Converts the frame_pointer option to a Kconfig option.
Signed-off-by: Doug Goldstein <car...@cardoe.com>
---
CC: Andrew Cooper <andrew.coop...@citrix.com>
CC: George Dunlap <george.dun...@eu.citrix.com>
CC: Ian Jackson <ian.jack...@eu.citrix.com>
CC: Jan Beulich <jbeul...@suse.com>
CC: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
CC: Stefano Stabellini <sstabell...@kernel.org>
CC: Tim Deegan <t...@xen.org>
CC: Wei Liu <wei.l...@citrix.com>
---
INSTALL | 1 -
xen/Kconfig.debug | 8 ++++++++
xen/Rules.mk | 9 ++++-----
3 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/INSTALL b/INSTALL
index 35668bd..f55d42c 100644
--- a/INSTALL
+++ b/INSTALL
@@ -230,7 +230,6 @@ hypervisor build.
perfc=y
perfc_arrays=y
lock_profile=y
-frame_pointer=y
lto=y
During tools build external repos will be cloned into the source tree.
diff --git a/xen/Kconfig.debug b/xen/Kconfig.debug
index 7c115b0..f4eb815 100644
--- a/xen/Kconfig.debug
+++ b/xen/Kconfig.debug
@@ -19,6 +19,14 @@ config CRASH_DEBUG
If you want to be able to attach gdb to Xen to be able to debug
Xen if it crashes then say Y.
+config FRAME_POINTER
+ bool "Compile Xen with frame pointers"
+ default DEBUG
+ ---help---
+ If you say Y here the resulting Xen will be slightly larger and
+ maybe slower, but it gives very useful debugging information
+ in case of any Xen bugs.
+
config VERBOSE_DEBUG
bool "Verbose debug messages"
default DEBUG
diff --git a/xen/Rules.mk b/xen/Rules.mk
index 55096d3..ab6f7fc 100644
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -6,7 +6,6 @@
perfc ?= n
perfc_arrays ?= n
lock_profile ?= n
-frame_pointer ?= n
lto ?= n
-include $(BASEDIR)/include/config/auto.conf
@@ -15,9 +14,6 @@ include $(XEN_ROOT)/Config.mk
# Hardcoded configuration implications and dependencies.
# Do this is a neater way if it becomes unwieldy.
-ifeq ($(debug),y)
-frame_pointer := y
-endif
ifeq ($(perfc_arrays),y)
perfc := y
endif
@@ -28,6 +24,9 @@ endif
ifeq ($(origin debug),command line)
$(error "You must use 'make menuconfig' to enable/disable debug now.")
endif
+ifneq ($(origin frame_pointer),undefined)
+$(error "You must use 'make menuconfig' to enable/disable frame_pointer now.")
+endif
ifneq ($(origin kexec),undefined)
$(error "You must use 'make menuconfig' to enable/disable kexec now.")
endif
@@ -64,7 +63,7 @@ endif
CFLAGS-$(perfc) += -DPERF_COUNTERS
CFLAGS-$(perfc_arrays) += -DPERF_ARRAYS
CFLAGS-$(lock_profile) += -DLOCK_PROFILE
-CFLAGS-$(frame_pointer) += -fno-omit-frame-pointer -DCONFIG_FRAME_POINTER
+CFLAGS-$(CONFIG_FRAME_POINTER) += -fno-omit-frame-pointer
ifneq ($(max_phys_irqs),)
CFLAGS-y += -DMAX_PHYS_IRQS=$(max_phys_irqs)
--
2.7.3
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
