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

   1 # REQUIRES: ppc
   2 # RUN: echo 'SECTIONS { \
   3 # RUN:   .text_func   0x10010000 : { *(.text_func) } \
   4 # RUN:   .text_callee 0x10020000 : { *(.text_callee) } \
   5 # RUN:   .text_caller 0x10030000 : { *(.text_caller) } \
   6 # RUN:   }' > %t.script
   7
   8 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o
   9 # RUN: ld.lld -T %t.script %t.o -o %t
  10 # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL
  11 # RUN: llvm-objdump -d --no-show-raw-insn --mcpu=pwr10 %t | FileCheck %s
  12
  13 # RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t.o
  14 # RUN: ld.lld -T %t.script %t.o -o %t --no-power10-stubs --power10-stubs=yes
  15 # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL
  16 # RUN: llvm-objdump -d --no-show-raw-insn --mcpu=pwr10 %t | FileCheck %s
  17
  18 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o
  19 # RUN: ld.lld -T %t.script %t.o -o %t --power10-stubs=auto --no-power10-stubs
  20 # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL
  21 # RUN: llvm-objdump -d --no-show-raw-insn --mcpu=pwr10 %t \
  22 # RUN: | FileCheck %s --check-prefix=CHECK-NOP10
  23
  24 ## When a function without TOC accesses a function using TOC, an r12 setup stub
  25 ## is inserted
  26
  27 # SYMBOL:      1: 0000000010010000 0 NOTYPE LOCAL DEFAULT 1 func
  28 # SYMBOL-NEXT: 2: 0000000010020000 0 NOTYPE LOCAL DEFAULT [<other: 0x60>] 2 callee
  29 # SYMBOL:      4: 0000000010030000 0 NOTYPE LOCAL DEFAULT [<other: 0x20>] 3 caller
  30 # SYMBOL:      6: 0000000010030010 32 FUNC LOCAL DEFAULT 3 __gep_setup_callee
  31
  32 # CHECK-LABEL: <func>:
  33 # CHECK-NEXT:  blr
  34
  35 # CHECK-LABEL: <callee>:
  36 # CHECK:       bl 0x10010000
  37 # CHECK-NEXT:  addis 4, 2, -1
  38 # CHECK-NEXT:  lwz 4, 32728(4)
  39 # CHECK-NEXT:  blr
  40
  41 # CHECK-LABEL: <caller>:
  42 # CHECK-NEXT:  bl 0x10030010
  43 # CHECK-NEXT:  blr
  44
  45 # CHECK-LABEL: <__gep_setup_callee>:
  46 # CHECK-NEXT:  paddi 12, 0, -65552, 1
  47 # CHECK-NEXT:  mtctr 12
  48 # CHECK-NEXT:  bctr
  49
  50 # CHECK-NOP10-LABEL: <__gep_setup_callee>:
  51 # CHECK-NOP10-NEXT:  mflr 0
  52 # CHECK-NOP10-NEXT:  bcl 20, 31, 0x10030018
  53 # CHECK-NOP10-NEXT:  mflr 11
  54 # CHECK-NOP10-NEXT:  mtlr 12
  55 # CHECK-NOP10-NEXT:  addis 12, 11, -1
  56 # CHECK-NOP10-NEXT:  addi 12, 12, -24
  57 # CHECK-NOP10-NEXT:  mtctr 12
  58 # CHECK-NOP10-NEXT:  bctr
  59
  60 .section .text_func, "ax", %progbits
  61 func:
  62   blr
  63
  64 .section .text_callee, "ax", %progbits
  65 callee:
  66 .Lfunc_gep1:
  67   addis 2, 12, .TOC.-.Lfunc_gep1@ha
  68   addi 2, 2, .TOC.-.Lfunc_gep1@l
  69 .Lfunc_lep1:
  70   .localentry callee, .Lfunc_lep1-.Lfunc_gep1
  71   bl func
  72   addis 4, 2, global@toc@ha
  73   lwz 4, global@toc@l(4)
  74   blr
  75
  76 .section .text_caller, "ax", %progbits
  77 caller:
  78   .localentry caller, 1
  79   bl callee@notoc
  80   blr
  81 global:
  82   .long 0
  83   .size global, 4