lld/test/ELF/Inputs/aarch64-memtag-globals.s

   1 #--- input_1.s
   2 ## Generated with:
   3 ##
   4 ##  - clang <input_file.c> -fsanitize=memtag-globals -O2 -S -fPIC -o - \
   5 ##          --target=aarch64-linux-android31 -fno-asynchronous-unwind-tables
   6 ##
   7 ## <input_file.c> contents:
   8 ##
   9 ##    /// Global variables defined here, of various semantics.
  10 ##    char global[30] = {};
  11 ##    __attribute__((no_sanitize("memtag"))) int global_untagged = 0;
  12 ##    const int const_global = 0;
  13 ##    static const int hidden_const_global = 0;
  14 ##    static char hidden_global[12] = {};
  15 ##    __attribute__((visibility("hidden"))) int hidden_attr_global = 0;
  16 ##    __attribute__((visibility("hidden"))) const int hidden_attr_const_global = 0;
  17 ##
  18 ##    /// Should be untagged.
  19 ##    __thread int tls_global;
  20 ##    __thread static int hidden_tls_global;
  21 ##
  22 ##    /// Tagged, from the other file.
  23 ##    extern int global_extern;
  24 ##    /// Untagged, from the other file.
  25 ##    extern __attribute__((no_sanitize("memtag"))) int global_extern_untagged;
  26 ##    /// Tagged, but from a different DSO (i.e. not this or the sister objfile).
  27 ##    extern int global_extern_outside_this_dso;
  28 ##    /// Tagged here (because it's non-const), but untagged in the definition found
  29 ##    /// in the sister objfile as it's marked as const there.
  30 ##    extern int global_extern_const_definition_but_nonconst_import;
  31 ##    /// Tagged here, but untagged in the definition found in the sister objfile
  32 ##    /// (explicitly).
  33 ##    extern int global_extern_untagged_definition_but_tagged_import;
  34 ##
  35 ##    /// ABS64 relocations. Also, forces symtab entries for local and external
  36 ##    /// globals.
  37 ##    char *pointer_to_global = &global[0];
  38 ##    char *pointer_inside_global = &global[17];
  39 ##    char *pointer_to_global_end = &global[30];
  40 ##    char *pointer_past_global_end = &global[48];
  41 ##    int *pointer_to_global_untagged = &global_untagged;
  42 ##    const int *pointer_to_const_global = &const_global;
  43 ##    /// RELATIVE relocations.
  44 ##    const int *pointer_to_hidden_const_global = &hidden_const_global;
  45 ##    char *pointer_to_hidden_global = &hidden_global[0];
  46 ##    const int *pointer_to_hidden_attr_global = &hidden_attr_global;
  47 ##    const int *pointer_to_hidden_attr_const_global = &hidden_attr_const_global;
  48 ##    /// RELATIVE relocations with special AArch64 MemtagABI semantics, with the
  49 ##    /// offset ('12' or '16') encoded in the place.
  50 ##    char *pointer_to_hidden_global_end = &hidden_global[12];
  51 ##    char *pointer_past_hidden_global_end = &hidden_global[16];
  52 ##    /// ABS64 relocations.
  53 ##    int *pointer_to_global_extern = &global_extern;
  54 ##    int *pointer_to_global_extern_untagged = &global_extern_untagged;
  55 ##    int *pointer_to_global_extern_outside_this_dso = &global_extern_outside_this_dso;
  56 ##    int *pointer_to_global_extern_const_definition_but_nonconst_import =
  57 ##        &global_extern_const_definition_but_nonconst_import;
  58 ##    int *pointer_to_global_extern_untagged_definition_but_tagged_import =
  59 ##        &global_extern_untagged_definition_but_tagged_import;
  60 ##
  61 ##    int *get_address_to_tls_global() { return &tls_global; }
  62 ##    int *get_address_to_hidden_tls_global() { return &hidden_tls_global; }
  63
  64         .text
  65         .file   "a.c"
  66         .globl  get_address_to_tls_global       // -- Begin function get_address_to_tls_global
  67         .p2align        2
  68         .type   get_address_to_tls_global,@function
  69 get_address_to_tls_global:              // @get_address_to_tls_global
  70 // %bb.0:                               // %entry
  71         stp     x29, x30, [sp, #-16]!           // 16-byte Folded Spill
  72         mov     x29, sp
  73         adrp    x0, :tlsdesc:tls_global
  74         ldr     x1, [x0, :tlsdesc_lo12:tls_global]
  75         add     x0, x0, :tlsdesc_lo12:tls_global
  76         .tlsdesccall tls_global
  77         blr     x1
  78         mrs     x8, TPIDR_EL0
  79         add     x0, x8, x0
  80         ldp     x29, x30, [sp], #16             // 16-byte Folded Reload
  81         ret
  82 .Lfunc_end0:
  83         .size   get_address_to_tls_global, .Lfunc_end0-get_address_to_tls_global
  84                                         // -- End function
  85         .globl  get_address_to_hidden_tls_global // -- Begin function get_address_to_hidden_tls_global
  86         .p2align        2
  87         .type   get_address_to_hidden_tls_global,@function
  88 get_address_to_hidden_tls_global:       // @get_address_to_hidden_tls_global
  89 // %bb.0:                               // %entry
  90         stp     x29, x30, [sp, #-16]!           // 16-byte Folded Spill
  91         mov     x29, sp
  92         adrp    x0, :tlsdesc:hidden_tls_global
  93         ldr     x1, [x0, :tlsdesc_lo12:hidden_tls_global]
  94         add     x0, x0, :tlsdesc_lo12:hidden_tls_global
  95         .tlsdesccall hidden_tls_global
  96         blr     x1
  97         mrs     x8, TPIDR_EL0
  98         add     x0, x8, x0
  99         ldp     x29, x30, [sp], #16             // 16-byte Folded Reload
 100         ret
 101 .Lfunc_end1:
 102         .size   get_address_to_hidden_tls_global, .Lfunc_end1-get_address_to_hidden_tls_global
 103                                         // -- End function
 104         .memtag global                          // @global
 105         .type   global,@object
 106         .bss
 107         .globl  global
 108         .p2align        4, 0x0
 109 global:
 110         .zero   32
 111         .size   global, 32
 112
 113         .type   global_untagged,@object         // @global_untagged
 114         .globl  global_untagged
 115         .p2align        2, 0x0
 116 global_untagged:
 117         .word   0                               // 0x0
 118         .size   global_untagged, 4
 119
 120         .type   const_global,@object            // @const_global
 121         .section        .rodata,"a",@progbits
 122         .globl  const_global
 123         .p2align        2, 0x0
 124 const_global:
 125         .word   0                               // 0x0
 126         .size   const_global, 4
 127
 128         .hidden hidden_attr_global              // @hidden_attr_global
 129         .memtag hidden_attr_global
 130         .type   hidden_attr_global,@object
 131         .bss
 132         .globl  hidden_attr_global
 133         .p2align        4, 0x0
 134 hidden_attr_global:
 135         .zero   16
 136         .size   hidden_attr_global, 16
 137
 138         .hidden hidden_attr_const_global        // @hidden_attr_const_global
 139         .type   hidden_attr_const_global,@object
 140         .section        .rodata,"a",@progbits
 141         .globl  hidden_attr_const_global
 142         .p2align        2, 0x0
 143 hidden_attr_const_global:
 144         .word   0                               // 0x0
 145         .size   hidden_attr_const_global, 4
 146
 147         .memtag pointer_to_global               // @pointer_to_global
 148         .type   pointer_to_global,@object
 149         .data
 150         .globl  pointer_to_global
 151         .p2align        4, 0x0
 152 pointer_to_global:
 153         .xword  global
 154         .zero   8
 155         .size   pointer_to_global, 16
 156
 157         .memtag pointer_inside_global           // @pointer_inside_global
 158         .type   pointer_inside_global,@object
 159         .globl  pointer_inside_global
 160         .p2align        4, 0x0
 161 pointer_inside_global:
 162         .xword  global+17
 163         .zero   8
 164         .size   pointer_inside_global, 16
 165
 166         .memtag pointer_to_global_end           // @pointer_to_global_end
 167         .type   pointer_to_global_end,@object
 168         .globl  pointer_to_global_end
 169         .p2align        4, 0x0
 170 pointer_to_global_end:
 171         .xword  global+30
 172         .zero   8
 173         .size   pointer_to_global_end, 16
 174
 175         .memtag pointer_past_global_end         // @pointer_past_global_end
 176         .type   pointer_past_global_end,@object
 177         .globl  pointer_past_global_end
 178         .p2align        4, 0x0
 179 pointer_past_global_end:
 180         .xword  global+48
 181         .zero   8
 182         .size   pointer_past_global_end, 16
 183
 184         .memtag pointer_to_global_untagged      // @pointer_to_global_untagged
 185         .type   pointer_to_global_untagged,@object
 186         .globl  pointer_to_global_untagged
 187         .p2align        4, 0x0
 188 pointer_to_global_untagged:
 189         .xword  global_untagged
 190         .zero   8
 191         .size   pointer_to_global_untagged, 16
 192
 193         .memtag pointer_to_const_global         // @pointer_to_const_global
 194         .type   pointer_to_const_global,@object
 195         .globl  pointer_to_const_global
 196         .p2align        4, 0x0
 197 pointer_to_const_global:
 198         .xword  const_global
 199         .zero   8
 200         .size   pointer_to_const_global, 16
 201
 202         .type   hidden_const_global,@object     // @hidden_const_global
 203         .section        .rodata,"a",@progbits
 204         .p2align        2, 0x0
 205 hidden_const_global:
 206         .word   0                               // 0x0
 207         .size   hidden_const_global, 4
 208
 209         .memtag pointer_to_hidden_const_global  // @pointer_to_hidden_const_global
 210         .type   pointer_to_hidden_const_global,@object
 211         .data
 212         .globl  pointer_to_hidden_const_global
 213         .p2align        4, 0x0
 214 pointer_to_hidden_const_global:
 215         .xword  hidden_const_global
 216         .zero   8
 217         .size   pointer_to_hidden_const_global, 16
 218
 219         .memtag hidden_global                   // @hidden_global
 220         .type   hidden_global,@object
 221         .local  hidden_global
 222         .comm   hidden_global,16,16
 223         .memtag pointer_to_hidden_global        // @pointer_to_hidden_global
 224         .type   pointer_to_hidden_global,@object
 225         .globl  pointer_to_hidden_global
 226         .p2align        4, 0x0
 227 pointer_to_hidden_global:
 228         .xword  hidden_global
 229         .zero   8
 230         .size   pointer_to_hidden_global, 16
 231
 232         .memtag pointer_to_hidden_attr_global   // @pointer_to_hidden_attr_global
 233         .type   pointer_to_hidden_attr_global,@object
 234         .globl  pointer_to_hidden_attr_global
 235         .p2align        4, 0x0
 236 pointer_to_hidden_attr_global:
 237         .xword  hidden_attr_global
 238         .zero   8
 239         .size   pointer_to_hidden_attr_global, 16
 240
 241         .memtag pointer_to_hidden_attr_const_global // @pointer_to_hidden_attr_const_global
 242         .type   pointer_to_hidden_attr_const_global,@object
 243         .globl  pointer_to_hidden_attr_const_global
 244         .p2align        4, 0x0
 245 pointer_to_hidden_attr_const_global:
 246         .xword  hidden_attr_const_global
 247         .zero   8
 248         .size   pointer_to_hidden_attr_const_global, 16
 249
 250         .memtag pointer_to_hidden_global_end    // @pointer_to_hidden_global_end
 251         .type   pointer_to_hidden_global_end,@object
 252         .globl  pointer_to_hidden_global_end
 253         .p2align        4, 0x0
 254 pointer_to_hidden_global_end:
 255         .xword  hidden_global+12
 256         .zero   8
 257         .size   pointer_to_hidden_global_end, 16
 258
 259         .memtag pointer_past_hidden_global_end  // @pointer_past_hidden_global_end
 260         .type   pointer_past_hidden_global_end,@object
 261         .globl  pointer_past_hidden_global_end
 262         .p2align        4, 0x0
 263 pointer_past_hidden_global_end:
 264         .xword  hidden_global+16
 265         .zero   8
 266         .size   pointer_past_hidden_global_end, 16
 267
 268         .memtag global_extern
 269         .memtag pointer_to_global_extern        // @pointer_to_global_extern
 270         .type   pointer_to_global_extern,@object
 271         .globl  pointer_to_global_extern
 272         .p2align        4, 0x0
 273 pointer_to_global_extern:
 274         .xword  global_extern
 275         .zero   8
 276         .size   pointer_to_global_extern, 16
 277
 278         .memtag pointer_to_global_extern_untagged // @pointer_to_global_extern_untagged
 279         .type   pointer_to_global_extern_untagged,@object
 280         .globl  pointer_to_global_extern_untagged
 281         .p2align        4, 0x0
 282 pointer_to_global_extern_untagged:
 283         .xword  global_extern_untagged
 284         .zero   8
 285         .size   pointer_to_global_extern_untagged, 16
 286
 287         .memtag global_extern_outside_this_dso
 288         .memtag pointer_to_global_extern_outside_this_dso // @pointer_to_global_extern_outside_this_dso
 289         .type   pointer_to_global_extern_outside_this_dso,@object
 290         .globl  pointer_to_global_extern_outside_this_dso
 291         .p2align        4, 0x0
 292 pointer_to_global_extern_outside_this_dso:
 293         .xword  global_extern_outside_this_dso
 294         .zero   8
 295         .size   pointer_to_global_extern_outside_this_dso, 16
 296
 297         .memtag global_extern_const_definition_but_nonconst_import
 298         .memtag pointer_to_global_extern_const_definition_but_nonconst_import // @pointer_to_global_extern_const_definition_but_nonconst_import
 299         .type   pointer_to_global_extern_const_definition_but_nonconst_import,@object
 300         .globl  pointer_to_global_extern_const_definition_but_nonconst_import
 301         .p2align        4, 0x0
 302 pointer_to_global_extern_const_definition_but_nonconst_import:
 303         .xword  global_extern_const_definition_but_nonconst_import
 304         .zero   8
 305         .size   pointer_to_global_extern_const_definition_but_nonconst_import, 16
 306
 307         .memtag global_extern_untagged_definition_but_tagged_import
 308         .memtag pointer_to_global_extern_untagged_definition_but_tagged_import // @pointer_to_global_extern_untagged_definition_but_tagged_import
 309         .type   pointer_to_global_extern_untagged_definition_but_tagged_import,@object
 310         .globl  pointer_to_global_extern_untagged_definition_but_tagged_import
 311         .p2align        4, 0x0
 312 pointer_to_global_extern_untagged_definition_but_tagged_import:
 313         .xword  global_extern_untagged_definition_but_tagged_import
 314         .zero   8
 315         .size   pointer_to_global_extern_untagged_definition_but_tagged_import, 16
 316
 317         .type   tls_global,@object              // @tls_global
 318         .section        .tbss,"awT",@nobits
 319         .globl  tls_global
 320         .p2align        2, 0x0
 321 tls_global:
 322         .word   0                               // 0x0
 323         .size   tls_global, 4
 324
 325         .type   hidden_tls_global,@object       // @hidden_tls_global
 326         .p2align        2, 0x0
 327 hidden_tls_global:
 328         .word   0                               // 0x0
 329         .size   hidden_tls_global, 4
 330
 331         .ident  "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 6130c9df99a7a7eb9c6adc118a48f8f2acc534ab)"
 332         .section        ".note.GNU-stack","",@progbits
 333
 334 #--- input_2.s
 335 ## Generated with:
 336 ##
 337 ##  - clang <input_file.c> -fsanitize=memtag-globals -O2 -S -o - \
 338 ##          --target=aarch64-linux-android31 -fno-asynchronous-unwind-tables
 339 ##
 340 ## <input_file.c> contents:
 341 ##
 342 ##     int global_extern;
 343 ##     static int global_extern_hidden;
 344 ##     __attribute__((no_sanitize("memtag"))) int global_extern_untagged;
 345 ##     const int global_extern_const_definition_but_nonconst_import;
 346 ##     __attribute__((no_sanitize(
 347 ##         "memtag"))) int global_extern_untagged_definition_but_tagged_import;
 348 ##
 349
 350         .text
 351         .file   "b.c"
 352         .memtag global_extern
 353         .type   global_extern,@object
 354         .bss
 355         .globl  global_extern
 356         .p2align        4, 0x0
 357 global_extern:
 358         .zero   16
 359         .size   global_extern, 16
 360
 361         .type   global_extern_untagged,@object
 362         .globl  global_extern_untagged
 363         .p2align        2, 0x0
 364 global_extern_untagged:
 365         .word   0
 366         .size   global_extern_untagged, 4
 367
 368         .type   global_extern_const_definition_but_nonconst_import,@object
 369         .section        .rodata,"a",@progbits
 370         .globl  global_extern_const_definition_but_nonconst_import
 371         .p2align        2, 0x0
 372 global_extern_const_definition_but_nonconst_import:
 373         .word   0
 374         .size   global_extern_const_definition_but_nonconst_import, 4
 375
 376         .type   global_extern_untagged_definition_but_tagged_import,@object
 377         .bss
 378         .globl  global_extern_untagged_definition_but_tagged_import
 379         .p2align        2, 0x0
 380 global_extern_untagged_definition_but_tagged_import:
 381         .word   0
 382         .size   global_extern_untagged_definition_but_tagged_import, 4
 383
 384 #--- input_3.s
 385 ## Generated with:
 386 ##
 387 ##  - clang <input_file.c> -fsanitize=memtag-globals -O2 -S -o - \
 388 ##          --target=aarch64-linux-android31 -fno-asynchronous-unwind-tables
 389 ##
 390 ## <input_file.c> contents:
 391 ##
 392 ##     int global_extern_outside_this_dso;
 393 ##
 394 ##     int main() {
 395 ##       return 0;
 396 ##     }
 397
 398         .text
 399         .file   "main.c"
 400         .globl  main                            // -- Begin function main
 401         .p2align        2
 402         .type   main,@function
 403 main:                                   // @main
 404 // %bb.0:                               // %entry
 405         mov     w0, wzr
 406         ret
 407 .Lfunc_end0:
 408         .size   main, .Lfunc_end0-main
 409                                         // -- End function
 410         .memtag global_extern_outside_this_dso  // @global_extern_outside_this_dso
 411         .type   global_extern_outside_this_dso,@object
 412         .bss
 413         .globl  global_extern_outside_this_dso
 414         .p2align        4, 0x0
 415 global_extern_outside_this_dso:
 416         .zero   16
 417         .size   global_extern_outside_this_dso, 16