From: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: ltp-coverage@lists.sourceforge.net,
Andrew Morton <akpm@linux-foundation.org>,
Peter Oberparleiter <oberparleiter@googlemail.com>
Subject: [PATCH 7/7] gcov: architecture specific compile flag adjustments
Date: Mon, 19 May 2008 10:45:06 +0200 [thread overview]
Message-ID: <48313E12.4060002@de.ibm.com> (raw)
From: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Exclude code from profiling which is not linked to the main kernel or
which is running in a context not compatible with the assumptions made
by gcc's profiling code.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
---
arch/arm/boot/compressed/Makefile | 1 +
arch/ppc/boot/Makefile | 1 +
arch/ppc/boot/common/Makefile | 1 +
arch/ppc/boot/simple/Makefile | 1 +
arch/x86/boot/Makefile | 1 +
arch/x86/boot/compressed/Makefile | 1 +
arch/x86/kernel/acpi/realmode/Makefile | 1 +
7 files changed, 7 insertions(+)
Index: linux-2.6.26-rc3/arch/arm/boot/compressed/Makefile
===================================================================
--- linux-2.6.26-rc3.orig/arch/arm/boot/compressed/Makefile
+++ linux-2.6.26-rc3/arch/arm/boot/compressed/Makefile
@@ -7,6 +7,7 @@
HEAD = head.o
OBJS = misc.o
FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
+GCOV := n
#
# Architecture dependencies
Index: linux-2.6.26-rc3/arch/x86/boot/compressed/Makefile
===================================================================
--- linux-2.6.26-rc3.orig/arch/x86/boot/compressed/Makefile
+++ linux-2.6.26-rc3/arch/x86/boot/compressed/Makefile
@@ -12,6 +12,7 @@ cflags-$(CONFIG_X86_64) := -mcmodel=smal
KBUILD_CFLAGS += $(cflags-y)
KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
+GCOV := n
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
Index: linux-2.6.26-rc3/arch/ppc/boot/Makefile
===================================================================
--- linux-2.6.26-rc3.orig/arch/ppc/boot/Makefile
+++ linux-2.6.26-rc3/arch/ppc/boot/Makefile
@@ -16,6 +16,7 @@
# KBUILD_CFLAGS used when building rest of boot (takes effect recursively)
KBUILD_CFLAGS += -fno-builtin -D__BOOTER__ -Iarch/$(ARCH)/boot/include
HOSTCFLAGS += -Iarch/$(ARCH)/boot/include
+GCOV := n
BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd
Index: linux-2.6.26-rc3/arch/ppc/boot/common/Makefile
===================================================================
--- linux-2.6.26-rc3.orig/arch/ppc/boot/common/Makefile
+++ linux-2.6.26-rc3/arch/ppc/boot/common/Makefile
@@ -5,6 +5,7 @@
# Tom Rini January 2001
#
+GCOV := n
lib-y := string.o util.o misc-common.o \
serial_stub.o bootinfo.o
lib-$(CONFIG_SERIAL_8250_CONSOLE) += ns16550.o
Index: linux-2.6.26-rc3/arch/ppc/boot/simple/Makefile
===================================================================
--- linux-2.6.26-rc3.orig/arch/ppc/boot/simple/Makefile
+++ linux-2.6.26-rc3/arch/ppc/boot/simple/Makefile
@@ -21,6 +21,7 @@
# XXX_memory.o file for this to work, as well as editing the
# misc-$(CONFIG_MACHINE) variable.
+GCOV := n
boot := arch/ppc/boot
common := $(boot)/common
utils := $(boot)/utils
Index: linux-2.6.26-rc3/arch/x86/boot/Makefile
===================================================================
--- linux-2.6.26-rc3.orig/arch/x86/boot/Makefile
+++ linux-2.6.26-rc3/arch/x86/boot/Makefile
@@ -71,6 +71,7 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os
$(call cc-option, -mpreferred-stack-boundary=2)
KBUILD_CFLAGS += $(call cc-option,-m32)
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+GCOV := n
$(obj)/zImage: IMAGE_OFFSET := 0x1000
$(obj)/zImage: asflags-y := $(SVGA_MODE) $(RAMDISK)
Index: linux-2.6.26-rc3/arch/x86/kernel/acpi/realmode/Makefile
===================================================================
--- linux-2.6.26-rc3.orig/arch/x86/kernel/acpi/realmode/Makefile
+++ linux-2.6.26-rc3/arch/x86/kernel/acpi/realmode/Makefile
@@ -42,6 +42,7 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os
$(call cc-option, -mpreferred-stack-boundary=2)
KBUILD_CFLAGS += $(call cc-option, -m32)
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+GCOV := n
WAKEUP_OBJS = $(addprefix $(obj)/,$(wakeup-y))
reply other threads:[~2008-05-19 8:46 UTC|newest]
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