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tests: enable the code coverage report for qemu_x86_64

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Enable the code coverage report for qemu_x86_64 platform.
See issue #17991 please.

Signed-off-by: Enjia Mai <enjiax.mai@intel.com>
This commit is contained in:
Enjia Mai 2020-12-04 23:09:33 +08:00 • committed by Andrew Boie
commit 8d5a22c3c1
4 changed files with 20 additions and 5 deletions
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1
boards/x86/qemu_x86/Kconfig.board
View file

@ -12,3 +12,4 @@ config BOARD_QEMU_X86_64
depends on SOC_IA32
select QEMU_TARGET
select X86_64
select HAS_COVERAGE_SUPPORT

2
kernel/init.c
View file

@ -108,7 +108,7 @@ void z_bss_zero(void)
#endif /* CONFIG_CODE_DATA_RELOCATION */
#ifdef CONFIG_COVERAGE_GCOV
(void)memset(&__gcov_bss_start, 0,
((uint32_t) &__gcov_bss_end - (uint32_t) &__gcov_bss_start));
((uintptr_t) &__gcov_bss_end - (uintptr_t) &__gcov_bss_start));
#endif
}

6
subsys/testsuite/coverage/coverage.c
View file

@ -258,9 +258,9 @@ coverage_dump_end:
/* Initialize the gcov by calling the required constructors */
void gcov_static_init(void)
{
extern uint32_t __init_array_start, __init_array_end;
uint32_t func_pointer_start = (uint32_t) &__init_array_start;
uint32_t func_pointer_end = (uint32_t) &__init_array_end;
extern uintptr_t __init_array_start, __init_array_end;
uintptr_t func_pointer_start = (uintptr_t) &__init_array_start;
uintptr_t func_pointer_end = (uintptr_t) &__init_array_end;
while (func_pointer_start < func_pointer_end) {
void (**p)(void);

16
subsys/testsuite/coverage/coverage_ram.ld
View file

@ -31,7 +31,21 @@ __gcov_bss_num_words = ((__gcov_bss_end - __gcov_bss_start) >> 2);
__gcov_bss_size = __gcov_bss_end - __gcov_bss_start;
#endif
#ifdef CONFIG_X86
#ifdef CONFIG_X86_64
SECTION_PROLOGUE(_GCOV_BSS_SECTION_NAME, (NOLOAD), ALIGN(16))
{
MMU_PAGE_ALIGN
__gcov_bss_start = .;
*(".bss.__gcov0.*");
. = ALIGN(8);
MMU_PAGE_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;
#elif CONFIG_X86
SECTION_PROLOGUE(_GCOV_BSS_SECTION_NAME, (NOLOAD),)
{
MMU_PAGE_ALIGN