add flashplayer arch string

src/duk_features.h

@@ -1090,6 +1090,8 @@ extern double duk_computed_nan;
 #define DUK_USE_ARCH_STRING "mips"
 #elif defined(DUK_F_M68K)
 #define DUK_USE_ARCH_STRING "m68k"
+#elif defined(DUK_F_FLASHPLAYER)
+#define DUK_USE_ARCH_STRING "flashplayer"
 #else
 #define DUK_USE_ARCH_STRING "unknown"
 #endif

website/guide/portability.html

@@ -132,6 +132,13 @@ detail below the table.</p>
 <td>M68K</td>
 <td>Requires some preprocessor defines, datetime resolution limited to full seconds.</td>
 </tr>
+<tr>
+<td>Adobe Flash Runtime</td>
+<td>Crossbridge</td>
+<td>n/a</td>
+<td><code>-std=c99</code> recommended, may need <code>-jvmopt=-Xmx1G</code> if running
+    32-bit Java.  GCC-4.2 with Flash backend.</td>
+</tr>
 </tbody>
 </table>