fa0577ebfb
**Please revert this change if arm resolved this issue in the next release** ARM GNU toolchain 11.3.Rel1 missing gcov_* symbols: https://community.arm.com/support-forums/f/compilers-and-libraries-forum/53354/arm-gnu-toolchain-11-3-rel1-missing-gcov_-symbols $ arm-none-eabi-gcc -v ... gcc version 11.3.1 20220712 (Arm GNU Toolchain 11.3.Rel1) $ cat main.c int __start(void) { return 0; } Compiler with arm GCC-11.3: $ arm-none-eabi-gcc -c -Wstrict-prototypes -Os -fno-strict-aliasing -fomit-frame-pointer -fprofile-generate \ -ftest-coverage -mthumb --coverage -fno-common -Wall -Wshadow -Wundef -ffunction-sections -fdata-sections -g \ -mlittle-endian -mcpu=cortex-m0 -mthumb -mfloat-abi=soft main.c -o main.o $ arm-none-eabi-ld --entry=__start -nostdlib --gc-sections -Tpimoroni-tiny2040-flash.ld -o test_gcov --start-group main.o \ ~/gcc/linux/arm/bin/../lib/gcc/arm-none-eabi/11.3.1/thumb/v6-m/nofp/libgcov.a --end-group arm-none-eabi-ld: main.o: in function `__start': /home/archer/code/nuttx/n4/incubator-nuttx/main.c:2: undefined reference to `__gcov_indirect_call_profiler_v4' arm-none-eabi-ld: /home/archer/code/nuttx/n4/incubator-nuttx/main.c:4: undefined reference to `__gcov_indirect_call' arm-none-eabi-ld: /home/archer/code/nuttx/n4/incubator-nuttx/main.c:4: undefined reference to `__gcov_time_profiler_counter' link success with arm GCC-10.3: $ arm-none-eabi-ld --entry=__start -nostdlib --gc-sections -Tpimoroni-tiny2040-flash.ld -o test_gcov --start-group main.o \ ~/lib/gcc/arm-none-eabi/10.3.1/thumb/v6-m/nofp/libgcov.a --end-group $ ls -l test_gcov -rwxrwxr-x 1 archer archer 68744 10月 24 12:51 test_gcov Signed-off-by: chao an <anchao@xiaomi.com> |
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