lld/test/ELF/ppc64-toc-call-to-pcrel.s

   1 # REQUIRES: ppc
   2 # RUN: echo 'SECTIONS { \
   3 # RUN:       .text_callee 0x10010000 : { *(.text_callee) } \
   4 # RUN:       .text_caller 0x10020000 : { *(.text_caller) } \
   5 # RUN:       }' > %t.script
   6
   7 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o
   8 # RUN: ld.lld -T %t.script %t.o -o %t
   9 # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL
  10 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
  11
  12 # RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t.o
  13 # RUN: ld.lld -T %t.script %t.o -o %t
  14 # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL
  15 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
  16
  17 # RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t.o
  18 # RUN: ld.lld -T %t.script %t.o -o %t --no-power10-stubs
  19 # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL
  20 # RUN: llvm-objdump -d --no-show-raw-insn %t \
  21 # RUN: | FileCheck %s
  22
  23 # The point of this test is to make sure that when a function with TOC access
  24 # a local function with st_other=1, a TOC save stub is inserted.
  25
  26 # SYMBOL: Symbol table '.symtab' contains 7 entries
  27 # SYMBOL: 10010000     0 NOTYPE  LOCAL  DEFAULT [<other: 0x20>]   1 callee
  28 # SYMBOL: 10020000     0 NOTYPE  LOCAL  DEFAULT [<other: 0x60>]   2 caller
  29 # SYMBOL: 10020020     0 NOTYPE  LOCAL  DEFAULT [<other: 0x60>]   2 caller_14
  30 # SYMBOL: 10020040     8 FUNC    LOCAL  DEFAULT                   2 __toc_save_callee
  31
  32 # CHECK-LABEL: <callee>:
  33 # CHECK:       blr
  34
  35 # CHECK-LABEL: <caller>:
  36 # CHECK:       bl 0x10020040 <__toc_save_callee>
  37 # CHECK-NEXT:  ld 2, 24(1)
  38 # CHECK-NEXT:  blr
  39
  40 # CHECK-LABEL: <caller_14>:
  41 # CHECK:       bfl 0, 0x10020040 <__toc_save_callee>
  42 # CHECK-NEXT:  ld 2, 24(1)
  43 # CHECK-NEXT:  blr
  44
  45 # CHECK-LABEL: <__toc_save_callee>:
  46 # CHECK-NEXT:  std 2, 24(1)
  47 # CHECK-NEXT:  b 0x10010000 <callee>
  48
  49 .section .text_callee, "ax", %progbits
  50 callee:
  51   .localentry callee, 1
  52   blr
  53
  54 .section .text_caller, "ax", %progbits
  55 caller:
  56 .Lfunc_gep1:
  57   addis 2, 12, .TOC.-.Lfunc_gep1@ha
  58   addi 2, 2, .TOC.-.Lfunc_gep1@l
  59 .Lfunc_lep1:
  60   .localentry caller, .Lfunc_lep1-.Lfunc_gep1
  61   addis 30, 2, global@toc@ha
  62   lwz 3, global@toc@l(30)
  63   bl callee
  64   nop
  65   blr
  66 global:
  67   .long 0
  68
  69 caller_14:
  70 .Lfunc_gep2:
  71   addis 2, 12, .TOC.-.Lfunc_gep1@ha
  72   addi 2, 2, .TOC.-.Lfunc_gep1@l
  73 .Lfunc_lep2:
  74   .localentry caller_14, .Lfunc_lep2-.Lfunc_gep2
  75   addis 30, 2, global@toc@ha
  76   lwz 3, global@toc@l(30)
  77   bcl 4, 0, callee
  78   nop
  79   blr