llvm/test/MC/LoongArch/Relocations/leb128.s

   1 # RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=-relax %s -o %t
   2 # RUN: llvm-readobj -r -x .alloc_w %t | FileCheck --check-prefixes=CHECK,NORELAX %s
   3 # RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=+relax %s -o %t.relax
   4 # RUN: llvm-readobj -r -x .alloc_w %t.relax | FileCheck --check-prefixes=CHECK,RELAX %s
   5
   6 # RUN: not llvm-mc --filetype=obj --triple=loongarch64 --mattr=-relax --defsym ERR=1 %s -o /dev/null 2>&1 | \
   7 # RUN:   FileCheck %s --check-prefix=ERR
   8 # RUN: not llvm-mc --filetype=obj --triple=loongarch64 --mattr=+relax --defsym ERR=1 %s -o /dev/null 2>&1 | \
   9 # RUN:   FileCheck %s --check-prefix=ERR
  10
  11 # CHECK:      Relocations [
  12 # CHECK-NEXT:   .rela.alloc_w {
  13 # RELAX-NEXT:      0x0 R_LARCH_ADD_ULEB128 w1 0x0
  14 # RELAX-NEXT:      0x0 R_LARCH_SUB_ULEB128 w 0x0
  15 # RELAX-NEXT:      0x1 R_LARCH_ADD_ULEB128 w2 0x0
  16 # RELAX-NEXT:      0x1 R_LARCH_SUB_ULEB128 w1 0x0
  17 # CHECK-NEXT:      0x2 R_LARCH_PCALA_HI20 foo 0x0
  18 # RELAX-NEXT:      0x2 R_LARCH_RELAX - 0x0
  19 # CHECK-NEXT:      0x6 R_LARCH_PCALA_LO12 foo 0x0
  20 # RELAX-NEXT:      0x6 R_LARCH_RELAX - 0x0
  21 # RELAX-NEXT:      0xA R_LARCH_ADD_ULEB128 w2 0x0
  22 # RELAX-NEXT:      0xA R_LARCH_SUB_ULEB128 w1 0x0
  23 # RELAX-NEXT:      0xB R_LARCH_ADD_ULEB128 w2 0x78
  24 # RELAX-NEXT:      0xB R_LARCH_SUB_ULEB128 w1 0x0
  25 # RELAX-NEXT:      0xD R_LARCH_ADD_ULEB128 w1 0x0
  26 # RELAX-NEXT:      0xD R_LARCH_SUB_ULEB128 w2 0x0
  27 # RELAX-NEXT:      0x17 R_LARCH_ADD_ULEB128 w3 0x6F
  28 # RELAX-NEXT:      0x17 R_LARCH_SUB_ULEB128 w2 0x0
  29 # RELAX-NEXT:      0x18 R_LARCH_ADD_ULEB128 w3 0x71
  30 # RELAX-NEXT:      0x18 R_LARCH_SUB_ULEB128 w2 0x0
  31 # CHECK-NEXT:   }
  32 # CHECK-NEXT: ]
  33
  34 # CHECK:        Hex dump of section '.alloc_w':
  35 # NORELAX-NEXT: 0x00000000 02080c00 001a8c01 c0020880 01f8ffff
  36 # NORELAX-NEXT: 0x00000010 ffffffff ffff017f 8101
  37 # RELAX-NEXT:   0x00000000 00000c00 001a8c01 c0020080 00808080
  38 # RELAX-NEXT:   0x00000010 80808080 80800000 8000
  39
  40 .section .alloc_w,"ax",@progbits; w:
  41 .uleb128 w1-w       # w1 is later defined in the same section
  42 .uleb128 w2-w1      # w1 and w2 are separated by a linker relaxable instruction
  43 w1:
  44   la.pcrel $t0, foo
  45 w2:
  46 .uleb128 w2-w1      # 0x08
  47 .uleb128 w2-w1+120  # 0x0180
  48 .uleb128 -(w2-w1)   # 0x01fffffffffffffffff8
  49 .uleb128 w3-w2+111  # 0x7f
  50 .uleb128 w3-w2+113  # 0x0181
  51 w3:
  52
  53 .ifdef ERR
  54 # ERR: :[[#@LINE+1]]:16: error: .uleb128 expression is not absolute
  55 .uleb128 extern-w   # extern is undefined
  56 # ERR: :[[#@LINE+1]]:11: error: .uleb128 expression is not absolute
  57 .uleb128 w-extern
  58 # ERR: :[[#@LINE+1]]:11: error: .uleb128 expression is not absolute
  59 .uleb128 x-w        # x is later defined in another section
  60
  61 .section .alloc_x,"aw",@progbits; x:
  62 # ERR: :[[#@LINE+1]]:11: error: .uleb128 expression is not absolute
  63 .uleb128 y-x
  64 .section .alloc_y,"aw",@progbits; y:
  65 # ERR: :[[#@LINE+1]]:11: error: .uleb128 expression is not absolute
  66 .uleb128 x-y
  67
  68 # ERR: :[[#@LINE+1]]:10: error: .uleb128 expression is not absolute
  69 .uleb128 extern
  70 # ERR: :[[#@LINE+1]]:10: error: .uleb128 expression is not absolute
  71 .uleb128 y
  72 .endif