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adjust step trap net build in case of memory read failure - ensure we get correct memory read, otherwise we can generate bad trap nets during heavy load. allow high vs. low priority in async rdi loading; use low-priority in pre-emptive case

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This commit is contained in:
Ryan Fleury
2025-06-18 08:36:41 -07:00
parent 5de7c06d3b
commit 401f117653
12 changed files with 95 additions and 218 deletions
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src/dbg_engine/dbg_engine_core.c
+8 -8
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@@ -475,7 +475,7 @@ d_trap_net_from_thread__step_over_line(Arena *arena, CTRL_Entity *thread)
}
// rjf: push trap for natural linear flow
if(good_line_info)
if(good_line_info && good_machine_code)
{
CTRL_Trap trap = {CTRL_TrapFlag_EndStepping, line_vaddr_rng.max};
ctrl_trap_list_push(arena, &result, &trap);
@@ -631,7 +631,7 @@ d_trap_net_from_thread__step_into_line(Arena *arena, CTRL_Entity *thread)
}
// rjf: push trap for natural linear flow
if(good_line_info)
if(good_line_info && good_machine_code)
{
CTRL_Trap trap = {CTRL_TrapFlag_EndStepping, line_vaddr_rng.max};
ctrl_trap_list_push(arena, &result, &trap);
@@ -654,7 +654,7 @@ d_voff_from_dbgi_key_symbol_name(DI_Key *dbgi_key, String8 symbol_name)
DI_Scope *scope = di_scope_open();
U64 result = 0;
{
RDI_Parsed *rdi = di_rdi_from_key(scope, dbgi_key, 0);
RDI_Parsed *rdi = di_rdi_from_key(scope, dbgi_key, 1, 0);
RDI_NameMapKind name_map_kinds[] =
{
RDI_NameMapKind_GlobalVariables,
@@ -734,7 +734,7 @@ d_lines_from_dbgi_key_voff(Arena *arena, DI_Key *dbgi_key, U64 voff)
{
Temp scratch = scratch_begin(&arena, 1);
DI_Scope *scope = di_scope_open();
RDI_Parsed *rdi = di_rdi_from_key(scope, dbgi_key, 0);
RDI_Parsed *rdi = di_rdi_from_key(scope, dbgi_key, 1, 0);
D_LineList result = {0};
{
//- rjf: gather line tables
@@ -843,7 +843,7 @@ d_lines_array_from_dbgi_key_file_path_line_range(Arena *arena, DI_Key dbgi_key,
String8 file_path_normalized = lower_from_str8(scratch.arena, path_normalized_from_string(scratch.arena, file_path));
// rjf: binary -> rdi
RDI_Parsed *rdi = di_rdi_from_key(scope, &dbgi_key, 0);
RDI_Parsed *rdi = di_rdi_from_key(scope, &dbgi_key, 1, 0);
// rjf: file_path_normalized * rdi -> src_id
B32 good_src_id = 0;
@@ -941,7 +941,7 @@ d_lines_array_from_file_path_line_range(Arena *arena, String8 file_path, Rng1S64
{
// rjf: binary -> rdi
DI_Key key = dbgi_key_n->v;
RDI_Parsed *rdi = di_rdi_from_key(scope, &key, 0);
RDI_Parsed *rdi = di_rdi_from_key(scope, &key, 1, 0);
// rjf: file_path_normalized * rdi -> src_id
B32 good_src_id = 0;
@@ -1302,7 +1302,7 @@ d_query_cached_locals_map_from_dbgi_key_voff(DI_Key *dbgi_key, U64 voff)
if(node == 0)
{
DI_Scope *scope = di_scope_open();
RDI_Parsed *rdi = di_rdi_from_key(scope, dbgi_key, 0);
RDI_Parsed *rdi = di_rdi_from_key(scope, dbgi_key, 1, 0);
E_String2NumMap *map = e_push_locals_map_from_rdi_voff(cache->arena, rdi, voff);
if(map->slots_count != 0)
{
@@ -1356,7 +1356,7 @@ d_query_cached_member_map_from_dbgi_key_voff(DI_Key *dbgi_key, U64 voff)
if(node == 0)
{
DI_Scope *scope = di_scope_open();
RDI_Parsed *rdi = di_rdi_from_key(scope, dbgi_key, 0);
RDI_Parsed *rdi = di_rdi_from_key(scope, dbgi_key, 1, 0);
E_String2NumMap *map = e_push_member_map_from_rdi_voff(cache->arena, rdi, voff);
if(map->slots_count != 0)
{