Remnant code (broken, unhooked) from a.out which I missed.

Noticed by:	ru

3 files changed, 0 insertions, 527 deletions

diff --git a/lib/csu/i386/Makefile b/lib/csu/i386/Makefile
deleted file mode 100644
index 219f3c6..0000000
--- a/lib/csu/i386/Makefile
+++ /dev/null
@@ -1,59 +0,0 @@
-#	from: @(#)Makefile	5.6 (Berkeley) 5/22/91
-# $FreeBSD$
-
-CFLAGS+=        -DLIBC_SCCS -fno-omit-frame-pointer \
-		-I${.CURDIR}/../../libc/include
-OBJS=		crt0.o c++rt0.o gcrt0.o scrt0.o sgcrt0.o
-CLEANFILES=	a.out crt0.o.tmp c++rt0.o.tmp gcrt0.o.tmp scrt0.o.tmp \
-		sgcrt0.o.tmp
-
-all: ${OBJS}
-
-crt0.o: crt0.c
-	${CC} ${CFLAGS} -c -DCRT0 -DDYNAMIC ${.CURDIR}/crt0.c -o ${.TARGET}
-	${LD} -o ${.TARGET}.tmp -x -r ${.TARGET}
-	@mv ${.TARGET}.tmp ${.TARGET}
-
-c++rt0.o: c++rt0.c
-	${CC} ${CFLAGS} -fpic -c ${.CURDIR}/c++rt0.c
-	@${LD} -o ${.TARGET}.tmp -x -r ${.TARGET}
-	@mv ${.TARGET}.tmp ${.TARGET}
-
-#
-# gcrt0.o doesn't really depend on crt0.o, but this is the easiest way
-# to get the dependencies mostly correct.
-#
-gcrt0.o: crt0.o
-	${CC} ${CFLAGS} -c -DMCRT0 -DDYNAMIC ${.CURDIR}/crt0.c -o ${.TARGET}
-	@${LD} -o ${.TARGET}.tmp -x -r ${.TARGET}
-	@mv ${.TARGET}.tmp ${.TARGET}
-
-# dependencies fudged as for gcrt0.o
-scrt0.o: crt0.o
-	${CC} ${CFLAGS} -c -DCRT0 ${.CURDIR}/crt0.c -o ${.TARGET}
-	@${LD} -o ${.TARGET}.tmp -x -r ${.TARGET}
-	@mv ${.TARGET}.tmp ${.TARGET}
-
-# dependencies fudged as for gcrt0.o
-sgcrt0.o: scrt0.o
-	${CC} ${CFLAGS} -c -DMCRT0 ${.CURDIR}/crt0.c -o ${.TARGET}
-	@${LD} -o ${.TARGET}.tmp -x -r ${.TARGET}
-	@mv ${.TARGET}.tmp ${.TARGET}
-
-realinstall:
-	${INSTALL} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
-		${DESTDIR}${LIBDIR}
-
-depend:	.depend
-
-.depend:	crt0.c c++rt0.c
-	rm -f .depend
-	mkdep ${CFLAGS} -DCRT0 -DDYNAMIC ${.CURDIR}/crt0.c
-	mkdep -a ${CFLAGS} ${.CURDIR}/c++rt0.c
-
-cleandepend:
-	rm -f .depend
-
-lint tags:
-
-.include <bsd.prog.mk>
diff --git a/lib/csu/i386/c++rt0.c b/lib/csu/i386/c++rt0.c
deleted file mode 100644
index 39752d5..0000000
--- a/lib/csu/i386/c++rt0.c
+++ /dev/null
@@ -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);
diff --git a/lib/csu/i386/crt0.c b/lib/csu/i386/crt0.c
deleted file mode 100644
index 49431d9..0000000
--- a/lib/csu/i386/crt0.c
+++ /dev/null
@@ -1,361 +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.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-
-#include <stdlib.h>
-
-#ifdef DYNAMIC
-#include <sys/types.h>
-#include <sys/syscall.h>
-#include <sys/mman.h>
-
-#include <a.out.h>
-#include <link.h>
-#include <string.h>
-
-#include "libc_private.h"
-
-/* !!!
- * This is gross, ld.so is a ZMAGIC a.out, but has `sizeof(hdr)' for
- * an entry point and not at PAGSIZ as the N_*ADDR macros assume.
- */
-#undef N_DATADDR
-#define N_DATADDR(x)	((x).a_text)
-
-#undef N_BSSADDR
-#define N_BSSADDR(x)	((x).a_text + (x).a_data)
-
-#ifndef N_GETMAGIC
-#define N_GETMAGIC(x)	((x).a_magic)
-#endif /* N_GETMAGIC */
-
-#ifndef	MAP_PRIVATE
-#define MAP_PRIVATE	MAP_COPY
-#endif /* MAP_PRIVATE */
-
-#ifndef MAP_FILE
-#define MAP_FILE	0
-#endif /* MAP_FILE */
-
-#ifndef MAP_ANON
-#define MAP_ANON	0
-#endif /* MAP_ANON */
-
-#ifdef DEBUG 
-/*
- * We need these two because we are going to call them before the ld.so is
- * finished (as a matter of fact before we know if it exists !) so we must
- * provide these versions for them
- */
-static char		*_getenv();
-static int		_strncmp();
-#endif /* DEBUG */
-
-#ifndef LDSO
-#define LDSO		"/usr/libexec/ld.so"
-#endif /* LDSO */
-
-extern struct _dynamic	_DYNAMIC;
-static void		__do_dynamic_link(char **argv);
-#endif /* DYNAMIC */
-
-int			_callmain();
-int			errno;
-const char		*__progname = "";
-char			**environ;
-
-/* Globals used by dlopen() and related functions in libc */
-struct ld_entry		*__ldso_entry;
-int			__ldso_version;
-
-extern	unsigned char	etext;
-extern	unsigned char	eprol asm ("eprol");
-extern			start() asm("start");
-extern			mcount() asm ("mcount");
-extern	int		main(int argc, char **argv, char **envp);
-int			__syscall(int syscall,...);
-#ifdef MCRT0
-void			monstartup(void *low, void *high);
-#endif /* MCRT0 */
-
-
-/*
- * We need these system calls, but can't use library stubs because the are
- * not accessible until we have done the ld.so stunt.
- */
-
-#define _exit(v) \
-	__syscall(SYS_exit, (int)(v))
-#define _open(name, f, m) \
-	__syscall(SYS_open, (const char *)(name), (int)(f), (int)(m))
-#define _read(fd, s, n) \
-	__syscall(SYS_read, (int)(fd), (void *)(s), (size_t)(n))
-#define _write(fd, s, n) \
-	__syscall(SYS_write, (int)(fd), (const void *)(s), (size_t)(n))
-#define _mmap(addr, len, prot, flags, fd, off)	\
-	(void *) __syscall(SYS_mmap, (void *)(addr), (size_t)(len), \
-		(int)(prot), (int)(flags), (int)(fd), 0, (off_t)(off))
-
-#define _PUTNMSG(str, len)	_write(2, (str), (len))
-#define _PUTMSG(str)		_PUTNMSG((str), sizeof (str) - 1)
-#define _FATAL(str)		( _PUTMSG(str), _exit(1) )
-
-
-int
-start()
-{
-	struct kframe {
-		int	kargc;
-		char	*kargv[1];	/* size depends on kargc */
-		char	kargstr[1];	/* size varies */
-		char	kenvstr[1];	/* size varies */
-	};
-	/*
-	 *	ALL REGISTER VARIABLES!!!
-	 */
-	register struct kframe *kfp;
-	register char **targv;
-	register char **argv;
-	register const char *s;
-	extern void _mcleanup();
-#ifdef DYNAMIC
-	volatile caddr_t x;
-#endif
-
-#ifdef lint
-	kfp = 0;
-#else /* not lint */
-	/* just above the saved frame pointer */
-	asm ("lea 4(%%ebp), %0" : "=r" (kfp) );
-#endif /* not lint */
-	for (argv = targv = &kfp->kargv[0]; *targv++; /* void */)
-		/* void */ ;
-	if (targv >= (char **)(*argv))
-		--targv;
-	environ = targv;
-
-	if (argv[0]) {
-		__progname = argv[0];
-		for (s=__progname; *s != '\0'; s++)
-			if (*s == '/')
-				__progname = s+1;
-	}
-
-#ifdef DYNAMIC
-	/* ld(1) convention: if DYNAMIC = 0 then statically linked */
-	/* sometimes GCC is too smart/stupid for its own good */
-	x = (caddr_t)&_DYNAMIC;
-	if (x)
-		__do_dynamic_link(argv);
-#endif /* DYNAMIC */
-
-asm("eprol:");
-
-#ifdef MCRT0
-	atexit(_mcleanup);
-	monstartup(&eprol, &etext);
-#endif /* MCRT0 */
-
-asm ("__callmain:");		/* Defined for the benefit of debuggers */
-	exit(main(kfp->kargc, argv, environ));
-}
-
-#ifdef DYNAMIC
-static void
-__do_dynamic_link(argv)
-	char	**argv;
-{
-	struct crt_ldso	crt;
-	struct exec	hdr;
-	char		*ldso;
-	int		(*entry)();
-
-#ifdef DEBUG
-	/* Provision for alternate ld.so - security risk! */
-	if (!(ldso = _getenv("LDSO")))
-#endif
-		ldso = LDSO;
-
-	crt.crt_ldfd = _open(ldso, 0, 0);
-	if (crt.crt_ldfd == -1) {
-		_PUTMSG("Couldn't open ");
-		_PUTMSG(LDSO);
-		_FATAL(".\n");
-	}
-
-	/* Read LDSO exec header */
-	if (_read(crt.crt_ldfd, &hdr, sizeof hdr) < sizeof hdr) {
-		_FATAL("Failure reading ld.so\n");
-	}
-	if ((N_GETMAGIC_NET(hdr) != ZMAGIC) && (N_GETMAGIC(hdr) != QMAGIC)) {
-		_FATAL("Bad magic: ld.so\n");
-	}
-
-	/* We use MAP_ANON */
-	crt.crt_dzfd = -1;
-
-	/* Map in ld.so */
-	crt.crt_ba = (int)_mmap(0, hdr.a_text,
-			PROT_READ|PROT_EXEC,
-			MAP_FILE|MAP_PRIVATE,
-			crt.crt_ldfd, N_TXTOFF(hdr));
-	if (crt.crt_ba == -1) {
-		_FATAL("Cannot map ld.so (text)\n");
-	}
-
-	/* Map in data segment of ld.so writable */
-	if ((int)_mmap((caddr_t)(crt.crt_ba+N_DATADDR(hdr)), hdr.a_data,
-			PROT_READ|PROT_WRITE,
-			MAP_FIXED|MAP_FILE|MAP_PRIVATE,
-			crt.crt_ldfd, N_DATOFF(hdr)) == -1) {
-		_FATAL("Cannot map ld.so (data)\n");
-	}
-
-	/* Map bss segment of ld.so zero */
-	if (hdr.a_bss && (int)_mmap((caddr_t)(crt.crt_ba+N_BSSADDR(hdr)),
-			hdr.a_bss,
-			PROT_READ|PROT_WRITE,
-			MAP_FIXED|MAP_ANON|MAP_PRIVATE,
-			crt.crt_dzfd, 0) == -1) {
-		_FATAL("Cannot map ld.so (bss)\n");
-	}
-
-	crt.crt_dp = &_DYNAMIC;
-	crt.crt_ep = environ;
-	crt.crt_bp = (caddr_t)_callmain;
-	crt.crt_prog = __progname;
-	crt.crt_ldso = ldso;
-	crt.crt_ldentry = NULL;
-	crt.crt_argv = argv;
-
-	entry = (int (*)())(crt.crt_ba + sizeof hdr);
-	__ldso_version = (*entry)(CRT_VERSION_BSD_5, &crt);
-	__ldso_entry = crt.crt_ldentry;
-	if (__ldso_version == -1 && __ldso_entry == NULL) {
-		/* If version 5 not recognised, try version 4 */
-		__ldso_version = (*entry)(CRT_VERSION_BSD_4, &crt);
-		__ldso_entry = crt.crt_ldentry;
-		if (__ldso_version == -1 && __ldso_entry == NULL) {
-			/* if version 4 not recognised, try version 3 */
-			__ldso_version = (*entry)(CRT_VERSION_BSD_3, &crt);
-			__ldso_entry = _DYNAMIC.d_entry;
-		}
-	}
-	if (__ldso_version == -1) {
-		_PUTMSG("ld.so failed");
-		if (__ldso_entry != NULL) {
-			const char *msg = (__ldso_entry->dlerror)();
-			if(msg != NULL) {
-				const char *endp;
-				_PUTMSG(": ");
-				for(endp = msg;  *endp != '\0';  ++endp)
-					;	/* Find the end */
-				_PUTNMSG(msg, endp - msg);
-			}
-		}
-		_FATAL("\n");
-	}
-
-
-	if (__ldso_version >= LDSO_VERSION_HAS_DLEXIT)
-		atexit(__ldso_entry->dlexit);
-
-	return;
-}
-
-/*
- * Support routines
- */
-
-#ifdef DEBUG
-static int
-_strncmp(s1, s2, n)
-	register char *s1, *s2;
-	register n;
-{
-
-	if (n == 0)
-		return (0);
-	do {
-		if (*s1 != *s2++)
-			return (*(unsigned char *)s1 - *(unsigned char *)--s2);
-		if (*s1++ == 0)
-			break;
-	} while (--n != 0);
-	return (0);
-}
-
-static char *
-_getenv(name)
-	register char *name;
-{
-	extern char **environ;
-	register int len;
-	register char **P, *C;
-
-	for (C = name, len = 0; *C && *C != '='; ++C, ++len);
-	for (P = environ; *P; ++P)
-		if (!_strncmp(*P, name, len))
-			if (*(C = *P + len) == '=') {
-				return(++C);
-			}
-	return (char *)0;
-}
-
-#endif /* DEBUG */
-
-	asm("	___syscall:");
-	asm("		popl %ecx");
-	asm("		popl %eax");
-	asm("		pushl %ecx");
-	asm("		.byte 0x9a");
-	asm("		.long 0");
-	asm("		.word 7");
-	asm("		pushl %ecx");
-	asm("		jc 1f");
-	asm("		ret");
-	asm("	1:");
-	asm("		movl	$-1,%eax");
-	asm("		ret");
-
-#endif /* DYNAMIC */
-
-
-/*
- * Support routines
- */
-
-#ifdef MCRT0
-asm ("	.text");
-asm ("_eprol:");
-#endif