bye

1 files changed, 0 insertions, 237 deletions

diff --git a/usr.sbin/dbsym/dbsym.c b/usr.sbin/dbsym/dbsym.c
deleted file mode 100644
index 940d10b8a2e..00000000000
--- a/usr.sbin/dbsym/dbsym.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * Copyright (c) 1994 Gordon W. Ross
- * 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. 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.
- *
- *	$Id: dbsym.c,v 1.2 1997/11/17 11:36:33 kstailey Exp $
- */
-
-/* Copy the symbol table into the space reserved for it. */
-
-#include <sys/types.h>
-#include <sys/file.h>
-#include <sys/mman.h>
-
-#include <stdio.h>
-#include <a.out.h>
-
-extern off_t lseek();
-
-struct exec head;
-char *file;
-
-/* Virtual addresses of the symbols we frob. */
-long db_symtab_va, db_symtabsize_va;
-
-/* Offsets relative to start of data segment. */
-long db_symtab_off, db_symtabsize_off;
-
-/* value in the location at db_symtabsize_off */
-int db_symtabsize_val;
-
-/* pointers to pieces of mapped file */
-char *dataseg;
-char *symbols;
-char *strings;
-int *strtab;
-/* and lengths */
-int strtab_len;
-int file_len;
-int data_off;
-int data_pgoff;
-
-main(argc,argv)
-	char **argv;
-{
-	int fd, n;
-	int *ip;
-	char *cp;
-
-	if (argc < 2) {
-		printf("%s: missing file name\n", argv[0]);
-		exit(1);
-	}
-	file = argv[1];
-
-	fd = open(file, O_RDWR);
-	if (fd < 0) {
-		perror(file);
-		exit(1);
-	}
-
-	n = read(fd, &head, sizeof(head));
-	if (n < sizeof(head)) {
-		printf("%s: reading header\n", file);
-		exit(1);
-	}
-	file_len = lseek(fd, (off_t)0, 2);
-
-	if (N_BADMAG(head)) {
-		printf("%s: bad magic number\n");
-		exit(1);
-	}
-
-#ifdef	DEBUG
-	printf(" text:  %9d\n", head.a_text);
-	printf(" data:  %9d\n", head.a_data);
-	printf("  bss:  %9d\n", head.a_bss);
-	printf(" syms:  %9d\n", head.a_syms);
-	printf("entry: 0x%08X\n", head.a_entry);
-	printf("trsiz:  %9d\n", head.a_trsize);
-	printf("drsiz:  %9d\n", head.a_drsize);
-#endif
-
-	if (head.a_syms <= 0) {
-		printf("%s: no symbols\n", file);
-		exit(1);
-	}
-	if (head.a_trsize ||
-		head.a_drsize)
-	{
-		printf("%s: has relocations\n");
-		exit(1);
-	}
-
-	find_db_symtab(file);
-
-	/*
-	 * Map in the file from start of data to EOF.
-	 * The file offset needs to be page aligned.
-	 */
-	data_off = N_DATOFF(head);
-	data_pgoff = N_PAGSIZ(head) - 1;
-	data_pgoff &= data_off;
-	data_off -= data_pgoff;
-	dataseg = mmap(NULL,	/* any address is ok */
-				   file_len - data_off, /* length */
-				   PROT_READ | PROT_WRITE,
-				   MAP_SHARED,
-				   fd, data_off);
-	if ((long)dataseg == -1) {
-		printf("%s: can not map data seg\n", file);
-		perror(file);
-		exit(1);
-	}
-	dataseg += data_pgoff;
-	symbols = dataseg + head.a_data;
-	strings = symbols + head.a_syms;
-	/* Find the string table length (first word after symtab). */
-	strtab_len = *((int*)strings);
-#ifdef	DEBUG
-	printf("strtab_len: %d\n", strtab_len);
-#endif
-
-	/*
-	 * Find value in the location: db_symtabsize
-	 */
-	ip = (int*) (dataseg + db_symtabsize_off);
-	db_symtabsize_val = *ip;
-#ifdef	DEBUG
-	printf("db_symtabsize val: 0x%08X (%d)\n",
-		   db_symtabsize_val, db_symtabsize_val);
-#endif
-	/* Is there room for the symbols + strings? */
-	if (db_symtabsize_val < (head.a_syms + strtab_len)) {
-		printf("%s: symbol space too small (%d < %d)\n", argv[0],
-			   db_symtabsize_val, (head.a_syms + strtab_len));
-		exit(1);
-	}
-	printf("Symbols use %d of %d bytes available (%d%%)\n",
-		   head.a_syms + strtab_len,
-		   db_symtabsize_val,
-		   (head.a_syms + strtab_len) * 100 /
-		   db_symtabsize_val);
-
-	/*
-	 * Copy the symbol table and string table.
-	 */
-#ifdef	DEBUG
-	printf("copying symbol table...\n");
-#endif
-	ip = (int*) (dataseg + db_symtab_off);
-	/* Write symtab length */
-	*ip++ = head.a_syms;
-	memcpy((char*)ip, symbols, head.a_syms + strtab_len);
-
-	msync(dataseg - data_pgoff, file_len - data_off ,0);
-
-#ifdef	DEBUG
-	printf("...done\n");
-#endif
-	close(fd);
-	exit(0);
-}
-
-
-/*
- * Find locations of the symbols to patch.
- */
-struct nlist wantsyms[] = {
-	{ "_db_symtabsize", 0 },
-	{ "_db_symtab", 0 },
-	{ NULL, 0 },
-};
-
-find_db_symtab(file)
-	char *file;
-{
-	int data_va;
-	int std_entry;
-
-	if (nlist(file, wantsyms)) {
-		printf("%s: no db_symtab symbols?\n", file);
-		exit(1);
-	}
-	std_entry = N_TXTADDR(head) +
-	    (head.a_entry & (N_PAGSIZ(head)-1));
-	data_va = N_DATADDR(head);
-	if (head.a_entry != std_entry) {
-		printf("%s: warning: non-standard entry point: 0x%08x\n",
-			   file, head.a_entry);
-		printf("\texpecting entry=0x%X\n", std_entry);
-		data_va += (head.a_entry - std_entry);
-	}
-
-	db_symtabsize_off = wantsyms[0].n_value - data_va;
-	db_symtab_off     = wantsyms[1].n_value - data_va;
-#ifdef	DEBUG
-	printf(".data segment  va: 0x%08X\n", data_va);
-	printf("db_symtabsize  va: 0x%08X\n", wantsyms[0].n_value);
-	printf("db_symtab      va: 0x%08X\n", wantsyms[1].n_value);
-	printf("db_symtabsize off: 0x%08X\n", db_symtabsize_off);
-	printf("db_symtab     off: 0x%08X\n", db_symtab_off);
-#endif
-
-	/*
-	 * Sanity check locations of db_* symbols
-	 */
-	if (db_symtab_off < 0 || db_symtab_off >= head.a_data) {
-		printf("%s: db_symtab not in data segment?\n", file);
-		exit(1);
-	}
-	if (db_symtabsize_off < 0 || db_symtabsize_off >= head.a_data) {
-		printf("%s: db_symtabsize not in data segment?\n", file);
-		exit(1);
-	}
-}