forked from OSchip/llvm-project
73 lines
2.1 KiB
ArmAsm
73 lines
2.1 KiB
ArmAsm
// REQUIRES: aarch64
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// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-linux %s -o %t.o
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// RUN: ld.lld --hash-style=sysv -shared %t.o -o %t.so
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// RUN: llvm-objdump -d %t.so | FileCheck %s
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// RUN: llvm-readobj -r %t.so | FileCheck --check-prefix=REL %s
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.text
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adrp x0, :tlsdesc:a
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ldr x1, [x0, :tlsdesc_lo12:a]
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add x0, x0, :tlsdesc_lo12:a
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.tlsdesccall a
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blr x1
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// Create relocation against local TLS symbols where linker should
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// create target specific dynamic TLSDESC relocation where addend is
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// the symbol VMA in tls block.
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// CHECK: 10000: {{.*}} adrp x0, #65536
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// CHECK-NEXT: 10004: {{.*}} ldr x1, [x0, #144]
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// CHECK-NEXT: 10008: {{.*}} add x0, x0, #144
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// CHECK-NEXT: 1000c: {{.*}} blr x1
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adrp x0, :tlsdesc:local1
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ldr x1, [x0, :tlsdesc_lo12:local1]
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add x0, x0, :tlsdesc_lo12:local1
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.tlsdesccall a
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blr x1
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// CHECK: 10010: {{.*}} adrp x0, #65536
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// CHECK-NEXT: 10014: {{.*}} ldr x1, [x0, #160]
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// CHECK-NEXT: 10018: {{.*}} add x0, x0, #160
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// CHECK-NEXT: 1001c: {{.*}} blr x1
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adrp x0, :tlsdesc:local2
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ldr x1, [x0, :tlsdesc_lo12:local2]
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add x0, x0, :tlsdesc_lo12:local2
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.tlsdesccall a
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blr x1
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// CHECK: 10020: {{.*}} adrp x0, #65536
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// CHECK-NEXT: 10024: {{.*}} ldr x1, [x0, #176]
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// CHECK-NEXT: 10028: {{.*}} add x0, x0, #176
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// CHECK-NEXT: 1002c: {{.*}} blr x1
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.section .tbss,"awT",@nobits
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.type local1,@object
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.p2align 2
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local1:
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.word 0
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.size local1, 4
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.type local2,@object
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.p2align 3
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local2:
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.xword 0
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.size local2, 8
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// 0x1000 + 4096 + 160 = 0x20A0
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// 0x1000 + 4096 + 176 = 0x20B0
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// 0x1000 + 4096 + 144 = 0x2090
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// R_AARCH64_TLSDESC - 0x0 -> start of tls block
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// R_AARCH64_TLSDESC - 0x8 -> align (sizeof (local1), 8)
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// REL: Relocations [
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// REL-NEXT: Section (4) .rela.dyn {
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// REL-NEXT: 0x200A0 R_AARCH64_TLSDESC - 0x0
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// REL-NEXT: 0x200B0 R_AARCH64_TLSDESC - 0x8
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// REL-NEXT: 0x20090 R_AARCH64_TLSDESC a 0x0
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// REL-NEXT: }
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// REL-NEXT: ]
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