ld/testsuite/ld-x86-64/tlsbinpic.s

   1         /* Force .data aligned to 4K, so that .got very likely gets at
   2            0x5021a0 (0x60 bytes .tdata and 0x140 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 0x401000.  */
  34         .text
  35         .balign 4096
  36         .globl  fn2
  37         .type   fn2,@function
  38 fn2:
  39         pushq   %rbp
  40         movq    %rsp, %rbp
  41
  42         /* GD -> IE because variable is not defined in executable */
  43         .long   0x66666666
  44         leaq    sG1@tlsgd(%rip), %rdi
  45         call    __tls_get_addr@plt
  46         nop;nop;nop;nop
  47
  48         /* GD -> IE because variable is not defined in executable where
  49            the variable is referenced through IE too */
  50         .long   0x66666666
  51         leaq    sG2@tlsgd(%rip), %rdi
  52         call    __tls_get_addr@plt
  53         nop;nop;nop;nop
  54
  55         /* GD -> LE with global variable defined in executable */
  56         .long   0x66666666
  57         leaq    sg1@tlsgd(%rip), %rdi
  58         call    __tls_get_addr@plt
  59         nop;nop;nop;nop
  60
  61         /* GD -> LE with local variable defined in executable */
  62         .long   0x66666666
  63         leaq    sl1@tlsgd(%rip), %rdi
  64         call    __tls_get_addr@plt
  65         nop;nop;nop;nop
  66
  67         /* GD -> LE with hidden variable defined in executable */
  68         .long   0x66666666
  69         leaq    sh1@tlsgd(%rip), %rdi
  70         call    __tls_get_addr@plt
  71         nop;nop;nop;nop
  72
  73         /* LD */
  74         leaq    sl1@tlsld(%rip), %rdi
  75         call    __tls_get_addr@plt
  76         nop;nop
  77         leaq    1+sl1@dtpoff(%rax), %rdx
  78         nop;nop
  79         leaq    sl2@dtpoff+2(%rax), %r9
  80         nop;nop;nop;nop
  81
  82         /* LD against hidden variables */
  83         leaq    sh1@tlsld(%rip), %rdi
  84         call    __tls_get_addr@plt
  85         nop;nop
  86         leaq    sh1@dtpoff(%rax), %rdx
  87         nop;nop
  88         leaq    3+sh2@dtpoff(%rax), %rcx
  89         nop;nop;nop;nop
  90
  91         /* IE against global var  */
  92         movq    %fs:0, %r9
  93         nop;nop
  94         addq    sG2@gottpoff(%rip), %r9
  95         nop;nop;nop;nop
  96
  97         /* IE -> LE against global var defined in exec */
  98         movq    %fs:0, %r10
  99         nop;nop
 100         addq    sg1@gottpoff(%rip), %r10
 101         nop;nop;nop;nop
 102
 103         /* IE -> LE against local var */
 104         movq    %fs:0, %rax
 105         nop;nop
 106         addq    sl1@gottpoff(%rip), %rax
 107         nop;nop;nop;nop
 108
 109         /* IE -> LE against hidden var */
 110         movq    %fs:0, %rcx
 111         nop;nop
 112         addq    sh1@gottpoff(%rip), %rcx
 113         nop;nop;nop;nop
 114
 115         /* Direct access through %fs  */
 116
 117         /* IE against global var  */
 118         movq    sG5@gottpoff(%rip), %rcx
 119         nop;nop
 120         movq    %fs:(%rcx), %rdx
 121         nop;nop;nop;nop
 122
 123         /* IE->LE against local var  */
 124         movq    sl5@gottpoff(%rip), %r11
 125         nop;nop
 126         movq    %fs:(%r11), %r12
 127         nop;nop;nop;nop
 128
 129         /* IE->LE against hidden var  */
 130         movq    sh5@gottpoff(%rip), %rdx
 131         nop;nop
 132         movq    %fs:(%rdx), %rdx
 133         nop;nop;nop;nop
 134
 135         leave
 136         ret