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-rw-r--r--scripts/tracetool/format/d.py15
1 files changed, 14 insertions, 1 deletions
diff --git a/scripts/tracetool/format/d.py b/scripts/tracetool/format/d.py
index 0afb5f3f47..353722f89c 100644
--- a/scripts/tracetool/format/d.py
+++ b/scripts/tracetool/format/d.py
@@ -13,6 +13,7 @@ __email__ = "stefanha@redhat.com"
from tracetool import out
+from sys import platform
# Reserved keywords from
@@ -34,7 +35,8 @@ def generate(events, backend, group):
# SystemTap's dtrace(1) warns about empty "provider qemu {}" but is happy
# with an empty file. Avoid the warning.
- if not events:
+ # But dtrace on macOS can't deal with empty files.
+ if not events and platform != "darwin":
return
out('/* This file is autogenerated by tracetool, do not edit. */'
@@ -44,6 +46,17 @@ def generate(events, backend, group):
for e in events:
args = []
for type_, name in e.args:
+ if platform == "darwin":
+ # macOS dtrace accepts only C99 _Bool
+ if type_ == 'bool':
+ type_ = '_Bool'
+ if type_ == 'bool *':
+ type_ = '_Bool *'
+ # It converts int8_t * in probe points to char * in header
+ # files and introduces [-Wpointer-sign] warning.
+ # Avoid it by changing probe type to signed char * beforehand.
+ if type_ == 'int8_t *':
+ type_ = 'signed char *'
if name in RESERVED_WORDS:
name += '_'
args.append(type_ + ' ' + name)