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 # Copyright (c) 2013 by Delphix. All rights reserved.
  26 #
  27 
  28 .KEEP_STATE:
  29 .SUFFIXES:
  30 
  31 include $(SRC)/cmd/mdb/Makefile.tools
  32 
  33 $(KMOD_SOURCES_DIFFERENT)KMODSRCS = $(MODSRCS)
  34 
  35 MODOBJS = $(MODSRCS:%.c=dmod/%.o)
  36 KMODOBJS = $(KMODSRCS:%.c=kmod/%.o)
  37 
  38 MODNAME = $(MODULE:%.so=%)
  39 KMODULE = $(MODNAME)
  40 
  41 MODFILE = dmod/$(MODULE)
  42 KMODFILE = kmod/$(KMODULE)
  43 
  44 #
  45 # The mess below is designed to pick the right set of objects to build and/or
  46 # lint.  We have three flavors:
  47 #
  48 #  1. proc and raw modules.  Only $(MODOBJS) are built.
  49 #  2. kvm modules for systems without kmdb.  Only $(MODOBJS) are built.
  50 #  3. kvm modules for systems with kmdb.  $(MODOBJS) and $(KMODOBJS) are built.
  51 #
  52 # Complicating matters, we'd like to make the distinction between 2 and 3 before
  53 # this Makefile is loaded.  By default, we'll assume that all kvm modules should
  54 # be built for kmdb.  If, however, the user sets $(MODULE_BUILD_TYPE) to `mdb',
  55 # the kmdb variant of the module won't be built.
  56 #
  57 
  58 # Which flavors are to be built?
  59 TARGETS_kvm_type_       = both  # Build both if $(MODULE_BUILD_TYPE) is unset
  60 TARGETS_kvm_type_kmdb   = both
  61 TARGETS_kvm_type_mdb    = mdb
  62 TARGETS_kvm_type        = $(TARGETS_kvm_type_$(MODULE_BUILD_TYPE))
  63 
  64 # What should we build?
  65 TARGETS_kvm_kmdb        = $(KMODFILE)
  66 TARGETS_kvm_mdb         = $(MODFILE)
  67 TARGETS_kvm_both        = $(TARGETS_kvm_mdb) $(TARGETS_kvm_kmdb)
  68 TARGETS_kvm             = $(TARGETS_kvm_$(TARGETS_kvm_type))
  69 TARGETS_proc            = $(MODFILE)
  70 TARGETS_raw             = $(MODFILE)
  71 TARGETS                 = $(TARGETS_$(MDBTGT))
  72 
  73 # Where should we install that which we've built?
  74 ROOTTGTS_kvm_type       = $(TARGETS_kvm_type)   # overridden by mdb_ks
  75 ROOTTGTS_kvm_kmdb       = $(ROOTKMOD)/$(KMODULE)
  76 ROOTTGTS_kvm_mdb        = $(ROOTMOD)/$(MODULE)
  77 ROOTTGTS_kvm_both       = $(ROOTTGTS_kvm_mdb) $(ROOTTGTS_kvm_kmdb)
  78 ROOTTGTS_kvm            = $(ROOTTGTS_kvm_$(ROOTTGTS_kvm_type))
  79 ROOTTGTS_proc           = $(ROOTMOD)/$(MODULE)
  80 ROOTTGTS_raw            = $(ROOTMOD)/$(MODULE)
  81 ROOTTGTS                = $(ROOTTGTS_$(MDBTGT))
  82 
  83 # What should we lint?
  84 KLINTOBJS               = $(KMODOBJS:%.o=%.ln)
  85 LINTOBJS                = $(MODOBJS:%.o=%.ln)
  86 
  87 LINTFILES_kvm_type      = $(TARGETS_kvm_type)
  88 LINTFILES_kvm_both      = $(KLINTOBJS) $(LINTOBJS)
  89 LINTFILES_kvm_mdb       = $(LINTOBJS)
  90 LINTFILES_kvm           = $(LINTFILES_kvm_$(LINTFILES_kvm_type))
  91 LINTFILES_proc          = $(LINTOBJS)
  92 LINTFILES_raw           = $(LINTOBJS)
  93 LINTFILES               = $(LINTFILES_$(MDBTGT))
  94 
  95 kvm_TGTFLAGS            = -D_KERNEL
  96 proc_TGTFLAGS           = -D_USER
  97 
  98 C99MODE                 = $(C99_ENABLE)
  99 
 100 CFLAGS                  += $(CCVERBOSE)
 101 CFLAGS64                += $(CCVERBOSE)
 102 CPPFLAGS                += $($(MDBTGT)_TGTFLAGS) -I../../../common
 103 LDFLAGS                 += $(ZTEXT)
 104 LDFLAGS64               += $(ZTEXT)
 105 
 106 # Module type-specific compiler flags
 107 $(MODOBJS) :=                   CFLAGS += $(C_BIGPICFLAGS) $(XREGSFLAG)
 108 $(MODOBJS) :=                   CFLAGS64 += $(C_BIGPICFLAGS) $(XREGSFLAG)
 109 $(KMODOBJS) $(KLINTOBJS) :=     CPPFLAGS += -D_KMDB
 110 $(KMODOBJS) :=                  V9CODESIZE = $(CCABS32)
 111 $(KMODOBJS) :=                  DTS_ERRNO =
 112 
 113 # Modules aren't allowed to export symbols
 114 MAPFILE         = $(SRC)/cmd/mdb/common/modules/conf/mapfile
 115 
 116 # Modules typically make external references.  To provide for -zdefs use
 117 # and clean ldd(1) processing, explicitly define all external references.
 118 MAPFILE-EXT     = $(SRC)/cmd/mdb/common/modules/conf/mapfile-extern
 119 
 120 #
 121 # kmdb is a kernel module, so we'll use the kernel's build flags.
 122 $(KMODOBJS) := CFLAGS += $(STAND_FLAGS_32)
 123 $(KMODOBJS) := CFLAGS64 += $(STAND_FLAGS_64)
 124 
 125 #
 126 # Override this to pull source files from another directory
 127 #
 128 MODSRCS_DIR = ../../../common/modules/genunix
 129 
 130 all: $$(TARGETS)
 131 
 132 install: all $$(ROOTTGTS)
 133 
 134 dmods: install
 135 
 136 clean.lint:
 137         $(RM) $(LINTFILES)
 138 
 139 clean:
 140         $(RM) $(MODOBJS) $(KMODOBJS) $(CLEANFILES)
 141 
 142 clobber: clean clean.lint
 143         $(RM) $(MODFILE) $(KMODFILE) $(CLOBBERFILES)
 144 
 145 lint: $$(LINTFILES)
 146 
 147 .NO_PARALLEL:
 148 .PARALLEL: $(MODOBJS) $(KMODOBJS) mdb_tgt kmdb_tgt dmod kmod \
 149         $(TARGETS) $(LINTFILES)
 150 
 151 $(MODFILE): dmod .WAIT $(MODOBJS) $$(MAPFILE-EXT)
 152         $(LINK.c) $(ZDEFS) $(ZIGNORE) $(MAPFILE-EXT:%=-M%) $(GSHARED) \
 153             $(MODOBJS) -o $@ $(LDLIBS) -lc
 154         $(CTFMERGE) -L VERSION -o $@ $(MODOBJS)
 155         $(POST_PROCESS_SO)
 156 
 157 #
 158 # kmdb dmods must *not* stray from the module API.  To ensure that they don't,
 159 # we try to link them, at build time, against an object that exports the symbols
 160 # that they can legally use.  The link test object is, however, only built when
 161 # kmdb itself is built.  Requiring module developers to build kmdb first would
 162 # be painful, so by default, module-level builds don't do the link test (the
 163 # $(POUND_SIGN) assignment below takes care of that).  Builds of the entire
 164 # tree can, however, guarantee the construction of kmdb first, and as such can
 165 # override the setting of $(KMDB_LINKTEST_ENABLE).  This override causes the
 166 # link test to be run.
 167 #
 168 # Developers wanting to force a link test for a single module can use the
 169 # `linktest' target from within a module directory.
 170 #
 171 LINKTESTOBJ = $(KMDBDIR)/kmdb_modlinktest.o
 172 
 173 KMDB_LINKTEST = \
 174         $(LD) $(ZDEFS) -dy -r -o $@.linktest $(KMODOBJS) \
 175         $(STANDOBJS) $(LINKTESTOBJ) && \
 176         $(RM) $@.linktest
 177 
 178 KMDB_LINKTEST_ENABLE=$(POUND_SIGN)
 179 $(KMDB_LINKTEST_ENABLE)KMDB_LINKTEST_CMD = $(KMDB_LINKTEST)
 180 
 181 #
 182 # Ensure that dmods don't use floating point
 183 #
 184 KMDB_FPTEST_CMD = $(KMDB_FPTEST)
 185 
 186 $(KMODFILE): kmod .WAIT $(KMODOBJS) $(MAPFILE)
 187         $(LD) -dy -r $(MAPFILE:%=-M%) -Nmisc/kmdbmod -o $@ $(KMODOBJS) \
 188         $(STANDOBJS)
 189         $(KMDB_LINKTEST_CMD)
 190         $(KMDB_FPTEST_CMD)
 191         $(CTFMERGE) -f -L VERSION -o $@ $(KMODOBJS)
 192         $(SETDYNFLAG) -f DF_1_NOKSYMS $@
 193 
 194 linktest: linktest_check .WAIT kmod .WAIT $(KMODOBJS)
 195         $(KMDB_LINKTEST)
 196 
 197 linktest_check:
 198         @if [ "$(MDBTGT)" != "kvm" ] ; then \
 199                 echo "ERROR: linktest is not supported non-kvm/disasm dmods" \
 200                     >&2 ; \
 201                 exit 1 ; \
 202         fi
 203 
 204 #
 205 # Dynamic rules for object construction
 206 #
 207 dmod/%.o kmod/%.o: %.c
 208         $(COMPILE.c) -o $@ $<
 209         $(CTFCONVERT_O)
 210 
 211 dmod/%.o kmod/%.o: ../%.c
 212         $(COMPILE.c) -o $@ $<
 213         $(CTFCONVERT_O)
 214 
 215 dmod/%.o kmod/%.o: ../../../common/modules/$(MODNAME)/%.c
 216         $(COMPILE.c) -o $@ $<
 217         $(CTFCONVERT_O)
 218 
 219 dmod/%.o kmod/%.o: $$(MODSRCS_DIR)/%.c
 220         $(COMPILE.c) -o $@ $<
 221         $(CTFCONVERT_O)
 222 
 223 #
 224 # Lint
 225 #
 226 dmod/%.ln kmod/%.ln: %.c
 227         $(LINT.c) -dirout=$(@D) -c $<
 228 
 229 dmod/%.ln kmod/%.ln: ../%.c
 230         $(LINT.c) -dirout=$(@D) -c $<
 231 
 232 dmod/%.ln kmod/%.ln: ../../../common/modules/$(MODNAME)/%.c
 233         $(LINT.c) -dirout=$(@D) -c $<
 234 
 235 dmod/%.ln kmod/%.ln: $$(MODSRCS_DIR)/%.c
 236         $(LINT.c) -dirout=$(@D) -c $<
 237 
 238 #
 239 # Installation targets
 240 #
 241 
 242 $(ROOT)/usr/lib/mdb/$(MDBTGT): $(ROOT)/usr/lib/mdb
 243         $(INS.dir)
 244 
 245 $(ROOT)/usr/lib/mdb:
 246         $(INS.dir)
 247 
 248 $(ROOT)/kernel/kmdb:
 249         $(INS.dir)
 250 
 251 $(ROOTMOD)/$(MODULE): $(ROOTMOD)
 252 
 253 $(ROOTKMOD)/$(KMODULE): $(ROOTKMOD)
 254 
 255 kmod dmod:
 256         -@mkdir -p $@