| # Copyright 2023 The Cobalt Authors. All Rights Reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import("//starboard/build/config/os_definitions.gni") |
| |
| common_sources = [ |
| "src/AddressSpace.hpp", |
| "src/CompactUnwinder.hpp", |
| "src/DwarfInstructions.hpp", |
| "src/DwarfParser.hpp", |
| "src/EHHeaderParser.hpp", |
| "src/FrameHeaderCache.hpp", |
| "src/RWMutex.hpp", |
| "src/Registers.hpp", |
| "src/Unwind-EHABI.cpp", |
| "src/Unwind-EHABI.h", |
| "src/Unwind-seh.cpp", |
| "src/Unwind-sjlj.c", |
| "src/UnwindCursor.hpp", |
| "src/UnwindLevel1-gcc-ext.c", |
| "src/UnwindLevel1.c", |
| "src/UnwindRegistersRestore.S", |
| "src/UnwindRegistersSave.S", |
| "src/assembly.h", |
| "src/cet_unwind.h", |
| "src/config.h", |
| "src/dwarf2.h", |
| "src/libunwind.cpp", |
| "src/libunwind_ext.h", |
| ] |
| if (is_apple) { |
| common_sources += [ "src/Unwind_AppleExtras.cpp" ] |
| } |
| |
| config("common_unwind_dependents_config") { |
| include_dirs = [ "include" ] |
| defines = [ |
| # Ensure that __external_threading is used for threading support. |
| "_LIBCPP_HAS_THREAD_API_EXTERNAL", |
| "LLVM_PATH=" + |
| rebase_path("//third_party/llvm-project/llvm/", root_build_dir), |
| ] |
| } |
| |
| # TODO: this conditional is only to prevent gn check errors related to evergreen |
| # dependencies from spilling over to gn check when run for non-evergreen |
| # platforms (e.g., raspi-2_gn_devel). It can and should be removed once the gn |
| # check errors have been resolved for evergreen. |
| # TODO: b/295702296 Fix libunwind for modular builds. |
| if (sb_is_evergreen || (sb_is_modular && is_host_win)) { |
| config("unwind_config") { |
| configs = [ ":common_unwind_dependents_config" ] |
| |
| cflags = [ |
| "-nostdinc", |
| "-Wno-unused-command-line-argument", |
| ] |
| |
| cflags_cc = [ |
| "-std=c++17", |
| "-nostdinc++", |
| "-fPIC", |
| "-Werror=return-type", |
| "-fvisibility-inlines-hidden", |
| "-fms-compatibility-version=19.00", |
| "-funwind-tables", |
| "-Wall", |
| "-Wextra", |
| "-Wwrite-strings", |
| "-Wshorten-64-to-32", |
| "-Wno-error", |
| "-Wno-unused-parameter", |
| ] |
| |
| defines = [ |
| # Build libunwind with concurrency built upon Starboard mutexes and |
| # condition variables. |
| "_LIBUNWIND_HAS_STARBOARD_THREADS", |
| "LIBUNWIND_PRINT_APIS", |
| "LIBUNWIND_PRINT_DWARF", |
| "LIBUNWIND_PRINT_UNWINDING", |
| ] |
| } |
| |
| static_library("unwind") { |
| sources = common_sources |
| |
| configs += [ ":unwind_config" ] |
| all_dependent_configs = [ ":common_unwind_dependents_config" ] |
| |
| deps = [ |
| "//starboard/common", |
| "//third_party/musl:c", |
| ] |
| } |
| } |
| |
| config("unwind_starboard_config") { |
| configs = [ |
| ":common_unwind_dependents_config", |
| "//starboard/build/config:starboard_implementation", |
| ] |
| |
| cflags = [ "-Wno-unused-command-line-argument" ] |
| cflags_cc = [ |
| "-std=c++17", |
| "-fPIC", |
| "-Werror=return-type", |
| "-fvisibility-inlines-hidden", |
| "-funwind-tables", |
| "-Wall", |
| "-Wextra", |
| "-Wwrite-strings", |
| "-Wno-error", |
| "-Wno-unused-parameter", |
| ] |
| defines = [ |
| # Build libunwind with concurrency built upon Starboard mutexes and |
| # condition variables. |
| "_LIBUNWIND_HAS_STARBOARD_THREADS", |
| "NDEBUG" |
| ] |
| } |
| |
| static_library("unwind_starboard") { |
| sources = common_sources |
| |
| configs += [ ":unwind_starboard_config" ] |
| all_dependent_configs = [ ":common_unwind_dependents_config" ] |
| |
| public_deps = [ |
| "//starboard/common", |
| "//starboard/elf_loader:evergreen_info", |
| ] |
| } |