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[src/trunk]: src/lib/csu/common_elf Retire old crtbegin/crtend implementation...
details: https://anonhg.NetBSD.org/src/rev/604d64bda5b2
branches: trunk
changeset: 756912:604d64bda5b2
user: joerg <joerg%NetBSD.org@localhost>
date: Sat Aug 07 18:06:59 2010 +0000
description:
Retire old crtbegin/crtend implementation. It is not compatible with the
expectations of modern C++
diffstat:
lib/csu/common_elf/crtbegin.c | 206 -----------------------------------------
lib/csu/common_elf/crtbeginS.c | 3 -
lib/csu/common_elf/crtend.c | 30 -----
lib/csu/common_elf/crtendS.c | 3 -
4 files changed, 0 insertions(+), 242 deletions(-)
diffs (258 lines):
diff -r a6e1f997ad7c -r 604d64bda5b2 lib/csu/common_elf/crtbegin.c
--- a/lib/csu/common_elf/crtbegin.c Sat Aug 07 18:02:40 2010 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,206 +0,0 @@
-/* $NetBSD: crtbegin.c,v 1.29 2008/04/28 20:22:54 martin Exp $ */
-
-/*-
- * Copyright (c) 1998, 2001, 2002 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Paul Kranenburg, Ross Harvey, and Jason R. Thorpe.
- *
- * 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.
- *
- * 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 which handles constructors and destructors,
- * and NetBSD identification.
- *
- * The linker constructs the following arrays of pointers to global
- * constructors and destructors. The first element contains the
- * number of pointers in each or -1 to indicate that the run-time
- * code should figure out how many there are. The tables are also
- * null-terminated.
- */
-
-#include <sys/param.h>
-#include <sys/exec.h>
-#include <sys/exec_elf.h>
-#include <stdlib.h>
-
-/*
- * WE SHOULD BE USING GCC-SUPPLIED crtbegin.o FOR GCC 3.3 AND
- * LATER!!!
- */
-#if __GNUC_PREREQ__(3, 3)
-#error "Use GCC-supplied crtbegin.o"
-#endif
-
-#if __GNUC_PREREQ__(3, 0)
-#define USED_NOINLINE __attribute__((__used__,__noinline__))
-#else
-#define USED_NOINLINE __attribute__((__unused__))
-#endif
-
-#ifdef DWARF2_EH
-#include "dwarf2_eh.h"
-#endif
-#include <dot_init.h>
-
-static void (*__CTOR_LIST__[1])(void)
- __attribute__((section(".ctors"))) = { (void *)-1 }; /* XXX */
-static void (*__DTOR_LIST__[1])(void)
- __attribute__((section(".dtors"))) = { (void *)-1 }; /* XXX */
-
-#ifdef DWARF2_EH
-static __EH_FRAME_CONST char __EH_FRAME_BEGIN__[]
- __attribute__((section(".eh_frame"), aligned(4))) = { };
-#endif
-
-#if defined(JCR) && defined(__GNUC__)
-extern void _Jv_RegisterClasses(void *) __attribute__((weak));
-
-static void *__JCR_LIST__[]
- __attribute__((section(".jcr"))) = { };
-#endif
-
-#if defined(DSO_HANDLE) && defined(__GNUC__)
-/*
- * The __dso_handle variable is used to hang C++ local destructors off
- * of. In the main program (i.e. using crtbegin.o), the value is 0.
- * In shared objects (i.e. using crtbeginS.o), the value must be unique.
- * The symbol is hidden, but the dynamic linker will still relocate it.
- */
-#ifdef SHARED
-void *__dso_handle = &__dso_handle;
-#else
-void *__dso_handle = NULL;
-#endif
-__asm(".hidden __dso_handle");
-
-#ifdef SHARED
-extern void __cxa_finalize(void *) __attribute__((weak));
-#endif
-#endif
-
-#ifndef MD_CALL_STATIC_FUNCTION
-#if defined(__GNUC__)
-#define MD_CALL_STATIC_FUNCTION(section, func) \
-static void __attribute__((__unused__)) \
-__call_##func(void) \
-{ \
- __asm volatile (".section " #section); \
- func(); \
- __asm volatile (".previous"); \
-}
-#else
-#error Need MD_CALL_STATIC_FUNCTION
-#endif
-#endif /* ! MD_CALL_STATIC_FUNCTION */
-
-static void
-__ctors(void)
-{
- unsigned long i = (unsigned long) __CTOR_LIST__[0];
- void (**p)(void);
-
- if (i == (unsigned long) -1) {
- for (i = 1; __CTOR_LIST__[i] != NULL; i++)
- ;
- i--;
- }
- p = __CTOR_LIST__ + i;
- while (i--)
- (**p--)();
-}
-
-static void
-__dtors(void)
-{
- void (**p)(void) = __DTOR_LIST__ + 1;
-
- while (*p)
- (**p++)();
-}
-
-static void USED_NOINLINE
-__do_global_ctors_aux(void)
-{
- static int initialized;
-#ifdef DWARF2_EH
-#if defined(__GNUC__)
- static struct dwarf2_eh_object object;
-#endif /* __GNUC__ */
-#endif /* DWARF2_EH */
-
- if (!initialized) {
- initialized = 1;
-
-#ifdef DWARF2_EH
-#if defined(__GNUC__)
- if (__register_frame_info != NULL)
- __register_frame_info(__EH_FRAME_BEGIN__, &object);
-#endif /* __GNUC__ */
-#endif /* DWARF2_EH */
-
-#if defined(JCR) && defined(__GNUC__)
- if (__JCR_LIST__[0] != NULL && _Jv_RegisterClasses != NULL)
- _Jv_RegisterClasses(__JCR_LIST__);
-#endif /* JCR && __GNUC__ */
-
- /*
- * Call global constructors.
- */
- __ctors();
- }
-}
-MD_CALL_STATIC_FUNCTION(.init, __do_global_ctors_aux)
-
-static void USED_NOINLINE
-__do_global_dtors_aux(void)
-{
- static int finished;
-
- if (finished)
- return;
-
-#if defined(DSO_HANDLE) && defined(__GNUC__) && defined(SHARED)
- /*
- * Call local destructors.
- */
- if (__cxa_finalize != NULL)
- __cxa_finalize(__dso_handle);
-#endif /* DSO_HANDLE && __GNUC__ && SHARED */
-
- /*
- * Call global destructors.
- */
- __dtors();
-
-#ifdef DWARF2_EH
-#if defined(__GNUC__)
- if (__deregister_frame_info != NULL)
- __deregister_frame_info(__EH_FRAME_BEGIN__);
-#endif /* __GNUC__ */
-#endif /* DWARF2_EH */
-
- finished = 1;
-}
-MD_CALL_STATIC_FUNCTION(.fini, __do_global_dtors_aux)
diff -r a6e1f997ad7c -r 604d64bda5b2 lib/csu/common_elf/crtbeginS.c
--- a/lib/csu/common_elf/crtbeginS.c Sat Aug 07 18:02:40 2010 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,3 +0,0 @@
-/* $NetBSD: crtbeginS.c,v 1.1 2003/03/19 04:31:41 ross Exp $ */
-
-#include "crtbegin.c"
diff -r a6e1f997ad7c -r 604d64bda5b2 lib/csu/common_elf/crtend.c
--- a/lib/csu/common_elf/crtend.c Sat Aug 07 18:02:40 2010 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,30 +0,0 @@
-/* $NetBSD: crtend.c,v 1.12 2006/05/19 19:11:12 christos Exp $ */
-
-#include <sys/cdefs.h>
-#include <dot_init.h>
-
-/*
- * WE SHOULD BE USING GCC-SUPPLIED crtend.o FOR GCC 3.3 AND
- * LATER!!!
- */
-#if __GNUC_PREREQ__(3, 3)
-#error "Use GCC-supplied crtend.o"
-#endif
-
-static void (*__CTOR_LIST__[1]) __P((void))
- __attribute__((__unused__))
- __attribute__((section(".ctors"))) = { (void *)0 }; /* XXX */
-static void (*__DTOR_LIST__[1]) __P((void))
- __attribute__((__unused__))
- __attribute__((section(".dtors"))) = { (void *)0 }; /* XXX */
-
-#ifdef DWARF2_EH
-static unsigned int __FRAME_END__[]
- __attribute__((__unused__))
- __attribute__((section(".eh_frame"))) = { 0 };
-#endif
-
-#if defined(JCR) && defined(__GNUC__)
-static void *__JCR_END__[1]
- __attribute__((__unused__, section(".jcr"))) = { (void *) 0 };
-#endif
diff -r a6e1f997ad7c -r 604d64bda5b2 lib/csu/common_elf/crtendS.c
--- a/lib/csu/common_elf/crtendS.c Sat Aug 07 18:02:40 2010 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,3 +0,0 @@
-/* $NetBSD: crtendS.c,v 1.1 2003/03/19 04:31:41 ross Exp $ */
-
-#include "crtend.c"
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