silently filter access violations in asan's shadow address space

src/ctrl/ctrl_core.h

@@ -46,6 +46,26 @@ struct CTRL_MachineIDHandlePairList
   U64 count;
 };
 
+////////////////////////////////
+//~ rjf: Unwind Types
+
+typedef struct CTRL_UnwindFrame CTRL_UnwindFrame;
+struct CTRL_UnwindFrame
+{
+  CTRL_UnwindFrame *next;
+  U64 rip;
+  void *regs;
+};
+
+typedef struct CTRL_Unwind CTRL_Unwind;
+struct CTRL_Unwind
+{
+  CTRL_UnwindFrame *first;
+  CTRL_UnwindFrame *last;
+  U64 count;
+  B32 error;
+};
+
 ////////////////////////////////
 //~ rjf: Trap Types
 
@@ -552,6 +572,12 @@ internal U64 ctrl_rip_from_thread(CTRL_MachineID machine_id, CTRL_Handle thread)
 internal B32 ctrl_thread_write_rip(CTRL_MachineID machine_id, CTRL_Handle thread, U64 rip);
 internal U64 ctrl_tls_root_vaddr_from_thread(CTRL_MachineID machine_id, CTRL_Handle thread);
 
+//- rjf: process * vaddr -> module
+internal CTRL_Handle ctrl_module_from_process_vaddr(CTRL_MachineID machine_id, CTRL_Handle process, U64 vaddr);
+
+//- rjf: unwinding
+internal CTRL_Unwind ctrl_unwind_from_thread(Arena *arena, CTRL_MachineID machine_id, CTRL_Handle thread);
+
 //- rjf: name -> register/alias hash tables, for eval
 internal EVAL_String2NumMap *ctrl_string2reg_from_arch(Architecture arch);
 internal EVAL_String2NumMap *ctrl_string2alias_from_arch(Architecture arch);