diff options
Diffstat (limited to 'test/ELF/arm-tls-ldm32.s')
-rw-r--r-- | test/ELF/arm-tls-ldm32.s | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/test/ELF/arm-tls-ldm32.s b/test/ELF/arm-tls-ldm32.s new file mode 100644 index 0000000000000..47e8791027075 --- /dev/null +++ b/test/ELF/arm-tls-ldm32.s @@ -0,0 +1,73 @@ +// RUN: llvm-mc %s -o %t.o -filetype=obj -triple=armv7a-linux-gnueabi +// RUN: ld.lld %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 +// REQUIRES: arm + +// 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 |