1 files changed, 92 insertions, 0 deletions
diff --git a/REORG.TODO/csu/gmon-start.c b/REORG.TODO/csu/gmon-start.c
new file mode 100644
index 0000000000..a1f92d5e1a
--- /dev/null
+++ b/REORG.TODO/csu/gmon-start.c
@@ -0,0 +1,92 @@
+/* Code to enable profiling at program startup.
+   Copyright (C) 1995-2017 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.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so.  The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sys/types.h>
+#include <sys/gmon.h>
+#include <stdlib.h>
+#include <unistd.h>
+#define __ASSEMBLY__
+#include <entry.h>
+
+/* Beginning and end of our code segment. We cannot declare them
+   as the external functions since we want the addresses of those
+   labels. Taking the address of a function may have different
+   meanings on different platforms. */
+#ifdef ENTRY_POINT_DECL
+ENTRY_POINT_DECL(extern)
+#else
+extern char ENTRY_POINT[];
+#endif
+extern char etext[];
+
+#ifndef TEXT_START
+# ifdef ENTRY_POINT_DECL
+#  define TEXT_START ENTRY_POINT
+# else
+#  define TEXT_START &ENTRY_POINT
+# endif
+#endif
+
+#ifdef GMON_START_ARRAY_SECTION
+static void __gmon_start__ (void);
+static void (*const gmon_start_initializer) (void)
+  __attribute__ ((used, section (GMON_START_ARRAY_SECTION))) = &__gmon_start__;
+static
+#else
+/* We cannot use the normal constructor mechanism to call
+   __gmon_start__ because gcrt1.o appears before crtbegin.o in the link.
+   Instead crti.o calls it specially.  */
+extern void __gmon_start__ (void);
+#endif
+
+void
+__gmon_start__ (void)
+{
+  /* Protect from being called more than once.  Since crti.o is linked
+     into every shared library, each of their init functions will call us.  */
+  static int called;
+
+  if (called)
+    return;
+
+  called = 1;
+
+  /* Start keeping profiling records.  */
+  __monstartup ((u_long) TEXT_START, (u_long) &etext);
+
+  /* Call _mcleanup before exiting; it will write out gmon.out from the
+     collected data.  */
+  atexit (&_mcleanup);
+}