diff options
Diffstat (limited to 'hash.cxx')
| -rw-r--r-- | hash.cxx | 31 |
1 files changed, 16 insertions, 15 deletions
@@ -52,12 +52,12 @@ hash::add_file(const std::string& filename) { struct stat st; - if (stat(filename.c_str(), &st) == 0) - { - add(filename); - add(st.st_size); - add(st.st_mtime); - } + if (stat(filename.c_str(), &st) != 0) + st.st_size = st.st_mtime = -1; + + add(filename); + add(st.st_size); + add(st.st_mtime); } @@ -256,26 +256,27 @@ find_hash (systemtap_session& s, const string& script) } -void -find_tracequery_hash (systemtap_session& s) +string +find_tracequery_hash (systemtap_session& s, const string& header) { hash h; get_base_hash(s, h); - // The basic hash should be good enough for the tracepoint query module + // Add the tracepoint header to the computed hash + h.add_file(header); // Get the directory path to store our cached module string result, hashdir; h.result(result); if (!create_hashdir(s, result, hashdir)) - return; + return ""; - s.tracequery_path = hashdir + "/tracequery_" + result + ".ko"; + return hashdir + "/tracequery_" + result + ".ko"; } -void -find_typequery_hash (systemtap_session& s, const string& name, string& module) +string +find_typequery_hash (systemtap_session& s, const string& name) { hash h; get_base_hash(s, h); @@ -287,9 +288,9 @@ find_typequery_hash (systemtap_session& s, const string& name, string& module) string result, hashdir; h.result(result); if (!create_hashdir(s, result, hashdir)) - return; + return ""; - module = hashdir + "/typequery_" + result + return hashdir + "/typequery_" + result + (name[0] == 'k' ? ".ko" : ".so"); } |