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raddebugger/src/dbg_engine/dbg_engine_ctrl.h
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// Copyright (c) Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
#ifndef DBG_ENGINE_CTRL_H
#define DBG_ENGINE_CTRL_H
////////////////////////////////
//~ rjf: Unwind Types
typedef U32 D_UnwindFlags;
enum
{
D_UnwindFlag_Error = (1<<0),
D_UnwindFlag_Stale = (1<<1),
};
typedef struct D_UnwindStepResult D_UnwindStepResult;
struct D_UnwindStepResult
{
D_UnwindFlags flags;
};
typedef struct D_UnwindFrame D_UnwindFrame;
struct D_UnwindFrame
{
void *regs;
U64 cfa;
};
typedef struct D_UnwindFrameNode D_UnwindFrameNode;
struct D_UnwindFrameNode
{
D_UnwindFrameNode *next;
D_UnwindFrameNode *prev;
D_UnwindFrame v;
};
typedef struct D_UnwindFrameArray D_UnwindFrameArray;
struct D_UnwindFrameArray
{
D_UnwindFrame *v;
U64 count;
};
typedef struct D_Unwind D_Unwind;
struct D_Unwind
{
D_UnwindFrameArray frames;
D_UnwindFlags flags;
};
////////////////////////////////
//~ rjf: Call Stack Types
typedef struct D_CallStackFrame D_CallStackFrame;
struct D_CallStackFrame
{
U64 unwind_count;
U64 inline_depth;
void *regs;
U64 cfa;
};
typedef struct D_CallStack D_CallStack;
struct D_CallStack
{
D_CallStackFrame *frames;
U64 frames_count;
D_CallStackFrame **concrete_frames;
U64 concrete_frames_count;
};
////////////////////////////////
//~ rjf: Call Stack Tree Types
typedef struct D_CallStackTreeNode D_CallStackTreeNode;
struct D_CallStackTreeNode
{
D_CallStackTreeNode *hash_next;
D_CallStackTreeNode *first;
D_CallStackTreeNode *last;
D_CallStackTreeNode *next;
D_CallStackTreeNode *parent;
U64 child_count;
U64 id;
D_Handle process;
U64 vaddr;
U64 depth;
D_HandleList threads;
U64 all_descendant_threads_count;
};
typedef struct D_CallStackTree D_CallStackTree;
struct D_CallStackTree
{
D_CallStackTreeNode *root;
U64 slots_count;
D_CallStackTreeNode **slots;
};
////////////////////////////////
//~ rjf: Evaluation Spaces
typedef U64 D_EvalSpaceKind;
enum
{
D_EvalSpaceKind_Entity = E_SpaceKind_FirstUserDefined,
D_EvalSpaceKind_FirstUserDefined,
};
////////////////////////////////
//~ rjf: Process Memory Types
typedef struct D_ProcessMemorySlice D_ProcessMemorySlice;
struct D_ProcessMemorySlice
{
String8 data;
U64 *byte_bad_flags;
U64 *byte_changed_flags;
B32 stale;
B32 any_byte_bad;
B32 any_byte_changed;
};
////////////////////////////////
//~ rjf: Thread Register Cache Types
typedef struct D_ThreadRegCacheNode D_ThreadRegCacheNode;
struct D_ThreadRegCacheNode
{
D_ThreadRegCacheNode *next;
D_ThreadRegCacheNode *prev;
D_Handle handle;
U64 block_size;
void *block;
U64 reg_gen;
};
typedef struct D_ThreadRegCacheSlot D_ThreadRegCacheSlot;
struct D_ThreadRegCacheSlot
{
D_ThreadRegCacheNode *first;
D_ThreadRegCacheNode *last;
};
typedef struct D_ThreadRegCacheStripe D_ThreadRegCacheStripe;
struct D_ThreadRegCacheStripe
{
Arena *arena;
RWMutex rw_mutex;
};
typedef struct D_ThreadRegCache D_ThreadRegCache;
struct D_ThreadRegCache
{
U64 slots_count;
D_ThreadRegCacheSlot *slots;
U64 stripes_count;
D_ThreadRegCacheStripe *stripes;
};
////////////////////////////////
//~ rjf: Module Image Info Cache Types
typedef struct D_ModuleInfo D_ModuleInfo;
struct D_ModuleInfo
{
U64 entry_point_voff;
UWND_Unwinder unwinder;
void *unwind_info;
String8 local_debug_info_path;
U64 raddbg_attached_marker_voff;
String8 raddbg_data;
};
typedef struct D_ModuleInfoCacheNode D_ModuleInfoCacheNode;
struct D_ModuleInfoCacheNode
{
D_ModuleInfoCacheNode *next;
D_ModuleInfoCacheNode *prev;
AccessPt access_pt;
D_Handle module;
Arena *arena;
D_ModuleInfo v;
};
typedef struct D_ModuleInfoCacheSlot D_ModuleInfoCacheSlot;
struct D_ModuleInfoCacheSlot
{
D_ModuleInfoCacheNode *first;
D_ModuleInfoCacheNode *last;
};
typedef struct D_ModuleInfoCache D_ModuleInfoCache;
struct D_ModuleInfoCache
{
U64 slots_count;
D_ModuleInfoCacheSlot *slots;
StripeArray stripes;
};
////////////////////////////////
//~ rjf: Opened Dump Cache Types
typedef struct D_DumpMemoryRange D_DumpMemoryRange;
struct D_DumpMemoryRange
{
U64 base_vaddr;
Rng1U64 foff_range;
};
typedef struct D_DumpThread D_DumpThread;
struct D_DumpThread
{
D_Handle thread_handle;
U32 id;
U64 context_foff;
};
typedef struct D_DumpModule D_DumpModule;
struct D_DumpModule
{
D_Handle module_handle;
Rng1U64 vaddr_range;
String8 path;
File file;
FileProperties props;
FileMap map;
void *base;
};
typedef struct D_DumpNode D_DumpNode;
struct D_DumpNode
{
D_DumpNode *next;
D_DumpNode *prev;
D_Handle process;
File file;
FileProperties props;
FileMap map;
void *base;
Arena *arena;
D_DumpMemoryRange *memory_ranges;
U64 memory_ranges_count;
D_DumpThread *threads;
U64 threads_count;
D_DumpModule *modules;
U64 modules_count;
};
typedef struct D_DumpSlot D_DumpSlot;
struct D_DumpSlot
{
D_DumpNode *first;
D_DumpNode *last;
};
typedef struct D_DumpCache D_DumpCache;
struct D_DumpCache
{
U64 slots_count;
D_DumpSlot *slots;
StripeArray stripes;
};
////////////////////////////////
//~ rjf: Touched Debug Info Directory Cache
typedef struct D_DbgDirNode D_DbgDirNode;
struct D_DbgDirNode
{
D_DbgDirNode *first;
D_DbgDirNode *last;
D_DbgDirNode *next;
D_DbgDirNode *prev;
D_DbgDirNode *parent;
String8 name;
U64 search_count;
U64 child_count;
U64 module_direct_count;
};
////////////////////////////////
//~ rjf: Control Thread Evaluation Scopes
typedef struct D_EvalScope D_EvalScope;
struct D_EvalScope
{
Access *access;
E_BaseCtx base_ctx;
E_IRCtx ir_ctx;
E_InterpretCtx interpret_ctx;
};
////////////////////////////////
//~ rjf: Module Requirement Cache Types
typedef struct D_ModuleReqCacheNode D_ModuleReqCacheNode;
struct D_ModuleReqCacheNode
{
D_ModuleReqCacheNode *next;
D_Handle module;
B32 required;
};
////////////////////////////////
//~ rjf: Wakeup Hook Function Types
#define D_WAKEUP_FUNCTION_DEF(name) void name(void)
typedef D_WAKEUP_FUNCTION_DEF(D_WakeupFunctionType);
////////////////////////////////
//~ rjf: Main State Types
typedef struct D_CtrlState D_CtrlState;
struct D_CtrlState
{
Arena *arena;
D_WakeupFunctionType *wakeup_hook;
// rjf: name -> register hash tables for eval
E_String2NumMap arch_string2reg_tables[Arch_COUNT];
// rjf: caches
D_ThreadRegCache thread_reg_cache;
D_ModuleInfoCache module_info_cache;
D_DumpCache dump_cache;
// rjf: generations
U64 run_gen;
U64 mem_gen;
U64 reg_gen;
// rjf: user -> ctrl msg ring buffer
U64 u2c_ring_size;
U8 *u2c_ring_base;
U64 u2c_ring_write_pos;
U64 u2c_ring_read_pos;
Mutex u2c_ring_mutex;
CondVar u2c_ring_cv;
// rjf: ctrl -> user event ring buffer
U64 c2u_ring_size;
U64 c2u_ring_max_string_size;
U8 *c2u_ring_base;
U64 c2u_ring_write_pos;
U64 c2u_ring_read_pos;
Mutex c2u_ring_mutex;
CondVar c2u_ring_cv;
// rjf: ctrl thread state
U64 ctrl_thread_dump_handle_id_gen;
U64 ctrl_thread_run_state;
String8 ctrl_thread_log_path;
Thread ctrl_thread;
Log *ctrl_thread_log;
RWMutex ctrl_thread_entity_ctx_rw_mutex;
D_EntityCtxRWStore *ctrl_thread_entity_store;
E_Cache *ctrl_thread_eval_cache;
Arena *ctrl_thread_msg_process_arena;
Arena *dmn_event_arena;
DMN_EventNode *first_dmn_event_node;
DMN_EventNode *last_dmn_event_node;
DMN_EventNode *free_dmn_event_node;
Arena *user_entry_point_arena;
String8List user_entry_points;
U64 exception_code_filters[(D_ExceptionCodeKind_COUNT+63)/64];
U64 process_counter;
Arena *dbg_dir_arena;
D_DbgDirNode *dbg_dir_root;
U64 module_req_cache_slots_count;
D_ModuleReqCacheNode **module_req_cache_slots;
String8List msg_user_bp_touched_files;
String8List msg_user_bp_touched_symbols;
};
////////////////////////////////
//~ rjf: Globals
global D_CtrlState *d_ctrl_state = 0;
thread_static D_EntityCtx *d_entity_ctx = 0;
read_only global D_Entity d_entity_nil =
{
&d_entity_nil,
&d_entity_nil,
&d_entity_nil,
&d_entity_nil,
&d_entity_nil,
};
read_only global D_CallStackTreeNode d_call_stack_tree_node_nil =
{
0,
&d_call_stack_tree_node_nil,
&d_call_stack_tree_node_nil,
&d_call_stack_tree_node_nil,
&d_call_stack_tree_node_nil,
};
thread_static D_EntityCtxLookupAccel *d_entity_ctx_lookup_accel = 0;
read_only global D_ModuleInfo d_module_info_nil = {0};
////////////////////////////////
//~ rjf: Basic Type Functions
internal U64 d_hash_from_handle(D_Handle handle);
internal D_EventCause d_event_cause_from_dmn_event_kind(DMN_EventKind event_kind);
internal D_ExceptionKind d_exception_kind_from_dmn(DMN_ExceptionKind kind);
internal String8 d_string_from_event_kind(D_EventKind kind);
internal String8 d_string_from_msg_kind(D_MsgKind kind);
internal D_EntityKind d_entity_kind_from_string(String8 string);
internal DMN_TrapFlags d_dmn_trap_flags_from_breakpoint_flags(D_BreakpointFlags flags);
internal D_BreakpointFlags d_breakpoint_flags_from_dmn_trap_flags(DMN_TrapFlags flags);
////////////////////////////////
//~ rjf: Handle Type Functions
internal D_Handle d_handle_zero(void);
internal B32 d_handle_match(D_Handle a, D_Handle b);
internal void d_handle_list_push(Arena *arena, D_HandleList *list, D_Handle *pair);
internal D_HandleList d_handle_list_copy(Arena *arena, D_HandleList *src);
internal D_HandleArray d_handle_array_from_list(Arena *arena, D_HandleList *src);
internal String8 d_string_from_handle(Arena *arena, D_Handle handle);
internal D_Handle d_handle_from_string(String8 string);
internal DMN_Handle d_dmn_from_handle(D_Handle handle);
internal D_Handle d_handle_from_dmn(D_MachineID machine_id, DMN_Handle handle);
internal D_Handle d_dump_handle_make(D_MachineID machine_id, U64 id);
////////////////////////////////
//~ rjf: Trap Type Functions
internal void d_trap_list_push(Arena *arena, D_TrapList *list, D_Trap *trap);
internal D_TrapList d_trap_list_copy(Arena *arena, D_TrapList *src);
////////////////////////////////
//~ rjf: User Breakpoint Type Functions
internal void d_breakpoint_list_push(Arena *arena, D_BreakpointList *list, D_Breakpoint *bp);
internal D_BreakpointList d_breakpoint_list_copy(Arena *arena, D_BreakpointList *src);
////////////////////////////////
//~ rjf: Message Type Functions
//- rjf: deep copying
internal void d_msg_deep_copy(Arena *arena, D_Msg *dst, D_Msg *src);
//- rjf: list building
internal D_Msg *d_msg_list_push(Arena *arena, D_MsgList *list);
internal D_MsgList d_msg_list_deep_copy(Arena *arena, D_MsgList *src);
internal void d_msg_list_concat_in_place(D_MsgList *dst, D_MsgList *src);
//- rjf: serialization
internal String8 d_serialized_string_from_msg_list(Arena *arena, D_MsgList *msgs);
internal D_MsgList d_msg_list_from_serialized_string(Arena *arena, String8 string);
////////////////////////////////
//~ rjf: Event Type Functions
//- rjf: list building
internal D_Event *d_event_list_push(Arena *arena, D_EventList *list);
internal void d_event_list_concat_in_place(D_EventList *dst, D_EventList *to_push);
//- rjf: serialization
internal String8 d_serialized_string_from_event(Arena *arena, D_Event *event, U64 max);
internal D_Event d_event_from_serialized_string(Arena *arena, String8 string);
////////////////////////////////
//~ rjf: Entity Type Functions
//- rjf: entity context selection
internal D_EntityCtx *d_select_entity_ctx(D_EntityCtx *ctx);
//- rjf: entity list data structures
internal void d_entity_list_push(Arena *arena, D_EntityList *list, D_Entity *entity);
internal D_EntityList d_entity_list_from_handle_list(Arena *arena, D_HandleList *list);
#define d_entity_list_first(list) ((list)->first ? (list)->first->v : &d_entity_nil)
//- rjf: entity array data structure
internal D_EntityArray d_entity_array_from_list(Arena *arena, D_EntityList *list);
#define d_entity_array_first(array) ((array)->count != 0 ? (array)->v[0] : &d_entity_nil)
//- rjf: entity context (entity group read-only) functions
internal D_Entity *d_entity_from_handle(D_Handle handle);
internal D_Entity *d_entity_child_from_kind(D_Entity *parent, D_EntityKind kind);
internal D_Entity *d_entity_ancestor_from_kind(D_Entity *entity, D_EntityKind kind);
internal D_Entity *d_process_from_entity(D_Entity *entity);
internal D_Entity *d_module_from_process_vaddr(D_Entity *process, U64 vaddr);
internal DI_Key d_dbgi_key_from_module(D_Entity *module);
internal D_Entity *d_module_from_thread_candidates(D_Entity *thread, D_EntityList *candidates);
internal U64 d_vaddr_from_voff(D_Entity *module, U64 voff);
internal U64 d_voff_from_vaddr(D_Entity *module, U64 vaddr);
internal Rng1U64 d_vaddr_range_from_voff_range(D_Entity *module, Rng1U64 voff_range);
internal Rng1U64 d_voff_range_from_vaddr_range(D_Entity *module, Rng1U64 vaddr_range);
internal B32 d_entity_tree_is_frozen(D_Entity *root);
//- rjf: entity tree iteration
internal D_EntityRec d_entity_rec_depth_first(D_Entity *entity, D_Entity *subtree_root, U64 sib_off, U64 child_off);
#define d_entity_rec_depth_first_pre(entity, subtree_root) d_entity_rec_depth_first((entity), (subtree_root), OffsetOf(D_Entity, next), OffsetOf(D_Entity, first))
//- rjf: entity ctx r/w store state functions
internal D_EntityCtxRWStore *d_entity_ctx_rw_store_alloc(void);
internal void d_entity_ctx_rw_store_release(D_EntityCtxRWStore *store);
//- rjf: string allocation/deletion
internal U64 d_name_bucket_num_from_string_size(U64 size);
internal String8 d_entity_string_alloc(D_EntityCtxRWStore *store, String8 string);
internal void d_entity_string_release(D_EntityCtxRWStore *store, String8 string);
//- rjf: entity construction/deletion
internal D_Entity *d_entity_alloc(D_EntityCtxRWStore *store, D_Entity *parent, D_EntityKind kind, Arch arch, D_Handle handle, U64 id);
internal void d_entity_release(D_EntityCtxRWStore *store, D_Entity *entity);
//- rjf: entity equipment
internal void d_entity_equip_string(D_EntityCtxRWStore *store, D_Entity *entity, String8 string);
//- rjf: accelerated entity context lookups
internal D_EntityCtxLookupAccel *d_thread_entity_ctx_lookup_accel(void);
internal D_EntityArray d_entity_array_from_kind(D_EntityKind kind);
internal D_EntityList d_modules_from_dbgi_key(Arena *arena, DI_Key dbgi_key);
internal D_Entity *d_thread_from_id(U64 id);
//- rjf: applying events to entity caches
internal void d_entity_store_apply_events(D_EntityCtxRWStore *store, D_EventList *list);
////////////////////////////////
//~ rjf: Wakeup Callback Registration
internal void d_set_wakeup_hook(D_WakeupFunctionType *wakeup_hook);
////////////////////////////////
//~ rjf: Thread Register Functions
//- rjf: thread handle read/write
internal B32 d_thread_read_reg_block(D_Handle handle, void *reg_block);
internal B32 d_thread_write_reg_block(D_Handle thread, void *reg_block);
internal U64 d_ip_from_thread(D_Handle handle);
internal U64 d_sp_from_thread(D_Handle handle);
internal B32 d_thread_get_module_tls_vaddr(D_Handle thread, D_Handle module, U64 *vaddr_out);
//- rjf: thread register cache reading
internal void *d_cached_reg_block_from_thread(Arena *arena, D_Handle handle);
internal U64 d_cached_ip_from_thread(D_Handle handle);
internal U64 d_cached_sp_from_thread(D_Handle handle);
////////////////////////////////
//~ rjf: Module Image Info Functions
//- rjf: cache lookups
internal D_ModuleInfo *d_info_from_module(Access *access, D_Handle module);
internal U64 d_entry_point_voff_from_module(D_Handle module_handle);
internal String8 d_initial_debug_info_path_from_module(Arena *arena, D_Handle module_handle);
////////////////////////////////
//~ rjf: Unwinding Functions
internal D_Unwind d_unwind_from_thread(Arena *arena, D_Handle thread, U64 endt_us);
////////////////////////////////
//~ rjf: Call Stack Building Functions
internal D_CallStack d_call_stack_from_unwind(Arena *arena, D_Entity *process, D_Unwind *base_unwind);
internal D_CallStackFrame *d_call_stack_frame_from_unwind_and_inline_depth(D_CallStack *call_stack, U64 unwind_count, U64 inline_depth);
////////////////////////////////
//~ rjf: Halting All Attached Processes
internal void d_halt(void);
////////////////////////////////
//~ rjf: Shared Accessor Functions
//- rjf: generation counters
internal U64 d_run_gen(void);
internal U64 d_mem_gen(void);
internal U64 d_reg_gen(void);
//- rjf: name -> register/alias hash tables, for eval
internal E_String2NumMap *d_string2reg_from_arch(Arch arch);
////////////////////////////////
//~ rjf: Control-Thread Functions
//- rjf: user -> control thread communication
internal B32 d_u2c_push_msgs(D_MsgList *msgs, U64 endt_us);
internal D_MsgList d_u2c_pop_msgs(Arena *arena);
//- rjf: control -> user thread communication
internal void d_c2u_push_events(D_EventList *events);
internal D_EventList d_c2u_pop_events(Arena *arena);
//- rjf: entry point
internal void d_ctrl_thread__entry_point(void *p);
//- rjf: breakpoint resolution
internal void d_ctrl_thread__append_resolved_module_user_bp_traps(Arena *arena, D_EvalScope *eval_scope, D_Handle process, D_Handle module, D_BreakpointList *user_bps, DMN_TrapChunkList *traps_out);
internal void d_ctrl_thread__append_resolved_process_user_bp_traps(Arena *arena, D_EvalScope *eval_scope, D_Handle process, D_BreakpointList *user_bps, DMN_TrapChunkList *traps_out);
internal void d_ctrl_thread__append_program_defined_bp_traps(Arena *arena, D_Entity *bp, DMN_TrapChunkList *traps_out);
//- rjf: module lifetime open/close work
internal void d_ctrl_thread__module_open(D_Handle process, D_Handle module, U64 base_vaddr, DMN_ModuleInfo *module_info);
internal void d_ctrl_thread__module_close(D_Handle process, D_Handle module, U64 base_vaddr);
//- rjf: dump process closing work
internal void d_ctrl_thread__close_dump_process(D_MsgID msg_id, D_Handle process);
//- rjf: attached process running/event gathering
internal DMN_Event *d_ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_ctx, D_Msg *msg, DMN_RunCtrls *run_ctrls, D_Spoof *spoof);
//- rjf: eval helpers
internal U64 d_ctrl_eval_space_gen(E_Space space);
internal B32 d_ctrl_eval_space_read(E_Space space, void *out, E_SpaceRangeInfo *out_range_info, Rng1U64 vaddr_range);
//- rjf: control thread eval scopes
internal D_EvalScope *d_ctrl_thread__eval_scope_begin(Arena *arena, D_BreakpointList *user_bps, D_Entity *thread);
internal void d_ctrl_thread__eval_scope_end(D_EvalScope *scope);
//- rjf: log flusher
internal void d_ctrl_thread__end_and_flush_log(void);
//- rjf: msg kind implementations
internal void d_ctrl_thread__launch(DMN_CtrlCtx *ctrl_ctx, D_Msg *msg);
internal void d_ctrl_thread__attach(DMN_CtrlCtx *ctrl_ctx, D_Msg *msg);
internal void d_ctrl_thread__open_crash_dump(DMN_CtrlCtx *ctrl_ctx, D_Msg *msg);
internal void d_ctrl_thread__kill(DMN_CtrlCtx *ctrl_ctx, D_Msg *msg);
internal void d_ctrl_thread__kill_all(DMN_CtrlCtx *ctrl_ctx, D_Msg *msg);
internal void d_ctrl_thread__detach(DMN_CtrlCtx *ctrl_ctx, D_Msg *msg);
internal void d_ctrl_thread__run(DMN_CtrlCtx *ctrl_ctx, D_Msg *msg);
internal void d_ctrl_thread__single_step(DMN_CtrlCtx *ctrl_ctx, D_Msg *msg);
////////////////////////////////
//~ rjf: Process Memory Artifact Cache Hooks / Lookups
//- rjf: synchronous process memory reading helpers
internal U64 d_process_read(D_Handle process, Rng1U64 range, void *dst);
internal B32 d_process_write(D_Handle process, Rng1U64 range, void *dst);
internal String8 d_data_from_process_vaddr_range(Arena *arena, D_Handle process, Rng1U64 vaddr_range, B32 zero_terminated);
#define d_process_read_struct(process, vaddr, ptr) d_process_read((process), r1u64((vaddr), (vaddr) + sizeof(*(ptr))), (ptr))
#define d_process_write_struct(process, vaddr, ptr) d_process_write((process), r1u64((vaddr), (vaddr)+(sizeof(*ptr))), (ptr))
//- rjf: process memory artifact cache
internal AC_Artifact d_memory_artifact_create(String8 key, B32 *cancel_signal, B32 *retry_out, U64 *gen_out);
internal void d_memory_artifact_destroy(AC_Artifact artifact);
internal C_Key d_key_from_process_vaddr_range(D_Handle process, Rng1U64 vaddr_range, B32 zero_terminated, B32 wait_for_fresh, U64 endt_us, B32 *out_is_stale);
//- rjf: process memory reading helpers
internal D_ProcessMemorySlice d_process_memory_slice_from_vaddr_range(Arena *arena, D_Handle process, Rng1U64 range, B32 wait_for_fresh, U64 endt_us);
internal B32 d_process_memory_read(D_Handle process, Rng1U64 range, B32 *is_stale_out, void *out, U64 endt_us);
#define d_process_memory_read_struct(process, vaddr, is_stale_out, ptr, endt_us) d_process_memory_read((process), r1u64((vaddr), (vaddr)+(sizeof(*(ptr)))), (is_stale_out), (ptr), (endt_us))
////////////////////////////////
//~ rjf: TLS Address Artifact Cache Hooks / Lookups
internal AC_Artifact d_tls_vaddr_artifact_create(String8 key, B32 *cancel_signal, B32 *retry_out, U64 *gen_out);
internal void d_tls_vaddr_artifact_destroy(AC_Artifact artifact);
internal U64 d_cached_tls_vaddr_from_thread_module(D_Handle thread_handle, D_Handle module_handle, U64 endt_us, B32 *stale_out);
////////////////////////////////
//~ rjf: Call Stack Artifact Cache Hooks / Lookups
internal AC_Artifact d_call_stack_artifact_create(String8 key, B32 *cancel_signal, B32 *retry_out, U64 *gen_out);
internal void d_call_stack_artifact_destroy(AC_Artifact artifact);
internal D_CallStack d_call_stack_from_thread(Access *access, D_Handle thread_handle, B32 high_priority, U64 endt_us);
////////////////////////////////
//~ rjf: Call Stack Tree Artifact Cache Hooks / Lookups
internal AC_Artifact d_call_stack_tree_artifact_create(String8 key, B32 *cancel_signal, B32 *retry_out, U64 *gen_out);
internal void d_call_stack_tree_artifact_destroy(AC_Artifact artifact);
internal D_CallStackTree d_call_stack_tree(Access *access, U64 endt_us);
#endif // DBG_ENGINE_CTRL_H