lld/test/ELF/linkerscript/phdrs.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 #--- 1.lds
   6 PHDRS {all PT_LOAD FILEHDR PHDRS ;}
   7 SECTIONS {
   8   . = 0x10000200;
   9   .text : {*(.text*)} :all
  10   .foo : {*(.foo.*)} :"all"
  11   .data : {*(.data.*)} : "all"}
  12
  13 # RUN: ld.lld -o 1 -T 1.lds a.o
  14 # RUN: llvm-readelf -Sl 1 | FileCheck %s
  15 # CHECK:      [Nr] Name              Type            Address          Off    Size   ES Flg Lk Inf Al
  16 # CHECK:      [ 1] .text             PROGBITS        0000000010000200 000200 000001 00  AX  0   0  4
  17 # CHECK-NEXT: [ 2] .foo              PROGBITS        0000000010000201 000201 000008 00  WA  0   0  1
  18
  19 # CHECK:      Type           Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
  20 # CHECK-NEXT: LOAD           0x000000 0x0000000010000000 0x0000000010000000 0x000209 0x000209 RWE 0x1000
  21
  22 #--- 2.lds
  23 ## Check that program headers are not written, unless we explicitly tell
  24 ## lld to do this.
  25 PHDRS {all PT_LOAD;}
  26 SECTIONS {
  27     . = 0x10000200;
  28     /DISCARD/ : {*(.text*)}
  29     .foo : {*(.foo.*)} :all
  30 }
  31
  32 # RUN: ld.lld -o 2 -T 2.lds a.o
  33 # RUN: llvm-readelf -l 2 | FileCheck --check-prefix=NOPHDR %s
  34 # NOPHDR:      Type           Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
  35 # NOPHDR-NEXT: LOAD           0x000200 0x0000000010000200 0x0000000010000200 0x000008 0x000008 RW  0x1000
  36
  37 #--- 3.lds
  38 PHDRS {all PT_LOAD FILEHDR PHDRS ;}
  39 SECTIONS {
  40     . = 0x10000200;
  41     .text : {*(.text*)} :all
  42     .foo : {*(.foo.*)}
  43     .data : {*(.data.*)} }
  44
  45 # RUN: ld.lld -o 3 -T 3.lds a.o
  46 # RUN: llvm-readelf -l 3 | FileCheck --check-prefix=DEFHDR %s
  47 # DEFHDR:      Type           Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
  48 # DEFHDR-NEXT: LOAD           0x000000 0x0000000010000000 0x0000000010000000 0x000209 0x000209 RWE 0x1000
  49
  50 #--- at.lds
  51 ## Check the AT(expr)
  52 PHDRS {all PT_LOAD FILEHDR PHDRS AT(0x500 + 0x500) ;}
  53 SECTIONS {
  54     . = 0x10000200;
  55     .text : {*(.text*)} :all
  56     .foo : {*(.foo.*)} :all
  57     .data : {*(.data.*)} :all}
  58
  59 # RUN: ld.lld -o at -T at.lds a.o
  60 # RUN: llvm-readelf -l at | FileCheck --check-prefix=AT %s
  61 # AT:      Type           Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
  62 # AT-NEXT: LOAD           0x000000 0x0000000010000000 0x0000000000000a00 0x000209 0x000209 RWE 0x1000
  63
  64 #--- int.lds
  65 ## Check the numetic values for PHDRS.
  66 PHDRS {text PT_LOAD FILEHDR PHDRS; foo 0x11223344; }
  67 SECTIONS { . = SIZEOF_HEADERS; .foo : { *(.foo* .text*) } : text : foo}
  68
  69 # RUN: ld.lld -o int -T int.lds a.o
  70 # RUN: llvm-readelf -l int | FileCheck --check-prefix=INT-PHDRS %s
  71 # INT-PHDRS:      Type           Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
  72 # INT-PHDRS-NEXT: LOAD           0x000000 0x0000000000000000 0x0000000000000000 0x0000b9 0x0000b9 RWE 0x1000
  73 # INT-PHDRS-NEXT: <unknown>: 0x11223344 0x0000b0 0x00000000000000b0 0x00000000000000b0 0x000009 0x000009 RWE 0x4
  74
  75 #--- unspecified.lds
  76 ## Check that error is reported when trying to use phdr which is not listed
  77 ## inside PHDRS {} block
  78 ## TODO: If script doesn't contain PHDRS {} block then default phdr is always
  79 ## created and error is not reported.
  80 PHDRS { all PT_LOAD; }
  81 SECTIONS { .baz : {*(.foo.*)} :bar }
  82
  83 # RUN: not ld.lld -T unspecified.lds a.o 2>&1 | FileCheck --check-prefix=UNSPECIFIED %s
  84 # UNSPECIFIED: unspecified.lds:6: program header 'bar' is not listed in PHDRS
  85
  86 #--- foohdr.lds
  87 PHDRS { text PT_LOAD FOOHDR; }
  88
  89 # RUN: not ld.lld -T foohdr.lds a.o 2>&1 | FileCheck --check-prefix=FOOHDR %s
  90 # FOOHDR: error: foohdr.lds:1: unexpected header attribute: FOOHDR
  91
  92 #--- pt_foo.lds
  93 PHDRS { text PT_FOO FOOHDR; }
  94
  95 # RUN: not ld.lld -T pt_foo.lds a.o 2>&1 | FileCheck --check-prefix=PTFOO %s --strict-whitespace
  96 #      PTFOO:{{.*}}error: pt_foo.lds:1: invalid program header type: PT_FOO
  97 # PTFOO-NEXT:>>> PHDRS { text PT_FOO FOOHDR; }
  98 # PTFOO-NEXT:>>>              ^
  99
 100 #--- unclosed.lds
 101 PHDRS { text PT_LOAD ;
 102
 103 # RUN: not ld.lld -T unclosed.lds a.o 2>&1 | FileCheck --check-prefix=UNCLOSED %s
 104 #     UNCLOSED:error: unclosed.lds:1: unexpected EOF
 105 # UNCLOSED-NOT:{{.}}
 106
 107 #--- unclosed2.lds
 108 PHDRS { text PT_LOAD
 109
 110 # RUN: not ld.lld -T unclosed2.lds a.o 2>&1 | FileCheck --check-prefix=UNCLOSED2 %s
 111 # UNCLOSED2: error: unclosed2.lds:1: unexpected header attribute:
 112
 113 #--- a.s
 114 .global _start
 115 _start:
 116  nop
 117
 118 .section .foo.1,"a"
 119 foo1:
 120  .long 0
 121
 122 .section .foo.2,"aw"
 123 foo2:
 124  .long 0