diff options
Diffstat (limited to 'dwflpp.cxx')
| -rw-r--r-- | dwflpp.cxx | 60 |
1 files changed, 60 insertions, 0 deletions
@@ -99,6 +99,7 @@ dwflpp::~dwflpp() { delete_map(module_cu_cache); delete_map(cu_function_cache); + delete_map(mod_function_cache); delete_map(cu_inl_function_cache); delete_map(global_alias_cache); delete_map(cu_die_parent_cache); @@ -796,6 +797,14 @@ dwflpp::cu_function_caching_callback (Dwarf_Die* func, void *arg) int +dwflpp::mod_function_caching_callback (Dwarf_Die* cu, void *arg) +{ + dwarf_getfuncs (cu, cu_function_caching_callback, arg, 0); + return DWARF_CB_OK; +} + + +int dwflpp::iterate_over_functions (int (* callback)(Dwarf_Die * func, base_query * q), base_query * q, const string& function) { @@ -855,6 +864,57 @@ dwflpp::iterate_over_functions (int (* callback)(Dwarf_Die * func, base_query * } +int +dwflpp::iterate_single_function (int (* callback)(Dwarf_Die * func, base_query * q), + base_query * q, const string& function) +{ + int rc = DWARF_CB_OK; + assert (module); + + get_module_dwarf(false); + if (!module_dwarf) + return rc; + + cu_function_cache_t *v = mod_function_cache[module_dwarf]; + if (v == 0) + { + v = new cu_function_cache_t; + mod_function_cache[module_dwarf] = v; + iterate_over_cus (mod_function_caching_callback, v); + if (sess.verbose > 4) + clog << "module function cache " << module_name + << " size " << v->size() << endl; + } + + cu_function_cache_t::iterator it; + cu_function_cache_range_t range = v->equal_range(function); + if (range.first != range.second) + { + for (it = range.first; it != range.second; ++it) + { + Dwarf_Die cu_mem; + Dwarf_Die& die = it->second; + if (sess.verbose > 4) + clog << "module function cache " << module_name + << " hit " << function << endl; + + // since we're iterating out of cu-context, we need each focus + focus_on_cu(dwarf_diecu(&die, &cu_mem, NULL, NULL)); + + rc = (*callback)(& die, q); + if (rc != DWARF_CB_OK) break; + } + } + + // undo the focus_on_cu + this->cu = NULL; + this->function_name.clear(); + this->function = NULL; + + return rc; +} + + /* This basically only goes one level down from the compile unit so it * only picks up top level stuff (i.e. nothing in a lower scope) */ int |