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first pass at thread-locals view

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This commit is contained in:
Ryan Fleury
2024-01-31 12:24:57 -08:00
parent c8010b7542
commit 8602e5b23e
2 changed files with 169 additions and 1 deletions
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src/df/gfx/df_views.c
+81 -1
View File
@@ -822,7 +822,84 @@ df_eval_viz_block_list_from_watch_view_state(Arena *arena, DBGI_Scope *scope, DF
//
case DF_EvalWatchViewFillKind_ThreadLocals:
{
// TODO(rjf)
// rjf: unpack
DF_Entity *thread = df_entity_from_handle(ctrl_ctx->thread);
DF_Entity *process = df_entity_ancestor_from_kind(thread, DF_EntityKind_Process);
U64 thread_rip_unwind_vaddr = df_query_cached_rip_from_thread_unwind(thread, ctrl_ctx->unwind_count);
DF_Entity *module = df_module_from_process_vaddr(process, thread_rip_unwind_vaddr);
// rjf: build block for all tlocals
DF_ExpandKey parent_key = df_expand_key_make(5381, 0);
DF_ExpandKey root_key = df_expand_key_make(df_hash_from_expand_key(parent_key), 0);
RADDBG_Parsed *rdbg = parse_ctx->rdbg;
DF_EvalVizBlock *tlocals_block = push_array(arena, DF_EvalVizBlock, 1);
SLLQueuePush(blocks.first, blocks.last, tlocals_block);
tlocals_block->kind = DF_EvalVizBlockKind_AllThreadLocals;
tlocals_block->visual_idx_range = tlocals_block->semantic_idx_range = r1u64(1, rdbg->thread_variables_count);
tlocals_block->parent_key = parent_key;
tlocals_block->key = root_key;
blocks.count += 1;
blocks.total_visual_row_count += dim_1u64(tlocals_block->visual_idx_range);
blocks.total_semantic_row_count += dim_1u64(tlocals_block->semantic_idx_range);
// rjf: split tlocals block per-expansion
df_expand_set_expansion(eval_view->arena, &eval_view->expand_tree_table, df_expand_key_zero(), parent_key, 1);
DF_ExpandNode *root_node = df_expand_node_from_key(&eval_view->expand_tree_table, parent_key);
for(DF_ExpandNode *child = root_node->first; child != 0; child = child->next)
{
U64 child_num = child->key.child_num;
U64 child_idx = child_num-1;
if(child_idx >= rdbg->thread_variables_count)
{
continue;
}
// rjf: truncate existing memblock
tlocals_block->visual_idx_range.max = child_idx;
tlocals_block->semantic_idx_range.max = child_idx;
// rjf: build inheriting cfg table
DF_CfgTable child_cfg = {0};
{
String8 view_rule_string = df_eval_view_rule_from_key(eval_view, df_expand_key_make(df_hash_from_expand_key(parent_key), child_num));
if(view_rule_string.size != 0)
{
df_cfg_table_push_unparsed_string(arena, &child_cfg, view_rule_string, DF_CfgSrc_User);
}
}
// rjf: unpack tlocal
RADDBG_ThreadVariable *thread_var = raddbg_element_from_idx(parse_ctx->rdbg, thread_variables, child_idx);
RADDBG_TypeNode *type_node = raddbg_element_from_idx(parse_ctx->rdbg, type_nodes, thread_var->type_idx);
U64 name_size = 0;
U8 *name_base = raddbg_string_from_idx(parse_ctx->rdbg, thread_var->name_string_idx, &name_size);
String8 name = str8(name_base, name_size);
// rjf: produce eval for the expanded tlocal
DF_Eval eval = df_eval_from_string(arena, scope, ctrl_ctx, parse_ctx, name);
// rjf: recurse for sub-block
{
blocks.total_visual_row_count -= 1;
blocks.total_semantic_row_count -= 1;
df_append_viz_blocks_for_parent__rec(arena, scope, eval_view, ctrl_ctx, parse_ctx, parent_key, child->key, name, eval, &child_cfg, 0, &blocks);
}
// rjf: make new memblock for remainder (if any)
if(child_idx+1 < rdbg->thread_variables_count)
{
DF_EvalVizBlock *next_tlocals_block = push_array(arena, DF_EvalVizBlock, 1);
next_tlocals_block->kind = DF_EvalVizBlockKind_AllThreadLocals;
next_tlocals_block->visual_idx_range = r1u64(child_idx+1, rdbg->thread_variables_count);
next_tlocals_block->semantic_idx_range= r1u64(child_idx+1, rdbg->thread_variables_count);
next_tlocals_block->depth = 0;
next_tlocals_block->parent_key = parent_key;
next_tlocals_block->key = root_key;
SLLQueuePush(blocks.first, blocks.last, next_tlocals_block);
blocks.count += 1;
tlocals_block = next_tlocals_block;
}
}
}break;
////////////////////////////
@@ -6807,6 +6884,9 @@ DF_VIEW_CMD_FUNCTION_DEF(ThreadLocals) {}
DF_VIEW_UI_FUNCTION_DEF(ThreadLocals)
{
ProfBeginFunction();
DF_EvalWatchViewState *ewv = df_view_user_state(view, DF_EvalWatchViewState);
df_eval_watch_view_init(ewv, view, DF_EvalWatchViewFillKind_ThreadLocals);
df_eval_watch_view_build(ws, panel, view, ewv, 0, 10, rect);
ProfEnd();
}