Load function pointers from the base pointer.

Author: blueskythlikesclouds

PowerUtils/ppc_context.h

@@ -105,8 +105,12 @@
 #define PPC_CALL_FUNC(x) x(ctx, base)
 #endif
 
+#define PPC_MEMORY_SIZE        0x100000000ull
+#define PPC_FUNC_TABLE_OFFSET  PPC_MEMORY_SIZE
+#define PPC_FUNC_TABLE_SIZE    0x200000000ull
+
 #ifndef PPC_CALL_INDIRECT_FUNC
-#define PPC_CALL_INDIRECT_FUNC(x) (*(PPCFunc**)(ctx.fn + uint64_t(x) * 2))(ctx, base)
+#define PPC_CALL_INDIRECT_FUNC(x) (*(PPCFunc**)(base + PPC_FUNC_TABLE_OFFSET + (uint64_t(x) * 2)))(ctx, base)
 #endif
 
 typedef void PPCFunc(struct PPCContext& __restrict__ ctx, uint8_t* base);
@@ -309,7 +313,6 @@ struct PPCContext
     PPCRegister r31;
 #endif
 
-    uint8_t* fn;
 #ifndef PPC_CONFIG_SKIP_LR
     uint64_t lr;
 #endif