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 2009 Sun Microsystems, Inc. All rights reserved. 23 # Use is subject to license terms. 24 # 25 26 .KEEP_STATE: 27 .SUFFIXES: 28 29 include $(SRC)/cmd/mdb/Makefile.tools 30 31 $(KMOD_SOURCES_DIFFERENT)KMODSRCS = $(MODSRCS) 32 33 MODOBJS = $(MODSRCS:%.c=dmod/%.o) 34 KMODOBJS = $(KMODSRCS:%.c=kmod/%.o) 35 36 MODNAME = $(MODULE:%.so=%) 37 KMODULE = $(MODNAME) 38 39 MODFILE = dmod/$(MODULE) 40 KMODFILE = kmod/$(KMODULE) 41 42 # 43 # The mess below is designed to pick the right set of objects to build and/or 44 # lint. We have three flavors: 45 # 46 # 1. proc and raw modules. Only $(MODOBJS) are built. 47 # 2. kvm modules for systems without kmdb. Only $(MODOBJS) are built. 48 # 3. kvm modules for systems with kmdb. $(MODOBJS) and $(KMODOBJS) are built. 49 # 50 # Complicating matters, we'd like to make the distinction between 2 and 3 before 51 # this Makefile is loaded. By default, we'll assume that all kvm modules should 52 # be built for kmdb. If, however, the user sets $(MODULE_BUILD_TYPE) to `mdb', 53 # the kmdb variant of the module won't be built. 54 # 55 56 # Which flavors are to be built? 57 TARGETS_kvm_type_ = both # Build both if $(MODULE_BUILD_TYPE) is unset 58 TARGETS_kvm_type_kmdb = both 59 TARGETS_kvm_type_mdb = mdb 60 TARGETS_kvm_type = $(TARGETS_kvm_type_$(MODULE_BUILD_TYPE)) 61 62 # What should we build? 63 TARGETS_kvm_kmdb = $(KMODFILE) 64 TARGETS_kvm_mdb = $(MODFILE) 65 TARGETS_kvm_both = $(TARGETS_kvm_mdb) $(TARGETS_kvm_kmdb) 66 TARGETS_kvm = $(TARGETS_kvm_$(TARGETS_kvm_type)) 67 TARGETS_proc = $(MODFILE) 68 TARGETS_raw = $(MODFILE) 69 TARGETS = $(TARGETS_$(MDBTGT)) 70 71 # Where should we install that which we've built? 72 ROOTTGTS_kvm_type = $(TARGETS_kvm_type) # overridden by mdb_ks 73 ROOTTGTS_kvm_kmdb = $(ROOTKMOD)/$(KMODULE) 74 ROOTTGTS_kvm_mdb = $(ROOTMOD)/$(MODULE) 75 ROOTTGTS_kvm_both = $(ROOTTGTS_kvm_mdb) $(ROOTTGTS_kvm_kmdb) 76 ROOTTGTS_kvm = $(ROOTTGTS_kvm_$(ROOTTGTS_kvm_type)) 77 ROOTTGTS_proc = $(ROOTMOD)/$(MODULE) 78 ROOTTGTS_raw = $(ROOTMOD)/$(MODULE) 79 ROOTTGTS = $(ROOTTGTS_$(MDBTGT)) 80 81 # What should we lint? 82 KLINTOBJS = $(KMODOBJS:%.o=%.ln) 83 LINTOBJS = $(MODOBJS:%.o=%.ln) 84 85 LINTFILES_kvm_type = $(TARGETS_kvm_type) 86 LINTFILES_kvm_both = $(KLINTOBJS) $(LINTOBJS) 87 LINTFILES_kvm_mdb = $(LINTOBJS) 88 LINTFILES_kvm = $(LINTFILES_kvm_$(LINTFILES_kvm_type)) 89 LINTFILES_proc = $(LINTOBJS) 90 LINTFILES_raw = $(LINTOBJS) 91 LINTFILES = $(LINTFILES_$(MDBTGT)) 92 93 kvm_TGTFLAGS = -D_KERNEL 94 proc_TGTFLAGS = -D_USER 95 96 CFLAGS += $(CCVERBOSE) 97 CFLAGS64 += $(CCVERBOSE) 98 CPPFLAGS += $($(MDBTGT)_TGTFLAGS) -I../../../common 99 LDFLAGS += $(ZTEXT) 100 LDFLAGS64 += $(ZTEXT) 101 102 # Module type-specific compiler flags 103 $(MODOBJS) := CFLAGS += $(C_BIGPICFLAGS) $(XREGSFLAG) 104 $(MODOBJS) := CFLAGS64 += $(C_BIGPICFLAGS) $(XREGSFLAG) 105 $(KMODOBJS) $(KLINTOBJS) := CPPFLAGS += -D_KMDB 106 $(KMODOBJS) := V9CODESIZE = $(CCABS32) 107 $(KMODOBJS) := DTS_ERRNO = 108 109 # Modules aren't allowed to export symbols 110 MAPFILE = $(SRC)/cmd/mdb/common/modules/conf/mapfile 111 112 # Modules typically make external references. To provide for -zdefs use 113 # and clean ldd(1) processing, explicitly define all external references. 114 MAPFILE-EXT = $(SRC)/cmd/mdb/common/modules/conf/mapfile-extern 115 116 # 117 # kmdb is a kernel module, so we'll use the kernel's build flags. 118 $(KMODOBJS) := CFLAGS += $(STAND_FLAGS_32) 119 $(KMODOBJS) := CFLAGS64 += $(STAND_FLAGS_64) 120 121 # 122 # Override this to pull source files from another directory 123 # 124 MODSRCS_DIR = ../../../common/modules/genunix 125 126 all: $$(TARGETS) 127 128 install: all $$(ROOTTGTS) 129 130 dmods: install 131 132 clean.lint: 133 $(RM) $(LINTFILES) 134 135 clean: 136 $(RM) $(MODOBJS) $(KMODOBJS) $(CLEANFILES) 137 138 clobber: clean clean.lint 139 $(RM) $(MODFILE) $(KMODFILE) $(CLOBBERFILES) 140 141 lint: $$(LINTFILES) 142 143 .NO_PARALLEL: 144 .PARALLEL: $(MODOBJS) $(KMODOBJS) mdb_tgt kmdb_tgt dmod kmod \ 145 $(TARGETS) $(LINTFILES) 146 147 $(MODFILE): dmod .WAIT $(MODOBJS) $$(MAPFILE-EXT) 148 $(LINK.c) $(ZDEFS) $(ZIGNORE) $(MAPFILE-EXT:%=-M%) $(GSHARED) \ 149 $(MODOBJS) -o $@ $(LDLIBS) -lc 150 $(CTFMERGE) -L VERSION -o $@ $(MODOBJS) 151 $(POST_PROCESS_SO) 152 153 # 154 # kmdb dmods must *not* stray from the module API. To ensure that they don't, 155 # we try to link them, at build time, against an object that exports the symbols 156 # that they can legally use. The link test object is, however, only built when 157 # kmdb itself is built. Requiring module developers to build kmdb first would 158 # be painful, so by default, module-level builds don't do the link test (the 159 # $(POUND_SIGN) assignment below takes care of that). Builds of the entire 160 # tree can, however, guarantee the construction of kmdb first, and as such can 161 # override the setting of $(KMDB_LINKTEST_ENABLE). This override causes the 162 # link test to be run. 163 # 164 # Developers wanting to force a link test for a single module can use the 165 # `linktest' target from within a module directory. 166 # 167 LINKTESTOBJ = $(KMDBDIR)/kmdb_modlinktest.o 168 169 KMDB_LINKTEST = \ 170 $(LD) $(ZDEFS) -dy -r -o $@.linktest $(KMODOBJS) \ 171 $(STANDOBJS) $(LINKTESTOBJ) && \ 172 $(RM) $@.linktest 173 174 KMDB_LINKTEST_ENABLE=$(POUND_SIGN) 175 $(KMDB_LINKTEST_ENABLE)KMDB_LINKTEST_CMD = $(KMDB_LINKTEST) 176 177 # 178 # Ensure that dmods don't use floating point 179 # 180 KMDB_FPTEST_CMD = $(KMDB_FPTEST) 181 182 $(KMODFILE): kmod .WAIT $(KMODOBJS) $(MAPFILE) 183 $(LD) -dy -r $(MAPFILE:%=-M%) -Nmisc/kmdbmod -o $@ $(KMODOBJS) \ 184 $(STANDOBJS) 185 $(KMDB_LINKTEST_CMD) 186 $(KMDB_FPTEST_CMD) 187 $(CTFMERGE) -f -L VERSION -o $@ $(KMODOBJS) 188 $(SETDYNFLAG) -f DF_1_NOKSYMS $@ 189 190 linktest: linktest_check .WAIT kmod .WAIT $(KMODOBJS) 191 $(KMDB_LINKTEST) 192 193 linktest_check: 194 @if [ "$(MDBTGT)" != "kvm" ] ; then \ 195 echo "ERROR: linktest is not supported non-kvm/disasm dmods" \ 196 >&2 ; \ 197 exit 1 ; \ 198 fi 199 200 # 201 # Dynamic rules for object construction 202 # 203 dmod/%.o kmod/%.o: %.c 204 $(COMPILE.c) -o $@ $< 205 $(CTFCONVERT_O) 206 207 dmod/%.o kmod/%.o: ../%.c 208 $(COMPILE.c) -o $@ $< 209 $(CTFCONVERT_O) 210 211 dmod/%.o kmod/%.o: ../../../common/modules/$(MODNAME)/%.c 212 $(COMPILE.c) -o $@ $< 213 $(CTFCONVERT_O) 214 215 dmod/%.o kmod/%.o: $$(MODSRCS_DIR)/%.c 216 $(COMPILE.c) -o $@ $< 217 $(CTFCONVERT_O) 218 219 # 220 # Lint 221 # 222 dmod/%.ln kmod/%.ln: %.c 223 $(LINT.c) -dirout=$(@D) -c $< 224 225 dmod/%.ln kmod/%.ln: ../%.c 226 $(LINT.c) -dirout=$(@D) -c $< 227 228 dmod/%.ln kmod/%.ln: ../../../common/modules/$(MODNAME)/%.c 229 $(LINT.c) -dirout=$(@D) -c $< 230 231 dmod/%.ln kmod/%.ln: $$(MODSRCS_DIR)/%.c 232 $(LINT.c) -dirout=$(@D) -c $< 233 234 # 235 # Installation targets 236 # 237 238 $(ROOT)/usr/lib/mdb/$(MDBTGT): $(ROOT)/usr/lib/mdb 239 $(INS.dir) 240 241 $(ROOT)/usr/lib/mdb: 242 $(INS.dir) 243 244 $(ROOT)/kernel/kmdb: 245 $(INS.dir) 246 247 $(ROOTMOD)/$(MODULE): $(ROOTMOD) 248 249 $(ROOTKMOD)/$(KMODULE): $(ROOTKMOD) 250 251 kmod dmod: 252 -@mkdir -p $@