diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -554,8 +554,15 @@ endif ifdef CONFIG_FRAME_POINTER KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls else +# Some targets (ARM with Thumb2, for example), can't be built with frame +# pointers. For those, we don't have FUNCTION_TRACER automatically +# select FRAME_POINTER. However, FUNCTION_TRACER adds -pg, and this is +# incompatible with -fomit-frame-pointer with current GCC, so we don't use +# -fomit-frame-pointer with FUNCTION_TRACER. +ifndef CONFIG_FUNCTION_TRACER KBUILD_CFLAGS += -fomit-frame-pointer endif +endif ifdef CONFIG_DEBUG_INFO KBUILD_CFLAGS += -g @@ -568,6 +575,12 @@ endif ifdef CONFIG_FUNCTION_TRACER KBUILD_CFLAGS += -pg +ifdef CONFIG_DYNAMIC_FTRACE + ifdef CONFIG_HAVE_C_RECORDMCOUNT + BUILD_C_RECORDMCOUNT := y + export BUILD_C_RECORDMCOUNT + endif +endif endif # We trigger additional mismatches with less inlining @@ -591,6 +604,11 @@ KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) # conserve stack if available KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) +# check for 'asm goto' +ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y) + KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO +endif + # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments # But warn user when we do so warn-assign = \ |