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fix debug directory tree cache clearing rule

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This commit is contained in:
Ryan Fleury
2024-11-13 16:05:22 -08:00
parent 713cc2c693
commit 5a79518dcb
1 changed files with 13 additions and 16 deletions
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src/ctrl/ctrl_core.c
+13 -16
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@@ -4112,12 +4112,19 @@ ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg,
}
ctrl_c2u_push_events(&evts);
//- rjf: when a new process is loaded, for the first module, pre-emptively
// try to open all adjacent debug infos. with debug events, we learn about
// loaded modules serially, and we need to completely load debug info before
// continuing. for massive projects, this is a problem, because completely
// loading debug info isn't a trivial cost, and there are often 1000s of
// DLLs.
//- rjf: if this is the first process in a session, clear the debug directory
// cache state
if(ctrl_state->process_counter == 1 && event->kind == DMN_EventKind_CreateProcess)
{
arena_clear(ctrl_state->dbg_dir_arena);
ctrl_state->dbg_dir_root = push_array(ctrl_state->dbg_dir_arena, CTRL_DbgDirNode, 1);
}
//- rjf: when a new module is loaded, pre-emptively try to open all adjacent
// debug infos. with debug events, we learn about loaded modules serially,
// and we need to completely load debug info before continuing. for massive
// projects, this is a problem, because completely loading debug info isn't a
// trivial cost, and there are often 1000s of DLLs.
//
// an imperfect but usually reasonable heuristic is to look at adjacent
// debug info files, in the same or under the directory as the initially
@@ -4132,16 +4139,6 @@ ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg,
CTRL_Entity *process = ctrl_entity_from_handle(ctrl_state->ctrl_thread_entity_store, process_handle);
CTRL_Entity *loaded_module = ctrl_entity_from_handle(ctrl_state->ctrl_thread_entity_store, loaded_module_handle);
//- rjf: determine if this is the first process launched in this session
B32 is_first_process = (ctrl_state->process_counter == 1);
//- rjf: if this is the first process this session, clear the debug directory state
if(is_first_process)
{
arena_clear(ctrl_state->dbg_dir_arena);
ctrl_state->dbg_dir_root = push_array(ctrl_state->dbg_dir_arena, CTRL_DbgDirNode, 1);
}
//- rjf: for each module, use its full path as the start to a new limited recursive
// directory search. cache each directory once traversed in the dbg_dir tree. if any
// node is not cached, then scan it & pre-emptively convert debug info.