mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-04 01:50:38 +00:00
147 lines
2.9 KiB
ArmAsm
147 lines
2.9 KiB
ArmAsm
/* 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
|
|
.byte 0x66
|
|
rex64
|
|
call *__tls_get_addr@GOTPCREL(%rip)
|
|
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
|
|
.byte 0x66
|
|
rex64
|
|
call *__tls_get_addr@GOTPCREL(%rip)
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> LE with global variable defined in executable */
|
|
.byte 0x66
|
|
leaq sg1@tlsgd(%rip), %rdi
|
|
.byte 0x66
|
|
rex64
|
|
call *__tls_get_addr@GOTPCREL(%rip)
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> LE with local variable defined in executable */
|
|
.byte 0x66
|
|
leaq sl1@tlsgd(%rip), %rdi
|
|
.byte 0x66
|
|
rex64
|
|
call *__tls_get_addr@GOTPCREL(%rip)
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> LE with hidden variable defined in executable */
|
|
.byte 0x66
|
|
leaq sh1@tlsgd(%rip), %rdi
|
|
.byte 0x66
|
|
rex64
|
|
call *__tls_get_addr@GOTPCREL(%rip)
|
|
nop;nop;nop;nop
|
|
|
|
/* LD -> LE */
|
|
leaq sl1@tlsld(%rip), %rdi
|
|
call *__tls_get_addr@GOTPCREL(%rip)
|
|
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@GOTPCREL(%rip)
|
|
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
|