initial import of NetBSD tree

1 files changed, 58 insertions, 0 deletions

diff --git a/usr.sbin/dbsym/dbtest.c b/usr.sbin/dbsym/dbtest.c
new file mode 100644
index 00000000000..3db6c667c77
--- /dev/null
+++ b/usr.sbin/dbsym/dbtest.c
@@ -0,0 +1,58 @@
+
+#include <stdio.h>
+#include <a.out.h>
+
+#define		SYMTAB_SPACE  0x8000
+int db_symtabsize = SYMTAB_SPACE;
+char db_symtab[SYMTAB_SPACE] = { 0,0,0,0,1 };
+/*
+ * The actual format of the above is:
+ *	int symtab_length = NSYMS;
+ *	struct nlist[NSYMS];
+ *	int strtab_length;
+ *	char strtab[];
+ */
+
+/* Print out our symbol table. */
+main()
+{
+	struct nlist *nl;
+	int symtab_len, strtab_len;
+	char *strtab;
+	char *p;
+	int *ip;
+	int st, sc, x;
+
+	/* symbol table */
+	ip = (int*) db_symtab;
+	symtab_len = *ip++;
+	if (symtab_len < 4) {
+		printf("no symbol table\n");
+		exit(1);
+	}
+	nl = (struct nlist *) ip;
+
+	/* string table pointer and length */
+	ip = (int*) ((char*)ip + symtab_len);
+	strtab =  (char*)ip;
+	strtab_len = *ip;
+
+	if (strtab_len > (SYMTAB_SPACE - symtab_len))
+		strtab_len = (SYMTAB_SPACE - symtab_len);
+
+	/* print symbol table */
+	while ((x=nl->n_un.n_strx) != 0) {
+		if (x < 0 || x >= strtab_len) p = "?";
+		else p = strtab + x;
+		st = nl->n_type & 0x1F;
+		sc = "uatdbxxxxcxxxxxxx"[st>1];
+		if (st & 1) sc &= ~0x20;	/* to upper */
+		printf("%08X %c %s\n", nl->n_value, sc, p);
+		nl++;
+		if ((char*)nl >= strtab) {
+			printf("symbol table missing null terminator\n");
+			break;
+		}
+	}
+	exit(0);
+}