mem.txt

   Section|                   Description| Start (hex)|   End (hex)|Used space
------------------------------------------------------------------------------
      data|        Initialized Data (RAM)|    3FFE8000|    3FFE8474|    1140
    rodata|           ReadOnly Data (RAM)|    3FFE8480|    3FFE8DB0|    2352
       bss|      Uninitialized Data (RAM)|    3FFE8DB0|    3FFF20C8|   37656
      lit4|     Uninitialized Data (IRAM)|    40106644|    40106644|       0
      text|          Uncached Code (IRAM)|    40100000|    40106644|   26180
irom0_text|             Cached Code (SPI)|    40209000|    4024AC90|  269456
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Entry Point : 40101C50 user_start_trampoline()
Total Used RAM : 67328
Free IRam : 6588 or 22972 (option 48k IRAM)
Free Heap : 40772
Total Free RAM : 63744