From: "Daniel P. Berrange" <berra...@redhat.com> Over time various systemtap reserved words have been blacklisted in the trace backend generator. The list is not complete though, so there is continued risk of problems in the future. Preempt such problems by specifying the full list of systemtap keywords listed in its parser as identified here:
http://sourceware.org/ml/systemtap/2012-q4/msg00157.html Signed-off-by: Daniel P. Berrange <berra...@redhat.com> Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> --- scripts/tracetool/backend/dtrace.py | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/scripts/tracetool/backend/dtrace.py b/scripts/tracetool/backend/dtrace.py index 6be7047..23c43e2 100644 --- a/scripts/tracetool/backend/dtrace.py +++ b/scripts/tracetool/backend/dtrace.py @@ -73,6 +73,15 @@ def d(events): '};') +# Technically 'self' is not used by systemtap yet, but +# they recommended we keep it in the reserved list anyway +RESERVED_WORDS = ( + 'break', 'catch', 'continue', 'delete', 'else', 'for', + 'foreach', 'function', 'global', 'if', 'in', 'limit', + 'long', 'next', 'probe', 'return', 'self', 'string', + 'try', 'while' + ) + def stap(events): for e in events: # Define prototype for probe arguments @@ -87,7 +96,7 @@ def stap(events): if len(e.args) > 0: for name in e.args.names(): # Append underscore to reserved keywords - if name in ('limit', 'in', 'next', 'self', 'function'): + if name in RESERVED_WORDS: name += '_' out(' %s = $arg%d;' % (name, i)) i += 1 -- 1.8.0
