This patch set adds support to build the RTEMS libraries with gcov instrumentation to get code and branch coverage. There are some improvements necessary in the build system to support different compiler flags for libraries and tests. In general, code coverage is enabled by the new RTEMS_COVERAGE build configuration option. The user can fine tune the build through the LIBRARY_OPTIMIZATION_FLAGS, TEST_OPTIMIZATION_FLAGS, and COVERAGE_COMPILER_FLAGS, COVERAGE_LINKER_FLAGS options. The gcov information is dumped after each test case in a base64 encoded gcfn and gcda data stream. It looks like this:
*** BEGIN OF GCOV INFO BASE64 *** bmZjZyAxMkJSAAAAL3RtcC9zaC9iLXJ0ZW1zL2FybS94aWxpbnhfenlucV9hOV9xZW11L2NwdWtp dC9saWJjc3VwcG9ydC9zcmMvX19nZXR0b2QuYy42NS5nY2RhAGFkY2cgMTJCPoT6qo6mcBUAAAAB DAAAAOOrF1pxp0aIPrK7wAAAoQHw////AAAAAQwAAADTfDdNQYCYwJ9ZRL0AAKEBIAAAAAQAAAAA ... srvAAAChAfD///8AAAABDAAAAMXOxS0Rhzqx6Old2wAAoQH4////AAAAAQwAAACYh8U9/rgJ5hMc ig8AAKEB2P///wAAAAEMAAAAN3+9YAwMW8gTHIoPAAChAdj///8AAAABDAAAADAwMx4TuamFPrK7 wAAAoQHw////AAAAAQwAAACvassJzDNWd/lKs3wAAKEB8P///wAAAAA= *** END OF GCOV INFO BASE64 *** On the host you can decode the block and pipe it through the gcov-tool to produce the *.gcda files. Example Python code: block = some regex stuff to get the block between the BEGIN/END OF ... stream = base64.b64decode(block) subprocess.run(["arm-rtems6-gcov-tool", "merge-stream"], input=stream) Sebastian Huber (12): build: Add more flags to BuildItemContext build: Move BSP_INCLUDES split build: Fix identifier pattern build: Improve value substitution build: Add cppflags, cflags, cxxflags to groups build: Allow separate optimization flags gcov: Add fork(), etc. gcov wrappers gcov: Add functions to dump the gcov information gcov: Add wrapper to dump the gcov info build: Add RTEMS_COVERAGE option samples/minimum: Prevent a stack overflow libtests/crypt01: Avoid stack overflows cpukit/include/rtems/score/io.h | 4 + cpukit/include/rtems/test-info.h | 6 + cpukit/libcsupport/src/gcovfork.c | 94 ++++++++++++++ cpukit/libtest/testgcovbspreset.c | 54 ++++++++ cpukit/libtest/testgcovcpufatalhalt.c | 54 ++++++++ cpukit/libtest/testgcovdumpinfo.c | 66 ++++++++++ cpukit/score/src/iogcovdumpinfo.c | 101 +++++++++++++++ cpukit/score/src/iogcovdumpinfobase64.c | 111 ++++++++++++++++ spec/build/bsps/aarch64/a53/grp.yml | 3 + spec/build/bsps/aarch64/a72/grp.yml | 3 + spec/build/bsps/aarch64/grp.yml | 3 + spec/build/bsps/aarch64/xilinx-versal/grp.yml | 3 + .../bsps/aarch64/xilinx-versal/grp_qemu.yml | 3 + .../bsps/aarch64/xilinx-versal/grp_vck190.yml | 3 + spec/build/bsps/aarch64/xilinx-zynqmp/grp.yml | 3 + .../bsps/aarch64/xilinx-zynqmp/grp_zu3eg.yml | 5 +- spec/build/bsps/arm/beagle/grp.yml | 3 + spec/build/bsps/arm/csb337/grp.yml | 3 + spec/build/bsps/arm/fvp/grp.yml | 3 + spec/build/bsps/arm/grp.yml | 3 + spec/build/bsps/arm/lm3s69xx/grp.yml | 3 + spec/build/bsps/arm/lpc176x/grp.yml | 3 + spec/build/bsps/arm/lpc24xx/grp.yml | 3 + spec/build/bsps/arm/lpc32xx/grp.yml | 3 + spec/build/bsps/arm/raspberrypi/grp.yml | 3 + spec/build/bsps/arm/rtl22xx/grp.yml | 3 + spec/build/bsps/arm/stm32f4/grp.yml | 3 + spec/build/bsps/arm/stm32h7/grp.yml | 3 + spec/build/bsps/arm/tms570/grp.yml | 3 + spec/build/bsps/arm/xilinx-zynq/grp.yml | 3 + spec/build/bsps/bfin/grp.yml | 3 + spec/build/bsps/bspopts.yml | 6 + spec/build/bsps/grpmake.yml | 3 + spec/build/bsps/i386/grp.yml | 3 + spec/build/bsps/i386/pc386/grp.yml | 3 + spec/build/bsps/lm32/grp.yml | 3 + spec/build/bsps/lm32/lm32_evr/grp.yml | 3 + spec/build/bsps/m68k/gen68360/grp.yml | 3 + spec/build/bsps/m68k/genmcf548x/grp.yml | 3 + spec/build/bsps/m68k/grp.yml | 3 + spec/build/bsps/m68k/mvme162/grp.yml | 3 + spec/build/bsps/microblaze/grp.yml | 3 + .../bsps/microblaze/microblaze_fpga/grp.yml | 3 + spec/build/bsps/mips/grp.yml | 3 + spec/build/bsps/optcflags.yml | 17 +++ spec/build/bsps/optincludes.yml | 1 + spec/build/bsps/optliboptflags.yml | 18 +++ spec/build/bsps/opto0.yml | 4 +- spec/build/bsps/opto1.yml | 4 +- spec/build/bsps/opto2.yml | 4 +- spec/build/bsps/optog.yml | 4 +- spec/build/bsps/optos.yml | 4 +- spec/build/bsps/opttestoptflags.yml | 18 +++ spec/build/bsps/or1k/grp.yml | 3 + spec/build/bsps/powerpc/gen5200/grp.yml | 3 + spec/build/bsps/powerpc/gen83xx/grp.yml | 3 + spec/build/bsps/powerpc/grp.yml | 3 + .../bsps/powerpc/motorola_powerpc/grp.yml | 3 + spec/build/bsps/powerpc/mpc55xxevb/grp.yml | 3 + spec/build/bsps/powerpc/qoriq/grp.yml | 3 + spec/build/bsps/powerpc/tqm8xx/grp.yml | 3 + spec/build/bsps/riscv/griscv/grp.yml | 3 + spec/build/bsps/riscv/grp.yml | 3 + spec/build/bsps/riscv/riscv/grp.yml | 3 + spec/build/bsps/sh/shsim/grp.yml | 3 + spec/build/bsps/sparc/grp.yml | 3 + spec/build/bsps/sparc/leon2/grp.yml | 3 + spec/build/bsps/sparc/leon3/grp.yml | 3 + spec/build/bsps/sparc64/grp.yml | 3 + spec/build/bsps/v850/gdbv850sim/grp.yml | 3 + spec/build/bsps/x86_64/grp.yml | 3 + spec/build/cpukit/cpuopts.yml | 10 ++ spec/build/cpukit/grp.yml | 7 + spec/build/cpukit/librtemscpu.yml | 3 + spec/build/cpukit/librtemstest.yml | 3 + spec/build/cpukit/optcoverage.yml | 16 +++ spec/build/cpukit/optcoveragecflags.yml | 20 +++ spec/build/cpukit/optcoverageldflags.yml | 25 ++++ spec/build/cpukit/optnocoveragecflags.yml | 18 +++ spec/build/cpukit/optnocoverageldflags.yml | 18 +++ spec/build/grp.yml | 3 + spec/build/testsuites/ada/grp.yml | 3 + spec/build/testsuites/benchmarks/grp.yml | 3 + spec/build/testsuites/fstests/grp.yml | 3 + spec/build/testsuites/grp.yml | 8 +- spec/build/testsuites/libtests/grp.yml | 3 + spec/build/testsuites/mptests/grp.yml | 3 + spec/build/testsuites/psxtests/grp.yml | 3 + spec/build/testsuites/psxtmtests/grp.yml | 3 + spec/build/testsuites/rhealstone/grp.yml | 3 + spec/build/testsuites/samples/grp.yml | 3 + spec/build/testsuites/smptests/grp.yml | 3 + spec/build/testsuites/sptests/grp.yml | 3 + spec/build/testsuites/tmtests/grp.yml | 3 + spec/build/testsuites/unit/grp.yml | 3 + spec/build/testsuites/validation/grp.yml | 3 + testsuites/libtests/crypt01/init.c | 6 +- testsuites/samples/minimum/init.c | 5 + testsuites/validation/tc-terminate.c | 3 +- wscript | 120 +++++++++++++----- 100 files changed, 986 insertions(+), 52 deletions(-) create mode 100644 cpukit/libcsupport/src/gcovfork.c create mode 100644 cpukit/libtest/testgcovbspreset.c create mode 100644 cpukit/libtest/testgcovcpufatalhalt.c create mode 100644 cpukit/libtest/testgcovdumpinfo.c create mode 100644 cpukit/score/src/iogcovdumpinfo.c create mode 100644 cpukit/score/src/iogcovdumpinfobase64.c create mode 100644 spec/build/bsps/optcflags.yml create mode 100644 spec/build/bsps/optliboptflags.yml create mode 100644 spec/build/bsps/opttestoptflags.yml create mode 100644 spec/build/cpukit/optcoverage.yml create mode 100644 spec/build/cpukit/optcoveragecflags.yml create mode 100644 spec/build/cpukit/optcoverageldflags.yml create mode 100644 spec/build/cpukit/optnocoveragecflags.yml create mode 100644 spec/build/cpukit/optnocoverageldflags.yml -- 2.35.3 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
