Firmware release candidate v1.20.0.rc6

Merge latest updates on IDF V3.1

Author: iwahdan88

esp32/bootloader/esp32.bootloader.ld

@@ -119,6 +119,7 @@ SECTIONS
   .iram.text :
   {
     _stext = .;
+    _loader_text_start = .;
     _text_start = ABSOLUTE(.);
     *(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
     *(.iram1 .iram1.*) /* catch stray IRAM_ATTR */
@@ -127,6 +128,7 @@ SECTIONS
     *(.gnu.version)
     _text_end = ABSOLUTE(.);
     _etext = .;
+    _loader_text_end = .;
   } > iram_seg
 
 }

esp32/bootloader/lib/libbootloader_support.a

@@ -2,7 +2,7 @@
 import sys
 import argparse
 import shutil
-
+import traceback
 
 
 def main():
@@ -62,6 +62,7 @@ def main():
         shutil.copy(src + '/openthread/libopenthread.a', dsttmpapp)
     except:
         print("Couldn't Copy IDF libs defaulting to Local Lib Folders!")
+        traceback.print_exc()
         shutil.rmtree(dsttmpbl)
         shutil.rmtree(dsttmpapp)
         return