sh: Enable CONFIG_GCOV_PROFILE_ALL for sh

This patch enables gcov kernel profiling over the whole kernel for sh.
Profiling of specific files individually already worked. A handful of
files have to be explicitly excluded from the profiling to avoid
breaking things, notably pmb.c.

Signed-off-by: Chris Smith <chris.smith@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index e0b0293..780e083 100644 (file)
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -11,6 +11,8 @@ targets               := vmlinux vmlinux.bin vmlinux.bin.gz \
 
 OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
 
+GCOV_PROFILE := n
+
 #
 # IMAGE_OFFSET is the load offset of the compression loader
 #

diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index 150aa32..2228c8c 100644 (file)
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -42,6 +42,8 @@ obj-$(CONFIG_IOREMAP_FIXED)   += ioremap_fixed.o
 obj-$(CONFIG_UNCACHED_MAPPING) += uncached.o
 obj-$(CONFIG_HAVE_SRAM_POOL)   += sram.o
 
+GCOV_PROFILE_pmb.o := n
+
 # Special flags for fault_64.o.  This puts restrictions on the number of
 # caller-save registers that the compiler can target when building this file.
 # This is required because the code is called from a context in entry.S where

diff --git a/kernel/gcov/Kconfig b/kernel/gcov/Kconfig
index 70a298d..b8cadf7 100644 (file)
--- a/kernel/gcov/Kconfig
+++ b/kernel/gcov/Kconfig
@@ -34,7 +34,7 @@ config GCOV_KERNEL
 config GCOV_PROFILE_ALL
        bool "Profile entire Kernel"
        depends on GCOV_KERNEL
-       depends on S390 || X86 || (PPC && EXPERIMENTAL) || MICROBLAZE
+       depends on SUPERH || S390 || X86 || (PPC && EXPERIMENTAL) || MICROBLAZE
        default n
        ---help---
        This options activates profiling for the entire kernel.