syscalls: implement basic execve syscall, no argc, argv, envp support yet

grubshit/callee.c

@@ -0,0 +1,22 @@
+// callee.c
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[], char *envp[]) {
+    printf("--- In callee.c ---\n");
+    printf("This program has taken over the process.\n");
+
+    printf("argc: %d\n", argc);
+
+    printf("\nArguments (argv):\n");
+    for (int i = 0; argv[i] != NULL; i++) {
+        printf("  argv[%d]: %s\n", i, argv[i]);
+    }
+
+    printf("\nEnvironment Variables (envp):\n");
+    for (int i = 0; envp[i] != NULL; i++) {
+        printf("  %s\n", envp[i]);
+    }
+
+    return 0;
+}