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 # Copyright (c) 2019 Carlos Neira <cneirabustos@gmail.com>
  27 # Copyright 2019 OmniOS Community Edition (OmniOSce) Association.
  28 # Copyright (c) 2019, Joyent, Inc.
  29 #
  30 
  31 .KEEP_STATE:
  32 .SUFFIXES:
  33 
  34 include $(SRC)/cmd/mdb/Makefile.tools
  35 
  36 #
  37 # Make sure we're getting a consistent execution environment for the
  38 # embedded scripts.
  39 #
  40 SHELL= /usr/bin/ksh93
  41 
  42 $(KMOD_SOURCES_DIFFERENT)KMODSRCS = $(MODSRCS)
  43 $(KMOD_SOURCES_DIFFERENT)KMODASMSRCS = $(MODASMSRCS)
  44 
  45 MODOBJS = $(MODSRCS:%.c=dmod/%.o) $(MODASMSRCS:%.s=dmod/%.o)
  46 KMODOBJS = $(KMODSRCS:%.c=kmod/%.o) $(KMODASMSRCS:%.s=kmod/%.o)
  47 
  48 MODNAME_cmd = if [ -n "$(MODULE_NAME)" ]; then print $(MODULE_NAME); else print $(MODULE)| sed -e 's:\.so$$::'; fi
  49 MODNAME = $(MODNAME_cmd:sh)
  50 KMODULE = $(MODNAME)
  51 
  52 MODFILE = dmod/$(MODULE)
  53 KMODFILE = kmod/$(KMODULE)
  54 
  55 #
  56 # The mess below is designed to pick the right set of objects to build and/or
  57 # lint.  We have three flavors:
  58 #
  59 #  1. proc and raw modules.  Only $(MODOBJS) are built.
  60 #  2. kvm modules for systems without kmdb.  Only $(MODOBJS) are built.
  61 #  3. kvm modules for systems with kmdb.  $(MODOBJS) and $(KMODOBJS) are built.
  62 #
  63 # Complicating matters, we'd like to make the distinction between 2 and 3 before
  64 # this Makefile is loaded.  By default, we'll assume that all kvm modules should
  65 # be built for kmdb.  If, however, the user sets $(MODULE_BUILD_TYPE) to `mdb',
  66 # the kmdb variant of the module won't be built.
  67 #
  68 
  69 # Which flavors are to be built?
  70 TARGETS_kvm_type_       = both  # Build both if $(MODULE_BUILD_TYPE) is unset
  71 TARGETS_kvm_type_kmdb   = both
  72 TARGETS_kvm_type_mdb    = mdb
  73 TARGETS_kvm_type        = $(TARGETS_kvm_type_$(MODULE_BUILD_TYPE))
  74 
  75 # What should we build?
  76 TARGETS_kvm_kmdb        = $(KMODFILE)
  77 TARGETS_kvm_mdb         = $(MODFILE)
  78 TARGETS_kvm_both        = $(TARGETS_kvm_mdb) $(TARGETS_kvm_kmdb)
  79 TARGETS_kvm             = $(TARGETS_kvm_$(TARGETS_kvm_type))
  80 TARGETS_proc            = $(MODFILE)
  81 TARGETS_raw             = $(MODFILE)
  82 TARGETS                 = $(TARGETS_$(MDBTGT))
  83 
  84 # Where should we install that which we've built?
  85 ROOTTGTS_kvm_type       = $(TARGETS_kvm_type)   # overridden by mdb_ks
  86 ROOTTGTS_kvm_kmdb       = $(ROOTKMOD)/$(KMODULE)
  87 ROOTTGTS_kvm_mdb        = $(ROOTMOD)/$(MODULE)
  88 ROOTTGTS_kvm_both       = $(ROOTTGTS_kvm_mdb) $(ROOTTGTS_kvm_kmdb)
  89 ROOTTGTS_kvm            = $(ROOTTGTS_kvm_$(ROOTTGTS_kvm_type))
  90 ROOTTGTS_proc           = $(ROOTMOD)/$(MODULE)
  91 ROOTTGTS_raw            = $(ROOTMOD)/$(MODULE)
  92 ROOTTGTS                = $(ROOTTGTS_$(MDBTGT))
  93 
  94 # What should we lint?
  95 KLINTOBJS               = $(KMODOBJS:%.o=%.ln)
  96 LINTOBJS                = $(MODOBJS:%.o=%.ln)
  97 
  98 LINTFILES_kvm_type      = $(TARGETS_kvm_type)
  99 LINTFILES_kvm_both      = $(KLINTOBJS) $(LINTOBJS)
 100 LINTFILES_kvm_mdb       = $(LINTOBJS)
 101 LINTFILES_kvm           = $(LINTFILES_kvm_$(LINTFILES_kvm_type))
 102 LINTFILES_proc          = $(LINTOBJS)
 103 LINTFILES_raw           = $(LINTOBJS)
 104 LINTFILES               = $(LINTFILES_$(MDBTGT))
 105 
 106 #
 107 # Python specific flags. To try and make life easier for folks how are
 108 # building with an LFS python, we attempt to use -isystem when it's
 109 # available.
 110 #
 111 PYCPPFLAGS              = -_gcc=-isystem -_gcc=$(ADJUNCT_PROTO)/usr/include/python$(PYTHON_VERSION)
 112 PYCPPFLAGS              += -_cc=-I$(ADJUNCT_PROTO)/usr/include/python$(PYTHON_VERSION)
 113 PYLNFLAGS               = -I$(ADJUNCT_PROTO)/usr/include/python$(PYTHON_VERSION)
 114 
 115 kvm_TGTFLAGS            = -D_KERNEL
 116 proc_TGTFLAGS           = -D_USER
 117 
 118 CSTD                    = $(CSTD_GNU99)
 119 
 120 CFLAGS                  += $(CCVERBOSE)
 121 CFLAGS64                += $(CCVERBOSE)
 122 CPPFLAGS                += $($(MDBTGT)_TGTFLAGS) -I../../../common
 123 LDFLAGS                 += $(ZTEXT)
 124 LDFLAGS64               += $(ZTEXT)
 125 ASFLAGS                 += -P
 126 AS_CPPFLAGS             += -D_ASM
 127 
 128 SMOFF += all_func_returns,index_overflow
 129 
 130 # Module type-specific compiler flags
 131 $(MODOBJS) :=                   CFLAGS += $(C_BIGPICFLAGS) $(XREGSFLAG)
 132 $(MODOBJS) :=                   CFLAGS64 += $(C_BIGPICFLAGS) $(XREGSFLAG)
 133 $(KMODOBJS) $(KLINTOBJS) :=     CPPFLAGS += -D_KMDB
 134 $(KMODOBJS) :=                  V9CODESIZE = $(CCABS32)
 135 $(KMODOBJS) :=                  DTS_ERRNO =
 136 
 137 # Modules aren't allowed to export symbols
 138 MAPFILE         = $(SRC)/cmd/mdb/common/modules/conf/mapfile
 139 
 140 # Modules typically make external references.  To provide for -zdefs use
 141 # and clean ldd(1) processing, explicitly define all external references.
 142 MAPFILE-EXT     = $(SRC)/cmd/mdb/common/modules/conf/mapfile-extern
 143 
 144 #
 145 # kmdb is a kernel module, so we'll use the kernel's build flags.
 146 $(KMODOBJS) := CFLAGS64 += $(STAND_FLAGS_64)
 147 
 148 #
 149 # Override this to pull source files from another directory
 150 #
 151 MODSRCS_DIR = ../../../common/modules/genunix
 152 
 153 all: $$(TARGETS)
 154 
 155 install: all $$(ROOTTGTS)
 156 
 157 dmods: install
 158 
 159 clean.lint:
 160         $(RM) $(LINTFILES) $(MODSRCS:.c=.ln)
 161 
 162 clean:
 163         $(RM) $(MODOBJS) $(KMODOBJS) $(CLEANFILES)
 164 
 165 clobber: clean clean.lint
 166         $(RM) $(MODFILE) $(KMODFILE) $(CLOBBERFILES)
 167 
 168 lint: $$(LINTFILES)
 169 
 170 .NO_PARALLEL:
 171 .PARALLEL: $(MODOBJS) $(KMODOBJS) mdb_tgt kmdb_tgt dmod kmod \
 172         $(TARGETS) $(LINTFILES)
 173 
 174 $(MODFILE): dmod .WAIT $(MODOBJS) $$(MAPFILE-EXT)
 175         $(LINK.c) $(ZDEFS) $(ZIGNORE) $(MAPFILE-EXT:%=-M%) $(GSHARED) \
 176             $(MODOBJS) -o $@ $(LDLIBS) -lc -lproc
 177         $(CTFMERGE) -L VERSION -o $@ $(MODOBJS)
 178         $(POST_PROCESS_SO)
 179 
 180 #
 181 # kmdb dmods must *not* stray from the module API.  To ensure that they don't,
 182 # we try to link them, at build time, against an object that exports the symbols
 183 # that they can legally use.  The link test object is, however, only built when
 184 # kmdb itself is built.  Requiring module developers to build kmdb first would
 185 # be painful, so by default, module-level builds don't do the link test (the
 186 # $(POUND_SIGN) assignment below takes care of that).  Builds of the entire
 187 # tree can, however, guarantee the construction of kmdb first, and as such can
 188 # override the setting of $(KMDB_LINKTEST_ENABLE).  This override causes the
 189 # link test to be run.
 190 #
 191 # Developers wanting to force a link test for a single module can use the
 192 # `linktest' target from within a module directory.
 193 #
 194 LINKTESTOBJ = $(KMDBDIR)/kmdb_modlinktest.o
 195 
 196 KMDB_LINKTEST = \
 197         $(LD) $(ZDEFS) -dy -r -o $@.linktest $(KMODOBJS) \
 198         $(STANDOBJS) $(LINKTESTOBJ) && \
 199         $(RM) $@.linktest
 200 
 201 KMDB_LINKTEST_ENABLE=$(POUND_SIGN)
 202 $(KMDB_LINKTEST_ENABLE)KMDB_LINKTEST_CMD = $(KMDB_LINKTEST)
 203 
 204 #
 205 # Ensure that dmods don't use floating point
 206 #
 207 KMDB_FPTEST_CMD = $(KMDB_FPTEST)
 208 
 209 $(KMODFILE): kmod .WAIT $(KMODOBJS) $(MAPFILE)
 210         $(LD) -dy -r $(MAPFILE:%=-M%) -Nmisc/kmdbmod -o $@ $(KMODOBJS) \
 211         $(STANDOBJS)
 212         $(KMDB_LINKTEST_CMD)
 213         $(KMDB_FPTEST_CMD)
 214         $(CTFMERGE) -f -L VERSION -o $@ $(KMODOBJS)
 215         $(POST_PROCESS)
 216         $(SETDYNFLAG) -f DF_1_NOKSYMS $@
 217 
 218 linktest: linktest_check .WAIT kmod .WAIT $(KMODOBJS)
 219         $(KMDB_LINKTEST)
 220 
 221 linktest_check:
 222         @if [ "$(MDBTGT)" != "kvm" ] ; then \
 223                 echo "ERROR: linktest is not supported non-kvm/disasm dmods" \
 224                     >&2 ; \
 225                 exit 1 ; \
 226         fi
 227 
 228 #
 229 # Dynamic rules for object construction
 230 #
 231 dmod/%.o kmod/%.o: %.c
 232         $(COMPILE.c) -o $@ $<
 233         $(CTFCONVERT_O)
 234 
 235 dmod/%.o kmod%.o: %.s
 236         $(COMPILE.s) -o $@ $<
 237 
 238 dmod/%.o kmod/%.o: ../%.c
 239         $(COMPILE.c) -o $@ $<
 240         $(CTFCONVERT_O)
 241 
 242 dmod/%.o kmod%.o: ../%.s
 243         $(COMPILE.s) -o $@ $<
 244 
 245 dmod/%.o kmod/%.o: ../../../common/modules/$(MODNAME)/%.c
 246         $(COMPILE.c) -o $@ $<
 247         $(CTFCONVERT_O)
 248 
 249 dmod/%.o kmod%.o: ../../../common/modules/$(MODNAME)/%.s
 250         $(COMPILE.s) -o $@ $<
 251 
 252 dmod/%.o kmod/%.o: $$(MODSRCS_DIR)/%.c
 253         $(COMPILE.c) -o $@ $<
 254         $(CTFCONVERT_O)
 255 
 256 dmod/%.o kmod%.o: $$(MODSRCS_DIR)/%.s
 257         $(COMPILE.s) -o $@ $<
 258 
 259 #
 260 # Lint
 261 #
 262 dmod/%.ln kmod/%.ln: %.c
 263         $(LINT.c) -dirout=$(@D) -c $<
 264 
 265 dmod/%.ln kmod/%.ln: %.s
 266         $(LINT.s) -dirout=$(@D) -c $<
 267 
 268 dmod/%.ln kmod/%.ln: ../%.c
 269         $(LINT.c) -dirout=$(@D) -c $<
 270 
 271 dmod/%.ln kmod/%.ln: ../%.s
 272         $(LINT.s) -dirout=$(@D) -c $<
 273 
 274 dmod/%.ln kmod/%.ln: ../../../common/modules/$(MODNAME)/%.c
 275         $(LINT.c) -dirout=$(@D) -c $<
 276 
 277 dmod/%.ln kmod/%.ln: ../../../common/modules/$(MODNAME)/%.s
 278         $(LINT.s) -dirout=$(@D) -c $<
 279 
 280 dmod/%.ln kmod/%.ln: $$(MODSRCS_DIR)/%.c
 281         $(LINT.c) -dirout=$(@D) -c $<
 282 
 283 dmod/%.ln kmod/%.ln: $$(MODSRCS_DIR)/%.s
 284         $(LINT.s) -dirout=$(@D) -c $<
 285 
 286 #
 287 # Installation targets
 288 #
 289 
 290 $(ROOT)/usr/lib/mdb/$(MDBTGT): $(ROOT)/usr/lib/mdb
 291         $(INS.dir)
 292 
 293 $(ROOT)/usr/lib/mdb:
 294         $(INS.dir)
 295 
 296 $(ROOT)/kernel/kmdb:
 297         $(INS.dir)
 298 
 299 $(ROOTMOD)/$(MODULE): $(ROOTMOD)
 300 
 301 $(ROOTKMOD)/$(KMODULE): $(ROOTKMOD)
 302 
 303 kmod dmod:
 304         -@mkdir -p $@