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extend ctrl process memory cache with waiting mechanism; employ to wait for changes to propagate through process memory cache, when forcibly mutating debuggee process memory

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This commit is contained in:
Ryan Fleury
2024-02-05 10:04:00 -08:00
parent f2c74cbcb2
commit 2359c82fba
6 changed files with 123 additions and 42 deletions
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src/df/core/df_core.c
+6 -6
View File
@@ -3510,13 +3510,13 @@ df_tls_base_vaddr_from_thread(DF_Entity *thread)
U64 thread_info_addr = ctrl_tls_root_vaddr_from_thread(thread->ctrl_machine_id, thread->ctrl_handle);
U64 tls_addr_off = tls_index*addr_size;
U64 tls_addr_array = 0;
CTRL_ProcessMemorySlice tls_addr_array_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, r1u64(thread_info_addr, thread_info_addr+addr_size));
CTRL_ProcessMemorySlice tls_addr_array_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, r1u64(thread_info_addr, thread_info_addr+addr_size), 0);
String8 tls_addr_array_data = tls_addr_array_slice.data;
if(tls_addr_array_data.size >= 8)
{
MemoryCopy(&tls_addr_array, tls_addr_array_data.str, sizeof(U64));
}
CTRL_ProcessMemorySlice result_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, r1u64(tls_addr_array + tls_addr_off, tls_addr_array + tls_addr_off + addr_size));
CTRL_ProcessMemorySlice result_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, r1u64(tls_addr_array + tls_addr_off, tls_addr_array + tls_addr_off + addr_size), 0);
String8 result_data = result_slice.data;
if(result_data.size >= 8)
{
@@ -3979,7 +3979,7 @@ df_eval_memory_read(void *u, void *out, U64 addr, U64 size)
Assert(process->kind == DF_EntityKind_Process);
Temp scratch = scratch_begin(0, 0);
B32 result = 0;
CTRL_ProcessMemorySlice slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, r1u64(addr, addr+size));
CTRL_ProcessMemorySlice slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, r1u64(addr, addr+size), 0);
String8 data = slice.data;
if(data.size == size)
{
@@ -4278,7 +4278,7 @@ df_value_mode_eval_from_eval(TG_Graph *graph, RADDBG_Parsed *rdbg, DF_CtrlCtx *c
Rng1U64 vaddr_range = r1u64(eval.offset, eval.offset + type_byte_size);
if(dim_1u64(vaddr_range) == type_byte_size)
{
CTRL_ProcessMemorySlice slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, vaddr_range);
CTRL_ProcessMemorySlice slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, vaddr_range, 0);
String8 data = slice.data;
MemoryZeroArray(eval.imm_u128);
MemoryCopy(eval.imm_u128, data.str, Min(data.size, sizeof(U64)*2));
@@ -4358,14 +4358,14 @@ df_dynamically_typed_eval_from_eval(TG_Graph *graph, RADDBG_Parsed *rdbg, DF_Ctr
U64 ptr_vaddr = eval.offset;
U64 addr_size = bit_size_from_arch(arch)/8;
CTRL_ProcessMemorySlice ptr_value_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle,
r1u64(ptr_vaddr, ptr_vaddr+addr_size));
r1u64(ptr_vaddr, ptr_vaddr+addr_size), 0);
String8 ptr_value_memory = ptr_value_slice.data;
if(ptr_value_memory.size >= addr_size)
{
U64 class_base_vaddr = 0;
MemoryCopy(&class_base_vaddr, ptr_value_memory.str, addr_size);
CTRL_ProcessMemorySlice vtable_base_ptr_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle,
r1u64(class_base_vaddr, class_base_vaddr+addr_size));
r1u64(class_base_vaddr, class_base_vaddr+addr_size), 0);
String8 vtable_base_ptr_memory = vtable_base_ptr_slice.data;
if(vtable_base_ptr_memory.size >= addr_size)
{
src/df/gfx/df_gfx.c
+3 -3
View File
@@ -4156,7 +4156,7 @@ df_window_update_and_render(Arena *arena, OS_EventList *events, DF_Window *ws, D
U64 size = tg_byte_size_from_graph_raddbg_key(parse_ctx.type_graph, parse_ctx.rdbg, row->eval.type_key);
size = Min(size, 64);
Rng1U64 vaddr_rng = r1u64(row->eval.offset, row->eval.offset+size);
CTRL_ProcessMemorySlice slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, vaddr_rng);
CTRL_ProcessMemorySlice slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, vaddr_rng, 0);
for(U64 idx = 0; idx < (slice.data.size+63)/64; idx += 1)
{
if(slice.byte_changed_flags[idx] != 0)
@@ -6880,7 +6880,7 @@ 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, max_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);
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;
@@ -6956,7 +6956,7 @@ 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, max_U64);
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);
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;
src/df/gfx/df_view_rule_hooks.c
+6 -6
View File
@@ -30,7 +30,7 @@ df_view_rule_hooks__rgba_from_eval(DF_Eval eval, TG_Graph *graph, RADDBG_Parsed
U64 array_total_size = tg_byte_size_from_graph_raddbg_key(graph, raddbg, type_key);
U64 array_total_size_capped = ClampTop(array_total_size, 64);
Rng1U64 array_memory_vaddr_rng = r1u64(eval.offset, eval.offset + array_total_size_capped);
CTRL_ProcessMemorySlice array_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, array_memory_vaddr_rng);
CTRL_ProcessMemorySlice array_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, array_memory_vaddr_rng, 0);
String8 array_memory = array_slice.data;
TG_Key element_type_key = tg_unwrapped_direct_from_graph_raddbg_key(graph, raddbg, type_key);
TG_Kind element_type_kind = tg_kind_from_key(element_type_key);
@@ -67,7 +67,7 @@ df_view_rule_hooks__rgba_from_eval(DF_Eval eval, TG_Graph *graph, RADDBG_Parsed
U64 struct_total_size = tg_byte_size_from_graph_raddbg_key(graph, raddbg, type_key);
U64 struct_total_size_capped = ClampTop(struct_total_size, 64);
Rng1U64 struct_memory_vaddr_rng = r1u64(eval.offset, eval.offset + struct_total_size_capped);
CTRL_ProcessMemorySlice struct_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, struct_memory_vaddr_rng);
CTRL_ProcessMemorySlice struct_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, struct_memory_vaddr_rng, 0);
String8 struct_memory = struct_slice.data;
TG_Type *type = tg_type_from_graph_raddbg_key(scratch.arena, graph, raddbg, type_key);
for(U64 element_idx = 0, member_idx = 0;
@@ -700,7 +700,7 @@ DF_GFX_VIEW_RULE_BLOCK_UI_FUNCTION_DEF(text)
}
//- rjf: address range -> hash
U128 hash = ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, vaddr_range, 1);
U128 hash = ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, vaddr_range, 1, 0);
//- rjf: hash -> data
String8 data = hs_data_from_hash(hs_scope, hash);
@@ -891,7 +891,7 @@ DF_GFX_VIEW_RULE_BLOCK_UI_FUNCTION_DEF(bitmap)
}
//- rjf: address range -> hash
U128 hash = ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, vaddr_range, 0);
U128 hash = ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, vaddr_range, 0, 0);
//- rjf: hash & topology -> texture
TEX_Topology topology = tex_topology_make(v2s32((S32)topology_info.width, (S32)topology_info.height), topology_info.fmt);
@@ -1151,8 +1151,8 @@ DF_GFX_VIEW_RULE_BLOCK_UI_FUNCTION_DEF(geo)
}
//- rjf: address range -> hash
U128 index_buffer_hash = ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, index_buffer_vaddr_range, 0);
U128 vertex_buffer_hash = ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, vertex_buffer_vaddr_range, 0);
U128 index_buffer_hash = ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, index_buffer_vaddr_range, 0, 0);
U128 vertex_buffer_hash = ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, vertex_buffer_vaddr_range, 0, 0);
//- rjf: get gpu buffers
R_Handle index_buffer = geo_buffer_from_key_hash(geo_scope, index_buffer_key, index_buffer_hash);
src/df/gfx/df_views.c
+1 -1
View File
@@ -1121,7 +1121,7 @@ df_eval_watch_view_build(DF_Window *ws, DF_Panel *panel, DF_View *view, DF_EvalW
U64 size = tg_byte_size_from_graph_raddbg_key(parse_ctx.type_graph, parse_ctx.rdbg, row->eval.type_key);
size = Min(size, 64);
Rng1U64 vaddr_rng = r1u64(row->eval.offset, row->eval.offset+size);
CTRL_ProcessMemorySlice slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, vaddr_rng);
CTRL_ProcessMemorySlice slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, vaddr_rng, 0);
for(U64 idx = 0; idx < (slice.data.size+63)/64; idx += 1)
{
if(slice.byte_changed_flags[idx] != 0)