diff options
Diffstat (limited to 'gdb/osabi.c')
| -rw-r--r-- | gdb/osabi.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/gdb/osabi.c b/gdb/osabi.c index 778dedc..a8ecc8c 100644 --- a/gdb/osabi.c +++ b/gdb/osabi.c @@ -87,6 +87,30 @@ gdbarch_osabi_name (enum gdb_osabi osabi) 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 @@ -205,10 +229,11 @@ gdbarch_lookup_osabi (bfd *abfd) 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; @@ -269,12 +294,7 @@ gdbarch_lookup_osabi (bfd *abfd) } } - /* 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; } |