arch/sim: Link to libgcov.a when CONFIG_ARCH_COVERAGE is enabled

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

arch/sim/src/Makefile

@@ -110,6 +110,10 @@ ifeq ($(CONFIG_LIBM_TOOLCHAIN),y)
   STDLIBS += -lm
 endif
 
+ifeq ($(CONFIG_ARCH_COVERAGE),y)
+  STDLIBS += -lgcov
+endif
+
 ifeq ($(CONFIG_STACK_COLORATION),y)
   CSRCS += sim_checkstack.c
 endif

arch/sim/src/sim/CMakeLists.txt

@@ -27,6 +27,10 @@ set(HOSTSRCS)
 set(HOST_INCLUDE_DIRS)
 set(STDLIBS pthread)
 
+if(CONFIG_ARCH_COVERAGE)
+  list(APPEND STDLIBS gcov)
+endif()
+
 list(APPEND HOST_DEFINITIONS -D__SIM__)
 
 # common guest sources