* Disabled non-libelf stab files.

* Added a stab-unix.c file which is a placeholder for future nm|objdump
    implementations.


git-svn-id: svn://svn.zoy.org/elk/trunk@119 55e467fa-43c5-0310-a8a2-de718669efc6

src/Makefile.am

@@ -33,6 +33,8 @@ libelk_la_SOURCES = \
 	read.c \
 	special.c \
 	stab.c \
+	$(stab_elf_c) \
+	$(stab_unix_c) \
 	stkmem.c \
 	string.c \
 	symbol.c \
@@ -41,6 +43,12 @@ libelk_la_SOURCES = \
 	vector.c \
 	$(NULL)
 
+if HAVE_LIBELF
+stab_elf_c = stab-elf.c
+else
+stab_unix_c = stab-unix.c
+endif
+
 EXTRA_DIST = \
 	dump-ecoff.c \
 	dump-elf.c \
@@ -52,7 +60,6 @@ EXTRA_DIST = \
 	stab-coff.c \
 	stab-convex.c \
 	stab-ecoff.c \
-	stab-elf.c \
 	stab-hp9k300.c \
 	stab-hp9k800.c \
 	stab-macho.c \

src/stab-elf.c

@@ -28,11 +28,16 @@
  * THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
  */
 
+#include "config.h"
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <libelf.h>
 #include <unistd.h>
+#include <string.h>
+
+#include "kernel.h"
 
 SYMTAB *
 Snarf_Symbols (lf)
@@ -144,3 +149,4 @@ Open_File_And_Snarf_Symbols (name)
     (void)close (f);
     return tab;
 }
+

src/stab-unix.c

@@ -0,0 +1,75 @@
+/* stab-unix.c
+ *
+ * $Id$
+ *
+ * Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
+ * Copyright 2002, 2003 Sam Hocevar <sam@zoy.org>, Paris
+ *
+ * This software was derived from Elk 1.2, which was Copyright 1987, 1988,
+ * 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
+ * by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
+ * between TELES and Nixdorf Microprocessor Engineering, Berlin).
+ *
+ * Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
+ * owners or individual owners of copyright in this software, grant to any
+ * person or company a worldwide, royalty free, license to
+ *
+ *    i) copy this software,
+ *   ii) prepare derivative works based on this software,
+ *  iii) distribute copies of this software or derivative works,
+ *   iv) perform this software, or
+ *    v) display this software,
+ *
+ * provided that this notice is not removed and that neither Oliver Laumann
+ * nor Teles nor Nixdorf are deemed to have made any representations as to
+ * the suitability of this software for any purpose nor are held responsible
+ * for any defects of this software.
+ *
+ * THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/types.h>
+
+#include "kernel.h"
+
+SYMTAB *Snarf_Symbols (FILE *f) {
+    SYMTAB *tab;
+    register SYM *sp, **nextp;
+
+    tab = (SYMTAB *)Safe_Malloc (sizeof (SYMTAB));
+    tab->first = 0;
+    tab->strings = 0;
+
+    return tab;
+}
+
+SYMTAB *Open_File_And_Snarf_Symbols (char *name) {
+    int fd;
+    FILE *fp;
+    SYMTAB *tab;
+
+    fprintf (stderr, "trying to find symbols in %s\n", name);
+
+#ifdef O_BINARY
+    fd = open (name, O_RDONLY|O_BINARY);
+#else
+    fd = open (name, O_RDONLY);
+#endif
+    if (fd == -1) {
+        Saved_Errno = errno;
+        Primitive_Error ("can't open file: ~E");
+    }
+    if ((fp = fdopen (fd, "rb")) == NULL) {
+        close (fd);
+        Primitive_Error ("can't fdopen file");
+    }
+    tab = Snarf_Symbols (fp);
+    (void)fclose (fp);
+    return tab;
+}
+

src/stab.c

@@ -39,7 +39,7 @@ void Free_Symbols (SYMTAB *);
 
 #if defined(CAN_LOAD_LIB) || defined (INIT_OBJECTS)
 
-#if defined(MACH_O)
+/*#if defined(MACH_O)
 #  include "stab-macho.c"
 #elif defined(HAVE_LIBELF)
 #  include "stab-elf.c"
@@ -53,9 +53,11 @@ void Free_Symbols (SYMTAB *);
 #  include "stab-hp9k300.c"
 #elif defined(hp9000s800) || defined(__hp9000s800) || defined(__hp9000s800__)
 #  include "stab-hp9k800.c"
-#else
+#elif defined(HAVE_A_OUT_H)
 #  include "stab-bsd.c"
-#endif
+#else
+#  include "stab-unix.c"
+#endif*/
 
 static SYMPREFIX Ignore_Prefixes[] =  {
     /* Currently none */
@@ -171,4 +173,4 @@ void Free_Symbols (SYMTAB *tab) {
         free (tab->strings);
     free ((char *)tab);
 }
-#endif /* CAN_LOAD_OBJ || INIT_OBJECTS */
+#endif /* CAN_LOAD_LIB || INIT_OBJECTS */