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 $@