wasm/machine_core.S

   1         # extern int __stack_pointer;
   2         .globaltype __stack_pointer, i32
   3
   4         # NOTE: Implement this in raw assembly to avoid stack pointer
   5         #       operations in C-prologue and epilogue.
   6
   7         # void *rb_wasm_get_stack_pointer(void);
   8         .section        .text.rb_wasm_get_stack_pointer,"",@
   9         .globl  rb_wasm_get_stack_pointer
  10         .type   rb_wasm_get_stack_pointer,@function
  11 rb_wasm_get_stack_pointer:
  12         .functype       rb_wasm_get_stack_pointer () -> (i32)
  13         global.get      __stack_pointer
  14         end_function
  15
  16         # void rb_wasm_set_stack_pointer(void *sp);
  17         .section        .text.rb_wasm_set_stack_pointer,"",@
  18         .globl  rb_wasm_set_stack_pointer
  19         .type   rb_wasm_set_stack_pointer,@function
  20 rb_wasm_set_stack_pointer:
  21         .functype       rb_wasm_set_stack_pointer (i32) -> ()
  22         local.get       0
  23         global.set      __stack_pointer
  24         end_function
  25