13e3ca1ceSRobert Mustacchi# 23e3ca1ceSRobert Mustacchi# This file and its contents are supplied under the terms of the 33e3ca1ceSRobert Mustacchi# Common Development and Distribution License ("CDDL"), version 1.0. 43e3ca1ceSRobert Mustacchi# You may only use this file in accordance with the terms of version 53e3ca1ceSRobert Mustacchi# 1.0 of the CDDL. 63e3ca1ceSRobert Mustacchi# 73e3ca1ceSRobert Mustacchi# A full copy of the text of the CDDL should have accompanied this 83e3ca1ceSRobert Mustacchi# source. A copy of the CDDL is also available via the Internet at 93e3ca1ceSRobert Mustacchi# http://www.illumos.org/license/CDDL. 103e3ca1ceSRobert Mustacchi# 113e3ca1ceSRobert Mustacchi 123e3ca1ceSRobert Mustacchi# 133e3ca1ceSRobert Mustacchi# Copyright 2016 Joyent, Inc. 14*12b9cfbaSRobert Mustacchi# Copyright 2021 Oxide Computer Company 153e3ca1ceSRobert Mustacchi# 163e3ca1ceSRobert Mustacchi 173e3ca1ceSRobert Mustacchi# 183e3ca1ceSRobert Mustacchi# This Makefile should be included in individual kernel modules to opt 193e3ca1ceSRobert Mustacchi# into a -z defs world. Note, this should be included after a MAPFILES 203e3ca1ceSRobert Mustacchi# entry is defined. See uts/common/README.mapfiles for more information. 213e3ca1ceSRobert Mustacchi# 223e3ca1ceSRobert Mustacchi 233e3ca1ceSRobert Mustacchi# 243e3ca1ceSRobert Mustacchi# Mapfile base 253e3ca1ceSRobert Mustacchi# 263e3ca1ceSRobert MustacchiMAPBASE = $(UTSBASE)/common/mapfiles 273e3ca1ceSRobert MustacchiDTRACE_MAPFILE = $(OBJS_DIR)/dtrace.mapfile 283e3ca1ceSRobert Mustacchi 293e3ca1ceSRobert Mustacchi# 303e3ca1ceSRobert Mustacchi# Always append -z defs to the LD FLAGS and append all mapfiles. 313e3ca1ceSRobert Mustacchi# 323e3ca1ceSRobert MustacchiLDFLAGS += -z defs $(MAPFILES:%=-M $(MAPBASE)/%.mapfile) -M $(DTRACE_MAPFILE) 333e3ca1ceSRobert Mustacchi 343e3ca1ceSRobert Mustacchi# 353e3ca1ceSRobert Mustacchi# Definitions and rules to assemble the DTrace probe mapfile. There's no 363e3ca1ceSRobert Mustacchi# good way to automatically do this, hence we have a slightly gross 373e3ca1ceSRobert Mustacchi# series of automated tools. This does mean that we have a bit more work 383e3ca1ceSRobert Mustacchi# to do, but also means that probes can be added arbitrarily without 393e3ca1ceSRobert Mustacchi# having to manually edit mapfiles. 403e3ca1ceSRobert Mustacchi# 413e3ca1ceSRobert MustacchiDTRACE_AWK_FILE = $(MAPBASE)/dtrace.mapfile.awk 423e3ca1ceSRobert Mustacchi 433e3ca1ceSRobert Mustacchi$(OBJS_DIR)/dtrace.mapfile: $(OBJECTS) $(DTRACE_AWK_FILE) 443e3ca1ceSRobert Mustacchi $(NM) -u $(OBJECTS) | $(AWK) -f $(DTRACE_AWK_FILE) > $@ 45*12b9cfbaSRobert Mustacchi 46*12b9cfbaSRobert Mustacchi# 47*12b9cfbaSRobert Mustacchi# Make sure that we don't leave behind the DTrace related mapfiles. 48*12b9cfbaSRobert Mustacchi# 49*12b9cfbaSRobert MustacchiCLEANFILES += $(DTRACE_MAPFILE) 50