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gcov: Add coverage support for arc qemu platform

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* add toolchain abstraction for coverage
* add select HAS_COVERAGE_SUPPORT to kconfig
* port gcov linker code to CKake for arc

Signed-off-by: Jingru Wang <jingru@synopsys.com>
This commit is contained in:
Jingru Wang 2020-08-04 19:45:33 +08:00 • committed by Carles Cufí
commit dae250472f
3 changed files with 20 additions and 0 deletions
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4
arch/arc/core/CMakeLists.txt
View file

@ -2,6 +2,10 @@
zephyr_library()
if(CONFIG_COVERAGE)
toolchain_cc_coverage()
endif()
zephyr_library_sources(
thread.c
thread_entry_wrapper.S

1
boards/arc/qemu_arc/Kconfig.board
View file

@ -6,3 +6,4 @@ config BOARD_QEMU_ARC
bool "ARC QEMU for EM & HS cores"
depends on SOC_QEMU_ARC
select QEMU_TARGET
select HAS_COVERAGE_SUPPORT

15
subsys/testsuite/coverage/coverage_ram.ld
View file

@ -45,3 +45,18 @@ SECTION_PROLOGUE(_GCOV_BSS_SECTION_NAME, (NOLOAD),)
__gcov_bss_num_words = ((__gcov_bss_end - __gcov_bss_start) >> 2);
__gcov_bss_size = __gcov_bss_end - __gcov_bss_start;
#endif
#ifdef CONFIG_ARC
SECTION_PROLOGUE(_GCOV_BSS_SECTION_NAME, (NOLOAD),)
{
MPU_MIN_SIZE_ALIGN
. = ALIGN(4);
__gcov_bss_start = .;
*(".bss.__gcov0.*");
MPU_MIN_SIZE_ALIGN
__gcov_bss_end = .;
}GROUP_DATA_LINK_IN(RAMABLE_REGION, RAMABLE_REGION)
__gcov_bss_num_words = ((__gcov_bss_end - __gcov_bss_start) >> 2);
__gcov_bss_size = __gcov_bss_end - __gcov_bss_start;
#endif