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84 lines
2.9 KiB
CMake
84 lines
2.9 KiB
CMake
# Copyright (c) 2009 Sun Microsystems, Inc.
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# Use is subject to license terms.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA
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# Generates an ELF object file with dtrace entry points.
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# This object that must to be linked with together with
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# the target. This script needs to run on Solaris only
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# Do not follow symlinks in GLOB_RECURSE
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CMAKE_POLICY(SET CMP0009 NEW)
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FILE(REMOVE ${OUTFILE})
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MACRO(CONVERT_TO_RELATIVE_PATHS files rel_paths)
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GET_FILENAME_COMPONENT(abs_dir . ABSOLUTE)
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SET(${rel_paths})
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FOREACH(file ${files})
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FILE(RELATIVE_PATH rel ${abs_dir} ${file})
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LIST(APPEND ${rel_paths} ${rel})
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ENDFOREACH()
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ENDMACRO()
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IF(TYPE STREQUAL "MERGE")
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# Rerun dtrace on objects that are already in static libraries.
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# Object paths are stored in text files named 'dtrace_objects'
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# in the input directories. We have to copy the objects into temp.
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# directory, as running dtrace -G on original files will change
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# timestamps and cause rebuilds or the libraries / excessive
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# relink
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FILE(REMOVE_RECURSE dtrace_objects_merge)
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MAKE_DIRECTORY(dtrace_objects_merge)
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FOREACH(dir ${DIRS})
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FILE(STRINGS ${dir}/dtrace_objects OBJS)
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FOREACH(obj ${OBJS})
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IF(obj)
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EXECUTE_PROCESS(COMMAND cp ${obj} dtrace_objects_merge)
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ENDIF()
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ENDFOREACH()
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ENDFOREACH()
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FILE(GLOB_RECURSE OBJECTS dtrace_objects_merge/*.o)
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CONVERT_TO_RELATIVE_PATHS("${OBJECTS}" REL_OBJECTS)
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EXECUTE_PROCESS(
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COMMAND ${DTRACE} ${DTRACE_FLAGS} -o ${OUTFILE} -G -s ${DFILE} ${REL_OBJECTS}
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)
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RETURN()
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ENDIF()
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FOREACH(dir ${DIRS})
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FILE(GLOB_RECURSE OBJECTS ${dir}/*.o)
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CONVERT_TO_RELATIVE_PATHS("${OBJECTS}" REL)
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LIST(APPEND REL_OBJECTS ${REL})
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ENDFOREACH()
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FILE(WRITE dtrace_timestamp "")
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EXECUTE_PROCESS(
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COMMAND ${DTRACE} ${DTRACE_FLAGS} -o ${OUTFILE} -G -s ${DFILE} ${REL_OBJECTS}
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)
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# Save objects that contain dtrace probes in a file.
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# This file is used when script is called with -DTYPE=MERGE
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# to dtrace from static libs.
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# To find objects with probes, look at the timestamp, it was updated
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# by dtrace -G run
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IF(TYPE MATCHES "STATIC")
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FILE(WRITE dtrace_objects "")
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FOREACH(obj ${REL_OBJECTS})
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IF(${obj} IS_NEWER_THAN dtrace_timestamp)
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GET_FILENAME_COMPONENT(obj_absolute_path ${obj} ABSOLUTE)
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FILE(APPEND dtrace_objects "${obj_absolute_path}\n" )
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ENDIF()
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ENDFOREACH()
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ENDIF()
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