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sandboxed-api/cmake/libunwind/Download.cmake
Anton D. Kachalov d0c8224e61 Add support for ARM32 (hard float target) 
This change enables support for 32-bit ARM, as used by embedded controllers and older phones.
Note: This does not support 32-bit sandboxees on AArch64. Both sandboxee and host code must have the same bitness.
PiperOrigin-RevId: 347835193
Change-Id: I6395882677530f9862f118d2dc10230a61049836
2020-12-16 09:18:25 -08:00

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CMake
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# Copyright 2019 Google LLC
#
# 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.
# Downloads and unpacks libunwind at configure time
set(workdir "${CMAKE_BINARY_DIR}/libunwind-download")
configure_file("${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt.in"
"${workdir}/CMakeLists.txt")
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE error
WORKING_DIRECTORY "${workdir}")
if(error)
message(FATAL_ERROR "CMake step for ${PROJECT_NAME} failed: ${error}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE error
WORKING_DIRECTORY "${workdir}")
if(error)
message(FATAL_ERROR "Build step for ${PROJECT_NAME} failed: ${error}")
endif()
set(_unwind_src "${CMAKE_BINARY_DIR}/libunwind-src")
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
set(_unwind_cpu "x86_64")
list(APPEND _unwind_platform_srcs
${_unwind_src}/src/x86_64/Gcreate_addr_space.c
${_unwind_src}/src/x86_64/Gglobal.c
${_unwind_src}/src/x86_64/Ginit.c
${_unwind_src}/src/x86_64/Gos-linux.c
${_unwind_src}/src/x86_64/Gregs.c
${_unwind_src}/src/x86_64/Gresume.c
${_unwind_src}/src/x86_64/Gstash_frame.c
${_unwind_src}/src/x86_64/Gstep.c
${_unwind_src}/src/x86_64/is_fpreg.c
${_unwind_src}/src/x86_64/setcontext.S
)
list(APPEND _unwind_ptrace_srcs
${_unwind_src}/src/x86_64/Ginit_remote.c
)
elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "ppc64")
set(_unwind_cpu "ppc64")
list(APPEND _unwind_platform_srcs
${_unwind_src}/src/ppc/Gis_signal_frame.c
${_unwind_src}/src/ppc64/Gcreate_addr_space.c
${_unwind_src}/src/ppc64/Gglobal.c
${_unwind_src}/src/ppc64/Ginit.c
${_unwind_src}/src/ppc64/Gregs.c
${_unwind_src}/src/ppc64/Gresume.c
${_unwind_src}/src/ppc64/Gstep.c
${_unwind_src}/src/ppc64/get_func_addr.c
${_unwind_src}/src/ppc64/is_fpreg.c
)
list(APPEND _unwind_ptrace_srcs
${_unwind_src}/src/ppc/Ginit_remote.c
)
elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
set(_unwind_cpu "aarch64")
list(APPEND _unwind_platform_srcs
${_unwind_src}/src/aarch64/Gcreate_addr_space.c
${_unwind_src}/src/aarch64/Gglobal.c
${_unwind_src}/src/aarch64/Ginit.c
${_unwind_src}/src/aarch64/Gis_signal_frame.c
${_unwind_src}/src/aarch64/Gregs.c
${_unwind_src}/src/aarch64/Gresume.c
${_unwind_src}/src/aarch64/Gstash_frame.c
${_unwind_src}/src/aarch64/Gstep.c
${_unwind_src}/src/aarch64/is_fpreg.c
)
list(APPEND _unwind_ptrace_srcs
${_unwind_src}/src/aarch64/Ginit_remote.c
)
elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "arm")
set(_unwind_cpu "arm")
list(APPEND _unwind_platform_srcs
${_unwind_src}/src/arm/Gcreate_addr_space.c
${_unwind_src}/src/arm/Gex_tables.c
${_unwind_src}/src/arm/Gglobal.c
${_unwind_src}/src/arm/Ginit.c
${_unwind_src}/src/arm/Gis_signal_frame.c
${_unwind_src}/src/arm/Gregs.c
${_unwind_src}/src/arm/Gresume.c
${_unwind_src}/src/arm/Gstash_frame.c
${_unwind_src}/src/arm/Gstep.c
${_unwind_src}/src/arm/is_fpreg.c
)
list(APPEND _unwind_ptrace_srcs
${_unwind_src}/src/arm/Ginit_remote.c
)
endif()
add_library(unwind_ptrace_wrapped STATIC
# internal_headers
${_unwind_src}/include/compiler.h
${_unwind_src}/include/config.h
${_unwind_src}/include/dwarf.h
${_unwind_src}/include/dwarf-eh.h
${_unwind_src}/include/dwarf_i.h
${_unwind_src}/include/libunwind.h
${_unwind_src}/include/libunwind-common.h
${_unwind_src}/include/libunwind-coredump.h
${_unwind_src}/include/libunwind-dynamic.h
${_unwind_src}/include/libunwind-ptrace.h
${_unwind_src}/include/libunwind-x86_64.h
${_unwind_src}/include/libunwind_i.h
${_unwind_src}/include/mempool.h
${_unwind_src}/include/remote.h
${_unwind_src}/include/tdep-x86_64/dwarf-config.h
${_unwind_src}/include/tdep-x86_64/libunwind_i.h
${_unwind_src}/include/tdep/dwarf-config.h
${_unwind_src}/include/tdep/libunwind_i.h
${_unwind_src}/include/unwind.h
${_unwind_src}/src/elf32.h
${_unwind_src}/src/elf64.h
${_unwind_src}/src/elfxx.h
${_unwind_src}/src/os-linux.h
${_unwind_src}/src/x86_64/init.h
${_unwind_src}/src/x86_64/offsets.h
${_unwind_src}/src/x86_64/ucontext_i.h
${_unwind_src}/src/x86_64/unwind_i.h
# included_sources
${_unwind_src}/src/elf64.h
${_unwind_src}/src/elfxx.h
${_unwind_src}/src/elfxx.c
# sources_common
${_unwind_src}/src/dwarf/Gexpr.c
${_unwind_src}/src/dwarf/Gfde.c
${_unwind_src}/src/dwarf/Gfind_proc_info-lsb.c
${_unwind_src}/src/dwarf/Gfind_unwind_table.c
${_unwind_src}/src/dwarf/Gparser.c
${_unwind_src}/src/dwarf/Gpe.c
${_unwind_src}/src/dwarf/Gstep.c
${_unwind_src}/src/dwarf/global.c
${_unwind_src}/src/mi/Gdestroy_addr_space.c
${_unwind_src}/src/mi/Gdyn-extract.c
${_unwind_src}/src/mi/Gfind_dynamic_proc_info.c
${_unwind_src}/src/mi/Gget_accessors.c
${_unwind_src}/src/mi/Gget_proc_name.c
${_unwind_src}/src/mi/Gget_reg.c
${_unwind_src}/src/mi/Gput_dynamic_unwind_info.c
${_unwind_src}/src/mi/flush_cache.c
${_unwind_src}/src/mi/init.c
${_unwind_src}/src/mi/mempool.c
${_unwind_src}/src/os-linux.c
${_unwind_platform_srcs}
# srcs
${_unwind_src}/src/mi/Gdyn-remote.c
${_unwind_src}/src/ptrace/_UPT_access_fpreg.c
${_unwind_src}/src/ptrace/_UPT_access_mem.c
${_unwind_src}/src/ptrace/_UPT_access_reg.c
${_unwind_src}/src/ptrace/_UPT_accessors.c
${_unwind_src}/src/ptrace/_UPT_create.c
${_unwind_src}/src/ptrace/_UPT_destroy.c
${_unwind_src}/src/ptrace/_UPT_elf.c
${_unwind_src}/src/ptrace/_UPT_find_proc_info.c
${_unwind_src}/src/ptrace/_UPT_get_dyn_info_list_addr.c
${_unwind_src}/src/ptrace/_UPT_get_proc_name.c
${_unwind_src}/src/ptrace/_UPT_internal.h
${_unwind_src}/src/ptrace/_UPT_put_unwind_info.c
${_unwind_src}/src/ptrace/_UPT_reg_offset.c
${_unwind_src}/src/ptrace/_UPT_resume.c
# hdrs
${_unwind_src}/include/config.h
${_unwind_src}/include/libunwind.h
# source_ptrace
${_unwind_ptrace_srcs}
)
add_library(unwind::unwind_ptrace_wrapped ALIAS unwind_ptrace_wrapped)
target_include_directories(unwind_ptrace_wrapped PUBLIC
${_unwind_src}/include
${_unwind_src}/include/tdep
${_unwind_src}/include/tdep-${_unwind_cpu}
${_unwind_src}/src
)
target_compile_options(unwind_ptrace_wrapped PRIVATE
-fno-common
-Wno-cpp
)
target_compile_definitions(unwind_ptrace_wrapped
PRIVATE -DHAVE_CONFIG_H
-D_GNU_SOURCE
-DNO_FRAME_POINTER
PUBLIC -D_UPT_accessors=_UPT_accessors_wrapped
-D_UPT_create=_UPT_create_wrapped
-D_UPT_destroy=_UPT_destroy_wrapped
-D_U${_unwind_cpu}_create_addr_space=_U${_unwind_cpu}_create_addr_space_wrapped
-D_U${_unwind_cpu}_destroy_addr_space=_U${_unwind_cpu}_destroy_addr_space_wrapped
-D_U${_unwind_cpu}_get_proc_name=_U${_unwind_cpu}_get_proc_name_wrapped
-D_U${_unwind_cpu}_get_reg=_U${_unwind_cpu}_get_reg_wrapped
-D_U${_unwind_cpu}_init_remote=_U${_unwind_cpu}_init_remote_wrapped
-D_U${_unwind_cpu}_step=_U${_unwind_cpu}_step_wrapped
-Dptrace=ptrace_wrapped
)
target_link_libraries(unwind_ptrace_wrapped PRIVATE
sapi::base
sandbox2::ptrace_hook
)
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