toolchain/binutils/ld/testsuite/ld-i386/tlsbinpic.s

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