lld/test/ELF/many-sections.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t
   3 // RUN: llvm-readobj --symbols %t | FileCheck  %s
   4
   5 // Verify that the symbol _start is in a section with an index >= SHN_LORESERVE.
   6 // CHECK:      Name: _start
   7 // CHECK-NEXT: Value: 0x0
   8 // CHECK-NEXT: Size: 0
   9 // CHECK-NEXT: Binding: Global
  10 // CHECK-NEXT: Type: None
  11 // CHECK-NEXT: Other: 0
  12 // CHECK-NEXT: Section: dm (0xFF00)
  13
  14 // RUN: ld.lld %t -o %t2
  15 // RUN: llvm-readobj --symbols %t2 | FileCheck --check-prefix=LINKED %s
  16
  17 // Test also with a linker script.
  18 // RUN: echo "SECTIONS { . = SIZEOF_HEADERS; .text : { *(.text) } }" > %t.script
  19 // RUN: ld.lld -T %t.script %t -o %t2
  20 // RUN: llvm-readobj --symbols %t2 | FileCheck --check-prefix=LINKED %s
  21
  22 // Test that _start is in the correct section.
  23 // LINKED:      Name: _start
  24 // LINKED-NEXT: Value: 0x0
  25 // LINKED-NEXT: Size: 0
  26 // LINKED-NEXT: Binding: Global
  27 // LINKED-NEXT: Type: None
  28 // LINKED-NEXT: Other: 0
  29 // LINKED-NEXT: Section: dm
  30
  31 .macro gen_sections4 x
  32         .section a\x
  33         .section b\x
  34         .section c\x
  35         .section d\x
  36 .endm
  37
  38 .macro gen_sections8 x
  39         gen_sections4 a\x
  40         gen_sections4 b\x
  41 .endm
  42
  43 .macro gen_sections16 x
  44         gen_sections8 a\x
  45         gen_sections8 b\x
  46 .endm
  47
  48 .macro gen_sections32 x
  49         gen_sections16 a\x
  50         gen_sections16 b\x
  51 .endm
  52
  53 .macro gen_sections64 x
  54         gen_sections32 a\x
  55         gen_sections32 b\x
  56 .endm
  57
  58 .macro gen_sections128 x
  59         gen_sections64 a\x
  60         gen_sections64 b\x
  61 .endm
  62
  63 .macro gen_sections256 x
  64         gen_sections128 a\x
  65         gen_sections128 b\x
  66 .endm
  67
  68 .macro gen_sections512 x
  69         gen_sections256 a\x
  70         gen_sections256 b\x
  71 .endm
  72
  73 .macro gen_sections1024 x
  74         gen_sections512 a\x
  75         gen_sections512 b\x
  76 .endm
  77
  78 .macro gen_sections2048 x
  79         gen_sections1024 a\x
  80         gen_sections1024 b\x
  81 .endm
  82
  83 .macro gen_sections4096 x
  84         gen_sections2048 a\x
  85         gen_sections2048 b\x
  86 .endm
  87
  88 .macro gen_sections8192 x
  89         gen_sections4096 a\x
  90         gen_sections4096 b\x
  91 .endm
  92
  93 .macro gen_sections16384 x
  94         gen_sections8192 a\x
  95         gen_sections8192 b\x
  96 .endm
  97
  98 .macro gen_sections32768 x
  99         gen_sections16384 a\x
 100         gen_sections16384 b\x
 101 .endm
 102
 103         .bss
 104         .section bar
 105
 106 gen_sections32768 a
 107 gen_sections16384 b
 108 gen_sections8192 c
 109 gen_sections4096 d
 110 gen_sections2048 e
 111 gen_sections1024 f
 112 gen_sections512 g
 113 gen_sections128 h
 114 gen_sections64 i
 115 gen_sections32 j
 116 gen_sections16 k
 117 gen_sections8 l
 118 gen_sections4 m
 119
 120 .global _start
 121 _start: