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diff --git a/share/mk/sys.mk b/share/mk/sys.mk
--- a/share/mk/sys.mk
+++ b/share/mk/sys.mk
@@ -172,6 +172,7 @@
CTFCONVERT ?= ctfconvert
CTFMERGE ?= ctfmerge
+CTFDUMP ?= ctfdump
.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
CTFFLAGS += -g
diff --git a/sys/conf/kern.post.mk b/sys/conf/kern.post.mk
--- a/sys/conf/kern.post.mk
+++ b/sys/conf/kern.post.mk
@@ -54,6 +54,10 @@
MKMODULESENV+= COMPAT_FREEBSD32_ENABLED="yes"
.endif
+.if ${MK_CTF} != "no"
+KCTF_FILE= "kctf.raw"
+.endif
+
# Allow overriding the kernel debug directory, so kernel and user debug may be
# installed in different directories. Setting it to "" restores the historical
# behavior of installing debug files in the kernel directory.
@@ -201,6 +205,13 @@
.if ${MK_CTF} != "no"
@echo ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ...
@${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o
+# Dump merged CTF data into a file and uncompress it
+ @${OBJCOPY} --set-section-flags .SUNW_ctf=alloc,load ${.TARGET}
+ @${OBJCOPY} -O binary -j ".SUNW_ctf" ${.TARGET} kctf.bin
+ @${OBJCOPY} --set-section-flags .SUNW_ctf=readonly ${.TARGET}
+ @${CTFDUMP} -u ${KCTF_FILE} kctf.bin
+ @rm kctf.bin
+
.endif
.if !defined(DEBUG)
${OBJCOPY} --strip-debug ${.TARGET}
@@ -423,6 +434,9 @@
.endif
mkdir -p ${DESTDIR}${KODIR}
${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}/
+.if ${MK_CTF} != "no"
+ ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KCTF_FILE} ${DESTDIR}${KODIR}/
+.endif
.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
mkdir -p ${DESTDIR}${KERN_DEBUGDIR}${KODIR}
${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.debug ${DESTDIR}${KERN_DEBUGDIR}${KODIR}/

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