duct taped posix.dll (just like microsoft), new cursor, more info in the fault handlers, processes now have a parse-it-yourself cmdline, add SYS_WAIT_THREAD and SYS_GET_PROCESS_PID, writing still doesn't work

code/win32/kernel32.c

@@ -50,7 +50,7 @@ extern uint32_t SysCreateThread(uint64_t entry, uint64_t arg,
                                  uint32_t priority, uint32_t* tidOut);
 extern uint32_t SysGetCurrentTid(void);
 extern uint32_t SysGetCurrentPid(void);
-extern uint32_t SysCreateProcess(const char* path, uint32_t* handleOut);
+extern uint32_t SysCreateProcess(const char* path, uint32_t* handleOut, const char* cmdline);
 extern uint32_t SysWaitForProcess(uint32_t handle);
 extern uint32_t SysGetProcessExitCode(uint32_t handle, int* exitCodeOut);
 extern char     SysKbReadChar(void);
@@ -608,9 +608,12 @@ __declspec(dllexport) BOOL CreateProcessA(
         return FALSE;
     }
 
+    // Build the cmdline: prefer lpCommandLine if given, otherwise fall back to path
+    const char* cmdline = lpCommandLine ? lpCommandLine : targetPath;
+
     uint32_t kh = 0;
     // Call the syscall.dll stub
-    uint32_t s = SysCreateProcess(targetPath, &kh);
+    uint32_t s = SysCreateProcess(targetPath, &kh, cmdline);
     if (s != 0 || kh == 0) {
         gLastError = 2; // ERROR_FILE_NOT_FOUND
         return FALSE;