ld/testsuite/ld-i386/tlsbindesc.s

   1         /* Force .got aligned to 4K, so it very likely gets at 0x804a100
   2            (0x60 bytes .tdata and 0xa0 bytes .dynamic)  */
   3         .section ".tdata", "awT", @progbits
   4         .balign 4096
   5         .globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8
   6         .globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
   7         .hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
   8 sg1:    .long 17
   9 sg2:    .long 18
  10 sg3:    .long 19
  11 sg4:    .long 20
  12 sg5:    .long 21
  13 sg6:    .long 22
  14 sg7:    .long 23
  15 sg8:    .long 24
  16 sl1:    .long 65
  17 sl2:    .long 66
  18 sl3:    .long 67
  19 sl4:    .long 68
  20 sl5:    .long 69
  21 sl6:    .long 70
  22 sl7:    .long 71
  23 sl8:    .long 72
  24 sh1:    .long 257
  25 sh2:    .long 258
  26 sh3:    .long 259
  27 sh4:    .long 260
  28 sh5:    .long 261
  29 sh6:    .long 262
  30 sh7:    .long 263
  31 sh8:    .long 264
  32         /* Force .text aligned to 4K, so it very likely gets at 0x8049000.  */
  33         .text
  34         .balign 4096
  35         .globl  fn2
  36         .type   fn2,@function
  37 fn2:
  38         pushl   %ebp
  39         movl    %esp, %ebp
  40         pushl   %ebx
  41         pushl   %eax
  42         call    1f
  43 1:      popl    %ebx
  44         addl    $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
  45         nop;nop;nop;nop
  46
  47         /* GD -> IE because variable is not defined in executable */
  48         leal    sG1@tlsdesc(%ebx), %eax
  49         call    *sG1@tlscall(%eax)
  50         nop;nop;nop;nop
  51
  52         /* GD -> IE because variable is not defined in executable where
  53            the variable is referenced through @gottpoff too */
  54         leal    sG2@tlsdesc(%ebx), %eax
  55         call    *sG2@tlscall(%eax)
  56         nop;nop;nop;nop
  57
  58         /* GD -> IE because variable is not defined in executable where
  59            the variable is referenced through @gotntpoff too */
  60         leal    sG3@tlsdesc(%ebx), %eax
  61         call    *sG3@tlscall(%eax)
  62         nop;nop;nop;nop
  63
  64         /* GD -> IE because variable is not defined in executable where
  65            the variable is referenced through @gottpoff and @gotntpoff too */
  66         leal    sG4@tlsdesc(%ebx), %eax
  67         call    *sG4@tlscall(%eax)
  68         nop;nop;nop;nop
  69
  70         /* GD -> LE with global variable defined in executable */
  71         leal    sg1@tlsdesc(%ebx), %eax
  72         call    *sg1@tlscall(%eax)
  73         nop;nop;nop;nop
  74
  75         /* GD -> LE with local variable defined in executable */
  76         leal    sl1@tlsdesc(%ebx), %eax
  77         call    *sl1@tlscall(%eax)
  78         nop;nop;nop;nop
  79
  80         /* GD -> LE with hidden variable defined in executable */
  81         leal    sh1@tlsdesc(%ebx), %eax
  82         call    *sh1@tlscall(%eax)
  83         nop;nop;nop;nop
  84
  85         /* LD -> LE */
  86         leal    _TLS_MODULE_BASE_@tlsdesc(%ebx), %eax
  87         call    *_TLS_MODULE_BASE_@tlscall(%eax)
  88         nop;nop
  89         leal    sl1@dtpoff(%eax), %edx
  90         nop;nop
  91         leal    sl2@dtpoff(%eax), %ecx
  92         nop;nop;nop;nop
  93
  94         /* LD -> LE against hidden variables */
  95         leal    _TLS_MODULE_BASE_@tlsdesc(%ebx), %eax
  96         call    *_TLS_MODULE_BASE_@tlscall(%eax)
  97         nop;nop
  98         leal    sh1@dtpoff(%eax), %edx
  99         nop;nop
 100         leal    sh2@dtpoff(%eax), %ecx
 101         nop;nop;nop;nop
 102
 103         /* @gottpoff IE against global var  */
 104         movl    %gs:0, %ecx
 105         nop;nop
 106         subl    sG2@gottpoff(%ebx), %ecx
 107         nop;nop;nop;nop
 108
 109         /* @gottpoff IE against global var  */
 110         movl    %gs:0, %eax
 111         nop;nop
 112         subl    sG4@gottpoff(%ebx), %eax
 113         nop;nop;nop;nop
 114
 115         /* @gotntpoff IE against global var  */
 116         movl    %gs:0, %ecx
 117         nop;nop
 118         addl    sG3@gotntpoff(%ebx), %ecx
 119         nop;nop;nop;nop
 120
 121         /* @gotntpoff IE against global var  */
 122         movl    %gs:0, %eax
 123         nop;nop
 124         addl    sG4@gotntpoff(%ebx), %eax
 125         nop;nop;nop;nop
 126
 127         /* @gottpoff IE -> LE against global var defined in exec */
 128         movl    %gs:0, %ecx
 129         nop;nop
 130         subl    sg1@gottpoff(%ebx), %ecx
 131         nop;nop;nop;nop
 132
 133         /* @gotntpoff IE -> LE against local var */
 134         movl    %gs:0, %ecx
 135         nop;nop
 136         addl    sl1@gotntpoff(%ebx), %eax
 137         nop;nop;nop;nop
 138
 139         /* @gottpoff IE -> LE against hidden var */
 140         movl    %gs:0, %ecx
 141         nop;nop
 142         subl    sh1@gottpoff(%ebx), %ecx
 143         nop;nop;nop;nop
 144
 145         /* Direct access through %gs  */
 146
 147         /* @gotntpoff IE against global var  */
 148         movl    sG5@gotntpoff(%ebx), %ecx
 149         nop;nop
 150         movl    %gs:(%ecx), %edx
 151         nop;nop;nop;nop
 152
 153         /* @gotntpoff IE->LE against local var  */
 154         movl    sl5@gotntpoff(%ebx), %eax
 155         nop;nop
 156         movl    %gs:(%eax), %edx
 157         nop;nop;nop;nop
 158
 159         /* @gotntpoff IE->LE against hidden var  */
 160         movl    sh5@gotntpoff(%ebx), %edx
 161         nop;nop
 162         movl    %gs:(%edx), %edx
 163         nop;nop;nop;nop
 164
 165         movl    -4(%ebp), %ebx
 166         leave
 167         ret