lld/test/ELF/ttext-tdata-tbss.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
   3
   4 ## Show what regular output gives to us.
   5 # RUN: ld.lld %t.o -o %t1
   6 # RUN: llvm-readelf -S -l  %t1 | FileCheck %s
   7 # CHECK:      .rodata   PROGBITS 0000000000200158 000158 000008
   8 # CHECK-NEXT: .text     PROGBITS 0000000000201160 000160 000001
   9 # CHECK-NEXT: .aw       PROGBITS 0000000000202161 000161 000008
  10 # CHECK-NEXT: .data     PROGBITS 0000000000202169 000169 000008
  11 # CHECK-NEXT: .bss      NOBITS   0000000000202171 000171 000008
  12 # CHECK:      Type
  13 # CHECK-NEXT: PHDR
  14 # CHECK-NEXT: LOAD 0x000000 0x0000000000200000
  15
  16 ## If -Ttext is smaller than the image base (which defaults to 0x200000 for -no-pie),
  17 ## the headers will still be allocated, but mapped at a higher address,
  18 ## which may look strange.
  19 # RUN: ld.lld -Ttext 0x0 -Tdata 0x4000 -Tbss 0x8000 %t.o -o %t2
  20 # RUN: llvm-readelf -S -l %t2 | FileCheck %s --check-prefix=USER1
  21 # USER1:      .text   PROGBITS 0000000000000000 001000 000001
  22 # USER1-NEXT: .data   PROGBITS 0000000000004000 002000 000008
  23 # USER1-NEXT: .bss    NOBITS   0000000000008000 002008 000008
  24 # USER1-NEXT: .rodata PROGBITS 0000000000009008 002008 000008
  25 # USER1-NEXT: .aw     PROGBITS 000000000000a010 002010 000008
  26 # USER1:      Type
  27 # USER1-NEXT: PHDR 0x000040 0x0000000000200040
  28 # USER1-NEXT: LOAD 0x000000 0x0000000000200000
  29 # USER1-NEXT: LOAD 0x001000 0x0000000000000000
  30
  31 ## Specify --image-base to make program headers look normal.
  32 # RUN: ld.lld --image-base=0 -Ttext 0x1000 -Tdata 0x4000 -Tbss 0x8000 %t.o -o %t3
  33 # RUN: llvm-readelf -S -l  %t3 | FileCheck %s --check-prefix=USER2
  34 # USER2:      .text   PROGBITS 0000000000001000 001000 000001
  35 # USER2-NEXT: .data   PROGBITS 0000000000004000 002000 000008
  36 # USER2-NEXT: .bss    NOBITS   0000000000008000 002008 000008
  37 # USER2-NEXT: .rodata PROGBITS 0000000000009008 002008 000008
  38 # USER2-NEXT: .aw     PROGBITS 000000000000a010 002010 000008
  39 # USER2:      Type
  40 # USER2-NEXT: PHDR 0x000040 0x0000000000000040
  41 # USER2-NEXT: LOAD 0x000000 0x0000000000000000
  42 # USER2-NEXT: LOAD 0x001000 0x0000000000001000
  43
  44 ## With .text well above 200000 we don't need to change the image base
  45 # RUN: ld.lld -Ttext 0x201000 -z separate-loadable-segments %t.o -o %t4
  46 # RUN: llvm-readelf -S -l %t4 | FileCheck %s --check-prefix=USER3
  47 # USER3:      .text   PROGBITS 0000000000201000 001000 000001
  48 # USER3-NEXT: .rodata PROGBITS 0000000000202000 002000 000008
  49 # USER3-NEXT: .aw     PROGBITS 0000000000203000 003000 000008
  50 # USER3-NEXT: .data   PROGBITS 0000000000203008 003008 000008
  51 # USER3-NEXT: .bss    NOBITS   0000000000203010 003010 000008
  52 # USER3:      Type
  53 # USER3-NEXT: PHDR 0x000040 0x0000000000200040
  54 # USER3-NEXT: LOAD 0x000000 0x0000000000200000
  55 # USER3-NEXT: LOAD 0x001000 0x0000000000201000
  56
  57 .text
  58 .globl _start
  59 _start:
  60  nop
  61
  62 .section .rodata,"a"
  63  .quad 0
  64
  65 .section .aw,"aw"
  66  .quad 0
  67
  68 .section .data,"aw"
  69  .quad 0
  70
  71 .section .bss,"",@nobits
  72  .quad 0