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# Makefile for libmagicrt
#
# The magic runtime library is the runtime state transfer component for live
# update. It is not a regular library. First of all, it is only built when
# MKMAGIC is enabled, which also implies that we are building bitcode.
# Second, the produced file is a single bitcode object containing basically the
# concatenation of the individual bitcode objects produced from the source
# files. The final bitcode object is used to link against system services
# during the rest of the compilation process. It is installed only because
# this makes it easier to refer to it during the rest of the compilation
# process. However, both the library's generation and its installation cannot
# be done with regular bsd.lib.mk rules, which is why this Makefile is rather
# nonstandard.
.include <bsd.own.mk>
LIBNAME= libmagicrt.bcc
SRCS= magic.c magic_analysis.c magic_asr.c magic_ds.c
SRCS+= magic_eval.c magic_eval_lib.c magic_mem.c magic_range.c
SRCS+= magic_selement.c magic_sentry.c magic_splay_tree.c
SRCS+= magic_st.c magic_util.c
OBJS= ${SRCS:.c=.bc}
CPPFLAGS+= -D__MINIX -D_MINIX_SYSTEM -D_SYSTEM
CPPFLAGS+= -I${.CURDIR}/include
CPPFLAGS+= -I${NETBSDSRCDIR}/minix/llvm/include # for magic_common.h
CPPFLAGS.magic_ds.c+= -I${NETBSDSRCDIR}/minix/servers # for ds/store.h
# XXX: there is essential code in assert() statements, so force asserts on..
CPPFLAGS+= -UNDEBUG
# All functions and data must be assigned to nonstandard sections. However,
# the magic_st module has different rules from the rest.
SECTIONIFY= -sectionify-no-override \
-sectionify-data-section-map=^_____magic_instr_.*/magic_instr_data,.*/magic_data \
-sectionify-function-section-map=.*/magic_functions
SECTIONIFY.magic_st.c= \
-sectionify-data-section-map=.*/magic_data_st \
-sectionify-function-section-map=.*/magic_functions_st
# HACK: keep the "temporary" .bc.o files generated as part of running the
# sectionify pass, so that we can trick clang into taking bitcode objects
# during the linking phase, because its driver refuses to take objects with
# the .bc suffix even when using the gold plugin. This works only because
# we are using sectionify on all objects here, and because bsd.lib.mk uses
# temporary names convenient for us. See also the comment in bsd.lib.mk.
SECTIONIFYMV=cp
LDFLAGS+=-nostdlib -rdynamic -shared -Wl,--plugin \
-Wl,${NETBSDSRCDIR}/minix/llvm/bin/LLVMgold.so \
-Wl,-plugin-opt=-disable-fp-elim -Wl,-plugin-opt=emit-llvm
realall: ${LIBNAME}
${LIBNAME}: ${OBJS}
${_MKTARGET_LINK}
${LINK.c} -o ${.TARGET} ${OBJS:.bc=.bc.o}
# The following block is a modified copy of similar blocks in bsd.lib.mk.
_LIB=${DESTDIR}/${LIBDIR}/${LIBNAME}
libinstall:: ${_LIB}
.PRECIOUS: ${_LIB}
.if ${MKUPDATE} == "no"
.if !defined(BUILD) && !make(all) && !make(${LIBNAME})
${_LIB}! .MADE
.endif
${_LIB}! ${LIBNAME} __archiveinstall
.else
.if !defined(BUILD) && !make(all) && !make(${LIBNAME})
${_LIB}: .MADE
.endif
${_LIB}: ${LIBNAME} __archiveinstall
.endif
CLEANFILES+= ${LIBNAME} ${OBJS:.bc=.bc.o}
.include <bsd.lib.mk>
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