xref: /aosp_15_r20/bionic/libc/Android.bp (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)
1package {
2    default_applicable_licenses: ["bionic_libc_license"],
3}
4
5license {
6    name: "bionic_libc_license",
7    visibility: [":__subpackages__"],
8    license_kinds: [
9        "SPDX-license-identifier-Apache-2.0",
10        "SPDX-license-identifier-BSD",
11        "SPDX-license-identifier-ISC",
12        "SPDX-license-identifier-MIT",
13        "legacy_notice",
14        "legacy_unencumbered",
15    ],
16    license_text: [
17        "NOTICE",
18    ],
19}
20
21libc_common_flags = [
22    "-D_LIBC=1",
23    "-D__BIONIC_LP32_USE_STAT64",
24    "-Wall",
25    "-Wextra",
26    "-Wunused",
27    "-Wno-char-subscripts",
28    "-Wno-deprecated-declarations",
29    "-Wno-gcc-compat",
30    "-Wframe-larger-than=2048",
31    "-Wno-reorder-init-list",
32
33    // Try to catch typical 32-bit assumptions that break with 64-bit pointers.
34    "-Werror=pointer-to-int-cast",
35    "-Werror=int-to-pointer-cast",
36    "-Werror=type-limits",
37    "-Werror",
38
39    // Clang's exit-time destructor registration hides __dso_handle, but
40    // __dso_handle needs to have default visibility on ARM32. See b/73485611.
41    "-Wexit-time-destructors",
42
43    // We know clang does a lot of harm by rewriting what we've said, and sadly
44    // never see any good it does, so let's just ask it to do what we say...
45    // (The specific motivating example was clang turning a loop that would only
46    // ever touch 0, 1, or 2 bytes into a call to memset, which was never going
47    // to amortize.)
48    "-fno-builtin",
49]
50
51// Define some common cflags
52// ========================================================
53cc_defaults {
54    name: "libc_defaults",
55    defaults: ["linux_bionic_supported"],
56    cflags: libc_common_flags + [
57        "-DUSE_SCUDO",
58    ],
59    asflags: libc_common_flags,
60    conlyflags: ["-std=gnu99"],
61    cppflags: [],
62    include_dirs: [
63        "bionic/libc/async_safe/include",
64        "bionic/libc/platform",
65        // For android_filesystem_config.h.
66        "system/core/libcutils/include",
67    ],
68
69    header_libs: [
70        "libc_headers",
71        "liblog_headers", // needed by bionic/libc/async_safe/include
72    ],
73    export_header_lib_headers: [
74        "libc_headers",
75    ],
76
77    stl: "none",
78    system_shared_libs: [],
79    sanitize: {
80        address: false,
81        integer_overflow: false,
82        // TODO(b/132640749): Fix broken fuzzer support.
83        fuzzer: false,
84    },
85    ramdisk_available: true,
86    vendor_ramdisk_available: true,
87    recovery_available: true,
88    native_bridge_supported: true,
89
90    product_variables: {
91        malloc_zero_contents: {
92            cflags: ["-DSCUDO_ZERO_CONTENTS"],
93        },
94        malloc_pattern_fill_contents: {
95            cflags: ["-DSCUDO_PATTERN_FILL_CONTENTS"],
96        },
97        malloc_low_memory: {
98            cflags: ["-UUSE_SCUDO"],
99        },
100    },
101
102    lto: {
103        never: true,
104    },
105
106    apex_available: ["com.android.runtime"],
107
108    tidy_disabled_srcs: ["upstream-*/**/*.c"],
109}
110
111// Workaround for b/24465209.
112// We're unlikely to be able to remove this before we just
113// remove ILP32 support completely.
114// Note that we also still have `pack_relocations: false`
115// for both libc and libm, even on LP64.
116// ========================================================
117cc_defaults {
118    name: "bug_24465209_workaround",
119    target: {
120        android_arm: {
121            pack_relocations: false,
122            ldflags: ["-Wl,--hash-style=both"],
123        },
124        android_x86: {
125            pack_relocations: false,
126            ldflags: ["-Wl,--hash-style=both"],
127        },
128    },
129}
130
131// Leave the symbols in the shared library so that stack unwinders can produce
132// meaningful name resolution. This is a bit more ugly than it sounds because
133// arm32 is a bit broken.
134// ========================================================
135cc_defaults {
136    name: "keep_symbols",
137    arch: {
138        arm: {
139            // arm32 does not produce complete exidx unwind information,
140            // so keep the .debug_frame which is relatively small and does
141            // include needed unwind information.
142            // See b/132992102 for details.
143            strip: {
144                keep_symbols_and_debug_frame: true,
145            },
146        },
147        arm64: {
148            strip: {
149                keep_symbols: true,
150            },
151        },
152        riscv64: {
153            strip: {
154                keep_symbols: true,
155            },
156        },
157        x86: {
158            strip: {
159                keep_symbols: true,
160            },
161        },
162        x86_64: {
163            strip: {
164                keep_symbols: true,
165            },
166        },
167    },
168}
169
170// Defaults for native allocator libs/includes to make it
171// easier to change.
172// ========================================================
173cc_defaults {
174    name: "libc_native_allocator_defaults",
175
176    whole_static_libs: [
177        "libscudo",
178    ],
179    cflags: [
180        "-DUSE_SCUDO",
181    ],
182    header_libs: ["gwp_asan_headers"],
183    product_variables: {
184        malloc_low_memory: {
185            cflags: ["-UUSE_SCUDO"],
186            whole_static_libs: [
187                "libjemalloc5",
188                "libc_jemalloc_wrapper",
189            ],
190            exclude_static_libs: [
191                "libscudo",
192            ],
193        },
194    },
195}
196
197// Functions not implemented by jemalloc directly, or that need to
198// be modified for Android.
199cc_library_static {
200    name: "libc_jemalloc_wrapper",
201    defaults: ["libc_defaults"],
202    srcs: ["bionic/jemalloc_wrapper.cpp"],
203    cflags: ["-fvisibility=hidden"],
204
205    // Used to pull in the jemalloc include directory so that if the
206    // library is removed, the include directory is also removed.
207    static_libs: ["libjemalloc5"],
208}
209
210// ========================================================
211// libc_bootstrap.a - -fno-stack-protector and -ffreestanding
212// ========================================================
213//
214// Code that implements the stack protector (or that runs before TLS has been set up) needs to be
215// compiled with -fno-stack-protector, since it accesses the stack canary TLS slot. In the linker,
216// some of this code runs before ifunc resolvers have made string.h functions work, so compile with
217// -ffreestanding.
218
219cc_library_static {
220
221    srcs: [
222        "bionic/__libc_init_main_thread.cpp",
223        "bionic/__stack_chk_fail.cpp",
224        "bionic/bionic_call_ifunc_resolver.cpp",
225        "bionic/getauxval.cpp",
226    ],
227    arch: {
228        arm64: {
229            srcs: ["arch-arm64/bionic/__set_tls.c"],
230        },
231        riscv64: {
232            srcs: ["arch-riscv64/bionic/__set_tls.c"],
233        },
234        x86: {
235            srcs: [
236                "arch-x86/bionic/__libc_init_sysinfo.cpp",
237                "arch-x86/bionic/__libc_int0x80.S",
238                "arch-x86/bionic/__set_tls.cpp",
239            ],
240        },
241        x86_64: {
242            srcs: ["arch-x86_64/bionic/__set_tls.c"],
243        },
244    },
245
246    defaults: ["libc_defaults"],
247    cflags: [
248        "-fno-stack-protector",
249        "-ffreestanding",
250    ],
251    name: "libc_bootstrap",
252}
253
254filegroup {
255    name: "elf_note_sources",
256    srcs: ["bionic/elf_note.cpp"],
257}
258
259// libc_init_static.cpp and libc_init_dynamic.cpp need to be built without stack protector.
260// libc_init_static.cpp sets up TLS for static executables, and libc_init_dynamic.cpp initializes
261// the stack protector global variable.
262
263cc_library_static {
264    name: "libc_init_static",
265    defaults: ["libc_defaults"],
266    srcs: [
267        "bionic/libc_init_mte.cpp",
268        "bionic/libc_init_static.cpp",
269        ":elf_note_sources",
270    ],
271    cflags: [
272        "-fno-stack-protector",
273
274        // Compile libc_init_static.cpp with -ffreestanding, because some of its code is called
275        // from the linker before ifunc resolvers have made string.h functions available.
276        "-ffreestanding",
277    ],
278}
279
280cc_library_static {
281    name: "libc_init_dynamic",
282    defaults: ["libc_defaults"],
283    srcs: ["bionic/libc_init_dynamic.cpp"],
284    cflags: ["-fno-stack-protector"],
285}
286
287// ========================================================
288// libc_tzcode.a - upstream 'tzcode' code
289// ========================================================
290
291cc_library_static {
292
293    defaults: ["libc_defaults"],
294    srcs: [
295        "tzcode/**/*.c",
296        "tzcode/bionic.cpp",
297        // tzcode doesn't include strptime, so we use a fork of the
298        // OpenBSD code which needs this global data.
299        "upstream-openbsd/lib/libc/locale/_def_time.c",
300        // tzcode doesn't include wcsftime, so we use the FreeBSD code.
301        "upstream-freebsd/lib/libc/locale/wcsftime.c",
302    ],
303
304    cflags: [
305        "-Wno-unused-parameter",
306        // Don't use ridiculous amounts of stack.
307        "-DALL_STATE",
308        // Include tzsetwall, timelocal, timegm, time2posix, and posix2time.
309        "-DSTD_INSPIRED",
310        // Obviously, we want to be thread-safe.
311        "-DTHREAD_SAFE=1",
312        // The name of the tm_gmtoff field in our struct tm.
313        "-DTM_GMTOFF=tm_gmtoff",
314        // Android uses a system property instead of /etc/localtime, so make callers crash.
315        "-DTZDEFAULT=NULL",
316        // Where we store our tzdata.
317        "-DTZDIR=\"/system/usr/share/zoneinfo\"",
318        // Include `tzname`, `timezone`, and `daylight` globals.
319        "-DHAVE_POSIX_DECLS=0",
320        "-DUSG_COMPAT=2",
321        "-DHAVE_TZNAME=2",
322        // stdbool.h is available
323        "-DHAVE_STDBOOL_H",
324        // Use the empty string (instead of "   ") as the timezone abbreviation
325        // fallback.
326        "-DWILDABBR=\"\"",
327        "-Dlint",
328    ],
329
330    local_include_dirs: [
331        "tzcode/",
332        "upstream-freebsd/android/include",
333    ],
334    name: "libc_tzcode",
335}
336
337// ========================================================
338// libc_dns.a - modified NetBSD DNS code
339// ========================================================
340
341cc_library_static {
342
343    defaults: ["libc_defaults"],
344    srcs: [
345        "dns/**/*.c*",
346
347        "upstream-netbsd/lib/libc/isc/ev_streams.c",
348        "upstream-netbsd/lib/libc/isc/ev_timers.c",
349    ],
350
351    cflags: [
352        "-DANDROID_CHANGES",
353        "-DINET6",
354        "-Wno-unused-parameter",
355        "-include netbsd-compat.h",
356        "-Wframe-larger-than=66000",
357    ],
358
359    local_include_dirs: [
360        "dns/include",
361        "private",
362        "upstream-netbsd/lib/libc/include",
363        "upstream-netbsd/android/include",
364    ],
365
366    name: "libc_dns",
367}
368
369// ========================================================
370// libc_freebsd.a - upstream FreeBSD C library code
371// ========================================================
372//
373// These files are built with the freebsd-compat.h header file
374// automatically included.
375
376cc_library_static {
377    name: "libc_freebsd_ldexp",
378    defaults: ["libc_defaults"],
379    cflags: ["-Dscalbn=ldexp"],
380    srcs: [":libc_ldexp_srcs"],
381}
382
383cc_library_static {
384    defaults: ["libc_defaults"],
385    srcs: [
386        "upstream-freebsd/lib/libc/stdlib/getopt_long.c",
387        "upstream-freebsd/lib/libc/stdlib/hcreate.c",
388        "upstream-freebsd/lib/libc/stdlib/hcreate_r.c",
389        "upstream-freebsd/lib/libc/stdlib/hdestroy_r.c",
390        "upstream-freebsd/lib/libc/stdlib/hsearch_r.c",
391        "upstream-freebsd/lib/libc/stdlib/qsort.c",
392        "upstream-freebsd/lib/libc/stdlib/qsort_r.c",
393        "upstream-freebsd/lib/libc/stdlib/quick_exit.c",
394        "upstream-freebsd/lib/libc/string/wcpcpy.c",
395        "upstream-freebsd/lib/libc/string/wcpncpy.c",
396        "upstream-freebsd/lib/libc/string/wcscasecmp.c",
397        "upstream-freebsd/lib/libc/string/wcscat.c",
398        "upstream-freebsd/lib/libc/string/wcschr.c",
399        "upstream-freebsd/lib/libc/string/wcscmp.c",
400        "upstream-freebsd/lib/libc/string/wcscpy.c",
401        "upstream-freebsd/lib/libc/string/wcscspn.c",
402        "upstream-freebsd/lib/libc/string/wcsdup.c",
403        "upstream-freebsd/lib/libc/string/wcslcat.c",
404        "upstream-freebsd/lib/libc/string/wcslen.c",
405        "upstream-freebsd/lib/libc/string/wcsncasecmp.c",
406        "upstream-freebsd/lib/libc/string/wcsncat.c",
407        "upstream-freebsd/lib/libc/string/wcsncmp.c",
408        "upstream-freebsd/lib/libc/string/wcsncpy.c",
409        "upstream-freebsd/lib/libc/string/wcsnlen.c",
410        "upstream-freebsd/lib/libc/string/wcspbrk.c",
411        "upstream-freebsd/lib/libc/string/wcsrchr.c",
412        "upstream-freebsd/lib/libc/string/wcsspn.c",
413        "upstream-freebsd/lib/libc/string/wcsstr.c",
414        "upstream-freebsd/lib/libc/string/wcstok.c",
415        "upstream-freebsd/lib/libc/string/wmemchr.c",
416        "upstream-freebsd/lib/libc/string/wmemcmp.c",
417        "upstream-freebsd/lib/libc/string/wmemcpy.c",
418        "upstream-freebsd/lib/libc/string/wmemmove.c",
419        "upstream-freebsd/lib/libc/string/wmemset.c",
420    ],
421
422    cflags: [
423        "-Wno-sign-compare",
424        "-Wno-unused-parameter",
425        "-include freebsd-compat.h",
426    ],
427
428    local_include_dirs: [
429        "upstream-freebsd/android/include",
430    ],
431
432    name: "libc_freebsd",
433}
434
435cc_library_static {
436    defaults: ["libc_defaults"],
437    srcs: [
438        "upstream-freebsd/lib/libc/gen/glob.c",
439    ],
440
441    cflags: [
442        "-Wno-sign-compare",
443        "-include freebsd-compat.h",
444        "-Wframe-larger-than=66000",
445    ],
446
447    local_include_dirs: [
448        "upstream-freebsd/android/include",
449    ],
450
451    name: "libc_freebsd_large_stack",
452}
453
454// ========================================================
455// libc_netbsd.a - upstream NetBSD C library code
456// ========================================================
457//
458// These files are built with the netbsd-compat.h header file
459// automatically included.
460
461cc_library_static {
462
463    defaults: ["libc_defaults"],
464    srcs: [
465        "upstream-netbsd/common/lib/libc/stdlib/random.c",
466        "upstream-netbsd/lib/libc/gen/nice.c",
467        "upstream-netbsd/lib/libc/gen/psignal.c",
468        "upstream-netbsd/lib/libc/gen/utime.c",
469        "upstream-netbsd/lib/libc/inet/nsap_addr.c",
470        "upstream-netbsd/lib/libc/regex/regcomp.c",
471        "upstream-netbsd/lib/libc/regex/regerror.c",
472        "upstream-netbsd/lib/libc/regex/regexec.c",
473        "upstream-netbsd/lib/libc/regex/regfree.c",
474        "upstream-netbsd/lib/libc/stdlib/drand48.c",
475        "upstream-netbsd/lib/libc/stdlib/erand48.c",
476        "upstream-netbsd/lib/libc/stdlib/jrand48.c",
477        "upstream-netbsd/lib/libc/stdlib/lcong48.c",
478        "upstream-netbsd/lib/libc/stdlib/lrand48.c",
479        "upstream-netbsd/lib/libc/stdlib/mrand48.c",
480        "upstream-netbsd/lib/libc/stdlib/nrand48.c",
481        "upstream-netbsd/lib/libc/stdlib/_rand48.c",
482        "upstream-netbsd/lib/libc/stdlib/rand_r.c",
483        "upstream-netbsd/lib/libc/stdlib/reallocarr.c",
484        "upstream-netbsd/lib/libc/stdlib/seed48.c",
485        "upstream-netbsd/lib/libc/stdlib/srand48.c",
486    ],
487    multilib: {
488        lib32: {
489            // LP32 cruft
490            srcs: ["upstream-netbsd/common/lib/libc/hash/sha1/sha1.c"],
491        },
492    },
493    cflags: [
494        "-Wno-sign-compare",
495        "-Wno-unused-parameter",
496        "-DPOSIX_MISTAKE",
497        "-include netbsd-compat.h",
498    ],
499
500    local_include_dirs: [
501        "upstream-netbsd/android/include",
502        "upstream-netbsd/lib/libc/include",
503    ],
504
505    name: "libc_netbsd",
506}
507
508// ========================================================
509// libc_openbsd.a - upstream OpenBSD C library code
510// ========================================================
511//
512// These files are built with the openbsd-compat.h header file
513// automatically included.
514cc_library_static {
515    defaults: ["libc_defaults"],
516    srcs: [
517        "upstream-openbsd/lib/libc/crypt/arc4random.c",
518        "upstream-openbsd/lib/libc/crypt/arc4random_uniform.c",
519        "upstream-openbsd/lib/libc/gen/alarm.c",
520        "upstream-openbsd/lib/libc/gen/ctype_.c",
521        "upstream-openbsd/lib/libc/gen/daemon.c",
522        "upstream-openbsd/lib/libc/gen/err.c",
523        "upstream-openbsd/lib/libc/gen/errx.c",
524        "upstream-openbsd/lib/libc/gen/fnmatch.c",
525        "upstream-openbsd/lib/libc/gen/ftok.c",
526        "upstream-openbsd/lib/libc/gen/getprogname.c",
527        "upstream-openbsd/lib/libc/gen/setprogname.c",
528        "upstream-openbsd/lib/libc/gen/verr.c",
529        "upstream-openbsd/lib/libc/gen/verrx.c",
530        "upstream-openbsd/lib/libc/gen/vwarn.c",
531        "upstream-openbsd/lib/libc/gen/vwarnx.c",
532        "upstream-openbsd/lib/libc/gen/warn.c",
533        "upstream-openbsd/lib/libc/gen/warnx.c",
534        "upstream-openbsd/lib/libc/locale/btowc.c",
535        "upstream-openbsd/lib/libc/locale/mbrlen.c",
536        "upstream-openbsd/lib/libc/locale/mbstowcs.c",
537        "upstream-openbsd/lib/libc/locale/mbtowc.c",
538        "upstream-openbsd/lib/libc/locale/wcscoll.c",
539        "upstream-openbsd/lib/libc/locale/wcstombs.c",
540        "upstream-openbsd/lib/libc/locale/wcsxfrm.c",
541        "upstream-openbsd/lib/libc/locale/wctob.c",
542        "upstream-openbsd/lib/libc/locale/wctomb.c",
543        "upstream-openbsd/lib/libc/net/base64.c",
544        "upstream-openbsd/lib/libc/net/htonl.c",
545        "upstream-openbsd/lib/libc/net/htons.c",
546        "upstream-openbsd/lib/libc/net/inet_lnaof.c",
547        "upstream-openbsd/lib/libc/net/inet_makeaddr.c",
548        "upstream-openbsd/lib/libc/net/inet_netof.c",
549        "upstream-openbsd/lib/libc/net/inet_ntoa.c",
550        "upstream-openbsd/lib/libc/net/inet_ntop.c",
551        "upstream-openbsd/lib/libc/net/inet_pton.c",
552        "upstream-openbsd/lib/libc/net/ntohl.c",
553        "upstream-openbsd/lib/libc/net/ntohs.c",
554        "upstream-openbsd/lib/libc/net/res_random.c",
555        "upstream-openbsd/lib/libc/stdio/fgetln.c",
556        "upstream-openbsd/lib/libc/stdio/fgetwc.c",
557        "upstream-openbsd/lib/libc/stdio/fgetws.c",
558        "upstream-openbsd/lib/libc/stdio/flags.c",
559        "upstream-openbsd/lib/libc/stdio/fputwc.c",
560        "upstream-openbsd/lib/libc/stdio/fputws.c",
561        "upstream-openbsd/lib/libc/stdio/fvwrite.c",
562        "upstream-openbsd/lib/libc/stdio/fwide.c",
563        "upstream-openbsd/lib/libc/stdio/getdelim.c",
564        "upstream-openbsd/lib/libc/stdio/gets.c",
565        "upstream-openbsd/lib/libc/stdio/makebuf.c",
566        "upstream-openbsd/lib/libc/stdio/mktemp.c",
567        "upstream-openbsd/lib/libc/stdio/open_memstream.c",
568        "upstream-openbsd/lib/libc/stdio/open_wmemstream.c",
569        "upstream-openbsd/lib/libc/stdio/rget.c",
570        "upstream-openbsd/lib/libc/stdio/setvbuf.c",
571        "upstream-openbsd/lib/libc/stdio/ungetc.c",
572        "upstream-openbsd/lib/libc/stdio/ungetwc.c",
573        "upstream-openbsd/lib/libc/stdio/vasprintf.c",
574        "upstream-openbsd/lib/libc/stdio/vdprintf.c",
575        "upstream-openbsd/lib/libc/stdio/vsscanf.c",
576        "upstream-openbsd/lib/libc/stdio/vswprintf.c",
577        "upstream-openbsd/lib/libc/stdio/vswscanf.c",
578        "upstream-openbsd/lib/libc/stdio/wbuf.c",
579        "upstream-openbsd/lib/libc/stdio/wsetup.c",
580        "upstream-openbsd/lib/libc/stdlib/abs.c",
581        "upstream-openbsd/lib/libc/stdlib/div.c",
582        "upstream-openbsd/lib/libc/stdlib/getenv.c",
583        "upstream-openbsd/lib/libc/stdlib/getsubopt.c",
584        "upstream-openbsd/lib/libc/stdlib/insque.c",
585        "upstream-openbsd/lib/libc/stdlib/imaxabs.c",
586        "upstream-openbsd/lib/libc/stdlib/imaxdiv.c",
587        "upstream-openbsd/lib/libc/stdlib/labs.c",
588        "upstream-openbsd/lib/libc/stdlib/ldiv.c",
589        "upstream-openbsd/lib/libc/stdlib/llabs.c",
590        "upstream-openbsd/lib/libc/stdlib/lldiv.c",
591        "upstream-openbsd/lib/libc/stdlib/lsearch.c",
592        "upstream-openbsd/lib/libc/stdlib/recallocarray.c",
593        "upstream-openbsd/lib/libc/stdlib/remque.c",
594        "upstream-openbsd/lib/libc/stdlib/setenv.c",
595        "upstream-openbsd/lib/libc/stdlib/tfind.c",
596        "upstream-openbsd/lib/libc/stdlib/tsearch.c",
597        "upstream-openbsd/lib/libc/string/memccpy.c",
598        "upstream-openbsd/lib/libc/string/strcasecmp.c",
599        "upstream-openbsd/lib/libc/string/strcasestr.c",
600        "upstream-openbsd/lib/libc/string/strcoll.c",
601        "upstream-openbsd/lib/libc/string/strcspn.c",
602        "upstream-openbsd/lib/libc/string/strdup.c",
603        "upstream-openbsd/lib/libc/string/strndup.c",
604        "upstream-openbsd/lib/libc/string/strpbrk.c",
605        "upstream-openbsd/lib/libc/string/strsep.c",
606        "upstream-openbsd/lib/libc/string/strspn.c",
607        "upstream-openbsd/lib/libc/string/strtok.c",
608        "upstream-openbsd/lib/libc/string/strxfrm.c",
609        "upstream-openbsd/lib/libc/string/wcslcpy.c",
610        "upstream-openbsd/lib/libc/string/wcswidth.c",
611
612        // These files are originally from OpenBSD,
613        // and benefit from being compiled with openbsd-compat.h.
614        // TODO: clean them up instead.
615        "bionic/fts.c",
616        "stdio/vfprintf.cpp",
617        "stdio/vfwprintf.cpp",
618    ],
619
620    // Each architecture has optimized versions of some routines,
621    // and only includes the portable C versions of ones it's missing.
622    arch: {
623        arm: {
624            srcs: [
625                "upstream-openbsd/lib/libc/string/memchr.c",
626                "upstream-openbsd/lib/libc/string/stpncpy.c",
627                "upstream-openbsd/lib/libc/string/strncat.c",
628                "upstream-openbsd/lib/libc/string/strncmp.c",
629                "upstream-openbsd/lib/libc/string/strncpy.c",
630            ],
631        },
632        arm64: {
633            srcs: [
634                "upstream-openbsd/lib/libc/string/strcat.c",
635                "upstream-openbsd/lib/libc/string/stpncpy.c",
636                "upstream-openbsd/lib/libc/string/strncat.c",
637                "upstream-openbsd/lib/libc/string/strncpy.c",
638            ],
639        },
640        riscv64: {
641            srcs: [
642                "upstream-openbsd/lib/libc/string/stpncpy.c",
643            ],
644        },
645        x86: {
646            srcs: [
647                // x86 has custom implementations of all of these.
648            ],
649        },
650        x86_64: {
651            srcs: [
652                // x86_64 has custom/llvm-libc implementations of all of these.
653            ],
654        },
655    },
656
657    cflags: [
658        "-Wno-sign-compare",
659        "-Wno-unused-parameter",
660        "-include openbsd-compat.h",
661    ],
662
663    local_include_dirs: [
664        "private",
665        "stdio",
666        "upstream-openbsd/android/include/",
667        "upstream-openbsd/lib/libc/gdtoa/",
668        "upstream-openbsd/lib/libc/include/",
669        "upstream-openbsd/lib/libc/stdio/",
670    ],
671
672    name: "libc_openbsd",
673}
674
675cc_library_static {
676    name: "libc_openbsd_large_stack",
677    defaults: ["libc_defaults"],
678    srcs: [
679        "upstream-openbsd/lib/libc/string/memmem.c",
680        "upstream-openbsd/lib/libc/string/strstr.c",
681    ],
682    cflags: [
683        "-include openbsd-compat.h",
684        "-Wno-sign-compare",
685        "-Wframe-larger-than=5000",
686    ],
687
688    local_include_dirs: [
689        "upstream-openbsd/android/include/",
690    ],
691}
692
693// ========================================================
694// libc_gdtoa.a - upstream OpenBSD C library gdtoa code
695// ========================================================
696//
697// These files are built with the openbsd-compat.h header file
698// automatically included.
699
700cc_library_static {
701    defaults: ["libc_defaults"],
702    srcs: [
703        "upstream-openbsd/android/gdtoa_support.cpp",
704        "upstream-openbsd/lib/libc/gdtoa/dmisc.c",
705        "upstream-openbsd/lib/libc/gdtoa/dtoa.c",
706        "upstream-openbsd/lib/libc/gdtoa/gdtoa.c",
707        "upstream-openbsd/lib/libc/gdtoa/gethex.c",
708        "upstream-openbsd/lib/libc/gdtoa/gmisc.c",
709        "upstream-openbsd/lib/libc/gdtoa/hd_init.c",
710        "upstream-openbsd/lib/libc/gdtoa/hdtoa.c",
711        "upstream-openbsd/lib/libc/gdtoa/hexnan.c",
712        "upstream-openbsd/lib/libc/gdtoa/ldtoa.c",
713        "upstream-openbsd/lib/libc/gdtoa/misc.c",
714        "upstream-openbsd/lib/libc/gdtoa/smisc.c",
715        "upstream-openbsd/lib/libc/gdtoa/strtod.c",
716        "upstream-openbsd/lib/libc/gdtoa/strtodg.c",
717        "upstream-openbsd/lib/libc/gdtoa/strtof.c",
718        "upstream-openbsd/lib/libc/gdtoa/strtord.c",
719        "upstream-openbsd/lib/libc/gdtoa/sum.c",
720        "upstream-openbsd/lib/libc/gdtoa/ulp.c",
721    ],
722    multilib: {
723        lib64: {
724            srcs: ["upstream-openbsd/lib/libc/gdtoa/strtorQ.c"],
725        },
726    },
727
728    cflags: [
729        "-Wno-sign-compare",
730        "-include openbsd-compat.h",
731    ],
732
733    local_include_dirs: [
734        "private",
735        "upstream-openbsd/android/include",
736        "upstream-openbsd/lib/libc/include",
737    ],
738
739    name: "libc_gdtoa",
740}
741
742// ========================================================
743// libc_fortify.a - container for our FORTIFY
744// implementation details
745// ========================================================
746cc_library_static {
747    defaults: ["libc_defaults"],
748    srcs: ["bionic/fortify.cpp"],
749
750    name: "libc_fortify",
751
752    // Disable FORTIFY for the compilation of these, so we don't end up having
753    // FORTIFY silently call itself.
754    cflags: [
755        "-U_FORTIFY_SOURCE",
756        "-D__BIONIC_DECLARE_FORTIFY_HELPERS",
757    ],
758
759    arch: {
760        arm: {
761            cflags: [
762                "-DRENAME___STRCAT_CHK",
763                "-DRENAME___STRCPY_CHK",
764            ],
765            srcs: [
766                "arch-arm/generic/bionic/__memcpy_chk.S",
767
768                "arch-arm/cortex-a15/bionic/__strcat_chk.S",
769                "arch-arm/cortex-a15/bionic/__strcpy_chk.S",
770
771                "arch-arm/cortex-a7/bionic/__strcat_chk.S",
772                "arch-arm/cortex-a7/bionic/__strcpy_chk.S",
773
774                "arch-arm/cortex-a9/bionic/__strcat_chk.S",
775                "arch-arm/cortex-a9/bionic/__strcpy_chk.S",
776
777                "arch-arm/krait/bionic/__strcat_chk.S",
778                "arch-arm/krait/bionic/__strcpy_chk.S",
779
780                "arch-arm/cortex-a53/bionic/__strcat_chk.S",
781                "arch-arm/cortex-a53/bionic/__strcpy_chk.S",
782
783                "arch-arm/cortex-a55/bionic/__strcat_chk.S",
784                "arch-arm/cortex-a55/bionic/__strcpy_chk.S",
785            ],
786        },
787        arm64: {
788            srcs: [
789                "arch-arm64/string/__memcpy_chk.S",
790                "arch-arm64/string/__memset_chk.S",
791            ],
792        },
793        riscv64: {
794            srcs: [
795                "arch-riscv64/string/__memset_chk.S",
796                "arch-riscv64/string/__memcpy_chk.S",
797            ],
798        },
799    },
800}
801
802// ========================================================
803// libc_bionic.a - home-grown C library code
804// ========================================================
805
806cc_library_static {
807    defaults: ["libc_defaults"],
808    srcs: [
809        "bionic/NetdClientDispatch.cpp",
810        "bionic/__bionic_get_shell_path.cpp",
811        "bionic/__cmsg_nxthdr.cpp",
812        "bionic/__cxa_thread_atexit_impl.cpp",
813        "bionic/__errno.cpp",
814        "bionic/__gnu_basename.cpp",
815        "bionic/__libc_current_sigrtmax.cpp",
816        "bionic/__libc_current_sigrtmin.cpp",
817        "bionic/abort.cpp",
818        "bionic/accept.cpp",
819        "bionic/access.cpp",
820        "bionic/android_crash_detail.cpp",
821        "bionic/android_set_abort_message.cpp",
822        "bionic/android_unsafe_frame_pointer_chase.cpp",
823        "bionic/arpa_inet.cpp",
824        "bionic/assert.cpp",
825        "bionic/atexit.cpp",
826        "bionic/atof.cpp",
827        "bionic/bionic_allocator.cpp",
828        "bionic/bionic_arc4random.cpp",
829        "bionic/bionic_elf_tls.cpp",
830        "bionic/bionic_futex.cpp",
831        "bionic/bionic_netlink.cpp",
832        "bionic/bionic_systrace.cpp",
833        "bionic/bionic_time_conversions.cpp",
834        "bionic/brk.cpp",
835        "bionic/c16rtomb.cpp",
836        "bionic/c32rtomb.cpp",
837        "bionic/chmod.cpp",
838        "bionic/chown.cpp",
839        "bionic/clearenv.cpp",
840        "bionic/clock.cpp",
841        "bionic/clock_getcpuclockid.cpp",
842        "bionic/clock_nanosleep.cpp",
843        "bionic/clone.cpp",
844        "bionic/ctype.cpp",
845        "bionic/dirent.cpp",
846        "bionic/dup.cpp",
847        "bionic/environ.cpp",
848        "bionic/error.cpp",
849        "bionic/eventfd.cpp",
850        "bionic/exec.cpp",
851        "bionic/execinfo.cpp",
852        "bionic/exit.cpp",
853        "bionic/faccessat.cpp",
854        "bionic/fchmod.cpp",
855        "bionic/fchmodat.cpp",
856        "bionic/fcntl.cpp",
857        "bionic/fdsan.cpp",
858        "bionic/fdtrack.cpp",
859        "bionic/ffs.cpp",
860        "bionic/fgetxattr.cpp",
861        "bionic/flistxattr.cpp",
862        "bionic/fork.cpp",
863        "bionic/fpclassify.cpp",
864        "bionic/fsetxattr.cpp",
865        "bionic/ftruncate.cpp",
866        "bionic/ftw.cpp",
867        "bionic/futimens.cpp",
868        "bionic/getcwd.cpp",
869        "bionic/getdomainname.cpp",
870        "bionic/getentropy.cpp",
871        "bionic/gethostname.cpp",
872        "bionic/getloadavg.cpp",
873        "bionic/getpagesize.cpp",
874        "bionic/getpgrp.cpp",
875        "bionic/getpid.cpp",
876        "bionic/getpriority.cpp",
877        "bionic/gettid.cpp",
878        "bionic/get_device_api_level.cpp",
879        "bionic/grp_pwd.cpp",
880        "bionic/grp_pwd_file.cpp",
881        "bionic/heap_zero_init.cpp",
882        "bionic/iconv.cpp",
883        "bionic/icu_wrappers.cpp",
884        "bionic/ifaddrs.cpp",
885        "bionic/inotify_init.cpp",
886        "bionic/ioctl.cpp",
887        "bionic/isatty.cpp",
888        "bionic/killpg.cpp",
889        "bionic/langinfo.cpp",
890        "bionic/lchmod.cpp",
891        "bionic/lchown.cpp",
892        "bionic/lfs64_support.cpp",
893        "bionic/libc_init_common.cpp",
894        "bionic/libgen.cpp",
895        "bionic/link.cpp",
896        "bionic/locale.cpp",
897        "bionic/lockf.cpp",
898        "bionic/lstat.cpp",
899        "bionic/mblen.cpp",
900        "bionic/mbrtoc16.cpp",
901        "bionic/mbrtoc32.cpp",
902        "bionic/mempcpy.cpp",
903        "bionic/memset_explicit.cpp",
904        "bionic/mkdir.cpp",
905        "bionic/mkfifo.cpp",
906        "bionic/mknod.cpp",
907        "bionic/mntent.cpp",
908        "bionic/netdb.cpp",
909        "bionic/net_if.cpp",
910        "bionic/netinet_ether.cpp",
911        "bionic/netinet_in.cpp",
912        "bionic/nl_types.cpp",
913        "bionic/open.cpp",
914        "bionic/pathconf.cpp",
915        "bionic/pause.cpp",
916        "bionic/pidfd.cpp",
917        "bionic/pipe.cpp",
918        "bionic/poll.cpp",
919        "bionic/posix_fadvise.cpp",
920        "bionic/posix_fallocate.cpp",
921        "bionic/posix_madvise.cpp",
922        "bionic/posix_timers.cpp",
923        "bionic/preadv_pwritev.cpp",
924        "bionic/pthread_atfork.cpp",
925        "bionic/pthread_attr.cpp",
926        "bionic/pthread_barrier.cpp",
927        "bionic/pthread_cond.cpp",
928        "bionic/pthread_create.cpp",
929        "bionic/pthread_detach.cpp",
930        "bionic/pthread_equal.cpp",
931        "bionic/pthread_exit.cpp",
932        "bionic/pthread_getaffinity.cpp",
933        "bionic/pthread_getcpuclockid.cpp",
934        "bionic/pthread_getschedparam.cpp",
935        "bionic/pthread_gettid_np.cpp",
936        "bionic/pthread_internal.cpp",
937        "bionic/pthread_join.cpp",
938        "bionic/pthread_key.cpp",
939        "bionic/pthread_kill.cpp",
940        "bionic/pthread_mutex.cpp",
941        "bionic/pthread_once.cpp",
942        "bionic/pthread_rwlock.cpp",
943        "bionic/pthread_sigqueue.cpp",
944        "bionic/pthread_self.cpp",
945        "bionic/pthread_setname_np.cpp",
946        "bionic/pthread_setaffinity.cpp",
947        "bionic/pthread_setschedparam.cpp",
948        "bionic/pthread_spinlock.cpp",
949        "bionic/ptrace.cpp",
950        "bionic/pty.cpp",
951        "bionic/raise.cpp",
952        "bionic/rand.cpp",
953        "bionic/readlink.cpp",
954        "bionic/realpath.cpp",
955        "bionic/reboot.cpp",
956        "bionic/recv.cpp",
957        "bionic/recvmsg.cpp",
958        "bionic/rename.cpp",
959        "bionic/rmdir.cpp",
960        "bionic/scandir.cpp",
961        "bionic/sched_cpualloc.cpp",
962        "bionic/sched_cpucount.cpp",
963        "bionic/sched_getaffinity.cpp",
964        "bionic/sched_getcpu.cpp",
965        "bionic/semaphore.cpp",
966        "bionic/send.cpp",
967        "bionic/setegid.cpp",
968        "bionic/seteuid.cpp",
969        "bionic/setjmp_cookie.cpp",
970        "bionic/setpgrp.cpp",
971        "bionic/sigaction.cpp",
972        "bionic/signal.cpp",
973        "bionic/sigprocmask.cpp",
974        "bionic/sleep.cpp",
975        "bionic/socketpair.cpp",
976        "bionic/spawn.cpp",
977        "bionic/stat.cpp",
978        "bionic/stdlib_l.cpp",
979        "bionic/strerror.cpp",
980        "bionic/string_l.cpp",
981        "bionic/strings_l.cpp",
982        "bionic/strsignal.cpp",
983        "bionic/strtol.cpp",
984        "bionic/strtold.cpp",
985        "bionic/swab.cpp",
986        "bionic/symlink.cpp",
987        "bionic/sync_file_range.cpp",
988        "bionic/sysconf.cpp",
989        "bionic/sys_epoll.cpp",
990        "bionic/sys_msg.cpp",
991        "bionic/sys_sem.cpp",
992        "bionic/sys_shm.cpp",
993        "bionic/sys_signalfd.cpp",
994        "bionic/sys_statfs.cpp",
995        "bionic/sys_statvfs.cpp",
996        "bionic/sys_thread_properties.cpp",
997        "bionic/sys_time.cpp",
998        "bionic/sysinfo.cpp",
999        "bionic/syslog.cpp",
1000        "bionic/sysprop_helpers.cpp",
1001        "bionic/system.cpp",
1002        "bionic/system_property_api.cpp",
1003        "bionic/system_property_set.cpp",
1004        "bionic/tdestroy.cpp",
1005        "bionic/termios.cpp",
1006        "bionic/thread_private.cpp",
1007        "bionic/threads.cpp",
1008        "bionic/time.cpp",
1009        "bionic/tmpfile.cpp",
1010        "bionic/umount.cpp",
1011        "bionic/unlink.cpp",
1012        "bionic/usleep.cpp",
1013        "bionic/utmp.cpp",
1014        "bionic/vdso.cpp",
1015        "bionic/wait.cpp",
1016        "bionic/wchar.cpp",
1017        "bionic/wchar_l.cpp",
1018        "bionic/wcstod.cpp",
1019        "bionic/wctype.cpp",
1020        "bionic/wcwidth.cpp",
1021        "bionic/wmempcpy.cpp",
1022
1023        // Forked but not yet cleaned up/rewritten stdio code.
1024        // TODO: finish cleanup.
1025        "stdio/fmemopen.cpp",
1026        "stdio/parsefloat.c",
1027        "stdio/refill.c",
1028        "stdio/stdio.cpp",
1029        "stdio/stdio_ext.cpp",
1030        "stdio/vfscanf.cpp",
1031        "stdio/vfwscanf.cpp",
1032    ],
1033
1034    arch: {
1035        arm: {
1036            asflags: libc_common_flags + ["-mno-restrict-it"],
1037            srcs: [
1038                "arch-arm/bionic/__aeabi_read_tp.S",
1039                "arch-arm/bionic/__bionic_clone.S",
1040                "arch-arm/bionic/__restore.S",
1041                "arch-arm/bionic/_exit_with_stack_teardown.S",
1042                "arch-arm/bionic/atomics_arm.c",
1043                "arch-arm/bionic/bpabi.c",
1044                "arch-arm/bionic/libcrt_compat.c",
1045                "arch-arm/bionic/popcount_tab.c",
1046                "arch-arm/bionic/setjmp.S",
1047                "arch-arm/bionic/syscall.S",
1048                "arch-arm/bionic/vfork.S",
1049
1050                "arch-arm/cortex-a7/bionic/memcpy.S",
1051                "arch-arm/cortex-a7/bionic/memset.S",
1052
1053                "arch-arm/cortex-a9/bionic/memcpy.S",
1054                "arch-arm/cortex-a9/bionic/memset.S",
1055                "arch-arm/cortex-a9/bionic/stpcpy.S",
1056                "arch-arm/cortex-a9/bionic/strcat.S",
1057                "arch-arm/cortex-a9/bionic/strcpy.S",
1058                "arch-arm/cortex-a9/bionic/strlen.S",
1059
1060                "arch-arm/cortex-a15/bionic/memcpy.S",
1061                "arch-arm/cortex-a15/bionic/memmove.S",
1062                "arch-arm/cortex-a15/bionic/memset.S",
1063                "arch-arm/cortex-a15/bionic/stpcpy.S",
1064                "arch-arm/cortex-a15/bionic/strcat.S",
1065                "arch-arm/cortex-a15/bionic/strcmp.S",
1066                "arch-arm/cortex-a15/bionic/strcpy.S",
1067                "arch-arm/cortex-a15/bionic/strlen.S",
1068
1069                "arch-arm/cortex-a53/bionic/memcpy.S",
1070
1071                "arch-arm/cortex-a55/bionic/memcpy.S",
1072
1073                "arch-arm/generic/bionic/memcmp.S",
1074                "arch-arm/generic/bionic/memmove.S",
1075                "arch-arm/generic/bionic/memset.S",
1076                "arch-arm/generic/bionic/stpcpy.c",
1077                "arch-arm/generic/bionic/strcat.c",
1078                "arch-arm/generic/bionic/strcmp.S",
1079                "arch-arm/generic/bionic/strcpy.S",
1080                "arch-arm/generic/bionic/strlen.c",
1081
1082                "arch-arm/krait/bionic/memcpy.S",
1083                "arch-arm/krait/bionic/memset.S",
1084
1085                "arch-arm/kryo/bionic/memcpy.S",
1086
1087                "bionic/strchr.cpp",
1088                "bionic/strchrnul.cpp",
1089                "bionic/strnlen.cpp",
1090                "bionic/strrchr.cpp",
1091            ],
1092        },
1093        arm64: {
1094            srcs: [
1095                "arch-arm64/bionic/__bionic_clone.S",
1096                "arch-arm64/bionic/_exit_with_stack_teardown.S",
1097                "arch-arm64/bionic/setjmp.S",
1098                "arch-arm64/bionic/syscall.S",
1099                "arch-arm64/bionic/vfork.S",
1100                "arch-arm64/oryon/memcpy-nt.S",
1101                "arch-arm64/oryon/memset-nt.S",
1102            ],
1103        },
1104
1105        riscv64: {
1106            srcs: [
1107                "arch-riscv64/bionic/__bionic_clone.S",
1108                "arch-riscv64/bionic/_exit_with_stack_teardown.S",
1109                "arch-riscv64/bionic/setjmp.S",
1110                "arch-riscv64/bionic/syscall.S",
1111                "arch-riscv64/bionic/vfork.S",
1112
1113                "arch-riscv64/string/memchr_v.S",
1114                "arch-riscv64/string/memcmp_v.S",
1115                "arch-riscv64/string/memcpy_v.S",
1116                "arch-riscv64/string/memmove_v.S",
1117                "arch-riscv64/string/memset_v.S",
1118                "arch-riscv64/string/stpcpy_v.S",
1119                "arch-riscv64/string/strcat_v.S",
1120                "arch-riscv64/string/strchr_v.S",
1121                "arch-riscv64/string/strcmp_v.S",
1122                "arch-riscv64/string/strcpy_v.S",
1123                "arch-riscv64/string/strlen_v.S",
1124                "arch-riscv64/string/strncat_v.S",
1125                "arch-riscv64/string/strncmp_v.S",
1126                "arch-riscv64/string/strncpy_v.S",
1127                "arch-riscv64/string/strnlen_v.S",
1128
1129                "arch-riscv64/string/memchr.c",
1130                "arch-riscv64/string/memcmp.c",
1131                "arch-riscv64/string/memcpy.c",
1132                "arch-riscv64/string/memmove.c",
1133                "arch-riscv64/string/memset.c",
1134                "arch-riscv64/string/stpcpy.c",
1135                "arch-riscv64/string/strcat.c",
1136                "arch-riscv64/string/strchr.c",
1137                "arch-riscv64/string/strcmp.c",
1138                "arch-riscv64/string/strcpy.c",
1139                "arch-riscv64/string/strlen.c",
1140                "arch-riscv64/string/strncat.c",
1141                "arch-riscv64/string/strncmp.c",
1142                "arch-riscv64/string/strncpy.c",
1143                "arch-riscv64/string/strnlen.c",
1144
1145                "bionic/strchrnul.cpp",
1146                "bionic/strrchr.cpp",
1147            ],
1148        },
1149
1150        x86: {
1151            srcs: [
1152                "arch-x86/bionic/__bionic_clone.S",
1153                "arch-x86/bionic/_exit_with_stack_teardown.S",
1154                "arch-x86/bionic/libcrt_compat.c",
1155                "arch-x86/bionic/setjmp.S",
1156                "arch-x86/bionic/syscall.S",
1157                "arch-x86/bionic/vfork.S",
1158                "arch-x86/bionic/__x86.get_pc_thunk.S",
1159
1160                "arch-x86/string/sse2-memchr-atom.S",
1161                "arch-x86/string/sse2-memmove-slm.S",
1162                "arch-x86/string/sse2-memset-slm.S",
1163                "arch-x86/string/sse2-stpcpy-slm.S",
1164                "arch-x86/string/sse2-stpncpy-slm.S",
1165                "arch-x86/string/sse2-strchr-atom.S",
1166                "arch-x86/string/sse2-strcpy-slm.S",
1167                "arch-x86/string/sse2-strlen-slm.S",
1168                "arch-x86/string/sse2-strncpy-slm.S",
1169                "arch-x86/string/sse2-strnlen-atom.S",
1170                "arch-x86/string/sse2-strrchr-atom.S",
1171
1172                "arch-x86/string/ssse3-memcmp-atom.S",
1173                "arch-x86/string/ssse3-strcat-atom.S",
1174                "arch-x86/string/ssse3-strcmp-atom.S",
1175                "arch-x86/string/ssse3-strncat-atom.S",
1176                "arch-x86/string/ssse3-strncmp-atom.S",
1177
1178                "arch-x86/string/sse4-memcmp-slm.S",
1179
1180                "bionic/strchrnul.cpp",
1181            ],
1182        },
1183        x86_64: {
1184            srcs: [
1185                "arch-x86_64/bionic/__bionic_clone.S",
1186                "arch-x86_64/bionic/_exit_with_stack_teardown.S",
1187                "arch-x86_64/bionic/__restore_rt.S",
1188                "arch-x86_64/bionic/setjmp.S",
1189                "arch-x86_64/bionic/syscall.S",
1190                "arch-x86_64/bionic/vfork.S",
1191
1192                "arch-x86_64/string/avx2-memset-kbl.S",
1193                "arch-x86_64/string/sse2-memmove-slm.S",
1194                "arch-x86_64/string/sse2-memset-slm.S",
1195                "arch-x86_64/string/sse2-stpcpy-slm.S",
1196                "arch-x86_64/string/sse2-stpncpy-slm.S",
1197                "arch-x86_64/string/sse2-strcat-slm.S",
1198                "arch-x86_64/string/sse2-strcpy-slm.S",
1199                "arch-x86_64/string/sse2-strlen-slm.S",
1200                "arch-x86_64/string/sse2-strncat-slm.S",
1201                "arch-x86_64/string/sse2-strncpy-slm.S",
1202                "arch-x86_64/string/sse4-memcmp-slm.S",
1203                "arch-x86_64/string/ssse3-strcmp-slm.S",
1204                "arch-x86_64/string/ssse3-strncmp-slm.S",
1205            ],
1206        },
1207    },
1208
1209    multilib: {
1210        lib32: {
1211            srcs: [
1212                // off64_t/time64_t support on LP32.
1213                "bionic/legacy_32_bit_support.cpp",
1214                "bionic/time64.c",
1215            ],
1216        },
1217    },
1218
1219    local_include_dirs: ["stdio"],
1220    generated_headers: ["generated_android_ids"],
1221
1222    whole_static_libs: [
1223        "//external/llvm-libc:llvmlibc",
1224        "libsystemproperties",
1225    ],
1226
1227    cppflags: ["-Wold-style-cast"],
1228    include_dirs: ["bionic/libstdc++/include"],
1229    name: "libc_bionic",
1230}
1231
1232genrule {
1233    name: "generated_android_ids",
1234    out: ["generated_android_ids.h"],
1235    srcs: [":android_filesystem_config_header"],
1236    tools: ["fs_config_generator"],
1237    cmd: "$(location fs_config_generator) aidarray $(in) > $(out)",
1238}
1239
1240// ========================================================
1241// libc_syscalls.a
1242// ========================================================
1243
1244genrule {
1245    name: "syscalls-arm",
1246    out: ["syscalls-arm.S"],
1247    srcs: ["SYSCALLS.TXT"],
1248    tools: ["gensyscalls"],
1249    cmd: "$(location gensyscalls) arm $(in) > $(out)",
1250}
1251
1252genrule {
1253    name: "syscalls-arm64",
1254    out: ["syscalls-arm64.S"],
1255    srcs: ["SYSCALLS.TXT"],
1256    tools: ["gensyscalls"],
1257    cmd: "$(location gensyscalls) arm64 $(in) > $(out)",
1258}
1259
1260genrule {
1261    name: "syscalls-riscv64",
1262    out: ["syscalls-riscv64.S"],
1263    srcs: ["SYSCALLS.TXT"],
1264    tools: ["gensyscalls"],
1265    cmd: "$(location gensyscalls) riscv64 $(in) > $(out)",
1266}
1267
1268genrule {
1269    name: "syscalls-x86",
1270    out: ["syscalls-x86.S"],
1271    srcs: ["SYSCALLS.TXT"],
1272    tools: ["gensyscalls"],
1273    cmd: "$(location gensyscalls) x86 $(in) > $(out)",
1274}
1275
1276genrule {
1277    name: "syscalls-x86_64",
1278    out: ["syscalls-x86_64.S"],
1279    srcs: ["SYSCALLS.TXT"],
1280    tools: ["gensyscalls"],
1281    cmd: "$(location gensyscalls) x86_64 $(in) > $(out)",
1282}
1283
1284cc_library_static {
1285    defaults: ["libc_defaults"],
1286    srcs: ["bionic/__set_errno.cpp"],
1287    arch: {
1288        arm: {
1289            srcs: [":syscalls-arm"],
1290        },
1291        arm64: {
1292            srcs: [":syscalls-arm64"],
1293        },
1294        riscv64: {
1295            srcs: [":syscalls-riscv64"],
1296        },
1297        x86: {
1298            srcs: [":syscalls-x86"],
1299        },
1300        x86_64: {
1301            srcs: [":syscalls-x86_64"],
1302        },
1303    },
1304    name: "libc_syscalls",
1305}
1306
1307// ========================================================
1308// libc_aeabi.a
1309// This is an LP32 ARM-only library that needs to be built with -fno-builtin
1310// to avoid infinite recursion. For the other architectures we just build an
1311// empty library to keep this makefile simple.
1312// ========================================================
1313
1314cc_library_static {
1315    defaults: ["libc_defaults"],
1316    arch: {
1317        arm: {
1318            srcs: ["arch-arm/bionic/__aeabi.c"],
1319        },
1320    },
1321    name: "libc_aeabi",
1322    cflags: ["-fno-builtin"],
1323}
1324
1325// ========================================================
1326// libc_common.a --- everything shared by libc.a and libc.so
1327// ========================================================
1328
1329cc_library_static {
1330    defaults: ["libc_defaults"],
1331    name: "libc_common",
1332
1333    whole_static_libs: [
1334        "libarm-optimized-routines-string",
1335        "libasync_safe",
1336        "libc_bionic",
1337        "libc_bootstrap",
1338        "libc_dns",
1339        "libc_fortify",
1340        "libc_freebsd",
1341        "libc_freebsd_large_stack",
1342        "libc_freebsd_ldexp",
1343        "libc_gdtoa",
1344        "libc_netbsd",
1345        "libc_openbsd",
1346        "libc_openbsd_large_stack",
1347        "libc_syscalls",
1348        "libc_tzcode",
1349        "libstdc++",
1350    ],
1351
1352    arch: {
1353        arm: {
1354            whole_static_libs: ["libc_aeabi"],
1355        },
1356    },
1357}
1358
1359// ========================================================
1360// libc_static_dispatch.a/libc_dynamic_dispatch.a --- string/memory "ifuncs"
1361// (Actually ifuncs for libc.so, but a home-grown alternative for libc.a.)
1362// ========================================================
1363
1364cc_defaults {
1365    name: "libc_dispatch_defaults",
1366    defaults: ["libc_defaults"],
1367    arch: {
1368        x86_64: {
1369            srcs: ["arch-x86_64/dynamic_function_dispatch.cpp"],
1370        },
1371        x86: {
1372            srcs: ["arch-x86/dynamic_function_dispatch.cpp"],
1373        },
1374        arm: {
1375            srcs: ["arch-arm/dynamic_function_dispatch.cpp"],
1376        },
1377        arm64: {
1378            srcs: ["arch-arm64/dynamic_function_dispatch.cpp"],
1379        },
1380        riscv64: {
1381            srcs: ["arch-riscv64/dynamic_function_dispatch.cpp"],
1382        },
1383    },
1384    // Prevent the compiler from inserting calls to libc/taking the address of
1385    // a jump table from within an ifunc (or, in the static case, code that
1386    // can be executed arbitrarily early).
1387    cflags: [
1388        "-ffreestanding",
1389        "-fno-stack-protector",
1390        "-fno-jump-tables",
1391    ],
1392}
1393
1394cc_library_static {
1395    name: "libc_static_dispatch",
1396    defaults: ["libc_dispatch_defaults"],
1397    cflags: [
1398        "-DBIONIC_STATIC_DISPATCH",
1399    ],
1400}
1401
1402cc_library_static {
1403    name: "libc_dynamic_dispatch",
1404    defaults: ["libc_dispatch_defaults"],
1405    cflags: [
1406        "-DBIONIC_DYNAMIC_DISPATCH",
1407    ],
1408}
1409
1410// ========================================================
1411// libc_common_static.a For static binaries.
1412// ========================================================
1413cc_library_static {
1414    defaults: ["libc_defaults"],
1415    name: "libc_common_static",
1416
1417    whole_static_libs: [
1418        "libc_common",
1419        "libc_static_dispatch",
1420    ],
1421}
1422
1423// ========================================================
1424// libc_common_shared.a For shared libraries.
1425// ========================================================
1426cc_library_static {
1427    defaults: ["libc_defaults"],
1428    name: "libc_common_shared",
1429
1430    whole_static_libs: [
1431        "libc_common",
1432        "libc_dynamic_dispatch",
1433    ],
1434}
1435
1436// Versions of dl_iterate_phdr and similar APIs used to lookup unwinding information in a static
1437// executable.
1438cc_library_static {
1439    name: "libc_unwind_static",
1440    defaults: ["libc_defaults"],
1441    cflags: ["-DLIBC_STATIC"],
1442
1443    srcs: ["bionic/dl_iterate_phdr_static.cpp"],
1444    arch: {
1445        // arm32-specific dl_unwind_find_exidx and __gnu_Unwind_Find_exidx APIs
1446        arm: {
1447            srcs: ["arch-arm/bionic/exidx_static.c"],
1448        },
1449    },
1450}
1451
1452// ========================================================
1453// libc_nomalloc.a
1454// ========================================================
1455//
1456// This is a version of the static C library used by the dynamic linker that exclude malloc. It also
1457// excludes functions selected using ifunc's (e.g. for string.h). Link in either
1458// libc_static_dispatch or libc_dynamic_dispatch to provide those functions.
1459
1460cc_library_static {
1461    name: "libc_nomalloc",
1462    defaults: ["libc_defaults"],
1463
1464    whole_static_libs: [
1465        "libc_common",
1466        "libc_init_static",
1467        "libc_unwind_static",
1468    ],
1469}
1470
1471filegroup {
1472    name: "libc_sources_shared",
1473    srcs: [
1474        "arch-common/bionic/crtbegin_so.c",
1475        "arch-common/bionic/crtbrand.S",
1476        "bionic/android_mallopt.cpp",
1477        "bionic/gwp_asan_wrappers.cpp",
1478        "bionic/heap_tagging.cpp",
1479        "bionic/icu.cpp",
1480        "bionic/malloc_common.cpp",
1481        "bionic/malloc_common_dynamic.cpp",
1482        "bionic/android_profiling_dynamic.cpp",
1483        "bionic/malloc_heapprofd.cpp",
1484        "bionic/malloc_limit.cpp",
1485        "bionic/ndk_cruft.cpp",
1486        "bionic/ndk_cruft_data.cpp",
1487        "bionic/NetdClient.cpp",
1488        "arch-common/bionic/crtend_so.S",
1489    ],
1490}
1491
1492filegroup {
1493    name: "libc_sources_static",
1494    srcs: [
1495        "bionic/android_mallopt.cpp",
1496        "bionic/gwp_asan_wrappers.cpp",
1497        "bionic/heap_tagging.cpp",
1498        "bionic/icu_static.cpp",
1499        "bionic/malloc_common.cpp",
1500        "bionic/malloc_limit.cpp",
1501    ],
1502}
1503
1504filegroup {
1505    name: "libc_sources_shared_arm",
1506    srcs: [
1507        "arch-arm/bionic/exidx_dynamic.c",
1508        "arch-arm/bionic/atexit_legacy.c",
1509    ],
1510}
1511
1512// ========================================================
1513// libc.a + libc.so
1514// ========================================================
1515cc_defaults {
1516    defaults: [
1517        "libc_defaults",
1518        "libc_native_allocator_defaults",
1519        "bug_24465209_workaround",
1520        "keep_symbols",
1521    ],
1522    name: "libc_library_defaults",
1523    product_variables: {
1524        platform_sdk_version: {
1525            asflags: ["-DPLATFORM_SDK_VERSION=%d"],
1526        },
1527    },
1528    static: {
1529        srcs: [":libc_sources_static"],
1530        cflags: ["-DLIBC_STATIC"],
1531        whole_static_libs: [
1532            "gwp_asan",
1533            "libc_init_static",
1534            "libc_common_static",
1535            "libc_unwind_static",
1536        ],
1537    },
1538    shared: {
1539        srcs: [":libc_sources_shared"],
1540        whole_static_libs: [
1541            "gwp_asan",
1542            "libc_init_dynamic",
1543            "libc_common_shared",
1544            "libunwind-exported",
1545        ],
1546    },
1547
1548    required: [
1549        "tzdata_prebuilt",
1550        "tz_version_prebuilt", // Version metadata for tzdata to help debugging.
1551    ],
1552
1553    // Do not pack libc.so relocations; see http://b/20645321 for details.
1554    pack_relocations: false,
1555
1556    shared_libs: [
1557        "ld-android",
1558        "libdl",
1559    ],
1560    static_libs: [
1561        "libdl_android",
1562    ],
1563
1564    nocrt: true,
1565
1566    arch: {
1567        arm: {
1568            version_script: ":libc.arm.map",
1569            no_libcrt: true,
1570
1571            shared: {
1572                srcs: [":libc_sources_shared_arm"],
1573                // special for arm
1574                cflags: ["-DCRT_LEGACY_WORKAROUND"],
1575                // For backwards compatibility, some arm32 builtins are exported from libc.so.
1576                static_libs: ["libclang_rt.builtins-exported"],
1577            },
1578
1579            ldflags: [
1580                // Since we preserve the debug_frame for libc, do not compress
1581                // in this case to make unwinds as fast as possible.
1582                "-Wl,--compress-debug-sections=none",
1583            ],
1584        },
1585        arm64: {
1586            version_script: ":libc.arm64.map",
1587        },
1588        riscv64: {
1589            version_script: ":libc.riscv64.map",
1590        },
1591        x86: {
1592            version_script: ":libc.x86.map",
1593            no_libcrt: true,
1594
1595            shared: {
1596                // For backwards compatibility, some x86 builtins are exported from libc.so.
1597                static_libs: ["libclang_rt.builtins-exported"],
1598            },
1599        },
1600        x86_64: {
1601            version_script: ":libc.x86_64.map",
1602        },
1603    },
1604
1605    apex_available: [
1606        "com.android.runtime",
1607    ],
1608
1609    target: {
1610        native_bridge: {
1611            shared: {
1612                installable: false,
1613            },
1614        },
1615    },
1616}
1617
1618cc_library {
1619    name: "libc",
1620    defaults: [
1621        "libc_library_defaults",
1622    ],
1623    stubs: {
1624        symbol_file: "libc.map.txt",
1625        versions: [
1626            "29",
1627            "R",
1628            "current",
1629        ],
1630    },
1631    static_ndk_lib: true,
1632    llndk: {
1633        symbol_file: "libc.map.txt",
1634        export_headers_as_system: true,
1635        export_llndk_headers: ["libc_headers"],
1636    },
1637}
1638
1639cc_library {
1640    name: "libc_hwasan",
1641    defaults: [
1642        "libc_library_defaults",
1643    ],
1644    sanitize: {
1645        hwaddress: true,
1646    },
1647    enabled: false,
1648    target: {
1649        android_arm64: {
1650            enabled: true,
1651        },
1652    },
1653    stem: "libc",
1654    relative_install_path: "hwasan",
1655    // We don't really need the stubs, but this needs to stay to trigger the
1656    // symlink logic in soong.
1657    stubs: {
1658        symbol_file: "libc.map.txt",
1659    },
1660    native_bridge_supported: false,
1661    // It is never correct to depend on this directly. This is only
1662    // needed for the runtime apex, and in base_system.mk, and system_image_defaults
1663    // which is default module for soong-defined system image.
1664    visibility: [
1665        "//bionic/apex",
1666        "//build/make/target/product/generic",
1667        //TODO(b/381985636) : Remove visibility to Soong-defined GSI once resolved
1668        "//build/make/target/product/gsi",
1669    ],
1670}
1671
1672genrule {
1673    name: "libc.arm.map",
1674    out: ["libc.arm.map.txt"],
1675    srcs: ["libc.map.txt"],
1676    tools: ["generate-version-script"],
1677    cmd: "$(location generate-version-script) arm $(in) $(out)",
1678}
1679
1680genrule {
1681    name: "libc.arm64.map",
1682    out: ["libc.arm64.map.txt"],
1683    srcs: ["libc.map.txt"],
1684    tools: ["generate-version-script"],
1685    cmd: "$(location generate-version-script) arm64 $(in) $(out)",
1686}
1687
1688genrule {
1689    name: "libc.riscv64.map",
1690    out: ["libc.riscv64.map.txt"],
1691    srcs: ["libc.map.txt"],
1692    tools: ["generate-version-script"],
1693    cmd: "$(location generate-version-script) riscv64 $(in) $(out)",
1694}
1695
1696genrule {
1697    name: "libc.x86.map",
1698    out: ["libc.x86.map.txt"],
1699    srcs: ["libc.map.txt"],
1700    tools: ["generate-version-script"],
1701    cmd: "$(location generate-version-script) x86 $(in) $(out)",
1702}
1703
1704genrule {
1705    name: "libc.x86_64.map",
1706    out: ["libc.x86_64.map.txt"],
1707    srcs: ["libc.map.txt"],
1708    tools: ["generate-version-script"],
1709    cmd: "$(location generate-version-script) x86_64 $(in) $(out)",
1710}
1711
1712// Headers that only other parts of the platform can include.
1713cc_library_headers {
1714    name: "bionic_libc_platform_headers",
1715    defaults: ["linux_bionic_supported"],
1716    visibility: [
1717        "//art:__subpackages__",
1718        "//bionic:__subpackages__",
1719        "//frameworks:__subpackages__",
1720        "//device/generic/goldfish-opengl:__subpackages__",
1721        "//external/gwp_asan:__subpackages__",
1722        "//external/perfetto:__subpackages__",
1723        "//external/scudo:__subpackages__",
1724        "//system/core/debuggerd:__subpackages__",
1725        "//system/core/init:__subpackages__",
1726        "//system/core/libcutils:__subpackages__",
1727        "//system/memory/libmemunreachable:__subpackages__",
1728        "//system/unwinding/libunwindstack:__subpackages__",
1729        "//tools/security/sanitizer-status:__subpackages__",
1730    ],
1731    vendor_available: true,
1732    product_available: true,
1733    ramdisk_available: true,
1734    vendor_ramdisk_available: true,
1735    recovery_available: true,
1736    native_bridge_supported: true,
1737    export_include_dirs: [
1738        "platform",
1739    ],
1740    system_shared_libs: [],
1741    stl: "none",
1742    sdk_version: "current",
1743
1744    min_sdk_version: "29",
1745    apex_available: [
1746        "//apex_available:platform",
1747        "//apex_available:anyapex",
1748    ],
1749}
1750
1751cc_library_headers {
1752    name: "libc_uapi_headers",
1753    visibility: [
1754        "//external/musl",
1755        "//external/rust/crates/v4l2r/android",
1756    ],
1757    llndk: {
1758        llndk_headers: true,
1759    },
1760    host_supported: true,
1761    vendor_available: true,
1762    product_available: true,
1763    ramdisk_available: true,
1764    vendor_ramdisk_available: true,
1765    recovery_available: true,
1766    native_bridge_supported: true,
1767    apex_available: [
1768        "//apex_available:platform",
1769        "//apex_available:anyapex",
1770    ],
1771    // used by most APEXes indirectly via libunwind_llvm
1772    min_sdk_version: "apex_inherit",
1773
1774    no_libcrt: true,
1775    stl: "none",
1776    system_shared_libs: [],
1777
1778    // The build system generally requires that any dependencies of a target
1779    // with an sdk_version must have a lower sdk_version. By setting sdk_version
1780    // to 1 we let targets with an sdk_version that need to depend on the libc
1781    // headers but cannot depend on libc itself due to circular dependencies
1782    // (such as libunwind_llvm) depend on the headers. Setting sdk_version to 1
1783    // is correct because the headers can support any sdk_version.
1784    sdk_version: "1",
1785
1786    export_system_include_dirs: [
1787        "kernel/uapi",
1788        "kernel/android/scsi",
1789        "kernel/android/uapi",
1790    ],
1791
1792    arch: {
1793        arm: {
1794            export_system_include_dirs: ["kernel/uapi/asm-arm"],
1795        },
1796        arm64: {
1797            export_system_include_dirs: ["kernel/uapi/asm-arm64"],
1798        },
1799        riscv64: {
1800            export_system_include_dirs: ["kernel/uapi/asm-riscv"],
1801        },
1802        x86: {
1803            export_system_include_dirs: ["kernel/uapi/asm-x86"],
1804        },
1805        x86_64: {
1806            export_system_include_dirs: ["kernel/uapi/asm-x86"],
1807        },
1808    },
1809}
1810
1811cc_library_headers {
1812    name: "libc_headers",
1813    host_supported: true,
1814    native_bridge_supported: true,
1815    vendor_available: true,
1816    product_available: true,
1817    ramdisk_available: true,
1818    vendor_ramdisk_available: true,
1819    recovery_available: true,
1820    sdk_version: "1",
1821
1822    apex_available: [
1823        "//apex_available:platform",
1824        "//apex_available:anyapex",
1825    ],
1826    // used by most APEXes indirectly via libunwind_llvm
1827    min_sdk_version: "apex_inherit",
1828    visibility: [
1829        "//bionic:__subpackages__", // visible to bionic
1830        // ... and only to these places (b/152668052)
1831        "//external/arm-optimized-routines",
1832        "//external/gwp_asan",
1833        "//external/jemalloc_new",
1834        "//external/libunwind_llvm",
1835        "//external/llvm-libc",
1836        "//external/scudo",
1837        "//system/core/property_service/libpropertyinfoparser",
1838        "//system/extras/toolchain-extras",
1839    ],
1840
1841    stl: "none",
1842    no_libcrt: true,
1843    system_shared_libs: [],
1844
1845    target: {
1846        android: {
1847            export_system_include_dirs: ["include"],
1848            header_libs: ["libc_uapi_headers"],
1849            export_header_lib_headers: ["libc_uapi_headers"],
1850        },
1851        linux_bionic: {
1852            export_system_include_dirs: ["include"],
1853            header_libs: ["libc_uapi_headers"],
1854            export_header_lib_headers: ["libc_uapi_headers"],
1855        },
1856    },
1857}
1858
1859// ========================================================
1860// libstdc++.so and libstdc++.a.
1861// ========================================================
1862
1863cc_library {
1864    defaults: [
1865        "libc_defaults",
1866        "bug_24465209_workaround",
1867    ],
1868    include_dirs: ["bionic/libstdc++/include"],
1869    srcs: [
1870        "bionic/__cxa_guard.cpp",
1871        "bionic/__cxa_pure_virtual.cpp",
1872        "bionic/new.cpp",
1873    ],
1874    name: "libstdc++",
1875    static_ndk_lib: true,
1876    static_libs: ["libasync_safe"],
1877    apex_available: [
1878        "//apex_available:platform",
1879    ],
1880
1881    static: {
1882        system_shared_libs: [],
1883    },
1884    target: {
1885        bionic: {
1886            shared: {
1887                system_shared_libs: ["libc"],
1888            },
1889        },
1890    },
1891
1892    arch: {
1893        arm: {
1894            version_script: ":libstdc++.arm.map",
1895        },
1896        arm64: {
1897            version_script: ":libstdc++.arm64.map",
1898        },
1899        riscv64: {
1900            version_script: ":libstdc++.riscv64.map",
1901        },
1902        x86: {
1903            version_script: ":libstdc++.x86.map",
1904        },
1905        x86_64: {
1906            version_script: ":libstdc++.x86_64.map",
1907        },
1908    },
1909}
1910
1911genrule {
1912    name: "libstdc++.arm.map",
1913    out: ["libstdc++.arm.map.txt"],
1914    srcs: ["libstdc++.map.txt"],
1915    tools: ["generate-version-script"],
1916    cmd: "$(location generate-version-script) arm $(in) $(out)",
1917}
1918
1919genrule {
1920    name: "libstdc++.arm64.map",
1921    out: ["libstdc++.arm64.map.txt"],
1922    srcs: ["libstdc++.map.txt"],
1923    tools: ["generate-version-script"],
1924    cmd: "$(location generate-version-script) arm64 $(in) $(out)",
1925}
1926
1927genrule {
1928    name: "libstdc++.riscv64.map",
1929    out: ["libstdc++.riscv64.map.txt"],
1930    srcs: ["libstdc++.map.txt"],
1931    tools: ["generate-version-script"],
1932    cmd: "$(location generate-version-script) riscv64 $(in) $(out)",
1933}
1934
1935genrule {
1936    name: "libstdc++.x86.map",
1937    out: ["libstdc++.x86.map.txt"],
1938    srcs: ["libstdc++.map.txt"],
1939    tools: ["generate-version-script"],
1940    cmd: "$(location generate-version-script) x86 $(in) $(out)",
1941}
1942
1943genrule {
1944    name: "libstdc++.x86_64.map",
1945    out: ["libstdc++.x86_64.map.txt"],
1946    srcs: ["libstdc++.map.txt"],
1947    tools: ["generate-version-script"],
1948    cmd: "$(location generate-version-script) x86_64 $(in) $(out)",
1949}
1950
1951// ========================================================
1952// crt object files.
1953// ========================================================
1954
1955cc_defaults {
1956    name: "crt_and_memtag_defaults",
1957    defaults: ["linux_bionic_supported"],
1958    vendor_available: true,
1959    product_available: true,
1960    ramdisk_available: true,
1961    vendor_ramdisk_available: true,
1962    recovery_available: true,
1963    native_bridge_supported: true,
1964    apex_available: [
1965        "//apex_available:platform",
1966        "//apex_available:anyapex",
1967    ],
1968    // Generate NDK variants of the CRT objects for every supported API level.
1969    min_sdk_version: "16",
1970    stl: "none",
1971    crt: true,
1972    cflags: [
1973        "-Wno-gcc-compat",
1974        "-Wall",
1975        "-Werror",
1976    ],
1977    sanitize: {
1978        never: true,
1979    },
1980}
1981
1982cc_defaults {
1983    name: "crt_defaults",
1984    defaults: ["crt_and_memtag_defaults"],
1985    system_shared_libs: [],
1986}
1987
1988cc_defaults {
1989    name: "crt_so_defaults",
1990    defaults: ["crt_defaults"],
1991    stl: "none",
1992}
1993
1994cc_object {
1995    name: "crtbrand",
1996    local_include_dirs: [
1997        "private", // crtbrand.S depends on private/bionic_asm_note.h
1998    ],
1999    // crtbrand.S needs to know the platform SDK version.
2000    product_variables: {
2001        platform_sdk_version: {
2002            asflags: ["-DPLATFORM_SDK_VERSION=%d"],
2003        },
2004    },
2005    srcs: ["arch-common/bionic/crtbrand.S"],
2006
2007    defaults: ["crt_so_defaults"],
2008    // crtbrand is an intermediate artifact, not a final CRT object.
2009    exclude_from_ndk_sysroot: true,
2010}
2011
2012cc_object {
2013    name: "crtbegin_so",
2014    local_include_dirs: ["include"],
2015    srcs: ["arch-common/bionic/crtbegin_so.c"],
2016
2017    defaults: ["crt_so_defaults"],
2018    objs: [
2019        "crtbrand",
2020    ],
2021}
2022
2023cc_object {
2024    name: "crtend_so",
2025    local_include_dirs: [
2026        "private", // crtend_so.S depends on private/bionic_asm_arm64.h
2027    ],
2028    srcs: ["arch-common/bionic/crtend_so.S"],
2029
2030    defaults: ["crt_so_defaults"],
2031}
2032
2033cc_object {
2034    name: "crtbegin_static",
2035
2036    local_include_dirs: [
2037        "include",
2038        "bionic", // crtbegin.c includes bionic/libc_init_common.h
2039    ],
2040
2041    cflags: ["-DCRTBEGIN_STATIC"],
2042
2043    srcs: ["arch-common/bionic/crtbegin.c"],
2044    objs: [
2045        "crtbrand",
2046    ],
2047    defaults: ["crt_defaults"],
2048    // When using libc.a, we're using the latest library regardless of target API level.
2049    min_sdk_version: "current",
2050}
2051
2052cc_object {
2053    name: "crtbegin_dynamic",
2054
2055    local_include_dirs: [
2056        "include",
2057        "bionic", // crtbegin.c includes bionic/libc_init_common.h
2058    ],
2059    srcs: ["arch-common/bionic/crtbegin.c"],
2060    objs: [
2061        "crtbrand",
2062    ],
2063    target: {
2064        linux_bionic: {
2065            generated_sources: ["host_bionic_linker_asm"],
2066            objs: [
2067                "linker_wrapper",
2068            ],
2069        },
2070    },
2071    defaults: ["crt_defaults"],
2072}
2073
2074cc_object {
2075    // We rename crtend.o to crtend_android.o to avoid a
2076    // name clash between gcc and bionic.
2077    name: "crtend_android",
2078    local_include_dirs: [
2079        "private", // crtend.S depends on private/bionic_asm_arm64.h
2080    ],
2081    srcs: ["arch-common/bionic/crtend.S"],
2082
2083    defaults: ["crt_defaults"],
2084}
2085
2086cc_object {
2087    name: "crt_pad_segment",
2088    local_include_dirs: [
2089        "private", // crt_pad_segment.S depends on private/bionic_asm_note.h
2090    ],
2091    srcs: ["arch-common/bionic/crt_pad_segment.S"],
2092
2093    defaults: ["crt_defaults"],
2094}
2095
2096cc_library_static {
2097    name: "note_memtag_heap_async",
2098    arch: {
2099        arm64: {
2100            srcs: ["arch-arm64/bionic/note_memtag_heap_async.S"],
2101        },
2102    },
2103    sdk_version: "minimum",
2104
2105    defaults: ["crt_and_memtag_defaults"],
2106}
2107
2108cc_library_static {
2109    name: "note_memtag_heap_sync",
2110    arch: {
2111        arm64: {
2112            srcs: ["arch-arm64/bionic/note_memtag_heap_sync.S"],
2113        },
2114    },
2115    sdk_version: "minimum",
2116
2117    defaults: ["crt_and_memtag_defaults"],
2118}
2119
2120// ========================================================
2121// libc dependencies for baremetal Rust projects.
2122// ========================================================
2123
2124// This library contains the following unresolved symbols:
2125//     __errno
2126//     abort
2127//     async_safe_fatal_va_list
2128cc_library_static {
2129    name: "librust_baremetal",
2130    defaults: ["cc_baremetal_defaults"],
2131    header_libs: ["libc_headers"],
2132    include_dirs: [
2133        "bionic/libc/async_safe/include",
2134        "bionic/libc/platform",
2135    ],
2136    cflags: [
2137        "-Wall",
2138        "-Werror",
2139    ],
2140    srcs: [
2141        "bionic/fortify.cpp",
2142        "bionic/strtol.cpp",
2143    ],
2144    arch: {
2145        arm64: {
2146            srcs: [
2147                "arch-arm64/string/__memcpy_chk.S",
2148            ],
2149        },
2150        riscv64: {
2151            srcs: [
2152                "arch-riscv64/string/__memcpy_chk.S",
2153            ],
2154        },
2155    },
2156    whole_static_libs: [
2157        "//external/llvm-libc:llvmlibc",
2158        "libarm-optimized-routines-mem",
2159        "libc_netbsd",
2160    ],
2161    system_shared_libs: [],
2162    nocrt: true,
2163    stl: "none",
2164    visibility: [
2165        "//packages/modules/Virtualization/libs/libvmbase",
2166    ],
2167
2168    // b/358211032: This library gets linked into a rust rlib.  Disable LTO
2169    // until cross-language lto is supported.
2170    lto: {
2171        never: true,
2172    },
2173}
2174
2175// ========================================================
2176// NDK headers.
2177// ========================================================
2178
2179ndk_headers {
2180    name: "common_libc",
2181    from: "include",
2182    to: "",
2183    srcs: ["include/**/*.h"],
2184    license: "NOTICE",
2185    // These don't pass the bad verification we do because many of them are
2186    // arch-specific, and they aren't necessarily independently includable.
2187    // That's not much of a problem though, since C-incompaitibilities in the
2188    // UAPI headers should run into problems long before they reach us.
2189    skip_verification: true,
2190}
2191
2192ndk_headers {
2193    name: "libc_uapi",
2194    from: "kernel/uapi",
2195    to: "",
2196    srcs: [
2197        "kernel/uapi/asm-generic/**/*.h",
2198        "kernel/uapi/drm/**/*.h",
2199        "kernel/uapi/linux/**/*.h",
2200        "kernel/uapi/misc/**/*.h",
2201        "kernel/uapi/mtd/**/*.h",
2202        "kernel/uapi/rdma/**/*.h",
2203        "kernel/uapi/scsi/**/*.h",
2204        "kernel/uapi/sound/**/*.h",
2205        "kernel/uapi/video/**/*.h",
2206        "kernel/uapi/xen/**/*.h",
2207    ],
2208    license: "NOTICE",
2209    skip_verification: true,
2210}
2211
2212ndk_headers {
2213    name: "libc_kernel_android_uapi_linux",
2214    from: "kernel/android/uapi/linux",
2215    to: "linux",
2216    srcs: ["kernel/android/uapi/linux/**/*.h"],
2217    license: "NOTICE",
2218}
2219
2220ndk_headers {
2221    name: "libc_kernel_android_scsi",
2222    from: "kernel/android/scsi/scsi",
2223    to: "scsi",
2224    srcs: ["kernel/android/scsi/**/*.h"],
2225    license: "NOTICE",
2226    skip_verification: true,
2227}
2228
2229ndk_headers {
2230    name: "libc_asm_arm",
2231    from: "kernel/uapi/asm-arm",
2232    to: "arm-linux-androideabi",
2233    srcs: ["kernel/uapi/asm-arm/**/*.h"],
2234    license: "NOTICE",
2235    skip_verification: true,
2236}
2237
2238ndk_headers {
2239    name: "libc_asm_arm64",
2240    from: "kernel/uapi/asm-arm64",
2241    to: "aarch64-linux-android",
2242    srcs: ["kernel/uapi/asm-arm64/**/*.h"],
2243    license: "NOTICE",
2244    skip_verification: true,
2245}
2246
2247ndk_headers {
2248    name: "libc_asm_riscv64",
2249    from: "kernel/uapi/asm-riscv",
2250    to: "riscv64-linux-android",
2251    srcs: ["kernel/uapi/asm-riscv/**/*.h"],
2252    license: "NOTICE",
2253    skip_verification: true,
2254}
2255
2256ndk_headers {
2257    name: "libc_asm_x86",
2258    from: "kernel/uapi/asm-x86",
2259    to: "i686-linux-android",
2260    srcs: ["kernel/uapi/asm-x86/**/*.h"],
2261    license: "NOTICE",
2262    skip_verification: true,
2263}
2264
2265ndk_headers {
2266    name: "libc_asm_x86_64",
2267    from: "kernel/uapi/asm-x86",
2268    to: "x86_64-linux-android",
2269    srcs: ["kernel/uapi/asm-x86/**/*.h"],
2270    license: "NOTICE",
2271    skip_verification: true,
2272}
2273
2274ndk_library {
2275    name: "libc",
2276    symbol_file: "libc.map.txt",
2277    first_version: "9",
2278}
2279
2280ndk_library {
2281    name: "libstdc++",
2282    symbol_file: "libstdc++.map.txt",
2283    first_version: "9",
2284}
2285
2286// Export these headers for toolbox to process
2287filegroup {
2288    name: "kernel_input_headers",
2289    srcs: [
2290        "kernel/uapi/linux/input.h",
2291        "kernel/uapi/linux/input-event-codes.h",
2292    ],
2293}
2294
2295// Generate a syscall name / number mapping. These objects are text files
2296// (thanks to the -dD -E flags) and not binary files. They will then be
2297// consumed by the genseccomp.py script and converted into C++ code.
2298cc_defaults {
2299    name: "libseccomp_gen_syscall_nrs_defaults",
2300    recovery_available: true,
2301    srcs: ["seccomp/gen_syscall_nrs.cpp"],
2302    cflags: [
2303        "-dD",
2304        "-E",
2305        "-Wall",
2306        "-Werror",
2307        "-nostdinc",
2308    ],
2309}
2310
2311cc_object {
2312    name: "libseccomp_gen_syscall_nrs_arm",
2313    defaults: ["libseccomp_gen_syscall_nrs_defaults"],
2314    local_include_dirs: [
2315        "kernel/uapi/asm-arm",
2316        "kernel/uapi",
2317    ],
2318}
2319
2320cc_object {
2321    name: "libseccomp_gen_syscall_nrs_arm64",
2322    defaults: ["libseccomp_gen_syscall_nrs_defaults"],
2323    local_include_dirs: [
2324        "kernel/uapi/asm-arm64",
2325        "kernel/uapi",
2326    ],
2327}
2328
2329cc_object {
2330    name: "libseccomp_gen_syscall_nrs_riscv64",
2331    defaults: ["libseccomp_gen_syscall_nrs_defaults"],
2332    local_include_dirs: [
2333        "kernel/uapi/asm-riscv",
2334        "kernel/uapi",
2335    ],
2336}
2337
2338cc_object {
2339    name: "libseccomp_gen_syscall_nrs_x86",
2340    defaults: ["libseccomp_gen_syscall_nrs_defaults"],
2341    srcs: ["seccomp/gen_syscall_nrs_x86.cpp"],
2342    exclude_srcs: ["seccomp/gen_syscall_nrs.cpp"],
2343    local_include_dirs: [
2344        "kernel/uapi/asm-x86",
2345        "kernel/uapi",
2346    ],
2347}
2348
2349cc_object {
2350    name: "libseccomp_gen_syscall_nrs_x86_64",
2351    defaults: ["libseccomp_gen_syscall_nrs_defaults"],
2352    srcs: ["seccomp/gen_syscall_nrs_x86_64.cpp"],
2353    exclude_srcs: ["seccomp/gen_syscall_nrs.cpp"],
2354    local_include_dirs: [
2355        "kernel/uapi/asm-x86",
2356        "kernel/uapi",
2357    ],
2358}
2359
2360filegroup {
2361    name: "all_kernel_uapi_headers",
2362    srcs: ["kernel/uapi/**/*.h"],
2363}
2364
2365cc_genrule {
2366    name: "func_to_syscall_nrs",
2367    recovery_available: true,
2368    cmd: "$(location genfunctosyscallnrs) --out-dir=$(genDir) $(in)",
2369
2370    tools: ["genfunctosyscallnrs"],
2371
2372    srcs: [
2373        "SYSCALLS.TXT",
2374    ],
2375
2376    arch: {
2377        arm: {
2378            srcs: [
2379                ":libseccomp_gen_syscall_nrs_arm",
2380                ":libseccomp_gen_syscall_nrs_arm64",
2381            ],
2382        },
2383        arm64: {
2384            srcs: [
2385                ":libseccomp_gen_syscall_nrs_arm",
2386                ":libseccomp_gen_syscall_nrs_arm64",
2387            ],
2388        },
2389        riscv64: {
2390            srcs: [":libseccomp_gen_syscall_nrs_riscv64"],
2391        },
2392        x86: {
2393            srcs: [
2394                ":libseccomp_gen_syscall_nrs_x86",
2395                ":libseccomp_gen_syscall_nrs_x86_64",
2396            ],
2397        },
2398        x86_64: {
2399            srcs: [
2400                ":libseccomp_gen_syscall_nrs_x86",
2401                ":libseccomp_gen_syscall_nrs_x86_64",
2402            ],
2403        },
2404    },
2405
2406    out: [
2407        "func_to_syscall_nrs.h",
2408    ],
2409}
2410
2411// SECCOMP_BLOCKLIST_APP_ZYGOTE.TXT = SECCOMP_BLOCKLIST_APP.txt - setresgid*
2412genrule {
2413    name: "generate_app_zygote_blocklist",
2414    out: ["SECCOMP_BLOCKLIST_APP_ZYGOTE.TXT"],
2415    srcs: ["SECCOMP_BLOCKLIST_APP.TXT"],
2416    cmd: "grep -v '^int[ \t]*setresgid' $(in) > $(out)",
2417}
2418
2419filegroup {
2420    name: "seccomp_syscalls_sources_zygote",
2421    srcs: [
2422        "SYSCALLS.TXT",
2423        "SECCOMP_ALLOWLIST_COMMON.TXT",
2424        "SECCOMP_ALLOWLIST_APP.TXT",
2425        "SECCOMP_BLOCKLIST_COMMON.TXT",
2426        "SECCOMP_PRIORITY.TXT",
2427        ":generate_app_zygote_blocklist",
2428    ],
2429}
2430
2431filegroup {
2432    name: "seccomp_syscalls_sources_app",
2433    srcs: [
2434        "SYSCALLS.TXT",
2435        "SECCOMP_ALLOWLIST_COMMON.TXT",
2436        "SECCOMP_ALLOWLIST_APP.TXT",
2437        "SECCOMP_BLOCKLIST_COMMON.TXT",
2438        "SECCOMP_BLOCKLIST_APP.TXT",
2439        "SECCOMP_PRIORITY.TXT",
2440    ],
2441}
2442
2443filegroup {
2444    name: "seccomp_syscalls_sources_system",
2445    srcs: [
2446        "SYSCALLS.TXT",
2447        "SECCOMP_ALLOWLIST_COMMON.TXT",
2448        "SECCOMP_ALLOWLIST_SYSTEM.TXT",
2449        "SECCOMP_BLOCKLIST_COMMON.TXT",
2450        "SECCOMP_PRIORITY.TXT",
2451    ],
2452}
2453
2454cc_genrule {
2455    name: "libseccomp_policy_app_zygote_sources_x86",
2456    recovery_available: true,
2457    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=app_zygote $(in)",
2458    tools: ["genseccomp"],
2459    srcs: [
2460        ":seccomp_syscalls_sources_zygote",
2461        ":libseccomp_gen_syscall_nrs_x86",
2462        ":libseccomp_gen_syscall_nrs_x86_64",
2463    ],
2464    out: [
2465        "x86_app_zygote_policy.cpp",
2466        "x86_64_app_zygote_policy.cpp",
2467    ],
2468    enabled: false,
2469    arch: {
2470        x86: {
2471            enabled: true,
2472        },
2473        x86_64: {
2474            enabled: true,
2475        },
2476    },
2477}
2478
2479cc_genrule {
2480    name: "libseccomp_policy_app_zygote_sources_arm",
2481    recovery_available: true,
2482    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=app_zygote $(in)",
2483    tools: ["genseccomp"],
2484    srcs: [
2485        ":seccomp_syscalls_sources_zygote",
2486        ":libseccomp_gen_syscall_nrs_arm",
2487        ":libseccomp_gen_syscall_nrs_arm64",
2488    ],
2489    out: [
2490        "arm_app_zygote_policy.cpp",
2491        "arm64_app_zygote_policy.cpp",
2492    ],
2493    enabled: false,
2494    arch: {
2495        arm: {
2496            enabled: true,
2497        },
2498        arm64: {
2499            enabled: true,
2500        },
2501    },
2502}
2503
2504cc_genrule {
2505    name: "libseccomp_policy_app_zygote_sources_riscv64",
2506    recovery_available: true,
2507    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=app_zygote $(in)",
2508    tools: ["genseccomp"],
2509    srcs: [
2510        ":seccomp_syscalls_sources_zygote",
2511        ":libseccomp_gen_syscall_nrs_riscv64",
2512    ],
2513    out: [
2514        "riscv64_app_zygote_policy.cpp",
2515    ],
2516    enabled: false,
2517    arch: {
2518        riscv64: {
2519            enabled: true,
2520        },
2521    },
2522}
2523
2524cc_genrule {
2525    name: "libseccomp_policy_app_sources_x86",
2526    recovery_available: true,
2527    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=app $(in)",
2528    tools: ["genseccomp"],
2529    srcs: [
2530        ":seccomp_syscalls_sources_app",
2531        ":libseccomp_gen_syscall_nrs_x86",
2532        ":libseccomp_gen_syscall_nrs_x86_64",
2533    ],
2534    out: [
2535        "x86_app_policy.cpp",
2536        "x86_64_app_policy.cpp",
2537    ],
2538    enabled: false,
2539    arch: {
2540        x86: {
2541            enabled: true,
2542        },
2543        x86_64: {
2544            enabled: true,
2545        },
2546    },
2547}
2548
2549cc_genrule {
2550    name: "libseccomp_policy_app_sources_arm",
2551    recovery_available: true,
2552    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=app $(in)",
2553    tools: ["genseccomp"],
2554    srcs: [
2555        ":seccomp_syscalls_sources_app",
2556        ":libseccomp_gen_syscall_nrs_arm",
2557        ":libseccomp_gen_syscall_nrs_arm64",
2558    ],
2559    out: [
2560        "arm_app_policy.cpp",
2561        "arm64_app_policy.cpp",
2562    ],
2563    enabled: false,
2564    arch: {
2565        arm: {
2566            enabled: true,
2567        },
2568        arm64: {
2569            enabled: true,
2570        },
2571    },
2572}
2573
2574cc_genrule {
2575    name: "libseccomp_policy_app_sources_riscv64",
2576    recovery_available: true,
2577    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=app $(in)",
2578    tools: ["genseccomp"],
2579    srcs: [
2580        ":seccomp_syscalls_sources_app",
2581        ":libseccomp_gen_syscall_nrs_riscv64",
2582    ],
2583    out: [
2584        "riscv64_app_policy.cpp",
2585    ],
2586    enabled: false,
2587    arch: {
2588        riscv64: {
2589            enabled: true,
2590        },
2591    },
2592}
2593
2594cc_genrule {
2595    name: "libseccomp_policy_system_sources_x86",
2596    recovery_available: true,
2597    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=system $(in)",
2598    tools: ["genseccomp"],
2599    srcs: [
2600        ":seccomp_syscalls_sources_system",
2601        ":libseccomp_gen_syscall_nrs_x86",
2602        ":libseccomp_gen_syscall_nrs_x86_64",
2603    ],
2604    out: [
2605        "x86_system_policy.cpp",
2606        "x86_64_system_policy.cpp",
2607    ],
2608    enabled: false,
2609    arch: {
2610        x86: {
2611            enabled: true,
2612        },
2613        x86_64: {
2614            enabled: true,
2615        },
2616    },
2617}
2618
2619cc_genrule {
2620    name: "libseccomp_policy_system_sources_arm",
2621    recovery_available: true,
2622    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=system $(in)",
2623    tools: ["genseccomp"],
2624    srcs: [
2625        ":seccomp_syscalls_sources_system",
2626        ":libseccomp_gen_syscall_nrs_arm",
2627        ":libseccomp_gen_syscall_nrs_arm64",
2628    ],
2629    out: [
2630        "arm_system_policy.cpp",
2631        "arm64_system_policy.cpp",
2632    ],
2633    enabled: false,
2634    arch: {
2635        arm: {
2636            enabled: true,
2637        },
2638        arm64: {
2639            enabled: true,
2640        },
2641    },
2642}
2643
2644cc_genrule {
2645    name: "libseccomp_policy_system_sources_riscv64",
2646    recovery_available: true,
2647    cmd: "$(location genseccomp) --out-dir=$(genDir) --name-modifier=system $(in)",
2648    tools: ["genseccomp"],
2649    srcs: [
2650        ":seccomp_syscalls_sources_system",
2651        ":libseccomp_gen_syscall_nrs_riscv64",
2652    ],
2653    out: [
2654        "riscv64_system_policy.cpp",
2655    ],
2656    enabled: false,
2657    arch: {
2658        riscv64: {
2659            enabled: true,
2660        },
2661    },
2662}
2663
2664cc_library {
2665    name: "libseccomp_policy",
2666    recovery_available: true,
2667    generated_headers: ["func_to_syscall_nrs"],
2668
2669    arch: {
2670        arm: {
2671            generated_sources: [
2672                "libseccomp_policy_app_sources_arm",
2673                "libseccomp_policy_app_zygote_sources_arm",
2674                "libseccomp_policy_system_sources_arm",
2675            ],
2676        },
2677        arm64: {
2678            generated_sources: [
2679                "libseccomp_policy_app_sources_arm",
2680                "libseccomp_policy_app_zygote_sources_arm",
2681                "libseccomp_policy_system_sources_arm",
2682            ],
2683        },
2684        riscv64: {
2685            generated_sources: [
2686                "libseccomp_policy_app_sources_riscv64",
2687                "libseccomp_policy_app_zygote_sources_riscv64",
2688                "libseccomp_policy_system_sources_riscv64",
2689            ],
2690        },
2691        x86: {
2692            generated_sources: [
2693                "libseccomp_policy_app_sources_x86",
2694                "libseccomp_policy_app_zygote_sources_x86",
2695                "libseccomp_policy_system_sources_x86",
2696            ],
2697        },
2698        x86_64: {
2699            generated_sources: [
2700                "libseccomp_policy_app_sources_x86",
2701                "libseccomp_policy_app_zygote_sources_x86",
2702                "libseccomp_policy_system_sources_x86",
2703            ],
2704        },
2705    },
2706
2707    srcs: [
2708        "seccomp/seccomp_policy.cpp",
2709    ],
2710
2711    export_include_dirs: ["seccomp/include"],
2712    cflags: [
2713        "-Wall",
2714        "-Werror",
2715    ],
2716    shared: {
2717        shared_libs: ["libbase"],
2718    },
2719    static: {
2720        static_libs: ["libbase"],
2721    },
2722}
2723
2724cc_library_host_static {
2725    name: "libfts",
2726    srcs: [
2727        "bionic/fts.c",
2728        "upstream-openbsd/lib/libc/stdlib/recallocarray.c",
2729    ],
2730    export_include_dirs: ["fts/include"],
2731    local_include_dirs: [
2732        "private",
2733        "upstream-openbsd/android/include",
2734    ],
2735    cflags: [
2736        "-include openbsd-compat.h",
2737        "-Wno-unused-parameter",
2738    ],
2739    enabled: false,
2740    target: {
2741        musl: {
2742            enabled: true,
2743        },
2744    },
2745    stl: "none",
2746}
2747
2748cc_library_host_static {
2749    name: "libexecinfo",
2750    visibility: ["//external/musl"],
2751    srcs: ["bionic/execinfo.cpp"],
2752    export_include_dirs: ["execinfo/include"],
2753    local_include_dirs: ["private"],
2754    enabled: false,
2755    target: {
2756        musl: {
2757            enabled: true,
2758            system_shared_libs: [],
2759            header_libs: ["libc_musl_headers"],
2760        },
2761    },
2762    stl: "none",
2763}
2764
2765cc_library_host_static {
2766    name: "libb64",
2767    visibility: ["//external/musl"],
2768    srcs: ["upstream-openbsd/lib/libc/net/base64.c"],
2769    export_include_dirs: ["b64/include"],
2770    local_include_dirs: [
2771        "private",
2772        "upstream-openbsd/android/include",
2773    ],
2774    cflags: [
2775        "-include openbsd-compat.h",
2776    ],
2777    enabled: false,
2778    target: {
2779        musl: {
2780            enabled: true,
2781            system_shared_libs: [],
2782            header_libs: ["libc_musl_headers"],
2783        },
2784    },
2785    stl: "none",
2786}
2787
2788// Export kernel uapi headers to be used in the musl sysroot.
2789// Also include the execinfo headers for the libexecinfo and the
2790// b64 headers for libb64 embedded in musl libc.
2791cc_genrule {
2792    name: "libc_musl_sysroot_bionic_headers",
2793    visibility: ["//external/musl"],
2794    host_supported: true,
2795    device_supported: false,
2796    enabled: false,
2797    target: {
2798        musl: {
2799            enabled: true,
2800        },
2801    },
2802    srcs: [
2803        "kernel/uapi/**/*.h",
2804        "kernel/android/**/*.h",
2805        "execinfo/include/**/*.h",
2806        "b64/include/**/*.h",
2807
2808        "NOTICE",
2809
2810        ":libc_musl_sysroot_bionic_arch_headers",
2811    ],
2812    out: ["libc_musl_sysroot_bionic_headers.zip"],
2813    tools: [
2814        "soong_zip",
2815        "merge_zips",
2816        "zip2zip",
2817    ],
2818    cmd: "BIONIC_LIBC_DIR=$$(dirname $(location NOTICE)) && " +
2819        "$(location soong_zip) -o $(genDir)/sysroot.zip -symlinks=false" +
2820        // NOTICE
2821        " -j -f $(location NOTICE) " +
2822        // headers
2823        " -P include " +
2824        "  -C $${BIONIC_LIBC_DIR}/kernel/uapi " +
2825        "  -D $${BIONIC_LIBC_DIR}/kernel/uapi " +
2826        "  -C $${BIONIC_LIBC_DIR}/kernel/android/scsi " +
2827        "  -D $${BIONIC_LIBC_DIR}/kernel/android/scsi " +
2828        "  -C $${BIONIC_LIBC_DIR}/kernel/android/uapi " +
2829        "  -D $${BIONIC_LIBC_DIR}/kernel/android/uapi " +
2830        "  -C $${BIONIC_LIBC_DIR}/execinfo/include " +
2831        "  -D $${BIONIC_LIBC_DIR}/execinfo/include " +
2832        "  -C $${BIONIC_LIBC_DIR}/b64/include " +
2833        "  -D $${BIONIC_LIBC_DIR}/b64/include " +
2834        " && " +
2835        "$(location zip2zip) -i $(genDir)/sysroot.zip -o $(genDir)/sysroot-renamed.zip " +
2836        " -x **/BUILD " +
2837        " include/**/*:include/ " +
2838        " NOTICE:NOTICE.bionic " +
2839        " && " +
2840        "$(location merge_zips) $(out) $(location :libc_musl_sysroot_bionic_arch_headers) $(genDir)/sysroot-renamed.zip",
2841}
2842
2843// The architecture-specific bits have to be handled separately because the label varies based
2844// on architecture, which prevents using $(locations) to find them and requires using $(in)
2845// instead, which would mix in all the other files if this were part of the main libc_musl_sysroot
2846// genrule.
2847cc_genrule {
2848    name: "libc_musl_sysroot_bionic_arch_headers",
2849    visibility: ["//visibility:private"],
2850    host_supported: true,
2851    device_supported: false,
2852    enabled: false,
2853    target: {
2854        musl: {
2855            enabled: true,
2856        },
2857    },
2858    arch: {
2859        arm: {
2860            srcs: ["kernel/uapi/asm-arm/**/*.h"],
2861        },
2862        arm64: {
2863            srcs: ["kernel/uapi/asm-arm64/**/*.h"],
2864        },
2865        x86: {
2866            srcs: ["kernel/uapi/asm-x86/**/*.h"],
2867        },
2868        x86_64: {
2869            srcs: ["kernel/uapi/asm-x86/**/*.h"],
2870        },
2871    },
2872    out: ["libc_musl_sysroot_bionic_arch_headers.zip"],
2873    tools: ["soong_zip"],
2874    cmd: "includes=($(in)) && $(location soong_zip) -o $(out) -P include/asm -j -D $$(dirname $${includes[0]})",
2875}
2876
2877cc_genrule {
2878    name: "bionic_sysroot_crt_objects",
2879    visibility: ["//visibility:private"],
2880    out: ["bionic_sysroot_crt_objects.zip"],
2881    tools: ["soong_zip"],
2882    srcs: [
2883        ":crtbegin_dynamic",
2884        ":crtbegin_so",
2885        ":crtbegin_static",
2886        ":crtend_android",
2887        ":crtend_so",
2888    ],
2889    cmd: "$(location soong_zip) -o $(out) -j " +
2890        "-f $(location :crtbegin_dynamic) " +
2891        "-f $(location :crtbegin_so) " +
2892        "-f $(location :crtbegin_static) " +
2893        "-f $(location :crtend_android) " +
2894        "-f $(location :crtend_so)",
2895    dist: {
2896        targets: ["bionic_sysroot_crt_objects"],
2897    },
2898    arch: {
2899        arm: {
2900            dist: {
2901                suffix: "_arm",
2902            },
2903        },
2904        arm64: {
2905            dist: {
2906                suffix: "_arm64",
2907            },
2908        },
2909        riscv64: {
2910            dist: {
2911                suffix: "_riscv64",
2912            },
2913        },
2914        x86: {
2915            dist: {
2916                suffix: "_x86",
2917            },
2918        },
2919        x86_64: {
2920            dist: {
2921                suffix: "_x86_64",
2922            },
2923        },
2924    },
2925}
2926
2927filegroup {
2928    name: "linux_capability_header",
2929    srcs: ["kernel/uapi/linux/capability.h"],
2930}
2931