lld/test/ELF/ppc64-pcrel-cross-link.s

   1 # REQUIRES: ppc
   2 # RUN: split-file %s %t
   3
   4 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %t/callees.s -o %t-callees.o
   5 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %t/callertoc.s -o %t-callertoc.o
   6 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %t/callernotoc.s -o %t-callernotoc.o
   7 # RUN: ld.lld -T %t/lds %t-callees.o %t-callernotoc.o %t-callertoc.o -o %t-r12setup
   8 # RUN: ld.lld -T %t/ldsswap %t-callees.o %t-callernotoc.o %t-callertoc.o -o %t-r2save
   9
  10 # RUN: llvm-objdump -d --no-show-raw-insn %t-r12setup | \
  11 # RUN:   FileCheck %s --check-prefix=NOSWAP
  12 # RUN: llvm-objdump -d --no-show-raw-insn %t-r2save | \
  13 # RUN:   FileCheck %s --check-prefix=SWAP
  14
  15 ## This test checks that it is possible to mix TOC and NOTOC functions and have
  16 ## the correct thunks for all of the calls.
  17
  18 # NOSWAP-LABEL: 01001000 <func>:
  19 # NOSWAP-NEXT:    blr
  20 # NOSWAP-LABEL: 01002000 <callee_toc>:
  21 # NOSWAP:         bl 0x1001000
  22 # NOSWAP:         blr
  23 # NOSWAP-LABEL: 01002018 <callee_notoc>:
  24 # NOSWAP:         bl 0x1001000
  25 # NOSWAP:         blr
  26 # NOSWAP-LABEL: 10030000 <caller_notoc>:
  27 # NOSWAP-NEXT:    bl 0x10030010
  28 # NOSWAP-NEXT:    bl 0x10030030
  29 # NOSWAP-NEXT:    blr
  30 # NOSWAP-LABEL: 10030010 <__gep_setup_callee_toc>:
  31 # NOSWAP:         bctr
  32 # NOSWAP-LABEL: 10030030 <__gep_setup_callee_notoc>:
  33 # NOSWAP:         bctr
  34 # NOSWAP-LABEL: 10040000 <caller_toc>:
  35 # NOSWAP:         bl 0x10040020
  36 # NOSWAP-NEXT:    nop
  37 # NOSWAP-NEXT:    bl 0x10040040
  38 # NOSWAP-NEXT:    ld 2, 24(1)
  39 # NOSWAP-NEXT:    blr
  40 # NOSWAP-LABEL: 10040020 <__long_branch_callee_toc>:
  41 # NOSWAP:         bctr
  42 # NOSWAP-LABEL: 10040040 <__toc_save_callee_notoc>:
  43 # NOSWAP-NEXT:    std 2, 24(1)
  44 # NOSWAP:         bctr
  45
  46 # SWAP-LABEL: 01001000 <func>:
  47 # SWAP-NEXT:    blr
  48 # SWAP-LABEL: 01002000 <callee_toc>:
  49 # SWAP:         bl 0x1001000
  50 # SWAP:         blr
  51 # SWAP-LABEL: 01002018 <callee_notoc>:
  52 # SWAP:         bl 0x1001000
  53 # SWAP:         blr
  54 # SWAP-LABEL: 10030000 <caller_toc>:
  55 # SWAP:         bl 0x10030020
  56 # SWAP-NEXT:    nop
  57 # SWAP-NEXT:    bl 0x10030040
  58 # SWAP-NEXT:    ld 2, 24(1)
  59 # SWAP-NEXT:    blr
  60 # SWAP-LABEL: 10030020 <__long_branch_callee_toc>:
  61 # SWAP:         bctr
  62 # SWAP-LABEL: 10030040 <__toc_save_callee_notoc>:
  63 # SWAP-NEXT:    std 2, 24(1)
  64 # SWAP:         bctr
  65 # SWAP-LABEL: 10040000 <caller_notoc>:
  66 # SWAP-NEXT:    bl 0x10040010
  67 # SWAP-NEXT:    bl 0x10040030
  68 # SWAP-NEXT:    blr
  69 # SWAP-LABEL: 10040010 <__gep_setup_callee_toc>:
  70 # SWAP:         bctr
  71 # SWAP-LABEL: 10040030 <__gep_setup_callee_notoc>:
  72 # SWAP:         bctr
  73
  74 #--- lds
  75 SECTIONS {
  76   .text_func         0x1001000 : { *(.text_func) }
  77   .text_callee       0x1002000 : { *(.text_callee) }
  78   .text_caller_notoc 0x10030000 : { *(.text_caller_notoc) }
  79   .text_caller_toc   0x10040000 : { *(.text_caller_toc) }
  80 }
  81
  82 #--- ldsswap
  83 SECTIONS {
  84   .text_func         0x1001000 : { *(.text_func) }
  85   .text_callee       0x1002000 : { *(.text_callee) }
  86   .text_caller_toc   0x10030000 : { *(.text_caller_toc) }
  87   .text_caller_notoc 0x10040000 : { *(.text_caller_notoc) }
  88 }
  89
  90 #--- callees.s
  91 .section .text_func, "ax", %progbits
  92 func:
  93   blr
  94
  95 .globl callee_toc
  96 .section .text_callee, "ax", %progbits
  97 callee_toc:
  98 .Lfunc_gep1:
  99   addis 2, 12, .TOC.-.Lfunc_gep1@ha
 100   addi 2, 2, .TOC.-.Lfunc_gep1@l
 101 .Lfunc_lep1:
 102   .localentry callee_toc, .Lfunc_lep1-.Lfunc_gep1
 103   bl func
 104   addis 4, 2, global@toc@ha
 105   lwz 4, global@toc@l(4)
 106   blr
 107
 108 .globl callee_notoc
 109 callee_notoc:
 110   .localentry callee_notoc, 1
 111   bl func
 112   plwz 4, global@pcrel(0), 1
 113   blr
 114
 115 ## .globl global
 116 global:
 117   .long 0
 118   .size global, 4
 119
 120 #--- callernotoc.s
 121 .section .text_caller_notoc, "ax", %progbits
 122 caller_notoc:
 123   .localentry caller, 1
 124   bl callee_toc@notoc
 125   bl callee_notoc@notoc
 126   blr
 127
 128 #--- callertoc.s
 129 .section .text_caller_toc, "ax", %progbits
 130 caller_toc:
 131 .Lfunc_gep2:
 132   addis 2, 12, .TOC.-.Lfunc_gep2@ha
 133   addi 2, 2, .TOC.-.Lfunc_gep2@l
 134 .Lfunc_lep2:
 135   .localentry caller_toc, .Lfunc_lep2-.Lfunc_gep2
 136   bl callee_toc
 137   nop
 138   bl callee_notoc
 139   nop
 140   blr