diff options
Diffstat (limited to 'lldb/tools/debugserver/source/CMakeLists.txt')
| -rw-r--r-- | lldb/tools/debugserver/source/CMakeLists.txt | 185 |
1 files changed, 61 insertions, 124 deletions
diff --git a/lldb/tools/debugserver/source/CMakeLists.txt b/lldb/tools/debugserver/source/CMakeLists.txt index cf305c9d268..303fd28caf6 100644 --- a/lldb/tools/debugserver/source/CMakeLists.txt +++ b/lldb/tools/debugserver/source/CMakeLists.txt @@ -6,6 +6,58 @@ include_directories(MacOSX/DarwinLog) include_directories(MacOSX) +function(check_certificate identity result_valid) + execute_process( + COMMAND security find-certificate -Z -p -c ${identity} /Library/Keychains/System.keychain + RESULT_VARIABLE exit_code OUTPUT_QUIET ERROR_QUIET) + if(exit_code) + set(${result_valid} FALSE PARENT_SCOPE) + else() + set(${result_valid} TRUE PARENT_SCOPE) + endif() +endfunction() + +function(get_debugserver_codesign_identity result) + string(CONCAT not_found_help + "This will cause failures in the test suite." + "Pass '-DLLDB_USE_SYSTEM_DEBUGSERVER=ON' to use the system one instead." + "See 'Code Signing on macOS' in the documentation." + ) + + # Explicit override: warn if unavailable + if(LLDB_CODESIGN_IDENTITY) + set(${result} ${LLDB_CODESIGN_IDENTITY} PARENT_SCOPE) + check_certificate(${LLDB_CODESIGN_IDENTITY} available) + if(NOT available AND NOT LLDB_USE_SYSTEM_DEBUGSERVER) + message(WARNING "LLDB_CODESIGN_IDENTITY not found: '${LLDB_CODESIGN_IDENTITY}' ${not_found_help}") + endif() + return() + endif() + + # Development signing identity: use if available + check_certificate(lldb_codesign available) + if(available) + set(${result} lldb_codesign PARENT_SCOPE) + return() + endif() + + if(NOT LLDB_USE_SYSTEM_DEBUGSERVER) + message(WARNING "Development code sign identiy not found: 'lldb_codesign' ${not_found_help}") + endif() + + # LLVM pendant: fallback if available + if(LLVM_CODESIGNING_IDENTITY) + check_certificate(${LLVM_CODESIGNING_IDENTITY} available) + if(available) + set(${result} ${LLVM_CODESIGNING_IDENTITY} PARENT_SCOPE) + return() + endif() + endif() + + # Ad-hoc signing: last resort + set(${result} "-" PARENT_SCOPE) +endfunction() + set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -Wl,-sectcreate,__TEXT,__info_plist,${CMAKE_CURRENT_SOURCE_DIR}/../resources/lldb-debugserver-Info.plist") check_cxx_compiler_flag("-Wno-gnu-zero-variadic-macro-arguments" @@ -30,132 +82,17 @@ check_library_exists(compression compression_encode_buffer "" HAVE_LIBCOMPRESSIO add_subdirectory(MacOSX) -# LLDB-specific identity, currently used for code signing debugserver. set(LLDB_CODESIGN_IDENTITY "" CACHE STRING - "Override code sign identity for debugserver and for use in tests; falls back to LLVM_CODESIGNING_IDENTITY if set or lldb_codesign otherwise (Darwin only)") - -# Determine which identity to use and store it in the separate cache entry. -# We will query it later for LLDB_TEST_COMMON_ARGS. -if(LLDB_CODESIGN_IDENTITY) - set(LLDB_CODESIGN_IDENTITY_USED ${LLDB_CODESIGN_IDENTITY} CACHE INTERNAL "" FORCE) -elseif(LLVM_CODESIGNING_IDENTITY) - set(LLDB_CODESIGN_IDENTITY_USED ${LLVM_CODESIGNING_IDENTITY} CACHE INTERNAL "" FORCE) -else() - set(LLDB_CODESIGN_IDENTITY_USED lldb_codesign CACHE INTERNAL "" FORCE) -endif() + "Identity override for debugserver; see 'Code Signing on macOS' in the documentation (Darwin only)") -# Override locally, so the identity is used for targets created in this scope. -set(LLVM_CODESIGNING_IDENTITY ${LLDB_CODESIGN_IDENTITY_USED}) - -option(LLDB_NO_DEBUGSERVER "Disable the debugserver target" OFF) -option(LLDB_USE_SYSTEM_DEBUGSERVER "Use the system's debugserver instead of building it from source (Darwin only)." OFF) +get_debugserver_codesign_identity(debugserver_codesign_identity) -# Incompatible options -if(LLDB_NO_DEBUGSERVER AND LLDB_USE_SYSTEM_DEBUGSERVER) - message(FATAL_ERROR "Inconsistent options: LLDB_NO_DEBUGSERVER and LLDB_USE_SYSTEM_DEBUGSERVER") -endif() - -# Try to locate the system debugserver. -# Subsequent feasibility checks depend on it. -if(APPLE AND CMAKE_HOST_APPLE) - execute_process( - COMMAND xcode-select -p - OUTPUT_VARIABLE xcode_dev_dir) - string(STRIP ${xcode_dev_dir} xcode_dev_dir) - - set(debugserver_rel_path "LLDB.framework/Resources/debugserver") - set(debugserver_shared "${xcode_dev_dir}/../SharedFrameworks/${debugserver_rel_path}") - set(debugserver_private "${xcode_dev_dir}/Library/PrivateFrameworks/${debugserver_rel_path}") - - if(EXISTS ${debugserver_shared}) - set(system_debugserver ${debugserver_shared}) - elseif(EXISTS ${debugserver_private}) - set(system_debugserver ${debugserver_private}) - endif() -endif() - -# Handle unavailability -if(LLDB_USE_SYSTEM_DEBUGSERVER) - if(system_debugserver) - set(use_system_debugserver ON) - elseif(APPLE AND CMAKE_HOST_APPLE) - # Binary not found on system. Keep cached variable, to try again on reconfigure. - message(SEND_ERROR - "LLDB_USE_SYSTEM_DEBUGSERVER option set, but no debugserver found in:\ - ${debugserver_shared}\ - ${debugserver_private}") - else() - # Non-Apple target platform or non-Darwin host. Reset invalid cached variable. - message(WARNING "Reverting invalid option LLDB_USE_SYSTEM_DEBUGSERVER (Darwin only)") - set(LLDB_USE_SYSTEM_DEBUGSERVER OFF CACHE BOOL "" FORCE) - endif() -elseif(NOT LLDB_NO_DEBUGSERVER) - # Default case: on Darwin we need the right code signing ID. - # See lldb/docs/code-signing.txt for details. - if(CMAKE_HOST_APPLE AND NOT LLVM_CODESIGNING_IDENTITY STREQUAL "lldb_codesign") - message(WARNING "Codesigning debugserver with identity ${LLVM_CODESIGNING_IDENTITY}. " - "The usual setup uses the \"lldb_codesign\" identity created with " - "scripts/macos-setup-codesign.sh. As a result your debugserver might " - "not be able to attach to processes.\n" - "Pass -DLLDB_CODESIGN_IDENTITY=lldb_codesign to use the development " - "signing identity.") - endif() - set(build_and_sign_debugserver ON) -endif() - -# TODO: We don't use the $<TARGET_FILE:debugserver> generator expression here, -# because the value of DEBUGSERVER_PATH is used to build LLDB_DOTEST_ARGS, -# which is used for configuring lldb-dotest.in, which does not have a generator -# step at the moment. -set(default_debugserver_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/debugserver${CMAKE_EXECUTABLE_SUFFIX}") - -# Remember where debugserver binary goes and whether or not we have to test it. -set(DEBUGSERVER_PATH "" CACHE FILEPATH "Path to debugserver") -set(SKIP_TEST_DEBUGSERVER OFF CACHE BOOL "Building the in-tree debugserver was skipped") - -# Reset values in all cases in order to correctly support reconfigurations. -if(use_system_debugserver) - add_custom_target(debugserver - COMMAND ${CMAKE_COMMAND} -E copy_if_different - ${system_debugserver} ${LLVM_RUNTIME_OUTPUT_INTDIR} - COMMENT "Copying the system debugserver to LLDB's binaries directory.") - - set_target_properties(debugserver PROPERTIES FOLDER "lldb libraries/debugserver") - - # Don't test debugserver itself. - # Tests that require debugserver will use the copy. - set(DEBUGSERVER_PATH ${default_debugserver_path} CACHE FILEPATH "" FORCE) - set(SKIP_TEST_DEBUGSERVER ON CACHE BOOL "" FORCE) - - message(STATUS "Copy system debugserver from: ${system_debugserver}") -elseif(build_and_sign_debugserver) - # Build, sign and test debugserver (below) - set(DEBUGSERVER_PATH ${default_debugserver_path} CACHE FILEPATH "" FORCE) - set(SKIP_TEST_DEBUGSERVER OFF CACHE BOOL "" FORCE) - - message(STATUS "lldb debugserver: ${DEBUGSERVER_PATH}") -else() - # No tests for debugserver, no tests that require it. - set(DEBUGSERVER_PATH "" CACHE FILEPATH "" FORCE) - set(SKIP_TEST_DEBUGSERVER ON CACHE BOOL "" FORCE) - - message(STATUS "lldb debugserver will not be available.") -endif() +# Override locally, so the identity is used for targets created in this scope. +set(LLVM_CODESIGNING_IDENTITY ${debugserver_codesign_identity}) -# On MacOS, debugserver needs to be codesigned when built. Check if we have -# a certificate instead of failing in the middle of the build. -if(build_and_sign_debugserver) - execute_process( - COMMAND security find-certificate -Z -p -c ${LLDB_CODESIGN_IDENTITY_USED} /Library/Keychains/System.keychain - RESULT_VARIABLE cert_return - OUTPUT_QUIET - ERROR_QUIET) - - if (cert_return) - message(FATAL_ERROR "Certificate for debugserver not found. Run scripts/macos-setup-codesign.sh or " - "use the system debugserver passing -DLLDB_USE_SYSTEM_DEBUGSERVER=ON to CMake") - endif() -endif() +# Use the same identity later in the test suite. +set_property(GLOBAL PROPERTY + LLDB_DEBUGSERVER_CODESIGN_IDENTITY ${debugserver_codesign_identity}) if(APPLE) if(IOS) @@ -190,7 +127,7 @@ if(LLDB_USE_ENTITLEMENTS) endif() endif() -if(build_and_sign_debugserver) +#if(build_and_sign_debugserver) set(generated_mach_interfaces ${CMAKE_CURRENT_BINARY_DIR}/mach_exc.h ${CMAKE_CURRENT_BINARY_DIR}/mach_excServer.c @@ -318,4 +255,4 @@ if(build_and_sign_debugserver) ${entitlements} ) endif() -endif() +#endif() |
