esp-idf/tools/test_apps/build_system/ldgen_test/README.md

Supported Targets	ESP32	ESP32-C3	ESP32-C6	ESP32-S2	ESP32-S3

Runs a build test to check ldgen places libraries, objects and symbols correctly as specified in the linker fragments. Specifically, this app tests the placement for the main component, as specified in main/linker.lf The Python script that performs the checks, check_placements.py, automatically runs after the app is built.

ESP32-C2 doesn't have rtc memory, IDF-3834