3f66057544
Extract linker executable specific code to linker_main.cpp; this part of code does not have a place in libdl.a/so. Bug: http://b/14998480 Bug: http://b/30706810 Test: mm && run bionic-unit-tests Change-Id: I90f7475e93a919b0f9525da22928089ad35b8f6c
149 lines
3.5 KiB
Text
149 lines
3.5 KiB
Text
cc_library_static {
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name: "liblinker_malloc",
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clang: true,
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srcs: [
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"linker_allocator.cpp",
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"linker_memory.cpp",
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],
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// We need to access Bionic private headers in the linker.
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include_dirs: ["bionic/libc"],
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}
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cc_binary {
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clang: true,
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srcs: [
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"dlfcn.cpp",
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"linker.cpp",
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"linker_block_allocator.cpp",
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"linker_dlwarning.cpp",
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"linker_gdb_support.cpp",
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"linker_globals.cpp",
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"linker_libc_support.c",
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"linker_main.cpp",
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"linker_namespaces.cpp",
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"linker_logger.cpp",
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"linker_mapped_file_fragment.cpp",
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"linker_phdr.cpp",
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"linker_sdk_versions.cpp",
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"linker_soinfo.cpp",
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"linker_utils.cpp",
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"rt.cpp",
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],
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arch: {
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arm: {
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srcs: ["arch/arm/begin.S"],
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cflags: ["-D__work_around_b_24465209__"],
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},
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arm64: {
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srcs: ["arch/arm64/begin.S"],
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},
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x86: {
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srcs: ["arch/x86/begin.c"],
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cflags: ["-D__work_around_b_24465209__"],
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},
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x86_64: {
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srcs: ["arch/x86_64/begin.S"],
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},
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mips: {
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srcs: [
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"arch/mips/begin.S",
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"linker_mips.cpp",
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],
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},
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mips64: {
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srcs: [
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"arch/mips64/begin.S",
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"linker_mips.cpp",
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],
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},
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},
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// We need to access Bionic private headers in the linker.
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include_dirs: ["bionic/libc"],
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// -shared is used to overwrite the -Bstatic and -static
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// flags triggered by LOCAL_FORCE_STATIC_EXECUTABLE.
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// This dynamic linker is actually a shared object linked with static libraries.
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ldflags: [
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"-shared",
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"-Wl,-Bsymbolic",
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"-Wl,--exclude-libs,ALL",
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],
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cflags: [
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"-fno-stack-protector",
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"-Wstrict-overflow=5",
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"-fvisibility=hidden",
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"-Wall",
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"-Wextra",
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"-Wunused",
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"-Werror",
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],
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// TODO: split out the asflags.
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asflags: [
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"-fno-stack-protector",
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"-Wstrict-overflow=5",
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"-fvisibility=hidden",
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"-Wall",
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"-Wextra",
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"-Wunused",
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"-Werror",
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],
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conlyflags: ["-std=gnu99"],
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cppflags: ["-Wold-style-cast"],
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// we don't want crtbegin.o (because we have begin.o), so unset it
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// just for this module
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nocrt: true,
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static_libs: [
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"libc_nomalloc",
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"libziparchive",
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"libutils",
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"libbase",
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"libz",
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"liblog",
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"libdebuggerd_client",
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// Important: The liblinker_malloc should be the last library in the list
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// to overwrite any other malloc implementations by other static libraries.
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"liblinker_malloc"
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],
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static_executable: true,
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name: "linker",
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multilib: {
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lib32: {
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symlinks: ["linker_asan"],
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},
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lib64: {
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suffix: "64",
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symlinks: ["linker_asan64"],
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},
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},
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target: {
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android64: {
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cflags: ["-DTARGET_IS_64_BIT"],
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},
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},
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compile_multilib: "both",
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// Leave the symbols in the shared library so that stack unwinders can produce
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// meaningful name resolution.
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strip: {
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keep_symbols: true,
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},
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// Insert an extra objcopy step to add prefix to symbols. This is needed to prevent gdb
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// looking up symbols in the linker by mistake.
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prefix_symbols: "__dl_",
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}
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