lld/test/ELF/linkerscript/orphan.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t && split-file %s %t && cd %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o
   4
   5 ## .jcr is a relro section and should be placed before other RW sections.
   6 ## .bss is SHT_NOBITS section and should be last RW section, so some space
   7 ## in ELF file could be saved.
   8 # RUN: ld.lld a.o -T text-rw.lds -o text-rw
   9 # RUN: llvm-readelf -S text-rw | FileCheck %s --check-prefix=TEXT-RW
  10 # TEXT-RW:      .interp   PROGBITS 00000000000002{{..}} 0
  11 # TEXT-RW-NEXT: .note.my  NOTE     00000000000002{{..}} 0
  12 # TEXT-RW-NEXT: .text     PROGBITS 00000000000002{{..}} 0
  13 # TEXT-RW-NEXT: .mytext   PROGBITS 00000000000002{{..}} 0
  14 # TEXT-RW-NEXT: .jcr      PROGBITS 00000000000002{{..}} 0
  15 # TEXT-RW-NEXT: .rw1      PROGBITS 0000000000001{{...}} 0
  16 # TEXT-RW-NEXT: .rw2      PROGBITS 0000000000001{{...}} 0
  17 # TEXT-RW-NEXT: .rw3      PROGBITS 0000000000001{{...}} 0
  18 # TEXT-RW-NEXT: .bss      NOBITS   0000000000001{{...}} 0
  19
  20 # RUN: ld.lld a.o -T only-text.lds -o only-text
  21 # RUN: llvm-readelf -S only-text | FileCheck %s --check-prefix=ONLY-TEXT
  22 # ONLY-TEXT:      .interp   PROGBITS 00000000000002{{..}} 0
  23 # ONLY-TEXT-NEXT: .note.my  NOTE     00000000000002{{..}} 0
  24 # ONLY-TEXT-NEXT: .text     PROGBITS 00000000000002{{..}} 0
  25 # ONLY-TEXT-NEXT: .mytext   PROGBITS 00000000000002{{..}} 0
  26 # ONLY-TEXT-NEXT: .jcr      PROGBITS 00000000000002{{..}} 0
  27 # ONLY-TEXT-NEXT: .rw1      PROGBITS 00000000000002{{..}} 0
  28 # ONLY-TEXT-NEXT: .rw2      PROGBITS 00000000000002{{..}} 0
  29 # ONLY-TEXT-NEXT: .rw3      PROGBITS 00000000000002{{..}} 0
  30 # ONLY-TEXT-NEXT: .bss      NOBITS   00000000000002{{..}} 0
  31
  32 # RUN: ld.lld a.o -T text-align.lds -o text-align
  33 # RUN: llvm-readelf -S text-align | FileCheck %s --check-prefix=TEXT-ALIGN
  34 # TEXT-ALIGN:      .interp   PROGBITS 00000000000002{{..}} 0
  35 # TEXT-ALIGN-NEXT: .note.my  NOTE     00000000000002{{..}} 0
  36 # TEXT-ALIGN-NEXT: .text     PROGBITS 00000000000002{{..}} 0
  37 # TEXT-ALIGN-NEXT: .mytext   PROGBITS 0000000000001000     0
  38 # TEXT-ALIGN-NEXT: .jcr      PROGBITS 0000000000001{{...}} 0
  39 # TEXT-ALIGN-NEXT: .rw1      PROGBITS 0000000000001{{...}} 0
  40 # TEXT-ALIGN-NEXT: .rw2      PROGBITS 0000000000001{{...}} 0
  41 # TEXT-ALIGN-NEXT: .rw3      PROGBITS 0000000000001{{...}} 0
  42 # TEXT-ALIGN-NEXT: .bss      NOBITS   0000000000001{{...}} 0
  43
  44 # RUN: ld.lld a.o -T only-rw.lds -o only-rw
  45 # RUN: llvm-readelf -S only-rw | FileCheck %s --check-prefix=ONLY-RW
  46 # ONLY-RW:         .interp   PROGBITS 00000000000002{{..}} 0
  47 # ONLY-RW-NEXT:    .note.my  NOTE     00000000000002{{..}} 0
  48 # ONLY-RW-NEXT:    .text     PROGBITS 00000000000002{{..}} 0
  49 # ONLY-RW-NEXT:    .mytext   PROGBITS 00000000000002{{..}} 0
  50 # ONLY-RW-NEXT:    .jcr      PROGBITS 00000000000002{{..}} 0
  51 # ONLY-RW-NEXT:    .rw1      PROGBITS 00000000000002{{..}} 0
  52 # ONLY-RW-NEXT:    .rw2      PROGBITS 0000000000001{{...}} 0
  53 # ONLY-RW-NEXT:    .rw3      PROGBITS 0000000000001{{...}} 0
  54 # ONLY-RW-NEXT:    .bss      NOBITS   0000000000001{{...}} 0
  55
  56 # RUN: ld.lld a.o -T rw-text.lds -o rw-text
  57 # RUN: llvm-readelf -S rw-text | FileCheck %s --check-prefix=RW-TEXT
  58 # RW-TEXT:      .jcr      PROGBITS 00000000000002{{..}} 0
  59 # RW-TEXT-NEXT: .rw1      PROGBITS 00000000000002{{..}} 0
  60 # RW-TEXT-NEXT: .rw2      PROGBITS 00000000000002{{..}} 0
  61 # RW-TEXT-NEXT: .rw3      PROGBITS 00000000000002{{..}} 0
  62 # RW-TEXT-NEXT: .bss      NOBITS   00000000000002{{..}} 0
  63 # RW-TEXT-NEXT: .interp   PROGBITS 00000000000002{{..}} 0
  64 # RW-TEXT-NEXT: .note.my  NOTE     00000000000002{{..}} 0
  65 # RW-TEXT-NEXT: .text     PROGBITS 0000000000001{{...}} 0
  66 # RW-TEXT-NEXT: .mytext   PROGBITS 0000000000001{{...}} 0
  67
  68 # RUN: ld.lld a.o -T rw-text-rw.lds -o rw-text-rw
  69 # RUN: llvm-readelf -S rw-text-rw | FileCheck %s --check-prefix=RW-TEXT-RW
  70 # RW-TEXT-RW:      .jcr      PROGBITS 00000000000002{{..}} 0
  71 # RW-TEXT-RW-NEXT: .rw1      PROGBITS 00000000000002{{..}} 0
  72 # RW-TEXT-RW-NEXT: .interp   PROGBITS 00000000000002{{..}} 0
  73 # RW-TEXT-RW-NEXT: .note.my  NOTE     00000000000002{{..}} 0
  74 # RW-TEXT-RW-NEXT: .text     PROGBITS 0000000000001{{...}} 0
  75 # RW-TEXT-RW-NEXT: .mytext   PROGBITS 0000000000001{{...}} 0
  76 # RW-TEXT-RW-NEXT: .rw2      PROGBITS 0000000000002{{...}} 0
  77 # RW-TEXT-RW-NEXT: .rw3      PROGBITS 0000000000002{{...}} 0
  78 # RW-TEXT-RW-NEXT: .bss      NOBITS   0000000000002{{...}} 0
  79
  80 #--- a.s
  81 .section .rw1, "aw"; .byte 0
  82 .section .rw2, "aw"; .byte 0
  83 .section .rw3, "aw"; .byte 0
  84 .section .jcr, "aw"; .byte 0
  85 .section .bss, "aw",@nobits; .byte 0
  86 .section .note.my, "a", @note; .byte 0
  87 .section .interp, "a", @progbits; .byte 0
  88 .text; nop
  89 .section .mytext,"ax"; nop
  90
  91 #--- text-rw.lds
  92 SECTIONS {
  93   . = SIZEOF_HEADERS;
  94   .text : { *(.text) }
  95   . = ALIGN(CONSTANT(MAXPAGESIZE));
  96   .rw1 : { *(.rw1) }
  97   .rw2 : { *(.rw2) }
  98 }
  99
 100 #--- only-text.lds
 101 SECTIONS {
 102   . = SIZEOF_HEADERS;
 103   .text : { *(.text) }
 104 }
 105
 106 #--- text-align.lds
 107 SECTIONS {
 108   . = SIZEOF_HEADERS;
 109   .text : { *(.text) }
 110   . = ALIGN(CONSTANT(MAXPAGESIZE));
 111 }
 112
 113 #--- only-rw.lds
 114 SECTIONS {
 115   . = SIZEOF_HEADERS;
 116   .rw1 : { *(.rw1) }
 117   . = ALIGN(CONSTANT(MAXPAGESIZE));
 118 }
 119
 120 #--- rw-text.lds
 121 SECTIONS {
 122   . = SIZEOF_HEADERS;
 123   .rw1 : { *(.rw1) }
 124   . = ALIGN(CONSTANT(MAXPAGESIZE));
 125   .text : { *(.text) }
 126 }
 127
 128 #--- rw-text-rw.lds
 129 SECTIONS {
 130   . = SIZEOF_HEADERS;
 131   .rw1 : { *(.rw1) }
 132   . = ALIGN(CONSTANT(MAXPAGESIZE));
 133   .text : { *(.text) }
 134   . = ALIGN(CONSTANT(MAXPAGESIZE));
 135   .rw2 : { *(.rw2) }
 136 }