decodetree: Add --test-for-error
Invert the exit code, for use with the testsuite.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/scripts/decodetree.py b/scripts/decodetree.py
index a03dc6b..3f9f687 100644
--- a/scripts/decodetree.py
+++ b/scripts/decodetree.py
@@ -35,6 +35,7 @@
formats = {}
allpatterns = []
anyextern = False
+testforerror = False
translate_prefix = 'trans'
translate_scope = 'static '
@@ -71,7 +72,7 @@
if output_file and output_fd:
output_fd.close()
os.remove(output_file)
- exit(1)
+ exit(0 if testforerror else 1)
# end error_with_file
@@ -1286,11 +1287,12 @@
global bitop_width
global variablewidth
global anyextern
+ global testforerror
decode_scope = 'static '
long_opts = ['decode=', 'translate=', 'output=', 'insnwidth=',
- 'static-decode=', 'varinsnwidth=']
+ 'static-decode=', 'varinsnwidth=', 'test-for-error']
try:
(opts, args) = getopt.gnu_getopt(sys.argv[1:], 'o:vw:', long_opts)
except getopt.GetoptError as err:
@@ -1319,6 +1321,8 @@
bitop_width = 64
elif insnwidth != 32:
error(0, 'cannot handle insns of width', insnwidth)
+ elif o == '--test-for-error':
+ testforerror = True
else:
assert False, 'unhandled option'
@@ -1417,6 +1421,7 @@
if output_file:
output_fd.close()
+ exit(1 if testforerror else 0)
# end main