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1// Define the common source files for all the libc instances
2// =========================================================
3libc_common_src_files = [
4    "async_safe/async_safe_log.cpp",
5    "bionic/ether_aton.c",
6    "bionic/ether_ntoa.c",
7    "bionic/fts.c",
8    "bionic/initgroups.c",
9    "bionic/isatty.c",
10    "bionic/pututline.c",
11    "bionic/sched_cpualloc.c",
12    "bionic/sched_cpucount.c",
13    "stdio/fmemopen.cpp",
14    "stdio/parsefloat.c",
15    "stdio/refill.c",
16    "stdio/stdio.cpp",
17    "stdio/stdio_ext.cpp",
18    "stdio/vfscanf.cpp",
19    "stdio/vfwscanf.c",
20    "stdlib/exit.c",
21]
22
23// off64_t/time64_t support on LP32.
24// ========================================================
25libc_common_src_files_32 = [
26    "bionic/legacy_32_bit_support.cpp",
27    "bionic/time64.c",
28]
29
30libc_common_flags = [
31    "-D_LIBC=1",
32    "-D__BIONIC_LP32_USE_STAT64",
33    "-Wall",
34    "-Wextra",
35    "-Wunused",
36    "-Wno-char-subscripts",
37    "-Wno-deprecated-declarations",
38    "-Wno-gcc-compat",
39    "-Wframe-larger-than=2048",
40
41    // Try to catch typical 32-bit assumptions that break with 64-bit pointers.
42    "-Werror=pointer-to-int-cast",
43    "-Werror=int-to-pointer-cast",
44    "-Werror=type-limits",
45    "-Werror",
46
47    // Clang's exit-time destructor registration hides __dso_handle, but
48    // __dso_handle needs to have default visibility on ARM32. See b/73485611.
49    "-Wexit-time-destructors",
50
51    // GWP-ASan requires platform TLS.
52    "-fno-emulated-tls",
53]
54
55// Define some common cflags
56// ========================================================
57cc_defaults {
58    name: "libc_defaults",
59    defaults: ["linux_bionic_supported"],
60    cflags: libc_common_flags,
61    asflags: libc_common_flags,
62    conlyflags: ["-std=gnu99"],
63    cppflags: [],
64    include_dirs: [
65        "bionic/libc/async_safe/include",
66    ],
67
68    header_libs: ["gwp_asan_headers"],
69
70    stl: "none",
71    system_shared_libs: [],
72    sanitize: {
73        address: false,
74        integer_overflow: false,
75        // TODO(b/132640749): Fix broken fuzzer support.
76        fuzzer: false,
77    },
78    native_coverage: false,
79    ramdisk_available: true,
80    recovery_available: true,
81    native_bridge_supported: true,
82
83    // lld complains about duplicate symbols in libcrt and libgcc. Suppress the
84    // warning since this is intended right now.
85    ldflags: ["-Wl,-z,muldefs"],
86
87    product_variables: {
88        experimental_mte: {
89            cflags: ["-DANDROID_EXPERIMENTAL_MTE"],
90        },
91    },
92}
93
94libc_scudo_product_variables = {
95    malloc_not_svelte: {
96        cflags: ["-DUSE_SCUDO"],
97        whole_static_libs: ["libscudo"],
98        exclude_static_libs: [
99            "libjemalloc5",
100            "libc_jemalloc_wrapper",
101        ],
102    },
103}
104
105// Defaults for native allocator libs/includes to make it
106// easier to change.
107// To disable scudo for the non-svelte config remove the line:
108//     product_variables: libc_scudo_product_variables,
109// in the cc_defaults below.
110// ========================================================
111cc_defaults {
112    name: "libc_native_allocator_defaults",
113
114    whole_static_libs: [
115        "libjemalloc5",
116        "libc_jemalloc_wrapper",
117    ],
118    header_libs: ["gwp_asan_headers"],
119    product_variables: libc_scudo_product_variables,
120}
121
122// Functions not implemented by jemalloc directly, or that need to
123// be modified for Android.
124cc_library_static {
125    name: "libc_jemalloc_wrapper",
126    defaults: ["libc_defaults"],
127    srcs: ["bionic/jemalloc_wrapper.cpp"],
128    cflags: ["-fvisibility=hidden"],
129
130    // Used to pull in the jemalloc include directory so that if the
131    // library is removed, the include directory is also removed.
132    static_libs: ["libjemalloc5"],
133}
134
135// ========================================================
136// libc_bootstrap.a - -fno-stack-protector and -ffreestanding
137// ========================================================
138//
139// Code that implements the stack protector (or that runs before TLS has been set up) needs to be
140// compiled with -fno-stack-protector, since it accesses the stack canary TLS slot. In the linker,
141// some of this code runs before ifunc resolvers have made string.h functions work, so compile with
142// -ffreestanding.
143
144cc_library_static {
145
146    srcs: [
147        "bionic/__libc_init_main_thread.cpp",
148        "bionic/__stack_chk_fail.cpp",
149        "bionic/bionic_call_ifunc_resolver.cpp",
150        "bionic/getauxval.cpp",
151    ],
152    arch: {
153        arm64: {
154            srcs: ["arch-arm64/bionic/__set_tls.c"],
155        },
156        x86: {
157            srcs: [
158                "arch-x86/bionic/__libc_init_sysinfo.cpp",
159                "arch-x86/bionic/__set_tls.cpp",
160            ],
161        },
162        x86_64: {
163            srcs: ["arch-x86_64/bionic/__set_tls.c"],
164        },
165    },
166
167    defaults: ["libc_defaults"],
168    cflags: ["-fno-stack-protector", "-ffreestanding"],
169    name: "libc_bootstrap",
170}
171
172// libc_init_static.cpp and libc_init_dynamic.cpp need to be built without stack protector.
173// libc_init_static.cpp sets up TLS for static executables, and libc_init_dynamic.cpp initializes
174// the stack protector global variable.
175
176cc_library_static {
177    name: "libc_init_static",
178    defaults: ["libc_defaults"],
179    srcs: ["bionic/libc_init_static.cpp"],
180    cflags: [
181        "-fno-stack-protector",
182
183        // Compile libc_init_static.cpp with -ffreestanding, because some of its code is called
184        // from the linker before ifunc resolvers have made string.h functions available.
185        "-ffreestanding",
186    ],
187}
188
189cc_library_static {
190    name: "libc_init_dynamic",
191    defaults: ["libc_defaults"],
192    srcs: ["bionic/libc_init_dynamic.cpp"],
193    cflags: ["-fno-stack-protector"],
194}
195
196// ========================================================
197// libc_tzcode.a - upstream 'tzcode' code
198// ========================================================
199
200cc_library_static {
201
202    defaults: ["libc_defaults"],
203    srcs: [
204        "tzcode/**/*.c",
205        "tzcode/bionic.cpp",
206        "upstream-openbsd/lib/libc/time/wcsftime.c", // tzcode doesn't include wcsftime, so we use the OpenBSD one.
207    ],
208
209    cflags: [
210        "-Wno-unused-parameter",
211        // Don't use ridiculous amounts of stack.
212        "-DALL_STATE",
213        // Include tzsetwall, timelocal, timegm, time2posix, and posix2time.
214        "-DSTD_INSPIRED",
215        // Obviously, we want to be thread-safe.
216        "-DTHREAD_SAFE",
217        // The name of the tm_gmtoff field in our struct tm.
218        "-DTM_GMTOFF=tm_gmtoff",
219        // Where we store our tzdata.
220        "-DTZDIR=\"/system/usr/share/zoneinfo\"",
221        // Include `tzname`, `timezone`, and `daylight` globals.
222        "-DHAVE_POSIX_DECLS=0",
223        "-DUSG_COMPAT=1",
224        // Use the empty string (instead of "   ") as the timezone abbreviation
225        // fallback.
226        "-DWILDABBR=\"\"",
227        "-DNO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU",
228        "-Dlint",
229    ],
230
231    local_include_dirs: ["tzcode/"],
232    name: "libc_tzcode",
233}
234
235// ========================================================
236// libc_dns.a - modified NetBSD DNS code
237// ========================================================
238
239cc_library_static {
240
241    defaults: ["libc_defaults"],
242    srcs: [
243        "dns/**/*.c",
244
245        "upstream-netbsd/lib/libc/isc/ev_streams.c",
246        "upstream-netbsd/lib/libc/isc/ev_timers.c",
247    ],
248
249    cflags: [
250        "-DANDROID_CHANGES",
251        "-DINET6",
252        "-Wno-unused-parameter",
253        "-include netbsd-compat.h",
254        "-Wframe-larger-than=66000",
255    ],
256
257    local_include_dirs: [
258        "dns/include",
259        "private",
260        "upstream-netbsd/lib/libc/include",
261        "upstream-netbsd/android/include",
262    ],
263
264    name: "libc_dns",
265}
266
267// ========================================================
268// libc_freebsd.a - upstream FreeBSD C library code
269// ========================================================
270//
271// These files are built with the freebsd-compat.h header file
272// automatically included.
273
274cc_library_static {
275    defaults: ["libc_defaults"],
276    srcs: [
277        "upstream-freebsd/lib/libc/gen/ldexp.c",
278        "upstream-freebsd/lib/libc/stdlib/getopt_long.c",
279        "upstream-freebsd/lib/libc/stdlib/hcreate.c",
280        "upstream-freebsd/lib/libc/stdlib/hcreate_r.c",
281        "upstream-freebsd/lib/libc/stdlib/hdestroy_r.c",
282        "upstream-freebsd/lib/libc/stdlib/hsearch_r.c",
283        "upstream-freebsd/lib/libc/stdlib/qsort.c",
284        "upstream-freebsd/lib/libc/stdlib/quick_exit.c",
285        "upstream-freebsd/lib/libc/string/wcpcpy.c",
286        "upstream-freebsd/lib/libc/string/wcpncpy.c",
287        "upstream-freebsd/lib/libc/string/wcscasecmp.c",
288        "upstream-freebsd/lib/libc/string/wcscat.c",
289        "upstream-freebsd/lib/libc/string/wcschr.c",
290        "upstream-freebsd/lib/libc/string/wcscmp.c",
291        "upstream-freebsd/lib/libc/string/wcscpy.c",
292        "upstream-freebsd/lib/libc/string/wcscspn.c",
293        "upstream-freebsd/lib/libc/string/wcsdup.c",
294        "upstream-freebsd/lib/libc/string/wcslcat.c",
295        "upstream-freebsd/lib/libc/string/wcslen.c",
296        "upstream-freebsd/lib/libc/string/wcsncasecmp.c",
297        "upstream-freebsd/lib/libc/string/wcsncat.c",
298        "upstream-freebsd/lib/libc/string/wcsncmp.c",
299        "upstream-freebsd/lib/libc/string/wcsncpy.c",
300        "upstream-freebsd/lib/libc/string/wcsnlen.c",
301        "upstream-freebsd/lib/libc/string/wcspbrk.c",
302        "upstream-freebsd/lib/libc/string/wcsrchr.c",
303        "upstream-freebsd/lib/libc/string/wcsspn.c",
304        "upstream-freebsd/lib/libc/string/wcsstr.c",
305        "upstream-freebsd/lib/libc/string/wcstok.c",
306        "upstream-freebsd/lib/libc/string/wmemchr.c",
307        "upstream-freebsd/lib/libc/string/wmemcmp.c",
308        "upstream-freebsd/lib/libc/string/wmemcpy.c",
309        "upstream-freebsd/lib/libc/string/wmemmove.c",
310        "upstream-freebsd/lib/libc/string/wmemset.c",
311    ],
312    arch: {
313        arm64: {
314            exclude_srcs: [
315                "upstream-freebsd/lib/libc/string/wmemmove.c",
316            ],
317        },
318        x86: {
319            exclude_srcs: [
320                "upstream-freebsd/lib/libc/string/wcschr.c",
321                "upstream-freebsd/lib/libc/string/wcscmp.c",
322                "upstream-freebsd/lib/libc/string/wcslen.c",
323                "upstream-freebsd/lib/libc/string/wcsrchr.c",
324                "upstream-freebsd/lib/libc/string/wmemcmp.c",
325                "upstream-freebsd/lib/libc/string/wcscat.c",
326                "upstream-freebsd/lib/libc/string/wcscpy.c",
327                "upstream-freebsd/lib/libc/string/wmemcmp.c",
328                "upstream-freebsd/lib/libc/string/wmemset.c",
329            ],
330        },
331    },
332
333    cflags: [
334        "-Wno-sign-compare",
335        "-Wno-unused-parameter",
336        "-include freebsd-compat.h",
337    ],
338
339    local_include_dirs: [
340        "upstream-freebsd/android/include",
341    ],
342
343    name: "libc_freebsd",
344}
345
346cc_library_static {
347    defaults: ["libc_defaults"],
348    srcs: [
349        "upstream-freebsd/lib/libc/gen/glob.c",
350    ],
351
352    cflags: [
353        "-Wno-sign-compare",
354        "-include freebsd-compat.h",
355        "-Wframe-larger-than=66000",
356    ],
357
358    local_include_dirs: [
359        "upstream-freebsd/android/include",
360    ],
361
362    name: "libc_freebsd_large_stack",
363}
364
365// ========================================================
366// libc_netbsd.a - upstream NetBSD C library code
367// ========================================================
368//
369// These files are built with the netbsd-compat.h header file
370// automatically included.
371
372cc_library_static {
373
374    defaults: ["libc_defaults"],
375    srcs: [
376        "upstream-netbsd/common/lib/libc/stdlib/random.c",
377        "upstream-netbsd/lib/libc/gen/nice.c",
378        "upstream-netbsd/lib/libc/gen/psignal.c",
379        "upstream-netbsd/lib/libc/gen/utime.c",
380        "upstream-netbsd/lib/libc/gen/utmp.c",
381        "upstream-netbsd/lib/libc/inet/nsap_addr.c",
382        "upstream-netbsd/lib/libc/regex/regcomp.c",
383        "upstream-netbsd/lib/libc/regex/regerror.c",
384        "upstream-netbsd/lib/libc/regex/regexec.c",
385        "upstream-netbsd/lib/libc/regex/regfree.c",
386        "upstream-netbsd/lib/libc/stdlib/bsearch.c",
387        "upstream-netbsd/lib/libc/stdlib/drand48.c",
388        "upstream-netbsd/lib/libc/stdlib/erand48.c",
389        "upstream-netbsd/lib/libc/stdlib/jrand48.c",
390        "upstream-netbsd/lib/libc/stdlib/lcong48.c",
391        "upstream-netbsd/lib/libc/stdlib/lrand48.c",
392        "upstream-netbsd/lib/libc/stdlib/mrand48.c",
393        "upstream-netbsd/lib/libc/stdlib/nrand48.c",
394        "upstream-netbsd/lib/libc/stdlib/_rand48.c",
395        "upstream-netbsd/lib/libc/stdlib/rand_r.c",
396        "upstream-netbsd/lib/libc/stdlib/reallocarr.c",
397        "upstream-netbsd/lib/libc/stdlib/seed48.c",
398        "upstream-netbsd/lib/libc/stdlib/srand48.c",
399    ],
400    multilib: {
401        lib32: {
402            // LP32 cruft
403            srcs: ["upstream-netbsd/common/lib/libc/hash/sha1/sha1.c"],
404        },
405    },
406    cflags: [
407        "-Wno-sign-compare",
408        "-Wno-unused-parameter",
409        "-DPOSIX_MISTAKE",
410        "-include netbsd-compat.h",
411    ],
412
413    local_include_dirs: [
414        "upstream-netbsd/android/include",
415        "upstream-netbsd/lib/libc/include",
416    ],
417
418    name: "libc_netbsd",
419}
420
421// ========================================================
422// libc_openbsd_ndk.a - upstream OpenBSD C library code
423// that can be safely included in the libc_ndk.a (doesn't
424// contain any troublesome global data or constructors).
425// ========================================================
426//
427// These files are built with the openbsd-compat.h header file
428// automatically included.
429
430cc_library_static {
431    name: "libc_openbsd_ndk",
432    defaults: ["libc_defaults"],
433    srcs: [
434        "upstream-openbsd/lib/libc/gen/alarm.c",
435        "upstream-openbsd/lib/libc/gen/ctype_.c",
436        "upstream-openbsd/lib/libc/gen/daemon.c",
437        "upstream-openbsd/lib/libc/gen/err.c",
438        "upstream-openbsd/lib/libc/gen/errx.c",
439        "upstream-openbsd/lib/libc/gen/fnmatch.c",
440        "upstream-openbsd/lib/libc/gen/ftok.c",
441        "upstream-openbsd/lib/libc/gen/getprogname.c",
442        "upstream-openbsd/lib/libc/gen/setprogname.c",
443        "upstream-openbsd/lib/libc/gen/verr.c",
444        "upstream-openbsd/lib/libc/gen/verrx.c",
445        "upstream-openbsd/lib/libc/gen/vwarn.c",
446        "upstream-openbsd/lib/libc/gen/vwarnx.c",
447        "upstream-openbsd/lib/libc/gen/warn.c",
448        "upstream-openbsd/lib/libc/gen/warnx.c",
449        "upstream-openbsd/lib/libc/locale/btowc.c",
450        "upstream-openbsd/lib/libc/locale/mbrlen.c",
451        "upstream-openbsd/lib/libc/locale/mbstowcs.c",
452        "upstream-openbsd/lib/libc/locale/mbtowc.c",
453        "upstream-openbsd/lib/libc/locale/wcscoll.c",
454        "upstream-openbsd/lib/libc/locale/wcstoimax.c",
455        "upstream-openbsd/lib/libc/locale/wcstol.c",
456        "upstream-openbsd/lib/libc/locale/wcstoll.c",
457        "upstream-openbsd/lib/libc/locale/wcstombs.c",
458        "upstream-openbsd/lib/libc/locale/wcstoul.c",
459        "upstream-openbsd/lib/libc/locale/wcstoull.c",
460        "upstream-openbsd/lib/libc/locale/wcstoumax.c",
461        "upstream-openbsd/lib/libc/locale/wcsxfrm.c",
462        "upstream-openbsd/lib/libc/locale/wctob.c",
463        "upstream-openbsd/lib/libc/locale/wctomb.c",
464        "upstream-openbsd/lib/libc/net/base64.c",
465        "upstream-openbsd/lib/libc/net/htonl.c",
466        "upstream-openbsd/lib/libc/net/htons.c",
467        "upstream-openbsd/lib/libc/net/inet_lnaof.c",
468        "upstream-openbsd/lib/libc/net/inet_makeaddr.c",
469        "upstream-openbsd/lib/libc/net/inet_netof.c",
470        "upstream-openbsd/lib/libc/net/inet_ntoa.c",
471        "upstream-openbsd/lib/libc/net/inet_ntop.c",
472        "upstream-openbsd/lib/libc/net/inet_pton.c",
473        "upstream-openbsd/lib/libc/net/ntohl.c",
474        "upstream-openbsd/lib/libc/net/ntohs.c",
475        "upstream-openbsd/lib/libc/net/res_random.c",
476        "upstream-openbsd/lib/libc/stdio/fgetln.c",
477        "upstream-openbsd/lib/libc/stdio/fgetwc.c",
478        "upstream-openbsd/lib/libc/stdio/fgetws.c",
479        "upstream-openbsd/lib/libc/stdio/flags.c",
480        "upstream-openbsd/lib/libc/stdio/fpurge.c",
481        "upstream-openbsd/lib/libc/stdio/fputwc.c",
482        "upstream-openbsd/lib/libc/stdio/fputws.c",
483        "upstream-openbsd/lib/libc/stdio/fvwrite.c",
484        "upstream-openbsd/lib/libc/stdio/fwide.c",
485        "upstream-openbsd/lib/libc/stdio/getdelim.c",
486        "upstream-openbsd/lib/libc/stdio/gets.c",
487        "upstream-openbsd/lib/libc/stdio/makebuf.c",
488        "upstream-openbsd/lib/libc/stdio/mktemp.c",
489        "upstream-openbsd/lib/libc/stdio/open_memstream.c",
490        "upstream-openbsd/lib/libc/stdio/open_wmemstream.c",
491        "upstream-openbsd/lib/libc/stdio/rget.c",
492        "upstream-openbsd/lib/libc/stdio/setvbuf.c",
493        "upstream-openbsd/lib/libc/stdio/tempnam.c",
494        "upstream-openbsd/lib/libc/stdio/tmpnam.c",
495        "upstream-openbsd/lib/libc/stdio/ungetc.c",
496        "upstream-openbsd/lib/libc/stdio/ungetwc.c",
497        "upstream-openbsd/lib/libc/stdio/vasprintf.c",
498        "upstream-openbsd/lib/libc/stdio/vdprintf.c",
499        "upstream-openbsd/lib/libc/stdio/vsscanf.c",
500        "upstream-openbsd/lib/libc/stdio/vswprintf.c",
501        "upstream-openbsd/lib/libc/stdio/vswscanf.c",
502        "upstream-openbsd/lib/libc/stdio/wbuf.c",
503        "upstream-openbsd/lib/libc/stdio/wsetup.c",
504        "upstream-openbsd/lib/libc/stdlib/abs.c",
505        "upstream-openbsd/lib/libc/stdlib/div.c",
506        "upstream-openbsd/lib/libc/stdlib/getenv.c",
507        "upstream-openbsd/lib/libc/stdlib/getsubopt.c",
508        "upstream-openbsd/lib/libc/stdlib/insque.c",
509        "upstream-openbsd/lib/libc/stdlib/imaxabs.c",
510        "upstream-openbsd/lib/libc/stdlib/imaxdiv.c",
511        "upstream-openbsd/lib/libc/stdlib/labs.c",
512        "upstream-openbsd/lib/libc/stdlib/ldiv.c",
513        "upstream-openbsd/lib/libc/stdlib/llabs.c",
514        "upstream-openbsd/lib/libc/stdlib/lldiv.c",
515        "upstream-openbsd/lib/libc/stdlib/lsearch.c",
516        "upstream-openbsd/lib/libc/stdlib/remque.c",
517        "upstream-openbsd/lib/libc/stdlib/setenv.c",
518        "upstream-openbsd/lib/libc/stdlib/tfind.c",
519        "upstream-openbsd/lib/libc/stdlib/tsearch.c",
520        "upstream-openbsd/lib/libc/string/memccpy.c",
521        "upstream-openbsd/lib/libc/string/strcasecmp.c",
522        "upstream-openbsd/lib/libc/string/strcasestr.c",
523        "upstream-openbsd/lib/libc/string/strcoll.c",
524        "upstream-openbsd/lib/libc/string/strcspn.c",
525        "upstream-openbsd/lib/libc/string/strdup.c",
526        "upstream-openbsd/lib/libc/string/strndup.c",
527        "upstream-openbsd/lib/libc/string/strpbrk.c",
528        "upstream-openbsd/lib/libc/string/strsep.c",
529        "upstream-openbsd/lib/libc/string/strspn.c",
530        "upstream-openbsd/lib/libc/string/strtok.c",
531        "upstream-openbsd/lib/libc/string/strxfrm.c",
532        "upstream-openbsd/lib/libc/string/wcslcpy.c",
533        "upstream-openbsd/lib/libc/string/wcswidth.c",
534    ],
535
536    cflags: [
537        "-Wno-sign-compare",
538        "-Wno-unused-parameter",
539        "-include openbsd-compat.h",
540    ],
541
542    local_include_dirs: [
543        "private",
544        "stdio",
545        "upstream-openbsd/android/include",
546        "upstream-openbsd/lib/libc/include",
547        "upstream-openbsd/lib/libc/gdtoa/",
548    ],
549}
550
551cc_library_static {
552    name: "libc_openbsd_large_stack",
553    defaults: ["libc_defaults"],
554    srcs: [
555        "stdio/vfprintf.cpp",
556        "stdio/vfwprintf.cpp",
557        "upstream-openbsd/lib/libc/string/strstr.c",
558    ],
559    cflags: [
560        "-include openbsd-compat.h",
561        "-Wno-sign-compare",
562        "-Wframe-larger-than=5000",
563    ],
564
565    local_include_dirs: [
566        "upstream-openbsd/android/include/",
567        "upstream-openbsd/lib/libc/include/",
568        "upstream-openbsd/lib/libc/gdtoa/",
569        "upstream-openbsd/lib/libc/stdio/",
570    ],
571}
572
573// ========================================================
574// libc_openbsd.a - upstream OpenBSD C library code
575// ========================================================
576//
577// These files are built with the openbsd-compat.h header file
578// automatically included.
579cc_library_static {
580    defaults: ["libc_defaults"],
581    srcs: [
582        // These two depend on getentropy, which isn't in libc_ndk.a.
583        "upstream-openbsd/lib/libc/crypt/arc4random.c",
584        "upstream-openbsd/lib/libc/crypt/arc4random_uniform.c",
585
586        // May be overriden by per-arch optimized versions
587        "upstream-openbsd/lib/libc/string/memchr.c",
588        "upstream-openbsd/lib/libc/string/memrchr.c",
589        "upstream-openbsd/lib/libc/string/stpcpy.c",
590        "upstream-openbsd/lib/libc/string/stpncpy.c",
591        "upstream-openbsd/lib/libc/string/strcat.c",
592        "upstream-openbsd/lib/libc/string/strcpy.c",
593        "upstream-openbsd/lib/libc/string/strlcat.c",
594        "upstream-openbsd/lib/libc/string/strlcpy.c",
595        "upstream-openbsd/lib/libc/string/strncat.c",
596        "upstream-openbsd/lib/libc/string/strncmp.c",
597        "upstream-openbsd/lib/libc/string/strncpy.c",
598    ],
599
600    arch: {
601        arm: {
602            exclude_srcs: [
603                "upstream-openbsd/lib/libc/string/strcpy.c",
604                "upstream-openbsd/lib/libc/string/stpcpy.c",
605                "upstream-openbsd/lib/libc/string/strcat.c",
606            ],
607        },
608        arm64: {
609            exclude_srcs: [
610                "upstream-openbsd/lib/libc/string/memchr.c",
611                "upstream-openbsd/lib/libc/string/stpcpy.c",
612                "upstream-openbsd/lib/libc/string/strcpy.c",
613                "upstream-openbsd/lib/libc/string/strncmp.c",
614            ],
615        },
616        x86: {
617            exclude_srcs: [
618                "upstream-openbsd/lib/libc/string/memchr.c",
619                "upstream-openbsd/lib/libc/string/memrchr.c",
620                "upstream-openbsd/lib/libc/string/stpcpy.c",
621                "upstream-openbsd/lib/libc/string/stpncpy.c",
622                "upstream-openbsd/lib/libc/string/strcat.c",
623                "upstream-openbsd/lib/libc/string/strcpy.c",
624                "upstream-openbsd/lib/libc/string/strncmp.c",
625                "upstream-openbsd/lib/libc/string/strncpy.c",
626                "upstream-openbsd/lib/libc/string/strlcat.c",
627                "upstream-openbsd/lib/libc/string/strlcpy.c",
628                "upstream-openbsd/lib/libc/string/strncat.c",
629            ],
630        },
631
632        x86_64: {
633            exclude_srcs: [
634                "upstream-openbsd/lib/libc/string/stpcpy.c",
635                "upstream-openbsd/lib/libc/string/stpncpy.c",
636                "upstream-openbsd/lib/libc/string/strcat.c",
637                "upstream-openbsd/lib/libc/string/strcpy.c",
638                "upstream-openbsd/lib/libc/string/strncat.c",
639                "upstream-openbsd/lib/libc/string/strncmp.c",
640                "upstream-openbsd/lib/libc/string/strncpy.c",
641            ],
642        },
643    },
644
645    cflags: [
646        "-Wno-sign-compare",
647        "-Wno-unused-parameter",
648        "-include openbsd-compat.h",
649    ],
650
651    local_include_dirs: [
652        "private",
653        "upstream-openbsd/android/include",
654    ],
655
656    name: "libc_openbsd",
657}
658
659// ========================================================
660// libc_gdtoa.a - upstream OpenBSD C library gdtoa code
661// ========================================================
662//
663// These files are built with the openbsd-compat.h header file
664// automatically included.
665
666cc_library_static {
667    defaults: ["libc_defaults"],
668    srcs: [
669        "upstream-openbsd/android/gdtoa_support.cpp",
670        "upstream-openbsd/lib/libc/gdtoa/dmisc.c",
671        "upstream-openbsd/lib/libc/gdtoa/dtoa.c",
672        "upstream-openbsd/lib/libc/gdtoa/gdtoa.c",
673        "upstream-openbsd/lib/libc/gdtoa/gethex.c",
674        "upstream-openbsd/lib/libc/gdtoa/gmisc.c",
675        "upstream-openbsd/lib/libc/gdtoa/hd_init.c",
676        "upstream-openbsd/lib/libc/gdtoa/hdtoa.c",
677        "upstream-openbsd/lib/libc/gdtoa/hexnan.c",
678        "upstream-openbsd/lib/libc/gdtoa/ldtoa.c",
679        "upstream-openbsd/lib/libc/gdtoa/misc.c",
680        "upstream-openbsd/lib/libc/gdtoa/smisc.c",
681        "upstream-openbsd/lib/libc/gdtoa/strtod.c",
682        "upstream-openbsd/lib/libc/gdtoa/strtodg.c",
683        "upstream-openbsd/lib/libc/gdtoa/strtof.c",
684        "upstream-openbsd/lib/libc/gdtoa/strtord.c",
685        "upstream-openbsd/lib/libc/gdtoa/sum.c",
686        "upstream-openbsd/lib/libc/gdtoa/ulp.c",
687    ],
688    multilib: {
689        lib64: {
690            srcs: ["upstream-openbsd/lib/libc/gdtoa/strtorQ.c"],
691        },
692    },
693
694    cflags: [
695        "-Wno-sign-compare",
696        "-include openbsd-compat.h",
697    ],
698
699    local_include_dirs: [
700        "private",
701        "upstream-openbsd/android/include",
702        "upstream-openbsd/lib/libc/include",
703    ],
704
705    name: "libc_gdtoa",
706}
707
708// ========================================================
709// libc_fortify.a - container for our FORITFY
710// implementation details
711// ========================================================
712cc_library_static {
713    defaults: ["libc_defaults"],
714    srcs: ["bionic/fortify.cpp"],
715
716    name: "libc_fortify",
717
718    // Disable FORTIFY for the compilation of these, so we don't end up having
719    // FORTIFY silently call itself.
720    cflags: [
721        "-U_FORTIFY_SOURCE",
722        "-D__BIONIC_DECLARE_FORTIFY_HELPERS",
723    ],
724
725    arch: {
726        arm: {
727            cflags: [
728                "-DNO___MEMCPY_CHK",
729                "-DRENAME___STRCAT_CHK",
730                "-DRENAME___STRCPY_CHK",
731            ],
732            srcs: [
733                "arch-arm/generic/bionic/__memcpy_chk.S",
734
735                "arch-arm/cortex-a15/bionic/__strcat_chk.S",
736                "arch-arm/cortex-a15/bionic/__strcpy_chk.S",
737
738                "arch-arm/cortex-a7/bionic/__strcat_chk.S",
739                "arch-arm/cortex-a7/bionic/__strcpy_chk.S",
740
741                "arch-arm/cortex-a9/bionic/__strcat_chk.S",
742                "arch-arm/cortex-a9/bionic/__strcpy_chk.S",
743
744                "arch-arm/krait/bionic/__strcat_chk.S",
745                "arch-arm/krait/bionic/__strcpy_chk.S",
746
747                "arch-arm/cortex-a53/bionic/__strcat_chk.S",
748                "arch-arm/cortex-a53/bionic/__strcpy_chk.S",
749
750                "arch-arm/cortex-a55/bionic/__strcat_chk.S",
751                "arch-arm/cortex-a55/bionic/__strcpy_chk.S",
752            ],
753        },
754        arm64: {
755            cflags: ["-DNO___MEMCPY_CHK"],
756            srcs: [
757                "arch-arm64/generic/bionic/__memcpy_chk.S",
758            ],
759        },
760    },
761}
762
763// ========================================================
764// libc_bionic.a - home-grown C library code
765// ========================================================
766
767cc_library_static {
768    defaults: ["libc_defaults"],
769    srcs: [
770        // These require getauxval, which isn't available on older platforms.
771        "bionic/sysconf.cpp",
772        "bionic/vdso.cpp",
773        "bionic/setjmp_cookie.cpp",
774
775        // The following must not be statically linked into libc_ndk.a, because
776        // debuggerd will look for the abort message in libc.so's copy.
777        "bionic/android_set_abort_message.cpp",
778
779        "bionic/strchr.cpp",
780        "bionic/strnlen.c",
781        "bionic/strrchr.cpp",
782    ],
783
784    arch: {
785        arm: {
786            asflags: libc_common_flags + ["-mno-restrict-it"],
787            srcs: [
788                "arch-arm/generic/bionic/memcmp.S",
789                "arch-arm/generic/bionic/memmove.S",
790                "arch-arm/generic/bionic/memset.S",
791                "arch-arm/generic/bionic/stpcpy.c",
792                "arch-arm/generic/bionic/strcat.c",
793                "arch-arm/generic/bionic/strcmp.S",
794                "arch-arm/generic/bionic/strcpy.S",
795                "arch-arm/generic/bionic/strlen.c",
796
797                "arch-arm/bionic/__aeabi_read_tp.S",
798                "arch-arm/bionic/__bionic_clone.S",
799                "arch-arm/bionic/__restore.S",
800                "arch-arm/bionic/_exit_with_stack_teardown.S",
801                "arch-arm/bionic/atomics_arm.c",
802                "arch-arm/bionic/bpabi.c",
803                "arch-arm/bionic/libcrt_compat.c",
804                "arch-arm/bionic/popcount_tab.c",
805                "arch-arm/bionic/setjmp.S",
806                "arch-arm/bionic/syscall.S",
807                "arch-arm/bionic/vfork.S",
808
809                "arch-arm/cortex-a15/bionic/memcpy.S",
810                "arch-arm/cortex-a15/bionic/memmove.S",
811                "arch-arm/cortex-a15/bionic/memset.S",
812                "arch-arm/cortex-a15/bionic/stpcpy.S",
813                "arch-arm/cortex-a15/bionic/strcat.S",
814                "arch-arm/cortex-a15/bionic/strcmp.S",
815                "arch-arm/cortex-a15/bionic/strcpy.S",
816                "arch-arm/cortex-a15/bionic/strlen.S",
817
818                "arch-arm/cortex-a7/bionic/memcpy.S",
819                "arch-arm/cortex-a7/bionic/memset.S",
820
821                "arch-arm/cortex-a9/bionic/memcpy.S",
822                "arch-arm/cortex-a9/bionic/memset.S",
823                "arch-arm/cortex-a9/bionic/stpcpy.S",
824                "arch-arm/cortex-a9/bionic/strcat.S",
825                "arch-arm/cortex-a9/bionic/strcpy.S",
826                "arch-arm/cortex-a9/bionic/strlen.S",
827
828                "arch-arm/krait/bionic/memcpy.S",
829                "arch-arm/krait/bionic/memset.S",
830
831                "arch-arm/cortex-a53/bionic/memcpy.S",
832
833                "arch-arm/cortex-a55/bionic/memcpy.S",
834
835                "arch-arm/kryo/bionic/memcpy.S",
836            ],
837        },
838        arm64: {
839            srcs: [
840                "arch-arm64/generic/bionic/memcmp.S",
841                "arch-arm64/generic/bionic/memcpy.S",
842                "arch-arm64/generic/bionic/memmove.S",
843                "arch-arm64/generic/bionic/memset.S",
844                "arch-arm64/generic/bionic/stpcpy.S",
845                "arch-arm64/generic/bionic/strcpy.S",
846                "arch-arm64/generic/bionic/wmemmove.S",
847
848                "arch-arm64/default/bionic/memchr.S",
849                "arch-arm64/default/bionic/strchr.S",
850                "arch-arm64/default/bionic/strcmp.S",
851                "arch-arm64/default/bionic/strlen.S",
852                "arch-arm64/default/bionic/strncmp.S",
853                "arch-arm64/default/bionic/strnlen.S",
854
855                "arch-arm64/mte/bionic/memchr.c",
856                "arch-arm64/mte/bionic/strchr.cpp",
857                "arch-arm64/mte/bionic/strcmp.c",
858                "arch-arm64/mte/bionic/strlen.c",
859                "arch-arm64/mte/bionic/strncmp.c",
860                "arch-arm64/mte/bionic/strnlen.c",
861
862                "arch-arm64/bionic/__bionic_clone.S",
863                "arch-arm64/bionic/_exit_with_stack_teardown.S",
864                "arch-arm64/bionic/setjmp.S",
865                "arch-arm64/bionic/syscall.S",
866                "arch-arm64/bionic/vfork.S",
867            ],
868            exclude_srcs: [
869                "bionic/__memcpy_chk.cpp",
870                "bionic/strchr.cpp",
871                "bionic/strnlen.c",
872            ],
873        },
874
875        x86: {
876            srcs: [
877                "arch-x86/generic/string/memcmp.S",
878                "arch-x86/generic/string/strcmp.S",
879                "arch-x86/generic/string/strncmp.S",
880                "arch-x86/generic/string/strcat.S",
881
882                "arch-x86/generic/string/strlcat.c",
883                "arch-x86/generic/string/strlcpy.c",
884                "arch-x86/generic/string/strncat.c",
885                "arch-x86/generic/string/wcscat.c",
886                "arch-x86/generic/string/wcscpy.c",
887                "arch-x86/generic/string/wmemcmp.c",
888                "arch-x86/generic/string/wmemset.c",
889
890                "arch-x86/atom/string/sse2-memchr-atom.S",
891                "arch-x86/atom/string/sse2-memrchr-atom.S",
892                "arch-x86/atom/string/sse2-strchr-atom.S",
893                "arch-x86/atom/string/sse2-strnlen-atom.S",
894                "arch-x86/atom/string/sse2-strrchr-atom.S",
895                "arch-x86/atom/string/sse2-wcschr-atom.S",
896                "arch-x86/atom/string/sse2-wcsrchr-atom.S",
897                "arch-x86/atom/string/sse2-wcslen-atom.S",
898                "arch-x86/atom/string/sse2-wcscmp-atom.S",
899                "arch-x86/silvermont/string/sse2-memmove-slm.S",
900                "arch-x86/silvermont/string/sse2-memset-slm.S",
901                "arch-x86/silvermont/string/sse2-stpcpy-slm.S",
902                "arch-x86/silvermont/string/sse2-stpncpy-slm.S",
903                "arch-x86/silvermont/string/sse2-strcpy-slm.S",
904                "arch-x86/silvermont/string/sse2-strlen-slm.S",
905                "arch-x86/silvermont/string/sse2-strncpy-slm.S",
906
907                "arch-x86/bionic/__bionic_clone.S",
908                "arch-x86/bionic/_exit_with_stack_teardown.S",
909                "arch-x86/bionic/libcrt_compat.c",
910                "arch-x86/bionic/__restore.S",
911                "arch-x86/bionic/setjmp.S",
912                "arch-x86/bionic/syscall.S",
913                "arch-x86/bionic/vfork.S",
914
915                // ssse3 functions
916                "arch-x86/atom/string/ssse3-strcat-atom.S",
917                "arch-x86/atom/string/ssse3-strcmp-atom.S",
918                "arch-x86/atom/string/ssse3-strlcat-atom.S",
919                "arch-x86/atom/string/ssse3-strlcpy-atom.S",
920                "arch-x86/atom/string/ssse3-strncat-atom.S",
921                "arch-x86/atom/string/ssse3-strncmp-atom.S",
922                "arch-x86/atom/string/ssse3-wcscat-atom.S",
923                "arch-x86/atom/string/ssse3-wcscpy-atom.S",
924
925                // sse4 functions
926                "arch-x86/silvermont/string/sse4-memcmp-slm.S",
927                "arch-x86/silvermont/string/sse4-wmemcmp-slm.S",
928
929                // atom functions
930                "arch-x86/atom/string/sse2-memset-atom.S",
931                "arch-x86/atom/string/sse2-strlen-atom.S",
932                "arch-x86/atom/string/ssse3-memcmp-atom.S",
933                "arch-x86/atom/string/ssse3-memmove-atom.S",
934                "arch-x86/atom/string/ssse3-strcpy-atom.S",
935                "arch-x86/atom/string/ssse3-strncpy-atom.S",
936                "arch-x86/atom/string/ssse3-wmemcmp-atom.S",
937
938                // avx2 functions
939                "arch-x86/kabylake/string/avx2-wmemset-kbl.S",
940            ],
941
942            exclude_srcs: [
943                "bionic/strchr.cpp",
944                "bionic/strnlen.c",
945                "bionic/strrchr.cpp",
946            ],
947        },
948        x86_64: {
949            srcs: [
950                "arch-x86_64/string/sse2-memmove-slm.S",
951                "arch-x86_64/string/sse2-memset-slm.S",
952                "arch-x86_64/string/sse2-stpcpy-slm.S",
953                "arch-x86_64/string/sse2-stpncpy-slm.S",
954                "arch-x86_64/string/sse2-strcat-slm.S",
955                "arch-x86_64/string/sse2-strcpy-slm.S",
956                "arch-x86_64/string/sse2-strlen-slm.S",
957                "arch-x86_64/string/sse2-strncat-slm.S",
958                "arch-x86_64/string/sse2-strncpy-slm.S",
959                "arch-x86_64/string/sse4-memcmp-slm.S",
960                "arch-x86_64/string/ssse3-strcmp-slm.S",
961                "arch-x86_64/string/ssse3-strncmp-slm.S",
962                "arch-x86_64/string/avx2-wmemset-kbl.S",
963
964                "arch-x86_64/bionic/__bionic_clone.S",
965                "arch-x86_64/bionic/_exit_with_stack_teardown.S",
966                "arch-x86_64/bionic/__restore_rt.S",
967                "arch-x86_64/bionic/setjmp.S",
968                "arch-x86_64/bionic/syscall.S",
969                "arch-x86_64/bionic/vfork.S",
970            ],
971        },
972    },
973
974    cppflags: ["-Wold-style-cast"],
975    include_dirs: ["bionic/libstdc++/include"],
976    name: "libc_bionic",
977}
978
979genrule {
980    name: "generated_android_ids",
981    out: ["generated_android_ids.h"],
982    srcs: [":android_filesystem_config_header"],
983    tool_files: ["fs_config_generator.py"],
984    cmd: "$(location fs_config_generator.py) aidarray $(in) > $(out)",
985}
986
987// ========================================================
988// libc_bionic_ndk.a- The portions of libc_bionic that can
989// be safely used in libc_ndk.a (no troublesome global data
990// or constructors).
991// ========================================================
992cc_library_static {
993    defaults: ["libc_defaults"],
994    srcs: [
995        "bionic/NetdClientDispatch.cpp",
996        "bionic/__bionic_get_shell_path.cpp",
997        "bionic/__cmsg_nxthdr.cpp",
998        "bionic/__errno.cpp",
999        "bionic/__gnu_basename.cpp",
1000        "bionic/__libc_current_sigrtmax.cpp",
1001        "bionic/__libc_current_sigrtmin.cpp",
1002        "bionic/abort.cpp",
1003        "bionic/accept.cpp",
1004        "bionic/access.cpp",
1005        "bionic/arpa_inet.cpp",
1006        "bionic/assert.cpp",
1007        "bionic/atof.cpp",
1008        "bionic/bionic_allocator.cpp",
1009        "bionic/bionic_arc4random.cpp",
1010        "bionic/bionic_futex.cpp",
1011        "bionic/bionic_netlink.cpp",
1012        "bionic/bionic_systrace.cpp",
1013        "bionic/bionic_time_conversions.cpp",
1014        "bionic/brk.cpp",
1015        "bionic/c16rtomb.cpp",
1016        "bionic/c32rtomb.cpp",
1017        "bionic/chmod.cpp",
1018        "bionic/chown.cpp",
1019        "bionic/clearenv.cpp",
1020        "bionic/clock.cpp",
1021        "bionic/clock_getcpuclockid.cpp",
1022        "bionic/clock_nanosleep.cpp",
1023        "bionic/clone.cpp",
1024        "bionic/ctype.cpp",
1025        "bionic/dirent.cpp",
1026        "bionic/dup.cpp",
1027        "bionic/environ.cpp",
1028        "bionic/error.cpp",
1029        "bionic/eventfd.cpp",
1030        "bionic/exec.cpp",
1031        "bionic/faccessat.cpp",
1032        "bionic/fchmod.cpp",
1033        "bionic/fchmodat.cpp",
1034        "bionic/fcntl.cpp",
1035        "bionic/fdsan.cpp",
1036        "bionic/fdtrack.cpp",
1037        "bionic/ffs.cpp",
1038        "bionic/fgetxattr.cpp",
1039        "bionic/flistxattr.cpp",
1040        "bionic/flockfile.cpp",
1041        "bionic/fpclassify.cpp",
1042        "bionic/fsetxattr.cpp",
1043        "bionic/ftruncate.cpp",
1044        "bionic/ftw.cpp",
1045        "bionic/futimens.cpp",
1046        "bionic/getcwd.cpp",
1047        "bionic/getdomainname.cpp",
1048        "bionic/getentropy.cpp",
1049        "bionic/gethostname.cpp",
1050        "bionic/getloadavg.cpp",
1051        "bionic/getpagesize.cpp",
1052        "bionic/getpgrp.cpp",
1053        "bionic/getpid.cpp",
1054        "bionic/getpriority.cpp",
1055        "bionic/gettid.cpp",
1056        "bionic/get_device_api_level.cpp",
1057        "bionic/grp_pwd.cpp",
1058        "bionic/grp_pwd_file.cpp",
1059        "bionic/iconv.cpp",
1060        "bionic/icu_wrappers.cpp",
1061        "bionic/ifaddrs.cpp",
1062        "bionic/inotify_init.cpp",
1063        "bionic/ioctl.cpp",
1064        "bionic/killpg.cpp",
1065        "bionic/langinfo.cpp",
1066        "bionic/lchown.cpp",
1067        "bionic/lfs64_support.cpp",
1068        "bionic/libc_init_common.cpp",
1069        "bionic/libgen.cpp",
1070        "bionic/link.cpp",
1071        "bionic/locale.cpp",
1072        "bionic/lockf.cpp",
1073        "bionic/lstat.cpp",
1074        "bionic/mblen.cpp",
1075        "bionic/mbrtoc16.cpp",
1076        "bionic/mbrtoc32.cpp",
1077        "bionic/memmem.cpp",
1078        "bionic/mempcpy.cpp",
1079        "bionic/mkdir.cpp",
1080        "bionic/mkfifo.cpp",
1081        "bionic/mknod.cpp",
1082        "bionic/mntent.cpp",
1083        "bionic/mremap.cpp",
1084        "bionic/net_if.cpp",
1085        "bionic/netdb.cpp",
1086        "bionic/netinet_in.cpp",
1087        "bionic/nl_types.cpp",
1088        "bionic/open.cpp",
1089        "bionic/pathconf.cpp",
1090        "bionic/pause.cpp",
1091        "bionic/pipe.cpp",
1092        "bionic/poll.cpp",
1093        "bionic/posix_fadvise.cpp",
1094        "bionic/posix_fallocate.cpp",
1095        "bionic/posix_madvise.cpp",
1096        "bionic/posix_timers.cpp",
1097        "bionic/ptrace.cpp",
1098        "bionic/pty.cpp",
1099        "bionic/raise.cpp",
1100        "bionic/rand.cpp",
1101        "bionic/readlink.cpp",
1102        "bionic/realpath.cpp",
1103        "bionic/reboot.cpp",
1104        "bionic/recv.cpp",
1105        "bionic/recvmsg.cpp",
1106        "bionic/rename.cpp",
1107        "bionic/rmdir.cpp",
1108        "bionic/scandir.cpp",
1109        "bionic/sched_getaffinity.cpp",
1110        "bionic/sched_getcpu.cpp",
1111        "bionic/semaphore.cpp",
1112        "bionic/send.cpp",
1113        "bionic/setegid.cpp",
1114        "bionic/seteuid.cpp",
1115        "bionic/setpgrp.cpp",
1116        "bionic/sigaction.cpp",
1117        "bionic/signal.cpp",
1118        "bionic/sigprocmask.cpp",
1119        "bionic/sleep.cpp",
1120        "bionic/socketpair.cpp",
1121        "bionic/spawn.cpp",
1122        "bionic/stat.cpp",
1123        "bionic/stdlib_l.cpp",
1124        "bionic/strchrnul.cpp",
1125        "bionic/strerror.cpp",
1126        "bionic/string_l.cpp",
1127        "bionic/strings_l.cpp",
1128        "bionic/strsignal.cpp",
1129        "bionic/strtol.cpp",
1130        "bionic/strtold.cpp",
1131        "bionic/swab.cpp",
1132        "bionic/symlink.cpp",
1133        "bionic/sync_file_range.cpp",
1134        "bionic/sys_epoll.cpp",
1135        "bionic/sys_msg.cpp",
1136        "bionic/sys_sem.cpp",
1137        "bionic/sys_shm.cpp",
1138        "bionic/sys_signalfd.cpp",
1139        "bionic/sys_statfs.cpp",
1140        "bionic/sys_statvfs.cpp",
1141        "bionic/sys_time.cpp",
1142        "bionic/sysinfo.cpp",
1143        "bionic/syslog.cpp",
1144        "bionic/system.cpp",
1145        "bionic/system_property_api.cpp",
1146        "bionic/system_property_set.cpp",
1147        "bionic/tdestroy.cpp",
1148        "bionic/termios.cpp",
1149        "bionic/thread_private.cpp",
1150        "bionic/threads.cpp",
1151        "bionic/timespec_get.cpp",
1152        "bionic/tmpfile.cpp",
1153        "bionic/umount.cpp",
1154        "bionic/unlink.cpp",
1155        "bionic/usleep.cpp",
1156        "bionic/wait.cpp",
1157        "bionic/wchar.cpp",
1158        "bionic/wchar_l.cpp",
1159        "bionic/wcstod.cpp",
1160        "bionic/wctype.cpp",
1161        "bionic/wcwidth.cpp",
1162        "bionic/wmempcpy.cpp",
1163
1164        // This contains a weak stub implementation of __find_icu_symbol for wctype.cpp,
1165        // which will be overridden by the actual one in libc.so.
1166        "bionic/icu_static.cpp",
1167    ],
1168
1169    multilib: {
1170        lib32: {
1171            // LP32 cruft
1172            srcs: ["bionic/mmap.cpp"],
1173        },
1174    },
1175    product_variables: {
1176        treble_linker_namespaces: {
1177            cflags: ["-DTREBLE_LINKER_NAMESPACES"],
1178        },
1179    },
1180    whole_static_libs: ["libsystemproperties"],
1181    cppflags: ["-Wold-style-cast"],
1182    local_include_dirs: ["stdio"],
1183    include_dirs: ["bionic/libstdc++/include"],
1184    name: "libc_bionic_ndk",
1185    generated_headers: ["generated_android_ids"],
1186}
1187
1188// ========================================================
1189// libc_pthread.a - pthreads parts that previously lived in
1190// libc_bionic.a. Relocated to their own library because
1191// they can't be included in libc_ndk.a (as the layout of
1192// pthread_t has changed over the years and has ABI
1193// compatibility issues).
1194// ========================================================
1195
1196cc_library_static {
1197    defaults: ["libc_defaults"],
1198    srcs: [
1199        "bionic/bionic_elf_tls.cpp",
1200        "bionic/pthread_atfork.cpp",
1201        "bionic/pthread_attr.cpp",
1202        "bionic/pthread_barrier.cpp",
1203        "bionic/pthread_cond.cpp",
1204        "bionic/pthread_create.cpp",
1205        "bionic/pthread_detach.cpp",
1206        "bionic/pthread_equal.cpp",
1207        "bionic/pthread_exit.cpp",
1208        "bionic/pthread_getcpuclockid.cpp",
1209        "bionic/pthread_getschedparam.cpp",
1210        "bionic/pthread_gettid_np.cpp",
1211        "bionic/pthread_internal.cpp",
1212        "bionic/pthread_join.cpp",
1213        "bionic/pthread_key.cpp",
1214        "bionic/pthread_kill.cpp",
1215        "bionic/pthread_mutex.cpp",
1216        "bionic/pthread_once.cpp",
1217        "bionic/pthread_rwlock.cpp",
1218        "bionic/pthread_sigqueue.cpp",
1219        "bionic/pthread_self.cpp",
1220        "bionic/pthread_setname_np.cpp",
1221        "bionic/pthread_setschedparam.cpp",
1222        "bionic/pthread_spinlock.cpp",
1223
1224        // The following implementations depend on pthread data or implementation,
1225        // so we can't include them in libc_ndk.a.
1226        "bionic/__cxa_thread_atexit_impl.cpp",
1227        "bionic/android_unsafe_frame_pointer_chase.cpp",
1228        "bionic/atexit.cpp",
1229        "bionic/fork.cpp",
1230    ],
1231
1232    cppflags: ["-Wold-style-cast"],
1233    include_dirs: ["bionic/libstdc++/include"],
1234    header_libs: ["bionic_libc_platform_headers"],
1235    name: "libc_pthread",
1236}
1237
1238// ========================================================
1239// libc_syscalls.a
1240// ========================================================
1241
1242genrule {
1243    name: "syscalls-arm.S",
1244    out: ["syscalls-arm.S"],
1245    srcs: ["SYSCALLS.TXT"],
1246    tool_files: [":bionic-gensyscalls"],
1247    cmd: "$(location :bionic-gensyscalls) arm $(in) > $(out)",
1248}
1249
1250genrule {
1251    name: "syscalls-arm64.S",
1252    out: ["syscalls-arm64.S"],
1253    srcs: ["SYSCALLS.TXT"],
1254    tool_files: [":bionic-gensyscalls"],
1255    cmd: "$(location :bionic-gensyscalls) arm64 $(in) > $(out)",
1256}
1257
1258genrule {
1259    name: "syscalls-x86.S",
1260    out: ["syscalls-x86.S"],
1261    srcs: ["SYSCALLS.TXT"],
1262    tool_files: [":bionic-gensyscalls"],
1263    cmd: "$(location :bionic-gensyscalls) x86 $(in) > $(out)",
1264}
1265
1266genrule {
1267    name: "syscalls-x86_64.S",
1268    out: ["syscalls-x86_64.S"],
1269    srcs: ["SYSCALLS.TXT"],
1270    tool_files: [":bionic-gensyscalls"],
1271    cmd: "$(location :bionic-gensyscalls) x86_64 $(in) > $(out)",
1272}
1273
1274cc_library_static {
1275    defaults: ["libc_defaults"],
1276    srcs: ["bionic/__set_errno.cpp"],
1277    arch: {
1278        arm: {
1279            srcs: [":syscalls-arm.S"],
1280        },
1281        arm64: {
1282            srcs: [":syscalls-arm64.S"],
1283        },
1284        x86: {
1285            srcs: [":syscalls-x86.S"],
1286        },
1287        x86_64: {
1288            srcs: [":syscalls-x86_64.S"],
1289        },
1290    },
1291    name: "libc_syscalls",
1292}
1293
1294// ========================================================
1295// libc_aeabi.a
1296// This is an LP32 ARM-only library that needs to be built with -fno-builtin
1297// to avoid infinite recursion. For the other architectures we just build an
1298// empty library to keep this makefile simple.
1299// ========================================================
1300
1301cc_library_static {
1302    defaults: ["libc_defaults"],
1303    arch: {
1304        arm: {
1305            srcs: ["arch-arm/bionic/__aeabi.c"],
1306        },
1307    },
1308    name: "libc_aeabi",
1309    cflags: ["-fno-builtin"],
1310}
1311
1312// ========================================================
1313// libc_ndk.a
1314// Compatibility library for the NDK. This library contains
1315// all the parts of libc that are safe to statically link.
1316// We can't safely statically link things that can only run
1317// on a certain version of the OS. Examples include
1318// anything that talks to netd (a large portion of the DNS
1319// code) and anything that is dependent on the layout of a
1320// data structure that has changed across releases (such as
1321// pthread_t).
1322// ========================================================
1323
1324cc_library_static {
1325    name: "libc_ndk",
1326    defaults: [
1327        "libc_defaults",
1328        "libc_native_allocator_defaults",
1329    ],
1330    ramdisk_available: false,
1331    srcs: libc_common_src_files + [
1332        "bionic/gwp_asan_wrappers.cpp",
1333        "bionic/heap_tagging.cpp",
1334        "bionic/malloc_common.cpp",
1335        "bionic/malloc_limit.cpp",
1336    ],
1337    multilib: {
1338        lib32: {
1339            srcs: libc_common_src_files_32,
1340        },
1341    },
1342    arch: {
1343        arm: {
1344            srcs: [
1345                "arch-arm/bionic/exidx_dynamic.c",
1346                "arch-common/bionic/crtbegin_so.c",
1347                "arch-arm/bionic/atexit_legacy.c",
1348                "arch-common/bionic/crtend_so.S",
1349            ],
1350            whole_static_libs: ["libc_aeabi"],
1351        },
1352    },
1353
1354    cflags: [
1355        "-fvisibility=hidden",
1356        "-DLIBC_STATIC",
1357    ],
1358
1359    whole_static_libs: [
1360        "gwp_asan",
1361        "libc_bionic_ndk",
1362        "libc_bootstrap",
1363        "libc_fortify",
1364        "libc_freebsd",
1365        "libc_freebsd_large_stack",
1366        "libc_gdtoa",
1367        "libc_netbsd",
1368        "libc_openbsd_large_stack",
1369        "libc_openbsd_ndk",
1370        "libc_syscalls",
1371        "libc_tzcode",
1372        "libm",
1373        "libstdc++",
1374    ],
1375}
1376
1377// ========================================================
1378// libc_nopthread.a
1379// ========================================================
1380cc_library_static {
1381    defaults: ["libc_defaults"],
1382    srcs: libc_common_src_files,
1383    multilib: {
1384        lib32: {
1385            srcs: libc_common_src_files_32,
1386        },
1387    },
1388    name: "libc_nopthread",
1389
1390    whole_static_libs: [
1391        "libc_bionic",
1392        "libc_bionic_ndk",
1393        "libc_bootstrap",
1394        "libc_dns",
1395        "libc_fortify",
1396        "libc_freebsd",
1397        "libc_freebsd_large_stack",
1398        "libc_gdtoa",
1399        "libc_netbsd",
1400        "libc_openbsd",
1401        "libc_openbsd_large_stack",
1402        "libc_openbsd_ndk",
1403        "libc_syscalls",
1404        "libc_tzcode",
1405        "libstdc++",
1406    ],
1407
1408    arch: {
1409        arm: {
1410            whole_static_libs: ["libc_aeabi"],
1411        },
1412    },
1413}
1414
1415// ========================================================
1416// libc_common.a
1417// ========================================================
1418
1419cc_library_static {
1420    defaults: ["libc_defaults"],
1421    name: "libc_common",
1422
1423    whole_static_libs: [
1424        "libc_nopthread",
1425        "libc_pthread",
1426    ],
1427}
1428
1429// ========================================================
1430// libc_static_dispatch.a
1431// ========================================================
1432cc_library_static {
1433    defaults: ["libc_defaults"],
1434    name: "libc_static_dispatch",
1435
1436    arch: {
1437        x86: {
1438            srcs: ["arch-x86/static_function_dispatch.S"],
1439        },
1440        arm: {
1441            srcs: ["arch-arm/static_function_dispatch.S"],
1442        },
1443        arm64: {
1444            srcs: ["arch-arm64/static_function_dispatch.S"],
1445        },
1446    },
1447}
1448
1449// ========================================================
1450// libc_dynamic_dispatch.a
1451// ========================================================
1452cc_library_static {
1453    defaults: ["libc_defaults"],
1454    name: "libc_dynamic_dispatch",
1455
1456    cflags: [
1457        "-ffreestanding",
1458        "-fno-stack-protector",
1459        "-fno-jump-tables",
1460    ],
1461    arch: {
1462        x86: {
1463            srcs: ["arch-x86/dynamic_function_dispatch.cpp"],
1464        },
1465        arm: {
1466            srcs: ["arch-arm/dynamic_function_dispatch.cpp"],
1467        },
1468        arm64: {
1469            srcs: ["arch-arm64/dynamic_function_dispatch.cpp"],
1470        },
1471    },
1472}
1473
1474// ========================================================
1475// libc_common_static.a For static binaries.
1476// ========================================================
1477cc_library_static {
1478    defaults: ["libc_defaults"],
1479    name: "libc_common_static",
1480
1481    whole_static_libs: [
1482        "libc_common",
1483        "libc_static_dispatch",
1484    ],
1485}
1486
1487// ========================================================
1488// libc_common_shared.a For shared libraries.
1489// ========================================================
1490cc_library_static {
1491    defaults: ["libc_defaults"],
1492    name: "libc_common_shared",
1493
1494    whole_static_libs: [
1495        "libc_common",
1496        "libc_dynamic_dispatch",
1497    ],
1498}
1499
1500// Versions of dl_iterate_phdr and similar APIs used to lookup unwinding information in a static
1501// executable.
1502cc_library_static {
1503    name: "libc_unwind_static",
1504    defaults: ["libc_defaults"],
1505    cflags: ["-DLIBC_STATIC"],
1506
1507    srcs: ["bionic/dl_iterate_phdr_static.cpp"],
1508    arch: {
1509        // arm32-specific dl_unwind_find_exidx and __gnu_Unwind_Find_exidx APIs
1510        arm: {
1511            srcs: ["arch-arm/bionic/exidx_static.c"],
1512        },
1513    },
1514}
1515
1516// ========================================================
1517// libc_nomalloc.a
1518// ========================================================
1519//
1520// This is a version of the static C library used by the dynamic linker that exclude malloc. It also
1521// excludes functions selected using ifunc's (e.g. for string.h). Link in either
1522// libc_static_dispatch or libc_dynamic_dispatch to provide those functions.
1523
1524cc_library_static {
1525    name: "libc_nomalloc",
1526    defaults: ["libc_defaults"],
1527
1528    whole_static_libs: [
1529        "libc_common",
1530        "libc_init_static",
1531        "libc_unwind_static",
1532    ],
1533}
1534
1535filegroup {
1536    name: "libc_sources_shared",
1537    srcs: [
1538        "arch-common/bionic/crtbegin_so.c",
1539        "arch-common/bionic/crtbrand.S",
1540        "bionic/gwp_asan_wrappers.cpp",
1541        "bionic/heap_tagging.cpp",
1542        "bionic/icu.cpp",
1543        "bionic/malloc_common.cpp",
1544        "bionic/malloc_common_dynamic.cpp",
1545        "bionic/android_profiling_dynamic.cpp",
1546        "bionic/malloc_heapprofd.cpp",
1547        "bionic/malloc_limit.cpp",
1548        "bionic/ndk_cruft.cpp",
1549        "bionic/ndk_cruft_data.cpp",
1550        "bionic/NetdClient.cpp",
1551        "arch-common/bionic/crtend_so.S",
1552    ],
1553}
1554
1555filegroup {
1556    name: "libc_sources_static",
1557    srcs: [
1558        "bionic/gwp_asan_wrappers.cpp",
1559        "bionic/heap_tagging.cpp",
1560        "bionic/malloc_common.cpp",
1561        "bionic/malloc_limit.cpp",
1562    ],
1563}
1564
1565filegroup {
1566    name: "libc_sources_shared_arm",
1567    srcs: [
1568        "arch-arm/bionic/exidx_dynamic.c",
1569        "arch-arm/bionic/atexit_legacy.c",
1570    ],
1571}
1572
1573// ========================================================
1574// libc.a + libc.so
1575// ========================================================
1576cc_library {
1577    defaults: [
1578        "libc_defaults",
1579        "libc_native_allocator_defaults",
1580    ],
1581    name: "libc",
1582    static_ndk_lib: true,
1583    export_include_dirs: ["include"],
1584    product_variables: {
1585        platform_sdk_version: {
1586            asflags: ["-DPLATFORM_SDK_VERSION=%d"],
1587        },
1588    },
1589    static: {
1590        srcs: [ ":libc_sources_static" ],
1591        cflags: ["-DLIBC_STATIC"],
1592        whole_static_libs: [
1593            "gwp_asan",
1594            "libc_init_static",
1595            "libc_common_static",
1596            "libc_unwind_static",
1597        ],
1598    },
1599    shared: {
1600        srcs: [ ":libc_sources_shared" ],
1601        whole_static_libs: [
1602            "gwp_asan",
1603            "libc_init_dynamic",
1604            "libc_common_shared",
1605        ],
1606    },
1607
1608    required: [
1609        "tzdata",
1610        "tz_version", // Version metadata for tzdata to help debugging.
1611    ],
1612
1613    // Do not pack libc.so relocations; see http://b/20645321 for details.
1614    pack_relocations: false,
1615
1616    // WARNING: The only libraries libc.so should depend on are libdl.so and ld-android.so!
1617    // If you add other libraries, make sure to add -Wl,--exclude-libs=libgcc.a to the
1618    // LOCAL_LDFLAGS for those libraries.  This ensures that symbols that are pulled into
1619    // those new libraries from libgcc.a are not declared external; if that were the case,
1620    // then libc would not pull those symbols from libgcc.a as it should, instead relying
1621    // on the external symbols from the dependent libraries.  That would create a "cloaked"
1622    // dependency on libgcc.a in libc though the libraries, which is not what you wanted!
1623
1624    shared_libs: [
1625        "ld-android",
1626        "libdl",
1627    ],
1628    static_libs: [
1629        "libdl_android",
1630    ],
1631
1632    nocrt: true,
1633
1634    arch: {
1635        arm: {
1636            // TODO: This is to work around b/24465209. Remove after root cause is fixed.
1637            pack_relocations: false,
1638            ldflags: ["-Wl,--hash-style=both"],
1639
1640            version_script: ":libc.arm.map",
1641
1642            shared: {
1643                srcs: [":libc_sources_shared_arm"],
1644                // special for arm
1645                cflags: ["-DCRT_LEGACY_WORKAROUND"],
1646            },
1647
1648            // Arm 32 bit does not produce complete exidx unwind information
1649            // so keep the .debug_frame which is relatively small and does
1650            // include needed unwind information.
1651            // See b/132992102 for details.
1652            strip: {
1653                keep_symbols_and_debug_frame: true,
1654            },
1655
1656            whole_static_libs: [ "libunwind_llvm" ],
1657        },
1658        arm64: {
1659            version_script: ":libc.arm64.map",
1660
1661            // Leave the symbols in the shared library so that stack unwinders can produce
1662            // meaningful name resolution.
1663            strip: {
1664                keep_symbols: true,
1665            },
1666
1667            whole_static_libs: [ "libgcc_stripped" ],
1668        },
1669        x86: {
1670            // TODO: This is to work around b/24465209. Remove after root cause is fixed.
1671            pack_relocations: false,
1672            ldflags: ["-Wl,--hash-style=both"],
1673
1674            version_script: ":libc.x86.map",
1675
1676            // Leave the symbols in the shared library so that stack unwinders can produce
1677            // meaningful name resolution.
1678            strip: {
1679                keep_symbols: true,
1680            },
1681
1682            whole_static_libs: [ "libgcc_stripped" ],
1683        },
1684        x86_64: {
1685            version_script: ":libc.x86_64.map",
1686
1687            // Leave the symbols in the shared library so that stack unwinders can produce
1688            // meaningful name resolution.
1689            strip: {
1690                keep_symbols: true,
1691            },
1692
1693            whole_static_libs: [ "libgcc_stripped" ],
1694        },
1695    },
1696
1697    stubs: {
1698        symbol_file: "libc.map.txt",
1699        versions: [
1700            "29",
1701            "R",
1702            "10000",
1703        ],
1704    },
1705
1706    apex_available: [
1707        "//apex_available:platform",
1708        "com.android.runtime",
1709    ],
1710
1711    // Sorting bss symbols by size usually results in less dirty pages at run
1712    // time, because small symbols are grouped together.
1713    sort_bss_symbols_by_size: true,
1714}
1715
1716genrule {
1717    name: "libc.arm.map",
1718    out: ["libc.arm.map"],
1719    srcs: ["libc.map.txt"],
1720    tool_files: [":bionic-generate-version-script"],
1721    cmd: "$(location :bionic-generate-version-script) arm $(in) $(out)",
1722}
1723
1724genrule {
1725    name: "libc.arm64.map",
1726    out: ["libc.arm64.map"],
1727    srcs: ["libc.map.txt"],
1728    tool_files: [":bionic-generate-version-script"],
1729    cmd: "$(location :bionic-generate-version-script) arm64 $(in) $(out)",
1730}
1731
1732genrule {
1733    name: "libc.x86.map",
1734    out: ["libc.x86.map"],
1735    srcs: ["libc.map.txt"],
1736    tool_files: [":bionic-generate-version-script"],
1737    cmd: "$(location :bionic-generate-version-script) x86 $(in) $(out)",
1738}
1739
1740genrule {
1741    name: "libc.x86_64.map",
1742    out: ["libc.x86_64.map"],
1743    srcs: ["libc.map.txt"],
1744    tool_files: [":bionic-generate-version-script"],
1745    cmd: "$(location :bionic-generate-version-script) x86_64 $(in) $(out)",
1746}
1747
1748// Headers that only other parts of the platform can include.
1749cc_library_headers {
1750    name: "bionic_libc_platform_headers",
1751    visibility: [
1752        "//art:__subpackages__",
1753        "//bionic:__subpackages__",
1754        "//frameworks:__subpackages__",
1755        "//device/generic/goldfish-opengl:__subpackages__",
1756        "//external/gwp_asan:__subpackages__",
1757        "//external/perfetto:__subpackages__",
1758        "//external/scudo:__subpackages__",
1759        "//system/core/debuggerd:__subpackages__",
1760        "//system/memory/libmemunreachable:__subpackages__",
1761    ],
1762    host_supported: true,
1763    vendor_available: true,
1764    ramdisk_available: true,
1765    recovery_available: true,
1766    native_bridge_supported: true,
1767    export_include_dirs: [
1768        "platform",
1769    ],
1770    system_shared_libs: [],
1771    stl: "none",
1772    sdk_version: "current",
1773
1774    apex_available: [
1775        "//apex_available:platform",
1776        "com.android.runtime",
1777        "com.android.art.release", // from libdexfile_external
1778        "com.android.art.debug", // from libdexfile_external
1779    ],
1780}
1781
1782// libc_headers for libasync_safe and libpropertyinfoparser
1783cc_library_headers {
1784    name: "libc_headers",
1785
1786    host_supported: true,
1787    vendor_available: true,
1788    ramdisk_available: true,
1789    recovery_available: true,
1790    native_bridge_supported: true,
1791    apex_available: [
1792        "//apex_available:platform",
1793        "//apex_available:anyapex",
1794    ],
1795    // used by most APEXes indirectly via libunwind_llvm
1796    min_sdk_version: "apex_inherit",
1797    visibility: [
1798        ":__subpackages__", // visible to bionic
1799        // ... and only to these places (b/152668052)
1800        "//external/gwp_asan",
1801        "//external/libunwind_llvm",
1802        "//system/core/property_service/libpropertyinfoparser",
1803        "//system/extras/toolchain-extras",
1804    ],
1805
1806    no_libcrt: true,
1807    stl: "none",
1808    system_shared_libs: [],
1809
1810    // The build system generally requires that any dependencies of a target
1811    // with an sdk_version must have a lower sdk_version. By setting sdk_version
1812    // to 1 we let targets with an sdk_version that need to depend on the libc
1813    // headers but cannot depend on libc itself due to circular dependencies
1814    // (such as libunwind_llvm) depend on the headers. Setting sdk_version to 1
1815    // is correct because the headers can support any sdk_version.
1816    sdk_version: "1",
1817
1818    export_include_dirs: [
1819        "include",
1820        "kernel/uapi",
1821        "kernel/android/uapi",
1822    ],
1823
1824    arch: {
1825        arm: {
1826            export_include_dirs: [
1827                "kernel/uapi/asm-arm",
1828            ],
1829        },
1830        arm64: {
1831            export_include_dirs: [
1832                "kernel/uapi/asm-arm64",
1833            ],
1834        },
1835        x86: {
1836            export_include_dirs: [
1837                "kernel/uapi/asm-x86",
1838            ],
1839        },
1840        x86_64: {
1841            export_include_dirs: [
1842                "kernel/uapi/asm-x86",
1843            ],
1844        },
1845    },
1846}
1847
1848// ========================================================
1849// libstdc++.so and libstdc++.a.
1850// ========================================================
1851
1852cc_library {
1853    defaults: ["libc_defaults"],
1854    include_dirs: ["bionic/libstdc++/include"],
1855    srcs: [
1856        "bionic/__cxa_guard.cpp",
1857        "bionic/__cxa_pure_virtual.cpp",
1858        "bionic/new.cpp",
1859    ],
1860    name: "libstdc++",
1861    static_ndk_lib: true,
1862    static_libs: ["libasync_safe"],
1863
1864    static: {
1865        system_shared_libs: [],
1866    },
1867    shared: {
1868        system_shared_libs: ["libc"],
1869    },
1870
1871    //TODO (dimitry): This is to work around b/24465209. Remove after root cause is fixed
1872    arch: {
1873        arm: {
1874            // TODO: This is to work around b/24465209. Remove after root cause is fixed.
1875            pack_relocations: false,
1876            ldflags: ["-Wl,--hash-style=both"],
1877            version_script: ":libstdc++.arm.map",
1878        },
1879        arm64: {
1880            version_script: ":libstdc++.arm64.map",
1881        },
1882        x86: {
1883            pack_relocations: false,
1884            ldflags: ["-Wl,--hash-style=both"],
1885            version_script: ":libstdc++.x86.map",
1886        },
1887        x86_64: {
1888            version_script: ":libstdc++.x86_64.map",
1889        },
1890    },
1891}
1892
1893genrule {
1894    name: "libstdc++.arm.map",
1895    out: ["libstdc++.arm.map"],
1896    srcs: ["libstdc++.map.txt"],
1897    tool_files: [":bionic-generate-version-script"],
1898    cmd: "$(location :bionic-generate-version-script) arm $(in) $(out)",
1899}
1900
1901genrule {
1902    name: "libstdc++.arm64.map",
1903    out: ["libstdc++.arm64.map"],
1904    srcs: ["libstdc++.map.txt"],
1905    tool_files: [":bionic-generate-version-script"],
1906    cmd: "$(location :bionic-generate-version-script) arm64 $(in) $(out)",
1907}
1908
1909genrule {
1910    name: "libstdc++.x86.map",
1911    out: ["libstdc++.x86.map"],
1912    srcs: ["libstdc++.map.txt"],
1913    tool_files: [":bionic-generate-version-script"],
1914    cmd: "$(location :bionic-generate-version-script) x86 $(in) $(out)",
1915}
1916
1917genrule {
1918    name: "libstdc++.x86_64.map",
1919    out: ["libstdc++.x86_64.map"],
1920    srcs: ["libstdc++.map.txt"],
1921    tool_files: [":bionic-generate-version-script"],
1922    cmd: "$(location :bionic-generate-version-script) x86_64 $(in) $(out)",
1923}
1924
1925// ========================================================
1926// crt object files.
1927// ========================================================
1928
1929cc_defaults {
1930    name: "crt_defaults",
1931    defaults: ["linux_bionic_supported"],
1932    vendor_available: true,
1933    ramdisk_available: true,
1934    recovery_available: true,
1935    native_bridge_supported: true,
1936    apex_available: [
1937        "//apex_available:platform",
1938        "//apex_available:anyapex",
1939    ],
1940    // crt* objects are used by most cc_binary/cc_library in "anyapex"
1941    min_sdk_version: "apex_inherit",
1942    cflags: [
1943        "-Wno-gcc-compat",
1944        "-Wall",
1945        "-Werror",
1946    ],
1947    sanitize: {
1948        never: true,
1949    },
1950}
1951
1952cc_defaults {
1953    name: "crt_so_defaults",
1954    defaults: ["crt_defaults"],
1955
1956    arch: {
1957        x86: {
1958            cflags: ["-fPIC"],
1959        },
1960        x86_64: {
1961            cflags: ["-fPIC"],
1962        },
1963    },
1964    stl: "none",
1965}
1966
1967cc_object {
1968    name: "crtbrand",
1969    // crtbrand.c needs <stdint.h> and a #define for the platform SDK version.
1970    local_include_dirs: ["include"],
1971    product_variables: {
1972        platform_sdk_version: {
1973            asflags: ["-DPLATFORM_SDK_VERSION=%d"],
1974        },
1975    },
1976    srcs: ["arch-common/bionic/crtbrand.S"],
1977
1978    defaults: ["crt_so_defaults"],
1979}
1980
1981cc_object {
1982    name: "crtbegin_so1",
1983    local_include_dirs: ["include"],
1984    srcs: ["arch-common/bionic/crtbegin_so.c"],
1985
1986    defaults: ["crt_so_defaults"],
1987}
1988
1989cc_object {
1990    name: "crtbegin_so",
1991
1992    defaults: ["crt_so_defaults"],
1993    objs: [
1994        "crtbegin_so1",
1995        "crtbrand",
1996    ],
1997}
1998
1999cc_object {
2000    name: "crtend_so",
2001    local_include_dirs: ["include"],
2002    srcs: ["arch-common/bionic/crtend_so.S"],
2003
2004    defaults: ["crt_so_defaults"],
2005}
2006
2007cc_object {
2008    name: "crtbegin_static1",
2009    local_include_dirs: ["include"],
2010    srcs: ["arch-common/bionic/crtbegin.c"],
2011    defaults: ["crt_defaults"],
2012}
2013
2014cc_object {
2015    name: "crtbegin_static",
2016
2017    objs: [
2018        "crtbegin_static1",
2019        "crtbrand",
2020    ],
2021    defaults: ["crt_defaults"],
2022}
2023
2024cc_object {
2025    name: "crtbegin_dynamic1",
2026    local_include_dirs: ["include"],
2027    srcs: ["arch-common/bionic/crtbegin.c"],
2028    defaults: ["crt_defaults"],
2029}
2030
2031cc_object {
2032    name: "crtbegin_dynamic",
2033
2034    objs: [
2035        "crtbegin_dynamic1",
2036        "crtbrand",
2037    ],
2038    target: {
2039        linux_bionic: {
2040            generated_sources: ["host_bionic_linker_asm"],
2041            objs: [
2042                "linker_wrapper",
2043            ],
2044        },
2045    },
2046    defaults: ["crt_defaults"],
2047}
2048
2049cc_object {
2050    // We rename crtend.o to crtend_android.o to avoid a
2051    // name clash between gcc and bionic.
2052    name: "crtend_android",
2053    local_include_dirs: ["include"],
2054    srcs: ["arch-common/bionic/crtend.S"],
2055
2056    defaults: ["crt_defaults"],
2057}
2058
2059// ========================================================
2060// NDK headers.
2061// ========================================================
2062
2063versioned_ndk_headers {
2064    name: "common_libc",
2065    from: "include",
2066    to: "",
2067    license: "NOTICE",
2068}
2069
2070ndk_headers {
2071    name: "libc_uapi",
2072    from: "kernel/uapi",
2073    to: "",
2074    srcs: [
2075        "kernel/uapi/asm-generic/**/*.h",
2076        "kernel/uapi/drm/**/*.h",
2077        "kernel/uapi/linux/**/*.h",
2078        "kernel/uapi/misc/**/*.h",
2079        "kernel/uapi/mtd/**/*.h",
2080        "kernel/uapi/rdma/**/*.h",
2081        "kernel/uapi/scsi/**/*.h",
2082        "kernel/uapi/sound/**/*.h",
2083        "kernel/uapi/video/**/*.h",
2084        "kernel/uapi/xen/**/*.h",
2085    ],
2086    license: "NOTICE",
2087}
2088
2089ndk_headers {
2090    name: "libc_kernel_android_uapi_linux",
2091    from: "kernel/android/uapi/linux",
2092    to: "linux",
2093    srcs: ["kernel/android/uapi/linux/**/*.h"],
2094    license: "NOTICE",
2095}
2096
2097ndk_headers {
2098    name: "libc_kernel_android_scsi",
2099    from: "kernel/android/scsi/scsi",
2100    to: "scsi",
2101    srcs: ["kernel/android/scsi/**/*.h"],
2102    license: "NOTICE",
2103}
2104
2105ndk_headers {
2106    name: "libc_asm_arm",
2107    from: "kernel/uapi/asm-arm",
2108    to: "arm-linux-androideabi",
2109    srcs: ["kernel/uapi/asm-arm/**/*.h"],
2110    license: "NOTICE",
2111}
2112
2113ndk_headers {
2114    name: "libc_asm_arm64",
2115    from: "kernel/uapi/asm-arm64",
2116    to: "aarch64-linux-android",
2117    srcs: ["kernel/uapi/asm-arm64/**/*.h"],
2118    license: "NOTICE",
2119}
2120
2121ndk_headers {
2122    name: "libc_asm_x86",
2123    from: "kernel/uapi/asm-x86",
2124    to: "i686-linux-android",
2125    srcs: ["kernel/uapi/asm-x86/**/*.h"],
2126    license: "NOTICE",
2127}
2128
2129ndk_headers {
2130    name: "libc_asm_x86_64",
2131    from: "kernel/uapi/asm-x86",
2132    to: "x86_64-linux-android",
2133    srcs: ["kernel/uapi/asm-x86/**/*.h"],
2134    license: "NOTICE",
2135}
2136
2137ndk_library {
2138    name: "libc",
2139    native_bridge_supported: true,
2140    symbol_file: "libc.map.txt",
2141    first_version: "9",
2142}
2143
2144llndk_library {
2145    name: "libc",
2146    symbol_file: "libc.map.txt",
2147    export_headers_as_system: true,
2148    export_preprocessed_headers: ["include"],
2149    native_bridge_supported: true,
2150    export_include_dirs: [
2151        "kernel/android/scsi",
2152        "kernel/android/uapi",
2153        "kernel/uapi",
2154    ],
2155    arch: {
2156        arm: {
2157            export_include_dirs: [
2158                "kernel/uapi/asm-arm",
2159            ],
2160        },
2161        arm64: {
2162            export_include_dirs: [
2163                "kernel/uapi/asm-arm64",
2164            ],
2165        },
2166        x86: {
2167            export_include_dirs: [
2168                "kernel/uapi/asm-x86",
2169            ],
2170        },
2171        x86_64: {
2172            export_include_dirs: [
2173                "kernel/uapi/asm-x86",
2174            ],
2175        },
2176    },
2177}
2178
2179ndk_library {
2180    name: "libstdc++",
2181    symbol_file: "libstdc++.map.txt",
2182    first_version: "9",
2183}
2184
2185// Export these headers for toolbox to process
2186filegroup {
2187    name: "kernel_input_headers",
2188    srcs: [
2189        "kernel/uapi/linux/input.h",
2190        "kernel/uapi/linux/input-event-codes.h",
2191    ],
2192}
2193
2194// Generate a syscall name / number mapping. These objects are text files
2195// (thanks to the -dD -E flags) and not binary files. They will then be
2196// consumed by the genseccomp.py script and converted into C++ code.
2197cc_defaults {
2198    name: "libseccomp_gen_syscall_nrs_defaults",
2199    recovery_available: true,
2200    srcs: ["seccomp/gen_syscall_nrs.cpp"],
2201    cflags: [
2202        "-dD",
2203        "-E",
2204        "-Wall",
2205        "-Werror",
2206        "-nostdinc",
2207    ],
2208}
2209
2210cc_object {
2211    name: "libseccomp_gen_syscall_nrs_arm",
2212    defaults: ["libseccomp_gen_syscall_nrs_defaults"],
2213    local_include_dirs: [
2214        "kernel/uapi/asm-arm",
2215        "kernel/uapi",
2216    ],
2217}
2218
2219cc_object {
2220    name: "libseccomp_gen_syscall_nrs_arm64",
2221    defaults: ["libseccomp_gen_syscall_nrs_defaults"],
2222    local_include_dirs: [
2223        "kernel/uapi/asm-arm64",
2224        "kernel/uapi",
2225    ],
2226}
2227
2228cc_object {
2229    name: "libseccomp_gen_syscall_nrs_x86",
2230    defaults: ["libseccomp_gen_syscall_nrs_defaults"],
2231    srcs: ["seccomp/gen_syscall_nrs_x86.cpp"],
2232    exclude_srcs: ["seccomp/gen_syscall_nrs.cpp"],
2233    local_include_dirs: [
2234        "kernel/uapi/asm-x86",
2235        "kernel/uapi",
2236    ],
2237}
2238
2239cc_object {
2240    name: "libseccomp_gen_syscall_nrs_x86_64",
2241    defaults: ["libseccomp_gen_syscall_nrs_defaults"],
2242    srcs: ["seccomp/gen_syscall_nrs_x86_64.cpp"],
2243    exclude_srcs: ["seccomp/gen_syscall_nrs.cpp"],
2244    local_include_dirs: [
2245        "kernel/uapi/asm-x86",
2246        "kernel/uapi",
2247    ],
2248}
2249
2250// Generate the C++ policy sources for app and system seccomp-bpf filters.
2251python_binary_host {
2252    name: "genseccomp",
2253    main: "tools/genseccomp.py",
2254
2255    srcs: [
2256        "tools/genseccomp.py",
2257        "tools/gensyscalls.py",
2258    ],
2259
2260    data: [
2261        "kernel/uapi/**/*.h",
2262    ],
2263
2264    version: {
2265        py2: {
2266            enabled: true,
2267        },
2268        py3: {
2269            enabled: false,
2270        },
2271    },
2272}
2273
2274python_binary_host {
2275    name: "genfunctosyscallnrs",
2276    main: "tools/genfunctosyscallnrs.py",
2277
2278    srcs: [
2279        "tools/genseccomp.py",
2280        "tools/genfunctosyscallnrs.py",
2281        "tools/gensyscalls.py",
2282    ],
2283
2284    data: [
2285        "kernel/uapi/**/*.h",
2286    ],
2287
2288    version: {
2289        py2: {
2290            enabled: true,
2291        },
2292        py3: {
2293            enabled: false,
2294        },
2295    },
2296}
2297
2298cc_genrule {
2299    name: "func_to_syscall_nrs",
2300    recovery_available: true,
2301    cmd: "$(location genfunctosyscallnrs) --out-dir=$(genDir) $(in)",
2302
2303    tools: [ "genfunctosyscallnrs" ],
2304
2305    srcs: [
2306        "SYSCALLS.TXT",
2307        ":libseccomp_gen_syscall_nrs_arm",
2308        ":libseccomp_gen_syscall_nrs_arm64",
2309        ":libseccomp_gen_syscall_nrs_x86",
2310        ":libseccomp_gen_syscall_nrs_x86_64",
2311    ],
2312
2313    out: [
2314        "func_to_syscall_nrs.h",
2315    ],
2316}
2317
2318// SECCOMP_BLACKLIST_APP_ZYGOTE.TXT = SECCOMP_BLACKLIST_APP.txt - setresgid*
2319genrule {
2320    name: "generate_app_zygote_blacklist",
2321    out: ["SECCOMP_BLACKLIST_APP_ZYGOTE.TXT"],
2322    srcs: ["SECCOMP_BLACKLIST_APP.TXT"],
2323    cmd: "grep -v '^int[ \t]*setresgid' $(in) > $(out)",
2324}
2325
2326cc_genrule {
2327    name: "libseccomp_policy_app_zygote_sources",
2328    recovery_available: true,
2329    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=app_zygote $(in)",
2330
2331    tools: [ "genseccomp" ],
2332
2333    srcs: [
2334        "SYSCALLS.TXT",
2335        "SECCOMP_WHITELIST_COMMON.TXT",
2336        "SECCOMP_WHITELIST_APP.TXT",
2337        "SECCOMP_BLACKLIST_COMMON.TXT",
2338        "SECCOMP_PRIORITY.TXT",
2339        ":generate_app_zygote_blacklist",
2340        ":libseccomp_gen_syscall_nrs_arm",
2341        ":libseccomp_gen_syscall_nrs_arm64",
2342        ":libseccomp_gen_syscall_nrs_x86",
2343        ":libseccomp_gen_syscall_nrs_x86_64",
2344    ],
2345
2346    out: [
2347        "arm64_app_zygote_policy.cpp",
2348        "arm_app_zygote_policy.cpp",
2349        "x86_64_app_zygote_policy.cpp",
2350        "x86_app_zygote_policy.cpp",
2351    ],
2352}
2353
2354cc_genrule {
2355    name: "libseccomp_policy_app_sources",
2356    recovery_available: true,
2357    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=app $(in)",
2358
2359    tools: [ "genseccomp" ],
2360
2361    srcs: [
2362        "SYSCALLS.TXT",
2363        "SECCOMP_WHITELIST_COMMON.TXT",
2364        "SECCOMP_WHITELIST_APP.TXT",
2365        "SECCOMP_BLACKLIST_COMMON.TXT",
2366        "SECCOMP_BLACKLIST_APP.TXT",
2367        "SECCOMP_PRIORITY.TXT",
2368        ":libseccomp_gen_syscall_nrs_arm",
2369        ":libseccomp_gen_syscall_nrs_arm64",
2370        ":libseccomp_gen_syscall_nrs_x86",
2371        ":libseccomp_gen_syscall_nrs_x86_64",
2372    ],
2373
2374    out: [
2375        "arm64_app_policy.cpp",
2376        "arm_app_policy.cpp",
2377        "x86_64_app_policy.cpp",
2378        "x86_app_policy.cpp",
2379    ],
2380}
2381
2382cc_genrule {
2383    name: "libseccomp_policy_system_sources",
2384    recovery_available: true,
2385    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=system $(in)",
2386
2387    tools: [ "genseccomp" ],
2388
2389    srcs: [
2390        "SYSCALLS.TXT",
2391        "SECCOMP_WHITELIST_COMMON.TXT",
2392        "SECCOMP_WHITELIST_SYSTEM.TXT",
2393        "SECCOMP_BLACKLIST_COMMON.TXT",
2394        "SECCOMP_PRIORITY.TXT",
2395        ":libseccomp_gen_syscall_nrs_arm",
2396        ":libseccomp_gen_syscall_nrs_arm64",
2397        ":libseccomp_gen_syscall_nrs_x86",
2398        ":libseccomp_gen_syscall_nrs_x86_64",
2399    ],
2400
2401    out: [
2402        "arm64_system_policy.cpp",
2403        "arm_system_policy.cpp",
2404        "x86_64_system_policy.cpp",
2405        "x86_system_policy.cpp",
2406    ],
2407}
2408
2409cc_library {
2410    name: "libseccomp_policy",
2411    recovery_available: true,
2412    generated_headers: ["func_to_syscall_nrs"],
2413    generated_sources: [
2414        "libseccomp_policy_app_sources",
2415        "libseccomp_policy_app_zygote_sources",
2416        "libseccomp_policy_system_sources",
2417    ],
2418
2419    srcs: [
2420        "seccomp/seccomp_policy.cpp",
2421    ],
2422
2423    export_include_dirs: ["seccomp/include"],
2424    cflags: [
2425        "-Wall",
2426        "-Werror",
2427    ],
2428    shared: {
2429        shared_libs: ["libbase"],
2430    },
2431    static: {
2432        static_libs: ["libbase"],
2433    },
2434}
2435
2436// This is a temporary library that will use scudo as the native memory
2437// allocator. To use it, add it as the first shared library.
2438cc_defaults {
2439    name: "libc_scudo_wrapper_defaults",
2440    srcs: [
2441        "bionic/gwp_asan_wrappers.cpp",
2442        "bionic/heap_tagging.cpp",
2443        "bionic/malloc_common.cpp",
2444        "bionic/malloc_common_dynamic.cpp",
2445        "bionic/malloc_heapprofd.cpp",
2446        "bionic/malloc_limit.cpp",
2447        "bionic/scudo_wrapper.cpp",
2448        "bionic/__set_errno.cpp",
2449    ],
2450    cflags: [
2451        "-DUSE_SCUDO",
2452        "-fno-emulated-tls", // Required for GWP-ASan.
2453    ],
2454    shared_libs: ["libscudo_wrapper"],
2455
2456    header_libs: [
2457        "libc_headers",
2458        "gwp_asan_headers",
2459    ],
2460
2461    static_libs: [
2462        "libasync_safe",
2463        "gwp_asan",
2464    ],
2465
2466    arch: {
2467        arm: {
2468            srcs: [":syscalls-arm.S"],
2469        },
2470        arm64: {
2471            srcs: [":syscalls-arm64.S"],
2472        },
2473        x86: {
2474            srcs: [
2475                "arch-x86/bionic/__libc_init_sysinfo.cpp",
2476                ":syscalls-x86.S",
2477            ],
2478        },
2479        x86_64: {
2480            srcs: [":syscalls-x86_64.S"],
2481        },
2482    },
2483
2484    // Mark this library as global so it overrides all the allocation
2485    // definitions properly.
2486    ldflags: ["-Wl,-z,global"],
2487}
2488
2489cc_library_shared {
2490    name: "libc_scudo",
2491    vendor_available: true,
2492    stl: "none",
2493    system_shared_libs: [],
2494
2495    allow_undefined_symbols: true,
2496    // Like libc, disable native coverage for libc_scudo.
2497    native_coverage: false,
2498    apex_available: [
2499        "//apex_available:platform",
2500        "com.android.media.swcodec",
2501    ],
2502    min_sdk_version: "apex_inherit",
2503}
2504
2505subdirs = [
2506    "bionic/scudo",
2507]
2508