1 .section ".tdata", "awT", @progbits 2 .globl foo 3 foo: .long 25 4 .text 5 .globl fn 6 .type fn,@function 7 fn: 8 pushl %ebp 9 movl %esp, %ebp 10 pushl %ebx 11 pushl %eax 12 call 1f 13 1: popl %ebx 14 addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx 15 16 /* foo can be anywhere in the startup TLS */ 17 movl %gs:0, %eax 18 19 /* Arbitrary instructions in between. */ 20 addl $0, %esi 21 22 subl foo@GOTTPOFF(%ebx), %eax 23 /* %eax now contains &foo */ 24 25 /* Now the GNU sequence. */ 26 movl foo@GOTNTPOFF(%ebx), %eax 27 28 /* Arbitrary instructions in between. */ 29 addl $0, %esi 30 31 movl %gs:(%eax), %eax 32 /* %eax now contains foo */ 33 34 movl %gs:0, %ecx 35 addl foo@GOTNTPOFF(%ebx), %ecx 36 37 movl -4(%ebp), %ebx 38 leave 39 ret 40
