lld/test/ELF/aarch64-tlsld-ldst.s

   1 // REQUIRES: aarch64
   2 // RUN: llvm-mc -triple=aarch64-linux-gnu -filetype=obj %s -o %t.o
   3 // RUN: ld.lld %t.o -o %t
   4 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t | FileCheck %s
   5 // RUN: llvm-readelf --symbols %t | FileCheck -check-prefix CHECK-SYMS %s
   6
   7         .text
   8         .globl _start
   9         .type _start, %function
  10 _start:  mrs x8, TPIDR_EL0
  11
  12         add x8, x8, :tprel_hi12:var0
  13         ldr q20, [x8, :tprel_lo12_nc:var0]
  14
  15         add x8, x8, :tprel_hi12:var1
  16         ldr x0, [x8, :tprel_lo12_nc:var1]
  17
  18         add x8, x8, :tprel_hi12:var2
  19         ldr w0, [x8, :tprel_lo12_nc:var2]
  20
  21         add x8, x8, :tprel_hi12:var3
  22         ldrh w0, [x8, :tprel_lo12_nc:var3]
  23
  24         add x8, x8, :tprel_hi12:var4
  25         ldrb w0, [x8, :tprel_lo12_nc:var4]
  26
  27 // CHECK: <_start>:
  28 // CHECK-NEXT:    210158:       mrs     x8, TPIDR_EL0
  29 // 0x0 + c10 = 0xc10       = tcb (16-bytes) + var0
  30 // CHECK-NEXT:    21015c:       add     x8, x8, #0, lsl #12
  31 // CHECK-NEXT:    210160:       ldr     q20, [x8, #3088]
  32 // 0x1000 + 0x820 = 0x1820 = tcb + var1
  33 // CHECK-NEXT:    210164:       add     x8, x8, #1, lsl #12
  34 // CHECK-NEXT:    210168:       ldr     x0, [x8, #2080]
  35 // 0x2000 + 0x428 = 0x2428 = tcb + var2
  36 // CHECK-NEXT:    21016c:       add     x8, x8, #2, lsl #12
  37 // CHECK-NEXT:    210170:       ldr     w0, [x8, #1064]
  38 // 0x3000 + 0x2c  = 0x302c = tcb + var3
  39 // CHECK-NEXT:    210174:       add     x8, x8, #3, lsl #12
  40 // CHECK-NEXT:    210178:       ldrh    w0, [x8, #44]
  41 // 0x3000 + 0xc2e = 0x32ce = tcb + var4
  42 // CHECK-NEXT:    21017c:       add     x8, x8, #3, lsl #12
  43 // CHECK-NEXT:    210180:       ldrb    w0, [x8, #3118]
  44
  45 // CHECK-SYMS:      0000000000000c00     0 TLS     GLOBAL DEFAULT    2 var0
  46 // CHECK-SYMS-NEXT: 0000000000001810     4 TLS     GLOBAL DEFAULT    2 var1
  47 // CHECK-SYMS-NEXT: 0000000000002418     2 TLS     GLOBAL DEFAULT    2 var2
  48 // CHECK-SYMS-NEXT: 000000000000301c     1 TLS     GLOBAL DEFAULT    2 var3
  49 // CHECK-SYMS-NEXT: 0000000000003c1e     0 TLS     GLOBAL DEFAULT    2 var4
  50
  51         .globl var0
  52         .globl var1
  53         .globl var2
  54         .globl var3
  55         .globl var4
  56         .type var0,@object
  57         .type var1,@object
  58         .type var2,@object
  59         .type var3,@object
  60
  61 .section .tbss,"awT",@nobits
  62         .balign 16
  63         .space 1024 * 3
  64 var0:
  65         .quad 0
  66         .quad 0
  67         .size var1, 16
  68         .space 1024 * 3
  69 var1:
  70         .quad 0
  71         .size var1, 8
  72         .space 1024 * 3
  73 var2:
  74         .word 0
  75         .size var1, 4
  76
  77         .space 1024 * 3
  78 var3:
  79         .hword 0
  80         .size var2, 2
  81         .space 1024 * 3
  82 var4:
  83         .byte 0
  84         .size var3, 1
  85         .space 1024 * 3