lld/test/ELF/mips-plt-r6.s

   1 # REQUIRES: mips
   2 # Check PLT entries generation in case of R6 ABI version.
   3
   4 # RUN: echo "SECTIONS { \
   5 # RUN:         . = 0x10000; .text ALIGN(0x10000) : { *(.text) } \
   6 # RUN:         . = 0x30000; .data                : { *(.data) } \
   7 # RUN:       }" > %t.script
   8
   9 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
  10 # RUN:         -mcpu=mips32r6 %s -o %t1.o
  11 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
  12 # RUN:         -mcpu=mips32r6 %S/Inputs/mips-dynamic.s -o %t2.o
  13 # RUN: ld.lld %t2.o -shared -soname=t.so -o %t.so
  14 # RUN: ld.lld %t1.o %t.so -script %t.script -o %t.exe
  15 # RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t.exe | FileCheck %s --check-prefixes=DEFAULT,CHECK
  16 # RUN: ld.lld %t2.o -shared -soname=t.so -o %t.so -z hazardplt
  17 # RUN: ld.lld %t1.o %t.so -script %t.script -o %t.exe -z hazardplt
  18 # RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t.exe | FileCheck %s --check-prefixes=HAZARDPLT,CHECK
  19
  20 # CHECK:      Disassembly of section .text:
  21 # CHECK-EMPTY:
  22 # CHECK-NEXT: <__start>:
  23 # CHECK-NEXT:   20000:       jal     0x20030
  24 #                                    ^-- 0x20030 gotplt[foo0]
  25 # CHECK-NEXT:   20004:       nop
  26 #
  27 # CHECK-EMPTY:
  28 # CHECK-NEXT: Disassembly of section .plt:
  29 # CHECK-EMPTY:
  30 # CHECK-NEXT: <.plt>:
  31 # CHECK-NEXT:   20010:       aui     $gp, $zero, 3
  32 # CHECK-NEXT:   20014:       lw      $25, 4($gp)
  33 # CHECK-NEXT:   20018:       addiu   $gp, $gp, 4
  34 # CHECK-NEXT:   2001c:       subu    $24, $24, $gp
  35 # CHECK-NEXT:   20020:       move    $15, $ra
  36 # CHECK-NEXT:   20024:       srl     $24, $24, 2
  37 # DEFAULT:      20028:       jalr    $25
  38 # HAZARDPLT:    20028:       jalr.hb $25
  39 # CHECK-NEXT:   2002c:       addiu   $24, $24, -2
  40
  41 # CHECK-NEXT:   20030:       aui     $15, $zero, 3
  42 # CHECK-NEXT:   20034:       lw      $25, 12($15)
  43 # DEFAULT:      20038:       jr      $25
  44 # HAZARDPLT:    20038:       jr.hb   $25
  45 # CHECK-NEXT:   2003c:       addiu   $24, $15, 12
  46
  47   .text
  48   .global __start
  49 __start:
  50   jal foo0        # R_MIPS_26 against 'foo0' from DSO