+/* Store the address of the place in which to copy the structure the
+ subroutine will return. This is called from call_function. */
+
+static void
+m68k_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
+{
+ write_register (A1_REGNUM, addr);
+}
+
+/* Extract from an array regbuf containing the (raw) register state
+ a function return value of type type, and copy that, in virtual format,
+ into valbuf. This is assuming that floating point values are returned
+ as doubles in d0/d1. */
+
+static void
+m68k_deprecated_extract_return_value (struct type *type, char *regbuf,
+ char *valbuf)
+{
+ int offset = 0;
+ int typeLength = TYPE_LENGTH (type);
+
+ if (typeLength < 4)
+ offset = 4 - typeLength;
+
+ memcpy (valbuf, regbuf + offset, typeLength);
+}
+
+static CORE_ADDR
+m68k_deprecated_extract_struct_value_address (char *regbuf)
+{
+ return (*(CORE_ADDR *) (regbuf));
+}
+
+/* Write into appropriate registers a function return value
+ of type TYPE, given in virtual format. Assumes floats are passed
+ in d0/d1. */
+
+static void
+m68k_store_return_value (struct type *type, char *valbuf)
+{
+ write_register_bytes (0, valbuf, TYPE_LENGTH (type));
+}
+
+/* Describe the pointer in each stack frame to the previous stack frame
+ (its caller). */
+
+/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
+ chain-pointer.
+ In the case of the 68000, the frame's nominal address
+ is the address of a 4-byte word containing the calling frame's address. */
+
+/* If we are chaining from sigtramp, then manufacture a sigtramp frame
+ (which isn't really on the stack. I'm not sure this is right for anything
+ but BSD4.3 on an hp300. */
+
+static CORE_ADDR
+m68k_frame_chain (struct frame_info *thisframe)
+{
+ if (thisframe->signal_handler_caller)
+ return thisframe->frame;
+ else if (!inside_entry_file ((thisframe)->pc))
+ return read_memory_integer ((thisframe)->frame, 4);
+ else
+ return 0;
+}
+
+/* A function that tells us whether the function invocation represented
+ by fi does not have a frame on the stack associated with it. If it
+ does not, FRAMELESS is set to 1, else 0. */
+
+static int
+m68k_frameless_function_invocation (struct frame_info *fi)
+{
+ if (fi->signal_handler_caller)
+ return 0;
+ else
+ return frameless_look_for_prologue (fi);
+}
+
+static CORE_ADDR
+m68k_frame_saved_pc (struct frame_info *frame)
+{
+ if (frame->signal_handler_caller)
+ {
+ if (frame->next)
+ return read_memory_integer (frame->next->frame + SIG_PC_FP_OFFSET, 4);
+ else
+ return read_memory_integer (read_register (SP_REGNUM)
+ + SIG_PC_FP_OFFSET - 8, 4);
+ }
+ else
+ return read_memory_integer (frame->frame + 4, 4);
+}
+
+