[PATCH] 2.5.40: lkcd (3/9): kerntypes addition

Matt D. Robinson (yakker@aparity.com)
Fri, 4 Oct 2002 16:03:38 -0700


This adds kerntypes into the build so that symbols can be
extracted from a single build object in the kernel. This
also modifies the install process to copy the Kerntypes
file along with the kernel and map.

diff -urN -X /home/bharata/dontdiff linux-2.5.40/Makefile linux-2.5.40+lkcd/Makefile
--- linux-2.5.40/Makefile Tue Oct 1 12:36:17 2002
+++ linux-2.5.40+lkcd/Makefile Thu Oct 3 07:20:38 2002
@@ -351,9 +351,17 @@

# Finally the vmlinux rule

-vmlinux: $(vmlinux-objs) $(kallsyms.o) arch/$(ARCH)/vmlinux.lds.s FORCE
+vmlinux: $(vmlinux-objs) $(kallsyms.o) arch/$(ARCH)/vmlinux.lds.s Kerntypes FORCE
$(call if_changed_rule,vmlinux)

+Kerntypes: init/kerntypes.o
+ @if [ -f init/kerntypes.o ]; then \
+ mv init/kerntypes.o Kerntypes; \
+ fi
+
+init/kerntypes.o: init/kerntypes.c include/config/MARKER
+ $(CC) $(CFLAGS) $(CFLAGS_KERNEL) -gstabs -c -o $*.o $<
+
# The actual objects are generated when descending,
# make sure no implicit rule kicks in

diff -urN -X /home/bharata/dontdiff linux-2.5.40/arch/i386/boot/Makefile linux-2.5.40+lkcd/arch/i386/boot/Makefile
--- linux-2.5.40/arch/i386/boot/Makefile Tue Oct 1 12:36:56 2002
+++ linux-2.5.40+lkcd/arch/i386/boot/Makefile Thu Oct 3 07:19:14 2002
@@ -70,12 +70,14 @@
zlilo: $(BOOTIMAGE)
if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
+ if [ -f $(INSTALL_PATH)/Kerntypes ]; then mv $(INSTALL_PATH)/Kerntypes $(INSTALL_PATH)/Kerntypes.old; fi
cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
cp $(TOPDIR)/System.map $(INSTALL_PATH)/
+ cp $(TOPDIR)/Kerntypes $(INSTALL_PATH)/
if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi

install: $(BOOTIMAGE)
- sh -x ./install.sh $(KERNELRELEASE) $(BOOTIMAGE) $(TOPDIR)/System.map "$(INSTALL_PATH)"
+ sh -x ./install.sh $(KERNELRELEASE) $(BOOTIMAGE) $(TOPDIR)/System.map $(TOPDIR)/Kerntypes "$(INSTALL_PATH)"

clean:
@echo 'Cleaning up (boot)'
diff -urN -X /home/bharata/dontdiff linux-2.5.40/arch/i386/boot/install.sh linux-2.5.40+lkcd/arch/i386/boot/install.sh
--- linux-2.5.40/arch/i386/boot/install.sh Tue Oct 1 12:37:35 2002
+++ linux-2.5.40+lkcd/arch/i386/boot/install.sh Thu Oct 3 07:19:14 2002
@@ -16,7 +16,8 @@
# $1 - kernel version
# $2 - kernel image file
# $3 - kernel map file
-# $4 - default install path (blank if root directory)
+# $4 - kernel type file
+# $5 - default install path (blank if root directory)
#

# User may have a custom install script
@@ -26,15 +27,20 @@

# Default install - same as make zlilo

-if [ -f $4/vmlinuz ]; then
- mv $4/vmlinuz $4/vmlinuz.old
+if [ -f $5/vmlinuz ]; then
+ mv $5/vmlinuz $5/vmlinuz.old
fi

-if [ -f $4/System.map ]; then
- mv $4/System.map $4/System.old
+if [ -f $5/System.map ]; then
+ mv $5/System.map $5/System.old
fi

-cat $2 > $4/vmlinuz
-cp $3 $4/System.map
+if [ -f $5/Kerntypes ]; then
+ mv $5/Kerntypes $5/Kerntypes.old
+fi
+
+cat $2 > $5/vmlinuz
+cp $3 $5/System.map
+cp $4 $5/Kerntypes

if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
diff -urN -X /home/bharata/dontdiff linux-2.5.40/init/kerntypes.c linux-2.5.40+lkcd/init/kerntypes.c
--- linux-2.5.40/init/kerntypes.c Thu Jan 1 05:30:00 1970
+++ linux-2.5.40+lkcd/init/kerntypes.c Thu Oct 3 07:19:14 2002
@@ -0,0 +1,28 @@
+/*
+ * kerntypes.c
+ *
+ * Copyright (C) 2000 Tom Morano (tjm@sgi.com) and
+ * Matt D. Robinson (yakker@alacritech.com)
+ *
+ * Dummy module that includes headers for all kernel types of interest.
+ * The kernel type information is used by the lcrash utility when
+ * analyzing system crash dumps or the live system. Using the type
+ * information for the running system, rather than kernel header files,
+ * makes for a more flexible and robust analysis tool.
+ *
+ * This source code is released under version 2 of the GNU GPL.
+ */
+#ifndef __KERNEL__
+#define __KERNEL__
+#endif
+#include <linux/module.h>
+#include <linux/autoconf.h>
+#include <linux/mm.h>
+#include <linux/config.h>
+#include <linux/utsname.h>
+#include <linux/dump.h>
+
+void
+kerntypes_dummy(void)
+{
+}
-
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