/* spl_syscall.h — built-in syscall layer for SIR VM
 *
 * Provides I/O native functions (putchar, getchar, file ops, etc.)
 * that compiled SPL programs can call via NCALL.
 *
 * spl_syscall_register() must be called AFTER spl_prog_load_from_file()
 * and BEFORE spl_vm_run_until().  It matches native declarations in the
 * loaded program against known syscall names and hooks up the C
 * implementations.
 */

#ifndef __SPL_SYSCALL_H__
#define __SPL_SYSCALL_H__

#include "spl_ir.h"

/* Register all known built-in syscalls into prog->natives[].
 * Entries whose name matches a known syscall get their impl_fn set;
 * unmatched entries remain NULL (will error at runtime if called). */
void spl_syscall_register(spl_prog_t *prog);

#endif /* __SPL_SYSCALL_H__ */