diff options
Diffstat (limited to 'test/ELF/tls.s')
| -rw-r--r-- | test/ELF/tls.s | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/test/ELF/tls.s b/test/ELF/tls.s new file mode 100644 index 0000000000000..525890b087e25 --- /dev/null +++ b/test/ELF/tls.s @@ -0,0 +1,170 @@ +// REQUIRES: x86 +// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t +// RUN: ld.lld %t -o %tout +// RUN: llvm-readobj -symbols -sections -program-headers %tout | FileCheck %s +// RUN: llvm-objdump -d %tout | FileCheck %s --check-prefix=DIS + +.global _start +_start: + movl %fs:a@tpoff, %eax + movl %fs:b@tpoff, %eax + movl %fs:c@tpoff, %eax + movl %fs:d@tpoff, %eax + + .global a + .section .tbss,"awT",@nobits +a: + .long 0 + + .global b + .section .tdata,"awT",@progbits +b: + .long 1 + + .global c + .section .thread_bss,"awT",@nobits +c: + .long 0 + + .global d + .section .thread_data,"awT",@progbits +d: + .long 2 + +// CHECK: Name: .tdata +// CHECK-NEXT: Type: SHT_PROGBITS +// CHECK-NEXT: Flags [ +// CHECK-NEXT: SHF_ALLOC +// CHECK-NEXT: SHF_TLS +// CHECK-NEXT: SHF_WRITE +// CHECK-NEXT: ] +// CHECK-NEXT: Address: [[TDATA_ADDR:0x.*]] +// CHECK-NEXT: Offset: +// CHECK-NEXT: Size: 4 +// CHECK-NEXT: Link: +// CHECK-NEXT: Info: +// CHECK-NEXT: AddressAlignment: +// CHECK-NEXT: EntrySize: +// CHECK-NEXT: } +// CHECK-NEXT: Section { +// CHECK-NEXT: Index: +// CHECK-NEXT: Name: .thread_data +// CHECK-NEXT: Type: SHT_PROGBITS +// CHECK-NEXT: Flags [ +// CHECK-NEXT: SHF_ALLOC +// CHECK-NEXT: SHF_TLS +// CHECK-NEXT: SHF_WRITE +// CHECK-NEXT: ] +// CHECK-NEXT: Address: +// CHECK-NEXT: Offset: +// CHECK-NEXT: Size: 4 +// CHECK-NEXT: Link: +// CHECK-NEXT: Info: +// CHECK-NEXT: AddressAlignment: +// CHECK-NEXT: EntrySize: +// CHECK-NEXT: } +// CHECK-NEXT: Section { +// CHECK-NEXT: Index: +// CHECK-NEXT: Name: .tbss +// CHECK-NEXT: Type: SHT_NOBITS +// CHECK-NEXT: Flags [ +// CHECK-NEXT: SHF_ALLOC +// CHECK-NEXT: SHF_TLS +// CHECK-NEXT: SHF_WRITE +// CHECK-NEXT: ] +// CHECK-NEXT: Address: [[TBSS_ADDR:0x.*]] +// CHECK-NEXT: Offset: +// CHECK-NEXT: Size: 4 +// CHECK-NEXT: Link: +// CHECK-NEXT: Info: +// CHECK-NEXT: AddressAlignment: +// CHECK-NEXT: EntrySize: +// CHECK-NEXT: } +// CHECK-NEXT: Section { +// CHECK-NEXT: Index: +// CHECK-NEXT: Name: .thread_bss +// CHECK-NEXT: Type: SHT_NOBITS +// CHECK-NEXT: Flags [ +// CHECK-NEXT: SHF_ALLOC +// CHECK-NEXT: SHF_TLS +// CHECK-NEXT: SHF_WRITE +// CHECK-NEXT: ] + +// 0x1200C = TBSS_ADDR + 4 + +// CHECK-NEXT: Address: 0x1200C +// CHECK-NEXT: Offset: +// CHECK-NEXT: Size: 4 +// CHECK-NEXT: Link: +// CHECK-NEXT: Info: +// CHECK-NEXT: AddressAlignment: +// CHECK-NEXT: EntrySize: +// CHECK-NEXT: } + +// CHECK: Symbols [ +// CHECK: Name: a +// CHECK-NEXT: Value: 0x8 +// CHECK-NEXT: Size: +// CHECK-NEXT: Binding: Global +// CHECK-NEXT: Type: TLS +// CHECK-NEXT: Other: 0 +// CHECK-NEXT: Section: .tbss +// CHECK-NEXT: } +// CHECK-NEXT: Symbol { +// CHECK-NEXT: Name: b +// CHECK-NEXT: Value: 0x0 +// CHECK-NEXT: Size: +// CHECK-NEXT: Binding: Global +// CHECK-NEXT: Type: TLS +// CHECK-NEXT: Other: 0 +// CHECK-NEXT: Section: .tdata +// CHECK-NEXT: } +// CHECK-NEXT: Symbol { +// CHECK-NEXT: Name: c +// CHECK-NEXT: Value: 0xC +// CHECK-NEXT: Size: +// CHECK-NEXT: Binding: Global +// CHECK-NEXT: Type: TLS +// CHECK-NEXT: Other: 0 +// CHECK-NEXT: Section: .thread_bss +// CHECK-NEXT: } +// CHECK-NEXT: Symbol { +// CHECK-NEXT: Name: d +// CHECK-NEXT: Value: 0x4 +// CHECK-NEXT: Size: +// CHECK-NEXT: Binding: Global +// CHECK-NEXT: Type: TLS +// CHECK-NEXT: Other: 0 +// CHECK-NEXT: Section: .thread_data +// CHECK-NEXT: } + +// Check that the TLS NOBITS sections weren't added to the R/W PT_LOAD's size. + +// CHECK: ProgramHeaders [ +// CHECK: Type: PT_LOAD +// CHECK: Type: PT_LOAD +// CHECK: Type: PT_LOAD +// CHECK: FileSize: 8 +// CHECK-NEXT: MemSize: 8 +// CHECK-NEXT: Flags [ +// CHECK-NEXT: PF_R +// CHECK-NEXT: PF_W +// CHECK-NEXT: ] +// CHECK: Type: PT_TLS +// CHECK-NEXT: Offset: +// CHECK-NEXT: VirtualAddress: [[TDATA_ADDR]] +// CHECK-NEXT: PhysicalAddress: [[TDATA_ADDR]] +// CHECK-NEXT: FileSize: 8 +// CHECK-NEXT: MemSize: 16 +// CHECK-NEXT: Flags [ +// CHECK-NEXT: PF_R +// CHECK-NEXT: ] +// CHECK-NEXT: Alignment: +// CHECK-NEXT: } + +// DIS: Disassembly of section .text: +// DIS-NEXT: _start: +// DIS-NEXT: 11000: {{.+}} movl %fs:-8, %eax +// DIS-NEXT: 11008: {{.+}} movl %fs:-16, %eax +// DIS-NEXT: 11010: {{.+}} movl %fs:-4, %eax +// DIS-NEXT: 11018: {{.+}} movl %fs:-12, %eax |