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sketch out non-utf8 string visualization in frontend eval paths; simple retry mechanism for large memory reads that may fail across page boundaries in ctrl process memory cache

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This commit is contained in:
Ryan Fleury
2024-03-29 10:09:57 -07:00
parent 60030b298b
commit 4b3941c17f
3 changed files with 49 additions and 10 deletions
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src/df/gfx/df_gfx.c
+20 -4
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@@ -6877,8 +6877,16 @@ df_single_line_eval_value_strings_from_eval(Arena *arena, DF_EvalVizStringFlags
if(!has_array && direct_type_is_string && (flags & DF_EvalVizStringFlag_ReadOnlyDisplayRules) && eval.mode == EVAL_EvalMode_Addr)
{
U64 string_memory_addr = value_eval.imm_u64;
CTRL_ProcessMemorySlice text_slice = ctrl_query_cached_zero_terminated_data_from_process_vaddr_limit(arena, process->ctrl_machine_id, process->ctrl_handle, string_memory_addr, 256, 0);
String8 text = df_eval_escaped_from_raw_string(arena, text_slice.data);
U64 element_size = tg_byte_size_from_graph_rdi_key(graph, rdi, eval.type_key);
CTRL_ProcessMemorySlice text_slice = ctrl_query_cached_zero_terminated_data_from_process_vaddr_limit(arena, process->ctrl_machine_id, process->ctrl_handle, eval.offset, 256, element_size, 0);
String8 raw_text = {0};
switch(element_size)
{
default:{raw_text = text_slice.data;}break;
case 2: {raw_text = str8_from_16(arena, str16((U16 *)text_slice.data.str, text_slice.data.size/sizeof(U16)));}break;
case 4: {raw_text = str8_from_32(arena, str32((U32 *)text_slice.data.str, text_slice.data.size/sizeof(U32)));}break;
}
String8 text = df_eval_escaped_from_raw_string(arena, raw_text);
space_taken += f_dim_from_tag_size_string(font, font_size, text).x;
space_taken += 2*f_dim_from_tag_size_string(font, font_size, str8_lit("\"")).x;
str8_list_push(arena, &list, str8_lit("\""));
@@ -6953,8 +6961,16 @@ df_single_line_eval_value_strings_from_eval(Arena *arena, DF_EvalVizStringFlags
special_case = 1;
DF_Entity *thread = df_entity_from_handle(ctrl_ctx->thread);
DF_Entity *process = df_entity_ancestor_from_kind(thread, DF_EntityKind_Process);
CTRL_ProcessMemorySlice text_slice = ctrl_query_cached_zero_terminated_data_from_process_vaddr_limit(arena, process->ctrl_machine_id, process->ctrl_handle, eval.offset, 256, 0);
String8 text = df_eval_escaped_from_raw_string(arena, text_slice.data);
U64 element_size = tg_byte_size_from_graph_rdi_key(graph, rdi, eval_type->direct_type_key);
CTRL_ProcessMemorySlice text_slice = ctrl_query_cached_zero_terminated_data_from_process_vaddr_limit(arena, process->ctrl_machine_id, process->ctrl_handle, eval.offset, 256, element_size, 0);
String8 raw_text = {0};
switch(element_size)
{
default:{raw_text = text_slice.data;}break;
case 2: {raw_text = str8_from_16(arena, str16((U16 *)text_slice.data.str, text_slice.data.size/sizeof(U16)));}break;
case 4: {raw_text = str8_from_32(arena, str32((U32 *)text_slice.data.str, text_slice.data.size/sizeof(U32)));}break;
}
String8 text = df_eval_escaped_from_raw_string(arena, raw_text);
space_taken += f_dim_from_tag_size_string(font, font_size, text).x;
space_taken += 2*f_dim_from_tag_size_string(font, font_size, str8_lit("\"")).x;
str8_list_push(arena, &list, str8_lit("\""));