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authorMatt Fleming <matt@console-pimps.org>2009-08-14 01:58:43 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-08-14 01:58:43 +0900
commitbd353861c735b2265c9d8b2559960c693e7c68ab (patch)
tree2cd13808cb4d50b6b4d63eff0d7ad5fa6d19f04d /arch/sh/Makefile
parent0eff9f66de79a0707a9c3a2f8528ccfd62100f0b (diff)
sh: dwarf unwinder support.
This is a first cut at a generic DWARF unwinder for the kernel. It's still lacking DWARF64 support and the DWARF expression support hasn't been tested very well but it is generating proper stacktraces on SH for WARN_ON() and NULL dereferences. Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/Makefile')
-rw-r--r--arch/sh/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index b6ff337fd856..e26421bf9976 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -191,6 +191,10 @@ ifeq ($(CONFIG_MCOUNT),y)
KBUILD_CFLAGS += -pg
endif
+ifeq ($(CONFIG_DWARF_UNWINDER),y)
+ KBUILD_CFLAGS += -fasynchronous-unwind-tables
+endif
+
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)