/* Force .data aligned to 4K, so that .got very likely gets at 0x5021a0 (0x60 bytes .tdata and 0x140 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 0x401000. */ .text .balign 4096 .globl fn2 .type fn2,@function fn2: pushq %rbp movq %rsp, %rbp /* GD -> IE because variable is not defined in executable */ .byte 0x66 leaq sG1@tlsgd(%rip), %rdi .word 0x6666 rex64 call __tls_get_addr@plt nop;nop;nop;nop /* GD -> IE because variable is not defined in executable where the variable is referenced through IE too */ .byte 0x66 leaq sG2@tlsgd(%rip), %rdi .word 0x6666 rex64 call __tls_get_addr@plt nop;nop;nop;nop /* GD -> LE with global variable defined in executable */ .byte 0x66 leaq sg1@tlsgd(%rip), %rdi .word 0x6666 rex64 call __tls_get_addr@plt nop;nop;nop;nop /* GD -> LE with local variable defined in executable */ .byte 0x66 leaq sl1@tlsgd(%rip), %rdi .word 0x6666 rex64 call __tls_get_addr@plt nop;nop;nop;nop /* GD -> LE with hidden variable defined in executable */ .byte 0x66 leaq sh1@tlsgd(%rip), %rdi .word 0x6666 rex64 call __tls_get_addr@plt nop;nop;nop;nop /* LD -> LE */ leaq sl1@tlsld(%rip), %rdi call __tls_get_addr@plt nop;nop leaq 1+sl1@dtpoff(%rax), %rdx nop;nop leaq sl2@dtpoff+2(%rax), %r9 nop;nop;nop;nop /* LD -> LE against hidden variables */ leaq sh1@tlsld(%rip), %rdi call __tls_get_addr@plt nop;nop leaq sh1@dtpoff(%rax), %rdx nop;nop leaq 3+sh2@dtpoff(%rax), %rcx nop;nop;nop;nop /* IE against global var */ movq %fs:0, %r9 nop;nop addq sG2@gottpoff(%rip), %r9 nop;nop;nop;nop /* IE -> LE against global var defined in exec */ movq %fs:0, %r10 nop;nop addq sg1@gottpoff(%rip), %r10 nop;nop;nop;nop /* IE -> LE against local var */ movq %fs:0, %rax nop;nop addq sl1@gottpoff(%rip), %rax nop;nop;nop;nop /* IE -> LE against hidden var */ movq %fs:0, %rcx nop;nop addq sh1@gottpoff(%rip), %rcx nop;nop;nop;nop /* Direct access through %fs */ /* IE against global var */ movq sG5@gottpoff(%rip), %rcx nop;nop movq %fs:(%rcx), %rdx nop;nop;nop;nop /* IE->LE against local var */ movq sl5@gottpoff(%rip), %r11 nop;nop movq %fs:(%r11), %r12 nop;nop;nop;nop /* IE->LE against hidden var */ movq sh5@gottpoff(%rip), %rdx nop;nop movq %fs:(%rdx), %rdx nop;nop;nop;nop leave ret