From 81dee729c1a8fccaab8cd978721acca0282f43c9 Mon Sep 17 00:00:00 2001 From: "Daniel P. Berrange" Date: Fri, 2 Nov 2012 12:00:53 +0000 Subject: Avoid all systemtap reserved words 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 Signed-off-by: Stefan Hajnoczi --- 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 6be7047018..23c43e2772 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 -- cgit v1.2.1