| 1 | .section ".tbss", "awT", @nobits
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| 2 | .globl bg1, bg2, bg3, bg4, bg5, bg6, bg7, bg8
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| 3 | bg1: .space 4
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| 4 | bg2: .space 4
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| 5 | bg3: .space 4
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| 6 | bg4: .space 4
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| 7 | bg5: .space 4
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| 8 | bg6: .space 4
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| 9 | bg7: .space 4
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| 10 | bg8: .space 4
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| 11 | bl1: .space 4
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| 12 | bl2: .space 4
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| 13 | bl3: .space 4
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| 14 | bl4: .space 4
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| 15 | bl5: .space 4
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| 16 | bl6: .space 4
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| 17 | bl7: .space 4
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| 18 | bl8: .space 4
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| 19 | .text
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| 20 | .globl _start
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| 21 | .type _start,@function
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| 22 | _start:
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| 23 | pushl %ebp
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| 24 | movl %esp, %ebp
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| 25 | /* Set up .GOT pointer for non-pic @gottpoff sequences */
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| 26 | call 1f
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| 27 | 1: popl %ecx
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| 28 | addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
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| 29 | nop;nop;nop;nop
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| 30 |
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| 31 | /* @gottpoff IE against global var */
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| 32 | movl %gs:0, %edx
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| 33 | nop;nop
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| 34 | subl sG6@gottpoff(%ecx), %edx
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| 35 | nop;nop;nop;nop
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| 36 |
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| 37 | /* @indntpoff IE against global var */
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| 38 | movl %gs:0, %eax
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| 39 | nop;nop
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| 40 | addl sG7@indntpoff, %eax
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| 41 | nop;nop;nop;nop
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| 42 |
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| 43 | /* @indntpoff direct %gs access IE against global var */
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| 44 | movl sG8@indntpoff, %edx
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| 45 | nop;nop
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| 46 | movl %gs:(%edx), %eax
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| 47 | nop;nop;nop;nop
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| 48 |
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| 49 | /* @gottpoff IE -> LE against global var defined in exec */
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| 50 | movl %gs:0, %edx
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| 51 | nop;nop
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| 52 | subl bg6@gottpoff(%ecx), %edx
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| 53 | nop;nop;nop;nop
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| 54 |
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| 55 | /* @indntpoff IE -> LE against global var defined in exec */
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| 56 | movl %gs:0, %eax
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| 57 | nop;nop
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| 58 | addl bg7@indntpoff, %eax
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| 59 | nop;nop;nop;nop
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| 60 |
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| 61 | /* @indntpoff direct %gs access IE -> LE against global var defined
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| 62 | in exec */
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| 63 | movl bg8@indntpoff, %edx
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| 64 | nop;nop
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| 65 | movl %gs:(%edx), %eax
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| 66 | nop;nop;nop;nop
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| 67 |
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| 68 | /* @gottpoff IE -> LE against local var */
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| 69 | movl %gs:0, %edx
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| 70 | nop;nop
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| 71 | subl bl6@gottpoff(%ecx), %edx
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| 72 | nop;nop;nop;nop
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| 73 |
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| 74 | /* @indntpoff IE -> LE against local var */
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| 75 | movl %gs:0, %eax
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| 76 | nop;nop
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| 77 | addl bl7@indntpoff, %eax
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| 78 | nop;nop;nop;nop
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| 79 |
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| 80 | /* @indntpoff direct %gs access IE -> LE against local var */
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| 81 | movl bl8@indntpoff, %edx
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| 82 | nop;nop
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| 83 | movl %gs:(%edx), %eax
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| 84 | nop;nop;nop;nop
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| 85 |
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| 86 | /* @gottpoff IE -> LE against hidden but not local var */
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| 87 | movl %gs:0, %edx
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| 88 | nop;nop
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| 89 | subl sh6@gottpoff(%ecx), %edx
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| 90 | nop;nop;nop;nop
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| 91 |
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| 92 | /* @indntpoff IE -> LE against hidden but not local var */
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| 93 | movl %gs:0, %eax
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| 94 | nop;nop
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| 95 | addl sh7@indntpoff, %eax
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| 96 | nop;nop;nop;nop
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| 97 |
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| 98 | /* @indntpoff direct %gs access IE -> LE against hidden but not
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| 99 | local var */
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| 100 | movl sh8@indntpoff, %edx
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| 101 | nop;nop
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| 102 | movl %gs:(%edx), %eax
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| 103 | nop;nop;nop;nop
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| 104 |
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| 105 | /* LE @tpoff, global var defined in exec */
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| 106 | movl $sg1@tpoff, %edx
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| 107 | nop;nop
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| 108 | movl %gs:0, %eax
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| 109 | nop;nop
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| 110 | subl %edx, %eax
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| 111 | nop;nop;nop;nop
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| 112 |
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| 113 | /* LE @tpoff, local var */
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| 114 | movl $-1+bl1@tpoff, %eax
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| 115 | nop;nop
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| 116 | movl %gs:0, %edx
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| 117 | nop;nop
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| 118 | subl %eax, %edx
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| 119 | nop;nop;nop;nop
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| 120 |
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| 121 | /* LE @tpoff, hidden var defined in exec */
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| 122 | movl $sh1@tpoff-3, %eax
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| 123 | nop;nop
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| 124 | movl %gs:0, %edx
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| 125 | nop;nop
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| 126 | subl %eax, %edx
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| 127 | nop;nop;nop;nop
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| 128 |
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| 129 | /* LE @ntpoff, global var defined in exec */
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| 130 | movl %gs:0, %eax
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| 131 | nop;nop
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| 132 | leal sg2@ntpoff(%eax), %edx
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| 133 | nop;nop;nop;nop
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| 134 |
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| 135 | /* LE @ntpoff, local var, non-canonical sequence */
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| 136 | movl $2+bl2@ntpoff, %eax
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| 137 | nop;nop
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| 138 | movl %gs:0, %edx
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| 139 | nop;nop
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| 140 | addl %eax, %edx
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| 141 | nop;nop;nop;nop
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| 142 |
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| 143 | /* LE @ntpoff, hidden var defined in exec, non-canonical sequence */
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| 144 | movl %gs:0, %edx
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| 145 | nop;nop
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| 146 | addl $sh2@ntpoff+1, %edx
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| 147 | nop;nop;nop;nop
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| 148 |
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| 149 | /* Direct %gs access */
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| 150 |
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| 151 | /* LE @ntpoff, global var defined in exec */
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| 152 | movl %gs:sg3@ntpoff, %eax
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| 153 | nop;nop;nop;nop
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| 154 |
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| 155 | /* LE @ntpoff, local var */
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| 156 | movl %gs:bl3@ntpoff+3, %edx
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| 157 | nop;nop;nop;nop
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| 158 |
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| 159 | /* LE @ntpoff, hidden var defined in exec */
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| 160 | movl %gs:1+sh3@ntpoff, %edx
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| 161 | nop;nop;nop;nop
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| 162 |
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| 163 | movl -4(%ebp), %ebx
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| 164 | leave
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| 165 | ret
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