\n\
+\n\
+/*@_fini_EPILOG_ENDS*/\n\
+\n\
+/*@TRAILER_BEGINS*/\n\
+	.weak	__gmon_start__\n\
+");