/* Force .got aligned to 4K, so it very likely gets at 0x804a100 (0x60 bytes .tdata and 0xa0 bytes .dynamic) */ .data .balign 4096 .section ".tdata", "awT", @progbits .globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8 .globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8 .hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8 sg1: .long 17 sg2: .long 18 sg3: .long 19 sg4: .long 20 sg5: .long 21 sg6: .long 22 sg7: .long 23 sg8: .long 24 sl1: .long 65 sl2: .long 66 sl3: .long 67 sl4: .long 68 sl5: .long 69 sl6: .long 70 sl7: .long 71 sl8: .long 72 sh1: .long 257 sh2: .long 258 sh3: .long 259 sh4: .long 260 sh5: .long 261 sh6: .long 262 sh7: .long 263 sh8: .long 264 /* Force .text aligned to 4K, so it very likely gets at 0x8049000. */ .text .balign 4096 .globl fn2 .type fn2,@function fn2: pushl %ebp movl %esp, %ebp pushl %ebx pushl %eax call 1f 1: popl %ebx addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx nop;nop;nop;nop /* GD -> IE because variable is not defined in executable */ leal sG1@tlsgd(,%ebx,1), %eax call ___tls_get_addr@plt nop;nop;nop;nop /* GD -> IE because variable is not defined in executable where the variable is referenced through @gottpoff too */ leal sG2@tlsgd(,%ebx,1), %eax call ___tls_get_addr@plt nop;nop;nop;nop /* GD -> IE because variable is not defined in executable where the variable is referenced through @gotntpoff too */ leal sG3@tlsgd(,%ebx,1), %eax call ___tls_get_addr@plt nop;nop;nop;nop /* GD -> IE because variable is not defined in executable where the variable is referenced through @gottpoff and @gotntpoff too */ leal sG4@tlsgd(,%ebx,1), %eax call ___tls_get_addr@plt nop;nop;nop;nop /* GD -> LE with global variable defined in executable */ leal sg1@tlsgd(,%ebx,1), %eax call ___tls_get_addr@plt nop;nop;nop;nop /* GD -> LE with local variable defined in executable */ leal sl1@tlsgd(,%ebx,1), %eax call ___tls_get_addr@plt nop;nop;nop;nop /* GD -> LE with hidden variable defined in executable */ leal sh1@tlsgd(,%ebx,1), %eax call ___tls_get_addr@plt nop;nop;nop;nop /* LD -> LE */ leal sl1@tlsldm(%ebx), %eax call ___tls_get_addr@PLT nop;nop leal sl1@dtpoff(%eax), %edx nop;nop leal sl2@dtpoff(%eax), %ecx nop;nop;nop;nop /* LD -> LE against hidden variables */ leal sh1@tlsldm(%ebx), %eax call ___tls_get_addr@PLT nop;nop leal sh1@dtpoff(%eax), %edx nop;nop leal sh2@dtpoff(%eax), %ecx nop;nop;nop;nop /* @gottpoff IE against global var */ movl %gs:0, %ecx nop;nop subl sG2@gottpoff(%ebx), %ecx nop;nop;nop;nop /* @gottpoff IE against global var */ movl %gs:0, %eax nop;nop subl sG4@gottpoff(%ebx), %eax nop;nop;nop;nop /* @gotntpoff IE against global var */ movl %gs:0, %ecx nop;nop addl sG3@gotntpoff(%ebx), %ecx nop;nop;nop;nop /* @gotntpoff IE against global var */ movl %gs:0, %eax nop;nop addl sG4@gotntpoff(%ebx), %eax nop;nop;nop;nop /* @gottpoff IE -> LE against global var defined in exec */ movl %gs:0, %ecx nop;nop subl sg1@gottpoff(%ebx), %ecx nop;nop;nop;nop /* @gotntpoff IE -> LE against local var */ movl %gs:0, %ecx nop;nop addl sl1@gotntpoff(%ebx), %eax nop;nop;nop;nop /* @gottpoff IE -> LE against hidden var */ movl %gs:0, %ecx nop;nop subl sh1@gottpoff(%ebx), %ecx nop;nop;nop;nop /* Direct access through %gs */ /* @gotntpoff IE against global var */ movl sG5@gotntpoff(%ebx), %ecx nop;nop movl %gs:(%ecx), %edx nop;nop;nop;nop /* @gotntpoff IE->LE against local var */ movl sl5@gotntpoff(%ebx), %eax nop;nop movl %gs:(%eax), %edx nop;nop;nop;nop /* @gotntpoff IE->LE against hidden var */ movl sh5@gotntpoff(%ebx), %edx nop;nop movl %gs:(%edx), %edx nop;nop;nop;nop movl -4(%ebp), %ebx leave ret