lld/test/ELF/merge-reloc.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
   3 # RUN: ld.lld %t.o -r -o %t.ro
   4 # RUN: llvm-readelf -S %t.ro | FileCheck %s
   5 # RUN: llvm-objdump -s %t.ro | FileCheck %s --check-prefix=OBJDUMP
   6
   7 # RUN: ld.lld %t.o -o %t
   8 # RUN: llvm-readelf -S %t | FileCheck %s --check-prefix=CHECK-PDE
   9
  10 # CHECK:       [Nr] Name              Type            Address          Off    Size   ES Flg Lk Inf Al
  11 # CHECK-NEXT:  [ 0]                   NULL            0000000000000000 000000 000000 00      0   0  0
  12 # CHECK-NEXT:  [ 1] .text             PROGBITS        0000000000000000 000040 000000 00  AX  0   0  4
  13 # CHECK-NEXT:  [ 2] .rodata.1         PROGBITS        0000000000000000 000040 000004 04  AM  0   0  4
  14 # CHECK-NEXT:  [ 3] .rodata.2         PROGBITS        0000000000000000 000048 000008 08  AM  0   0  8
  15 # CHECK-NEXT:  [ 4] .rodata.cst8      PROGBITS        0000000000000000 000050 000010 00  AM  0   0  1
  16 # CHECK-NEXT:  [ 5] .rela.rodata.cst8 RELA            0000000000000000 000068 000030 18   I  9   4  8
  17 # CHECK-NEXT:  [ 6] .cst4             PROGBITS        0000000000000000 000060 000008 00  AM  0   0  1
  18 # CHECK-NEXT:  [ 7] .rela.cst4        RELA            0000000000000000 000098 000030 18   I  9   6  8
  19
  20 # OBJDUMP:      Contents of section .rodata.1:
  21 # OBJDUMP-NEXT:  0000 42000000                             B...
  22 # OBJDUMP-NEXT: Contents of section .rodata.2:
  23 # OBJDUMP-NEXT:  0000 42000000 42000000                    B...B...
  24 # OBJDUMP-NEXT: Contents of section .rodata.cst8:
  25 # OBJDUMP-NEXT:  0000 00000000 00000000 00000000 00000000  ................
  26 # OBJDUMP:      Contents of section .cst4:
  27 # OBJDUMP-NEXT:  0000 00000000 00000000                    ........
  28
  29 # CHECK-PDE: [ 2] .cst4             PROGBITS        0000000000200140 000140 000008 00  AM  0   0  1
  30
  31 foo:
  32
  33 .section        .rodata.1,"aM",@progbits,4
  34 .align  4
  35 .long 0x42
  36 .long 0x42
  37 .long 0x42
  38
  39 .section        .rodata.2,"aM",@progbits,8
  40 .align  8
  41 .long   0x42
  42 .long   0x42
  43 .long   0x42
  44 .long   0x42
  45
  46 ## Test that we keep a SHT_REL[A] section which relocates a SHF_MERGE section
  47 ## in -r mode. The relocated SHF_MERGE section is handled as non-mergeable.
  48 .section .rodata.cst8,"aM",@progbits,8,unique,0
  49 .quad foo
  50
  51 .section .rodata.cst8,"aM",@progbits,8,unique,1
  52 .quad foo
  53
  54 .section .cst4,"aM",@progbits,4,unique,0
  55 .long foo
  56 .section .cst4,"aM",@progbits,4,unique,1
  57 .long foo