aboutsummaryrefslogtreecommitdiff
path: root/scripts
diff options
context:
space:
mode:
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/decodetree.py22
1 files changed, 22 insertions, 0 deletions
diff --git a/scripts/decodetree.py b/scripts/decodetree.py
index f6f7368774..d8c59cab60 100755
--- a/scripts/decodetree.py
+++ b/scripts/decodetree.py
@@ -33,6 +33,7 @@ arguments = {}
formats = {}
patterns = []
allpatterns = []
+anyextern = False
translate_prefix = 'trans'
translate_scope = 'static '
@@ -482,12 +483,14 @@ def parse_arguments(lineno, name, toks):
"""Parse one argument set from TOKS at LINENO"""
global arguments
global re_ident
+ global anyextern
flds = []
extern = False
for t in toks:
if re_fullmatch('!extern', t):
extern = True
+ anyextern = True
continue
if not re_fullmatch(re_ident, t):
error(lineno, 'invalid argument set token "{0}"'.format(t))
@@ -1188,6 +1191,7 @@ def main():
global insnmask
global decode_function
global variablewidth
+ global anyextern
decode_scope = 'static '
@@ -1248,6 +1252,19 @@ def main():
# A single translate function can be invoked for different patterns.
# Make sure that the argument sets are the same, and declare the
# function only once.
+ #
+ # If we're sharing formats, we're likely also sharing trans_* functions,
+ # but we can't tell which ones. Prevent issues from the compiler by
+ # suppressing redundant declaration warnings.
+ if anyextern:
+ output("#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE\n",
+ "# pragma GCC diagnostic push\n",
+ "# pragma GCC diagnostic ignored \"-Wredundant-decls\"\n",
+ "# ifdef __clang__\n"
+ "# pragma GCC diagnostic ignored \"-Wtypedef-redefinition\"\n",
+ "# endif\n",
+ "#endif\n\n")
+
out_pats = {}
for i in allpatterns:
if i.name in out_pats:
@@ -1259,6 +1276,11 @@ def main():
out_pats[i.name] = i
output('\n')
+ if anyextern:
+ output("#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE\n",
+ "# pragma GCC diagnostic pop\n",
+ "#endif\n\n")
+
for n in sorted(formats.keys()):
f = formats[n]
f.output_extract()