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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,3 @@ | ||
| *~ | ||
| /CMakeLists.txt.user | ||
| build* | ||
| site |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,202 @@ | ||
| # | ||
| # BackwardMacros.cmake | ||
| # Copyright 2013 Google Inc. All Rights Reserved. | ||
| # | ||
| # Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| # of this software and associated documentation files (the "Software"), to deal | ||
| # in the Software without restriction, including without limitation the rights | ||
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| # copies of the Software, and to permit persons to whom the Software is | ||
| # furnished to do so, subject to the following conditions: | ||
| # | ||
| # The above copyright notice and this permission notice shall be included in | ||
| # all copies or substantial portions of the Software. | ||
| # | ||
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| # SOFTWARE. | ||
|
|
||
| ############################################################################### | ||
| # OPTIONS | ||
| ############################################################################### | ||
|
|
||
| set(STACK_WALKING_UNWIND TRUE CACHE BOOL | ||
| "Use compiler's unwind API") | ||
| set(STACK_WALKING_BACKTRACE FALSE CACHE BOOL | ||
| "Use backtrace from (e)glibc for stack walking") | ||
|
|
||
| set(STACK_DETAILS_AUTO_DETECT TRUE CACHE BOOL | ||
| "Auto detect backward's stack details dependencies") | ||
|
|
||
| set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE CACHE BOOL | ||
| "Use backtrace from (e)glibc for symbols resolution") | ||
| set(STACK_DETAILS_DW FALSE CACHE BOOL | ||
| "Use libdw to read debug info") | ||
| set(STACK_DETAILS_BFD FALSE CACHE BOOL | ||
| "Use libbfd to read debug info") | ||
| set(STACK_DETAILS_DWARF FALSE CACHE BOOL | ||
| "Use libdwarf/libelf to read debug info") | ||
|
|
||
| set(BACKWARD_TESTS FALSE CACHE BOOL "Enable tests") | ||
|
|
||
| ############################################################################### | ||
| # CONFIGS | ||
| ############################################################################### | ||
| if (${STACK_DETAILS_AUTO_DETECT}) | ||
| include(FindPackageHandleStandardArgs) | ||
|
|
||
| # find libdw | ||
| find_path(LIBDW_INCLUDE_DIR NAMES "elfutils/libdw.h" "elfutils/libdwfl.h") | ||
| find_library(LIBDW_LIBRARY dw) | ||
| set(LIBDW_INCLUDE_DIRS ${LIBDW_INCLUDE_DIR} ) | ||
| set(LIBDW_LIBRARIES ${LIBDW_LIBRARY} ) | ||
| find_package_handle_standard_args(libdw DEFAULT_MSG | ||
| LIBDW_LIBRARY LIBDW_INCLUDE_DIR) | ||
| mark_as_advanced(LIBDW_INCLUDE_DIR LIBDW_LIBRARY) | ||
|
|
||
| # find libbfd | ||
| find_path(LIBBFD_INCLUDE_DIR NAMES "bfd.h") | ||
| find_path(LIBDL_INCLUDE_DIR NAMES "dlfcn.h") | ||
| find_library(LIBBFD_LIBRARY bfd) | ||
| find_library(LIBDL_LIBRARY dl) | ||
| set(LIBBFD_INCLUDE_DIRS ${LIBBFD_INCLUDE_DIR} ${LIBDL_INCLUDE_DIR}) | ||
| set(LIBBFD_LIBRARIES ${LIBBFD_LIBRARY} ${LIBDL_LIBRARY}) | ||
| find_package_handle_standard_args(libbfd DEFAULT_MSG | ||
| LIBBFD_LIBRARY LIBBFD_INCLUDE_DIR | ||
| LIBDL_LIBRARY LIBDL_INCLUDE_DIR) | ||
| mark_as_advanced(LIBBFD_INCLUDE_DIR LIBBFD_LIBRARY | ||
| LIBDL_INCLUDE_DIR LIBDL_LIBRARY) | ||
|
|
||
| # find libdwarf | ||
| find_path(LIBDWARF_INCLUDE_DIR NAMES "libdwarf.h" PATH_SUFFIXES libdwarf) | ||
| find_path(LIBELF_INCLUDE_DIR NAMES "libelf.h") | ||
| find_path(LIBDL_INCLUDE_DIR NAMES "dlfcn.h") | ||
| find_library(LIBDWARF_LIBRARY dwarf) | ||
| find_library(LIBELF_LIBRARY elf) | ||
| find_library(LIBDL_LIBRARY dl) | ||
| set(LIBDWARF_INCLUDE_DIRS ${LIBDWARF_INCLUDE_DIR} ${LIBELF_INCLUDE_DIR} ${LIBDL_INCLUDE_DIR}) | ||
| set(LIBDWARF_LIBRARIES ${LIBDWARF_LIBRARY} ${LIBELF_LIBRARY} ${LIBDL_LIBRARY}) | ||
| find_package_handle_standard_args(libdwarf DEFAULT_MSG | ||
| LIBDWARF_LIBRARY LIBDWARF_INCLUDE_DIR | ||
| LIBELF_LIBRARY LIBELF_INCLUDE_DIR | ||
| LIBDL_LIBRARY LIBDL_INCLUDE_DIR) | ||
| mark_as_advanced(LIBDWARF_INCLUDE_DIR LIBDWARF_LIBRARY | ||
| LIBELF_INCLUDE_DIR LIBELF_LIBRARY | ||
| LIBDL_INCLUDE_DIR LIBDL_LIBRARY) | ||
|
|
||
| if (LIBDW_FOUND) | ||
| LIST(APPEND _BACKWARD_INCLUDE_DIRS ${LIBDW_INCLUDE_DIRS}) | ||
| LIST(APPEND _BACKWARD_LIBRARIES ${LIBDW_LIBRARIES}) | ||
| set(STACK_DETAILS_DW TRUE) | ||
| set(STACK_DETAILS_BFD FALSE) | ||
| set(STACK_DETAILS_DWARF FALSE) | ||
| set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE) | ||
| elseif(LIBBFD_FOUND) | ||
| LIST(APPEND _BACKWARD_INCLUDE_DIRS ${LIBBFD_INCLUDE_DIRS}) | ||
| LIST(APPEND _BACKWARD_LIBRARIES ${LIBBFD_LIBRARIES}) | ||
|
|
||
| # If we attempt to link against static bfd, make sure to link its dependencies, too | ||
| get_filename_component(bfd_lib_ext "${LIBBFD_LIBRARY}" EXT) | ||
| if (bfd_lib_ext STREQUAL "${CMAKE_STATIC_LIBRARY_SUFFIX}") | ||
| list(APPEND _BACKWARD_LIBRARIES iberty z) | ||
| endif() | ||
|
|
||
| set(STACK_DETAILS_DW FALSE) | ||
| set(STACK_DETAILS_BFD TRUE) | ||
| set(STACK_DETAILS_DWARF FALSE) | ||
| set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE) | ||
| elseif(LIBDWARF_FOUND) | ||
| LIST(APPEND _BACKWARD_INCLUDE_DIRS ${LIBDWARF_INCLUDE_DIRS}) | ||
| LIST(APPEND BACKWARD_LIBRARIES ${LIBDWARF_LIBRARIES}) | ||
|
|
||
| set(STACK_DETAILS_DW FALSE) | ||
| set(STACK_DETAILS_BFD FALSE) | ||
| set(STACK_DETAILS_DWARF TRUE) | ||
| set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE) | ||
| else() | ||
| set(STACK_DETAILS_DW FALSE) | ||
| set(STACK_DETAILS_BFD FALSE) | ||
| set(STACK_DETAILS_DWARF FALSE) | ||
| set(STACK_DETAILS_BACKTRACE_SYMBOL TRUE) | ||
| endif() | ||
| else() | ||
| if (STACK_DETAILS_DW) | ||
| LIST(APPEND _BACKWARD_LIBRARIES dw) | ||
| endif() | ||
|
|
||
| if (STACK_DETAILS_BFD) | ||
| LIST(APPEND _BACKWARD_LIBRARIES bfd dl) | ||
| endif() | ||
|
|
||
| if (STACK_DETAILS_DWARF) | ||
| LIST(APPEND _BACKWARD_LIBRARIES dwarf elf) | ||
| endif() | ||
| endif() | ||
|
|
||
| macro(map_definitions var_prefix define_prefix) | ||
| foreach(def ${ARGN}) | ||
| if (${${var_prefix}${def}}) | ||
| LIST(APPEND _BACKWARD_DEFINITIONS "${define_prefix}${def}=1") | ||
| else() | ||
| LIST(APPEND _BACKWARD_DEFINITIONS "${define_prefix}${def}=0") | ||
| endif() | ||
| endforeach() | ||
| endmacro() | ||
|
|
||
| if (NOT _BACKWARD_DEFINITIONS) | ||
| map_definitions("STACK_WALKING_" "BACKWARD_HAS_" UNWIND BACKTRACE) | ||
| map_definitions("STACK_DETAILS_" "BACKWARD_HAS_" BACKTRACE_SYMBOL DW BFD DWARF) | ||
| endif() | ||
|
|
||
| set(BACKWARD_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}") | ||
|
|
||
| set(BACKWARD_HAS_EXTERNAL_LIBRARIES FALSE) | ||
| set(FIND_PACKAGE_REQUIRED_VARS BACKWARD_INCLUDE_DIR) | ||
| if(DEFINED _BACKWARD_LIBRARIES) | ||
| set(BACKWARD_HAS_EXTERNAL_LIBRARIES TRUE) | ||
| list(APPEND FIND_PACKAGE_REQUIRED_VARS _BACKWARD_LIBRARIES) | ||
| endif() | ||
|
|
||
| include(FindPackageHandleStandardArgs) | ||
| find_package_handle_standard_args(Backward | ||
| REQUIRED_VARS ${FIND_PACKAGE_REQUIRED_VARS} | ||
| ) | ||
| list(APPEND _BACKWARD_INCLUDE_DIRS ${BACKWARD_INCLUDE_DIR}) | ||
|
|
||
| macro(add_backward target) | ||
| target_include_directories(${target} PRIVATE ${BACKWARD_INCLUDE_DIRS}) | ||
| set_property(TARGET ${target} APPEND PROPERTY COMPILE_DEFINITIONS ${BACKWARD_DEFINITIONS}) | ||
| set_property(TARGET ${target} APPEND PROPERTY LINK_LIBRARIES ${BACKWARD_LIBRARIES}) | ||
| endmacro() | ||
|
|
||
| set(BACKWARD_INCLUDE_DIRS ${_BACKWARD_INCLUDE_DIRS} CACHE INTERNAL "_BACKWARD_INCLUDE_DIRS") | ||
| set(BACKWARD_DEFINITIONS ${_BACKWARD_DEFINITIONS} CACHE INTERNAL "BACKWARD_DEFINITIONS") | ||
| set(BACKWARD_LIBRARIES ${_BACKWARD_LIBRARIES} CACHE INTERNAL "BACKWARD_LIBRARIES") | ||
| mark_as_advanced(BACKWARD_INCLUDE_DIRS BACKWARD_DEFINITIONS BACKWARD_LIBRARIES) | ||
|
|
||
| # Expand each definition in BACKWARD_DEFINITIONS to its own cmake var and export | ||
| # to outer scope | ||
| foreach(var ${BACKWARD_DEFINITIONS}) | ||
| string(REPLACE "=" ";" var_as_list ${var}) | ||
| list(GET var_as_list 0 var_name) | ||
| list(GET var_as_list 1 var_value) | ||
| set(${var_name} ${var_value}) | ||
| mark_as_advanced(${var_name}) | ||
| endforeach() | ||
|
|
||
| if (NOT TARGET Backward::Backward) | ||
| add_library(Backward::Backward INTERFACE IMPORTED) | ||
| set_target_properties(Backward::Backward PROPERTIES | ||
| INTERFACE_INCLUDE_DIRECTORIES "${BACKWARD_INCLUDE_DIRS}" | ||
| INTERFACE_COMPILE_DEFINITIONS "${BACKWARD_DEFINITIONS}" | ||
| ) | ||
| if(BACKWARD_HAS_EXTERNAL_LIBRARIES) | ||
| set_target_properties(Backward::Backward PROPERTIES | ||
| INTERFACE_LINK_LIBRARIES "${BACKWARD_LIBRARIES}" | ||
| ) | ||
| endif() | ||
| endif() |
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