diff options
Diffstat (limited to 'dwflpp.cxx')
| -rw-r--r-- | dwflpp.cxx | 37 |
1 files changed, 33 insertions, 4 deletions
@@ -83,16 +83,18 @@ dwflpp::dwflpp(systemtap_session & session, const string& name, bool kernel_p): } } - -dwflpp::dwflpp(systemtap_session & session, const vector<string>& names): +dwflpp::dwflpp(systemtap_session & session, const vector<string>& names, + bool kernel_p): sess(session), module(NULL), module_bias(0), mod_info(NULL), module_start(0), module_end(0), cu(NULL), dwfl(NULL), module_dwarf(NULL), function(NULL), blacklist_enabled(false) { - setup_user(names); + if (kernel_p) + setup_kernel(names); + else + setup_user(names); } - dwflpp::~dwflpp() { delete_map(module_cu_cache); @@ -318,6 +320,33 @@ dwflpp::setup_kernel(const string& name, bool debuginfo_needed) build_blacklist(); } +void +dwflpp::setup_kernel(const vector<string> &names, bool debuginfo_needed) +{ + if (! sess.module_cache) + sess.module_cache = new module_cache (); + + unsigned offline_search_matches = 0; + set<string> offline_search_names(names.begin(), names.end()); + dwfl = setup_dwfl_kernel(offline_search_names, + &offline_search_matches, + sess); + + if (offline_search_matches < offline_search_names.size()) + { + if (debuginfo_needed) { + // Suggest a likely kernel dir to find debuginfo rpm for + string dir = string("/lib/modules/" + sess.kernel_release ); + find_debug_rpms(sess, dir.c_str()); + } + throw semantic_error (string("missing ") + sess.architecture + + string(" kernel/module debuginfo under '") + + sess.kernel_build_tree + string("'")); + } + + build_blacklist(); +} + void dwflpp::setup_user(const vector<string>& modules, bool debuginfo_needed) |