Huge amount of work. Does not even nearly compile, but it's nearer.

src/c/memory/stack.h

@@ -1,45 +0,0 @@
-/**
- *  memory/stack.h
- *
- *  The execution stack.
- *
- *  (c) 2026 Simon Brooke <simon@journeyman.cc>
- *  Licensed under GPL version 2.0, or, at your option, any later version.
- */
-
-#ifndef __psse_payloads_stack_frame_h
-#define __psse_payloads_stack_frame_h
-#include <stdint.h>
-
-#include "memory/pointer.h"
-/*
- * number of arguments stored in a stack frame
- */
-#define args_in_frame 8
-
-/** 
- * @brief The maximum depth of stack before we throw an exception.
- *
- * `0` is interpeted as `unlimited`.
- */
-extern uint32_t stack_limit;
-
-/**
- * A stack frame.
- */
-struct stack_frame_payload {
-    /** the previous frame. */
-    struct pso_pointer previous;
-    /** first 8 arument bindings. */
-    struct pso_pointer arg[args_in_frame];
-    /** list of any further argument bindings. */
-    struct pso_pointer more;
-    /** the function to be called. */
-    struct pso_pointer function;
-    /** the number of arguments provided. */
-    int args;
-    /** the depth of the stack below this frame */
-    int depth;
-};
-
-#endif