lld/test/ELF/linkerscript/noload.s

   1 # REQUIRES: x86
   2 # RUN: split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/asm -o %t.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/mismatch.s -o %t/mismatch.o
   5 # RUN: ld.lld --script %t/lds %t.o -o %t/out
   6 # RUN: llvm-readelf -S -l %t/out | FileCheck %s
   7
   8 # CHECK:      Name                 Type   Address          Off               Size
   9 # CHECK:      .data_noload_a       NOBITS 0000000000000000 [[OFF:[0-9a-f]+]] 001000
  10 # CHECK-NEXT: .data_noload_b       NOBITS 0000000000010000 [[OFF]]           001000
  11 # CHECK-NEXT: .no_input_sec_noload NOBITS 0000000000011000 [[OFF]]           000001
  12
  13 # CHECK:      Type Offset   VirtAddr           PhysAddr
  14 # CHECK-NEXT: LOAD 0x001000 0x0000000000000000 0x0000000000000000
  15 # CHECK-NEXT: LOAD 0x001000 0x0000000000020000 0x0000000000020000
  16
  17 # CHECK:      00 .data_noload_a .data_noload_b .no_input_sec_noload {{$}}
  18 # CHECK:      01 .text {{$}}
  19
  20 ## The output SHT_PROBITS is contrary to the user expectation of SHT_NOBITS.
  21 ## Issue a warning. See https://github.com/ClangBuiltLinux/linux/issues/1597
  22 # RUN: ld.lld --script %t/lds %t.o %t/mismatch.o -o %t/out 2>&1 | FileCheck %s --check-prefix=WARN --allow-empty
  23 # RUN: llvm-readelf -S -l %t/out | FileCheck %s --check-prefix=CHECK2
  24
  25 # WARN-NOT:   warning:
  26 # CHECK2:      Name                 Type     Address          Off               Size
  27 # CHECK2:      .data_noload_a       NOBITS   0000000000000000 [[OFF:[0-9a-f]+]] 001001
  28
  29 #--- asm
  30 .section .text,"ax",@progbits
  31   nop
  32
  33 .section .data_noload_a,"aw",@nobits
  34 .zero 4096
  35
  36 .section .data_noload_b,"aw",@nobits
  37 .zero 4096
  38
  39 #--- mismatch.s
  40 .section .data_noload_a,"aw",@progbits
  41 .byte 1
  42
  43 #--- lds
  44 SECTIONS {
  45   .data_noload_a (NOLOAD) : { *(.data_noload_a) }
  46   .data_noload_b (0x10000) (NOLOAD) : { *(.data_noload_b) }
  47   .no_input_sec_noload (NOLOAD) : { . += 1; }
  48   .text (0x20000) : {
  49     *(.text);
  50     _start = .;
  51   }
  52 }