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[C++]: wrapper functions around unwind code

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* Replaced all C++ exception related
  functions with wrappers if -fno-exception
  is used. This prevents linking of the
  corresponding code in libgcc. The code
  size will decrease by around 7-9 KB when
  building with -fno-exception.
* added no except test app

Closes https://github.com/espressif/esp-idf/pull/5380
Closes https://github.com/espressif/esp-idf/issues/5363
Closes https://github.com/espressif/esp-idf/issues/5224
Closes IDFGH-3153
Closes IDF-2577
This commit is contained in:
Jakob Hasse
2021-02-07 16:51:52 +08:00
parent 4de9ba152a
commit d376c161aa
9 changed files with 246 additions and 36 deletions
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2
tools/test_apps/system/cxx_no_except/sdkconfig.ci.riscv Normal file
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@@ -0,0 +1,2 @@
CONFIG_IDF_TARGET="esp32c3"
CONFIG_COMPILER_CXX_EXCEPTIONS=n