From 4e5c165d88b502d950879d87abadb8e8ac51aab1 Mon Sep 17 00:00:00 2001 From: Hui Zhu Date: Wed, 24 Aug 2011 09:24:10 +0000 Subject: [PATCH] 2011-08-24 Hui Zhu * tracepoint.c (cond_string_is_same): New function. (find_matching_tracepoint): Add condition check by cond_string_is_same. --- gdb/ChangeLog | 6 ++++++ gdb/tracepoint.c | 16 +++++++++++++++- 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index eb7b516..5101954 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2011-08-24 Hui Zhu + + * tracepoint.c (cond_string_is_same): New function. + (find_matching_tracepoint): Add condition check + by cond_string_is_same. + 2011-08-23 Josh Matthews Fix build error in Darwin port. diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c index 351cbb2..fc9a17a 100644 --- a/gdb/tracepoint.c +++ b/gdb/tracepoint.c @@ -3091,6 +3091,19 @@ free_uploaded_tsvs (struct uploaded_tsv **utsvp) } } +/* FIXME this function is heuristic and will miss the cases where the + conditional is semantically identical but differs in whitespace, + such as "x == 0" vs "x==0". */ + +static int +cond_string_is_same (char *str1, char *str2) +{ + if (str1 == NULL || str2 == NULL) + return (str1 == str2); + + return (strcmp (str1, str2) == 0); +} + /* Look for an existing tracepoint that seems similar enough to the uploaded one. Enablement isn't compared, because the user can toggle that freely, and may have done so in anticipation of the @@ -3111,7 +3124,8 @@ find_matching_tracepoint (struct uploaded_tp *utp) if (b->type == utp->type && t->step_count == utp->step && t->pass_count == utp->pass - /* FIXME also test conditionals and actions. */ + && cond_string_is_same (t->base.cond_string, utp->cond_string) + /* FIXME also test actions. */ ) { /* Scan the locations for an address match. */ -- 2.7.4