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-rw-r--r--test/ELF/aarch64-tlsdesc.s58
1 files changed, 53 insertions, 5 deletions
diff --git a/test/ELF/aarch64-tlsdesc.s b/test/ELF/aarch64-tlsdesc.s
index f8c73aff243d8..09dfd04d8ac9c 100644
--- a/test/ELF/aarch64-tlsdesc.s
+++ b/test/ELF/aarch64-tlsdesc.s
@@ -4,21 +4,69 @@
// RUN: llvm-objdump -d %t.so | FileCheck %s
// RUN: llvm-readobj -r %t.so | FileCheck --check-prefix=REL %s
+ .text
adrp x0, :tlsdesc:a
ldr x1, [x0, :tlsdesc_lo12:a]
add x0, x0, :tlsdesc_lo12:a
.tlsdesccall a
blr x1
-// CHECK: 1000: {{.*}} adrp x0, #4096
-// CHECK-NEXT: 1004: {{.*}} ldr x1, [x0, #144]
-// CHECK-NEXT: 1008: {{.*}} add x0, x0, #144
-// CHECK-NEXT: 100c: {{.*}} blr x1
+// Create relocation against local TLS symbols where linker should
+// create target specific dynamic TLSDESC relocation where addend is
+// the symbol VMA in tls block.
+// CHECK: 10000: {{.*}} adrp x0, #65536
+// CHECK-NEXT: 10004: {{.*}} ldr x1, [x0, #144]
+// CHECK-NEXT: 10008: {{.*}} add x0, x0, #144
+// CHECK-NEXT: 1000c: {{.*}} blr x1
+
+ adrp x0, :tlsdesc:local1
+ ldr x1, [x0, :tlsdesc_lo12:local1]
+ add x0, x0, :tlsdesc_lo12:local1
+ .tlsdesccall a
+ blr x1
+
+// CHECK: 10010: {{.*}} adrp x0, #65536
+// CHECK-NEXT: 10014: {{.*}} ldr x1, [x0, #160]
+// CHECK-NEXT: 10018: {{.*}} add x0, x0, #160
+// CHECK-NEXT: 1001c: {{.*}} blr x1
+
+ adrp x0, :tlsdesc:local2
+ ldr x1, [x0, :tlsdesc_lo12:local2]
+ add x0, x0, :tlsdesc_lo12:local2
+ .tlsdesccall a
+ blr x1
+
+// CHECK: 10020: {{.*}} adrp x0, #65536
+// CHECK-NEXT: 10024: {{.*}} ldr x1, [x0, #176]
+// CHECK-NEXT: 10028: {{.*}} add x0, x0, #176
+// CHECK-NEXT: 1002c: {{.*}} blr x1
+
+ .section .tbss,"awT",@nobits
+ .type local1,@object
+ .p2align 2
+local1:
+ .word 0
+ .size local1, 4
+
+ .type local2,@object
+ .p2align 3
+local2:
+ .xword 0
+ .size local2, 8
+
+
+// 0x1000 + 4096 + 160 = 0x20A0
+// 0x1000 + 4096 + 176 = 0x20B0
// 0x1000 + 4096 + 144 = 0x2090
+// R_AARCH64_TLSDESC - 0x0 -> start of tls block
+// R_AARCH64_TLSDESC - 0x8 -> align (sizeof (local1), 8)
+
// REL: Relocations [
// REL-NEXT: Section (4) .rela.dyn {
-// REL-NEXT: 0x2090 R_AARCH64_TLSDESC a 0x0
+// REL-NEXT: 0x200A0 R_AARCH64_TLSDESC - 0x0
+// REL-NEXT: 0x200B0 R_AARCH64_TLSDESC - 0x8
+// REL-NEXT: 0x20090 R_AARCH64_TLSDESC a 0x0
// REL-NEXT: }
// REL-NEXT: ]