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 2008 Sun Microsystems, Inc.  All rights reserved.
  23 # Use is subject to license terms.
  24 #
  25 # Copyright (c) 2018, Joyent, Inc.
  26 #
  27 
  28 #
  29 # The build process for libumem is sightly different from that used by other
  30 # libraries, because libumem must be built in two flavors - as a standalone
  31 # for use by kmdb and as a normal library.  We use $(CURTYPE) to indicate the
  32 # current flavor being built.
  33 #
  34 
  35 LIBRARY = libumem.a
  36 STANDLIBRARY = libstandumem.so
  37 VERS = .1
  38 
  39 # By default, we build the shared library.  Construction of the standalone
  40 # is specifically requested by architecture-specific Makefiles.
  41 TYPES = library
  42 CURTYPE = library
  43 
  44 # This would be much prettier if a) Makefile.lib didn't reqire both $(SRCS) and
  45 # $(OBJECTS) to be set or b) make gave us a nice way to do basename in pattern
  46 # replacement definitions.
  47 
  48 # Files specific to the library version of libumem
  49 OBJECTS_library = \
  50         init_lib.o \
  51         umem_agent_support.o \
  52         umem_fail.o \
  53         umem_fork.o \
  54         umem_update_thread.o \
  55         vmem_mmap.o \
  56         vmem_sbrk.o
  57 
  58 SRCS_library = $(OBJECTS_library:%.o=../common/%.c)
  59 
  60 # Files specific to the standalone version of libumem
  61 OBJECTS_standalone = \
  62         init_stand.o \
  63         stub_stand.o \
  64         vmem_stand.o
  65 
  66 SRCS_standalone = $(OBJECTS_standalone:%.o=../common/%.c)
  67 
  68 # Architecture-dependent files common to both versions of libumem
  69 OBJECTS_common_isadep = \
  70         asm_subr.o \
  71         umem_genasm.o   
  72 
  73 SRCS_common_isadep = \
  74         $(ISASRCDIR)/asm_subr.s \
  75         $(ISASRCDIR)/umem_genasm.c
  76 
  77 # Architecture-independent files common to both versions  of libumem
  78 OBJECTS_common_common = \
  79         envvar.o \
  80         getpcstack.o \
  81         malloc.o \
  82         misc.o \
  83         vmem_base.o \
  84         umem.o \
  85         vmem.o
  86 
  87 SRCS_common_common = $(OBJECTS_common_common:%.o=../common/%.c)
  88 
  89 OBJECTS = \
  90         $(OBJECTS_$(CURTYPE)) \
  91         $(OBJECTS_common_isadep) \
  92         $(OBJECTS_common_common)
  93 
  94 include ../../Makefile.lib
  95 include ../../Makefile.rootfs
  96 
  97 SRCS = \
  98         $(SRCS_$(CURTYPE)) \
  99         $(SRCS_common_isadep) \
 100         $(SRCS_common_common)
 101 
 102 SRCDIR = ../common
 103 
 104 #
 105 # Used to verify that the standalone doesn't have any unexpected external
 106 # dependencies.
 107 #
 108 LINKTEST_OBJ = objs/linktest_stand.o
 109 
 110 CLOBBERFILES_standalone = $(LINKTEST_OBJ)
 111 CLOBBERFILES += $(CLOBBERFILES_$(CURTYPE))
 112 
 113 LIBS_standalone = $(STANDLIBRARY)
 114 LIBS_library = $(DYNLIB) $(LINTLIB)
 115 LIBS =  $(LIBS_$(CURTYPE))
 116 
 117 MAPFILE_SUPPLEMENTAL_standalone = ../common/stand_mapfile
 118 MAPFILE_SUPPLEMENTAL = $(MAPFILE_SUPPLEMENTAL_$(CURTYPE))
 119 
 120 LDLIBS +=       -lc
 121 
 122 LDFLAGS_standalone = $(ZNOVERSION) $(BREDUCE) -M../common/mapfile-vers \
 123         -M$(MAPFILE_SUPPLEMENTAL) -dy -r
 124 LDFLAGS = $(LDFLAGS_$(CURTYPE))
 125 
 126 ASFLAGS_standalone = -DUMEM_STANDALONE
 127 ASFLAGS_library =
 128 ASFLAGS += -P $(ASFLAGS_$(CURTYPE)) -D_ASM
 129 
 130 CERRWARN += -_gcc=-Wno-switch
 131 CERRWARN += -_gcc=-Wno-uninitialized
 132 
 133 SMOFF += deref_check
 134 
 135 $(LINTLIB) := SRCS = ../common/$(LINTSRC)
 136 
 137 # We want the thread-specific errno in the library, but we don't want it in
 138 # the standalone.  $(DTS_ERRNO) is designed to add -D_TS_ERRNO to $(CPPFLAGS),
 139 # in order to enable this feature.  Conveniently, -D_REENTRANT does the same
 140 # thing.  As such, we null out $(DTS_ERRNO) to ensure that the standalone
 141 # doesn't get it.
 142 DTS_ERRNO=
 143 
 144 # We need to rename some standard functions so we can easily implement them
 145 # in consumers.
 146 STAND_RENAMED_FUNCS= \
 147         atomic_add_64 \
 148         atomic_add_32_nv \
 149         atomic_swap_64 \
 150         snprintf \
 151         vsnprintf
 152 
 153 CPPFLAGS_standalone = -DUMEM_STANDALONE $(STAND_RENAMED_FUNCS:%=-D%=umem_%)
 154 CPPFLAGS_library = -D_REENTRANT
 155 CPPFLAGS +=     -I../common -I../../common/inc $(CPPFLAGS_$(CURTYPE))
 156 
 157 CFLAGS_standalone = $(STAND_FLAGS_32)
 158 CFLAGS_common =
 159 CFLAGS += $(CFLAGS_$(CURTYPE)) $(CFLAGS_common)
 160 
 161 CFLAGS64_standalone = $(STAND_FLAGS_64)
 162 CFLAGS64 += $(CCVERBOSE) $(CFLAGS64_$(CURTYPE)) $(CFLAGS64_common)
 163 
 164 INSTALL_DEPS_library =          $(ROOTLINKS) $(ROOTLINT) $(ROOTLIBS)
 165 
 166 #
 167 # turn off ptr-cast warnings, since we do them all the time
 168 #
 169 LINTFLAGS +=    -erroff=E_BAD_PTR_CAST_ALIGN
 170 LINTFLAGS64 +=  -erroff=E_BAD_PTR_CAST_ALIGN
 171 
 172 DYNFLAGS +=     $(ZINTERPOSE)
 173 
 174 .KEEP_STATE: