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Installing debug modules was a bad idea -- I bogusly assumed that

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our kernel linker will only load PT_LOAD segments, apparently not.
Instead, produce .dbg objects from .debug objects, and install
them together with non-debug objects, as described in objcopy(1).

Original code by:	obrien
This commit is contained in:
Ruslan Ermilov 2005-10-27 14:24:45 +00:00
parent 55ac4c3523
commit 98b45a8ff8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=151731
2 changed files with 21 additions and 17 deletions
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22
sys/conf/kern.post.mk
View File

@ -67,8 +67,11 @@ modules-all modules-depend: modules-obj
FULLKERNEL= ${KERNEL_KO}
.else
FULLKERNEL= ${KERNEL_KO}.debug
${KERNEL_KO}: ${FULLKERNEL}
${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL_KO}
${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.dbg
${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.dbg\
${FULLKERNEL} ${.TARGET}
${KERNEL_KO}.dbg: ${FULLKERNEL}
${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
install.debug reinstall.debug: gdbinit
cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
@ -109,7 +112,8 @@ ${mfile:T:S/.m$/.h/}: ${mfile}
kernel-clean:
rm -f *.o *.so *.So *.ko *.s eddep errs \
${FULLKERNEL} ${KERNEL_KO} linterrs makelinks tags vers.c \
${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.dbg \
linterrs makelinks tags vers.c \
vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
${CLEAN}
@ -186,7 +190,7 @@ kernel-install: kernel-install-check
.endif
kernel-install:
@if [ ! -f ${FULLKERNEL} ] ; then \
@if [ ! -f ${KERNEL_KO} ] ; then \
echo "You must build a kernel first." ; \
exit 1 ; \
fi
@ -205,18 +209,16 @@ kernel-install:
fi
.endif
mkdir -p ${DESTDIR}${KODIR}
.if defined(DEBUG) && !defined(INSTALL_NODEBUG)
${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}/${KERNEL_KO}
.else
${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
.if defined(DEBUG) && !defined(INSTALL_NODEBUG)
${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}.dbg ${DESTDIR}${KODIR}
.endif
kernel-reinstall:
@-chflags -R noschg ${DESTDIR}${KODIR}
.if defined(DEBUG) && !defined(INSTALL_NODEBUG)
${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}/${KERNEL_KO}
.else
${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
.if defined(DEBUG) && !defined(INSTALL_NODEBUG)
${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}.dbg ${DESTDIR}${KODIR}
.endif
config.o env.o hints.o vers.o vnode_if.o:

16
sys/conf/kmod.mk
View File

@ -143,8 +143,11 @@ PROG= ${KMOD}.ko
FULLPROG= ${PROG}
.else
FULLPROG= ${PROG}.debug
${PROG}: ${FULLPROG}
${OBJCOPY} --strip-debug ${FULLPROG} ${PROG}
${PROG}: ${FULLPROG} ${PROG}.dbg
${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.dbg\
${FULLPROG} ${.TARGET}
${PROG}.dbg: ${FULLPROG}
${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
.endif
.if ${MACHINE_ARCH} != amd64
@ -226,7 +229,7 @@ ${_ILINKS}:
CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS}
.if defined(DEBUG_FLAGS)
CLEANFILES+= ${FULLPROG}
CLEANFILES+= ${FULLPROG} ${PROG}.dbg
.endif
.if !target(install)
@ -240,12 +243,11 @@ _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
realinstall: _kmodinstall
.ORDER: beforeinstall _kmodinstall
_kmodinstall:
.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG)
${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
${_INSTALLFLAGS} ${FULLPROG} ${DESTDIR}${KMODDIR}/${PROG}
.else
${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG)
${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
${_INSTALLFLAGS} ${PROG}.dbg ${DESTDIR}${KMODDIR}
.endif
.include <bsd.links.mk>