diff options
Diffstat (limited to 'binutils/bucomm.c')
| -rw-r--r-- | binutils/bucomm.c | 207 |
1 files changed, 205 insertions, 2 deletions
diff --git a/binutils/bucomm.c b/binutils/bucomm.c index 9609aee..237f934 100644 --- a/binutils/bucomm.c +++ b/binutils/bucomm.c @@ -1,5 +1,5 @@ /* 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. @@ -23,9 +23,11 @@ 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 */ @@ -35,8 +37,13 @@ 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)); -/* Error reporting */ +/* Error reporting. */ char *program_name; @@ -161,6 +168,202 @@ list_supported_architectures (name, f) fprintf (f, "\n"); } +/* 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; +} + /* Display the archive header for an element as if it were an ls -l listing: Mode User\tGroup\tSize\tDate Name */ |