/* bucomm.c -- Bin Utils COMmon code.
- Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002
+ Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
This file is part of GNU Binutils.
loaded, but for now it's not necessary. */
#include "bfd.h"
+#include "bfdver.h"
#include "libiberty.h"
#include "bucomm.h"
#include "filenames.h"
+#include "libbfd.h"
#include <sys/stat.h>
#include <time.h> /* ctime, maybe time_t */
typedef long time_t;
#endif
#endif
+
+static const char * endian_string PARAMS ((enum bfd_endian));
+static int display_target_list PARAMS ((void));
+static int display_info_table PARAMS ((int, int));
+static int display_target_tables PARAMS ((void));
\f
-/* Error reporting */
+/* Error reporting. */
char *program_name;
fprintf (f, "\n");
}
\f
+/* The length of the longest architecture name + 1. */
+#define LONGEST_ARCH sizeof ("powerpc:common")
+
+static const char *
+endian_string (endian)
+ enum bfd_endian endian;
+{
+ switch (endian)
+ {
+ case BFD_ENDIAN_BIG: return "big endian";
+ case BFD_ENDIAN_LITTLE: return "little endian";
+ default: return "endianness unknown";
+ }
+}
+
+/* List the targets that BFD is configured to support, each followed
+ by its endianness and the architectures it supports. */
+
+static int
+display_target_list ()
+{
+ char *dummy_name;
+ int t;
+ int ret = 1;
+
+ dummy_name = make_temp_file (NULL);
+ for (t = 0; bfd_target_vector[t]; t++)
+ {
+ const bfd_target *p = bfd_target_vector[t];
+ bfd *abfd = bfd_openw (dummy_name, p->name);
+ int a;
+
+ printf ("%s\n (header %s, data %s)\n", p->name,
+ endian_string (p->header_byteorder),
+ endian_string (p->byteorder));
+
+ if (abfd == NULL)
+ {
+ bfd_nonfatal (dummy_name);
+ ret = 0;
+ continue;
+ }
+
+ if (! bfd_set_format (abfd, bfd_object))
+ {
+ if (bfd_get_error () != bfd_error_invalid_operation)
+ {
+ bfd_nonfatal (p->name);
+ ret = 0;
+ }
+ bfd_close_all_done (abfd);
+ continue;
+ }
+
+ for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
+ if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
+ printf (" %s\n",
+ bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
+ bfd_close_all_done (abfd);
+ }
+ unlink (dummy_name);
+ free (dummy_name);
+
+ return ret;
+}
+
+/* Print a table showing which architectures are supported for entries
+ FIRST through LAST-1 of bfd_target_vector (targets across,
+ architectures down). */
+
+static int
+display_info_table (first, last)
+ int first;
+ int last;
+{
+ int t;
+ int a;
+ int ret = 1;
+ char *dummy_name;
+
+ /* Print heading of target names. */
+ printf ("\n%*s", (int) LONGEST_ARCH, " ");
+ for (t = first; t < last && bfd_target_vector[t]; t++)
+ printf ("%s ", bfd_target_vector[t]->name);
+ putchar ('\n');
+
+ dummy_name = make_temp_file (NULL);
+ for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
+ if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0)
+ {
+ printf ("%*s ", (int) LONGEST_ARCH - 1,
+ bfd_printable_arch_mach (a, 0));
+ for (t = first; t < last && bfd_target_vector[t]; t++)
+ {
+ const bfd_target *p = bfd_target_vector[t];
+ bfd_boolean ok = TRUE;
+ bfd *abfd = bfd_openw (dummy_name, p->name);
+
+ if (abfd == NULL)
+ {
+ bfd_nonfatal (p->name);
+ ret = 0;
+ ok = FALSE;
+ }
+
+ if (ok)
+ {
+ if (! bfd_set_format (abfd, bfd_object))
+ {
+ if (bfd_get_error () != bfd_error_invalid_operation)
+ {
+ bfd_nonfatal (p->name);
+ ret = 0;
+ }
+ ok = FALSE;
+ }
+ }
+
+ if (ok)
+ {
+ if (! bfd_set_arch_mach (abfd, a, 0))
+ ok = FALSE;
+ }
+
+ if (ok)
+ printf ("%s ", p->name);
+ else
+ {
+ int l = strlen (p->name);
+ while (l--)
+ putchar ('-');
+ putchar (' ');
+ }
+ if (abfd != NULL)
+ bfd_close_all_done (abfd);
+ }
+ putchar ('\n');
+ }
+ unlink (dummy_name);
+ free (dummy_name);
+
+ return ret;
+}
+
+/* Print tables of all the target-architecture combinations that
+ BFD has been configured to support. */
+
+static int
+display_target_tables ()
+{
+ int t;
+ int columns;
+ int ret = 1;
+ char *colum;
+
+ columns = 0;
+ colum = getenv ("COLUMNS");
+ if (colum != NULL)
+ columns = atoi (colum);
+ if (columns == 0)
+ columns = 80;
+
+ t = 0;
+ while (bfd_target_vector[t] != NULL)
+ {
+ int oldt = t, wid;
+
+ wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
+ ++t;
+ while (wid < columns && bfd_target_vector[t] != NULL)
+ {
+ int newwid;
+
+ newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
+ if (newwid >= columns)
+ break;
+ wid = newwid;
+ ++t;
+ }
+ if (! display_info_table (oldt, t))
+ ret = 0;
+ }
+
+ return ret;
+}
+
+int
+display_info ()
+{
+ printf (_("BFD header file version %s\n"), BFD_VERSION_STRING);
+ if (! display_target_list () || ! display_target_tables ())
+ return 1;
+ else
+ return 0;
+}
+\f
/* Display the archive header for an element as if it were an ls -l listing:
Mode User\tGroup\tSize\tDate Name */
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