lld/test/ELF/ppc64-long-branch-rel14.s

   1 # REQUIRES: ppc
   2 # RUN: echo 'SECTIONS { \
   3 # RUN:       .text_low 0x2000: { *(.text_low) } \
   4 # RUN:       .text_high 0xa000 : { *(.text_high) } \
   5 # RUN:       }' > %t.lds
   6
   7 # RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t.o
   8 # RUN: ld.lld -T %t.lds %t.o -o %t
   9 # RUN: llvm-readelf -r %t | FileCheck --check-prefix=SEC %s
  10 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
  11
  12 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o
  13 # RUN: ld.lld -pie -T %t.lds %t.o -o %t
  14 # RUN: llvm-readelf -r %t | FileCheck --check-prefix=SEC %s
  15 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
  16
  17 # SEC: There are no relocations in this file.
  18
  19 # CHECK-LABEL: <_start>:
  20 # CHECK-NEXT:  2000: bt 2, 0x2020
  21 # CHECK-NEXT:        bt+ 2, 0x2020
  22 # CHECK-NEXT:        bf 2, 0xa004
  23 # CHECK-NEXT:        bt 2, 0x2040
  24 # CHECK-NEXT:        blr
  25 # CHECK-NEXT:        trap
  26 # CHECK-NEXT:        trap
  27 # CHECK-NEXT:        trap
  28 # CHECK-EMPTY:
  29 # CHECK-NEXT: <__long_branch_high>:
  30 # CHECK-NEXT:  2020: addis 12, 2, 0
  31 # CHECK-NEXT:        ld 12, {{.*}}(12)
  32 # CHECK-NEXT:        mtctr 12
  33 # CHECK-NEXT:        bctr
  34 # CHECK-NEXT:        ...
  35 # CHECK-EMPTY:
  36
  37 # CHECK-NEXT: <__long_branch_>:
  38 # CHECK-NEXT:  2040: addis 12, 2, 0
  39 # CHECK-NEXT:        ld 12, {{.*}}(12)
  40 # CHECK-NEXT:        mtctr 12
  41 # CHECK-NEXT:        bctr
  42
  43 .section .text_low, "ax", @progbits
  44 .globl _start
  45 _start:
  46 beq high           # Need a thunk
  47 beq+ high          # Need a thunk
  48 bne high
  49 beq .text_high+16  # Need a thunk
  50 blr
  51
  52 # CHECK-LABEL: <.text_high>:
  53 # CHECK-NEXT:      a000: nop
  54 # CHECK-EMPTY:
  55 # CHECK-LABEL: <high>:
  56 # CHECK-NEXT:      a004: bf 0, 0x2008
  57 # CHECK-NEXT:            bt 1, 0x2008
  58
  59 .section .text_high, "ax", @progbits
  60 nop
  61 .globl high
  62 high:
  63 bge .text_low+8    # Need a thunk
  64 bgt .text_low+8    # Need a thunk