lld/test/ELF/partitions.s

   1 // REQUIRES: aarch64, x86
   2 /// Link against a DSO to ensure that sections are not discarded by --gc-sections.
   3 // RUN: llvm-mc %S/Inputs/shared.s -o %ts.o -filetype=obj --triple=x86_64
   4 // RUN: ld.lld -shared -soname=ts %ts.o -o %ts.so
   5 // RUN: llvm-mc %s -o %t.o -filetype=obj --triple=x86_64-unknown-linux
   6 // RUN: ld.lld %t.o %ts.so -o %t --export-dynamic --gc-sections -z max-page-size=65536
   7 // RUN: llvm-readelf -S -s %t | FileCheck %s
   8
   9 // RUN: llvm-mc %S/Inputs/shared.s -o %ts.o -filetype=obj --triple=aarch64
  10 // RUN: ld.lld -shared -soname=ts %ts.o -o %ts.so
  11 // RUN: llvm-mc %s -o %t.o -filetype=obj --triple=aarch64 --crel
  12 // RUN: ld.lld %t.o %ts.so -o %t --export-dynamic --gc-sections
  13 // RUN: llvm-readelf -S -s %t | FileCheck %s
  14
  15 // This is basically lld/docs/partitions.dot in object file form.
  16 // Test that the sections are correctly allocated to partitions.
  17 // part1 and part2 should be aligned to a maximum page size boundary.
  18
  19 // CHECK: [[MAIN:[0-9]+]]] .text
  20 // CHECK: part1 LLVM_PART_EHDR {{[0-9a-f]+}}0000 {{[0-9a-f]+}}0000
  21 // CHECK: [[P1:[0-9]+]]] .text
  22 // CHECK: part2 LLVM_PART_EHDR {{[0-9a-f]+}}0000 {{[0-9a-f]+}}0000
  23 // CHECK: [[P2:[0-9]+]]] .text
  24
  25 // CHECK: Symbol table '.symtab'
  26 // CHECK: [[MAIN]] f3
  27 // CHECK:   [[P1]] f4
  28 // CHECK: [[MAIN]] f5
  29 // CHECK:   [[P2]] f6
  30 // CHECK:   [[P1]] f1
  31 // CHECK:   [[P2]] f2
  32 // CHECK: [[MAIN]] _start
  33
  34 .section .llvm_sympart.f1,"",@llvm_sympart
  35 .asciz "part1"
  36 .quad f1
  37
  38 .section .llvm_sympart.f2,"",@llvm_sympart
  39 .asciz "part2"
  40 .quad f2
  41
  42 .section .text._start,"ax",@progbits
  43 .globl _start
  44 _start:
  45 .quad f3
  46
  47 .section .text.f1,"ax",@progbits
  48 .globl f1
  49 f1:
  50 .quad f3
  51 .quad f4
  52 .quad f5
  53
  54 .section .text.f2,"ax",@progbits
  55 .globl f2
  56 f2:
  57 .quad f3
  58 .quad f5
  59 .quad f6
  60
  61 .section .text.f3,"ax",@progbits
  62 f3:
  63 ret
  64
  65 .section .text.f4,"ax",@progbits
  66 f4:
  67 ret
  68
  69 .section .text.f5,"ax",@progbits
  70 f5:
  71 ret
  72
  73 .section .text.f6,"ax",@progbits
  74 f6:
  75 ret