sgraenitz updated this revision to Diff 174053.
sgraenitz marked 4 inline comments as done.
sgraenitz added a comment.
debugserver cannot be ad-hoc code signed; handle entitlements&identity also in
standalone debugserver, add feasibility checks, polishing
https://reviews.llvm.org/D54476
Files:
test/CMakeLists.txt
tools/debugserver/CMakeLists.txt
tools/debugserver/source/CMakeLists.txt
unittests/tools/CMakeLists.txt
Index: unittests/tools/CMakeLists.txt
===================================================================
--- unittests/tools/CMakeLists.txt
+++ unittests/tools/CMakeLists.txt
@@ -1,5 +1,5 @@
if(CMAKE_SYSTEM_NAME MATCHES "Android|Darwin|Linux|NetBSD")
- if ((CMAKE_SYSTEM_NAME MATCHES "Darwin" AND SKIP_DEBUGSERVER) OR (NOT CMAKE_SYSTEM_NAME MATCHES "Darwin" AND SKIP_LLDB_SERVER_BUILD))
+ if ((CMAKE_SYSTEM_NAME MATCHES "Darwin" AND SKIP_TEST_DEBUGSERVER) OR (NOT CMAKE_SYSTEM_NAME MATCHES "Darwin" AND SKIP_LLDB_SERVER_BUILD))
# These tests are meant to test lldb-server/debugserver in isolation, and
# don't provide any value if run against a server copied from somewhere.
else()
Index: tools/debugserver/source/CMakeLists.txt
===================================================================
--- tools/debugserver/source/CMakeLists.txt
+++ tools/debugserver/source/CMakeLists.txt
@@ -94,32 +94,74 @@
add_library(lldbDebugserverCommon ${lldbDebugserverCommonSources})
+option(LLDB_NO_DEBUGSERVER "Delete debugserver after building it, and don't try to codesign it" OFF)
+option(LLDB_USE_SYSTEM_DEBUGSERVER "Neither build nor codesign debugserver. Use the system's debugserver instead (Darwin only)." OFF)
-set(LLDB_CODESIGN_IDENTITY "lldb_codesign"
- CACHE STRING "Identity used for code signing. Set to empty string to skip the signing step.")
-
-if(NOT LLDB_CODESIGN_IDENTITY STREQUAL "")
- set(DEBUGSERVER_PATH ${LLVM_RUNTIME_OUTPUT_INTDIR}/debugserver${CMAKE_EXECUTABLE_SUFFIX} CACHE PATH "Path to debugserver.")
- set(SKIP_DEBUGSERVER OFF CACHE BOOL "Skip building the in-tree debug server")
+# Feasibility checks
+if (APPLE)
+ if(LLDB_NO_DEBUGSERVER AND LLDB_USE_SYSTEM_DEBUGSERVER)
+ message(WARNING "Options LLDB_NO_DEBUGSERVER and LLDB_USE_SYSTEM_DEBUGSERVER"
+ "are not compatible. Will use the system's debugserver.")
+ set(LLDB_NO_DEBUGSERVER OFF CACHE BOOL "" FORCE)
+ endif()
else()
- execute_process(
- COMMAND xcode-select -p
- OUTPUT_VARIABLE XCODE_DEV_DIR)
- string(STRIP ${XCODE_DEV_DIR} XCODE_DEV_DIR)
- if(EXISTS "${XCODE_DEV_DIR}/../SharedFrameworks/LLDB.framework/")
- set(DEBUGSERVER_PATH
- "${XCODE_DEV_DIR}/../SharedFrameworks/LLDB.framework/Resources/debugserver" CACHE PATH "Path to debugserver.")
- elseif(EXISTS "${XCODE_DEV_DIR}/Library/PrivateFrameworks/LLDB.framework/")
- set(DEBUGSERVER_PATH
- "${XCODE_DEV_DIR}/Library/PrivateFrameworks/LLDB.framework/Resources/debugserver" CACHE PATH "Path to debugserver.")
- else()
- message(SEND_ERROR "Cannot find debugserver on system.")
+ if(LLDB_USE_SYSTEM_DEBUGSERVER)
+ message(WARNING "Ignoring option LLDB_USE_SYSTEM_DEBUGSERVER (Darwin only)")
+ set(LLDB_USE_SYSTEM_DEBUGSERVER OFF CACHE BOOL "" FORCE)
+ endif()
+endif()
+
+# Cannot ad-hoc code sign debugserver on Darwin.
+# See lldb/docs/code-signing.txt for details.
+if (APPLE AND NOT LLVM_CODESIGNING_IDENTITY STREQUAL "lldb_codesign")
+ set(cannot_codesign_debugserver ON)
+endif()
+
+# Remember where our debugserver lives 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")
+
+if(LLDB_NO_DEBUGSERVER)
+ # No debugserver at all.
+ set(SKIP_TEST_DEBUGSERVER ON CACHE BOOL "" FORCE)
+elseif(LLDB_USE_SYSTEM_DEBUGSERVER OR cannot_codesign_debugserver)
+ # Use system debugserver (Darwin only).
+ set(SKIP_TEST_DEBUGSERVER ON CACHE BOOL "" FORCE)
+
+ if(CMAKE_HOST_APPLE)
+ execute_process(
+ COMMAND xcode-select -p
+ OUTPUT_VARIABLE xcode_dev_dir)
+ string(STRIP ${xcode_dev_dir} xcode_dev_dir)
+
+ if(EXISTS "${xcode_dev_dir}/../SharedFrameworks/LLDB.framework/")
+ set(lldb_framework_dir "${xcode_dev_dir}/../SharedFrameworks")
+ elseif(EXISTS "${xcode_dev_dir}/Library/PrivateFrameworks/LLDB.framework/")
+ set(lldb_framework_dir "${xcode_dev_dir}/Library/PrivateFrameworks")
+ else()
+ message(SEND_ERROR "Cannot find debugserver on system.")
+ endif()
+ set(debugserver_system_path "${lldb_framework_dir}/LLDB.framework/Resources/debugserver")
+
+ # We haven't built a signed debugserver. If possible, copy the one from
+ # the system to make the built debugger functional on Darwin.
+ add_custom_target(debugserver
+ COMMAND ${CMAKE_COMMAND} -E copy_if_different ${debugserver_system_path} ${LLVM_TOOLS_BINARY_DIR}
+ VERBATIM
+ COMMENT "Copying the system debugserver to LLDB's binaries directory.")
+
+ # TODO: Why can't we use $<TARGET_FILE:debugserver> here?
+ set(DEBUGSERVER_PATH ${LLVM_TOOLS_BINARY_DIR}/debugserver${CMAKE_EXECUTABLE_SUFFIX} CACHE FILEPATH "" FORCE)
endif()
- set(SKIP_DEBUGSERVER ON CACHE BOOL "Skip building the in-tree debug server")
+else()
+ # Regular case: Build debugserver from source and code sign.
+ # TODO: Why can't we use $<TARGET_FILE:debugserver> here?
+ set(DEBUGSERVER_PATH ${LLVM_TOOLS_BINARY_DIR}/debugserver${CMAKE_EXECUTABLE_SUFFIX} CACHE FILEPATH "" FORCE)
+ set(build_and_sign_debugserver ON)
endif()
message(STATUS "Path to the lldb debugserver: ${DEBUGSERVER_PATH}")
-if (APPLE)
+if(APPLE)
if(IOS)
find_library(BACKBOARD_LIBRARY BackBoardServices
PATHS ${CMAKE_OSX_SYSROOT}/System/Library/PrivateFrameworks)
@@ -132,7 +174,7 @@
find_library(LOCKDOWN_LIBRARY lockdown)
if(NOT BACKBOARD_LIBRARY)
- set(SKIP_DEBUGSERVER ON CACHE BOOL "Skip building the in-tree debug server" FORCE)
+ set(SKIP_TEST_DEBUGSERVER ON CACHE BOOL "" FORCE)
endif()
else()
find_library(COCOA_LIBRARY Cocoa)
@@ -143,7 +185,16 @@
set(LIBCOMPRESSION compression)
endif()
-if(NOT SKIP_DEBUGSERVER)
+if(LLDB_USE_ENTITLEMENTS)
+ if(IOS)
+ set(entitlements ${CMAKE_CURRENT_SOURCE_DIR}/debugserver-entitlements.plist)
+ else()
+ # Same entitlements file as used for lldb-server
+ set(entitlements ${LLDB_SOURCE_DIR}/resources/debugserver-macosx-entitlements.plist)
+ endif()
+endif()
+
+if(build_and_sign_debugserver)
target_link_libraries(lldbDebugserverCommon
INTERFACE ${COCOA_LIBRARY}
${CORE_FOUNDATION_LIBRARY}
@@ -166,6 +217,9 @@
LINK_LIBS
lldbDebugserverCommon
+
+ ENTITLEMENTS
+ ${entitlements}
)
if(IOS)
set_property(TARGET lldbDebugserverCommon APPEND PROPERTY COMPILE_DEFINITIONS
@@ -203,54 +257,8 @@
LINK_LIBS
lldbDebugserverCommon_NonUI
- )
-endif()
-
-set(entitlements_xml ${CMAKE_CURRENT_SOURCE_DIR}/debugserver-macosx-entitlements.plist)
-if(IOS)
- set(entitlements_xml ${CMAKE_CURRENT_SOURCE_DIR}/debugserver-entitlements.plist)
-else()
- set(entitlements_xml ${CMAKE_CURRENT_SOURCE_DIR}/../../../resources/debugserver-macosx-entitlements.plist)
-endif()
-
-set(LLDB_USE_ENTITLEMENTS_Default On)
-option(LLDB_USE_ENTITLEMENTS "Use entitlements when codesigning (Defaults Off when using lldb_codesign identity, otherwise On)" ${LLDB_USE_ENTITLEMENTS_Default})
-if (SKIP_DEBUGSERVER)
- if (CMAKE_HOST_APPLE)
- # If we haven't built a signed debugserver, copy the one from the system.
- add_custom_target(debugserver
- COMMAND ${CMAKE_COMMAND} -E copy_if_different ${DEBUGSERVER_PATH} ${CMAKE_BINARY_DIR}/bin
- VERBATIM
- COMMENT "Copying the system debugserver to LLDB's binaries directory.")
- endif()
-else()
- if(LLDB_USE_ENTITLEMENTS)
- set(entitlements_flags --entitlements ${entitlements_xml})
- endif()
- execute_process(
- COMMAND xcrun -f codesign_allocate
- OUTPUT_STRIP_TRAILING_WHITESPACE
- OUTPUT_VARIABLE CODESIGN_ALLOCATE
- )
- add_custom_command(TARGET debugserver
- POST_BUILD
- COMMAND ${CMAKE_COMMAND} -E env CODESIGN_ALLOCATE=${CODESIGN_ALLOCATE}
- codesign --force --sign ${LLDB_CODESIGN_IDENTITY}
- ${entitlements_flags}
- $<TARGET_FILE:debugserver>
- )
- if(IOS)
- add_custom_command(TARGET debugserver-nonui
- POST_BUILD
- COMMAND ${CMAKE_COMMAND} -E env CODESIGN_ALLOCATE=${CODESIGN_ALLOCATE}
- codesign --force --sign ${LLDB_CODESIGN_IDENTITY}
- ${entitlements_flags}
- $<TARGET_FILE:debugserver>
+ ENTITLEMENTS
+ ${entitlements}
)
- endif()
endif()
-
-
-
-
Index: tools/debugserver/CMakeLists.txt
===================================================================
--- tools/debugserver/CMakeLists.txt
+++ tools/debugserver/CMakeLists.txt
@@ -8,12 +8,18 @@
"${CMAKE_SOURCE_DIR}/../../cmake"
"${CMAKE_SOURCE_DIR}/../../cmake/modules"
)
-
+
include(LLDBStandalone)
include(AddLLDB)
set(LLDB_SOURCE_DIR "${CMAKE_SOURCE_DIR}/../../")
include_directories(${LLDB_SOURCE_DIR}/include)
+
+ option(LLDB_USE_ENTITLEMENTS "When codesigning, use entitlements if available" ON)
+ if(LLDB_CODESIGN_IDENTITY)
+ # In the future we may use LLVM_CODESIGNING_IDENTITY directly.
+ set(LLVM_CODESIGNING_IDENTITY ${LLDB_CODESIGN_IDENTITY})
+ endif()
endif()
add_subdirectory(source)
Index: test/CMakeLists.txt
===================================================================
--- test/CMakeLists.txt
+++ test/CMakeLists.txt
@@ -87,11 +87,11 @@
--env ARCHIVER=${CMAKE_AR} --env OBJCOPY=${CMAKE_OBJCOPY})
endif()
-if(CMAKE_HOST_APPLE)
+if(CMAKE_HOST_APPLE AND DEBUGSERVER_PATH)
list(APPEND LLDB_TEST_COMMON_ARGS --server ${DEBUGSERVER_PATH})
endif()
-if(SKIP_DEBUGSERVER)
+if(SKIP_TEST_DEBUGSERVER)
list(APPEND LLDB_TEST_COMMON_ARGS --out-of-tree-debugserver)
endif()
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