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 2019 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 35LIBRARY = libumem.a 36STANDLIBRARY = libstandumem.so 37VERS = .1 38 39# By default, we build the shared library. Construction of the standalone 40# is specifically requested by architecture-specific Makefiles. 41TYPES = library 42CURTYPE = 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 49OBJECTS_library = \ 50 init_lib.o \ 51 umem_agent_support.o \ 52 umem_fail.o \ 53 umem_fork.o \ 54 umem_genasm.o \ 55 umem_update_thread.o \ 56 vmem_mmap.o \ 57 vmem_sbrk.o 58 59SRCS_common_library = \ 60 $(ISASRCDIR)/umem_genasm.c 61 62SRCS_library = $(OBJECTS_library:%.o=../common/%.c) $(SRC_common_library) 63 64# Files specific to the standalone version of libumem 65OBJECTS_standalone = \ 66 init_stand.o \ 67 stub_stand.o \ 68 vmem_stand.o 69 70SRCS_standalone = $(OBJECTS_standalone:%.o=../common/%.c) 71 72# Architecture-dependent files common to both versions of libumem 73OBJECTS_common_isadep = \ 74 asm_subr.o 75 76SRCS_common_isadep = \ 77 $(ISASRCDIR)/asm_subr.s 78 79# Architecture-independent files common to both versions of libumem 80OBJECTS_common_common = \ 81 envvar.o \ 82 getpcstack.o \ 83 malloc.o \ 84 misc.o \ 85 vmem_base.o \ 86 umem.o \ 87 vmem.o 88 89SRCS_common_common = $(OBJECTS_common_common:%.o=../common/%.c) 90 91OBJECTS = \ 92 $(OBJECTS_$(CURTYPE)) \ 93 $(OBJECTS_common_isadep) \ 94 $(OBJECTS_common_common) 95 96include ../../Makefile.lib 97include ../../Makefile.rootfs 98 99SRCS = \ 100 $(SRCS_$(CURTYPE)) \ 101 $(SRCS_common_common) 102 103SRCDIR = ../common 104 105# 106# Used to verify that the standalone doesn't have any unexpected external 107# dependencies. 108# 109LINKTEST_OBJ = objs/linktest_stand.o 110 111CLOBBERFILES_standalone = $(LINKTEST_OBJ) 112CLOBBERFILES += $(CLOBBERFILES_$(CURTYPE)) 113 114LIBS_standalone = $(STANDLIBRARY) 115LIBS_library = $(DYNLIB) 116LIBS = $(LIBS_$(CURTYPE)) 117 118MAPFILE_SUPPLEMENTAL_standalone = ../common/stand_mapfile 119MAPFILE_SUPPLEMENTAL = $(MAPFILE_SUPPLEMENTAL_$(CURTYPE)) 120 121LDLIBS += -lc 122 123LDFLAGS_standalone = $(ZNOVERSION) $(BREDUCE) -M../common/mapfile-vers \ 124 -M$(MAPFILE_SUPPLEMENTAL) -dy -r 125LDFLAGS = $(LDFLAGS_$(CURTYPE)) 126 127ASFLAGS_standalone = -DUMEM_STANDALONE 128ASFLAGS_library = 129ASFLAGS += -P $(ASFLAGS_$(CURTYPE)) -D_ASM 130 131# We want the thread-specific errno in the library, but we don't want it in 132# the standalone. $(DTS_ERRNO) is designed to add -D_TS_ERRNO to $(CPPFLAGS), 133# in order to enable this feature. Conveniently, -D_REENTRANT does the same 134# thing. As such, we null out $(DTS_ERRNO) to ensure that the standalone 135# doesn't get it. 136DTS_ERRNO= 137 138# We need to rename some standard functions so we can easily implement them 139# in consumers. 140STAND_RENAMED_FUNCS= \ 141 atomic_add_64 \ 142 atomic_add_32_nv \ 143 atomic_swap_64 \ 144 snprintf \ 145 vsnprintf 146 147CPPFLAGS_standalone = -DUMEM_STANDALONE $(STAND_RENAMED_FUNCS:%=-D%=umem_%) 148CPPFLAGS_library = -D_REENTRANT 149CPPFLAGS += -I../common -I../../common/inc $(CPPFLAGS_$(CURTYPE)) 150 151CFLAGS_standalone = $(STAND_FLAGS_32) 152CFLAGS_common = 153CFLAGS += $(CFLAGS_$(CURTYPE)) $(CFLAGS_common) 154 155CFLAGS64_standalone = $(STAND_FLAGS_64) 156CFLAGS64 += $(CCVERBOSE) $(CFLAGS64_$(CURTYPE)) $(CFLAGS64_common) 157 158# false positive for umem_alloc_sizes_add() 159pics/umem.o := SMOFF += index_overflow 160objs/umem.o := SMOFF += index_overflow 161 162INSTALL_DEPS_library = $(ROOTLINKS) $(ROOTLIBS) 163 164DYNFLAGS += $(ZINTERPOSE) 165 166.KEEP_STATE: 167