lld/test/ELF/merge-entsize2.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   3
   4 # RUN: ld.lld %t.o -o %t
   5 # RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC %s
   6 # RUN: llvm-readelf -x .cst %t | FileCheck --check-prefix=HEX %s
   7
   8 # RUN: ld.lld -O0 -r %t.o -o %t1.o
   9 # RUN: llvm-readelf -S %t1.o | FileCheck --check-prefix=SEC %s
  10 # RUN: llvm-readelf -x .cst %t1.o | FileCheck --check-prefix=HEX %s
  11
  12 ## Check that SHF_MERGE sections with the same name, sh_flags and sh_entsize
  13 ## are grouped together and can be merged within the group.
  14
  15 ## .cst 0 and .cst 1 are merged (sh_entsize=4). The result and .cst 2 and
  16 ## combined (sh_entsize=8). The output sh_entsize is 0.
  17 # SEC:   Name  Type     {{.*}} Size   ES Flg Lk Inf Al
  18 # SEC:   .cst  PROGBITS {{.*}} 000020 00  AM  0   0  8
  19
  20 # HEX:      Hex dump of section '.cst':
  21 # HEX-NEXT: 0x{{[0-9a-f]+}} 01000000 00000000 02000000 00000000
  22 # HEX-NEXT: 0x{{[0-9a-f]+}} 01000000 00000000 03000000 00000000
  23
  24 .section .cst,"aM",@progbits,4,unique,0
  25 .align 2
  26 .long 1
  27 .long 0
  28 .long 2
  29
  30 .section .cst,"aM",@progbits,4,unique,1
  31 .align 4
  32 .long 1
  33 .long 0
  34 .long 2
  35
  36 .section .cst,"aM",@progbits,8,unique,2
  37 .align 8
  38 .quad 1
  39 .quad 3