lld/test/ELF/partitions.s

   1 // REQUIRES: aarch64, x86
   2 // RUN: llvm-mc %s -o %t.o -filetype=obj --triple=x86_64-unknown-linux
   3 // RUN: ld.lld %t.o -o %t --export-dynamic --gc-sections -z max-page-size=65536
   4 // RUN: llvm-readelf -S -s %t | FileCheck %s
   5
   6 // RUN: llvm-mc %s -o %t.o -filetype=obj --triple=aarch64
   7 // RUN: ld.lld %t.o -o %t --export-dynamic --gc-sections
   8 // RUN: llvm-readelf -S -s %t | FileCheck %s
   9
  10 // This is basically lld/docs/partitions.dot in object file form.
  11 // Test that the sections are correctly allocated to partitions.
  12 // part1 and part2 should be aligned to a maximum page size boundary.
  13
  14 // CHECK: [[MAIN:[0-9]+]]] .text
  15 // CHECK: part1 LLVM_PART_EHDR {{[0-9a-f]+}}0000 {{[0-9a-f]+}}0000
  16 // CHECK: [[P1:[0-9]+]]] .text
  17 // CHECK: part2 LLVM_PART_EHDR {{[0-9a-f]+}}0000 {{[0-9a-f]+}}0000
  18 // CHECK: [[P2:[0-9]+]]] .text
  19
  20 // CHECK: Symbol table '.symtab'
  21 // CHECK: [[MAIN]] f3
  22 // CHECK:   [[P1]] f4
  23 // CHECK: [[MAIN]] f5
  24 // CHECK:   [[P2]] f6
  25 // CHECK:   [[P1]] f1
  26 // CHECK:   [[P2]] f2
  27 // CHECK: [[MAIN]] _start
  28
  29 .section .llvm_sympart.f1,"",@llvm_sympart
  30 .asciz "part1"
  31 .quad f1
  32
  33 .section .llvm_sympart.f2,"",@llvm_sympart
  34 .asciz "part2"
  35 .quad f2
  36
  37 .section .text._start,"ax",@progbits
  38 .globl _start
  39 _start:
  40 .quad f3
  41
  42 .section .text.f1,"ax",@progbits
  43 .globl f1
  44 f1:
  45 .quad f3
  46 .quad f4
  47 .quad f5
  48
  49 .section .text.f2,"ax",@progbits
  50 .globl f2
  51 f2:
  52 .quad f3
  53 .quad f5
  54 .quad f6
  55
  56 .section .text.f3,"ax",@progbits
  57 f3:
  58 ret
  59
  60 .section .text.f4,"ax",@progbits
  61 f4:
  62 ret
  63
  64 .section .text.f5,"ax",@progbits
  65 f5:
  66 ret
  67
  68 .section .text.f6,"ax",@progbits
  69 f6:
  70 ret