void initialize_current_architecture (void) { const char **arches = gdbarch_printable_names (); struct gdbarch_info info; /* determine a default architecture and byte order. */ gdbarch_info_init (&info); /* Find a default architecture. */ if (default_bfd_arch == NULL) { /* Choose the architecture by taking the first one alphabetically. */ const char *chosen = arches[0]; const char **arch; for (arch = arches; *arch != NULL; arch++) { if (strcmp (*arch, chosen) < 0) chosen = *arch; } if (chosen == NULL) internal_error (__FILE__, __LINE__, _("initialize_current_architecture: No arch")); default_bfd_arch = bfd_scan_arch (chosen); if (default_bfd_arch == NULL) internal_error (__FILE__, __LINE__, _("initialize_current_architecture: Arch not found")); } info.bfd_arch_info = default_bfd_arch; /* Take several guesses at a byte order. */ if (default_byte_order == BFD_ENDIAN_UNKNOWN && default_bfd_vec != NULL) { /* Extract BFD's default vector's byte order. */ switch (default_bfd_vec->byteorder) { case BFD_ENDIAN_BIG: default_byte_order = BFD_ENDIAN_BIG; break; case BFD_ENDIAN_LITTLE: default_byte_order = BFD_ENDIAN_LITTLE; break; default: break; } } if (default_byte_order == BFD_ENDIAN_UNKNOWN) { /* look for ``*el-*'' in the target name. */ const char *chp; chp = strchr (target_name, '-'); if (chp != NULL && chp - 2 >= target_name && startswith (chp - 2, "el")) default_byte_order = BFD_ENDIAN_LITTLE; } if (default_byte_order == BFD_ENDIAN_UNKNOWN) { /* Wire it to big-endian!!! */ default_byte_order = BFD_ENDIAN_BIG; } info.byte_order = default_byte_order; info.byte_order_for_code = info.byte_order; if (! gdbarch_update_p (info)) internal_error (__FILE__, __LINE__, _("initialize_current_architecture: Selection of " "initial architecture failed")); /* Create the ``set architecture'' command appending ``auto'' to the list of architectures. */ { /* Append ``auto''. */ int nr; for (nr = 0; arches[nr] != NULL; nr++); arches = xrealloc (arches, sizeof (char*) * (nr + 2)); arches[nr + 0] = "auto"; arches[nr + 1] = NULL; add_setshow_enum_cmd ("architecture", class_support, arches, &set_architecture_string, _("Set architecture of target."), _("Show architecture of target."), NULL, set_architecture, show_architecture, &setlist, &showlist); add_alias_cmd ("processor", "architecture", class_support, 1, &setlist); } }
void initialize_current_architecture (void) { const char **arches = gdbarch_printable_names (); /* determine a default architecture and byte order. */ struct gdbarch_info info; gdbarch_info_init (&info); /* Find a default architecture. */ if (info.bfd_arch_info == NULL && default_bfd_arch != NULL) info.bfd_arch_info = default_bfd_arch; if (info.bfd_arch_info == NULL) { /* Choose the architecture by taking the first one alphabetically. */ const char *chosen = arches[0]; const char **arch; for (arch = arches; *arch != NULL; arch++) { if (strcmp (*arch, chosen) < 0) chosen = *arch; } if (chosen == NULL) internal_error (__FILE__, __LINE__, "initialize_current_architecture: No arch"); info.bfd_arch_info = bfd_scan_arch (chosen); if (info.bfd_arch_info == NULL) internal_error (__FILE__, __LINE__, "initialize_current_architecture: Arch not found"); } /* Take several guesses at a byte order. */ if (info.byte_order == BFD_ENDIAN_UNKNOWN && default_bfd_vec != NULL) { /* Extract BFD's default vector's byte order. */ switch (default_bfd_vec->byteorder) { case BFD_ENDIAN_BIG: info.byte_order = BFD_ENDIAN_BIG; break; case BFD_ENDIAN_LITTLE: info.byte_order = BFD_ENDIAN_LITTLE; break; default: break; } } if (info.byte_order == BFD_ENDIAN_UNKNOWN) { /* look for ``*el-*'' in the target name. */ const char *chp; chp = strchr (target_name, '-'); if (chp != NULL && chp - 2 >= target_name && strncmp (chp - 2, "el", 2) == 0) info.byte_order = BFD_ENDIAN_LITTLE; } if (info.byte_order == BFD_ENDIAN_UNKNOWN) { /* Wire it to big-endian!!! */ info.byte_order = BFD_ENDIAN_BIG; } if (GDB_MULTI_ARCH) { if (! gdbarch_update_p (info)) { internal_error (__FILE__, __LINE__, "initialize_current_architecture: Selection of initial architecture failed"); } } else { /* If the multi-arch logic comes up with a byte-order (from BFD) use it for the non-multi-arch case. */ if (info.byte_order != BFD_ENDIAN_UNKNOWN) target_byte_order = info.byte_order; initialize_non_multiarch (); } /* Create the ``set architecture'' command appending ``auto'' to the list of architectures. */ { struct cmd_list_element *c; /* Append ``auto''. */ int nr; for (nr = 0; arches[nr] != NULL; nr++); arches = xrealloc (arches, sizeof (char*) * (nr + 2)); arches[nr + 0] = "auto"; arches[nr + 1] = NULL; /* FIXME: add_set_enum_cmd() uses an array of ``char *'' instead of ``const char *''. We just happen to know that the casts are safe. */ c = add_set_enum_cmd ("architecture", class_support, arches, &set_architecture_string, "Set architecture of target.", &setlist); set_cmd_sfunc (c, set_architecture); add_alias_cmd ("processor", "architecture", class_support, 1, &setlist); /* Don't use set_from_show - need to print both auto/manual and current setting. */ add_cmd ("architecture", class_support, show_architecture, "Show the current target architecture", &showlist); } }