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) 2018, Joyent, Inc.
  27 #
  28 
  29 .KEEP_STATE:
  30 .SUFFIXES:
  31 
  32 include $(SRC)/cmd/mdb/Makefile.tools
  33 
  34 #
  35 # Make sure we're getting a consistent execution environment for the
  36 # embedded scripts.
  37 #
  38 SHELL= /usr/bin/ksh93
  39 
  40 $(KMOD_SOURCES_DIFFERENT)KMODSRCS = $(MODSRCS)
  41 $(KMOD_SOURCES_DIFFERENT)KMODASMSRCS = $(MODASMSRCS)
  42 
  43 MODOBJS = $(MODSRCS:%.c=dmod/%.o) $(MODASMSRCS:%.s=dmod/%.o)
  44 KMODOBJS = $(KMODSRCS:%.c=kmod/%.o) $(KMODASMSRCS:%.s=kmod/%.o)
  45 
  46 MODNAME_cmd = if [ -n "$(MODULE_NAME)" ]; then print $(MODULE_NAME); else print $(MODULE)| sed -e 's:\.so$$::'; fi
  47 MODNAME = $(MODNAME_cmd:sh)
  48 KMODULE = $(MODNAME)
  49 
  50 MODFILE = dmod/$(MODULE)
  51 KMODFILE = kmod/$(KMODULE)
  52 
  53 #
  54 # The mess below is designed to pick the right set of objects to build and/or
  55 # lint.  We have three flavors:
  56 #
  57 #  1. proc and raw modules.  Only $(MODOBJS) are built.
  58 #  2. kvm modules for systems without kmdb.  Only $(MODOBJS) are built.
  59 #  3. kvm modules for systems with kmdb.  $(MODOBJS) and $(KMODOBJS) are built.
  60 #
  61 # Complicating matters, we'd like to make the distinction between 2 and 3 before
  62 # this Makefile is loaded.  By default, we'll assume that all kvm modules should
  63 # be built for kmdb.  If, however, the user sets $(MODULE_BUILD_TYPE) to `mdb',
  64 # the kmdb variant of the module won't be built.
  65 #
  66 
  67 # Which flavors are to be built?
  68 TARGETS_kvm_type_       = both  # Build both if $(MODULE_BUILD_TYPE) is unset
  69 TARGETS_kvm_type_kmdb   = both
  70 TARGETS_kvm_type_mdb    = mdb
  71 TARGETS_kvm_type        = $(TARGETS_kvm_type_$(MODULE_BUILD_TYPE))
  72 
  73 # What should we build?
  74 TARGETS_kvm_kmdb        = $(KMODFILE)
  75 TARGETS_kvm_mdb         = $(MODFILE)
  76 TARGETS_kvm_both        = $(TARGETS_kvm_mdb) $(TARGETS_kvm_kmdb)
  77 TARGETS_kvm             = $(TARGETS_kvm_$(TARGETS_kvm_type))
  78 TARGETS_proc            = $(MODFILE)
  79 TARGETS_raw             = $(MODFILE)
  80 TARGETS                 = $(TARGETS_$(MDBTGT))
  81 
  82 # Where should we install that which we've built?
  83 ROOTTGTS_kvm_type       = $(TARGETS_kvm_type)   # overridden by mdb_ks
  84 ROOTTGTS_kvm_kmdb       = $(ROOTKMOD)/$(KMODULE)
  85 ROOTTGTS_kvm_mdb        = $(ROOTMOD)/$(MODULE)
  86 ROOTTGTS_kvm_both       = $(ROOTTGTS_kvm_mdb) $(ROOTTGTS_kvm_kmdb)
  87 ROOTTGTS_kvm            = $(ROOTTGTS_kvm_$(ROOTTGTS_kvm_type))
  88 ROOTTGTS_proc           = $(ROOTMOD)/$(MODULE)
  89 ROOTTGTS_raw            = $(ROOTMOD)/$(MODULE)
  90 ROOTTGTS                = $(ROOTTGTS_$(MDBTGT))
  91 
  92 # What should we lint?
  93 KLINTOBJS               = $(KMODOBJS:%.o=%.ln)
  94 LINTOBJS                = $(MODOBJS:%.o=%.ln)
  95 
  96 LINTFILES_kvm_type      = $(TARGETS_kvm_type)
  97 LINTFILES_kvm_both      = $(KLINTOBJS) $(LINTOBJS)
  98 LINTFILES_kvm_mdb       = $(LINTOBJS)
  99 LINTFILES_kvm           = $(LINTFILES_kvm_$(LINTFILES_kvm_type))
 100 LINTFILES_proc          = $(LINTOBJS)
 101 LINTFILES_raw           = $(LINTOBJS)
 102 LINTFILES               = $(LINTFILES_$(MDBTGT))
 103 
 104 #
 105 # Python specific flags. To try and make life easier for folks how are
 106 # building with an LFS python, we attempt to use -isystem when it's
 107 # available.
 108 #
 109 PYCPPFLAGS              = -_gcc=-isystem -_gcc=$(ADJUNCT_PROTO)/usr/include/python$(PYTHON_VERSION)
 110 PYCPPFLAGS              += -_cc=-I$(ADJUNCT_PROTO)/usr/include/python$(PYTHON_VERSION)
 111 PYLNFLAGS               = -I$(ADJUNCT_PROTO)/usr/include/python$(PYTHON_VERSION)
 112 
 113 kvm_TGTFLAGS            = -D_KERNEL
 114 proc_TGTFLAGS           = -D_USER
 115 
 116 CSTD                    = $(CSTD_GNU99)
 117 
 118 CFLAGS                  += $(CCVERBOSE)
 119 CFLAGS64                += $(CCVERBOSE)
 120 CPPFLAGS                += $($(MDBTGT)_TGTFLAGS) -I../../../common
 121 LDFLAGS                 += $(ZTEXT)
 122 LDFLAGS64               += $(ZTEXT)
 123 ASFLAGS                 += -P
 124 AS_CPPFLAGS             += -D_ASM
 125 
 126 SMOFF += all_func_returns,index_overflow
 127 
 128 # Module type-specific compiler flags
 129 $(MODOBJS) :=                   CFLAGS += $(C_BIGPICFLAGS) $(XREGSFLAG)
 130 $(MODOBJS) :=                   CFLAGS64 += $(C_BIGPICFLAGS) $(XREGSFLAG)
 131 $(KMODOBJS) $(KLINTOBJS) :=     CPPFLAGS += -D_KMDB
 132 $(KMODOBJS) :=                  V9CODESIZE = $(CCABS32)
 133 $(KMODOBJS) :=                  DTS_ERRNO =
 134 
 135 # Modules aren't allowed to export symbols
 136 MAPFILE         = $(SRC)/cmd/mdb/common/modules/conf/mapfile
 137 
 138 # Modules typically make external references.  To provide for -zdefs use
 139 # and clean ldd(1) processing, explicitly define all external references.
 140 MAPFILE-EXT     = $(SRC)/cmd/mdb/common/modules/conf/mapfile-extern
 141 
 142 #
 143 # kmdb is a kernel module, so we'll use the kernel's build flags.
 144 $(KMODOBJS) := CFLAGS64 += $(STAND_FLAGS_64)
 145 
 146 #
 147 # Override this to pull source files from another directory
 148 #
 149 MODSRCS_DIR = ../../../common/modules/genunix
 150 
 151 all: $$(TARGETS)
 152 
 153 install: all $$(ROOTTGTS)
 154 
 155 dmods: install
 156 
 157 clean.lint:
 158         $(RM) $(LINTFILES) $(MODSRCS:.c=.ln)
 159 
 160 clean:
 161         $(RM) $(MODOBJS) $(KMODOBJS) $(CLEANFILES)
 162 
 163 clobber: clean clean.lint
 164         $(RM) $(MODFILE) $(KMODFILE) $(CLOBBERFILES)
 165 
 166 lint: $$(LINTFILES)
 167 
 168 .NO_PARALLEL:
 169 .PARALLEL: $(MODOBJS) $(KMODOBJS) mdb_tgt kmdb_tgt dmod kmod \
 170         $(TARGETS) $(LINTFILES)
 171 
 172 $(MODFILE): dmod .WAIT $(MODOBJS) $$(MAPFILE-EXT)
 173         $(LINK.c) $(ZDEFS) $(ZIGNORE) $(MAPFILE-EXT:%=-M%) $(GSHARED) \
 174             $(MODOBJS) -o $@ $(LDLIBS) -lc
 175         $(CTFMERGE) -L VERSION -o $@ $(MODOBJS)
 176         $(POST_PROCESS_SO)
 177 
 178 #
 179 # kmdb dmods must *not* stray from the module API.  To ensure that they don't,
 180 # we try to link them, at build time, against an object that exports the symbols
 181 # that they can legally use.  The link test object is, however, only built when
 182 # kmdb itself is built.  Requiring module developers to build kmdb first would
 183 # be painful, so by default, module-level builds don't do the link test (the
 184 # $(POUND_SIGN) assignment below takes care of that).  Builds of the entire
 185 # tree can, however, guarantee the construction of kmdb first, and as such can
 186 # override the setting of $(KMDB_LINKTEST_ENABLE).  This override causes the
 187 # link test to be run.
 188 #
 189 # Developers wanting to force a link test for a single module can use the
 190 # `linktest' target from within a module directory.
 191 #
 192 LINKTESTOBJ = $(KMDBDIR)/kmdb_modlinktest.o
 193 
 194 KMDB_LINKTEST = \
 195         $(LD) $(ZDEFS) -dy -r -o $@.linktest $(KMODOBJS) \
 196         $(STANDOBJS) $(LINKTESTOBJ) && \
 197         $(RM) $@.linktest
 198 
 199 KMDB_LINKTEST_ENABLE=$(POUND_SIGN)
 200 $(KMDB_LINKTEST_ENABLE)KMDB_LINKTEST_CMD = $(KMDB_LINKTEST)
 201 
 202 #
 203 # Ensure that dmods don't use floating point
 204 #
 205 KMDB_FPTEST_CMD = $(KMDB_FPTEST)
 206 
 207 $(KMODFILE): kmod .WAIT $(KMODOBJS) $(MAPFILE)
 208         $(LD) -dy -r $(MAPFILE:%=-M%) -Nmisc/kmdbmod -o $@ $(KMODOBJS) \
 209         $(STANDOBJS)
 210         $(KMDB_LINKTEST_CMD)
 211         $(KMDB_FPTEST_CMD)
 212         $(CTFMERGE) -f -L VERSION -o $@ $(KMODOBJS)
 213         $(POST_PROCESS)
 214         $(SETDYNFLAG) -f DF_1_NOKSYMS $@
 215 
 216 linktest: linktest_check .WAIT kmod .WAIT $(KMODOBJS)
 217         $(KMDB_LINKTEST)
 218 
 219 linktest_check:
 220         @if [ "$(MDBTGT)" != "kvm" ] ; then \
 221                 echo "ERROR: linktest is not supported non-kvm/disasm dmods" \
 222                     >&2 ; \
 223                 exit 1 ; \
 224         fi
 225 
 226 #
 227 # Dynamic rules for object construction
 228 #
 229 dmod/%.o kmod/%.o: %.c
 230         $(COMPILE.c) -o $@ $<
 231         $(CTFCONVERT_O)
 232 
 233 dmod/%.o kmod%.o: %.s
 234         $(COMPILE.s) -o $@ $<
 235         $(CTFCONVERT_O)
 236 
 237 dmod/%.o kmod/%.o: ../%.c
 238         $(COMPILE.c) -o $@ $<
 239         $(CTFCONVERT_O)
 240 
 241 dmod/%.o kmod%.o: ../%.s
 242         $(COMPILE.s) -o $@ $<
 243         $(CTFCONVERT_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         $(CTFCONVERT_O)
 252 
 253 dmod/%.o kmod/%.o: $$(MODSRCS_DIR)/%.c
 254         $(COMPILE.c) -o $@ $<
 255         $(CTFCONVERT_O)
 256 
 257 dmod/%.o kmod%.o: $$(MODSRCS_DIR)/%.s
 258         $(COMPILE.s) -o $@ $<
 259         $(CTFCONVERT_O)
 260 
 261 #
 262 # Lint
 263 #
 264 dmod/%.ln kmod/%.ln: %.c
 265         $(LINT.c) -dirout=$(@D) -c $<
 266 
 267 dmod/%.ln kmod/%.ln: %.s
 268         $(LINT.s) -dirout=$(@D) -c $<
 269 
 270 dmod/%.ln kmod/%.ln: ../%.c
 271         $(LINT.c) -dirout=$(@D) -c $<
 272 
 273 dmod/%.ln kmod/%.ln: ../%.s
 274         $(LINT.s) -dirout=$(@D) -c $<
 275 
 276 dmod/%.ln kmod/%.ln: ../../../common/modules/$(MODNAME)/%.c
 277         $(LINT.c) -dirout=$(@D) -c $<
 278 
 279 dmod/%.ln kmod/%.ln: ../../../common/modules/$(MODNAME)/%.s
 280         $(LINT.s) -dirout=$(@D) -c $<
 281 
 282 dmod/%.ln kmod/%.ln: $$(MODSRCS_DIR)/%.c
 283         $(LINT.c) -dirout=$(@D) -c $<
 284 
 285 dmod/%.ln kmod/%.ln: $$(MODSRCS_DIR)/%.s
 286         $(LINT.s) -dirout=$(@D) -c $<
 287 
 288 #
 289 # Installation targets
 290 #
 291 
 292 $(ROOT)/usr/lib/mdb/$(MDBTGT): $(ROOT)/usr/lib/mdb
 293         $(INS.dir)
 294 
 295 $(ROOT)/usr/lib/mdb:
 296         $(INS.dir)
 297 
 298 $(ROOT)/kernel/kmdb:
 299         $(INS.dir)
 300 
 301 $(ROOTMOD)/$(MODULE): $(ROOTMOD)
 302 
 303 $(ROOTKMOD)/$(KMODULE): $(ROOTKMOD)
 304 
 305 kmod dmod:
 306         -@mkdir -p $@