lld/test/ELF/linkerscript/ppc32-got2.s

   1 # REQUIRES: ppc
   2 ## Test .got2 placed in a different output section.
   3
   4 # RUN: rm -rf %t && split-file %s %t
   5 # RUN: llvm-mc -filetype=obj -triple=powerpc %t/a.s -o %t/a.o
   6 # RUN: llvm-mc -filetype=obj -triple=powerpc %t/b.s -o %t/b.o
   7 # RUN: ld.lld -shared -T %t/t %t/a.o %t/b.o -o %t/a.so
   8 # RUN: llvm-readobj -r %t/a.so | FileCheck --check-prefix=RELOC %s
   9 # RUN: llvm-readelf -S %t/a.so | FileCheck --check-prefix=SEC %s
  10
  11 # RELOC:      .rela.plt {
  12 # RELOC-NEXT:   0x1A4 R_PPC_JMP_SLOT f 0x0
  13 # RELOC-NEXT: }
  14
  15 # SEC:      .got    PROGBITS 0000018c
  16 # SEC-NEXT: .rodata PROGBITS 00000198
  17
  18 ## .got2+0x8000-0xb0 = .rodata+4+0x8000-0xb0 = 0x198+4+0x8000-0xb0 = 65536*1-32532
  19 # CHECK:      <_start>:
  20 # CHECK-NEXT:          bcl 20, 31, 0x
  21 # CHECK-NEXT:      b0: mflr 30
  22 # CHECK-NEXT:          addis 30, 30, 1
  23 # CHECK-NEXT:          addi 30, 30, -32532
  24 # CHECK-NEXT:          bl {{.*}} <00008000.got2.plt_pic32.f>
  25
  26 ## &.got[2] - (.got2+0x8000) = &.got[2] - (.rodata+4+0x8000) = 0x1A4 - (0x198+4+0x8000) = -32760
  27 # CHECK:      <00008000.got2.plt_pic32.f>:
  28 # CHECK-NEXT:   lwz 11, -32760(30)
  29 # CHECK-NEXT:   mtctr 11
  30 # CHECK-NEXT:   bctr
  31 # CHECK-NEXT:   nop
  32
  33 #--- a.s
  34 .section .rodata.cst4,"aM",@progbits,4
  35 .long 1
  36
  37 .section .got2,"aw"
  38 .long f
  39
  40 .text
  41 .globl _start, f, g
  42 _start:
  43   bcl 20,31,.L
  44 .L:
  45   mflr 30
  46   addis 30, 30, .got2+0x8000-.L@ha
  47   addi 30, 30, .got2+0x8000-.L@l
  48   bl f+0x8000@plt
  49
  50 #--- b.s
  51 .section .got2,"aw"
  52 .globl f
  53 f:
  54   bl f+0x8000@plt
  55
  56 #--- t
  57 SECTIONS {
  58   .rodata : { *(.rodata .rodata.*) *(.got2) }
  59 }