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do not assume the presence of a module when forming an eval parse ctx; it must be based on process*vaddr, not module*voff, because you might be evaluating from code without a module

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This commit is contained in:
Ryan Fleury
2024-01-23 14:44:39 -08:00
parent f50ffd17aa
commit abb2dd713e
4 changed files with 17 additions and 26 deletions
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src/df/gfx/df_gfx.c
+1 -3
View File
@@ -3918,9 +3918,7 @@ df_window_update_and_render(Arena *arena, OS_EventList *events, DF_Window *ws, D
DF_Entity *thread = df_entity_from_handle(ctrl_ctx.thread);
DF_Entity *process = df_entity_ancestor_from_kind(thread, DF_EntityKind_Process);
U64 thread_unwind_rip_vaddr = df_query_cached_rip_from_thread_unwind(thread, ctrl_ctx.unwind_count);
DF_Entity *module = df_module_from_process_vaddr(process, thread_unwind_rip_vaddr);
U64 thread_unwind_rip_voff = df_voff_from_vaddr(module, thread_unwind_rip_vaddr);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_module_voff(scope, module, thread_unwind_rip_voff);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_process_vaddr(scope, process, thread_unwind_rip_vaddr);
String8 expr = ws->hover_eval_string;
DF_Eval eval = df_eval_from_string(scratch.arena, scope, &ctrl_ctx, &parse_ctx, expr);
src/df/gfx/df_views.c
+5 -15
View File
@@ -736,13 +736,11 @@ df_eval_watch_view_build(DF_Window *ws, DF_Panel *panel, DF_View *view, DF_EvalW
DF_Entity *thread = df_entity_from_handle(ctrl_ctx.thread);
DF_Entity *process = df_entity_ancestor_from_kind(thread, DF_EntityKind_Process);
U64 thread_ip_vaddr = df_query_cached_rip_from_thread_unwind(thread, ctrl_ctx.unwind_count);
DF_Entity *module = df_module_from_process_vaddr(process, thread_ip_vaddr);
U64 thread_ip_voff = df_voff_from_vaddr(module, thread_ip_vaddr);
//////////////////////////////
//- rjf: process * thread info -> parse_ctx
//
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_module_voff(scope, module, thread_ip_voff);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_process_vaddr(scope, process, thread_ip_vaddr);
//////////////////////////////
//- rjf: roots -> viz blocks
@@ -4769,9 +4767,7 @@ DF_VIEW_UI_FUNCTION_DEF(Code)
U64 unwind_count = ctrl_ctx.unwind_count;
U64 rip_vaddr = df_query_cached_rip_from_thread_unwind(thread, unwind_count);
DF_Entity *process = df_entity_ancestor_from_kind(thread, DF_EntityKind_Process);
DF_Entity *module = df_module_from_process_vaddr(process, rip_vaddr);
U64 rip_voff = df_voff_from_vaddr(module, rip_vaddr);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_module_voff(scope, module, rip_voff);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_process_vaddr(scope, process, rip_vaddr);
//////////////////////////////
//- rjf: unpack entity info
@@ -5824,9 +5820,7 @@ DF_VIEW_UI_FUNCTION_DEF(Disassembly)
U64 unwind_count = ctrl_ctx.unwind_count;
U64 rip_vaddr = df_query_cached_rip_from_thread_unwind(selected_thread, unwind_count);
DF_Entity *selected_thread_process = df_entity_ancestor_from_kind(selected_thread, DF_EntityKind_Process);
DF_Entity *selected_thread_module = df_module_from_process_vaddr(selected_thread_process, rip_vaddr);
U64 rip_voff = df_voff_from_vaddr(selected_thread_module, rip_vaddr);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_module_voff(scope, selected_thread_module, rip_voff);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_process_vaddr(scope, selected_thread_process, rip_vaddr);
F_Tag code_font = df_font_from_slot(DF_FontSlot_Code);
F32 code_font_size = df_font_size_from_slot(ws, DF_FontSlot_Code);
F_Metrics code_font_metrics = f_metrics_from_tag_size(code_font, code_font_size);
@@ -6725,9 +6719,7 @@ DF_VIEW_UI_FUNCTION_DEF(Output)
U64 unwind_count = ctrl_ctx.unwind_count;
U64 rip_vaddr = df_query_cached_rip_from_thread_unwind(thread, unwind_count);
DF_Entity *process = df_entity_ancestor_from_kind(thread, DF_EntityKind_Process);
DF_Entity *module = df_module_from_process_vaddr(process, rip_vaddr);
U64 rip_voff = df_voff_from_vaddr(module, rip_vaddr);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_module_voff(scope, module, rip_voff);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_process_vaddr(scope, process, rip_vaddr);
//////////////////////////////
//- rjf: unpack entity info
@@ -7674,9 +7666,7 @@ DF_VIEW_UI_FUNCTION_DEF(Memory)
};
DBGI_Scope *scope = dbgi_scope_open();
U64 thread_rip_vaddr = df_query_cached_rip_from_thread_unwind(thread, ctrl_ctx.unwind_count);
DF_Entity *module = df_module_from_process_vaddr(process, thread_rip_vaddr);
U64 thread_rip_voff = df_voff_from_vaddr(module, thread_rip_vaddr);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_module_voff(scope, module, thread_rip_voff);
EVAL_ParseCtx parse_ctx = df_eval_parse_ctx_from_process_vaddr(scope, process, thread_rip_vaddr);
RADDBG_Parsed *rdbg = parse_ctx.rdbg;
for(U64 idx = 0; idx < parse_ctx.locals_map->slots_count; idx += 1)
{