lld/test/ELF/mips-n32-rels.s

   1 # REQUIRES: mips
   2 # Check handling of N32 ABI relocation records.
   3
   4 # RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux \
   5 # RUN:         -target-abi n32 -o %t.o %s
   6 # RUN: echo "SECTIONS { \
   7 # RUN:         . = 0x20000;  .text ALIGN(0x100) : { *(.text) } \
   8 # RUN:       }" > %t.script
   9 # RUN: ld.lld %t.o -script %t.script -o %t.exe
  10 # RUN: llvm-objdump -t -d -s --no-show-raw-insn %t.exe | FileCheck %s
  11 # RUN: llvm-readelf -h %t.exe | FileCheck -check-prefix=ELF %s
  12
  13   .option pic2
  14   .text
  15   .type   __start, @function
  16   .global  __start
  17 __start:
  18   lui     $gp,%hi(%neg(%gp_rel(__start)))     # R_MIPS_GPREL16
  19                                               # R_MIPS_SUB
  20                                               # R_MIPS_HI16
  21 loc:
  22   daddiu  $gp,$gp,%lo(%neg(%gp_rel(__start))) # R_MIPS_GPREL16
  23                                               # R_MIPS_SUB
  24                                               # R_MIPS_LO16
  25
  26   .section  .rodata,"a",@progbits
  27   .gpword(loc)                                # R_MIPS_GPREL32
  28
  29 # CHECK: 00020104 l    .text   00000000 loc
  30 # CHECK: 00028100 l    .got    00000000 .hidden _gp
  31 # CHECK: 00020100 g  F .text   00000000 __start
  32
  33 # CHECK:      Contents of section .rodata:
  34 # CHECK-NEXT:  {{[0-9a-f]+}} ffff8004
  35 #                            ^-- loc - _gp
  36
  37 # CHECK:      Disassembly of section .text:
  38 # CHECK-EMPTY:
  39 # CHECK-NEXT: <__start>:
  40 # CHECK-NEXT:    20100:  lui     $gp, 1
  41 #                                     ^-- 0x20100 - 0x28100
  42 #                                     ^-- 0 - 0xffff8000
  43 #                                     ^-- %hi(0x8000)
  44 # CHECK:      <loc>:
  45 # CHECK-NEXT:    20104:  daddiu  $gp, $gp, -32768
  46 #                                          ^-- 0x20100 - 0x28100
  47 #                                          ^-- 0 - 0xffff8000
  48 #                                          ^-- %lo(0x8000)
  49
  50 # ELF: Class:                ELF32
  51 # ELF: Data:                 2's complement, big endian
  52 # ELF: Version:              1 (current)
  53 # ELF: OS/ABI:               UNIX - System V
  54 # ELF: ABI Version:          0
  55 # ELF: Type:                 EXEC (Executable file)
  56 # ELF: Machine:              MIPS R3000
  57 # ELF: Version:              0x1
  58 # ELF: Entry point address:  0x20100
  59 # ELF: Flags:                0x60000026, pic, cpic, abi2, mips64