minecraft-pi-reborn/media-layer/trampoline/src/host/host.h
2024-05-11 21:14:14 -04:00

28 lines
943 B
C

#pragma once
#include <stdint.h>
// Trampoline Function
typedef void *(*g2h_t)(uint32_t guest_addr);
void trampoline(g2h_t g2h, uint32_t id, uint32_t *args); // See trampoline.patch
// Macro
typedef void handler_t(g2h_t g2h, uint32_t *args);
__attribute__((visibility("internal"))) void _add_handler(unsigned char id, handler_t *handler);
#define CALL(unique_id, name, ignored1, ignored2) \
static handler_t _run_##name; \
__attribute__((constructor)) static void _init_##name() { \
_add_handler(unique_id, _run_##name); \
} \
static void _run_##name(__attribute__((unused)) g2h_t g2h, __attribute__((unused)) uint32_t *args) { \
__attribute__((unused)) int _current_arg = 0; \
static typeof(name) *func = name;
// Helper Macros
#define next_int() args[_current_arg++]
#define next_ptr() g2h(next_int())
#define next_float() pun_to(float, next_int())
#define ret(x) \
args[0] = x; \
return;