gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.S

   1 /*
   2    Copyright 2013-2014 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17         /* The FDE entry for "stop_frame" in the .debug_frame section has
  18         been hand modified to mark the return address (rip) as undefined.
  19         Otherwise this file is as generated by gcc 4.7.2 for x86_64.  */
  20         .file   "dw2-undefined-ret-addr.c"
  21         .text
  22 .Ltext0:
  23         .globl  stop_frame
  24         .type   stop_frame, @function
  25 stop_frame:
  26 .LFB0:
  27         .file 1 "dw2-undefined-ret-addr.c"
  28         .loc 1 19 0
  29         pushq   %rbp
  30 .LCFI0:
  31         movq    %rsp, %rbp
  32 .LCFI1:
  33         .loc 1 22 0
  34         popq    %rbp
  35 .LCFI2:
  36         ret
  37 .LFE0:
  38         .size   stop_frame, .-stop_frame
  39         .globl  first_frame
  40         .type   first_frame, @function
  41 first_frame:
  42 .LFB1:
  43         .loc 1 26 0
  44         pushq   %rbp
  45 .LCFI3:
  46         movq    %rsp, %rbp
  47 .LCFI4:
  48         .loc 1 27 0
  49         movl    $0, %eax
  50         call    stop_frame
  51         .loc 1 28 0
  52         popq    %rbp
  53 .LCFI5:
  54         ret
  55 .LFE1:
  56         .size   first_frame, .-first_frame
  57         .globl  main
  58         .type   main, @function
  59 main:
  60 .LFB2:
  61         .loc 1 32 0
  62         pushq   %rbp
  63 .LCFI6:
  64         movq    %rsp, %rbp
  65 .LCFI7:
  66         .loc 1 33 0
  67         movl    $0, %eax
  68         call    first_frame
  69         .loc 1 35 0
  70         movl    $0, %eax
  71         .loc 1 36 0
  72         popq    %rbp
  73 .LCFI8:
  74         ret
  75 .LFE2:
  76         .size   main, .-main
  77         .section        .debug_frame,"",@progbits
  78 .Lframe0:
  79         .long   .LECIE0-.LSCIE0
  80 .LSCIE0:
  81         .long   0xffffffff
  82         .byte   0x1
  83         .string ""
  84         .uleb128 0x1
  85         .sleb128 -8
  86         .byte   0x10
  87         .byte   0xc
  88         .uleb128 0x7
  89         .uleb128 0x8
  90         .byte   0x90
  91         .uleb128 0x1
  92         .align 8
  93 .LECIE0:
  94         /* This FDE entry, for stop_frame was modified to mark
  95            registers 0 -> 6 as being undefined.  */
  96 .LSFDE0:
  97         .long   .LEFDE0-.LASFDE0
  98 .LASFDE0:
  99         .long   .Lframe0
 100         .quad   .LFB0
 101         .quad   .LFE0-.LFB0
 102
 103                 /* START OF NEW CONTENT.  */
 104         .byte   0x7                     /* DW_CFA_undefined */
 105         .uleb128 0x10                   /*   ULEB128 register */
 106                 /* END OF NEW CONTENT.  */
 107
 108         .byte   0x4
 109         .long   .LCFI0-.LFB0
 110         .byte   0xe
 111         .uleb128 0x10
 112         .byte   0x86
 113         .uleb128 0x2
 114         .byte   0x4
 115         .long   .LCFI1-.LCFI0
 116         .byte   0xd
 117         .uleb128 0x6
 118         .byte   0x4
 119         .long   .LCFI2-.LCFI1
 120         .byte   0xc
 121         .uleb128 0x7
 122         .uleb128 0x8
 123         .align 8
 124 .LEFDE0:
 125 .LSFDE2:
 126         .long   .LEFDE2-.LASFDE2
 127 .LASFDE2:
 128         .long   .Lframe0
 129         .quad   .LFB1
 130         .quad   .LFE1-.LFB1
 131         .byte   0x4
 132         .long   .LCFI3-.LFB1
 133         .byte   0xe
 134         .uleb128 0x10
 135         .byte   0x86
 136         .uleb128 0x2
 137         .byte   0x4
 138         .long   .LCFI4-.LCFI3
 139         .byte   0xd
 140         .uleb128 0x6
 141         .byte   0x4
 142         .long   .LCFI5-.LCFI4
 143         .byte   0xc
 144         .uleb128 0x7
 145         .uleb128 0x8
 146         .align 8
 147 .LEFDE2:
 148 .LSFDE4:
 149         .long   .LEFDE4-.LASFDE4
 150 .LASFDE4:
 151         .long   .Lframe0
 152         .quad   .LFB2
 153         .quad   .LFE2-.LFB2
 154         .byte   0x4
 155         .long   .LCFI6-.LFB2
 156         .byte   0xe
 157         .uleb128 0x10
 158         .byte   0x86
 159         .uleb128 0x2
 160         .byte   0x4
 161         .long   .LCFI7-.LCFI6
 162         .byte   0xd
 163         .uleb128 0x6
 164         .byte   0x4
 165         .long   .LCFI8-.LCFI7
 166         .byte   0xc
 167         .uleb128 0x7
 168         .uleb128 0x8
 169         .align 8
 170 .LEFDE4:
 171         .section        .eh_frame,"a",@progbits
 172 .Lframe1:
 173         .long   .LECIE1-.LSCIE1
 174 .LSCIE1:
 175         .long   0
 176         .byte   0x1
 177         .string "zR"
 178         .uleb128 0x1
 179         .sleb128 -8
 180         .byte   0x10
 181         .uleb128 0x1
 182         .byte   0x3
 183         .byte   0xc
 184         .uleb128 0x7
 185         .uleb128 0x8
 186         .byte   0x90
 187         .uleb128 0x1
 188         .align 8
 189 .LECIE1:
 190 .LSFDE7:
 191         .long   .LEFDE7-.LASFDE7
 192 .LASFDE7:
 193         .long   .LASFDE7-.Lframe1
 194         .long   .LFB0
 195         .long   .LFE0-.LFB0
 196         .uleb128 0
 197         .byte   0x4
 198         .long   .LCFI0-.LFB0
 199         .byte   0xe
 200         .uleb128 0x10
 201         .byte   0x86
 202         .uleb128 0x2
 203         .byte   0x4
 204         .long   .LCFI1-.LCFI0
 205         .byte   0xd
 206         .uleb128 0x6
 207         .byte   0x4
 208         .long   .LCFI2-.LCFI1
 209         .byte   0xc
 210         .uleb128 0x7
 211         .uleb128 0x8
 212         .align 8
 213 .LEFDE7:
 214 .LSFDE9:
 215         .long   .LEFDE9-.LASFDE9
 216 .LASFDE9:
 217         .long   .LASFDE9-.Lframe1
 218         .long   .LFB1
 219         .long   .LFE1-.LFB1
 220         .uleb128 0
 221         .byte   0x4
 222         .long   .LCFI3-.LFB1
 223         .byte   0xe
 224         .uleb128 0x10
 225         .byte   0x86
 226         .uleb128 0x2
 227         .byte   0x4
 228         .long   .LCFI4-.LCFI3
 229         .byte   0xd
 230         .uleb128 0x6
 231         .byte   0x4
 232         .long   .LCFI5-.LCFI4
 233         .byte   0xc
 234         .uleb128 0x7
 235         .uleb128 0x8
 236         .align 8
 237 .LEFDE9:
 238 .LSFDE11:
 239         .long   .LEFDE11-.LASFDE11
 240 .LASFDE11:
 241         .long   .LASFDE11-.Lframe1
 242         .long   .LFB2
 243         .long   .LFE2-.LFB2
 244         .uleb128 0
 245         .byte   0x4
 246         .long   .LCFI6-.LFB2
 247         .byte   0xe
 248         .uleb128 0x10
 249         .byte   0x86
 250         .uleb128 0x2
 251         .byte   0x4
 252         .long   .LCFI7-.LCFI6
 253         .byte   0xd
 254         .uleb128 0x6
 255         .byte   0x4
 256         .long   .LCFI8-.LCFI7
 257         .byte   0xc
 258         .uleb128 0x7
 259         .uleb128 0x8
 260         .align 8
 261 .LEFDE11:
 262         .text
 263 .Letext0:
 264         .section        .debug_info,"",@progbits
 265 .Ldebug_info0:
 266         .long   0x8c
 267         .value  0x2
 268         .long   .Ldebug_abbrev0
 269         .byte   0x8
 270         .uleb128 0x1
 271         .long   .LASF2
 272         .byte   0x1
 273         .long   .LASF3
 274         .long   .LASF4
 275         .quad   .Ltext0
 276         .quad   .Letext0
 277         .long   .Ldebug_line0
 278         .uleb128 0x2
 279         .byte   0x1
 280         .long   .LASF0
 281         .byte   0x1
 282         .byte   0x12
 283         .quad   .LFB0
 284         .quad   .LFE0
 285         .long   .LLST0
 286         .byte   0x1
 287         .uleb128 0x3
 288         .byte   0x1
 289         .long   .LASF1
 290         .byte   0x1
 291         .byte   0x19
 292         .quad   .LFB1
 293         .quad   .LFE1
 294         .long   .LLST1
 295         .byte   0x1
 296         .uleb128 0x4
 297         .byte   0x1
 298         .long   .LASF5
 299         .byte   0x1
 300         .byte   0x1f
 301         .long   0x88
 302         .quad   .LFB2
 303         .quad   .LFE2
 304         .long   .LLST2
 305         .byte   0x1
 306         .uleb128 0x5
 307         .byte   0x4
 308         .byte   0x5
 309         .string "int"
 310         .byte   0
 311         .section        .debug_abbrev,"",@progbits
 312 .Ldebug_abbrev0:
 313         .uleb128 0x1
 314         .uleb128 0x11
 315         .byte   0x1
 316         .uleb128 0x25
 317         .uleb128 0xe
 318         .uleb128 0x13
 319         .uleb128 0xb
 320         .uleb128 0x3
 321         .uleb128 0xe
 322         .uleb128 0x1b
 323         .uleb128 0xe
 324         .uleb128 0x11
 325         .uleb128 0x1
 326         .uleb128 0x12
 327         .uleb128 0x1
 328         .uleb128 0x10
 329         .uleb128 0x6
 330         .byte   0
 331         .byte   0
 332         .uleb128 0x2
 333         .uleb128 0x2e
 334         .byte   0
 335         .uleb128 0x3f
 336         .uleb128 0xc
 337         .uleb128 0x3
 338         .uleb128 0xe
 339         .uleb128 0x3a
 340         .uleb128 0xb
 341         .uleb128 0x3b
 342         .uleb128 0xb
 343         .uleb128 0x11
 344         .uleb128 0x1
 345         .uleb128 0x12
 346         .uleb128 0x1
 347         .uleb128 0x40
 348         .uleb128 0x6
 349         .uleb128 0x2117
 350         .uleb128 0xc
 351         .byte   0
 352         .byte   0
 353         .uleb128 0x3
 354         .uleb128 0x2e
 355         .byte   0
 356         .uleb128 0x3f
 357         .uleb128 0xc
 358         .uleb128 0x3
 359         .uleb128 0xe
 360         .uleb128 0x3a
 361         .uleb128 0xb
 362         .uleb128 0x3b
 363         .uleb128 0xb
 364         .uleb128 0x11
 365         .uleb128 0x1
 366         .uleb128 0x12
 367         .uleb128 0x1
 368         .uleb128 0x40
 369         .uleb128 0x6
 370         .uleb128 0x2116
 371         .uleb128 0xc
 372         .byte   0
 373         .byte   0
 374         .uleb128 0x4
 375         .uleb128 0x2e
 376         .byte   0
 377         .uleb128 0x3f
 378         .uleb128 0xc
 379         .uleb128 0x3
 380         .uleb128 0xe
 381         .uleb128 0x3a
 382         .uleb128 0xb
 383         .uleb128 0x3b
 384         .uleb128 0xb
 385         .uleb128 0x49
 386         .uleb128 0x13
 387         .uleb128 0x11
 388         .uleb128 0x1
 389         .uleb128 0x12
 390         .uleb128 0x1
 391         .uleb128 0x40
 392         .uleb128 0x6
 393         .uleb128 0x2116
 394         .uleb128 0xc
 395         .byte   0
 396         .byte   0
 397         .uleb128 0x5
 398         .uleb128 0x24
 399         .byte   0
 400         .uleb128 0xb
 401         .uleb128 0xb
 402         .uleb128 0x3e
 403         .uleb128 0xb
 404         .uleb128 0x3
 405         .uleb128 0x8
 406         .byte   0
 407         .byte   0
 408         .byte   0
 409         .section        .debug_loc,"",@progbits
 410 .Ldebug_loc0:
 411 .LLST0:
 412         .quad   .LFB0-.Ltext0
 413         .quad   .LCFI0-.Ltext0
 414         .value  0x2
 415         .byte   0x77
 416         .sleb128 8
 417         .quad   .LCFI0-.Ltext0
 418         .quad   .LCFI1-.Ltext0
 419         .value  0x2
 420         .byte   0x77
 421         .sleb128 16
 422         .quad   .LCFI1-.Ltext0
 423         .quad   .LCFI2-.Ltext0
 424         .value  0x2
 425         .byte   0x76
 426         .sleb128 16
 427         .quad   .LCFI2-.Ltext0
 428         .quad   .LFE0-.Ltext0
 429         .value  0x2
 430         .byte   0x77
 431         .sleb128 8
 432         .quad   0
 433         .quad   0
 434 .LLST1:
 435         .quad   .LFB1-.Ltext0
 436         .quad   .LCFI3-.Ltext0
 437         .value  0x2
 438         .byte   0x77
 439         .sleb128 8
 440         .quad   .LCFI3-.Ltext0
 441         .quad   .LCFI4-.Ltext0
 442         .value  0x2
 443         .byte   0x77
 444         .sleb128 16
 445         .quad   .LCFI4-.Ltext0
 446         .quad   .LCFI5-.Ltext0
 447         .value  0x2
 448         .byte   0x76
 449         .sleb128 16
 450         .quad   .LCFI5-.Ltext0
 451         .quad   .LFE1-.Ltext0
 452         .value  0x2
 453         .byte   0x77
 454         .sleb128 8
 455         .quad   0
 456         .quad   0
 457 .LLST2:
 458         .quad   .LFB2-.Ltext0
 459         .quad   .LCFI6-.Ltext0
 460         .value  0x2
 461         .byte   0x77
 462         .sleb128 8
 463         .quad   .LCFI6-.Ltext0
 464         .quad   .LCFI7-.Ltext0
 465         .value  0x2
 466         .byte   0x77
 467         .sleb128 16
 468         .quad   .LCFI7-.Ltext0
 469         .quad   .LCFI8-.Ltext0
 470         .value  0x2
 471         .byte   0x76
 472         .sleb128 16
 473         .quad   .LCFI8-.Ltext0
 474         .quad   .LFE2-.Ltext0
 475         .value  0x2
 476         .byte   0x77
 477         .sleb128 8
 478         .quad   0
 479         .quad   0
 480         .section        .debug_aranges,"",@progbits
 481         .long   0x2c
 482         .value  0x2
 483         .long   .Ldebug_info0
 484         .byte   0x8
 485         .byte   0
 486         .value  0
 487         .value  0
 488         .quad   .Ltext0
 489         .quad   .Letext0-.Ltext0
 490         .quad   0
 491         .quad   0
 492         .section        .debug_line,"",@progbits
 493 .Ldebug_line0:
 494         .section        .debug_str,"MS",@progbits,1
 495 .LASF0:
 496         .string "stop_frame"
 497 .LASF3:
 498         .string "dw2-undefined-ret-addr.c"
 499 .LASF2:
 500         .string "GNU C 4.7.2"
 501 .LASF1:
 502         .string "first_frame"
 503 .LASF5:
 504         .string "main"
 505 .LASF4:
 506         .string "/home/username/src/gdb/testsuite/gdb.dwarf2"
 507         .ident  "GCC: (GNU) 4.7.2"
 508         .section        .note.GNU-stack,"",@progbits