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boards/arm/gcc: disable coverage analysis temporarily

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**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>
This commit is contained in:
chao an 2022-10-24 13:48:47 +08:00 committed by Xiang Xiao
parent a4df3c0330
commit fa0577ebfb
2 changed files with 0 additions and 4 deletions
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2
boards/arm/rp2040/pimoroni-tiny2040/configs/nsh-flash/defconfig
View File

@ -15,7 +15,6 @@ CONFIG_ARCH_BOARD="pimoroni-tiny2040"
CONFIG_ARCH_BOARD_PIMORONI_TINY2040=y
CONFIG_ARCH_CHIP="rp2040"
CONFIG_ARCH_CHIP_RP2040=y
CONFIG_ARCH_COVERAGE=y
CONFIG_ARCH_RAMVECTORS=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARDCTL_RESET=y
@ -44,7 +43,6 @@ CONFIG_START_DAY=11
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2021
CONFIG_SYSLOG_CONSOLE=y
CONFIG_SYSTEM_GCOV=y
CONFIG_SYSTEM_NSH=y
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_OSTEST=y

2
boards/arm/rp2040/pimoroni-tiny2040/configs/nsh/defconfig
View File

@ -16,7 +16,6 @@ CONFIG_ARCH_BOARD="pimoroni-tiny2040"
CONFIG_ARCH_BOARD_PIMORONI_TINY2040=y
CONFIG_ARCH_CHIP="rp2040"
CONFIG_ARCH_CHIP_RP2040=y
CONFIG_ARCH_COVERAGE=y
CONFIG_ARCH_RAMVECTORS=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARDCTL_RESET=y
@ -42,7 +41,6 @@ CONFIG_START_DAY=11
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2021
CONFIG_SYSLOG_CONSOLE=y
CONFIG_SYSTEM_GCOV=y
CONFIG_SYSTEM_NSH=y
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_OSTEST=y