build: Add RTEMS_GCOV_COVERAGE option

Update #4670.

9 files changed, 112 insertions, 2 deletions

diff --git a/spec/build/bsps/optcflags.yml b/spec/build/bsps/optcflags.yml
index ef03940bff..302f1723a6 100644
--- a/spec/build/bsps/optcflags.yml
+++ b/spec/build/bsps/optcflags.yml
@@ -1,7 +1,7 @@
 SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
 actions:
 - set-value: |
-    ${BSP_OPTIMIZATION_FLAGS}
+    ${BSP_OPTIMIZATION_FLAGS} ${COVERAGE_COMPILER_FLAGS}
 - substitute: null
 - split: null
 - env-assign: null
diff --git a/spec/build/cpukit/cpuopts.yml b/spec/build/cpukit/cpuopts.yml
index 301d49ccea..86cc7f676a 100644
--- a/spec/build/cpukit/cpuopts.yml
+++ b/spec/build/cpukit/cpuopts.yml
@@ -68,6 +68,16 @@ links:
 - role: build-dependency
   uid: optsztime
 - role: build-dependency
+  uid: optcoverage
+- role: build-dependency
+  uid: optcoveragecflags
+- role: build-dependency
+  uid: optnocoveragecflags
+- role: build-dependency
+  uid: optcoverageldflags
+- role: build-dependency
+  uid: optnocoverageldflags
+- role: build-dependency
   uid: optversion
 target: cpukit/include/rtems/score/cpuopts.h
 type: build
diff --git a/spec/build/cpukit/grp.yml b/spec/build/cpukit/grp.yml
index ec9cab2167..76e57aed96 100644
--- a/spec/build/cpukit/grp.yml
+++ b/spec/build/cpukit/grp.yml
@@ -2,11 +2,13 @@ SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
 build-type: group
 cflags:
 - ${CPUKIT_OPTIMIZATION_FLAGS}
+- ${COVERAGE_COMPILER_FLAGS}
 copyrights:
 - Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
 cppflags: []
 cxxflags:
 - ${CPUKIT_OPTIMIZATION_FLAGS}
+- ${COVERAGE_COMPILER_FLAGS}
 enabled-by: true
 includes: []
 install: []
diff --git a/spec/build/cpukit/optcoverage.yml b/spec/build/cpukit/optcoverage.yml
new file mode 100644
index 0000000000..7c7013fe43
--- /dev/null
+++ b/spec/build/cpukit/optcoverage.yml
@@ -0,0 +1,16 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-boolean: null
+- env-enable: null
+- define-condition: null
+build-type: option
+copyrights:
+- Copyright (C) 2022 embedded brains GmbH (http://www.embedded-brains.de)
+default: false
+default-by-variant: []
+description: |
+  Enable the code and branch coverage support.
+enabled-by: true
+links: []
+name: RTEMS_GCOV_COVERAGE
+type: build
diff --git a/spec/build/cpukit/optcoveragecflags.yml b/spec/build/cpukit/optcoveragecflags.yml
new file mode 100644
index 0000000000..08cc79eb6c
--- /dev/null
+++ b/spec/build/cpukit/optcoveragecflags.yml
@@ -0,0 +1,20 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-string: null
+- split: null
+- env-assign: null
+build-type: option
+copyrights:
+- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+default:
+- --coverage
+- -fprofile-info-section=.rtemsroset.gcov_info.content
+- -fprofile-update=atomic
+default-by-variant: []
+description: |
+  Compiler flags recommended for components which should generate coverage
+  information.
+enabled-by: RTEMS_GCOV_COVERAGE
+links: []
+name: COVERAGE_COMPILER_FLAGS
+type: build
diff --git a/spec/build/cpukit/optcoverageldflags.yml b/spec/build/cpukit/optcoverageldflags.yml
new file mode 100644
index 0000000000..600c89e770
--- /dev/null
+++ b/spec/build/cpukit/optcoverageldflags.yml
@@ -0,0 +1,25 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-string: null
+- split: null
+- env-assign: null
+build-type: option
+copyrights:
+- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+default:
+- -Wl,--wrap=_CPU_Fatal_halt
+- -Wl,--wrap=bsp_reset
+- -Wl,--start-group
+- -lrtemsbsp
+- -lrtemscpu
+- -lrtemstest
+- -lgcov
+- -Wl,--end-group
+default-by-variant: []
+description: |
+  Linker flags recommended for executables which contain modules with coverage
+  information.
+enabled-by: RTEMS_GCOV_COVERAGE
+links: []
+name: COVERAGE_LINKER_FLAGS
+type: build
diff --git a/spec/build/cpukit/optnocoveragecflags.yml b/spec/build/cpukit/optnocoveragecflags.yml
new file mode 100644
index 0000000000..4cdb245f3e
--- /dev/null
+++ b/spec/build/cpukit/optnocoveragecflags.yml
@@ -0,0 +1,18 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-string: null
+- split: null
+- env-assign: null
+build-type: option
+copyrights:
+- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+default: []
+default-by-variant: []
+description: |
+  Compiler flags recommended for components which should generate coverage
+  information.
+enabled-by:
+  not: RTEMS_GCOV_COVERAGE
+links: []
+name: COVERAGE_COMPILER_FLAGS
+type: build
diff --git a/spec/build/cpukit/optnocoverageldflags.yml b/spec/build/cpukit/optnocoverageldflags.yml
new file mode 100644
index 0000000000..247b171d26
--- /dev/null
+++ b/spec/build/cpukit/optnocoverageldflags.yml
@@ -0,0 +1,18 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-string: null
+- split: null
+- env-assign: null
+build-type: option
+copyrights:
+- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+default: []
+default-by-variant: []
+description: |
+  Linker flags recommended for executables which contain modules which generate
+  coverage information.
+enabled-by:
+  not: RTEMS_GCOV_COVERAGE
+links: []
+name: COVERAGE_LINKER_FLAGS
+type: build
diff --git a/spec/build/testsuites/grp.yml b/spec/build/testsuites/grp.yml
index 18c8ccd4d8..cb06fd6ae7 100644
--- a/spec/build/testsuites/grp.yml
+++ b/spec/build/testsuites/grp.yml
@@ -11,7 +11,8 @@ enabled-by: true
 includes:
 - ${BSP_INCLUDES}
 install: []
-ldflags: []
+ldflags:
+- ${COVERAGE_LINKER_FLAGS}
 links:
 - role: build-dependency
   uid: optada