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In devices without storage media, you can export data to the command line and then generate the corresponding gcda file It can save the result output by calling __gcov_info_to_gcda The usage is similar to: https://gcc.gnu.org/onlinedocs/gcc/Freestanding-Environments.html#Profiling-and-Test-Coverage-in-Freestanding-Environments Usage: ./tools/configure.sh qemu-armv7a:nsh Modify the configuration +CONFIG_COVERAGE_ALL=y +CONFIG_COVERAGE_MINI=y +CONFIG_SYSTEM_GCOV=y Run: qemu-system-arm -cpu cortex-a7 -nographic -smp 4 \ -machine virt,virtualization=off,gic-version=2 \ -net none -chardev stdio,id=con,mux=on -serial chardev:con \ -mon chardev=con,mode=readline -kernel ./nuttx/nuttx -semihosting -s | tee gcov.txt ./nuttx/tools/gcov_convert.py -i ./gcov.txt ./nuttx/tools/gcov.sh -t arm-none-eabi-gcov Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
30 lines
1.1 KiB
Text
30 lines
1.1 KiB
Text
############################################################################
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# libs/libbuiltin/libgcc/Make.defs
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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ifeq ($(CONFIG_PROFILE_MINI),y)
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CSRCS += profile.c
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endif
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ifeq ($(CONFIG_COVERAGE_MINI)$(CONFIG_ARCH_TOOLCHAIN_GCC),yy)
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CSRCS += gcov.c
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endif
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DEPPATH += --dep-path libgcc
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VPATH += :libgcc
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