diff --git a/environments/arm-linux/default_toolchain_file.cmake b/environments/arm-linux/default_toolchain_file.cmake
index 5869fa4..7e565dd 100644
--- a/environments/arm-linux/default_toolchain_file.cmake
+++ b/environments/arm-linux/default_toolchain_file.cmake
@@ -55,7 +55,7 @@
 endif()
 
 # Set flags affecting all build types supporting debugging.
-foreach(_b_type IN ITEMS DEBUG RELWITHDEBINFO MINSIZWITHDEBINFO)
+foreach(_b_type IN ITEMS DEBUG RELWITHDEBINFO MINSIZWITHDEBINFO DEBUGCOVERAGE)
 	string(APPEND CMAKE_C_FLAGS_${_b_type}_INIT " ${TS_DEBUG_INFO_FLAGS}")
 	string(APPEND CMAKE_CXX_FLAGS_${_b_type}_INIT " ${TS_DEBUG_INFO_FLAGS}")
 endforeach()
@@ -66,11 +66,13 @@
 string(APPEND CMAKE_C_FLAGS_MINSIZWITHDEBINFO_INIT " -Os")
 string(APPEND CMAKE_C_FLAGS_RELEASE_INIT " -O2")
 string(APPEND CMAKE_C_FLAGS_RELWITHDEBINFO_INIT " -O2")
+string(APPEND CMAKE_C_FLAGS_DEBUGCOVERAGE_INIT " -O0 -coverage")
 string(APPEND CMAKE_CXX_FLAGS_DEBUG_INIT " -O0")
 string(APPEND CMAKE_CXX_FLAGS_MINSIZEREL_INIT  " -Os")
 string(APPEND CMAKE_CXX_FLAGS_MINSIZWITHDEBINFO_INIT " -Os")
 string(APPEND CMAKE_CXX_FLAGS_RELEASE_INIT " -O2")
 string(APPEND CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT " -O2")
+string(APPEND CMAKE_CXX_FLAGS_DEBUGCOVERAGE_INIT " -O0 -coverage")
 
 include($ENV{TS_ROOT}/tools/cmake/compiler/GCC.cmake REQUIRED)
 include($ENV{TS_ROOT}/tools/cmake/compiler/config_iface.cmake REQUIRED)