| // REQUIRES: arm |
| // RUN: llvm-mc %s -o %t.o -filetype=obj -triple=armv7a-linux-gnueabi |
| // RUN: ld.lld --hash-style=sysv %t.o -o %t.so -shared |
| // RUN: llvm-readobj -s -dyn-relocations %t.so | FileCheck --check-prefix=SEC %s |
| // RUN: llvm-objdump -d -triple=armv7a-linux-gnueabi %t.so | FileCheck %s |
| |
| // Test the handling of the local-dynamic TLS model. Dynamic loader finds |
| // module index R_ARM_TLS_DTPMOD32. The offset in the next GOT slot is 0 |
| // The R_ARM_TLS_LDO is the offset of the variable within the TLS block. |
| .global __tls_get_addr |
| .text |
| .p2align 2 |
| .global _start |
| .syntax unified |
| .arm |
| .type _start, %function |
| _start: |
| .L0: |
| nop |
| |
| .word x(tlsldm) + (. - .L0 - 8) |
| .word x(tlsldo) |
| .word y(tlsldo) |
| |
| .section .tbss,"awT",%nobits |
| .p2align 2 |
| .type y, %object |
| y: |
| .space 4 |
| .section .tdata,"awT",%progbits |
| .p2align 2 |
| .type x, %object |
| x: |
| .word 10 |
| |
| // SEC: Name: .tdata |
| // SEC-NEXT: Type: SHT_PROGBITS |
| // SEC-NEXT: Flags [ |
| // SEC-NEXT: SHF_ALLOC |
| // SEC-NEXT: SHF_TLS |
| // SEC-NEXT: SHF_WRITE |
| // SEC-NEXT: ] |
| // SEC-NEXT: Address: 0x2000 |
| // SEC: Size: 4 |
| // SEC: Name: .tbss |
| // SEC-NEXT: Type: SHT_NOBITS (0x8) |
| // SEC-NEXT: Flags [ |
| // SEC-NEXT: SHF_ALLOC |
| // SEC-NEXT: SHF_TLS |
| // SEC-NEXT: SHF_WRITE |
| // SEC-NEXT: ] |
| // SEC-NEXT: Address: 0x2004 |
| // SEC: Size: 4 |
| |
| // SEC: Dynamic Relocations { |
| // SEC-NEXT: 0x204C R_ARM_TLS_DTPMOD32 - 0x0 |
| |
| // CHECK: Disassembly of section .text: |
| // CHECK-NEXT: _start: |
| // CHECK-NEXT: 1000: 00 f0 20 e3 nop |
| |
| // (0x204c - 0x1004) + (0x1004 - 0x1000 - 8) = 0x1044 |
| // CHECK: 1004: 44 10 00 00 |
| // CHECK-NEXT: 1008: 00 00 00 00 |
| // CHECK-NEXT: 100c: 04 00 00 00 |
| |
| // CHECK-EXE: Disassembly of section .text: |
| // CHECK-NEXT-EXE: _start: |
| // CHECK-NEXT-EXE: 11000: 00 f0 20 e3 nop |
| |
| // CHECK-EXE: 11004: fc 0f 00 00 |
| // CHECK-EXE: 11008: 00 00 00 00 |
| // CHECK-EXE: 1100c: 04 00 00 00 |
