VirtualBox

source: vbox/trunk/src/VBox/HostDrivers/Support/linux/Makefile@ 53403

Last change on this file since 53403 was 50008, checked in by vboxsync, 11 years ago

supdrv,iprt: Added VBOX_WITH_TEXT_MODMEM_HACK for getting VMMR0.r0 address in the linux kernel stack crawl.
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1# $Id: Makefile 50008 2013-12-27 14:20:34Z vboxsync $
2## @file
3# Makefile for the VirtualBox Linux Host Driver.
4#
5
6#
7#
8# Copyright (C) 2006-2012 Oracle Corporation
9#
10# This file is part of VirtualBox Open Source Edition (OSE), as
11# available from http://www.virtualbox.org. This file is free software;
12# you can redistribute it and/or modify it under the terms of the GNU
13# General Public License (GPL) as published by the Free Software
14# Foundation, in version 2 as it comes in the "COPYING" file of the
15# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17#
18# The contents of this file may alternatively be used under the terms
19# of the Common Development and Distribution License Version 1.0
20# (CDDL) only, as it comes in the "COPYING.CDDL" file of the
21# VirtualBox OSE distribution, in which case the provisions of the
22# CDDL are applicable instead of those of the GPL.
23#
24# You may elect to license modified versions of this file under the
25# terms and conditions of either the GPL or the CDDL or both.
26#
27
28#
29# First, figure out which architecture we're targeting and the build type.
30# (We have to support basic cross building (ARCH=i386|x86_64).)
31# While at it, warn about BUILD_* vars found to help with user problems.
32#
33ifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
34 BUILD_TARGET_ARCH_DEF := amd64
35else
36 BUILD_TARGET_ARCH_DEF := x86
37endif
38ifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
39 $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
40 BUILD_TARGET_ARCH :=
41endif
42ifeq ($(BUILD_TARGET_ARCH),)
43 ifeq ($(ARCH),x86_64)
44 BUILD_TARGET_ARCH := amd64
45 else
46 ifeq ($(ARCH),i386)
47 BUILD_TARGET_ARCH := x86
48 else
49 BUILD_TARGET_ARCH := $(BUILD_TARGET_ARCH_DEF)
50 endif
51 endif
52else
53 ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF))
54 $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
55 endif
56endif
57
58ifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
59 $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
60 BUILD_TYPE :=
61endif
62ifeq ($(BUILD_TYPE),)
63 BUILD_TYPE := release
64else
65 ifneq ($(BUILD_TYPE),release)
66 $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
67 endif
68endif
69
70# override is required by the Debian guys
71override MODULE = vboxdrv
72OBJS = \
73 linux/SUPDrv-linux.o \
74 SUPDrv.o \
75 SUPDrvSem.o \
76 SUPDrvTracer.o \
77 r0drv/alloc-r0drv.o \
78 r0drv/initterm-r0drv.o \
79 r0drv/memobj-r0drv.o \
80 r0drv/mpnotification-r0drv.o \
81 r0drv/powernotification-r0drv.o \
82 r0drv/linux/assert-r0drv-linux.o \
83 r0drv/linux/alloc-r0drv-linux.o \
84 r0drv/linux/initterm-r0drv-linux.o \
85 r0drv/linux/memobj-r0drv-linux.o \
86 r0drv/linux/memuserkernel-r0drv-linux.o \
87 r0drv/linux/mp-r0drv-linux.o \
88 r0drv/linux/mpnotification-r0drv-linux.o \
89 r0drv/linux/process-r0drv-linux.o \
90 r0drv/linux/semevent-r0drv-linux.o \
91 r0drv/linux/semeventmulti-r0drv-linux.o \
92 r0drv/linux/semfastmutex-r0drv-linux.o \
93 r0drv/linux/semmutex-r0drv-linux.o \
94 r0drv/linux/spinlock-r0drv-linux.o \
95 r0drv/linux/thread-r0drv-linux.o \
96 r0drv/linux/thread2-r0drv-linux.o \
97 r0drv/linux/threadctxhooks-r0drv-linux.o \
98 r0drv/linux/time-r0drv-linux.o \
99 r0drv/linux/timer-r0drv-linux.o \
100 r0drv/generic/semspinmutex-r0drv-generic.o \
101 common/alloc/alloc.o \
102 common/checksum/crc32.o \
103 common/checksum/ipv4.o \
104 common/checksum/ipv6.o \
105 common/err/RTErrConvertFromErrno.o \
106 common/err/RTErrConvertToErrno.o \
107 common/log/log.o \
108 common/log/logellipsis.o \
109 common/log/logrel.o \
110 common/log/logrelellipsis.o \
111 common/log/logcom.o \
112 common/log/logformat.o \
113 common/misc/RTAssertMsg1Weak.o \
114 common/misc/RTAssertMsg2.o \
115 common/misc/RTAssertMsg2Add.o \
116 common/misc/RTAssertMsg2AddWeak.o \
117 common/misc/RTAssertMsg2AddWeakV.o \
118 common/misc/RTAssertMsg2Weak.o \
119 common/misc/RTAssertMsg2WeakV.o \
120 common/misc/assert.o \
121 common/misc/handletable.o \
122 common/misc/handletablectx.o \
123 common/misc/thread.o \
124 common/string/RTStrCopy.o \
125 common/string/RTStrCopyEx.o \
126 common/string/RTStrCopyP.o \
127 common/string/RTStrNCmp.o \
128 common/string/RTStrNLen.o \
129 common/string/stringalloc.o \
130 common/string/strformat.o \
131 common/string/strformatrt.o \
132 common/string/strformattype.o \
133 common/string/strprintf.o \
134 common/string/strtonum.o \
135 common/table/avlpv.o \
136 common/time/time.o \
137 r0drv/linux/RTLogWriteDebugger-r0drv-linux.o \
138 generic/RTAssertShouldPanic-generic.o \
139 generic/RTLogWriteStdErr-stub-generic.o \
140 generic/RTLogWriteStdOut-stub-generic.o \
141 generic/RTLogWriteUser-generic.o \
142 generic/RTMpGetArraySize-generic.o \
143 generic/RTMpGetCoreCount-generic.o \
144 generic/RTSemEventWait-2-ex-generic.o \
145 generic/RTSemEventWaitNoResume-2-ex-generic.o \
146 generic/RTSemEventMultiWait-2-ex-generic.o \
147 generic/RTSemEventMultiWaitNoResume-2-ex-generic.o \
148 generic/RTTimerCreate-generic.o \
149 generic/errvars-generic.o \
150 generic/mppresent-generic.o \
151 generic/uuid-generic.o \
152 VBox/log-vbox.o
153ifeq ($(BUILD_TARGET_ARCH),x86)
154OBJS += math/gcc/divdi3.o \
155 math/gcc/moddi3.o \
156 math/gcc/qdivrem.o \
157 math/gcc/udivdi3.o \
158 math/gcc/divdi3.o \
159 math/gcc/umoddi3.o
160endif
161ifeq ($(BUILD_TARGET_ARCH),amd64)
162OBJS += common/alloc/heapsimple.o
163endif
164ifdef VBOX_WITH_NATIVE_DTRACE
165OBJS += SUPDrvDTrace.o
166endif
167
168ifneq ($(MAKECMDGOALS),clean)
169
170ifeq ($(KERNELRELEASE),)
171
172 #
173 # building from this directory
174 #
175
176 # kernel base directory
177 ifndef KERN_DIR
178 # build for the current kernel, version check
179 KERN_DIR := /lib/modules/$(shell uname -r)/build
180 ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
181 KERN_DIR := /usr/src/linux
182 ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
183 $(error Error: unable to find the sources of your current Linux kernel. \
184 Specify KERN_DIR=<directory> and run Make again)
185 endif
186 $(warning Warning: using /usr/src/linux as the source directory of your \
187 Linux kernel. If this is not correct, specify \
188 KERN_DIR=<directory> and run Make again.)
189 endif
190 else
191 ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
192 $(error Error: KERN_DIR does not point to a directory)
193 endif
194 endif
195
196 # includes
197 ifndef KERN_INCL
198 KERN_INCL = $(KERN_DIR)/include
199 endif
200 ifneq ($(shell if test -d $(KERN_INCL); then echo yes; fi),yes)
201 $(error Error: unable to find the include directory for your current Linux \
202 kernel. Specify KERN_INCL=<directory> and run Make again)
203 endif
204
205 # module install dir, only for current kernel
206 ifneq ($(filter install install_rpm,$(MAKECMDGOALS)),)
207 ifndef MODULE_DIR
208 MODULE_DIR_TST := /lib/modules/$(shell uname -r)
209 ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
210 MODULE_DIR := $(MODULE_DIR_TST)/misc
211 else
212 $(error Unable to find the folder to install the support driver to)
213 endif
214 endif # MODULE_DIR unspecified
215 endif
216
217else # neq($(KERNELRELEASE),)
218
219 #
220 # building from kbuild (make -C <kernel_directory> M=`pwd`)
221 #
222
223endif # neq($(KERNELRELEASE),)
224
225# debug - show guesses.
226ifdef DEBUG
227$(warning dbg: KERN_DIR = $(KERN_DIR))
228$(warning dbg: KERN_INCL = $(KERN_INCL))
229$(warning dbg: MODULE_DIR = $(MODULE_DIR))
230endif
231
232KBUILD_VERBOSE ?= 1
233
234#
235# Compiler options
236#
237ifndef INCL
238 INCL := $(addprefix -I,$(KERN_INCL) $(EXTRA_INCL))
239 ifndef KBUILD_EXTMOD
240 KBUILD_EXTMOD := $(shell pwd)
241 endif
242 INCL += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)
243 INCL += $(addprefix -I$(KBUILD_EXTMOD)/vboxdrv,/ /include /r0drv/linux)
244 ifdef VBOX_WITH_NATIVE_DTRACE
245 INCL += -I/usr/include/linux -I/usr/include
246 endif
247 export INCL
248endif
249ifneq ($(wildcard $(KBUILD_EXTMOD)/vboxdrv),)
250 MANGLING := $(KBUILD_EXTMOD)/vboxdrv/include/VBox/SUPDrvMangling.h
251else
252 MANGLING := $(KBUILD_EXTMOD)/include/VBox/SUPDrvMangling.h
253endif
254KFLAGS := -D__KERNEL__ -DMODULE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 \
255 -DIN_SUP_R0 -DVBOX -DRT_WITH_VBOX -DVBOX_WITH_HARDENING \
256 -Wno-declaration-after-statement
257ifdef VBOX_REDHAT_KABI
258 KFLAGS += -DVBOX_REDHAT_KABI
259endif
260ifndef CONFIG_VBOXDRV_FIXEDMAJOR
261 KFLAGS += -DCONFIG_VBOXDRV_AS_MISC
262endif
263ifdef VBOX_WITH_NATIVE_DTRACE
264 KFLAGS += -DVBOX_WITH_NATIVE_DTRACE
265endif
266ifeq ($(BUILD_TARGET_ARCH),amd64)
267 KFLAGS += -DRT_ARCH_AMD64
268else
269 KFLAGS += -DRT_ARCH_X86
270endif
271# must be consistent with Config.kmk!
272KFLAGS += -DVBOX_WITH_64_BITS_GUESTS
273ifeq ($(BUILD_TYPE),debug)
274 KFLAGS += -DDEBUG -DDEBUG_$(USER) -g
275 # IPRT_DEBUG_SEMS indicates thread wrt sems state via the comm field.
276 #KFLAGS += -DIPRT_DEBUG_SEMS
277endif
278ifdef VBOX_WITH_TEXT_MODMEM_HACK
279 KFLAGS += -DRTMEMALLOC_EXEC_HEAP -DVBOX_WITH_TEXT_MODMEM_HACK
280endif
281
282# 2.6 and later
283MODULE_EXT := ko
284$(MODULE)-y := $(OBJS)
285
286# build defs
287EXTRA_CFLAGS += -include $(MANGLING) $(INCL) $(KFLAGS) $(KDEBUG)
288
289all: $(MODULE)
290
291obj-m += $(MODULE).o
292
293# OL/UEK: disable module signing for external modules -- we don't have any private key
294$(MODULE):
295 $(MAKE) KBUILD_VERBOSE=$(KBUILD_VERBOSE) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) CONFIG_MODULE_SIG= -C $(KERN_DIR) modules
296
297install: $(MODULE)
298 @mkdir -p $(MODULE_DIR); \
299 install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \
300 PATH="$(PATH):/bin:/sbin" depmod -a; \
301 rm -f /etc/vbox/module_not_compiled
302
303install_rpm: $(MODULE)
304 @mkdir -p $(MODULE_DIR); \
305 install -m 0664 $(MODULE).$(MODULE_EXT) $(MODULE_DIR)
306
307else # eq ($(MAKECMDGOALS),clean)
308
309 ifndef KERN_DIR
310 KERN_DIR := /lib/modules/$(shell uname -r)/build
311 ifeq ($(wildcard $(KERN_DIR)/Makefile),)
312 KERN_DIR := /usr/src/linux
313 endif
314 endif
315 ifeq ($(wildcard $(KERN_DIR)/Makefile),)
316
317clean:
318 find . \( -name \*.o -o -name \*.cmd \) -print0 | xargs -0 rm -f
319 rm -rf .tmp_ver* $(MODULE).* Module.symvers Modules.symvers modules.order
320
321 else
322
323clean:
324 $(MAKE) KBUILD_VERBOSE=$(KBUILD_VERBOSE) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) -C $(KERN_DIR) clean
325
326 endif
327
328endif # eq($(MAKECMDGOALS),clean)
329
330check: $(MODULE)
331 @if ! readelf -p __ksymtab_strings vboxdrv.ko | grep -E "\[.*\] *(RT|g_..*RT.*)"; then \
332 echo "All exported IPRT symbols are properly renamed!"; \
333 else \
334 echo "error: Some exported IPRT symbols was not properly renamed! See above." >&2; \
335 false; \
336 fi
337
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