From fd8142403e749b00e701f1c6831e8fc48f19c374 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 21 Jul 2010 15:18:24 +0000
Subject: add a build system option for collecting all kernel debug information
 (including modules) in a tarball

SVN-Revision: 22327
---
 include/kernel-build.mk | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'include/kernel-build.mk')

diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index 7c5d1fbe9c..648e65848a 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -44,6 +44,19 @@ define Download/kernel
   MD5SUM:=$(LINUX_KERNEL_MD5SUM)
 endef
 
+ifdef CONFIG_COLLECT_KERNEL_DEBUG
+  define Kernel/CollectDebug
+	rm -rf $(KERNEL_BUILD_DIR)/debug
+	mkdir -p $(KERNEL_BUILD_DIR)/debug/modules
+	$(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/debug/
+	-$(CP) \
+		$(STAGING_DIR_ROOT)/lib/modules/$(LINUX_VERSION)/* \
+		$(KERNEL_BUILD_DIR)/debug/modules/
+	$(FIND) $(KERNEL_BUILD_DIR)/debug -type f | $(XARGS) $(KERNEL_CROSS)strip --only-keep-debug
+	$(TAR) c -C $(KERNEL_BUILD_DIR) debug | bzip2 -c -9 > $(BIN_DIR)/kernel-debug.tar.bz2
+  endef
+endif
+
 define BuildKernel
   $(if $(QUILT),$(Build/Quilt))
   $(if $(LINUX_SITE),$(call Download,kernel))
@@ -86,6 +99,7 @@ define BuildKernel
 
   $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) $(if $(CONFIG_STRIP_KERNEL_EXPORTS),$(KERNEL_BUILD_DIR)/symtab.h) FORCE
 	$(Kernel/CompileImage)
+	$(Kernel/CollectDebug)
 	touch $$@
 	
   mostlyclean: FORCE
-- 
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