arch: Add ARCH_COVERAGE_ALL option

so the user could disable the full image instrumentation,
but enable the instrumentation by files or directories.

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

arch/Kconfig

@@ -304,6 +304,18 @@ config ARCH_COVERAGE
 	---help---
 		Generate code coverage
 
+config ARCH_COVERAGE_ALL
+	bool "Enable code coverage for the entire image"
+	depends on ARCH_COVERAGE
+	default y
+	---help---
+		This option activates code coverage instrumentation for the
+		entire image. If you don't enable this option, you have to
+		explicitly specify "-fprofile-generate -ftest-coverage" for
+		the files/directories you want to check. Enabling this option
+		will get image size increased and performance decreased
+		significantly.
+
 comment "Architecture Options"
 
 config ARCH_NOINTC

arch/arm/src/arm/Toolchain.defs

@@ -75,7 +75,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

arch/arm/src/armv6-m/Toolchain.defs

@@ -79,7 +79,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

arch/arm/src/armv7-a/Toolchain.defs

@@ -120,7 +120,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

arch/arm/src/armv7-m/Toolchain.defs

@@ -81,7 +81,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

arch/arm/src/armv7-r/Toolchain.defs

@@ -69,7 +69,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

arch/arm/src/armv8-m/Toolchain.defs

@@ -81,7 +81,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

arch/arm64/src/Toolchain.defs

@@ -58,7 +58,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

arch/risc-v/src/common/Toolchain.defs

@@ -63,7 +63,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

arch/xtensa/src/lx6/Toolchain.defs

@@ -75,7 +75,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

arch/xtensa/src/lx7/Toolchain.defs

@@ -75,7 +75,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 

boards/sim/sim/sim/scripts/Make.defs

@@ -67,7 +67,7 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
   ARCHOPTIMIZATION += -fstack-protector-all
 endif
 
-ifeq ($(CONFIG_ARCH_COVERAGE),y)
+ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif