/* $NetBSD: c++rt0.c,v 1.1 2000/05/09 21:55:45 bjh21 Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Paul Kranenburg. * * 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 the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ /* * 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. */ #include /* * We make the __{C,D}TOR_LIST__ symbols appear as type `SETD' and * include a dummy local function in the set. This keeps references * to these symbols local to the shared object this module is linked to. */ static void dummy __P((void)) { return; } /* Note: this is "a.out" dependent. */ __asm(".stabs \"___CTOR_LIST__\",22,0,0,_dummy"); __asm(".stabs \"___DTOR_LIST__\",22,0,0,_dummy"); #ifdef __arm32__ /* XXX ARM32_BROKEN_RELOCATIONS */ #define ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ #endif /* XXX ARM32_BROKEN_RELOCATIONS */ void (*__CTOR_LIST__[0]) __P((void)); void (*__DTOR_LIST__[0]) __P((void)); #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ static void __dtors __P((long)); /* XXX ARM32_BROKEN_RELOCATIONS */ static void __ctors __P((long)); /* XXX ARM32_BROKEN_RELOCATIONS */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ static void __dtors __P((void)); static void __ctors __P((void)); #endif static void #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ __dtors(base) /* XXX ARM32_BROKEN_RELOCATIONS */ long base; /* XXX ARM32_BROKEN_RELOCATIONS */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ __dtors() #endif { unsigned long i = (unsigned long) __DTOR_LIST__[0]; void (**p)(void) = __DTOR_LIST__ + i; while (i--) #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ (*(void (*)(void))((char *)(*p--) + base))(); /* XXX ... */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ (**p--)(); #endif } static void #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ __ctors(base) /* XXX ARM32_BROKEN_RELOCATIONS */ long base; /* XXX ARM32_BROKEN_RELOCATIONS */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ __ctors() #endif { unsigned long i = (unsigned long) __CTOR_LIST__[0]; void (**p)(void) = __CTOR_LIST__ + 1; while (i--) #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ (*(void (*)(void))((char *)(*p++) + base))(); /* XXX ... */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ (**p++)(); #endif } #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ extern void __init __P((long)) asm(".init"); /* XXX ARM32_BROKEN_RELOCATIONS */ extern void __fini __P((long)) asm(".fini"); /* XXX ARM32_BROKEN_RELOCATIONS */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ extern void __init __P((void)) asm(".init"); extern void __fini __P((void)) asm(".fini"); #endif void #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ __init(base) /* XXX ARM32_BROKEN_RELOCATIONS */ long base; /* XXX ARM32_BROKEN_RELOCATIONS */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ __init() #endif { static int initialized = 0; /* * Call global constructors. * Arrange to call global destructors at exit. */ if (!initialized) { initialized = 1; #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ __ctors(base); /* XXX ARM32_BROKEN_RELOCATIONS */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ __ctors(); #endif /* XXX ARM32_BROKEN_RELOCATIONS */ } } void #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ __fini(base) /* XXX ARM32_BROKEN_RELOCATIONS */ long base; /* XXX ARM32_BROKEN_RELOCATIONS */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ __fini() #endif /* XXX ARM32_BROKEN_RELOCATIONS */ { /* * Call global destructors. */ #ifdef ARM32_BROKEN_RELOCATIONS /* XXX ARM32_BROKEN_RELOCATIONS */ __dtors(base); /* XXX ARM32_BROKEN_RELOCATIONS */ #else /* XXX ARM32_BROKEN_RELOCATIONS */ __dtors(); #endif /* XXX ARM32_BROKEN_RELOCATIONS */ }