CodeTree/X86Code/X86FOREIGNCALL.sml

60                We use esi to hold the argument data pointer and edi to save the ML stack pointer
202                 (* Set the stack pointer past the data on the stack.  For Windows/64 add in a 32 byte save area *)
331                 loadMemory(esp, ebp, memRegStackPtr, nativeWordOpSize) (* Restore the ML stack pointer. *)
571                 (* Save the stack pointer. *)
573                 loadMemory(esp, ebp, memRegCStackPtr, nativeWordOpSize)  (* Load the saved C stack pointer. *)
597                 loadMemory(esp, ebp, memRegStackPtr, nativeWordOpSize) (* Restore the ML stack pointer. *)
729             (* Save the ML stack pointer because we may have grown the stack.  Switch to the C stack. *)
903                     (* Save the stack pointer. *)
905                     loadMemory(esp, ebp, memRegCStackPtr, nativeWordOpSize)  (* Load the saved C stack pointer. *)
943                     loadMemory(rsp, rbp, memRegStackPtr, nativeWordOpSize), (* Restore the ML stack pointer. *)
944                     (* Reload the heap pointer.  If we've called back to ML this could well have changed. *)
1099             (* Load the ML heap pointer. *)
1120             (* Save the ML stack pointer because we may have grown the stack.  Switch to the C stack. *)
1145            8-byte value (i.e.. a pointer, int64_t or a double) or one or more smaller values and
1413                 (* Save the stack pointer. *)
1415                 loadMemory(esp, ebp, memRegCStackPtr, nativeWordOpSize)  (* Load the saved C stack pointer. *)
1440                 loadMemory(esp, ebp, memRegStackPtr, nativeWordOpSize), (* Restore the ML stack pointer. *)
1441                 (* Reload the heap pointer.  If we've called back to ML this could well have changed. *)
1607             (* Load the ML heap pointer. *)
1628             (* Save the ML stack pointer because we may have grown the stack.  Switch to the C stack. *)