lld/test/ELF/linkerscript/phdrs.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
   3 # RUN: echo "PHDRS {all PT_LOAD FILEHDR PHDRS ;} \
   4 # RUN:       SECTIONS { \
   5 # RUN:           . = 0x10000200; \
   6 # RUN:           .text : {*(.text*)} :all \
   7 # RUN:           .foo : {*(.foo.*)} :all \
   8 # RUN:           .data : {*(.data.*)} :all}" > %t.script
   9 # RUN: ld.lld -o %t1 --script %t.script %t
  10 # RUN: llvm-readobj -l %t1 | FileCheck %s
  11
  12 ## Check that program headers are not written, unless we explicitly tell
  13 ## lld to do this.
  14 # RUN: echo "PHDRS {all PT_LOAD;} \
  15 # RUN:       SECTIONS { \
  16 # RUN:           . = 0x10000200; \
  17 # RUN:           /DISCARD/ : {*(.text*)}  \
  18 # RUN:           .foo : {*(.foo.*)} :all \
  19 # RUN:       }" > %t.script
  20 # RUN: ld.lld -o %t1 --script %t.script %t
  21 # RUN: llvm-readobj -l %t1 | FileCheck --check-prefix=NOPHDR %s
  22
  23 ## Check the AT(expr)
  24 # RUN: echo "PHDRS {all PT_LOAD FILEHDR PHDRS AT(0x500 + 0x500) ;} \
  25 # RUN:       SECTIONS { \
  26 # RUN:           . = 0x10000200; \
  27 # RUN:           .text : {*(.text*)} :all \
  28 # RUN:           .foo : {*(.foo.*)} :all \
  29 # RUN:           .data : {*(.data.*)} :all}" > %t.script
  30 # RUN: ld.lld -o %t1 --script %t.script %t
  31 # RUN: llvm-readobj -l %t1 | FileCheck --check-prefix=AT %s
  32
  33 # RUN: echo "PHDRS {all PT_LOAD FILEHDR PHDRS ;} \
  34 # RUN:       SECTIONS { \
  35 # RUN:           . = 0x10000200; \
  36 # RUN:           .text : {*(.text*)} :all \
  37 # RUN:           .foo : {*(.foo.*)}  \
  38 # RUN:           .data : {*(.data.*)} }" > %t.script
  39 # RUN: ld.lld -o %t1 --script %t.script %t
  40 # RUN: llvm-readobj -l %t1 | FileCheck --check-prefix=DEFHDR %s
  41
  42 ## Check that error is reported when trying to use phdr which is not listed
  43 ## inside PHDRS {} block
  44 ## TODO: If script doesn't contain PHDRS {} block then default phdr is always
  45 ## created and error is not reported.
  46 # RUN: echo "PHDRS { all PT_LOAD; } \
  47 # RUN:       SECTIONS { .baz : {*(.foo.*)} :bar }" > %t.script
  48 # RUN: not ld.lld -o /dev/null --script %t.script %t 2>&1 | FileCheck --check-prefix=BADHDR %s
  49
  50 # CHECK:     ProgramHeaders [
  51 # CHECK-NEXT:  ProgramHeader {
  52 # CHECK-NEXT:    Type: PT_LOAD (0x1)
  53 # CHECK-NEXT:    Offset: 0x0
  54 # CHECK-NEXT:    VirtualAddress: 0x10000000
  55 # CHECK-NEXT:    PhysicalAddress: 0x10000000
  56 # CHECK-NEXT:    FileSize: 521
  57 # CHECK-NEXT:    MemSize: 521
  58 # CHECK-NEXT:    Flags [ (0x7)
  59 # CHECK-NEXT:      PF_R (0x4)
  60 # CHECK-NEXT:      PF_W (0x2)
  61 # CHECK-NEXT:      PF_X (0x1)
  62 # CHECK-NEXT:    ]
  63
  64 # NOPHDR:     ProgramHeaders [
  65 # NOPHDR-NEXT:  ProgramHeader {
  66 # NOPHDR-NEXT:    Type: PT_LOAD (0x1)
  67 # NOPHDR-NEXT:    Offset: 0x200
  68 # NOPHDR-NEXT:    VirtualAddress: 0x10000200
  69 # NOPHDR-NEXT:    PhysicalAddress: 0x10000200
  70 # NOPHDR-NEXT:    FileSize: 8
  71 # NOPHDR-NEXT:    MemSize: 8
  72 # NOPHDR-NEXT:    Flags [ (0x6)
  73 # NOPHDR-NEXT:      PF_R (0x4)
  74 # NOPHDR-NEXT:      PF_W (0x2)
  75 # NOPHDR-NEXT:    ]
  76 # NOPHDR-NEXT:    Alignment: 4096
  77 # NOPHDR-NEXT:  }
  78 # NOPHDR-NEXT: ]
  79
  80 # AT:       ProgramHeaders [
  81 # AT-NEXT:    ProgramHeader {
  82 # AT-NEXT:      Type: PT_LOAD (0x1)
  83 # AT-NEXT:      Offset: 0x0
  84 # AT-NEXT:      VirtualAddress: 0x10000000
  85 # AT-NEXT:      PhysicalAddress: 0xA00
  86 # AT-NEXT:      FileSize: 521
  87 # AT-NEXT:      MemSize: 521
  88 # AT-NEXT:      Flags [ (0x7)
  89 # AT-NEXT:        PF_R (0x4)
  90 # AT-NEXT:        PF_W (0x2)
  91 # AT-NEXT:        PF_X (0x1)
  92 # AT-NEXT:      ]
  93
  94 ## Check the numetic values for PHDRS.
  95 # RUN: echo "PHDRS {text PT_LOAD FILEHDR PHDRS; foo 0x11223344; } \
  96 # RUN:       SECTIONS { . = SIZEOF_HEADERS; .foo : { *(.foo* .text*) } : text : foo}" > %t1.script
  97 # RUN: ld.lld -o %t2 --script %t1.script %t
  98 # RUN: llvm-readobj -l %t2 | FileCheck --check-prefix=INT-PHDRS %s
  99
 100 # INT-PHDRS:      ProgramHeaders [
 101 # INT-PHDRS:        ProgramHeader {
 102 # INT-PHDRS:           Type: Unknown (0x11223344)
 103 # INT-PHDRS-NEXT:      Offset: 0xB0
 104 # INT-PHDRS-NEXT:      VirtualAddress: 0xB0
 105 # INT-PHDRS-NEXT:      PhysicalAddress: 0xB0
 106 # INT-PHDRS-NEXT:      FileSize:
 107 # INT-PHDRS-NEXT:      MemSize:
 108 # INT-PHDRS-NEXT:      Flags [
 109 # INT-PHDRS-NEXT:        PF_R
 110 # INT-PHDRS-NEXT:        PF_W
 111 # INT-PHDRS-NEXT:        PF_X
 112 # INT-PHDRS-NEXT:      ]
 113 # INT-PHDRS-NEXT:      Alignment:
 114 # INT-PHDRS-NEXT:    }
 115 # INT-PHDRS-NEXT:  ]
 116
 117 # DEFHDR:     ProgramHeaders [
 118 # DEFHDR-NEXT:  ProgramHeader {
 119 # DEFHDR-NEXT:    Type: PT_LOAD (0x1)
 120 # DEFHDR-NEXT:    Offset: 0x0
 121 # DEFHDR-NEXT:    VirtualAddress: 0x10000000
 122 # DEFHDR-NEXT:    PhysicalAddress: 0x10000000
 123 # DEFHDR-NEXT:    FileSize: 521
 124 # DEFHDR-NEXT:    MemSize: 521
 125 # DEFHDR-NEXT:    Flags [ (0x7)
 126 # DEFHDR-NEXT:      PF_R (0x4)
 127 # DEFHDR-NEXT:      PF_W (0x2)
 128 # DEFHDR-NEXT:      PF_X (0x1)
 129 # DEFHDR-NEXT:    ]
 130
 131 # BADHDR:       {{.*}}.script:1: program header 'bar' is not listed in PHDRS
 132
 133 # RUN: echo "PHDRS { text PT_LOAD FOOHDR; }" > %t1.script
 134 # RUN: not ld.lld -o /dev/null --script %t1.script %t 2>&1 | FileCheck --check-prefix=FOOHDR %s
 135 # FOOHDR: error: {{.*}}.script:1: unexpected header attribute: FOOHDR
 136
 137 # RUN: echo "PHDRS { text PT_FOO FOOHDR; }" > %t1.script
 138 # RUN: not ld.lld -o /dev/null --script %t1.script %t 2>&1 | FileCheck --check-prefix=PTFOO %s
 139 # PTFOO: invalid program header type: PT_FOO
 140
 141 .global _start
 142 _start:
 143  nop
 144
 145 .section .foo.1,"a"
 146 foo1:
 147  .long 0
 148
 149 .section .foo.2,"aw"
 150 foo2:
 151  .long 0