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         .byte   0x66
  44         leaq    sG1@tlsgd(%rip), %rdi
  45         .word   0x6666
  46         rex64
  47         call    __tls_get_addr@plt
  48         nop;nop;nop;nop
  49
  50         /* GD -> IE because variable is not defined in executable where
  51            the variable is referenced through IE too */
  52         .byte   0x66
  53         leaq    sG2@tlsgd(%rip), %rdi
  54         .word   0x6666
  55         rex64
  56         call    __tls_get_addr@plt
  57         nop;nop;nop;nop
  58
  59         /* GD -> LE with global variable defined in executable */
  60         .byte   0x66
  61         leaq    sg1@tlsgd(%rip), %rdi
  62         .word   0x6666
  63         rex64
  64         call    __tls_get_addr@plt
  65         nop;nop;nop;nop
  66
  67         /* GD -> LE with local variable defined in executable */
  68         .byte   0x66
  69         leaq    sl1@tlsgd(%rip), %rdi
  70         .word   0x6666
  71         rex64
  72         call    __tls_get_addr@plt
  73         nop;nop;nop;nop
  74
  75         /* GD -> LE with hidden variable defined in executable */
  76         .byte   0x66
  77         leaq    sh1@tlsgd(%rip), %rdi
  78         .word   0x6666
  79         rex64
  80         call    __tls_get_addr@plt
  81         nop;nop;nop;nop
  82
  83         /* LD -> LE */
  84         leaq    sl1@tlsld(%rip), %rdi
  85         call    __tls_get_addr@plt
  86         nop;nop
  87         leaq    1+sl1@dtpoff(%rax), %rdx
  88         nop;nop
  89         leaq    sl2@dtpoff+2(%rax), %r9
  90         nop;nop;nop;nop
  91
  92         /* LD -> LE against hidden variables */
  93         leaq    sh1@tlsld(%rip), %rdi
  94         call    __tls_get_addr@plt
  95         nop;nop
  96         leaq    sh1@dtpoff(%rax), %rdx
  97         nop;nop
  98         leaq    3+sh2@dtpoff(%rax), %rcx
  99         nop;nop;nop;nop
 100
 101         /* IE against global var  */
 102         movq    %fs:0, %r9
 103         nop;nop
 104         addq    sG2@gottpoff(%rip), %r9
 105         nop;nop;nop;nop
 106
 107         /* IE -> LE against global var defined in exec */
 108         movq    %fs:0, %r10
 109         nop;nop
 110         addq    sg1@gottpoff(%rip), %r10
 111         nop;nop;nop;nop
 112
 113         /* IE -> LE against local var */
 114         movq    %fs:0, %rax
 115         nop;nop
 116         addq    sl1@gottpoff(%rip), %rax
 117         nop;nop;nop;nop
 118
 119         /* IE -> LE against hidden var */
 120         movq    %fs:0, %rcx
 121         nop;nop
 122         addq    sh1@gottpoff(%rip), %rcx
 123         nop;nop;nop;nop
 124
 125         /* Direct access through %fs  */
 126
 127         /* IE against global var  */
 128         movq    sG5@gottpoff(%rip), %rcx
 129         nop;nop
 130         movq    %fs:(%rcx), %rdx
 131         nop;nop;nop;nop
 132
 133         /* IE->LE against local var  */
 134         movq    sl5@gottpoff(%rip), %r11
 135         nop;nop
 136         movq    %fs:(%r11), %r12
 137         nop;nop;nop;nop
 138
 139         /* IE->LE against hidden var  */
 140         movq    sh5@gottpoff(%rip), %rdx
 141         nop;nop
 142         movq    %fs:(%rdx), %rdx
 143         nop;nop;nop;nop
 144
 145         leave
 146         ret