disable debug heap by default; get unwindg path off caching layers & use demon reads directly

This commit is contained in:
Ryan Fleury
2024-03-22 13:51:26 -07:00
parent e9129975e3
commit 9de678ec22
2 changed files with 8 additions and 5 deletions
+7 -5
View File
@@ -1421,7 +1421,8 @@ ctrl_unwind_from_thread(Arena *arena, CTRL_EntityStore *store, CTRL_MachineID ma
U64 arch_reg_block_size = regs_block_size_from_architecture(arch);
//- rjf: grab initial register block
void *regs_block = ctrl_query_cached_reg_block_from_thread(scratch.arena, machine_id, thread);
void *regs_block = push_array(scratch.arena, U8, arch_reg_block_size);
B32 regs_block_good = dmn_thread_read_reg_block(thread, regs_block);
//- rjf: grab initial memory view
B32 stack_memview_good = 0;
@@ -1434,9 +1435,10 @@ ctrl_unwind_from_thread(Arena *arena, CTRL_EntityStore *store, CTRL_MachineID ma
U64 stack_size = stack_base - stack_top;
if(stack_base >= stack_top)
{
CTRL_ProcessMemorySlice stack_memory_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, machine_id, process_entity->handle, r1u64(stack_top, stack_top+stack_size), endt_us);
String8 stack_memory = stack_memory_slice.data;
if(stack_memory.size != 0 && !stack_memory_slice.any_byte_bad && !stack_memory_slice.stale)
U8 *stack_memory_base = push_array(scratch.arena, U8, stack_size);
U64 actual_stack_bytes_read = dmn_process_read(process_entity->handle, r1u64(stack_top, stack_top+stack_size), stack_memory_base);
String8 stack_memory = str8(stack_memory_base, actual_stack_bytes_read);
if(stack_memory.size >= stack_size)
{
stack_memview_good = 1;
stack_memview.data = stack_memory.str;
@@ -1448,7 +1450,7 @@ ctrl_unwind_from_thread(Arena *arena, CTRL_EntityStore *store, CTRL_MachineID ma
//- rjf: loop & unwind
UNW_MemView memview = stack_memview;
if(stack_memview_good) switch(arch)
if(regs_block_good && stack_memview_good) switch(arch)
{
default:{}break;
case Architecture_x64:
+1
View File
@@ -2254,6 +2254,7 @@ dmn_launch_process(OS_LaunchOptions *options)
if(options->inherit_env != 0)
{
MemoryZeroStruct(&all_opts);
str8_list_push(scratch.arena, &all_opts, str8_lit("_NO_DEBUG_HEAP=1"));
for(String8Node *n = options->env.first; n != 0; n = n->next)
{
str8_list_push(scratch.arena, &all_opts, n->string);