/* OS ABI variant handling for GDB.
- Copyright (C) 2001, 2002, 2003, 2004, 2007, 2008, 2009
+ Copyright (C) 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GDB.
"Interix",
"HP/UX ELF",
"HP/UX SOM",
-
"QNX Neutrino",
-
"Cygwin",
"AIX",
"DICOS",
"Darwin",
+ "Symbian",
"<invalid>"
};
return gdb_osabi_names[GDB_OSABI_INVALID];
}
+/* Lookup the OS ABI corresponding to the specified target description
+ string. */
+
+enum gdb_osabi
+osabi_from_tdesc_string (const char *name)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE (gdb_osabi_names); i++)
+ if (strcmp (name, gdb_osabi_names[i]) == 0)
+ {
+ /* See note above: the name table matches the indices assigned
+ to enum gdb_osabi. */
+ enum gdb_osabi osabi = (enum gdb_osabi) i;
+
+ if (osabi == GDB_OSABI_INVALID)
+ return GDB_OSABI_UNKNOWN;
+ else
+ return osabi;
+ }
+
+ return GDB_OSABI_UNKNOWN;
+}
+
/* Handler for a given architecture/OS ABI pair. There should be only
one handler for a given OS ABI each architecture family. */
struct gdb_osabi_handler
if (user_osabi_state == osabi_user)
return user_selected_osabi;
- /* If we don't have a binary, return the default OS ABI (if set) or
- unknown (otherwise). */
+ /* If we don't have a binary, just return unknown. The caller may
+ have other sources the OSABI can be extracted from, e.g., the
+ target description. */
if (abfd == NULL)
- return GDB_OSABI_DEFAULT;
+ return GDB_OSABI_UNKNOWN;
match = GDB_OSABI_UNKNOWN;
match_specific = 0;
}
}
- /* If we didn't find a match, but a default was specified at configure
- time, return the default. */
- if (GDB_OSABI_DEFAULT != GDB_OSABI_UNKNOWN && match == GDB_OSABI_UNKNOWN)
- return GDB_OSABI_DEFAULT;
- else
- return match;
+ return match;
}
else
{
int i;
+
for (i = 1; i < GDB_OSABI_INVALID; i++)
if (strcmp (set_osabi_string, gdbarch_osabi_name (i)) == 0)
{
if (user_osabi_state == osabi_auto)
fprintf_filtered (file,
_("The current OS ABI is \"auto\" (currently \"%s\").\n"),
- gdbarch_osabi_name (gdbarch_osabi (current_gdbarch)));
+ gdbarch_osabi_name (gdbarch_osabi (get_current_arch ())));
else
fprintf_filtered (file, _("The current OS ABI is \"%s\".\n"),
gdbarch_osabi_name (user_selected_osabi));
void
_initialize_gdb_osabi (void)
{
- struct cmd_list_element *c;
-
if (strcmp (gdb_osabi_names[GDB_OSABI_INVALID], "<invalid>") != 0)
internal_error
(__FILE__, __LINE__,