Merge "Add support for manually modified kernel headers."
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..b44c296
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1 @@
+subdirs = ["*"]
diff --git a/libc/Android.bp b/libc/Android.bp
new file mode 100644
index 0000000..507f6e4
--- /dev/null
+++ b/libc/Android.bp
@@ -0,0 +1,2307 @@
+bionic_coverage = false
+
+// Define the common source files for all the libc instances
+// =========================================================
+libc_common_src_files = [
+ "bionic/bindresvport.c",
+ "bionic/ether_aton.c",
+ "bionic/ether_ntoa.c",
+ "bionic/fts.c",
+ "bionic/getpriority.c",
+ "bionic/if_indextoname.c",
+ "bionic/if_nametoindex.c",
+ "bionic/initgroups.c",
+ "bionic/ioctl.c",
+ "bionic/isatty.c",
+ "bionic/memmem.c",
+ "bionic/pututline.c",
+ "bionic/sched_cpualloc.c",
+ "bionic/sched_cpucount.c",
+ "bionic/sigblock.c",
+ "bionic/siginterrupt.c",
+ "bionic/sigsetmask.c",
+ "bionic/system_properties_compat.c",
+ "stdio/findfp.c",
+ "stdio/fread.c",
+ "stdio/snprintf.c",
+ "stdio/sprintf.c",
+ "stdio/stdio.c",
+ "stdio/stdio_ext.cpp",
+ "stdlib/atexit.c",
+ "stdlib/exit.c",
+
+ // Fortify implementations of libc functions.
+ "bionic/__FD_chk.cpp",
+ "bionic/__fgets_chk.cpp",
+ "bionic/__fread_chk.cpp",
+ "bionic/__fwrite_chk.cpp",
+ "bionic/__getcwd_chk.cpp",
+ "bionic/__memchr_chk.cpp",
+ "bionic/__memmove_chk.cpp",
+ "bionic/__memrchr_chk.cpp",
+ "bionic/__poll_chk.cpp",
+ "bionic/__pread64_chk.cpp",
+ "bionic/__pread_chk.cpp",
+ "bionic/__pwrite64_chk.cpp",
+ "bionic/__pwrite_chk.cpp",
+ "bionic/__read_chk.cpp",
+ "bionic/__readlink_chk.cpp",
+ "bionic/__readlinkat_chk.cpp",
+ "bionic/__recvfrom_chk.cpp",
+ "bionic/__stpcpy_chk.cpp",
+ "bionic/__stpncpy_chk.cpp",
+ "bionic/__strchr_chk.cpp",
+ "bionic/__strlcat_chk.cpp",
+ "bionic/__strlcpy_chk.cpp",
+ "bionic/__strlen_chk.cpp",
+ "bionic/__strncat_chk.cpp",
+ "bionic/__strncpy_chk.cpp",
+ "bionic/__strrchr_chk.cpp",
+ "bionic/__umask_chk.cpp",
+ "bionic/__vsnprintf_chk.cpp",
+ "bionic/__vsprintf_chk.cpp",
+ "bionic/__write_chk.cpp",
+]
+
+// Various kinds of cruft.
+// ========================================================
+libc_common_src_files += [
+ "bionic/ndk_cruft.cpp",
+]
+
+libc_common_src_files_32 = [
+ "bionic/legacy_32_bit_support.cpp",
+ "bionic/time64.c",
+]
+
+// Define some common cflags
+// ========================================================
+libc_common_cflags = [
+ "-D_LIBC=1",
+ "-Wall",
+ "-Wextra",
+ "-Wunused",
+
+// Try to catch typical 32-bit assumptions that break with 64-bit pointers.
+ "-Werror=pointer-to-int-cast",
+ "-Werror=int-to-pointer-cast",
+ "-Werror=type-limits",
+ "-Werror",
+]
+
+libc_common_product_variables = {
+ device_uses_jemalloc: {
+ cflags: ["-DUSE_JEMALLOC"],
+ include_dirs: ["external/jemalloc/include"],
+ },
+ device_uses_dlmalloc: {
+ cflags: ["-DUSE_DLMALLOC"],
+ },
+ // To customize dlmalloc's alignment, set BOARD_MALLOC_ALIGNMENT in
+ // the appropriate BoardConfig.mk file.
+ dlmalloc_alignment: {
+ cflags: ["-DMALLOC_ALIGNMENT=%d"],
+ },
+}
+
+// Clang/llvm has incompatible long double (fp128) for x86_64.
+// https://llvm.org/bugs/show_bug.cgi?id=23897
+use_clang_x86_64 = false
+
+// ANDROIDMK TRANSLATION ERROR: unsupported directive
+// ifeq ($(strip $(DEBUG_BIONIC_LIBC)),true)
+//libc_common_cflags += ["-DDEBUG"]
+// ANDROIDMK TRANSLATION ERROR: unsupported directive
+// endif
+
+//
+// Define some common conlyflags
+libc_common_conlyflags = ["-std=gnu99"]
+
+// Define some common cppflags
+libc_common_cppflags = []
+
+// ========================================================
+// libc_stack_protector.a - stack protector code
+// ========================================================
+//
+// The stack protector code needs to be compiled
+// with -fno-stack-protector, since it modifies the
+// stack canary.
+
+cc_library_static {
+
+ srcs: ["bionic/__stack_chk_fail.cpp"],
+ cflags: libc_common_cflags + ["-fno-stack-protector"],
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ name: "libc_stack_protector",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+
+}
+
+// ========================================================
+// libc_tzcode.a - upstream 'tzcode' code
+// ========================================================
+
+cc_library_static {
+
+ srcs: [
+ "tzcode/asctime.c",
+ "tzcode/difftime.c",
+ "tzcode/localtime.c",
+ "tzcode/strftime.c",
+ "tzcode/strptime.c",
+ "upstream-openbsd/lib/libc/time/wcsftime.c", // tzcode doesn't include wcsftime, so we use the OpenBSD one.
+ ],
+
+ cflags: libc_common_cflags + [
+ "-fvisibility=hidden",
+ // Don't use ridiculous amounts of stack.
+ "-DALL_STATE",
+ // Include tzsetwall, timelocal, timegm, time2posix, and posix2time.
+ "-DSTD_INSPIRED",
+ // The name of the tm_gmtoff field in our struct tm.
+ "-DTM_GMTOFF=tm_gmtoff",
+ // Where we store our tzdata.
+ "-DTZDIR=\\\"/system/usr/share/zoneinfo\\\"",
+ // Include timezone and daylight globals.
+ "-DUSG_COMPAT=1",
+ "-DNO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU",
+ "-Dlint",
+ ],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ local_include_dirs: ["tzcode/"],
+ name: "libc_tzcode",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+}
+
+// ========================================================
+// libc_dns.a - modified NetBSD DNS code
+// ========================================================
+
+cc_library_static {
+
+ srcs: [
+ "dns/net/gethnamaddr.c",
+ "dns/net/getservbyname.c",
+ "dns/net/getservbyport.c",
+ "dns/net/getaddrinfo.c",
+ "dns/net/getnameinfo.c",
+ "dns/net/sethostent.c",
+ "dns/net/getservent.c",
+ "dns/net/nsdispatch.c",
+ "dns/net/base64.c",
+ "dns/resolv/res_state.c",
+ "dns/resolv/res_init.c",
+ "dns/resolv/res_mkquery.c",
+ "dns/resolv/res_data.c",
+ "dns/resolv/res_debug.c",
+ "dns/resolv/herror.c",
+ "dns/resolv/res_cache.c",
+ "dns/resolv/res_query.c",
+ "dns/resolv/res_comp.c",
+ "dns/resolv/res_send.c",
+ "dns/nameser/ns_name.c",
+ "dns/nameser/ns_print.c",
+ "dns/nameser/ns_parse.c",
+ "dns/nameser/ns_ttl.c",
+ "dns/nameser/ns_netint.c",
+ "dns/nameser/ns_samedomain.c",
+
+ "upstream-netbsd/lib/libc/isc/ev_streams.c",
+ "upstream-netbsd/lib/libc/isc/ev_timers.c",
+ "upstream-netbsd/lib/libc/resolv/mtctxres.c",
+ // We use the OpenBSD res_random.
+ "upstream-openbsd/lib/libc/net/res_random.c",
+ ],
+
+ cflags: ["-Dres_randomid=__res_randomid"] +
+ libc_common_cflags + [
+ "-DANDROID_CHANGES",
+ "-DINET6",
+ "-fvisibility=hidden",
+ "-Wno-unused-parameter",
+ "-include netbsd-compat.h",
+ ],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ local_include_dirs: [
+ "dns/include",
+ "private",
+ "upstream-netbsd/lib/libc/include",
+ "upstream-netbsd/android/include",
+ ],
+
+ name: "libc_dns",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+}
+
+// ========================================================
+// libc_freebsd.a - upstream FreeBSD C library code
+// ========================================================
+//
+// These files are built with the freebsd-compat.h header file
+// automatically included.
+
+cc_library_static {
+ srcs: [
+ "upstream-freebsd/lib/libc/gen/ldexp.c",
+ "upstream-freebsd/lib/libc/gen/sleep.c",
+ "upstream-freebsd/lib/libc/gen/usleep.c",
+ "upstream-freebsd/lib/libc/stdlib/getopt_long.c",
+ "upstream-freebsd/lib/libc/stdlib/qsort.c",
+ "upstream-freebsd/lib/libc/stdlib/quick_exit.c",
+ "upstream-freebsd/lib/libc/stdlib/realpath.c",
+ "upstream-freebsd/lib/libc/string/wcpcpy.c",
+ "upstream-freebsd/lib/libc/string/wcpncpy.c",
+ "upstream-freebsd/lib/libc/string/wcscasecmp.c",
+ "upstream-freebsd/lib/libc/string/wcscspn.c",
+ "upstream-freebsd/lib/libc/string/wcsdup.c",
+ "upstream-freebsd/lib/libc/string/wcslcat.c",
+ "upstream-freebsd/lib/libc/string/wcsncasecmp.c",
+ "upstream-freebsd/lib/libc/string/wcsncat.c",
+ "upstream-freebsd/lib/libc/string/wcsncmp.c",
+ "upstream-freebsd/lib/libc/string/wcsncpy.c",
+ "upstream-freebsd/lib/libc/string/wcsnlen.c",
+ "upstream-freebsd/lib/libc/string/wcspbrk.c",
+ "upstream-freebsd/lib/libc/string/wcsspn.c",
+ "upstream-freebsd/lib/libc/string/wcstok.c",
+ "upstream-freebsd/lib/libc/string/wmemchr.c",
+ "upstream-freebsd/lib/libc/string/wmemset.c",
+
+ // May be overriden by per-arch optimized versions
+ "upstream-freebsd/lib/libc/string/wcscat.c",
+ "upstream-freebsd/lib/libc/string/wcschr.c",
+ "upstream-freebsd/lib/libc/string/wcscmp.c",
+ "upstream-freebsd/lib/libc/string/wcscpy.c",
+ "upstream-freebsd/lib/libc/string/wcslen.c",
+ "upstream-freebsd/lib/libc/string/wcsrchr.c",
+ "upstream-freebsd/lib/libc/string/wmemcmp.c",
+ "upstream-freebsd/lib/libc/string/wmemmove.c",
+ ],
+ arch: {
+ arm64: {
+ exclude_srcs: [
+ "upstream-freebsd/lib/libc/string/wmemmove.c",
+ ],
+ },
+ x86: {
+ exclude_srcs: [
+ "upstream-freebsd/lib/libc/string/wcschr.c",
+ "upstream-freebsd/lib/libc/string/wcscmp.c",
+ "upstream-freebsd/lib/libc/string/wcslen.c",
+ "upstream-freebsd/lib/libc/string/wcsrchr.c",
+ ],
+ },
+ x86_sse3: {
+ exclude_srcs: [
+ "upstream-freebsd/lib/libc/string/wcscpy.c",
+ "upstream-freebsd/lib/libc/string/wcscat.c",
+ ],
+ },
+ x86_sse4: {
+ exclude_srcs: [
+ "upstream-freebsd/lib/libc/string/wmemcmp.c",
+ ],
+ },
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+
+ cflags: libc_common_cflags + [
+ "-Wno-sign-compare",
+ "-Wno-uninitialized",
+ "-include freebsd-compat.h",
+ ],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ local_include_dirs: [
+ "upstream-freebsd/android/include",
+ ],
+
+ name: "libc_freebsd",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+}
+
+// ========================================================
+// libc_netbsd.a - upstream NetBSD C library code
+// ========================================================
+//
+// These files are built with the netbsd-compat.h header file
+// automatically included.
+
+cc_library_static {
+
+ srcs: [
+ "upstream-netbsd/common/lib/libc/stdlib/random.c",
+ "upstream-netbsd/lib/libc/gen/ftw.c",
+ "upstream-netbsd/lib/libc/gen/nftw.c",
+ "upstream-netbsd/lib/libc/gen/nice.c",
+ "upstream-netbsd/lib/libc/gen/popen.c",
+ "upstream-netbsd/lib/libc/gen/psignal.c",
+ "upstream-netbsd/lib/libc/gen/utime.c",
+ "upstream-netbsd/lib/libc/gen/utmp.c",
+ "upstream-netbsd/lib/libc/inet/nsap_addr.c",
+ "upstream-netbsd/lib/libc/regex/regcomp.c",
+ "upstream-netbsd/lib/libc/regex/regerror.c",
+ "upstream-netbsd/lib/libc/regex/regexec.c",
+ "upstream-netbsd/lib/libc/regex/regfree.c",
+ "upstream-netbsd/lib/libc/stdlib/bsearch.c",
+ "upstream-netbsd/lib/libc/stdlib/div.c",
+ "upstream-netbsd/lib/libc/stdlib/drand48.c",
+ "upstream-netbsd/lib/libc/stdlib/erand48.c",
+ "upstream-netbsd/lib/libc/stdlib/jrand48.c",
+ "upstream-netbsd/lib/libc/stdlib/lcong48.c",
+ "upstream-netbsd/lib/libc/stdlib/ldiv.c",
+ "upstream-netbsd/lib/libc/stdlib/lldiv.c",
+ "upstream-netbsd/lib/libc/stdlib/lrand48.c",
+ "upstream-netbsd/lib/libc/stdlib/mrand48.c",
+ "upstream-netbsd/lib/libc/stdlib/nrand48.c",
+ "upstream-netbsd/lib/libc/stdlib/_rand48.c",
+ "upstream-netbsd/lib/libc/stdlib/rand_r.c",
+ "upstream-netbsd/lib/libc/stdlib/reallocarr.c",
+ "upstream-netbsd/lib/libc/stdlib/seed48.c",
+ "upstream-netbsd/lib/libc/stdlib/srand48.c",
+ "upstream-netbsd/lib/libc/string/memccpy.c",
+ "upstream-netbsd/lib/libc/string/strcasestr.c",
+ "upstream-netbsd/lib/libc/string/strcoll.c",
+ "upstream-netbsd/lib/libc/string/strxfrm.c",
+ ],
+ multilib: {
+ lib32: {
+ // LP32 cruft
+ srcs: ["upstream-netbsd/common/lib/libc/hash/sha1/sha1.c"],
+ },
+ },
+ cflags: libc_common_cflags + [
+ "-Wno-sign-compare",
+ "-Wno-uninitialized",
+ "-DPOSIX_MISTAKE",
+ "-include netbsd-compat.h",
+ ],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ local_include_dirs: [
+ "upstream-netbsd/android/include",
+ "upstream-netbsd/lib/libc/include",
+ ],
+
+ name: "libc_netbsd",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+}
+
+// ========================================================
+// libc_openbsd_ndk.a - upstream OpenBSD C library code
+// that can be safely included in the libc_ndk.a (doesn't
+// contain any troublesome global data or constructors).
+// ========================================================
+//
+// These files are built with the openbsd-compat.h header file
+// automatically included.
+
+cc_library_static {
+ name: "libc_openbsd_ndk",
+ srcs: [
+ "upstream-openbsd/lib/libc/compat-43/killpg.c",
+ "upstream-openbsd/lib/libc/gen/alarm.c",
+ "upstream-openbsd/lib/libc/gen/ctype_.c",
+ "upstream-openbsd/lib/libc/gen/daemon.c",
+ "upstream-openbsd/lib/libc/gen/err.c",
+ "upstream-openbsd/lib/libc/gen/errx.c",
+ "upstream-openbsd/lib/libc/gen/exec.c",
+ "upstream-openbsd/lib/libc/gen/fnmatch.c",
+ "upstream-openbsd/lib/libc/gen/ftok.c",
+ "upstream-openbsd/lib/libc/gen/getprogname.c",
+ "upstream-openbsd/lib/libc/gen/isctype.c",
+ "upstream-openbsd/lib/libc/gen/setprogname.c",
+ "upstream-openbsd/lib/libc/gen/time.c",
+ "upstream-openbsd/lib/libc/gen/tolower_.c",
+ "upstream-openbsd/lib/libc/gen/toupper_.c",
+ "upstream-openbsd/lib/libc/gen/verr.c",
+ "upstream-openbsd/lib/libc/gen/verrx.c",
+ "upstream-openbsd/lib/libc/gen/vwarn.c",
+ "upstream-openbsd/lib/libc/gen/vwarnx.c",
+ "upstream-openbsd/lib/libc/gen/warn.c",
+ "upstream-openbsd/lib/libc/gen/warnx.c",
+ "upstream-openbsd/lib/libc/locale/btowc.c",
+ "upstream-openbsd/lib/libc/locale/mbrlen.c",
+ "upstream-openbsd/lib/libc/locale/mbstowcs.c",
+ "upstream-openbsd/lib/libc/locale/mbtowc.c",
+ "upstream-openbsd/lib/libc/locale/wcscoll.c",
+ "upstream-openbsd/lib/libc/locale/wcstod.c",
+ "upstream-openbsd/lib/libc/locale/wcstof.c",
+ "upstream-openbsd/lib/libc/locale/wcstoimax.c",
+ "upstream-openbsd/lib/libc/locale/wcstol.c",
+ "upstream-openbsd/lib/libc/locale/wcstold.c",
+ "upstream-openbsd/lib/libc/locale/wcstoll.c",
+ "upstream-openbsd/lib/libc/locale/wcstombs.c",
+ "upstream-openbsd/lib/libc/locale/wcstoul.c",
+ "upstream-openbsd/lib/libc/locale/wcstoull.c",
+ "upstream-openbsd/lib/libc/locale/wcstoumax.c",
+ "upstream-openbsd/lib/libc/locale/wcsxfrm.c",
+ "upstream-openbsd/lib/libc/locale/wctob.c",
+ "upstream-openbsd/lib/libc/locale/wctomb.c",
+ "upstream-openbsd/lib/libc/net/htonl.c",
+ "upstream-openbsd/lib/libc/net/htons.c",
+ "upstream-openbsd/lib/libc/net/inet_addr.c",
+ "upstream-openbsd/lib/libc/net/inet_lnaof.c",
+ "upstream-openbsd/lib/libc/net/inet_makeaddr.c",
+ "upstream-openbsd/lib/libc/net/inet_netof.c",
+ "upstream-openbsd/lib/libc/net/inet_network.c",
+ "upstream-openbsd/lib/libc/net/inet_ntoa.c",
+ "upstream-openbsd/lib/libc/net/inet_ntop.c",
+ "upstream-openbsd/lib/libc/net/inet_pton.c",
+ "upstream-openbsd/lib/libc/net/ntohl.c",
+ "upstream-openbsd/lib/libc/net/ntohs.c",
+ "upstream-openbsd/lib/libc/stdio/asprintf.c",
+ "upstream-openbsd/lib/libc/stdio/clrerr.c",
+ "upstream-openbsd/lib/libc/stdio/dprintf.c",
+ "upstream-openbsd/lib/libc/stdio/fclose.c",
+ "upstream-openbsd/lib/libc/stdio/fdopen.c",
+ "upstream-openbsd/lib/libc/stdio/feof.c",
+ "upstream-openbsd/lib/libc/stdio/ferror.c",
+ "upstream-openbsd/lib/libc/stdio/fflush.c",
+ "upstream-openbsd/lib/libc/stdio/fgetc.c",
+ "upstream-openbsd/lib/libc/stdio/fgetln.c",
+ "upstream-openbsd/lib/libc/stdio/fgetpos.c",
+ "upstream-openbsd/lib/libc/stdio/fgets.c",
+ "upstream-openbsd/lib/libc/stdio/fgetwc.c",
+ "upstream-openbsd/lib/libc/stdio/fgetws.c",
+ "upstream-openbsd/lib/libc/stdio/fileno.c",
+ "upstream-openbsd/lib/libc/stdio/flags.c",
+ "upstream-openbsd/lib/libc/stdio/fmemopen.c",
+ "upstream-openbsd/lib/libc/stdio/fopen.c",
+ "upstream-openbsd/lib/libc/stdio/fprintf.c",
+ "upstream-openbsd/lib/libc/stdio/fpurge.c",
+ "upstream-openbsd/lib/libc/stdio/fputc.c",
+ "upstream-openbsd/lib/libc/stdio/fputs.c",
+ "upstream-openbsd/lib/libc/stdio/fputwc.c",
+ "upstream-openbsd/lib/libc/stdio/fputws.c",
+ "upstream-openbsd/lib/libc/stdio/freopen.c",
+ "upstream-openbsd/lib/libc/stdio/fscanf.c",
+ "upstream-openbsd/lib/libc/stdio/fseek.c",
+ "upstream-openbsd/lib/libc/stdio/fsetpos.c",
+ "upstream-openbsd/lib/libc/stdio/ftell.c",
+ "upstream-openbsd/lib/libc/stdio/funopen.c",
+ "upstream-openbsd/lib/libc/stdio/fvwrite.c",
+ "upstream-openbsd/lib/libc/stdio/fwalk.c",
+ "upstream-openbsd/lib/libc/stdio/fwide.c",
+ "upstream-openbsd/lib/libc/stdio/fwprintf.c",
+ "upstream-openbsd/lib/libc/stdio/fwrite.c",
+ "upstream-openbsd/lib/libc/stdio/fwscanf.c",
+ "upstream-openbsd/lib/libc/stdio/getc.c",
+ "upstream-openbsd/lib/libc/stdio/getchar.c",
+ "upstream-openbsd/lib/libc/stdio/getdelim.c",
+ "upstream-openbsd/lib/libc/stdio/getline.c",
+ "upstream-openbsd/lib/libc/stdio/gets.c",
+ "upstream-openbsd/lib/libc/stdio/getwc.c",
+ "upstream-openbsd/lib/libc/stdio/getwchar.c",
+ "upstream-openbsd/lib/libc/stdio/makebuf.c",
+ "upstream-openbsd/lib/libc/stdio/mktemp.c",
+ "upstream-openbsd/lib/libc/stdio/open_memstream.c",
+ "upstream-openbsd/lib/libc/stdio/open_wmemstream.c",
+ "upstream-openbsd/lib/libc/stdio/perror.c",
+ "upstream-openbsd/lib/libc/stdio/printf.c",
+ "upstream-openbsd/lib/libc/stdio/putc.c",
+ "upstream-openbsd/lib/libc/stdio/putchar.c",
+ "upstream-openbsd/lib/libc/stdio/puts.c",
+ "upstream-openbsd/lib/libc/stdio/putwc.c",
+ "upstream-openbsd/lib/libc/stdio/putwchar.c",
+ "upstream-openbsd/lib/libc/stdio/refill.c",
+ "upstream-openbsd/lib/libc/stdio/remove.c",
+ "upstream-openbsd/lib/libc/stdio/rewind.c",
+ "upstream-openbsd/lib/libc/stdio/rget.c",
+ "upstream-openbsd/lib/libc/stdio/scanf.c",
+ "upstream-openbsd/lib/libc/stdio/setbuf.c",
+ "upstream-openbsd/lib/libc/stdio/setbuffer.c",
+ "upstream-openbsd/lib/libc/stdio/setvbuf.c",
+ "upstream-openbsd/lib/libc/stdio/sscanf.c",
+ "upstream-openbsd/lib/libc/stdio/swprintf.c",
+ "upstream-openbsd/lib/libc/stdio/swscanf.c",
+ "upstream-openbsd/lib/libc/stdio/tempnam.c",
+ "upstream-openbsd/lib/libc/stdio/tmpnam.c",
+ "upstream-openbsd/lib/libc/stdio/ungetc.c",
+ "upstream-openbsd/lib/libc/stdio/ungetwc.c",
+ "upstream-openbsd/lib/libc/stdio/vasprintf.c",
+ "upstream-openbsd/lib/libc/stdio/vdprintf.c",
+ "upstream-openbsd/lib/libc/stdio/vfprintf.c",
+ "upstream-openbsd/lib/libc/stdio/vfscanf.c",
+ "upstream-openbsd/lib/libc/stdio/vfwprintf.c",
+ "upstream-openbsd/lib/libc/stdio/vfwscanf.c",
+ "upstream-openbsd/lib/libc/stdio/vprintf.c",
+ "upstream-openbsd/lib/libc/stdio/vscanf.c",
+ "upstream-openbsd/lib/libc/stdio/vsnprintf.c",
+ "upstream-openbsd/lib/libc/stdio/vsprintf.c",
+ "upstream-openbsd/lib/libc/stdio/vsscanf.c",
+ "upstream-openbsd/lib/libc/stdio/vswprintf.c",
+ "upstream-openbsd/lib/libc/stdio/vswscanf.c",
+ "upstream-openbsd/lib/libc/stdio/vwprintf.c",
+ "upstream-openbsd/lib/libc/stdio/vwscanf.c",
+ "upstream-openbsd/lib/libc/stdio/wbuf.c",
+ "upstream-openbsd/lib/libc/stdio/wprintf.c",
+ "upstream-openbsd/lib/libc/stdio/wscanf.c",
+ "upstream-openbsd/lib/libc/stdio/wsetup.c",
+ "upstream-openbsd/lib/libc/stdlib/abs.c",
+ "upstream-openbsd/lib/libc/stdlib/atoi.c",
+ "upstream-openbsd/lib/libc/stdlib/atol.c",
+ "upstream-openbsd/lib/libc/stdlib/atoll.c",
+ "upstream-openbsd/lib/libc/stdlib/getenv.c",
+ "upstream-openbsd/lib/libc/stdlib/insque.c",
+ "upstream-openbsd/lib/libc/stdlib/imaxabs.c",
+ "upstream-openbsd/lib/libc/stdlib/imaxdiv.c",
+ "upstream-openbsd/lib/libc/stdlib/labs.c",
+ "upstream-openbsd/lib/libc/stdlib/llabs.c",
+ "upstream-openbsd/lib/libc/stdlib/lsearch.c",
+ "upstream-openbsd/lib/libc/stdlib/reallocarray.c",
+ "upstream-openbsd/lib/libc/stdlib/remque.c",
+ "upstream-openbsd/lib/libc/stdlib/setenv.c",
+ "upstream-openbsd/lib/libc/stdlib/strtoimax.c",
+ "upstream-openbsd/lib/libc/stdlib/strtol.c",
+ "upstream-openbsd/lib/libc/stdlib/strtoll.c",
+ "upstream-openbsd/lib/libc/stdlib/strtoul.c",
+ "upstream-openbsd/lib/libc/stdlib/strtoull.c",
+ "upstream-openbsd/lib/libc/stdlib/strtoumax.c",
+ "upstream-openbsd/lib/libc/stdlib/system.c",
+ "upstream-openbsd/lib/libc/stdlib/tfind.c",
+ "upstream-openbsd/lib/libc/stdlib/tsearch.c",
+ "upstream-openbsd/lib/libc/string/strcasecmp.c",
+ "upstream-openbsd/lib/libc/string/strcspn.c",
+ "upstream-openbsd/lib/libc/string/strdup.c",
+ "upstream-openbsd/lib/libc/string/strndup.c",
+ "upstream-openbsd/lib/libc/string/strpbrk.c",
+ "upstream-openbsd/lib/libc/string/strsep.c",
+ "upstream-openbsd/lib/libc/string/strspn.c",
+ "upstream-openbsd/lib/libc/string/strstr.c",
+ "upstream-openbsd/lib/libc/string/strtok.c",
+ "upstream-openbsd/lib/libc/string/wmemcpy.c",
+ "upstream-openbsd/lib/libc/string/wcslcpy.c",
+ "upstream-openbsd/lib/libc/string/wcsstr.c",
+ "upstream-openbsd/lib/libc/string/wcswidth.c",
+ ],
+
+ cflags: libc_common_cflags + [
+ "-Wno-sign-compare",
+ "-Wno-uninitialized",
+ "-Wno-unused-parameter",
+ "-include openbsd-compat.h",
+ ],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ local_include_dirs: [
+ "private",
+ "stdio",
+ "upstream-openbsd/android/include",
+ "upstream-openbsd/lib/libc/include",
+ "upstream-openbsd/lib/libc/gdtoa/",
+ ],
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+}
+
+// ========================================================
+// libc_openbsd.a - upstream OpenBSD C library code
+// ========================================================
+//
+// These files are built with the openbsd-compat.h header file
+// automatically included.
+cc_library_static {
+ srcs: [
+ // These two depend on getentropy_linux.c, which isn't in libc_ndk.a.
+ "upstream-openbsd/lib/libc/crypt/arc4random.c",
+ "upstream-openbsd/lib/libc/crypt/arc4random_uniform.c",
+
+ // May be overriden by per-arch optimized versions
+ "upstream-openbsd/lib/libc/string/memchr.c",
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/memrchr.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/stpncpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ "upstream-openbsd/lib/libc/string/strcmp.c",
+ "upstream-openbsd/lib/libc/string/strcpy.c",
+ "upstream-openbsd/lib/libc/string/strlcat.c",
+ "upstream-openbsd/lib/libc/string/strlcpy.c",
+ "upstream-openbsd/lib/libc/string/strncat.c",
+ "upstream-openbsd/lib/libc/string/strncmp.c",
+ "upstream-openbsd/lib/libc/string/strncpy.c",
+ ],
+ multilib: {
+ lib32: {
+ // LP32 cruft
+ srcs: ["upstream-openbsd/lib/libc/stdio/putw.c"],
+ },
+ },
+
+ arch: {
+ arm: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/strcmp.c",
+ "upstream-openbsd/lib/libc/string/strcpy.c",
+ ],
+ },
+ cortex_a7: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ ],
+ },
+ cortex_a53: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ ],
+ },
+ cortex_a8: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ ],
+ },
+ cortex_a9: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ ],
+ },
+ cortex_a15: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ ],
+ },
+ denver: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ ],
+ },
+ krait: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ ],
+ },
+
+ arm64: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memchr.c",
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/strcmp.c",
+ "upstream-openbsd/lib/libc/string/strcpy.c",
+ "upstream-openbsd/lib/libc/string/strncmp.c",
+ ],
+ },
+
+ mips: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/strcmp.c",
+ ],
+ },
+
+ mips64: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/strcmp.c",
+ ],
+ },
+
+ x86: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memchr.c",
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/memrchr.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/stpncpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ "upstream-openbsd/lib/libc/string/strcmp.c",
+ "upstream-openbsd/lib/libc/string/strcpy.c",
+ "upstream-openbsd/lib/libc/string/strncmp.c",
+ "upstream-openbsd/lib/libc/string/strncpy.c",
+ ],
+ },
+ x86_sse3: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/strlcat.c",
+ "upstream-openbsd/lib/libc/string/strlcpy.c",
+ "upstream-openbsd/lib/libc/string/strncat.c",
+ ],
+ },
+
+ x86_64: {
+ exclude_srcs: [
+ "upstream-openbsd/lib/libc/string/memmove.c",
+ "upstream-openbsd/lib/libc/string/stpcpy.c",
+ "upstream-openbsd/lib/libc/string/stpncpy.c",
+ "upstream-openbsd/lib/libc/string/strcat.c",
+ "upstream-openbsd/lib/libc/string/strcmp.c",
+ "upstream-openbsd/lib/libc/string/strcpy.c",
+ "upstream-openbsd/lib/libc/string/strlcat.c",
+ "upstream-openbsd/lib/libc/string/strlcpy.c",
+ "upstream-openbsd/lib/libc/string/strncat.c",
+ "upstream-openbsd/lib/libc/string/strncmp.c",
+ "upstream-openbsd/lib/libc/string/strncpy.c",
+ ],
+ clang: use_clang_x86_64,
+ },
+ },
+
+ cflags: libc_common_cflags + [
+ "-Wno-sign-compare",
+ "-Wno-uninitialized",
+ "-Wno-unused-parameter",
+ "-include openbsd-compat.h",
+ ],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ local_include_dirs: [
+ "private",
+ "stdio",
+ "upstream-openbsd/android/include",
+ "upstream-openbsd/lib/libc/include",
+ "upstream-openbsd/lib/libc/gdtoa/",
+ ],
+
+ name: "libc_openbsd",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+}
+
+// ========================================================
+// libc_gdtoa.a - upstream OpenBSD C library gdtoa code
+// ========================================================
+//
+// These files are built with the openbsd-compat.h header file
+// automatically included.
+
+cc_library_static {
+ srcs: [
+ "upstream-openbsd/android/gdtoa_support.cpp",
+ "upstream-openbsd/lib/libc/gdtoa/dmisc.c",
+ "upstream-openbsd/lib/libc/gdtoa/dtoa.c",
+ "upstream-openbsd/lib/libc/gdtoa/gdtoa.c",
+ "upstream-openbsd/lib/libc/gdtoa/gethex.c",
+ "upstream-openbsd/lib/libc/gdtoa/gmisc.c",
+ "upstream-openbsd/lib/libc/gdtoa/hd_init.c",
+ "upstream-openbsd/lib/libc/gdtoa/hdtoa.c",
+ "upstream-openbsd/lib/libc/gdtoa/hexnan.c",
+ "upstream-openbsd/lib/libc/gdtoa/ldtoa.c",
+ "upstream-openbsd/lib/libc/gdtoa/misc.c",
+ "upstream-openbsd/lib/libc/gdtoa/smisc.c",
+ "upstream-openbsd/lib/libc/gdtoa/strtod.c",
+ "upstream-openbsd/lib/libc/gdtoa/strtodg.c",
+ "upstream-openbsd/lib/libc/gdtoa/strtof.c",
+ "upstream-openbsd/lib/libc/gdtoa/strtord.c",
+ "upstream-openbsd/lib/libc/gdtoa/sum.c",
+ "upstream-openbsd/lib/libc/gdtoa/ulp.c",
+ ],
+ multilib: {
+ lib64: {
+ srcs: ["upstream-openbsd/lib/libc/gdtoa/strtorQ.c"]
+ },
+ },
+
+ cflags: libc_common_cflags + [
+ "-Wno-sign-compare",
+ "-Wno-uninitialized",
+ "-fvisibility=hidden",
+ "-include openbsd-compat.h",
+ ],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ local_include_dirs: [
+ "private",
+ "upstream-openbsd/android/include",
+ "upstream-openbsd/lib/libc/include",
+ ],
+
+ name: "libc_gdtoa",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+}
+
+// ========================================================
+// libc_bionic.a - home-grown C library code
+// ========================================================
+
+cc_library_static {
+ srcs: [
+ // The fork implementation depends on pthread data, so we can't include
+ // it in libc_ndk.a.
+ "bionic/fork.cpp",
+
+ // The data that backs getauxval is initialized in the libc init
+ // functions which are invoked by the linker. If this file is included
+ // in libc_ndk.a, only one of the copies of the global data will be
+ // initialized, resulting in nullptr dereferences.
+ "bionic/getauxval.cpp",
+
+ // These four require getauxval, which isn't available on older
+ // platforms.
+ "bionic/getentropy_linux.c",
+ "bionic/sysconf.cpp",
+ "bionic/vdso.cpp",
+ "bionic/setjmp_cookie.cpp",
+ ],
+ cflags: libc_common_cflags + ["-Wframe-larger-than=2048"],
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags + ["-Wold-style-cast"],
+ product_variables: libc_common_product_variables,
+ include_dirs: ["bionic/libstdc++/include"],
+ name: "libc_bionic",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+}
+
+// ========================================================
+// libc_bionic_ndk.a- The portions of libc_bionic that can
+// be safely used in libc_ndk.a (no troublesome global data
+// or constructors).
+// ========================================================
+cc_library_static {
+ srcs: [
+ "bionic/abort.cpp",
+ "bionic/accept.cpp",
+ "bionic/accept4.cpp",
+ "bionic/access.cpp",
+ "bionic/assert.cpp",
+ "bionic/atof.cpp",
+ "bionic/bionic_systrace.cpp",
+ "bionic/bionic_time_conversions.cpp",
+ "bionic/brk.cpp",
+ "bionic/c16rtomb.cpp",
+ "bionic/c32rtomb.cpp",
+ "bionic/chmod.cpp",
+ "bionic/chown.cpp",
+ "bionic/clearenv.cpp",
+ "bionic/clock.cpp",
+ "bionic/clock_getcpuclockid.cpp",
+ "bionic/clock_nanosleep.cpp",
+ "bionic/clone.cpp",
+ "bionic/close.cpp",
+ "bionic/__cmsg_nxthdr.cpp",
+ "bionic/connect.cpp",
+ "bionic/ctype.cpp",
+ "bionic/dirent.cpp",
+ "bionic/dup2.cpp",
+ "bionic/epoll_create.cpp",
+ "bionic/epoll_pwait.cpp",
+ "bionic/epoll_wait.cpp",
+ "bionic/__errno.cpp",
+ "bionic/error.cpp",
+ "bionic/eventfd_read.cpp",
+ "bionic/eventfd_write.cpp",
+ "bionic/faccessat.cpp",
+ "bionic/fchmod.cpp",
+ "bionic/fchmodat.cpp",
+ "bionic/ffs.cpp",
+ "bionic/fgetxattr.cpp",
+ "bionic/flistxattr.cpp",
+ "bionic/flockfile.cpp",
+ "bionic/fpclassify.cpp",
+ "bionic/fsetxattr.cpp",
+ "bionic/ftruncate.cpp",
+ "bionic/futimens.cpp",
+ "bionic/getcwd.cpp",
+ "bionic/gethostname.cpp",
+ "bionic/getpgrp.cpp",
+ "bionic/getpid.cpp",
+ "bionic/gettid.cpp",
+ "bionic/__gnu_basename.cpp",
+ "bionic/inotify_init.cpp",
+ "bionic/lchown.cpp",
+ "bionic/lfs64_support.cpp",
+ "bionic/__libc_current_sigrtmax.cpp",
+ "bionic/__libc_current_sigrtmin.cpp",
+ "bionic/libc_init_common.cpp",
+ "bionic/libc_logging.cpp",
+ "bionic/libgen.cpp",
+ "bionic/link.cpp",
+ "bionic/locale.cpp",
+ "bionic/lstat.cpp",
+ "bionic/malloc_info.cpp",
+ "bionic/mbrtoc16.cpp",
+ "bionic/mbrtoc32.cpp",
+ "bionic/mbstate.cpp",
+ "bionic/mempcpy.cpp",
+ "bionic/mkdir.cpp",
+ "bionic/mkfifo.cpp",
+ "bionic/mknod.cpp",
+ "bionic/mntent.cpp",
+ "bionic/NetdClientDispatch.cpp",
+ "bionic/open.cpp",
+ "bionic/pathconf.cpp",
+ "bionic/pause.cpp",
+ "bionic/pipe.cpp",
+ "bionic/poll.cpp",
+ "bionic/posix_fadvise.cpp",
+ "bionic/posix_fallocate.cpp",
+ "bionic/posix_madvise.cpp",
+ "bionic/posix_timers.cpp",
+ "bionic/ptrace.cpp",
+ "bionic/pty.cpp",
+ "bionic/raise.cpp",
+ "bionic/rand.cpp",
+ "bionic/readlink.cpp",
+ "bionic/reboot.cpp",
+ "bionic/recv.cpp",
+ "bionic/rename.cpp",
+ "bionic/rmdir.cpp",
+ "bionic/scandir.cpp",
+ "bionic/sched_getaffinity.cpp",
+ "bionic/sched_getcpu.cpp",
+ "bionic/semaphore.cpp",
+ "bionic/send.cpp",
+ "bionic/setegid.cpp",
+ "bionic/__set_errno.cpp",
+ "bionic/seteuid.cpp",
+ "bionic/setpgrp.cpp",
+ "bionic/sigaction.cpp",
+ "bionic/sigaddset.cpp",
+ "bionic/sigdelset.cpp",
+ "bionic/sigemptyset.cpp",
+ "bionic/sigfillset.cpp",
+ "bionic/sigismember.cpp",
+ "bionic/signal.cpp",
+ "bionic/signalfd.cpp",
+ "bionic/sigpending.cpp",
+ "bionic/sigprocmask.cpp",
+ "bionic/sigqueue.cpp",
+ "bionic/sigsuspend.cpp",
+ "bionic/sigtimedwait.cpp",
+ "bionic/sigwait.cpp",
+ "bionic/sigwaitinfo.cpp",
+ "bionic/socket.cpp",
+ "bionic/stat.cpp",
+ "bionic/statvfs.cpp",
+ "bionic/strchrnul.cpp",
+ "bionic/strerror.cpp",
+ "bionic/strerror_r.cpp",
+ "bionic/strsignal.cpp",
+ "bionic/strtold.cpp",
+ "bionic/stubs.cpp",
+ "bionic/symlink.cpp",
+ "bionic/sysinfo.cpp",
+ "bionic/syslog.cpp",
+ "bionic/sys_siglist.c",
+ "bionic/sys_signame.c",
+ "bionic/system_properties.cpp",
+ "bionic/tdestroy.cpp",
+ "bionic/termios.cpp",
+ "bionic/thread_private.cpp",
+ "bionic/tmpfile.cpp",
+ "bionic/umount.cpp",
+ "bionic/unlink.cpp",
+ "bionic/utimes.cpp",
+ "bionic/wait.cpp",
+ "bionic/wchar.cpp",
+ "bionic/wctype.cpp",
+ "bionic/wmempcpy.cpp",
+
+ // May be overriden by per-arch optimized versions
+ "bionic/__memcpy_chk.cpp",
+ "bionic/__memset_chk.cpp",
+ "bionic/__strcat_chk.cpp",
+ "bionic/__strcpy_chk.cpp",
+ "bionic/strchr.cpp",
+ "bionic/strnlen.c",
+ "bionic/strrchr.cpp",
+ ],
+ cflags: libc_common_cflags + ["-Wframe-larger-than=2048"],
+
+ arch: {
+
+ arm: {
+ srcs: [
+ "arch-arm/bionic/abort_arm.S",
+ "arch-arm/bionic/atomics_arm.c",
+ "arch-arm/bionic/__bionic_clone.S",
+ "arch-arm/bionic/_exit_with_stack_teardown.S",
+ "arch-arm/bionic/libgcc_compat.c",
+ "arch-arm/bionic/popcount_tab.c",
+ "arch-arm/bionic/__restore.S",
+ "arch-arm/bionic/setjmp.S",
+ "arch-arm/bionic/syscall.S",
+ "arch-arm/bionic/vfork.S",
+
+ "arch-arm/generic/bionic/memcmp.S",
+ "arch-arm/generic/bionic/memcpy.S",
+ "arch-arm/generic/bionic/memset.S",
+ "arch-arm/generic/bionic/strcmp.S",
+ "arch-arm/generic/bionic/strcpy.S",
+ "arch-arm/generic/bionic/strlen.c",
+ ],
+ exclude_srcs: [
+ "bionic/__memcpy_chk.cpp",
+ "bionic/__memset_chk.cpp",
+ ],
+ },
+ cortex_a7: {
+ srcs: [
+ "arch-arm/cortex-a7/bionic/memset.S",
+
+ "arch-arm/cortex-a15/bionic/memcpy.S",
+ "arch-arm/cortex-a15/bionic/stpcpy.S",
+ "arch-arm/cortex-a15/bionic/strcat.S",
+ "arch-arm/cortex-a15/bionic/__strcat_chk.S",
+ "arch-arm/cortex-a15/bionic/strcmp.S",
+ "arch-arm/cortex-a15/bionic/strcpy.S",
+ "arch-arm/cortex-a15/bionic/__strcpy_chk.S",
+ "arch-arm/cortex-a15/bionic/strlen.S",
+
+ "arch-arm/denver/bionic/memmove.S",
+ ],
+ exclude_srcs: [
+ "arch-arm/generic/bionic/memcpy.S",
+ "arch-arm/generic/bionic/memset.S",
+ "arch-arm/generic/bionic/strcmp.S",
+ "arch-arm/generic/bionic/strcpy.S",
+ "arch-arm/generic/bionic/strlen.c",
+ "bionic/__strcat_chk.cpp",
+ "bionic/__strcpy_chk.cpp",
+ ],
+ },
+ cortex_a53: {
+ srcs: [
+ "arch-arm/cortex-a53/bionic/memcpy.S",
+ "arch-arm/cortex-a53/bionic/__strcat_chk.S",
+ "arch-arm/cortex-a53/bionic/__strcpy_chk.S",
+
+ "arch-arm/cortex-a7/bionic/memset.S",
+
+ "arch-arm/cortex-a15/bionic/stpcpy.S",
+ "arch-arm/cortex-a15/bionic/strcat.S",
+ "arch-arm/cortex-a15/bionic/strcmp.S",
+ "arch-arm/cortex-a15/bionic/strcpy.S",
+ "arch-arm/cortex-a15/bionic/strlen.S",
+
+ "arch-arm/denver/bionic/memmove.S",
+ ],
+ exclude_srcs: [
+ "arch-arm/generic/bionic/memcpy.S",
+ "arch-arm/generic/bionic/memset.S",
+ "arch-arm/generic/bionic/strcmp.S",
+ "arch-arm/generic/bionic/strcpy.S",
+ "arch-arm/generic/bionic/strlen.c",
+ "bionic/__strcat_chk.cpp",
+ "bionic/__strcpy_chk.cpp",
+ ],
+ },
+ cortex_a8: {
+ srcs: [
+ "arch-arm/cortex-a15/bionic/memcpy.S",
+ "arch-arm/cortex-a15/bionic/memset.S",
+ "arch-arm/cortex-a15/bionic/stpcpy.S",
+ "arch-arm/cortex-a15/bionic/strcat.S",
+ "arch-arm/cortex-a15/bionic/__strcat_chk.S",
+ "arch-arm/cortex-a15/bionic/strcmp.S",
+ "arch-arm/cortex-a15/bionic/strcpy.S",
+ "arch-arm/cortex-a15/bionic/__strcpy_chk.S",
+ "arch-arm/cortex-a15/bionic/strlen.S",
+
+ "arch-arm/denver/bionic/memmove.S",
+ ],
+ exclude_srcs: [
+ "arch-arm/generic/bionic/memcpy.S",
+ "arch-arm/generic/bionic/memset.S",
+ "arch-arm/generic/bionic/strcmp.S",
+ "arch-arm/generic/bionic/strcpy.S",
+ "arch-arm/generic/bionic/strlen.c",
+ "bionic/__strcat_chk.cpp",
+ "bionic/__strcpy_chk.cpp",
+ ],
+ },
+ cortex_a9: {
+ srcs: [
+ "arch-arm/cortex-a9/bionic/memcpy.S",
+ "arch-arm/cortex-a9/bionic/memset.S",
+ "arch-arm/cortex-a9/bionic/stpcpy.S",
+ "arch-arm/cortex-a9/bionic/strcat.S",
+ "arch-arm/cortex-a9/bionic/__strcat_chk.S",
+ "arch-arm/cortex-a9/bionic/strcmp.S",
+ "arch-arm/cortex-a9/bionic/strcpy.S",
+ "arch-arm/cortex-a9/bionic/__strcpy_chk.S",
+ "arch-arm/cortex-a9/bionic/strlen.S",
+
+ "arch-arm/denver/bionic/memmove.S",
+ ],
+ exclude_srcs: [
+ "arch-arm/generic/bionic/memcpy.S",
+ "arch-arm/generic/bionic/memset.S",
+ "arch-arm/generic/bionic/strcmp.S",
+ "arch-arm/generic/bionic/strcpy.S",
+ "arch-arm/generic/bionic/strlen.c",
+ "bionic/__strcat_chk.cpp",
+ "bionic/__strcpy_chk.cpp",
+ ],
+ },
+ cortex_a15: {
+ srcs: [
+ "arch-arm/cortex-a15/bionic/memcpy.S",
+ "arch-arm/cortex-a15/bionic/memset.S",
+ "arch-arm/cortex-a15/bionic/stpcpy.S",
+ "arch-arm/cortex-a15/bionic/strcat.S",
+ "arch-arm/cortex-a15/bionic/__strcat_chk.S",
+ "arch-arm/cortex-a15/bionic/strcmp.S",
+ "arch-arm/cortex-a15/bionic/strcpy.S",
+ "arch-arm/cortex-a15/bionic/__strcpy_chk.S",
+ "arch-arm/cortex-a15/bionic/strlen.S",
+
+ "arch-arm/denver/bionic/memmove.S",
+ ],
+ exclude_srcs: [
+ "arch-arm/generic/bionic/memcpy.S",
+ "arch-arm/generic/bionic/memset.S",
+ "arch-arm/generic/bionic/strcmp.S",
+ "arch-arm/generic/bionic/strcpy.S",
+ "arch-arm/generic/bionic/strlen.c",
+ "bionic/__strcat_chk.cpp",
+ "bionic/__strcpy_chk.cpp",
+ ],
+ },
+ denver: {
+ srcs: [
+ "arch-arm/denver/bionic/memcpy.S",
+ "arch-arm/denver/bionic/memmove.S",
+ "arch-arm/denver/bionic/memset.S",
+ "arch-arm/denver/bionic/__strcat_chk.S",
+ "arch-arm/denver/bionic/__strcpy_chk.S",
+
+ // Use cortex-a15 versions of strcat/strcpy/strlen.
+ "arch-arm/cortex-a15/bionic/stpcpy.S",
+ "arch-arm/cortex-a15/bionic/strcat.S",
+ "arch-arm/cortex-a15/bionic/strcmp.S",
+ "arch-arm/cortex-a15/bionic/strcpy.S",
+ "arch-arm/cortex-a15/bionic/strlen.S",
+ ],
+ exclude_srcs: [
+ "arch-arm/generic/bionic/memcpy.S",
+ "arch-arm/generic/bionic/memset.S",
+ "arch-arm/generic/bionic/strcmp.S",
+ "arch-arm/generic/bionic/strcpy.S",
+ "arch-arm/generic/bionic/strlen.c",
+ "bionic/__strcat_chk.cpp",
+ "bionic/__strcpy_chk.cpp",
+ ],
+ },
+ krait: {
+ srcs: [
+ "arch-arm/krait/bionic/memcpy.S",
+ "arch-arm/krait/bionic/memset.S",
+ "arch-arm/krait/bionic/strcmp.S",
+ "arch-arm/krait/bionic/__strcat_chk.S",
+ "arch-arm/krait/bionic/__strcpy_chk.S",
+
+ // Use cortex-a15 versions of strcat/strcpy/strlen.
+ "arch-arm/cortex-a15/bionic/stpcpy.S",
+ "arch-arm/cortex-a15/bionic/strcat.S",
+ "arch-arm/cortex-a15/bionic/strcpy.S",
+ "arch-arm/cortex-a15/bionic/strlen.S",
+
+ "arch-arm/denver/bionic/memmove.S",
+ ],
+ exclude_srcs: [
+ "arch-arm/generic/bionic/memcpy.S",
+ "arch-arm/generic/bionic/memset.S",
+ "arch-arm/generic/bionic/strcmp.S",
+ "arch-arm/generic/bionic/strcpy.S",
+ "arch-arm/generic/bionic/strlen.c",
+ "bionic/__strcat_chk.cpp",
+ "bionic/__strcpy_chk.cpp",
+ ],
+ },
+
+ arm64: {
+ srcs: [
+ "arch-arm64/bionic/__bionic_clone.S",
+ "arch-arm64/bionic/_exit_with_stack_teardown.S",
+ "arch-arm64/bionic/setjmp.S",
+ "arch-arm64/bionic/__set_tls.c",
+ "arch-arm64/bionic/syscall.S",
+ "arch-arm64/bionic/vfork.S",
+
+ "arch-arm64/generic/bionic/memchr.S",
+ "arch-arm64/generic/bionic/memcmp.S",
+ "arch-arm64/generic/bionic/memcpy.S",
+ "arch-arm64/generic/bionic/memmove.S",
+ "arch-arm64/generic/bionic/memset.S",
+ "arch-arm64/generic/bionic/stpcpy.S",
+ "arch-arm64/generic/bionic/strchr.S",
+ "arch-arm64/generic/bionic/strcmp.S",
+ "arch-arm64/generic/bionic/strcpy.S",
+ "arch-arm64/generic/bionic/strlen.S",
+ "arch-arm64/generic/bionic/strncmp.S",
+ "arch-arm64/generic/bionic/strnlen.S",
+ "arch-arm64/generic/bionic/wmemmove.S",
+ ],
+ exclude_srcs: [
+ "bionic/__memcpy_chk.cpp",
+ "bionic/strchr.cpp",
+ "bionic/strnlen.c",
+ ],
+ },
+ denver64: {
+ srcs: [
+ "arch-arm64/denver64/bionic/memcpy.S",
+ "arch-arm64/denver64/bionic/memset.S",
+ ],
+ exclude_srcs: [
+ "arch-arm64/generic/bionic/memcpy.S",
+ "arch-arm64/generic/bionic/memset.S",
+ ],
+ },
+
+ mips: {
+ srcs: [
+ "arch-mips/bionic/__bionic_clone.S",
+ "arch-mips/bionic/bzero.S",
+ "arch-mips/bionic/cacheflush.cpp",
+ "arch-mips/bionic/_exit_with_stack_teardown.S",
+ "arch-mips/bionic/setjmp.S",
+ "arch-mips/bionic/syscall.S",
+ "arch-mips/bionic/vfork.S",
+
+ "arch-mips/string/memcmp.c",
+ "arch-mips/string/memcpy.S",
+ "arch-mips/string/memset.S",
+ "arch-mips/string/strcmp.S",
+ "arch-mips/string/strlen.c",
+ ],
+ },
+ mips_rev6: {
+ srcs: [
+ "arch-mips/string/mips_strlen.c"
+ ],
+ exclude_srcs: [
+ "arch-mips/string/strlen.c"
+ ],
+ },
+
+ mips64: {
+ srcs: [
+ "arch-mips64/bionic/__bionic_clone.S",
+ "arch-mips64/bionic/_exit_with_stack_teardown.S",
+ "arch-mips64/bionic/setjmp.S",
+ "arch-mips64/bionic/syscall.S",
+ "arch-mips64/bionic/vfork.S",
+ "arch-mips64/bionic/stat.cpp",
+
+ "arch-mips/string/memcmp.c",
+ "arch-mips/string/memcpy.S",
+ "arch-mips/string/memset.S",
+ "arch-mips/string/strcmp.S",
+ "arch-mips/string/strlen.c",
+ ],
+ },
+
+ x86: {
+ srcs: [
+ "arch-x86/bionic/__bionic_clone.S",
+ "arch-x86/bionic/_exit_with_stack_teardown.S",
+ "arch-x86/bionic/libgcc_compat.c",
+ "arch-x86/bionic/__restore.S",
+ "arch-x86/bionic/setjmp.S",
+ "arch-x86/bionic/__set_tls.c",
+ "arch-x86/bionic/syscall.S",
+ "arch-x86/bionic/vfork.S",
+
+ "arch-x86/generic/string/memcmp.S",
+ "arch-x86/generic/string/strcmp.S",
+ "arch-x86/generic/string/strncmp.S",
+ "arch-x86/generic/string/strcat.S",
+ "arch-x86/atom/string/sse2-memchr-atom.S",
+ "arch-x86/atom/string/sse2-memrchr-atom.S",
+ "arch-x86/atom/string/sse2-strchr-atom.S",
+ "arch-x86/atom/string/sse2-strnlen-atom.S",
+ "arch-x86/atom/string/sse2-strrchr-atom.S",
+ "arch-x86/atom/string/sse2-wcschr-atom.S",
+ "arch-x86/atom/string/sse2-wcsrchr-atom.S",
+ "arch-x86/atom/string/sse2-wcslen-atom.S",
+ "arch-x86/atom/string/sse2-wcscmp-atom.S",
+ "arch-x86/silvermont/string/sse2-bcopy-slm.S",
+ "arch-x86/silvermont/string/sse2-bzero-slm.S",
+ "arch-x86/silvermont/string/sse2-memcpy-slm.S",
+ "arch-x86/silvermont/string/sse2-memmove-slm.S",
+ "arch-x86/silvermont/string/sse2-memset-slm.S",
+ "arch-x86/silvermont/string/sse2-stpcpy-slm.S",
+ "arch-x86/silvermont/string/sse2-stpncpy-slm.S",
+ "arch-x86/silvermont/string/sse2-strcpy-slm.S",
+ "arch-x86/silvermont/string/sse2-strlen-slm.S",
+ "arch-x86/silvermont/string/sse2-strncpy-slm.S",
+ ],
+ },
+ x86_sse3: {
+ srcs: [
+ "arch-x86/atom/string/ssse3-strncat-atom.S",
+ "arch-x86/atom/string/ssse3-strlcat-atom.S",
+ "arch-x86/atom/string/ssse3-strlcpy-atom.S",
+ "arch-x86/atom/string/ssse3-strcmp-atom.S",
+ "arch-x86/atom/string/ssse3-strncmp-atom.S",
+ "arch-x86/atom/string/ssse3-strcat-atom.S",
+ "arch-x86/atom/string/ssse3-wcscat-atom.S",
+ "arch-x86/atom/string/ssse3-wcscpy-atom.S",
+ ],
+ exclude_srcs: [
+ "arch-x86/generic/string/strcmp.S",
+ "arch-x86/generic/string/strncmp.S",
+ "arch-x86/generic/string/strcat.S",
+ ],
+ },
+ x86_sse4: {
+ srcs: [
+ "arch-x86/silvermont/string/sse4-memcmp-slm.S",
+ "arch-x86/silvermont/string/sse4-wmemcmp-slm.S",
+ ],
+ exclude_srcs: [
+ "arch-x86/generic/string/memcmp.S",
+ ],
+ },
+
+
+ x86_64: {
+ clang: use_clang_x86_64,
+ srcs: [
+ "arch-x86_64/bionic/__bionic_clone.S",
+ "arch-x86_64/bionic/_exit_with_stack_teardown.S",
+ "arch-x86_64/bionic/__restore_rt.S",
+ "arch-x86_64/bionic/setjmp.S",
+ "arch-x86_64/bionic/__set_tls.c",
+ "arch-x86_64/bionic/syscall.S",
+ "arch-x86_64/bionic/vfork.S",
+
+ "arch-x86_64/string/sse2-memcpy-slm.S",
+ "arch-x86_64/string/sse2-memmove-slm.S",
+ "arch-x86_64/string/sse2-memset-slm.S",
+ "arch-x86_64/string/sse2-stpcpy-slm.S",
+ "arch-x86_64/string/sse2-stpncpy-slm.S",
+ "arch-x86_64/string/sse2-strcat-slm.S",
+ "arch-x86_64/string/sse2-strcpy-slm.S",
+ "arch-x86_64/string/sse2-strlcat-slm.S",
+ "arch-x86_64/string/sse2-strlcpy-slm.S",
+ "arch-x86_64/string/sse2-strlen-slm.S",
+ "arch-x86_64/string/sse2-strncat-slm.S",
+ "arch-x86_64/string/sse2-strncpy-slm.S",
+ "arch-x86_64/string/sse4-memcmp-slm.S",
+ "arch-x86_64/string/ssse3-strcmp-slm.S",
+ "arch-x86_64/string/ssse3-strncmp-slm.S",
+ ],
+ },
+
+ },
+ multilib: {
+ lib32: {
+ // LP32 cruft
+ srcs: ["bionic/mmap.cpp"]
+ },
+ },
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags + ["-Wold-style-cast"],
+ product_variables: libc_common_product_variables,
+ local_include_dirs: ["stdio"],
+ include_dirs: ["bionic/libstdc++/include"],
+ name: "libc_bionic_ndk",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+}
+
+cc_library_static {
+ name: "libc_thread_atexit_impl",
+ srcs: ["bionic/__cxa_thread_atexit_impl.cpp"],
+ cflags: libc_common_cflags + ["-Wframe-larger-than=2048"],
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags + ["-Wold-style-cast"],
+ product_variables: libc_common_product_variables,
+ include_dirs: ["bionic/libstdc++/include"],
+ // TODO: Clang tries to use __tls_get_addr which is not supported yet
+ // remove after it is implemented.
+ clang: false,
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+}
+
+// ========================================================
+// libc_pthread.a - pthreads parts that previously lived in
+// libc_bionic.a. Relocated to their own library because
+// they can't be included in libc_ndk.a (as they layout of
+// pthread_t has changed over the years and has ABI
+// compatibility issues).
+// ========================================================
+
+cc_library_static {
+ srcs: [
+ "bionic/pthread_atfork.cpp",
+ "bionic/pthread_attr.cpp",
+ "bionic/pthread_cond.cpp",
+ "bionic/pthread_create.cpp",
+ "bionic/pthread_detach.cpp",
+ "bionic/pthread_equal.cpp",
+ "bionic/pthread_exit.cpp",
+ "bionic/pthread_getcpuclockid.cpp",
+ "bionic/pthread_getschedparam.cpp",
+ "bionic/pthread_gettid_np.cpp",
+ "bionic/pthread_internal.cpp",
+ "bionic/pthread_join.cpp",
+ "bionic/pthread_key.cpp",
+ "bionic/pthread_kill.cpp",
+ "bionic/pthread_mutex.cpp",
+ "bionic/pthread_once.cpp",
+ "bionic/pthread_rwlock.cpp",
+ "bionic/pthread_self.cpp",
+ "bionic/pthread_setname_np.cpp",
+ "bionic/pthread_setschedparam.cpp",
+ "bionic/pthread_sigmask.cpp",
+ ],
+ cflags: libc_common_cflags + ["-Wframe-larger-than=2048"],
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags + ["-Wold-style-cast"],
+ product_variables: libc_common_product_variables,
+ include_dirs: ["bionic/libstdc++/include"],
+ name: "libc_pthread",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+}
+
+// ========================================================
+// libc_cxa.a - Things traditionally in libstdc++
+// ========================================================
+
+cc_library_static {
+ srcs: [
+ "bionic/__cxa_guard.cpp",
+ "bionic/__cxa_pure_virtual.cpp",
+ "bionic/new.cpp",
+ ],
+ cflags: libc_common_cflags + ["-fvisibility=hidden"],
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ include_dirs: ["bionic/libstdc++/include"],
+ name: "libc_cxa",
+ clang: true, // GCC refuses to hide new/delete
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ // b/17574078: Need to disable coverage until we have a prebuilt libprofile_rt.
+ // Since this is a static library built with clang, it needs to link
+ // libprofile_rt when it is linked into the final binary. Since the final binary
+ // is built with GCC, it won't link libprofile_rt. We can't very easily just add
+ // libprofile_rt to all link lines the way we've done for libgcov because
+ // libprofile_rt isn't prebuilt, and it would be tricky to write a rule that
+ // would make sure libprofile_rt is built.
+ native_coverage: false,
+}
+
+// ========================================================
+// libc_syscalls.a
+// ========================================================
+
+cc_library_static {
+ arch: {
+ arm: {
+ srcs: ["arch-arm/syscalls/**/*.S"],
+ },
+ arm64: {
+ srcs: ["arch-arm64/syscalls/**/*.S"],
+ },
+ mips: {
+ srcs: ["arch-mips/syscalls/**/*.S"],
+ },
+ mips64: {
+ srcs: ["arch-mips64/syscalls/**/*.S"],
+ },
+ x86: {
+ srcs: ["arch-x86/syscalls/**/*.S"],
+ },
+ x86_64: {
+ clang: use_clang_x86_64,
+ srcs: ["arch-x86_64/syscalls/**/*.S"],
+ },
+ },
+ name: "libc_syscalls",
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+}
+
+// ========================================================
+// libc_aeabi.a
+// This is an LP32 ARM-only library that needs to be built with -fno-builtin
+// to avoid infinite recursion. For the other architectures we just build an
+// empty library to keep this makefile simple.
+// ========================================================
+
+cc_library_static {
+ arch: {
+ arm: {
+ srcs: ["arch-arm/bionic/__aeabi.c"],
+ },
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+ name: "libc_aeabi",
+ cflags: libc_common_cflags + ["-fno-builtin"],
+ product_variables: libc_common_product_variables,
+
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+}
+
+// ========================================================
+// libc_ndk.a
+// Compatibility library for the NDK. This library contains
+// all the parts of libc that are safe to statically link.
+// We can't safely statically link things that can only run
+// on a certain version of the OS. Examples include
+// anything that talks to netd (a large portion of the DNS
+// code) and anything that is dependent on the layout of a
+// data structure that has changed across releases (such as
+// pthread_t).
+// ========================================================
+
+cc_library_static {
+ name: "libc_ndk",
+ srcs: libc_common_src_files + ["bionic/malloc_debug_common.cpp"],
+ multilib: {
+ lib32: {
+ srcs: libc_common_src_files_32,
+ },
+ },
+ arch: {
+ arm: {
+ srcs: [
+ "arch-arm/bionic/exidx_dynamic.c",
+ "arch-common/bionic/crtbegin_so.c",
+ "arch-arm/bionic/atexit_legacy.c",
+ "arch-common/bionic/crtend_so.S",
+ ],
+ whole_static_libs: ["libc_aeabi"],
+ },
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+
+ cflags: libc_common_cflags + [
+ "-fvisibility=hidden",
+ "-DLIBC_STATIC",
+ ],
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+
+ whole_static_libs: [
+ "libc_bionic_ndk",
+ "libc_cxa",
+ "libc_freebsd",
+ "libc_gdtoa",
+ "libc_malloc",
+ "libc_netbsd",
+ "libc_openbsd_ndk",
+ "libc_stack_protector",
+ "libc_syscalls",
+ "libc_tzcode",
+ "libm",
+ ],
+
+ stl: "none",
+ system_shared_libs: [],
+
+ // TODO: split out the asflags.
+ asflags: libc_common_cflags,
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+}
+
+// ========================================================
+// libc_common.a
+// ========================================================
+
+cc_library_static {
+ srcs: libc_common_src_files,
+ multilib: {
+ lib32: {
+ srcs: libc_common_src_files_32,
+ },
+ },
+ cflags: libc_common_cflags,
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ name: "libc_common",
+
+ whole_static_libs: [
+ "libc_bionic",
+ "libc_bionic_ndk",
+ "libc_cxa",
+ "libc_dns",
+ "libc_freebsd",
+ "libc_gdtoa",
+ "libc_malloc",
+ "libc_netbsd",
+ "libc_openbsd",
+ "libc_openbsd_ndk",
+ "libc_pthread",
+ "libc_stack_protector",
+ "libc_syscalls",
+ "libc_thread_atexit_impl",
+ "libc_tzcode",
+ ],
+
+ arch: {
+ arm: {
+ whole_static_libs: ["libc_aeabi"],
+ },
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+
+ stl: "none",
+ system_shared_libs: [],
+
+ // TODO: split out the asflags.
+ asflags: libc_common_cflags,
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+}
+
+// ========================================================
+// libc_nomalloc.a
+// ========================================================
+//
+// This is a version of the static C library that does not
+// include malloc. It's useful in situations when the user wants
+// to provide their own malloc implementation, or wants to
+// explicitly disallow the use of malloc, such as in the
+// dynamic linker.
+
+cc_library_static {
+ srcs: [
+ "bionic/dl_iterate_phdr_static.cpp",
+ "bionic/libc_init_static.cpp",
+ ],
+
+ arch: {
+ arm: {
+ srcs: ["arch-arm/bionic/exidx_static.c"],
+ },
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+
+ cflags: libc_common_cflags + ["-DLIBC_STATIC"],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+
+ name: "libc_nomalloc",
+
+ whole_static_libs: ["libc_common"],
+ stl: "none",
+ system_shared_libs: [],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+}
+
+// ========================================================
+// libc_malloc.a: the _prefixed_ malloc functions (like dlcalloc).
+// ========================================================
+cc_library_static {
+ product_variables: libc_common_product_variables + {
+ device_uses_jemalloc: {
+ srcs: ["bionic/jemalloc_wrapper.cpp"],
+ whole_static_libs: ["libjemalloc"],
+ },
+ device_uses_dlmalloc: {
+ srcs: ["bionic/dlmalloc.c"],
+ },
+ },
+ cflags: libc_common_cflags + ["-fvisibility=hidden"],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ name: "libc_malloc",
+ stl: "none",
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+}
+
+// ========================================================
+// libc.a + libc.so
+// ========================================================
+cc_library {
+ name: "libc",
+ cflags: libc_common_cflags,
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables + {
+ platform_sdk_version: {
+ asflags: ["-DPLATFORM_SDK_VERSION=%d"],
+ },
+ },
+ srcs: ["bionic/malloc_debug_common.cpp"],
+ static: {
+ srcs: [
+ "bionic/dl_iterate_phdr_static.cpp",
+ "bionic/libc_init_static.cpp",
+ ],
+ cflags: ["-DLIBC_STATIC"],
+ },
+ shared: {
+ srcs: [
+ "arch-common/bionic/crtbegin_so.c",
+ "arch-common/bionic/crtbrand.S",
+ "bionic/libc_init_dynamic.cpp",
+ "bionic/NetdClient.cpp",
+ "arch-common/bionic/crtend_so.S",
+ ],
+ },
+
+ required: ["tzdata"],
+
+ // Leave the symbols in the shared library so that stack unwinders can produce
+ // meaningful name resolution.
+ strip: "keep_symbols",
+
+ // WARNING: The only library libc.so should depend on is libdl.so! If you add other libraries,
+ // make sure to add -Wl,--exclude-libs=libgcc.a to the LOCAL_LDFLAGS for those libraries. This
+ // ensures that symbols that are pulled into those new libraries from libgcc.a are not declared
+ // external; if that were the case, then libc would not pull those symbols from libgcc.a as it
+ // should, instead relying on the external symbols from the dependent libraries. That would
+ // create a "cloaked" dependency on libgcc.a in libc though the libraries, which is not what
+ // you wanted!
+
+ shared_libs: ["libdl"],
+ whole_static_libs: ["libc_common"],
+ stl: "none",
+ system_shared_libs: [],
+
+ // Don't re-export new/delete and friends, even if the compiler really wants to.
+ version_script: "libc.map",
+
+ // We'd really like to do this for all architectures, but since this wasn't done
+ // before, these symbols must continue to be exported on LP32 for binary
+ // compatibility.
+ multilib: {
+ lib64: {
+ ldflags: ["-Wl,--exclude-libs,libgcc.a"],
+ },
+ },
+
+ nocrt: true,
+
+ // special for arm
+ arch: {
+ arm: {
+ //TODO: This is to work around b/19059885. Remove after root cause is fixed
+ ldflags: ["-Wl,--hash-style=both"],
+
+ shared: {
+ srcs: ["arch-arm/bionic/exidx_dynamic.c"],
+ },
+ static: {
+ srcs: ["arch-arm/bionic/exidx_static.c"],
+ },
+ cflags: ["-DCRT_LEGACY_WORKAROUND"],
+ srcs: [
+ "arch-arm/bionic/atexit_legacy.c",
+ ],
+ },
+ x86: {
+ //TODO: This is to work around b/19059885. Remove after root cause is fixed
+ ldflags: ["-Wl,--hash-style=both"],
+ },
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+}
+
+// For all builds, except for the -user build we will enable memory
+// allocation checking (including memory leaks, buffer overwrites, etc.)
+// Note that all these checks are also controlled by env. settings
+// that can enable, or disable specific checks. Note also that some of
+// the checks are available only in emulator and are implemeted in
+// libc_malloc_qemu_instrumented.so.
+// ANDROIDMK TRANSLATION ERROR: unsupported directive
+// ifneq ($(TARGET_BUILD_VARIANT),user)
+// ========================================================
+// libc_malloc_debug_leak.so
+// ========================================================
+cc_library_shared {
+ cflags: libc_common_cflags,
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+
+ srcs: [
+ "bionic/debug_backtrace.cpp",
+ "bionic/debug_mapinfo.cpp",
+ "bionic/libc_logging.cpp",
+ "bionic/malloc_debug_leak.cpp",
+ "bionic/malloc_debug_check.cpp",
+ ],
+
+ name: "libc_malloc_debug_leak",
+
+ shared_libs: [
+ "libc",
+ "libdl",
+ ],
+ stl: "none",
+ system_shared_libs: [],
+ // Only need this for arm since libc++ uses its own unwind code that
+ // doesn't mix with the other default unwind code.
+ arch: {
+ arm: {
+ static_libs: [
+ "libunwind_llvm",
+ "libc++abi",
+ ],
+ ldflags: ["-Wl,--exclude-libs,libunwind_llvm.a"],
+ },
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+ allow_undefined_symbols: true,
+
+ // Don't re-export new/delete and friends, even if the compiler really wants to.
+ version_script: "version_script.txt",
+
+ // Don't install on release build
+ tags: [
+ "eng",
+ "debug",
+ ],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+}
+
+// ========================================================
+// libc_malloc_debug_qemu.so
+// ========================================================
+cc_library_shared {
+ cflags: libc_common_cflags + ["-DMALLOC_QEMU_INSTRUMENT"],
+
+ conlyflags: libc_common_conlyflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+
+ srcs: [
+ "bionic/libc_logging.cpp",
+ "bionic/malloc_debug_qemu.cpp",
+ ],
+
+ name: "libc_malloc_debug_qemu",
+
+ shared_libs: [
+ "libc",
+ "libdl",
+ ],
+ stl: "none",
+ system_shared_libs: [],
+
+ // Don't re-export new/delete and friends, even if the compiler really wants to.
+ version_script: "version_script.txt",
+
+ // Don't install on release build
+ tags: [
+ "eng",
+ "debug",
+ ],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+ arch: {
+ x86_64: {
+ clang: use_clang_x86_64,
+ },
+ },
+}
+
+// ANDROIDMK TRANSLATION ERROR: unsupported directive
+// endif
+//!user
+
+// ========================================================
+// libstdc++.so + libstdc++.a
+// ========================================================
+cc_library {
+ include_dirs: ["bionic/libstdc++/include"],
+ cflags: libc_common_cflags,
+ cppflags: libc_common_cppflags,
+ product_variables: libc_common_product_variables,
+ srcs: [
+ "bionic/__cxa_guard.cpp",
+ "bionic/__cxa_pure_virtual.cpp",
+ "bionic/new.cpp",
+ "bionic/libc_logging.cpp",
+ ],
+ name: "libstdc++",
+
+ stl: "none",
+ system_shared_libs: ["libc"],
+ sanitize: ["never"],
+ native_coverage: bionic_coverage,
+
+ //TODO: This is to work around b/19059885. Remove after root cause is fixed
+ arch: {
+ arm: {
+ ldflags: ["-Wl,--hash-style=both"],
+ },
+ x86: {
+ ldflags: ["-Wl,--hash-style=both"],
+ },
+ },
+}
+
+crt_arch_flags = {
+ arm: {
+ local_include_dirs: ["arch-arm/include"],
+ cflags: ["-mthumb-interwork"],
+ },
+ arm64: {
+ local_include_dirs: ["arch-arm64/include"],
+ },
+ mips: {
+ local_include_dirs: ["arch-mips/include"],
+ ldflags: ["-melf32ltsmip"],
+ },
+ mips64: {
+ local_include_dirs: ["arch-mips64/include"],
+ ldflags: ["-melf64ltsmip"],
+ },
+ x86: {
+ cflags: ["-m32"],
+ ldflags: ["-melf_i386"],
+ local_include_dirs: ["arch-x86/include"],
+ },
+ x86_64: {
+ cflags: ["-m64"],
+ ldflags: ["-melf_x86_64"],
+ local_include_dirs: ["arch-x86_64/include"],
+ },
+}
+
+crt_arch_so_flags = crt_arch_flags + {
+ mips: {
+ cflags: ["-fPIC"],
+ },
+ mips64: {
+ cflags: ["-fPIC"],
+ },
+ x86: {
+ cflags: ["-fPIC"],
+ },
+ x86_64: {
+ cflags: ["-fPIC"],
+ },
+}
+
+// Android.mk:start
+// # crt obj files
+// # ========================================================
+// # crtbrand.c needs <stdint.h> and a #define for the platform SDK version.
+// libc_crt_target_cflags := \
+// -I$(LOCAL_PATH)/include \
+// -DPLATFORM_SDK_VERSION=$(PLATFORM_SDK_VERSION) \
+//
+// my_2nd_arch_prefix :=
+// include $(LOCAL_PATH)/arch-$(TARGET_ARCH)/$(TARGET_ARCH).mk
+// include $(LOCAL_PATH)/crt.mk
+// ifdef TARGET_2ND_ARCH
+// my_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
+// include $(LOCAL_PATH)/arch-$(TARGET_2ND_ARCH)/$(TARGET_2ND_ARCH).mk
+// include $(LOCAL_PATH)/crt.mk
+// my_2nd_arch_prefix :=
+// endif
+//
+// include $(call all-makefiles-under,$(LOCAL_PATH))
+// Android.mk:end
+cc_object {
+ name: "crtbrand",
+ local_include_dirs: ["include"],
+ product_variables: {
+ platform_sdk_version: {
+ asflags: ["-DPLATFORM_SDK_VERSION=%d"],
+ },
+ },
+ srcs: ["arch-common/bionic/crtbrand.S"],
+ no_default_compiler_flags: true,
+
+ arch: crt_arch_so_flags,
+}
+
+// Android.mk:ignore
+cc_object {
+ name: "crtbegin_so1",
+ local_include_dirs: ["include"],
+ srcs: ["arch-common/bionic/crtbegin_so.c"],
+ no_default_compiler_flags: true,
+
+ arch: crt_arch_so_flags,
+}
+
+// Android.mk:ignore
+cc_object {
+ name: "crtbegin_so",
+ no_default_compiler_flags: true,
+
+ arch: crt_arch_so_flags,
+ deps: [
+ "crtbegin_so1",
+ "crtbrand",
+ ],
+}
+
+// Android.mk:ignore
+cc_object {
+ name: "crtend_so",
+ local_include_dirs: ["include"],
+ srcs: ["arch-common/bionic/crtend_so.S"],
+ no_default_compiler_flags: true,
+
+ arch: crt_arch_so_flags,
+}
+
+// Android.mk:ignore
+cc_object {
+ name: "crtbegin_static1",
+ local_include_dirs: ["include"],
+ srcs: ["arch-common/bionic/crtbegin.c"],
+ no_default_compiler_flags: true,
+
+ arch: crt_arch_flags + {
+ arm64: {
+ srcs: [
+ "arch-arm64/bionic/crtbegin.c",
+ ],
+ exclude_srcs: [
+ "arch-common/bionic/crtbegin.c",
+ ],
+ },
+ mips: {
+ srcs: [
+ "arch-mips/bionic/crtbegin.c",
+ ],
+ exclude_srcs: [
+ "arch-common/bionic/crtbegin.c",
+ ],
+ },
+ mips64: {
+ srcs: [
+ "arch-mips64/bionic/crtbegin.c",
+ ],
+ exclude_srcs: [
+ "arch-common/bionic/crtbegin.c",
+ ],
+ },
+ },
+}
+
+// Android.mk:ignore
+cc_object {
+ name: "crtbegin_static",
+ no_default_compiler_flags: true,
+
+ arch: crt_arch_flags,
+ deps: [
+ "crtbegin_static1",
+ "crtbrand",
+ ],
+}
+
+// Android.mk:ignore
+cc_object {
+ name: "crtbegin_dynamic1",
+ local_include_dirs: ["include"],
+ srcs: ["arch-common/bionic/crtbegin.c"],
+ no_default_compiler_flags: true,
+
+ arch: crt_arch_flags + {
+ arm64: {
+ srcs: [
+ "arch-arm64/bionic/crtbegin.c",
+ ],
+ exclude_srcs: [
+ "arch-common/bionic/crtbegin.c",
+ ],
+ },
+ mips: {
+ srcs: [
+ "arch-mips/bionic/crtbegin.c",
+ ],
+ exclude_srcs: [
+ "arch-common/bionic/crtbegin.c",
+ ],
+ },
+ mips64: {
+ srcs: [
+ "arch-mips64/bionic/crtbegin.c",
+ ],
+ exclude_srcs: [
+ "arch-common/bionic/crtbegin.c",
+ ],
+ },
+ },
+}
+
+// Android.mk:ignore
+cc_object {
+ name: "crtbegin_dynamic",
+ no_default_compiler_flags: true,
+
+ arch: crt_arch_flags,
+ deps: [
+ "crtbegin_dynamic1",
+ "crtbrand",
+ ],
+}
+
+// Android.mk:ignore
+cc_object {
+ // We rename crtend.o to crtend_android.o to avoid a
+ // name clash between gcc and bionic.
+ name: "crtend_android",
+ local_include_dirs: ["include"],
+ srcs: ["arch-common/bionic/crtend.S"],
+ no_default_compiler_flags: true,
+
+ arch: crt_arch_flags,
+}
diff --git a/libc/Android.mk b/libc/Android.mk
index a8c66fa..175fbb4 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -250,10 +250,11 @@
# dereferences.
libc_bionic_src_files += bionic/getauxval.cpp
-# These three require getauxval, which isn't available on older platforms.
+# These four require getauxval, which isn't available on older platforms.
libc_bionic_src_files += bionic/getentropy_linux.c
libc_bionic_src_files += bionic/sysconf.cpp
libc_bionic_src_files += bionic/vdso.cpp
+libc_bionic_src_files += bionic/setjmp_cookie.cpp
libc_cxa_src_files := \
bionic/__cxa_guard.cpp \
@@ -347,7 +348,7 @@
$(libc_upstream_openbsd_gdtoa_src_files) \
upstream-openbsd/lib/libc/gdtoa/strtorQ.c \
-# These two depend on getentropy_linux.cpp, which isn't in libc_ndk.a.
+# These two depend on getentropy_linux.c, which isn't in libc_ndk.a.
libc_upstream_openbsd_src_files := \
upstream-openbsd/lib/libc/crypt/arc4random.c \
upstream-openbsd/lib/libc/crypt/arc4random_uniform.c \
diff --git a/libc/arch-arm/bionic/setjmp.S b/libc/arch-arm/bionic/setjmp.S
index 8220c08..a119529 100644
--- a/libc/arch-arm/bionic/setjmp.S
+++ b/libc/arch-arm/bionic/setjmp.S
@@ -51,13 +51,13 @@
// The internal structure of a jmp_buf is totally private.
// Current layout (may change in the future):
//
-// word name description
-// 0 magic magic number
-// 1 sigmask signal mask (not used with _setjmp / _longjmp)
-// 2 float_base base of float registers (d8 to d15)
-// 18 float_state floating-point status and control register
-// 19 core_base base of core registers (r4 to r14)
-// 30 reserved reserved entries (room to grow)
+// word name description
+// 0 sigflag/cookie setjmp cookie in top 31 bits, signal mask flag in low bit
+// 1 sigmask signal mask (not used with _setjmp / _longjmp)
+// 2 float_base base of float registers (d8 to d15)
+// 18 float_state floating-point status and control register
+// 19 core_base base of core registers (r4 to r14)
+// 30 reserved reserved entries (room to grow)
// 64
//
// NOTE: float_base must be at an even word index, since the
@@ -80,33 +80,79 @@
b sigsetjmp
END(_setjmp)
+#define MANGLE_REGISTERS 1
+.macro m_mangle_registers reg
+#if MANGLE_REGISTERS
+ eor r4, r4, \reg
+ eor r5, r5, \reg
+ eor r6, r6, \reg
+ eor r7, r7, \reg
+ eor r8, r8, \reg
+ eor r9, r9, \reg
+ eor r10, r10, \reg
+ eor r11, r11, \reg
+ eor r12, r12, \reg
+ eor r13, r13, \reg
+ eor r14, r14, \reg
+#endif
+.endm
+
+.macro m_unmangle_registers reg
+ m_mangle_registers \reg
+.endm
+
// int sigsetjmp(sigjmp_buf env, int save_signal_mask);
ENTRY(sigsetjmp)
- // Record whether or not we're saving the signal mask.
+ stmfd sp!, {r0, lr}
+ .cfi_def_cfa_offset 8
+ .cfi_rel_offset r0, 0
+ .cfi_rel_offset lr, 4
+
+ mov r0, r1
+ bl __bionic_setjmp_cookie_get
+ mov r1, r0
+
+ ldmfd sp, {r0}
+
+ // Save the setjmp cookie for later.
+ bic r2, r1, #1
+ stmfd sp!, {r2}
+ .cfi_adjust_cfa_offset 4
+
+ // Record the setjmp cookie and whether or not we're saving the signal mask.
str r1, [r0, #(_JB_SIGFLAG * 4)]
// Do we need to save the signal mask?
- teq r1, #0
+ tst r1, #1
beq 1f
- // Get current signal mask.
- stmfd sp!, {r0, r14}
- .cfi_def_cfa_offset 8
- .cfi_rel_offset r0, 0
- .cfi_rel_offset r14, 4
- mov r0, #0
- bl sigblock
- mov r1, r0
- ldmfd sp!, {r0, r14}
- .cfi_def_cfa_offset 0
+ // Align the stack.
+ sub sp, #4
+ .cfi_adjust_cfa_offset 4
- // Save the signal mask.
- str r1, [r0, #(_JB_SIGMASK * 4)]
+ // Save the current signal mask.
+ add r2, r0, #(_JB_SIGMASK * 4)
+ mov r0, #2 // SIG_SETMASK
+ mov r1, #0
+ bl sigprocmask
+
+ // Unalign the stack.
+ add sp, #4
+ .cfi_adjust_cfa_offset -4
1:
+ ldmfd sp!, {r2}
+ .cfi_adjust_cfa_offset -4
+ ldmfd sp!, {r0, lr}
+ .cfi_adjust_cfa_offset -8
+ .cfi_restore r0
+ .cfi_restore lr
+
// Save core registers.
add r1, r0, #(_JB_CORE_BASE * 4)
+ m_mangle_registers r2
stmia r1, {r4-r14}
+ m_unmangle_registers r2
// Save floating-point registers.
add r1, r0, #(_JB_FLOAT_BASE * 4)
@@ -122,29 +168,30 @@
// void siglongjmp(sigjmp_buf env, int value);
ENTRY(siglongjmp)
- // Do we need to restore the signal mask?
- ldr r2, [r0, #(_JB_SIGFLAG * 4)]
- teq r2, #0
- beq 1f
-
- // Restore the signal mask.
- stmfd sp!, {r0, r1, r14}
+ stmfd sp!, {r0, r1, lr}
.cfi_def_cfa_offset 12
.cfi_rel_offset r0, 0
.cfi_rel_offset r1, 4
- .cfi_rel_offset r14, 8
- sub sp, sp, #4 // Align the stack.
- .cfi_adjust_cfa_offset 4
+ .cfi_rel_offset lr, 8
+ // Fetch the signal flag.
+ ldr r1, [r0, #(_JB_SIGFLAG * 4)]
+
+ // Do we need to restore the signal mask?
+ ands r1, r1, #1
+ beq 1f
+
+ // Restore the signal mask.
ldr r0, [r0, #(_JB_SIGMASK * 4)]
bl sigsetmask
- add sp, sp, #4 // Unalign the stack.
- .cfi_adjust_cfa_offset -4
- ldmfd sp!, {r0, r1, r14}
- .cfi_def_cfa_offset 0
-
1:
+ ldmfd sp!, {r0, r1, lr}
+ .cfi_adjust_cfa_offset -12
+ .cfi_restore r0
+ .cfi_restore r1
+ .cfi_restore lr
+
// Restore floating-point registers.
add r2, r0, #(_JB_FLOAT_BASE * 4)
vldmia r2, {d8-d15}
@@ -154,16 +201,24 @@
fmxr fpscr, r2
// Restore core registers.
+ ldr r3, [r0, #(_JB_SIGFLAG * 4)]
+ bic r3, r3, #1
add r2, r0, #(_JB_CORE_BASE * 4)
ldmia r2, {r4-r14}
+ m_unmangle_registers r3
- // Validate sp and r14.
- teq sp, #0
- teqne r14, #0
- bleq longjmperror
+ // Save the return value/address and check the setjmp cookie.
+ stmfd sp!, {r1, lr}
+ .cfi_adjust_cfa_offset 8
+ .cfi_rel_offset lr, 4
+ mov r0, r3
+ bl __bionic_setjmp_cookie_check
- // Set return value.
- mov r0, r1
+ // Restore return value/address.
+ ldmfd sp!, {r0, lr}
+ .cfi_adjust_cfa_offset -8
+ .cfi_restore lr
+
teq r0, #0
moveq r0, #1
bx lr
diff --git a/libc/arch-arm64/bionic/setjmp.S b/libc/arch-arm64/bionic/setjmp.S
index ba0a226..c06a671 100644
--- a/libc/arch-arm64/bionic/setjmp.S
+++ b/libc/arch-arm64/bionic/setjmp.S
@@ -52,6 +52,29 @@
#define _JB_D10_D11 (_JB_D12_D13 + 2)
#define _JB_D8_D9 (_JB_D10_D11 + 2)
+#define MANGLE_REGISTERS 1
+.macro m_mangle_registers reg, sp_reg
+#if MANGLE_REGISTERS
+ eor x19, x19, \reg
+ eor x20, x20, \reg
+ eor x21, x21, \reg
+ eor x22, x22, \reg
+ eor x23, x23, \reg
+ eor x24, x24, \reg
+ eor x25, x25, \reg
+ eor x26, x26, \reg
+ eor x27, x27, \reg
+ eor x28, x28, \reg
+ eor x29, x29, \reg
+ eor x30, x30, \reg
+ eor \sp_reg, \sp_reg, \reg
+#endif
+.endm
+
+.macro m_unmangle_registers reg, sp_reg
+ m_mangle_registers \reg, sp_reg=\sp_reg
+.endm
+
ENTRY(setjmp)
mov w1, #1
b sigsetjmp
@@ -64,23 +87,47 @@
// int sigsetjmp(sigjmp_buf env, int save_signal_mask);
ENTRY(sigsetjmp)
- // Record whether or not we're saving the signal mask.
- str w1, [x0, #(_JB_SIGFLAG * 8)]
+ stp x0, x30, [sp, #-16]!
+ .cfi_def_cfa_offset 16
+ .cfi_rel_offset x0, 0
+ .cfi_rel_offset x30, 8
+
+ // Get the cookie and store it along with the signal flag.
+ mov x0, x1
+ bl __bionic_setjmp_cookie_get
+ mov x1, x0
+ ldr x0, [sp, #0]
+ str x1, [x0, #(_JB_SIGFLAG * 8)]
// Do we need to save the signal mask?
- cbz w1, 1f
+ tbz w1, #0, 1f
+
+ // Save the cookie for later.
+ stp x1, xzr, [sp, #-16]!
+ .cfi_adjust_cfa_offset 16
// Save current signal mask.
- stp x0, x30, [sp, #-16]!
// The 'how' argument is ignored if new_mask is NULL.
mov x1, #0 // NULL.
add x2, x0, #(_JB_SIGMASK * 8) // old_mask.
bl sigprocmask
- ldp x0, x30, [sp], #16
+
+ ldp x1, xzr, [sp], #16
+ .cfi_adjust_cfa_offset -16
1:
+ // Restore original x0 and lr.
+ ldp x0, x30, [sp], #16
+ .cfi_adjust_cfa_offset -16
+ .cfi_restore x0
+ .cfi_restore x30
+
+ // Mask off the signal flag bit.
+ bic x1, x1, #1
+
// Save core registers.
mov x10, sp
+ m_mangle_registers x1, sp_reg=x10
stp x30, x10, [x0, #(_JB_X30_SP * 8)]
stp x28, x29, [x0, #(_JB_X28_X29 * 8)]
stp x26, x27, [x0, #(_JB_X26_X27 * 8)]
@@ -88,6 +135,7 @@
stp x22, x23, [x0, #(_JB_X22_X23 * 8)]
stp x20, x21, [x0, #(_JB_X20_X21 * 8)]
str x19, [x0, #(_JB_X19 * 8)]
+ m_unmangle_registers x1, sp_reg=x10
// Save floating point registers.
stp d14, d15, [x0, #(_JB_D14_D15 * 8)]
@@ -102,30 +150,60 @@
// void siglongjmp(sigjmp_buf env, int value);
ENTRY(siglongjmp)
// Do we need to restore the signal mask?
- ldr w9, [x0, #(_JB_SIGFLAG * 8)]
- cbz w9, 1f
+ ldr x2, [x0, #(_JB_SIGFLAG * 8)]
+ tbz w2, #0, 1f
+
+ stp x0, x30, [sp, #-16]!
+ .cfi_adjust_cfa_offset 16
+ .cfi_rel_offset x0, 0
+ .cfi_rel_offset x30, 8
// Restore signal mask.
- stp x0, x30, [sp, #-16]!
mov x19, x1 // Save 'value'.
+
mov x2, x0
mov x0, #2 // SIG_SETMASK
add x1, x2, #(_JB_SIGMASK * 8) // new_mask.
mov x2, #0 // NULL.
bl sigprocmask
mov x1, x19 // Restore 'value'.
- ldp x0, x30, [sp], #16
+ // Restore original x0 and lr.
+ ldp x0, x30, [sp], #16
+ .cfi_adjust_cfa_offset -16
+ .cfi_restore x0
+ .cfi_restore x30
+
+ ldr x2, [x0, #(_JB_SIGFLAG * 8)]
1:
// Restore core registers.
+ bic x2, x2, #1
ldp x30, x10, [x0, #(_JB_X30_SP * 8)]
- mov sp, x10
ldp x28, x29, [x0, #(_JB_X28_X29 * 8)]
ldp x26, x27, [x0, #(_JB_X26_X27 * 8)]
ldp x24, x25, [x0, #(_JB_X24_X25 * 8)]
ldp x22, x23, [x0, #(_JB_X22_X23 * 8)]
ldp x20, x21, [x0, #(_JB_X20_X21 * 8)]
ldr x19, [x0, #(_JB_X19 * 8)]
+ m_unmangle_registers x2, sp_reg=x10
+ mov sp, x10
+
+ stp x0, x1, [sp, #-16]!
+ .cfi_adjust_cfa_offset 16
+ .cfi_rel_offset x0, 0
+ .cfi_rel_offset x1, 8
+ stp x30, xzr, [sp, #-16]!
+ .cfi_adjust_cfa_offset 16
+ .cfi_rel_offset x30, 0
+ ldr x0, [x0, #(_JB_SIGFLAG * 8)]
+ bl __bionic_setjmp_cookie_check
+ ldp x30, xzr, [sp], #16
+ .cfi_adjust_cfa_offset -16
+ .cfi_restore x30
+ ldp x0, x1, [sp], #16
+ .cfi_adjust_cfa_offset -16
+ .cfi_restore x0
+ .cfi_restore x1
// Restore floating point registers.
ldp d14, d15, [x0, #(_JB_D14_D15 * 8)]
@@ -133,13 +211,6 @@
ldp d10, d11, [x0, #(_JB_D10_D11 * 8)]
ldp d8, d9, [x0, #(_JB_D8_D9 * 8)]
- // Validate sp (sp mod 16 = 0) and lr (lr mod 4 = 0).
- tst x30, #3
- b.ne longjmperror
- mov x10, sp
- tst x10, #15
- b.ne longjmperror
-
// Set return value.
cmp w1, wzr
csinc w0, w1, wzr, ne
diff --git a/libc/arch-x86/bionic/setjmp.S b/libc/arch-x86/bionic/setjmp.S
index 18ad810..8a2f30c 100644
--- a/libc/arch-x86/bionic/setjmp.S
+++ b/libc/arch-x86/bionic/setjmp.S
@@ -41,30 +41,49 @@
#define _JB_SIGMASK 6
#define _JB_SIGFLAG 7
+.macro m_mangle_registers reg
+ xorl \reg,%edx
+ xorl \reg,%ebx
+ xorl \reg,%esp
+ xorl \reg,%ebp
+ xorl \reg,%esi
+ xorl \reg,%edi
+.endm
+
+.macro m_unmangle_registers reg
+ m_mangle_registers \reg
+.endm
+
ENTRY(setjmp)
movl 4(%esp),%ecx
- movl $1,(_JB_SIGFLAG * 4)(%ecx)
- jmp .L_sigsetjmp_signal_mask
+ mov $1,%eax
+ jmp .L_sigsetjmp
END(setjmp)
ENTRY(_setjmp)
movl 4(%esp),%ecx
- movl $0,(_JB_SIGFLAG * 4)(%ecx)
- jmp .L_sigsetjmp_no_signal_mask
+ movl $0,%eax
+ jmp .L_sigsetjmp
END(_setjmp)
ENTRY(sigsetjmp)
movl 4(%esp),%ecx
movl 8(%esp),%eax
- // Record whether or not the signal mask is valid.
+.L_sigsetjmp:
+ PIC_PROLOGUE
+ pushl %eax
+ call PIC_PLT(__bionic_setjmp_cookie_get)
+ addl $4,%esp
+ PIC_EPILOGUE
+
+ // Record the setjmp cookie and whether or not we're saving the signal mask.
movl %eax,(_JB_SIGFLAG * 4)(%ecx)
// Do we need to save the signal mask?
- testl %eax,%eax
+ testl $1,%eax
jz 1f
-.L_sigsetjmp_signal_mask:
// Get the current signal mask.
PIC_PROLOGUE
pushl $0
@@ -76,16 +95,21 @@
movl 4(%esp),%ecx
movl %eax,(_JB_SIGMASK * 4)(%ecx)
-.L_sigsetjmp_no_signal_mask:
1:
+ // Fetch the setjmp cookie and clear the signal flag bit.
+ movl (_JB_SIGFLAG * 4)(%ecx),%eax
+ andl $-2,%eax
+
// Save the callee-save registers.
movl 0(%esp),%edx
+ m_mangle_registers %eax
movl %edx,(_JB_EDX * 4)(%ecx)
movl %ebx,(_JB_EBX * 4)(%ecx)
movl %esp,(_JB_ESP * 4)(%ecx)
movl %ebp,(_JB_EBP * 4)(%ecx)
movl %esi,(_JB_ESI * 4)(%ecx)
movl %edi,(_JB_EDI * 4)(%ecx)
+ m_unmangle_registers %eax
xorl %eax,%eax
ret
@@ -94,7 +118,8 @@
ENTRY(siglongjmp)
// Do we have a signal mask to restore?
movl 4(%esp),%edx
- cmpl $0,(_JB_SIGFLAG * 4)(%edx)
+ movl (_JB_SIGFLAG * 4)(%edx), %eax
+ testl $1,%eax
jz 1f
// Restore the signal mask.
@@ -108,12 +133,29 @@
// Restore the callee-save registers.
movl 4(%esp),%edx
movl 8(%esp),%eax
- movl (_JB_EDX * 4)(%edx),%ecx
- movl (_JB_EBX * 4)(%edx),%ebx
- movl (_JB_ESP * 4)(%edx),%esp
- movl (_JB_EBP * 4)(%edx),%ebp
- movl (_JB_ESI * 4)(%edx),%esi
- movl (_JB_EDI * 4)(%edx),%edi
+
+ movl (_JB_SIGFLAG * 4)(%edx),%ecx
+ andl $-2,%ecx
+
+ movl %ecx,%ebx
+ movl %ecx,%esp
+ movl %ecx,%ebp
+ movl %ecx,%esi
+ movl %ecx,%edi
+ xorl (_JB_EDX * 4)(%edx),%ecx
+ xorl (_JB_EBX * 4)(%edx),%ebx
+ xorl (_JB_ESP * 4)(%edx),%esp
+ xorl (_JB_EBP * 4)(%edx),%ebp
+ xorl (_JB_ESI * 4)(%edx),%esi
+ xorl (_JB_EDI * 4)(%edx),%edi
+
+ PIC_PROLOGUE
+ pushl %eax
+ pushl (_JB_SIGFLAG * 4)(%edx)
+ call PIC_PLT(__bionic_setjmp_cookie_check)
+ addl $4,%esp
+ popl %eax
+ PIC_EPILOGUE
testl %eax,%eax
jnz 2f
diff --git a/libc/arch-x86_64/bionic/setjmp.S b/libc/arch-x86_64/bionic/setjmp.S
index 5559f54..09d61f5 100644
--- a/libc/arch-x86_64/bionic/setjmp.S
+++ b/libc/arch-x86_64/bionic/setjmp.S
@@ -50,6 +50,25 @@
#define _JB_SIGMASK 9
#define _JB_SIGMASK_RT 10 // sigprocmask will write here too.
+#define MANGLE_REGISTERS 1
+.macro m_mangle_registers reg
+#if MANGLE_REGISTERS
+ xorq \reg,%rbx
+ xorq \reg,%rbp
+ xorq \reg,%r12
+ xorq \reg,%r13
+ xorq \reg,%r14
+ xorq \reg,%r15
+ xorq \reg,%rsp
+ xorq \reg,%r11
+#endif
+.endm
+
+.macro m_unmangle_registers reg
+ m_mangle_registers \reg
+.endm
+
+
ENTRY(setjmp)
movl $1,%esi
jmp PIC_PLT(sigsetjmp)
@@ -62,11 +81,17 @@
// int sigsetjmp(sigjmp_buf env, int save_signal_mask);
ENTRY(sigsetjmp)
- // Record whether or not we're saving the signal mask.
- movl %esi,(_JB_SIGFLAG * 8)(%rdi)
+ pushq %rdi
+ movq %rsi,%rdi
+ call PIC_PLT(__bionic_setjmp_cookie_get)
+ popq %rdi
+
+ // Record setjmp cookie and whether or not we're saving the signal mask.
+ movq %rax,(_JB_SIGFLAG * 8)(%rdi)
+ pushq %rax
// Do we need to save the signal mask?
- testl %esi,%esi
+ testq $1,%rax
jz 2f
// Save current signal mask.
@@ -79,7 +104,10 @@
2:
// Save the callee-save registers.
+ popq %rax
+ andq $-2,%rax
movq (%rsp),%r11
+ m_mangle_registers %rax
movq %rbx,(_JB_RBX * 8)(%rdi)
movq %rbp,(_JB_RBP * 8)(%rdi)
movq %r12,(_JB_R12 * 8)(%rdi)
@@ -88,6 +116,7 @@
movq %r15,(_JB_R15 * 8)(%rdi)
movq %rsp,(_JB_RSP * 8)(%rdi)
movq %r11,(_JB_PC * 8)(%rdi)
+ m_unmangle_registers %rax
xorl %eax,%eax
ret
@@ -99,7 +128,9 @@
pushq %rsi // Push 'value'.
// Do we need to restore the signal mask?
- cmpl $0,(_JB_SIGFLAG * 8)(%rdi)
+ movq (_JB_SIGFLAG * 8)(%rdi), %rdi
+ pushq %rdi // Push cookie
+ testq $1, %rdi
jz 2f
// Restore the signal mask.
@@ -109,6 +140,10 @@
call PIC_PLT(sigprocmask)
2:
+ // Fetch the setjmp cookie and clear the signal flag bit.
+ popq %rcx
+ andq $-2, %rcx
+
popq %rax // Pop 'value'.
// Restore the callee-save registers.
@@ -120,7 +155,15 @@
movq (_JB_RSP * 8)(%r12),%rsp
movq (_JB_PC * 8)(%r12),%r11
movq (_JB_R12 * 8)(%r12),%r12
+ m_unmangle_registers %rcx
+ // Check the cookie.
+ pushq %rax
+ movq %rcx, %rdi
+ call PIC_PLT(__bionic_setjmp_cookie_check)
+ popq %rax
+
+ // Return 1 if value is 0.
testl %eax,%eax
jnz 1f
incl %eax
diff --git a/libc/bionic/libc_init_common.cpp b/libc/bionic/libc_init_common.cpp
index 3ca6c0d..f59fa67 100644
--- a/libc/bionic/libc_init_common.cpp
+++ b/libc/bionic/libc_init_common.cpp
@@ -49,6 +49,7 @@
#include "pthread_internal.h"
extern "C" abort_msg_t** __abort_message_ptr;
+extern "C" void __bionic_setjmp_cookie_init(void);
extern "C" int __system_properties_init(void);
extern "C" int __set_tls(void* ptr);
extern "C" int __set_tid_address(int* tid_address);
@@ -121,6 +122,7 @@
__system_properties_init(); // Requires 'environ'.
+ __bionic_setjmp_cookie_init();
__libc_init_vdso();
}
diff --git a/libc/bionic/pthread_attr.cpp b/libc/bionic/pthread_attr.cpp
index 7ad3431..cfa58fc 100644
--- a/libc/bionic/pthread_attr.cpp
+++ b/libc/bionic/pthread_attr.cpp
@@ -114,6 +114,36 @@
return 0;
}
+static uintptr_t __get_main_stack_startstack() {
+ FILE* fp = fopen("/proc/self/stat", "re");
+ if (fp == nullptr) {
+ __libc_fatal("couldn't open /proc/self/stat: %s", strerror(errno));
+ }
+
+ char line[BUFSIZ];
+ if (fgets(line, sizeof(line), fp) == nullptr) {
+ __libc_fatal("couldn't read /proc/self/stat: %s", strerror(errno));
+ }
+
+ fclose(fp);
+
+ // See man 5 proc. There's no reason comm can't contain ' ' or ')',
+ // so we search backwards for the end of it. We're looking for this field:
+ //
+ // startstack %lu (28) The address of the start (i.e., bottom) of the stack.
+ uintptr_t startstack = 0;
+ const char* end_of_comm = strrchr(line, ')');
+ if (sscanf(end_of_comm + 1, " %*c "
+ "%*d %*d %*d %*d %*d "
+ "%*u %*u %*u %*u %*u %*u %*u "
+ "%*d %*d %*d %*d %*d %*d "
+ "%*u %*u %*d %*u %*u %*u %" SCNuPTR, &startstack) != 1) {
+ __libc_fatal("couldn't parse /proc/self/stat");
+ }
+
+ return startstack;
+}
+
static int __pthread_attr_getstack_main_thread(void** stack_base, size_t* stack_size) {
ErrnoRestorer errno_restorer;
@@ -127,20 +157,19 @@
stack_limit.rlim_cur = 8 * 1024 * 1024;
}
- // It shouldn't matter which thread we are because we're just looking for "[stack]", but
- // valgrind seems to mess with the stack enough that the kernel will report "[stack:pid]"
- // instead if you look in /proc/self/maps, so we need to look in /proc/pid/task/pid/maps.
- char path[64];
- snprintf(path, sizeof(path), "/proc/self/task/%d/maps", getpid());
- FILE* fp = fopen(path, "re");
- if (fp == NULL) {
- return errno;
+ // Ask the kernel where our main thread's stack started.
+ uintptr_t startstack = __get_main_stack_startstack();
+
+ // Hunt for the region that contains that address.
+ FILE* fp = fopen("/proc/self/maps", "re");
+ if (fp == nullptr) {
+ __libc_fatal("couldn't open /proc/self/maps");
}
char line[BUFSIZ];
while (fgets(line, sizeof(line), fp) != NULL) {
- if (ends_with(line, " [stack]\n")) {
- uintptr_t lo, hi;
- if (sscanf(line, "%" SCNxPTR "-%" SCNxPTR, &lo, &hi) == 2) {
+ uintptr_t lo, hi;
+ if (sscanf(line, "%" SCNxPTR "-%" SCNxPTR, &lo, &hi) == 2) {
+ if (lo <= startstack && startstack <= hi) {
*stack_size = stack_limit.rlim_cur;
*stack_base = reinterpret_cast<void*>(hi - *stack_size);
fclose(fp);
@@ -148,7 +177,7 @@
}
}
}
- __libc_fatal("No [stack] line found in \"%s\"!", path);
+ __libc_fatal("Stack not found in /proc/self/maps");
}
int pthread_attr_getstack(const pthread_attr_t* attr, void** stack_base, size_t* stack_size) {
diff --git a/libc/bionic/setjmp_cookie.cpp b/libc/bionic/setjmp_cookie.cpp
new file mode 100644
index 0000000..cf79e83
--- /dev/null
+++ b/libc/bionic/setjmp_cookie.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/auxv.h>
+#include <sys/cdefs.h>
+
+#include "private/libc_logging.h"
+
+extern "C" __LIBC_HIDDEN__ int getentropy(void*, size_t);
+static long __bionic_setjmp_cookie;
+
+extern "C" void __bionic_setjmp_cookie_init() {
+ char* random_data = reinterpret_cast<char*>(getauxval(AT_RANDOM));
+ long value = *reinterpret_cast<long*>(random_data + 8);
+
+ // Mask off the last bit to store the signal flag.
+ __bionic_setjmp_cookie = value & ~1;
+}
+
+extern "C" long __bionic_setjmp_cookie_get(long sigflag) {
+ if (sigflag & ~1) {
+ __libc_fatal("unexpected sigflag value: %ld", sigflag);
+ }
+
+ return __bionic_setjmp_cookie | sigflag;
+}
+
+// Aborts if cookie doesn't match, returns the signal flag otherwise.
+extern "C" long __bionic_setjmp_cookie_check(long cookie) {
+ if (__bionic_setjmp_cookie != (cookie & ~1)) {
+ __libc_fatal("setjmp cookie mismatch");
+ }
+
+ return cookie & 1;
+}
diff --git a/libdl/Android.bp b/libdl/Android.bp
new file mode 100644
index 0000000..46dd0eb
--- /dev/null
+++ b/libdl/Android.bp
@@ -0,0 +1,47 @@
+//
+// libdl
+//
+cc_library {
+
+ // NOTE: --exclude-libs=libgcc.a makes sure that any symbols libdl.so pulls from
+ // libgcc.a are made static to libdl.so. This in turn ensures that libraries that
+ // a) pull symbols from libgcc.a and b) depend on libdl.so will not rely on libdl.so
+ // to provide those symbols, but will instead pull them from libgcc.a. Specifically,
+ // we use this property to make sure libc.so has its own copy of the code from
+ // libgcc.a it uses.
+ //
+ // DO NOT REMOVE --exclude-libs!
+
+ ldflags: ["-Wl,--exclude-libs=libgcc.a"],
+ version_script: "libdl.map",
+
+ // for x86, exclude libgcc_eh.a for the same reasons as above
+ arch: {
+ x86: {
+ ldflags: ["-Wl,--exclude-libs=libgcc_eh.a"],
+ },
+ x86_64: {
+ ldflags: ["-Wl,--exclude-libs=libgcc_eh.a"],
+ },
+ },
+ srcs: ["libdl.c"],
+ cflags: [
+ "-Wall",
+ "-Wextra",
+ "-Wunused",
+ "-Werror",
+ ],
+ stl: "none",
+
+ name: "libdl",
+
+ // NOTE: libdl needs __aeabi_unwind_cpp_pr0 from libgcc.a but libgcc.a needs a
+ // few symbols from libc. Using --no-undefined here results in having to link
+ // against libc creating a circular dependency which is removed and we end up
+ // with missing symbols. Since this library is just a bunch of stubs, we set
+ // LOCAL_ALLOW_UNDEFINED_SYMBOLS to remove --no-undefined from the linker flags.
+ allow_undefined_symbols: true,
+ system_shared_libs: [],
+
+ sanitize: ["never"],
+}
diff --git a/libm/Android.bp b/libm/Android.bp
new file mode 100644
index 0000000..3ae086f
--- /dev/null
+++ b/libm/Android.bp
@@ -0,0 +1,382 @@
+// ANDROIDMK TRANSLATION ERROR: unsupported directive
+// ifneq ($(TARGET_USE_PRIVATE_LIBM),true)
+
+bionic_coverage = false
+
+// TODO: this comes from from upstream's libc, not libm, but it's an
+// implementation detail that should have hidden visibility, so it needs
+// to be in whatever library the math code is in.
+libm_common_src_files = ["digittoint.c"]
+
+// TODO: this is not in the BSDs.
+libm_common_src_files += [
+ "significandl.c",
+ "sincos.c",
+]
+
+libm_common_src_files += [
+ "upstream-freebsd/lib/msun/bsdsrc/b_exp.c",
+ "upstream-freebsd/lib/msun/bsdsrc/b_log.c",
+ "upstream-freebsd/lib/msun/bsdsrc/b_tgamma.c",
+ "upstream-freebsd/lib/msun/src/catrig.c",
+ "upstream-freebsd/lib/msun/src/catrigf.c",
+ "upstream-freebsd/lib/msun/src/e_acos.c",
+ "upstream-freebsd/lib/msun/src/e_acosf.c",
+ "upstream-freebsd/lib/msun/src/e_acosh.c",
+ "upstream-freebsd/lib/msun/src/e_acoshf.c",
+ "upstream-freebsd/lib/msun/src/e_asin.c",
+ "upstream-freebsd/lib/msun/src/e_asinf.c",
+ "upstream-freebsd/lib/msun/src/e_atan2.c",
+ "upstream-freebsd/lib/msun/src/e_atan2f.c",
+ "upstream-freebsd/lib/msun/src/e_atanh.c",
+ "upstream-freebsd/lib/msun/src/e_atanhf.c",
+ "upstream-freebsd/lib/msun/src/e_cosh.c",
+ "upstream-freebsd/lib/msun/src/e_coshf.c",
+ "upstream-freebsd/lib/msun/src/e_exp.c",
+ "upstream-freebsd/lib/msun/src/e_expf.c",
+ "upstream-freebsd/lib/msun/src/e_fmod.c",
+ "upstream-freebsd/lib/msun/src/e_fmodf.c",
+ "upstream-freebsd/lib/msun/src/e_gamma.c",
+ "upstream-freebsd/lib/msun/src/e_gammaf.c",
+ "upstream-freebsd/lib/msun/src/e_gammaf_r.c",
+ "upstream-freebsd/lib/msun/src/e_gamma_r.c",
+ "upstream-freebsd/lib/msun/src/e_hypot.c",
+ "upstream-freebsd/lib/msun/src/e_hypotf.c",
+ "upstream-freebsd/lib/msun/src/e_j0.c",
+ "upstream-freebsd/lib/msun/src/e_j0f.c",
+ "upstream-freebsd/lib/msun/src/e_j1.c",
+ "upstream-freebsd/lib/msun/src/e_j1f.c",
+ "upstream-freebsd/lib/msun/src/e_jn.c",
+ "upstream-freebsd/lib/msun/src/e_jnf.c",
+ "upstream-freebsd/lib/msun/src/e_lgamma.c",
+ "upstream-freebsd/lib/msun/src/e_lgammaf.c",
+ "upstream-freebsd/lib/msun/src/e_lgammaf_r.c",
+ "upstream-freebsd/lib/msun/src/e_lgamma_r.c",
+ "upstream-freebsd/lib/msun/src/e_log10.c",
+ "upstream-freebsd/lib/msun/src/e_log10f.c",
+ "upstream-freebsd/lib/msun/src/e_log2.c",
+ "upstream-freebsd/lib/msun/src/e_log2f.c",
+ "upstream-freebsd/lib/msun/src/e_log.c",
+ "upstream-freebsd/lib/msun/src/e_logf.c",
+ "upstream-freebsd/lib/msun/src/e_pow.c",
+ "upstream-freebsd/lib/msun/src/e_powf.c",
+ "upstream-freebsd/lib/msun/src/e_remainder.c",
+ "upstream-freebsd/lib/msun/src/e_remainderf.c",
+ "upstream-freebsd/lib/msun/src/e_rem_pio2.c",
+ "upstream-freebsd/lib/msun/src/e_rem_pio2f.c",
+ "upstream-freebsd/lib/msun/src/e_scalb.c",
+ "upstream-freebsd/lib/msun/src/e_scalbf.c",
+ "upstream-freebsd/lib/msun/src/e_sinh.c",
+ "upstream-freebsd/lib/msun/src/e_sinhf.c",
+ "upstream-freebsd/lib/msun/src/e_sqrt.c",
+ "upstream-freebsd/lib/msun/src/e_sqrtf.c",
+ "upstream-freebsd/lib/msun/src/imprecise.c",
+ "upstream-freebsd/lib/msun/src/k_cos.c",
+ "upstream-freebsd/lib/msun/src/k_cosf.c",
+ "upstream-freebsd/lib/msun/src/k_exp.c",
+ "upstream-freebsd/lib/msun/src/k_expf.c",
+ "upstream-freebsd/lib/msun/src/k_rem_pio2.c",
+ "upstream-freebsd/lib/msun/src/k_sin.c",
+ "upstream-freebsd/lib/msun/src/k_sinf.c",
+ "upstream-freebsd/lib/msun/src/k_tan.c",
+ "upstream-freebsd/lib/msun/src/k_tanf.c",
+ "upstream-freebsd/lib/msun/src/s_asinh.c",
+ "upstream-freebsd/lib/msun/src/s_asinhf.c",
+ "upstream-freebsd/lib/msun/src/s_atan.c",
+ "upstream-freebsd/lib/msun/src/s_atanf.c",
+ "upstream-freebsd/lib/msun/src/s_carg.c",
+ "upstream-freebsd/lib/msun/src/s_cargf.c",
+ "upstream-freebsd/lib/msun/src/s_cargl.c",
+ "upstream-freebsd/lib/msun/src/s_cbrt.c",
+ "upstream-freebsd/lib/msun/src/s_cbrtf.c",
+ "upstream-freebsd/lib/msun/src/s_ccosh.c",
+ "upstream-freebsd/lib/msun/src/s_ccoshf.c",
+ "upstream-freebsd/lib/msun/src/s_ceil.c",
+ "upstream-freebsd/lib/msun/src/s_ceilf.c",
+ "upstream-freebsd/lib/msun/src/s_cexp.c",
+ "upstream-freebsd/lib/msun/src/s_cexpf.c",
+ "upstream-freebsd/lib/msun/src/s_cimag.c",
+ "upstream-freebsd/lib/msun/src/s_cimagf.c",
+ "upstream-freebsd/lib/msun/src/s_cimagl.c",
+ "upstream-freebsd/lib/msun/src/s_conj.c",
+ "upstream-freebsd/lib/msun/src/s_conjf.c",
+ "upstream-freebsd/lib/msun/src/s_conjl.c",
+ "upstream-freebsd/lib/msun/src/s_copysign.c",
+ "upstream-freebsd/lib/msun/src/s_copysignf.c",
+ "upstream-freebsd/lib/msun/src/s_cos.c",
+ "upstream-freebsd/lib/msun/src/s_cosf.c",
+ "upstream-freebsd/lib/msun/src/s_cproj.c",
+ "upstream-freebsd/lib/msun/src/s_cprojf.c",
+ "upstream-freebsd/lib/msun/src/s_cprojl.c",
+ "upstream-freebsd/lib/msun/src/s_creal.c",
+ "upstream-freebsd/lib/msun/src/s_crealf.c",
+ "upstream-freebsd/lib/msun/src/s_creall.c",
+ "upstream-freebsd/lib/msun/src/s_csinh.c",
+ "upstream-freebsd/lib/msun/src/s_csinhf.c",
+ "upstream-freebsd/lib/msun/src/s_csqrt.c",
+ "upstream-freebsd/lib/msun/src/s_csqrtf.c",
+ "upstream-freebsd/lib/msun/src/s_csqrtl.c",
+ "upstream-freebsd/lib/msun/src/s_ctanh.c",
+ "upstream-freebsd/lib/msun/src/s_ctanhf.c",
+ "upstream-freebsd/lib/msun/src/s_erf.c",
+ "upstream-freebsd/lib/msun/src/s_erff.c",
+ "upstream-freebsd/lib/msun/src/s_exp2.c",
+ "upstream-freebsd/lib/msun/src/s_exp2f.c",
+ "upstream-freebsd/lib/msun/src/s_expm1.c",
+ "upstream-freebsd/lib/msun/src/s_expm1f.c",
+ "upstream-freebsd/lib/msun/src/s_fdim.c",
+ "upstream-freebsd/lib/msun/src/s_finite.c",
+ "upstream-freebsd/lib/msun/src/s_finitef.c",
+ "upstream-freebsd/lib/msun/src/s_floor.c",
+ "upstream-freebsd/lib/msun/src/s_floorf.c",
+ "upstream-freebsd/lib/msun/src/s_fma.c",
+ "upstream-freebsd/lib/msun/src/s_fmaf.c",
+ "upstream-freebsd/lib/msun/src/s_fmax.c",
+ "upstream-freebsd/lib/msun/src/s_fmaxf.c",
+ "upstream-freebsd/lib/msun/src/s_fmin.c",
+ "upstream-freebsd/lib/msun/src/s_fminf.c",
+ "upstream-freebsd/lib/msun/src/s_frexp.c",
+ "upstream-freebsd/lib/msun/src/s_frexpf.c",
+ "upstream-freebsd/lib/msun/src/s_ilogb.c",
+ "upstream-freebsd/lib/msun/src/s_ilogbf.c",
+ "upstream-freebsd/lib/msun/src/s_llrint.c",
+ "upstream-freebsd/lib/msun/src/s_llrintf.c",
+ "upstream-freebsd/lib/msun/src/s_llround.c",
+ "upstream-freebsd/lib/msun/src/s_llroundf.c",
+ "upstream-freebsd/lib/msun/src/s_log1p.c",
+ "upstream-freebsd/lib/msun/src/s_log1pf.c",
+ "upstream-freebsd/lib/msun/src/s_logb.c",
+ "upstream-freebsd/lib/msun/src/s_logbf.c",
+ "upstream-freebsd/lib/msun/src/s_lrint.c",
+ "upstream-freebsd/lib/msun/src/s_lrintf.c",
+ "upstream-freebsd/lib/msun/src/s_lround.c",
+ "upstream-freebsd/lib/msun/src/s_lroundf.c",
+ "upstream-freebsd/lib/msun/src/s_modf.c",
+ "upstream-freebsd/lib/msun/src/s_modff.c",
+ "upstream-freebsd/lib/msun/src/s_nan.c",
+ "upstream-freebsd/lib/msun/src/s_nearbyint.c",
+ "upstream-freebsd/lib/msun/src/s_nextafter.c",
+ "upstream-freebsd/lib/msun/src/s_nextafterf.c",
+ "upstream-freebsd/lib/msun/src/s_remquo.c",
+ "upstream-freebsd/lib/msun/src/s_remquof.c",
+ "upstream-freebsd/lib/msun/src/s_rint.c",
+ "upstream-freebsd/lib/msun/src/s_rintf.c",
+ "upstream-freebsd/lib/msun/src/s_round.c",
+ "upstream-freebsd/lib/msun/src/s_roundf.c",
+ "upstream-freebsd/lib/msun/src/s_scalbln.c",
+ "upstream-freebsd/lib/msun/src/s_scalbn.c",
+ "upstream-freebsd/lib/msun/src/s_scalbnf.c",
+ "upstream-freebsd/lib/msun/src/s_signgam.c",
+ "upstream-freebsd/lib/msun/src/s_significand.c",
+ "upstream-freebsd/lib/msun/src/s_significandf.c",
+ "upstream-freebsd/lib/msun/src/s_sin.c",
+ "upstream-freebsd/lib/msun/src/s_sinf.c",
+ "upstream-freebsd/lib/msun/src/s_tan.c",
+ "upstream-freebsd/lib/msun/src/s_tanf.c",
+ "upstream-freebsd/lib/msun/src/s_tanh.c",
+ "upstream-freebsd/lib/msun/src/s_tanhf.c",
+ "upstream-freebsd/lib/msun/src/s_tgammaf.c",
+ "upstream-freebsd/lib/msun/src/s_trunc.c",
+ "upstream-freebsd/lib/msun/src/s_truncf.c",
+ "upstream-freebsd/lib/msun/src/w_cabs.c",
+ "upstream-freebsd/lib/msun/src/w_cabsf.c",
+ "upstream-freebsd/lib/msun/src/w_cabsl.c",
+ "upstream-freebsd/lib/msun/src/w_drem.c",
+ "upstream-freebsd/lib/msun/src/w_dremf.c",
+]
+
+libm_common_src_files += [
+ "fake_long_double.c",
+ "signbit.c",
+ "fabs.cpp",
+]
+
+libm_ld128_src_files = [
+ "upstream-freebsd/lib/msun/src/e_acosl.c",
+ "upstream-freebsd/lib/msun/src/e_acoshl.c",
+ "upstream-freebsd/lib/msun/src/e_asinl.c",
+ "upstream-freebsd/lib/msun/src/e_atan2l.c",
+ "upstream-freebsd/lib/msun/src/e_atanhl.c",
+ "upstream-freebsd/lib/msun/src/e_fmodl.c",
+ "upstream-freebsd/lib/msun/src/e_hypotl.c",
+ "upstream-freebsd/lib/msun/src/e_lgammal.c",
+ "upstream-freebsd/lib/msun/src/e_remainderl.c",
+ "upstream-freebsd/lib/msun/src/e_sqrtl.c",
+ "upstream-freebsd/lib/msun/src/s_asinhl.c",
+ "upstream-freebsd/lib/msun/src/s_atanl.c",
+ "upstream-freebsd/lib/msun/src/s_cbrtl.c",
+ "upstream-freebsd/lib/msun/src/s_ceill.c",
+ "upstream-freebsd/lib/msun/src/s_copysignl.c",
+ "upstream-freebsd/lib/msun/src/e_coshl.c",
+ "upstream-freebsd/lib/msun/src/s_cosl.c",
+ "upstream-freebsd/lib/msun/src/s_floorl.c",
+ "upstream-freebsd/lib/msun/src/s_fmal.c",
+ "upstream-freebsd/lib/msun/src/s_fmaxl.c",
+ "upstream-freebsd/lib/msun/src/s_fminl.c",
+ "upstream-freebsd/lib/msun/src/s_modfl.c",
+ "upstream-freebsd/lib/msun/src/s_frexpl.c",
+ "upstream-freebsd/lib/msun/src/s_ilogbl.c",
+ "upstream-freebsd/lib/msun/src/s_llrintl.c",
+ "upstream-freebsd/lib/msun/src/s_llroundl.c",
+ "upstream-freebsd/lib/msun/src/s_logbl.c",
+ "upstream-freebsd/lib/msun/src/s_lrintl.c",
+ "upstream-freebsd/lib/msun/src/s_lroundl.c",
+ "upstream-freebsd/lib/msun/src/s_nextafterl.c",
+ "upstream-freebsd/lib/msun/src/s_nexttoward.c",
+ "upstream-freebsd/lib/msun/src/s_nexttowardf.c",
+ "upstream-freebsd/lib/msun/src/s_remquol.c",
+ "upstream-freebsd/lib/msun/src/s_rintl.c",
+ "upstream-freebsd/lib/msun/src/s_roundl.c",
+ "upstream-freebsd/lib/msun/src/s_scalbnl.c",
+ "upstream-freebsd/lib/msun/src/e_sinhl.c",
+ "upstream-freebsd/lib/msun/src/s_sinl.c",
+ "upstream-freebsd/lib/msun/src/s_tanhl.c",
+ "upstream-freebsd/lib/msun/src/s_tanl.c",
+ "upstream-freebsd/lib/msun/src/s_truncl.c",
+]
+
+libm_ld128_src_files += [
+ "upstream-freebsd/lib/msun/ld128/invtrig.c",
+ "upstream-freebsd/lib/msun/ld128/e_lgammal_r.c",
+ "upstream-freebsd/lib/msun/ld128/k_cosl.c",
+ "upstream-freebsd/lib/msun/ld128/k_sinl.c",
+ "upstream-freebsd/lib/msun/ld128/k_tanl.c",
+ "upstream-freebsd/lib/msun/ld128/s_erfl.c",
+ "upstream-freebsd/lib/msun/ld128/s_exp2l.c",
+ "upstream-freebsd/lib/msun/ld128/s_expl.c",
+ "upstream-freebsd/lib/msun/ld128/s_logl.c",
+ "upstream-freebsd/lib/msun/ld128/s_nanl.c",
+]
+
+// TODO: re-enable i387/e_sqrtf.S for x86, and maybe others.
+
+libm_common_cflags = [
+ "-D__BIONIC_NO_MATH_INLINES",
+ "-DFLT_EVAL_METHOD=0",
+ "-include freebsd-compat.h",
+ "-Wno-missing-braces",
+ "-Wno-parentheses",
+ "-Wno-sign-compare",
+ "-Wno-uninitialized",
+ "-Wno-unknown-pragmas",
+ "-fvisibility=hidden",
+]
+
+// Workaround the GCC "(long)fn -> lfn" optimization bug which will result in
+// self recursions for lrint, lrintf, and lrintl.
+// BUG: 14225968
+libm_common_cflags += [
+ "-fno-builtin-rint",
+ "-fno-builtin-rintf",
+ "-fno-builtin-rintl",
+]
+
+libm_common_local_includes = ["upstream-freebsd/lib/msun/src/"]
+
+libm_ld_local_includes = ["upstream-freebsd/lib/msun/ld128/"]
+
+//
+// libm.so and libm.a for target.
+//
+cc_library {
+ name: "libm",
+
+ cflags: libm_common_cflags,
+ include_dirs: ["bionic/libc"],
+ local_include_dirs: libm_common_local_includes,
+ srcs: libm_common_src_files,
+ system_shared_libs: ["libc"],
+
+ native_coverage: bionic_coverage,
+ sanitize: ["never"],
+
+ version_script: "libm.map",
+
+ multilib: {
+ lib64: {
+ srcs: libm_ld128_src_files,
+ local_include_dirs: libm_ld_local_includes,
+ // We'd really like to do this for all architectures, but since this wasn't done
+ // before, these symbols must continue to be exported on LP32 for binary
+ // compatibility.
+ ldflags: ["-Wl,--exclude-libs,libgcc.a"],
+ },
+ },
+
+ // arch-specific settings
+ arch: {
+ arm: {
+ srcs: [
+ "arm/fenv.c",
+ "arm/sqrt.S",
+ "arm/floor.S",
+ ],
+ exclude_srcs: [
+ // TODO: these require neon not available in arm
+ "upstream-freebsd/lib/msun/src/e_sqrt.c",
+ "upstream-freebsd/lib/msun/src/e_sqrtf.c",
+ "upstream-freebsd/lib/msun/src/s_floor.c",
+ ],
+ instruction_set: "arm",
+ ldflags: ["-Wl,--hash-style=both"],
+ },
+
+ arm64: {
+ srcs: [
+ "arm64/fenv.c",
+ "arm64/ceil.S",
+ "arm64/fma.S",
+ "arm64/floor.S",
+ "arm64/lrint.S",
+ "arm64/rint.S",
+ "arm64/sqrt.S",
+ "arm64/trunc.S",
+ ],
+ exclude_srcs: [
+ "upstream-freebsd/lib/msun/src/s_ceil.c",
+ "upstream-freebsd/lib/msun/src/s_ceilf.c",
+ "upstream-freebsd/lib/msun/src/s_fma.c",
+ "upstream-freebsd/lib/msun/src/s_fmaf.c",
+ "upstream-freebsd/lib/msun/src/s_floor.c",
+ "upstream-freebsd/lib/msun/src/s_floorf.c",
+ "upstream-freebsd/lib/msun/src/s_llrint.c",
+ "upstream-freebsd/lib/msun/src/s_llrintf.c",
+ "upstream-freebsd/lib/msun/src/s_lrint.c",
+ "upstream-freebsd/lib/msun/src/s_lrintf.c",
+ "upstream-freebsd/lib/msun/src/s_rint.c",
+ "upstream-freebsd/lib/msun/src/s_rintf.c",
+ "upstream-freebsd/lib/msun/src/e_sqrt.c",
+ "upstream-freebsd/lib/msun/src/e_sqrtf.c",
+ "upstream-freebsd/lib/msun/src/s_trunc.c",
+ "upstream-freebsd/lib/msun/src/s_truncf.c",
+ ],
+ },
+
+ mips: {
+ srcs: ["mips/fenv.c"],
+ },
+
+ mips64: {
+ srcs: ["mips/fenv.c"],
+ },
+
+ x86: {
+ local_include_dirs: ["i387"],
+ srcs: ["i387/fenv.c"],
+ // Clang has wrong long double sizes for x86.
+ clang: false,
+ ldflags: ["-Wl,--hash-style=both"],
+ },
+
+ x86_64: {
+ srcs: ["amd64/fenv.c"],
+ // Clang has wrong long double sizes for x86.
+ clang: false,
+ },
+ },
+
+ stl: "none",
+}
+
+// ANDROIDMK TRANSLATION ERROR: unsupported directive
+// endif
diff --git a/tests/pthread_test.cpp b/tests/pthread_test.cpp
index eeb1541..3c686ef 100644
--- a/tests/pthread_test.cpp
+++ b/tests/pthread_test.cpp
@@ -1220,6 +1220,67 @@
#endif
}
+struct GetStackSignalHandlerArg {
+ volatile bool done;
+ void* signal_handler_sp;
+ void* main_stack_base;
+ size_t main_stack_size;
+};
+
+static GetStackSignalHandlerArg getstack_signal_handler_arg;
+
+static void getstack_signal_handler(int sig) {
+ ASSERT_EQ(SIGUSR1, sig);
+ // Use sleep() to make current thread be switched out by the kernel to provoke the error.
+ sleep(1);
+ pthread_attr_t attr;
+ ASSERT_EQ(0, pthread_getattr_np(pthread_self(), &attr));
+ void* stack_base;
+ size_t stack_size;
+ ASSERT_EQ(0, pthread_attr_getstack(&attr, &stack_base, &stack_size));
+ getstack_signal_handler_arg.signal_handler_sp = &attr;
+ getstack_signal_handler_arg.main_stack_base = stack_base;
+ getstack_signal_handler_arg.main_stack_size = stack_size;
+ getstack_signal_handler_arg.done = true;
+}
+
+// The previous code obtained the main thread's stack by reading the entry in
+// /proc/self/task/<pid>/maps that was labeled [stack]. Unfortunately, on x86/x86_64, the kernel
+// relies on sp0 in task state segment(tss) to label the stack map with [stack]. If the kernel
+// switches a process while the main thread is in an alternate stack, then the kernel will label
+// the wrong map with [stack]. This test verifies that when the above situation happens, the main
+// thread's stack is found correctly.
+TEST(pthread, pthread_attr_getstack_in_signal_handler) {
+ const size_t sig_stack_size = 16 * 1024;
+ void* sig_stack = mmap(NULL, sig_stack_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS,
+ -1, 0);
+ ASSERT_NE(MAP_FAILED, sig_stack);
+ stack_t ss;
+ ss.ss_sp = sig_stack;
+ ss.ss_size = sig_stack_size;
+ ss.ss_flags = 0;
+ stack_t oss;
+ ASSERT_EQ(0, sigaltstack(&ss, &oss));
+
+ ScopedSignalHandler handler(SIGUSR1, getstack_signal_handler, SA_ONSTACK);
+ getstack_signal_handler_arg.done = false;
+ kill(getpid(), SIGUSR1);
+ ASSERT_EQ(true, getstack_signal_handler_arg.done);
+
+ // Verify if the stack used by the signal handler is the alternate stack just registered.
+ ASSERT_LE(sig_stack, getstack_signal_handler_arg.signal_handler_sp);
+ ASSERT_GE(reinterpret_cast<char*>(sig_stack) + sig_stack_size,
+ getstack_signal_handler_arg.signal_handler_sp);
+
+ // Verify if the main thread's stack got in the signal handler is correct.
+ ASSERT_LE(getstack_signal_handler_arg.main_stack_base, &ss);
+ ASSERT_GE(reinterpret_cast<char*>(getstack_signal_handler_arg.main_stack_base) +
+ getstack_signal_handler_arg.main_stack_size, reinterpret_cast<void*>(&ss));
+
+ ASSERT_EQ(0, sigaltstack(&oss, nullptr));
+ ASSERT_EQ(0, munmap(sig_stack, sig_stack_size));
+}
+
static void pthread_attr_getstack_18908062_helper(void*) {
char local_variable;
pthread_attr_t attributes;
diff --git a/tests/setjmp_test.cpp b/tests/setjmp_test.cpp
index a3b5885..944dac8 100644
--- a/tests/setjmp_test.cpp
+++ b/tests/setjmp_test.cpp
@@ -212,3 +212,30 @@
CHECK_FREGS;
}
}
+
+#if defined(__arm__)
+#define __JB_SIGFLAG 0
+#elif defined(__aarch64__)
+#define __JB_SIGFLAG 0
+#elif defined(__i386__)
+#define __JB_SIGFLAG 7
+#elif defined(__x86_64)
+#define __JB_SIGFLAG 8
+#endif
+
+TEST(setjmp, setjmp_cookie) {
+#if !defined(__mips__)
+ jmp_buf jb;
+ int value = setjmp(jb);
+ ASSERT_EQ(0, value);
+
+ long* sigflag = reinterpret_cast<long*>(jb) + __JB_SIGFLAG;
+
+ // Make sure there's actually a cookie.
+ EXPECT_NE(0, *sigflag & ~1);
+
+ // Wipe it out
+ *sigflag &= 1;
+ EXPECT_DEATH(longjmp(jb, 0), "");
+#endif
+}