lld/test/ELF/mips-pc-relocs.s

   1 # REQUIRES: mips
   2 # Check R_MIPS_PCxxx relocations calculation.
   3
   4 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
   5 # RUN:         -mcpu=mips32r6 %s -o %t1.o
   6 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
   7 # RUN:         -mcpu=mips32r6 %S/Inputs/mips-dynamic.s -o %t2.o
   8 # RUN: echo "SECTIONS { \
   9 # RUN:         . = 0x10000; .text ALIGN(0x10000) : { *(.text) } \
  10 # RUN:         . = 0x30000; .data                : { *(.data) } \
  11 # RUN:       }" > %t.script
  12 # RUN: ld.lld %t1.o %t2.o -script %t.script -o %t.exe
  13 # RUN: llvm-objdump --mcpu=mips32r6 -d -t -s --no-show-raw-insn %t.exe \
  14 # RUN:   | FileCheck %s
  15
  16   .text
  17   .globl  __start
  18 __start:
  19   lwpc      $6, _foo                # R_MIPS_PC19_S2
  20   beqc      $5, $6, _foo            # R_MIPS_PC16
  21   beqzc     $9, _foo                # R_MIPS_PC21_S2
  22   bc        _foo                    # R_MIPS_PC26_S2
  23   aluipc    $2, %pcrel_hi(_foo)     # R_MIPS_PCHI16
  24   addiu     $2, $2, %pcrel_lo(_foo) # R_MIPS_PCLO16
  25
  26   .data
  27   .word _foo+8-.                    # R_MIPS_PC32
  28
  29 # CHECK: 00020000 g       .text           00000000 __start
  30 # CHECK: 00020020 g       .text           00000000 _foo
  31
  32 # CHECK: Contents of section .data:
  33 # CHECK-NEXT: 30000 ffff0028 00000000 00000000 00000000
  34 #                   ^-- 0x20020 + 8 - 0x30000
  35
  36 # CHECK:      Disassembly of section .text:
  37 # CHECK-EMPTY:
  38 # CHECK-NEXT: <__start>:
  39 # CHECK-NEXT:    20000:       lwpc    $6, 32
  40 #                                         ^-- (0x20020-0x20000)>>2
  41 # CHECK-NEXT:    20004:       beqc    $5, $6, 28
  42 #                                             ^-- (0x20020-4-0x20004)>>2
  43 # CHECK-NEXT:    20008:       beqzc   $9, 24
  44 #                                         ^-- (0x20020-4-0x20008)>>2
  45 # CHECK-NEXT:    2000c:       bc      20
  46 #                                     ^-- (0x20020-4-0x2000c)>>2
  47 # CHECK-NEXT:    20010:       aluipc  $2, 0
  48 #                                         ^-- %hi(0x20020-0x20010)
  49 # CHECK-NEXT:    20014:       addiu   $2, $2, 12
  50 #                                             ^-- %lo(0x20020-0x20014)