scripts/gdb: add is_target_arch helper

This helper caches to result of "show architecture" and matches the
provided arch (sub-)string against that output.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kiszka 2015-02-17 13:47:12 -08:00 committed by Linus Torvalds
parent 4752871081
commit b24e2d21ac

View File

@ -106,3 +106,16 @@ def read_u64(buffer):
return read_u32(buffer[0:4]) + (read_u32(buffer[4:8]) << 32)
else:
return read_u32(buffer[4:8]) + (read_u32(buffer[0:4]) << 32)
target_arch = None
def is_target_arch(arch):
if hasattr(gdb.Frame, 'architecture'):
return arch in gdb.newest_frame().architecture().name()
else:
global target_arch
if target_arch is None:
target_arch = gdb.execute("show architecture", to_string=True)
return arch in target_arch