wasm/machine.h

   1 #ifndef RB_WASM_SUPPORT_MACHINE_H
   2 #define RB_WASM_SUPPORT_MACHINE_H
   3
   4 // Function pointer used as scan callbacks
   5 typedef void (*rb_wasm_scan_func)(void*, void*);
   6
   7 // Scan WebAssembly locals in the all call stack (like registers) spilled by Asyncify
   8 // Used by conservative GC
   9 void rb_wasm_scan_locals(rb_wasm_scan_func scan);
  10
  11 // Get base address of userland C-stack memory space in WebAssembly. Used by conservative GC
  12 void *rb_wasm_stack_get_base(void);
  13
  14
  15 // Get the current stack pointer
  16 void *rb_wasm_get_stack_pointer(void);
  17
  18 // Set the current stack pointer
  19 void rb_wasm_set_stack_pointer(void *sp);
  20
  21 // Returns the Asyncify buffer of next rewinding if unwound for spilling locals.
  22 // Used by the top level Asyncify handling in wasm/runtime.c
  23 void *rb_wasm_handle_scan_unwind(void);
  24
  25 #endif