test/ELF/mips-64-rels.s

   1 # REQUIRES: mips
   2 # Check handling multiple MIPS N64 ABI relocations packed
   3 # into the single relocation record.
   4
   5 # RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux %s -o %t.o
   6 # RUN: ld.lld %t.o -o %t.exe
   7 # RUN: llvm-objdump -d -s -t %t.exe | FileCheck %s
   8 # RUN: llvm-readobj -r %t.exe | FileCheck -check-prefix=REL %s
   9
  10 # CHECK:      __start:
  11 # CHECK-NEXT:    20000:   3c 1c 00 01   lui     $gp, 1
  12 #                                                    ^-- 0x20000 - 0x37ff0
  13 #                                                    ^-- 0 - 0xfffffffffffe8010
  14 #                                                    ^-- %hi(0x17ff0)
  15 # CHECK:      loc:
  16 # CHECK-NEXT:    20004:   67 9c 7f f0   daddiu  $gp, $gp, 32752
  17 #                                                    ^-- 0x20000 - 0x37ff0
  18 #                                                    ^-- 0 - 0xfffffffffffe8010
  19 #                                                    ^-- %lo(0x17ff0)
  20
  21 # CHECK:      Contents of section .rodata:
  22 # CHECK-NEXT:  {{[0-9a-f]+}} ffffffff fffe8014
  23 #                            ^-- 0x20004 - 0x37ff0 = 0xfffffffffffe8014
  24
  25 # CHECK: 0000000000020004   .text   00000000 loc
  26 # CHECK: 0000000000037ff0   .got    00000000 .hidden _gp
  27 # CHECK: 0000000000020000   .text   00000000 __start
  28
  29 # REL:      Relocations [
  30 # REL-NEXT: ]
  31
  32   .text
  33   .global  __start
  34 __start:
  35   lui     $gp,%hi(%neg(%gp_rel(__start)))     # R_MIPS_GPREL16
  36                                               # R_MIPS_SUB
  37                                               # R_MIPS_HI16
  38 loc:
  39   daddiu  $gp,$gp,%lo(%neg(%gp_rel(__start))) # R_MIPS_GPREL16
  40                                               # R_MIPS_SUB
  41                                               # R_MIPS_LO16
  42
  43   .section  .rodata,"a",@progbits
  44   .gpdword(loc)                               # R_MIPS_GPREL32
  45                                               # R_MIPS_64