gcov: Add coverage support for arc qemu platform

* 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

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