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-rw-r--r--lib/csu/i386/c++rt0.c107
1 files changed, 0 insertions, 107 deletions
diff --git a/lib/csu/i386/c++rt0.c b/lib/csu/i386/c++rt0.c
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index 39752d5..0000000
--- a/lib/csu/i386/c++rt0.c
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@@ -1,107 +0,0 @@
-/*
- * Copyright (c) 1993 Paul Kranenburg
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by Paul Kranenburg.
- * 4. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-/*
- * Run-time module for GNU C++ compiled shared libraries.
- *
- * The linker constructs the following arrays of pointers to global
- * constructors and destructors. The first element contains the
- * number of pointers in each.
- * The tables are also null-terminated.
- */
-extern void (*__CTOR_LIST__[])(void);
-extern void (*__DTOR_LIST__[])(void);
-
-static void
-__dtors(void)
-{
- unsigned long i = (unsigned long) __DTOR_LIST__[0];
- void (**p)(void) = __DTOR_LIST__ + i;
-
- while (i--)
- (**p--)();
-}
-
-static void
-__ctors(void)
-{
- void (**p)(void) = __CTOR_LIST__ + 1;
-
- while (*p)
- (**p++)();
-}
-
-extern void __init() asm(".init");
-extern void __fini() asm(".fini");
-
-void
-__init(void)
-{
- static int initialized = 0;
-
- /*
- * Call global constructors.
- * Arrange to call global destructors at exit.
- */
- if (!initialized) {
- initialized = 1;
- __ctors();
- }
-
-}
-
-void
-__fini(void)
-{
- __dtors();
-}
-
-/*
- * Make sure there is at least one constructor and one destructor in the
- * shared library. Otherwise, the linker does not realize that the
- * constructor and destructor lists are linker sets. It treats them as
- * commons and resolves them to the lists from the main program. That
- * causes multiple invocations of the main program's static constructors
- * and destructors, which is very bad.
- */
-
-static void
-do_nothing(void)
-{
-}
-
-/* Linker magic to add an element to a constructor or destructor list. */
-#define TEXT_SET(set, sym) \
- asm(".stabs \"_" #set "\", 23, 0, 0, _" #sym)
-
-TEXT_SET(__CTOR_LIST__, do_nothing);
-TEXT_SET(__DTOR_LIST__, do_nothing);
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