167 lines
3.7 KiB
ArmAsm
167 lines
3.7 KiB
ArmAsm
/* Force .got aligned to 4K, so it very likely gets at 0x804a100
|
|
(0x60 bytes .tdata and 0xa0 bytes .dynamic) */
|
|
.section ".tdata", "awT", @progbits
|
|
.balign 4096
|
|
.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@tlsdesc(%ebx), %eax
|
|
call *sG1@tlscall(%eax)
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> IE because variable is not defined in executable where
|
|
the variable is referenced through @gottpoff too */
|
|
leal sG2@tlsdesc(%ebx), %eax
|
|
call *sG2@tlscall(%eax)
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> IE because variable is not defined in executable where
|
|
the variable is referenced through @gotntpoff too */
|
|
leal sG3@tlsdesc(%ebx), %eax
|
|
call *sG3@tlscall(%eax)
|
|
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@tlsdesc(%ebx), %eax
|
|
call *sG4@tlscall(%eax)
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> LE with global variable defined in executable */
|
|
leal sg1@tlsdesc(%ebx), %eax
|
|
call *sg1@tlscall(%eax)
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> LE with local variable defined in executable */
|
|
leal sl1@tlsdesc(%ebx), %eax
|
|
call *sl1@tlscall(%eax)
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> LE with hidden variable defined in executable */
|
|
leal sh1@tlsdesc(%ebx), %eax
|
|
call *sh1@tlscall(%eax)
|
|
nop;nop;nop;nop
|
|
|
|
/* LD -> LE */
|
|
leal _TLS_MODULE_BASE_@tlsdesc(%ebx), %eax
|
|
call *_TLS_MODULE_BASE_@tlscall(%eax)
|
|
nop;nop
|
|
leal sl1@dtpoff(%eax), %edx
|
|
nop;nop
|
|
leal sl2@dtpoff(%eax), %ecx
|
|
nop;nop;nop;nop
|
|
|
|
/* LD -> LE against hidden variables */
|
|
leal _TLS_MODULE_BASE_@tlsdesc(%ebx), %eax
|
|
call *_TLS_MODULE_BASE_@tlscall(%eax)
|
|
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
|