Regarding gcov using arm-eabi toolchain

by Manish Sharma » Wed, 08 Dec 2010 16:28:03 GMT


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 Dear All,

We have developed an application for which we would like to check the code
coverage.
We have used gcov available in android toolchain.

In our Android.mk file we have added the following LOCAL_FLAGS and included
the libgcov static library.

LOCAL_CFLAGS:= -fprofile-arcs -ftest-coverage

LOCAL_STATIC_LIBRARIES := libgcov

We got some compilation issues which was resolved by copying the libgcov
library from
prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/lib/gcc/arm-eabi/4.4.0/android/libgcov.a
using BUILD_PREBUILT make rules.

The output executable size is also increased with this and in out folder was
can see *.gcno files getting created.

When we execute the test *.gcda files are generated on target but when we
try to take the code coverage using lcov it is not generating the code
coverage report.

lcov --directory code_coverage/ --capture --output-file ./code_coverage.info
genhtml -o code_coverage/ ./code_coverage.info

We have tested the same setup with arm-linux toolchain and it works fine.

Please provide some pointer which we can look into.

Regards,
Manish

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