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

   1 # REQUIRES: mips
   2 # Check less-significant bit setup for microMIPS PLT.
   3
   4 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
   5 # RUN:         -mattr=micromips %S/Inputs/mips-dynamic.s -o %t-dso.o
   6 # RUN: ld.lld %t-dso.o -shared -soname=t.so -o %t.so
   7 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
   8 # RUN:         -mattr=micromips %s -o %t-exe.o
   9 # RUN: echo "SECTIONS { \
  10 # RUN:         . = 0x20000;  .text ALIGN(0x100) : { *(.text) } \
  11 # RUN:         . = 0x20300;  .plt : { *(.plt) } \
  12 # RUN:       }" > %t.script
  13 # RUN: ld.lld %t-exe.o %t.so --script %t.script -o %t.exe
  14 # RUN: llvm-readelf --symbols --dyn-syms -A %t.exe | FileCheck %s
  15 # RUN: llvm-objdump --no-print-imm-hex -d --mattr=micromips --no-show-raw-insn %t.exe \
  16 # RUN:   | FileCheck --check-prefix=ASM %s
  17
  18 # CHECK: Symbol table '.dynsym'
  19 # CHECK:    Num:    Value  Size Type    Bind   Vis                    Ndx Name
  20 # CHECK:      1: 00020321     0 FUNC    GLOBAL DEFAULT [<other: 0x88>] UND foo0
  21
  22 # CHECK: Symbol table '.symtab'
  23 # CHECK:    Num:    Value  Size Type    Bind   Vis                    Ndx Name
  24 # CHECK:      1: 00020210     0 NOTYPE  LOCAL  HIDDEN [<other: 0x82>]   8 foo
  25 # CHECK:      4: 00020200     0 NOTYPE  GLOBAL DEFAULT [<other: 0x80>]   8 __start
  26 # CHECK:      5: 00020320     0 FUNC    GLOBAL DEFAULT [<other: 0x88>] UND foo0
  27
  28 # CHECK: Primary GOT:
  29 # CHECK:  Local entries:
  30 # CHECK:    Address     Access  Initial
  31 # CHECK:            -32744(gp) 00020211
  32
  33 # CHECK: PLT GOT:
  34 # CHECK:  Entries:
  35 # CHECK:    Address  Initial Sym.Val. Type    Ndx Name
  36 # CHECK:            00020301 00020321 FUNC    UND foo0
  37
  38 # ASM:      <__start>:
  39 # ASM-NEXT:    20200:  lw      $8, -32744($gp)
  40 # ASM-NEXT:            addi    $8, $8, 529
  41 # ASM-NEXT:            lui     $8, 2
  42 # ASM-NEXT:            addi    $8, $8, 801
  43 #
  44 # ASM:      <foo>:
  45 # ASM-NEXT:    20210:  jal     0x20320
  46
  47   .text
  48   .set micromips
  49   .global foo
  50   .hidden foo
  51   .global __start
  52 __start:
  53   lw    $t0,%got(foo)($gp)
  54   addi  $t0,$t0,%lo(foo)
  55   lui   $t0,%hi(foo0)
  56   addi  $t0,$t0,%lo(foo0)
  57 foo:
  58   jal   foo0