lld/test/ELF/aarch64-copy.s

   1 // REQUIRES: aarch64
   2 // RUN: llvm-mc -filetype=obj -triple=aarch64-pc-freebsd %s -o %t.o
   3 // RUN: llvm-mc -filetype=obj -triple=aarch64-pc-freebsd %p/Inputs/relocation-copy.s -o %t2.o
   4 // RUN: ld.lld -shared %t2.o -soname fixed-length-string.so -o %t2.so
   5 // RUN: ld.lld --no-relax %t.o %t2.so -o %t
   6 // RUN: llvm-readobj -S -r --symbols %t | FileCheck %s
   7 // RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t | FileCheck --check-prefix=CODE %s
   8 // RUN: llvm-objdump -s --section=.rodata %t | FileCheck --check-prefix=RODATA %s
   9
  10 .text
  11 .globl _start
  12 _start:
  13     adr x1, x
  14     adrp x2, y
  15     add x2, x2, :lo12:y
  16 .rodata
  17     .word z
  18
  19 // CHECK:     Name: .bss
  20 // CHECK-NEXT:     Type: SHT_NOBITS
  21 // CHECK-NEXT:     Flags [
  22 // CHECK-NEXT:       SHF_ALLOC
  23 // CHECK-NEXT:       SHF_WRITE
  24 // CHECK-NEXT:     ]
  25 // CHECK-NEXT:     Address: 0x2303F0
  26 // CHECK-NEXT:     Offset:
  27 // CHECK-NEXT:     Size: 24
  28 // CHECK-NEXT:     Link:
  29 // CHECK-NEXT:     Info:
  30 // CHECK-NEXT:     AddressAlignment: 16
  31
  32 // CHECK: Relocations [
  33 // CHECK-NEXT:   Section ({{.*}}) .rela.dyn {
  34 // CHECK-NEXT:     0x2303F0 R_AARCH64_COPY x 0x0
  35 // CHECK-NEXT:     0x230400 R_AARCH64_COPY y 0x0
  36 // CHECK-NEXT:     0x230404 R_AARCH64_COPY z 0x0
  37 // CHECK-NEXT:   }
  38 // CHECK-NEXT: ]
  39
  40 // CHECK: Symbols [
  41 // CHECK:     Name: x
  42 // CHECK-NEXT:     Value: 0x2303F0
  43 // CHECK-NEXT:     Size: 4
  44 // CHECK-NEXT:     Binding: Global
  45 // CHECK-NEXT:     Type: Object
  46 // CHECK-NEXT:     Other:
  47 // CHECK-NEXT:     Section: .bss
  48 // CHECK:     Name: y
  49 // CHECK-NEXT:     Value: 0x230400
  50 // CHECK-NEXT:     Size: 4
  51 // CHECK-NEXT:     Binding: Global
  52 // CHECK-NEXT:     Type: Object
  53 // CHECK-NEXT:     Other:
  54 // CHECK-NEXT:     Section: .bss
  55 // CHECK:     Name: z
  56 // CHECK-NEXT:     Value: 0x230404
  57 // CHECK-NEXT:     Size: 4
  58 // CHECK-NEXT:     Binding: Global
  59 // CHECK-NEXT:     Type: Object
  60 // CHECK-NEXT:     Other:
  61 // CHECK-NEXT:     Section: .bss
  62 // CHECK: ]
  63
  64 // CODE: Disassembly of section .text:
  65 // CODE-EMPTY:
  66 // CODE-NEXT: <_start>:
  67 // S + A - P = 0x2303f0 + 0 - 0x21031c = 131284
  68 // CODE-NEXT:  21031c: adr  x1, 0x2303f0
  69 // Page(S + A) - Page(P) = Page(0x230400) - Page(0x210320) = 131072
  70 // CODE-NEXT:  210320: adrp x2, 0x230000
  71 // (S + A) & 0xFFF = (0x230400 + 0) & 0xFFF = 1024
  72 // CODE-NEXT:  210324: add  x2, x2, #1024
  73
  74 // RODATA: Contents of section .rodata:
  75 // S(z) = 0x230404
  76 // RODATA-NEXT:  200318 04042300