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Gcov: Added support for x86.

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This patch adds all the required hooks needed in the kernel to
get the coverage reports from x86 SoCs.

Signed-off-by: Adithya Baglody <adithya.nagaraj.baglody@intel.com>
This commit is contained in:
Adithya Baglody 2018-08-31 15:08:31 +05:30 • committed by Anas Nashif
commit cb536111a9
4 changed files with 34 additions and 0 deletions
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6
arch/x86/core/x86_mmu.c
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@ -29,6 +29,12 @@ MMU_BOOT_REGION((u32_t)&__app_ram_start, (u32_t)&__app_ram_size,
MMU_BOOT_REGION((u32_t)&_app_smem_start, (u32_t)&_app_smem_size,
MMU_ENTRY_WRITE | MMU_ENTRY_USER | MMU_ENTRY_EXECUTE_DISABLE);
#endif
#ifdef CONFIG_COVERAGE_GCOV
MMU_BOOT_REGION((u32_t)&__gcov_bss_start, (u32_t)&__gcov_bss_size,
MMU_ENTRY_WRITE | MMU_ENTRY_USER | MMU_ENTRY_EXECUTE_DISABLE);
#endif
/* __kernel_ram_size includes all unused memory, which is used for heaps.
* User threads cannot access this unless granted at runtime. This is done
* automatically for stacks.