From: Heiko Carstens <[email protected]>
CONFIG_FRAME_POINTER support for s390.
Signed-off-by: Heiko Carstens <[email protected]>
---
arch/s390/Makefile | 5 +++++
lib/Kconfig.debug | 2 +-
2 files changed, 6 insertions(+), 1 deletion(-)
diff -purN a/arch/s390/Makefile b/arch/s390/Makefile
--- a/arch/s390/Makefile 2006-06-14 10:56:55.000000000 +0200
+++ b/arch/s390/Makefile 2006-06-14 12:51:12.000000000 +0200
@@ -38,6 +38,11 @@ cflags-$(CONFIG_MARCH_G5) += $(call cc
cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900)
cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990)
+#
+# Prevent tail-call optimizations, to get clearer backtraces:
+#
+cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
+
# old style option for packed stacks
ifeq ($(call cc-option-yn,-mkernel-backchain),y)
cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK
diff -purN a/lib/Kconfig.debug b/lib/Kconfig.debug
--- a/lib/Kconfig.debug 2006-06-14 10:57:14.000000000 +0200
+++ b/lib/Kconfig.debug 2006-06-14 12:51:51.000000000 +0200
@@ -503,7 +503,7 @@ config DEBUG_VM
config FRAME_POINTER
bool "Compile the kernel with frame pointers"
- depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML)
+ depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390)
default y
help
If you say Y here the resulting kernel image will be slightly larger
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
