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