5c98a14e1e
64-bit -mcmodel=large -fpic TLS GD and LD sequences. (elf_x86_64_relocate_section): Handle -mcmodel=large -fpic TLS GD and LD sequences in GD->LE, GD->IE and LD->LE transitions. ld/testsuite/ * ld-x86-64/x86-64.exp: Add tlsld3, tlsgd7 and tlsgd8 tests. * ld-x86-64/tlspic1.s: Add -mcmodel=large -fpic TLS GD and LD sequences. * ld-x86-64/tlspic.dd: Adjusted. * ld-x86-64/tlspic.rd: Adjusted. * ld-x86-64/tlspic-nacl.rd: Adjusted. * ld-x86-64/tlsld3.dd: New test. * ld-x86-64/tlsld3.s: New file. * ld-x86-64/tlsgd7.dd: New test. * ld-x86-64/tlsgd7.s: New file. * ld-x86-64/tlsgd8.dd: New test. * ld-x86-64/tlsgd8.s: New file.
290 lines
5.8 KiB
ArmAsm
290 lines
5.8 KiB
ArmAsm
/* Force .data aligned to 4K, so .got very likely gets at 0x102190
|
|
(0x60 bytes .tdata and 0x130 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 0x1000. */
|
|
.text
|
|
.balign 4096
|
|
.globl fn1
|
|
.type fn1,@function
|
|
fn1:
|
|
pushq %rbp
|
|
movq %rsp, %rbp
|
|
nop;nop;nop;nop
|
|
|
|
/* GD */
|
|
.byte 0x66
|
|
leaq sg1@tlsgd(%rip), %rdi
|
|
.word 0x6666
|
|
rex64
|
|
call __tls_get_addr@plt
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> IE because 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 against local variable */
|
|
.byte 0x66
|
|
leaq sl1@tlsgd(%rip), %rdi
|
|
.word 0x6666
|
|
rex64
|
|
call __tls_get_addr@plt
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> IE against local variable referenced through IE too */
|
|
.byte 0x66
|
|
leaq sl2@tlsgd(%rip), %rdi
|
|
.word 0x6666
|
|
rex64
|
|
call __tls_get_addr@plt
|
|
nop;nop;nop;nop
|
|
|
|
/* GD against hidden and local variable */
|
|
.byte 0x66
|
|
leaq sh1@tlsgd(%rip), %rdi
|
|
.word 0x6666
|
|
rex64
|
|
call __tls_get_addr@plt
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> IE against hidden and local variable referenced through
|
|
IE too */
|
|
.byte 0x66
|
|
leaq sh2@tlsgd(%rip), %rdi
|
|
.word 0x6666
|
|
rex64
|
|
call __tls_get_addr@plt
|
|
nop;nop;nop;nop
|
|
|
|
/* GD against hidden but not local variable */
|
|
.byte 0x66
|
|
leaq sH1@tlsgd(%rip), %rdi
|
|
.word 0x6666
|
|
rex64
|
|
call __tls_get_addr@plt
|
|
nop;nop;nop;nop
|
|
|
|
/* GD -> IE against hidden but not local variable referenced through
|
|
IE too */
|
|
.byte 0x66
|
|
leaq sH2@tlsgd(%rip), %rdi
|
|
.word 0x6666
|
|
rex64
|
|
call __tls_get_addr@plt
|
|
nop;nop;nop;nop
|
|
|
|
/* LD */
|
|
leaq sl1@tlsld(%rip), %rdi
|
|
call __tls_get_addr@plt
|
|
nop;nop
|
|
leaq sl1@dtpoff(%rax), %rdx
|
|
nop;nop
|
|
leaq 2+sl2@dtpoff(%rax), %r9
|
|
nop;nop;nop;nop
|
|
|
|
/* LD against hidden and local variables */
|
|
leaq sh1@tlsld(%rip), %rdi
|
|
call __tls_get_addr@plt
|
|
nop;nop
|
|
leaq sh1@dtpoff(%rax), %rdx
|
|
nop;nop
|
|
leaq sh2@dtpoff+3(%rax), %rcx
|
|
nop;nop;nop;nop
|
|
|
|
/* LD against hidden but not local variables */
|
|
leaq sH1@tlsld(%rip), %rdi
|
|
call __tls_get_addr@plt
|
|
nop;nop
|
|
leaq sH1@dtpoff(%rax), %r12
|
|
nop;nop
|
|
leaq sH2@dtpoff+1(%rax), %rcx
|
|
nop;nop
|
|
|
|
/* IE against global var */
|
|
movq %fs:0, %rcx
|
|
nop;nop
|
|
addq sg2@gottpoff(%rip), %rcx
|
|
nop;nop;nop;nop
|
|
|
|
/* IE against local var */
|
|
movq %fs:0, %r14
|
|
nop;nop
|
|
addq sl2@gottpoff(%rip), %r14
|
|
nop;nop;nop;nop
|
|
|
|
/* IE against hidden and local var */
|
|
movq %fs:0, %rcx
|
|
nop;nop
|
|
addq sh2@gottpoff(%rip), %rcx
|
|
nop;nop;nop;nop
|
|
|
|
/* IE against hidden but not local var */
|
|
movq %fs:0, %rcx
|
|
nop;nop
|
|
addq sH2@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 against local var */
|
|
movq sl5@gottpoff(%rip), %r10
|
|
nop;nop
|
|
movq %fs:(%r10), %r12
|
|
nop;nop;nop;nop
|
|
|
|
/* IE against hidden and local var */
|
|
movq sh5@gottpoff(%rip), %rdx
|
|
nop;nop
|
|
movq %fs:(%rdx), %rdx
|
|
nop;nop;nop;nop
|
|
|
|
/* IE against hidden but not local var */
|
|
movq sH5@gottpoff(%rip), %rcx
|
|
nop;nop
|
|
movq %fs:(%rcx), %rdx
|
|
nop;nop;nop;nop
|
|
|
|
1: movabsq $_GLOBAL_OFFSET_TABLE_-1b, %r11
|
|
pushq %rbx
|
|
pushq %rbx
|
|
leaq 1b(%rip), %rbx
|
|
addq %r11, %rbx
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large sequences */
|
|
|
|
/* -mcmodel=large GD */
|
|
leaq sg1@tlsgd(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large GD -> IE because variable is referenced through IE too */
|
|
leaq sg2@tlsgd(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large GD against local variable */
|
|
leaq sl1@tlsgd(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large GD -> IE against local variable referenced through IE too */
|
|
leaq sl2@tlsgd(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large GD against hidden and local variable */
|
|
leaq sh1@tlsgd(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large GD -> IE against hidden and local variable referenced through
|
|
IE too */
|
|
leaq sh2@tlsgd(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large GD against hidden but not local variable */
|
|
leaq sH1@tlsgd(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large GD -> IE against hidden but not local variable referenced through
|
|
IE too */
|
|
leaq sH2@tlsgd(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large LD */
|
|
leaq sl1@tlsld(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop
|
|
leaq sl1@dtpoff(%rax), %rdx
|
|
nop;nop
|
|
leaq 2+sl2@dtpoff(%rax), %r9
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large LD against hidden and local variables */
|
|
leaq sh1@tlsld(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop
|
|
leaq sh1@dtpoff(%rax), %rdx
|
|
nop;nop
|
|
leaq sh2@dtpoff+3(%rax), %rcx
|
|
nop;nop;nop;nop
|
|
|
|
/* -mcmodel=large LD against hidden but not local variables */
|
|
leaq sH1@tlsld(%rip), %rdi
|
|
movabsq $__tls_get_addr@pltoff, %rax
|
|
addq %rbx, %rax
|
|
call *%rax
|
|
nop;nop
|
|
leaq sH1@dtpoff(%rax), %r12
|
|
nop;nop
|
|
leaq sH2@dtpoff+1(%rax), %rcx
|
|
nop;nop;nop;nop
|
|
|
|
popq %rbx
|
|
popq %rbx
|
|
|
|
leave
|
|
ret
|