1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21# 22# Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23# Use is subject to license terms. 24# 25# ident "%Z%%M% %I% %E% SMI" 26 27.KEEP_STATE: 28.SUFFIXES: 29 30include $(SRC)/cmd/mdb/Makefile.tools 31 32$(KMOD_SOURCES_DIFFERENT)KMODSRCS = $(MODSRCS) 33 34MODOBJS = $(MODSRCS:%.c=dmod/%.o) 35KMODOBJS = $(KMODSRCS:%.c=kmod/%.o) 36 37MODNAME = $(MODULE:%.so=%) 38KMODULE = $(MODNAME) 39 40MODFILE = dmod/$(MODULE) 41KMODFILE = kmod/$(KMODULE) 42 43# 44# The mess below is designed to pick the right set of objects to build and/or 45# lint. We have three flavors: 46# 47# 1. proc and raw modules. Only $(MODOBJS) are built. 48# 2. kvm modules for systems without kmdb. Only $(MODOBJS) are built. 49# 3. kvm modules for systems with kmdb. $(MODOBJS) and $(KMODOBJS) are built. 50# 51# Complicating matters, we'd like to make the distinction between 2 and 3 before 52# this Makefile is loaded. By default, we'll assume that all kvm modules should 53# be built for kmdb. If, however, the user sets $(MODULE_BUILD_TYPE) to `mdb', 54# the kmdb variant of the module won't be built. 55# 56 57# Which flavors are to be built? 58TARGETS_kvm_type_ = both # Build both if $(MODULE_BUILD_TYPE) is unset 59TARGETS_kvm_type_kmdb = both 60TARGETS_kvm_type_mdb = mdb 61TARGETS_kvm_type = $(TARGETS_kvm_type_$(MODULE_BUILD_TYPE)) 62 63# What should we build? 64TARGETS_kvm_kmdb = $(KMODFILE) 65TARGETS_kvm_mdb = $(MODFILE) 66TARGETS_kvm_both = $(TARGETS_kvm_mdb) $(TARGETS_kvm_kmdb) 67TARGETS_kvm = $(TARGETS_kvm_$(TARGETS_kvm_type)) 68TARGETS_proc = $(MODFILE) 69TARGETS_raw = $(MODFILE) 70TARGETS = $(TARGETS_$(MDBTGT)) 71 72# Where should we install that which we've built? 73ROOTTGTS_kvm_type = $(TARGETS_kvm_type) # overridden by mdb_ks 74ROOTTGTS_kvm_kmdb = $(ROOTKMOD)/$(KMODULE) 75ROOTTGTS_kvm_mdb = $(ROOTMOD)/$(MODULE) 76ROOTTGTS_kvm_both = $(ROOTTGTS_kvm_mdb) $(ROOTTGTS_kvm_kmdb) 77ROOTTGTS_kvm = $(ROOTTGTS_kvm_$(ROOTTGTS_kvm_type)) 78ROOTTGTS_proc = $(ROOTMOD)/$(MODULE) 79ROOTTGTS_raw = $(ROOTMOD)/$(MODULE) 80ROOTTGTS = $(ROOTTGTS_$(MDBTGT)) 81 82# What should we lint? 83KLINTOBJS = $(KMODOBJS:%.o=%.ln) 84LINTOBJS = $(MODOBJS:%.o=%.ln) 85 86LINTFILES_kvm_type = $(TARGETS_kvm_type) 87LINTFILES_kvm_both = $(KLINTOBJS) $(LINTOBJS) 88LINTFILES_kvm_mdb = $(LINTOBJS) 89LINTFILES_kvm = $(LINTFILES_kvm_$(LINTFILES_kvm_type)) 90LINTFILES_proc = $(LINTOBJS) 91LINTFILES_raw = $(LINTOBJS) 92LINTFILES = $(LINTFILES_$(MDBTGT)) 93 94kvm_TGTFLAGS = -D_KERNEL 95proc_TGTFLAGS = -D_USER 96 97CFLAGS += $(CCVERBOSE) 98CFLAGS64 += $(CCVERBOSE) 99CPPFLAGS += $($(MDBTGT)_TGTFLAGS) -I../../../common 100LDFLAGS += $(ZTEXT) 101LDFLAGS64 += $(ZTEXT) 102 103# Module type-specific compiler flags 104$(MODOBJS) := CFLAGS += $(C_BIGPICFLAGS) $(XREGSFLAG) 105$(MODOBJS) := CFLAGS64 += $(C_BIGPICFLAGS) $(XREGSFLAG) 106$(KMODOBJS) $(KLINTOBJS) := CPPFLAGS += -D_KMDB 107$(KMODOBJS) := V9CODESIZE = $(CCABS32) 108$(KMODOBJS) := DTS_ERRNO = 109 110# Modules aren't allowed to export symbols 111MAPFILE = $(SRC)/cmd/mdb/common/modules/conf/mapfile 112 113# Modules typically make external references. To provide for -zdefs use 114# and clean ldd(1) processing, explicitly define all external references. 115MAPFILE-EXT = $(SRC)/cmd/mdb/common/modules/conf/mapfile-extern 116 117# 118# kmdb is a kernel module, so we'll use the kernel's build flags. 119$(KMODOBJS) := CFLAGS += $(STAND_FLAGS_32) 120$(KMODOBJS) := CFLAGS64 += $(STAND_FLAGS_64) 121 122# 123# Override this to pull source files from another directory 124# 125MODSRCS_DIR = ../../../common/modules/genunix 126 127GROUP = sys 128 129all: $$(TARGETS) 130 131install: all $$(ROOTTGTS) 132 133dmods: install 134 135clean.lint: 136 $(RM) $(LINTFILES) 137 138clean: 139 $(RM) $(MODOBJS) $(KMODOBJS) $(CLEANFILES) 140 141clobber: clean clean.lint 142 $(RM) $(MODFILE) $(KMODFILE) $(CLOBBERFILES) 143 144lint: $$(LINTFILES) 145 146.NO_PARALLEL: 147.PARALLEL: $(MODOBJS) $(KMODOBJS) mdb_tgt kmdb_tgt dmod kmod \ 148 $(TARGETS) $(LINTFILES) 149 150$(MODFILE): dmod .WAIT $(MODOBJS) $$(MAPFILE-EXT) 151 $(LINK.c) $(ZDEFS) $(ZIGNORE) $(MAPFILE-EXT:%=-M%) $(GSHARED) \ 152 $(MODOBJS) -o $@ $(LDLIBS) -lc 153 $(CTFMERGE) -L VERSION -o $@ $(MODOBJS) 154 $(POST_PROCESS_SO) 155 156# 157# kmdb dmods must *not* stray from the module API. To ensure that they don't, 158# we try to link them, at build time, against an object that exports the symbols 159# that they can legally use. The link test object is, however, only built when 160# kmdb itself is built. Requiring module developers to build kmdb first would 161# be painful, so by default, module-level builds don't do the link test (the 162# $(POUND_SIGN) assignment below takes care of that). Builds of the entire 163# tree can, however, guarantee the construction of kmdb first, and as such can 164# override the setting of $(KMDB_LINKTEST_ENABLE). This override causes the 165# link test to be run. 166# 167# Developers wanting to force a link test for a single module can use the 168# `linktest' target from within a module directory. 169# 170LINKTESTOBJ = $(KMDBDIR)/kmdb_modlinktest.o 171 172KMDB_LINKTEST = \ 173 $(LD) $(ZDEFS) -dy -r -o $@.linktest $(KMODOBJS) \ 174 $(STANDOBJS) $(LINKTESTOBJ) && \ 175 $(RM) $@.linktest 176 177KMDB_LINKTEST_ENABLE=$(POUND_SIGN) 178$(KMDB_LINKTEST_ENABLE)KMDB_LINKTEST_CMD = $(KMDB_LINKTEST) 179 180# 181# Ensure that dmods don't use floating point 182# 183KMDB_FPTEST_CMD = $(KMDB_FPTEST) 184 185$(KMODFILE): kmod .WAIT $(KMODOBJS) $(MAPFILE) 186 $(LD) -dy -r $(MAPFILE:%=-M%) -Nmisc/kmdbmod -o $@ $(KMODOBJS) \ 187 $(STANDOBJS) 188 $(KMDB_LINKTEST_CMD) 189 $(KMDB_FPTEST_CMD) 190 $(CTFMERGE) -f -L VERSION -o $@ $(KMODOBJS) 191 $(SETDYNFLAG) -f DF_1_NOKSYMS $@ 192 193linktest: linktest_check .WAIT kmod .WAIT $(KMODOBJS) 194 $(KMDB_LINKTEST) 195 196linktest_check: 197 @if [ "$(MDBTGT)" != "kvm" ] ; then \ 198 echo "ERROR: linktest is not supported non-kvm/disasm dmods" \ 199 >&2 ; \ 200 exit 1 ; \ 201 fi 202 203# 204# Dynamic rules for object construction 205# 206dmod/%.o kmod/%.o: %.c 207 $(COMPILE.c) -o $@ $< 208 $(CTFCONVERT_O) 209 210dmod/%.o kmod/%.o: ../%.c 211 $(COMPILE.c) -o $@ $< 212 $(CTFCONVERT_O) 213 214dmod/%.o kmod/%.o: ../../../common/modules/$(MODNAME)/%.c 215 $(COMPILE.c) -o $@ $< 216 $(CTFCONVERT_O) 217 218dmod/%.o kmod/%.o: $$(MODSRCS_DIR)/%.c 219 $(COMPILE.c) -o $@ $< 220 $(CTFCONVERT_O) 221 222# 223# Lint 224# 225dmod/%.ln kmod/%.ln: %.c 226 $(LINT.c) -dirout=$(@D) -c $< 227 228dmod/%.ln kmod/%.ln: ../%.c 229 $(LINT.c) -dirout=$(@D) -c $< 230 231dmod/%.ln kmod/%.ln: ../../../common/modules/$(MODNAME)/%.c 232 $(LINT.c) -dirout=$(@D) -c $< 233 234dmod/%.ln kmod/%.ln: $$(MODSRCS_DIR)/%.c 235 $(LINT.c) -dirout=$(@D) -c $< 236 237# 238# Installation targets 239# 240 241$(ROOT)/usr/lib/mdb/$(MDBTGT): $(ROOT)/usr/lib/mdb 242 $(INS.dir) 243 244$(ROOT)/usr/lib/mdb: 245 $(INS.dir) 246 247$(ROOT)/kernel/kmdb: 248 $(INS.dir) 249 250$(ROOTMOD)/$(MODULE): $(ROOTMOD) 251 252$(ROOTKMOD)/$(KMODULE): $(ROOTKMOD) 253 254kmod dmod: 255 -@mkdir -p $@ 256