lld/test/ELF/ppc64-call-reach.s

   1 # REQUIRES: ppc
   2
   3 # RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
   4 # RUN: ld.lld --defsym callee=0x12010010 --defsym tail_callee=0x12010020 \
   5 # RUN:   -z separate-code %t.o -o %t
   6 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
   7 # RUN: ld.lld --defsym callee=0x12010010 --defsym tail_callee=0x12010020 \
   8 # RUN:   -z separate-code %t.o -o %t
   9 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
  10 # RUN: ld.lld --defsym callee=0xE010014 --defsym tail_callee=0xE010024 \
  11 # RUN:   -z separate-code %t.o -o %t
  12 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=NEGOFFSET  %s
  13 # RUN: ld.lld --defsym callee=0x12010018 --defsym tail_callee=0x12010028 \
  14 # RUN:   -z separate-code %t.o -o %t
  15 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=THUNK %s
  16 # RUN: llvm-readelf --sections %t | FileCheck --check-prefix=BRANCHLT %s
  17 # RUN: not ld.lld --defsym callee=0x1001002D --defsym tail_callee=0x1001002F \
  18 # RUN:   -z separate-code %t.o -o %t 2>&1 | FileCheck --check-prefix=MISSALIGNED %s
  19
  20 # RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
  21 # RUN: ld.lld --defsym callee=0x12010010 --defsym tail_callee=0x12010020 \
  22 # RUN:   -z separate-code %t.o -o %t
  23 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
  24 # RUN: ld.lld --defsym callee=0x12010010 --defsym tail_callee=0x12010020 \
  25 # RUN:   -z separate-code %t.o -o %t
  26 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
  27 # RUN: ld.lld --defsym callee=0xE010014 --defsym tail_callee=0xE010024 \
  28 # RUN:   -z separate-code %t.o -o %t
  29 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=NEGOFFSET  %s
  30 # RUN: ld.lld --defsym callee=0x12010018 --defsym tail_callee=0x12010028 \
  31 # RUN:   -z separate-code %t.o -o %t
  32 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=THUNK %s
  33 # RUN: llvm-readelf --sections %t | FileCheck --check-prefix=BRANCHLT %s
  34 # RUN: not ld.lld --defsym callee=0x1001002D --defsym tail_callee=0x1001002F \
  35 # RUN:   -z separate-code %t.o -o %t 2>&1 | FileCheck --check-prefix=MISSALIGNED %s
  36
  37 # MISSALIGNED: ld.lld: error: {{.*}}.o:(.text+0x14): improper alignment for relocation R_PPC64_REL24: 0x19 is not aligned to 4 bytes
  38 # MISSALIGNED: ld.lld: error: {{.*}}.o:(.text+0x24): improper alignment for relocation R_PPC64_REL24: 0xB is not aligned to 4 bytes
  39
  40         .global test
  41         .p2align        4
  42         .type   test,@function
  43 test:
  44 .Lgep:
  45         addis 2, 12, .TOC.-.Lgep@ha
  46         addi  2, 2,  .TOC.-.Lgep@l
  47 .Llep:
  48         .localentry test, .Llep-.Lgep
  49         mflr 0
  50         std 0, 16(1)
  51         stdu 1, 32(1)
  52         bl callee
  53         addi 1, 1, 32
  54         ld 0, 16(1)
  55         mtlr 0
  56         b tail_callee
  57
  58 # Check that we are branching to the definitions, and not range-extending
  59 # thunks.
  60 # CHECK-LABEL: test
  61 # CHECK:  10010014:       bl 0x12010010
  62 # CHECK:  10010024:       b  0x12010020
  63
  64 # NEGOFFSET-LABEL: test
  65 # NEGOFFSET:  10010014:       bl 0xe010014
  66 # NEGOFFSET:  10010024:       b  0xe010024
  67
  68 # THUNK-LABEL: <test>:
  69 # THUNK: 10010014:       bl 0x10010030
  70 # THUNK: 10010024:       b 0x10010050
  71
  72 # .branch_lt[0]
  73 # THUNK-LABEL: <__long_branch_callee>:
  74 # THUNK-NEXT: 10010030:       addis 12, 2, 1
  75 # THUNK-NEXT:                 ld 12, -32760(12)
  76 # THUNK-NEXT:                 mtctr 12
  77 # THUNK-NEXT:                 bctr
  78
  79 # .branch_lt[1]
  80 # THUNK-LABEL: <__long_branch_tail_callee>:
  81 # THUNK-NEXT: 10010050:       addis 12, 2, 1
  82 # THUNK-NEXT:                 ld 12, -32752(12)
  83 # THUNK-NEXT:                 mtctr 12
  84 # THUNK-NEXT:                 bctr
  85
  86 # The offset from the TOC to the .branch_lt section  is (-1 << 16) - 32768.
  87 #                Name             Type            Address          Off    Size
  88 # BRANCHLT:     .got              PROGBITS        0000000010020000 020000 000008
  89 # BRANCHLT:     .branch_lt        PROGBITS        0000000010030008 020008 000010
  90 # BRANCHLT-NOT: .plt