lld/test/ELF/relocatable.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/relocatable.s -o %t2.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/relocatable2.s -o %t3.o
   5 # RUN: ld.lld -r %t1.o %t2.o %t3.o -o %t
   6 # RUN: llvm-readobj --file-headers --sections -l --symbols -r %t | FileCheck %s
   7 # RUN: llvm-objdump --section-headers %t | FileCheck --check-prefix=SECTION %s
   8 # RUN: llvm-objdump --no-print-imm-hex -s -d %t | FileCheck --check-prefix=CHECKTEXT %s
   9
  10 ## Test --relocatable alias
  11 # RUN: ld.lld --relocatable %t1.o %t2.o %t3.o -o %t
  12 # RUN: llvm-readobj --file-headers --sections -l --symbols -r %t | FileCheck %s
  13 # RUN: llvm-objdump --no-print-imm-hex -s -d %t | FileCheck --check-prefix=CHECKTEXT %s
  14
  15 ## Verify that we can use our relocation output as input to produce executable
  16 # RUN: ld.lld -e main %t -o %texec
  17 # RUN: llvm-readobj --file-headers %texec | FileCheck -check-prefix=CHECKEXE %s
  18
  19 # CHECK:       ElfHeader {
  20 # CHECK-NEXT:  Ident {
  21 # CHECK-NEXT:    Magic: (7F 45 4C 46)
  22 # CHECK-NEXT:    Class: 64-bit
  23 # CHECK-NEXT:    DataEncoding: LittleEndian
  24 # CHECK-NEXT:    FileVersion: 1
  25 # CHECK-NEXT:    OS/ABI: SystemV
  26 # CHECK-NEXT:    ABIVersion: 0
  27 # CHECK-NEXT:    Unused: (00 00 00 00 00 00 00)
  28 # CHECK-NEXT:  }
  29 # CHECK-NEXT:  Type: Relocatable
  30 # CHECK-NEXT:  Machine: EM_X86_64
  31 # CHECK-NEXT:  Version: 1
  32 # CHECK-NEXT:  Entry: 0x0
  33 # CHECK-NEXT:  ProgramHeaderOffset: 0x0
  34 # CHECK-NEXT:  SectionHeaderOffset:
  35 # CHECK-NEXT:  Flags [
  36 # CHECK-NEXT:  ]
  37 # CHECK-NEXT:  HeaderSize: 64
  38 # CHECK-NEXT:  ProgramHeaderEntrySize: 0
  39 # CHECK-NEXT:  ProgramHeaderCount: 0
  40 # CHECK-NEXT:  SectionHeaderEntrySize: 64
  41 # CHECK-NEXT:  SectionHeaderCount: 8
  42 # CHECK-NEXT:  StringTableSectionIndex: 6
  43 # CHECK-NEXT:  }
  44
  45 # CHECK:       Relocations [
  46 # CHECK-NEXT:  Section ({{.*}}) .rela.text {
  47 # CHECK-NEXT:    0x3 R_X86_64_32S x 0x0
  48 # CHECK-NEXT:    0xE R_X86_64_32S y 0x0
  49 # CHECK-NEXT:    0x23 R_X86_64_32S xx 0x0
  50 # CHECK-NEXT:    0x2E R_X86_64_32S yy 0x0
  51 # CHECK-NEXT:    0x43 R_X86_64_32S xxx 0x0
  52 # CHECK-NEXT:    0x4E R_X86_64_32S yyy 0x0
  53 # CHECK-NEXT:  }
  54
  55 # SECTION: Sections:
  56 # SECTION: Idx Name          Size     VMA              Type
  57 # SECTION:   0               00000000 0000000000000000
  58 # SECTION:   1 .text         00000056 0000000000000000 TEXT
  59 # SECTION:   2 .rela.text    00000090 0000000000000000
  60 # SECTION:   3 .bss          00000018 0000000000000000 BSS
  61 # SECTION:   4 .note.GNU-stack 00000000 0000000000000000
  62 # SECTION:   5 .symtab       00000168 0000000000000000
  63 # SECTION:   6 .shstrtab     00000041 0000000000000000
  64 # SECTION:   7 .strtab       0000002d 0000000000000000
  65
  66 # CHECKTEXT:      Disassembly of section .text:
  67 # CHECKTEXT-EMPTY:
  68 # CHECKTEXT-NEXT: <main>:
  69 # CHECKTEXT-NEXT: 0: c7 04 25 00 00 00 00 05 00 00 00 movl $5, 0
  70 # CHECKTEXT-NEXT: b: c7 04 25 00 00 00 00 07 00 00 00 movl $7, 0
  71 # CHECKTEXT:      <foo>:
  72 # CHECKTEXT-NEXT: 20: c7 04 25 00 00 00 00 01 00 00 00 movl $1, 0
  73 # CHECKTEXT-NEXT: 2b: c7 04 25 00 00 00 00 02 00 00 00 movl $2, 0
  74 # CHECKTEXT:      <bar>:
  75 # CHECKTEXT-NEXT: 40: c7 04 25 00 00 00 00 08 00 00 00 movl $8, 0
  76 # CHECKTEXT-NEXT: 4b: c7 04 25 00 00 00 00 09 00 00 00 movl $9, 0
  77
  78 # CHECKEXE:       Format: elf64-x86-64
  79 # CHECKEXE-NEXT:  Arch: x86_64
  80 # CHECKEXE-NEXT:  AddressSize: 64bit
  81 # CHECKEXE-NEXT:  LoadName:
  82 # CHECKEXE-NEXT:  ElfHeader {
  83 # CHECKEXE-NEXT:    Ident {
  84 # CHECKEXE-NEXT:      Magic: (7F 45 4C 46)
  85 # CHECKEXE-NEXT:      Class: 64-bit
  86 # CHECKEXE-NEXT:      DataEncoding: LittleEndian
  87 # CHECKEXE-NEXT:      FileVersion: 1
  88 # CHECKEXE-NEXT:      OS/ABI: SystemV (0x0)
  89 # CHECKEXE-NEXT:      ABIVersion: 0
  90 # CHECKEXE-NEXT:      Unused: (00 00 00 00 00 00 00)
  91 # CHECKEXE-NEXT:    }
  92 # CHECKEXE-NEXT:    Type: Executable
  93 # CHECKEXE-NEXT:    Machine: EM_X86_64
  94 # CHECKEXE-NEXT:    Version: 1
  95 # CHECKEXE-NEXT:    Entry: 0x201160
  96 # CHECKEXE-NEXT:    ProgramHeaderOffset: 0x40
  97 # CHECKEXE-NEXT:    SectionHeaderOffset: 0x358
  98 # CHECKEXE-NEXT:    Flags [
  99 # CHECKEXE-NEXT:    ]
 100 # CHECKEXE-NEXT:    HeaderSize: 64
 101 # CHECKEXE-NEXT:    ProgramHeaderEntrySize: 56
 102 # CHECKEXE-NEXT:    ProgramHeaderCount: 5
 103 # CHECKEXE-NEXT:    SectionHeaderEntrySize: 64
 104 # CHECKEXE-NEXT:    SectionHeaderCount: 7
 105 # CHECKEXE-NEXT:    StringTableSectionIndex: 5
 106 # CHECKEXE-NEXT:  }
 107
 108 .text
 109 .type x,@object
 110 .bss
 111 .globl x
 112 .align 4
 113 x:
 114 .long 0
 115 .size x, 4
 116 .type y,@object
 117 .globl y
 118 .align 4
 119 y:
 120 .long 0
 121 .size y, 4
 122
 123 .text
 124 .globl main
 125 .align 16, 0x90
 126 .type main,@function
 127 main:
 128 movl $5, x
 129 movl $7, y
 130
 131 blah:
 132 goo:
 133 abs = 42