V. Dyld/custom/hello.c

@@ -0,0 +1,8 @@
+// clang -o hello hello.c
+#include <stdio.h>
+
+int main() {
+    printf("Hello!\n");
+    return 0;
+}
+

V. Dyld/custom/interpose.c

@@ -0,0 +1,22 @@
+// clang -dynamiclib -o libinterpose.dylib interpose.c
+#include <stdio.h>
+
+// Define the interpose macro
+#define DYLD_INTERPOSE(_replacement,_replacee) \
+   __attribute__((used)) static struct { \
+	   const void* replacement; \
+	   const void* replacee; \
+   } \
+   _interpose_##_replacee \
+            __attribute__ ((section ("__DATA,__interpose,interposing"))) = { \
+		    (const void*)(unsigned long)&_replacement, \
+		    (const void*)(unsigned long)&_replacee };
+
+// Define the replacement function
+int my_printf(const char *format, ...) {
+    int ret = printf("Hello from my_printf!\n");
+    return ret;
+}
+
+// Apply the interposing macro to replace printf with my_printf
+DYLD_INTERPOSE(my_printf, printf)

V. Dyld/python/CrimsonUroboros.py

@@ -1480,6 +1480,8 @@ class SnakeV(SnakeIV):
             for cmd in all_dyld_env:
                 print(cmd.value)
 
+
+
 ### --- ARGUMENT PARSER --- ###  
 class ArgumentParser:
     def __init__(self):