lld/test/MachO/builtin-rename.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t; split-file %s %t
   3
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin \
   5 # RUN:     %t/main.s -o %t/main.o
   6 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin \
   7 # RUN:     %t/renames.s -o %t/renames.o
   8
   9 ## Check that section and segment renames happen as expected
  10 # RUN: %lld                -o %t/ydata %t/main.o %t/renames.o -lSystem
  11 # RUN: %lld -no_data_const -o %t/ndata %t/main.o %t/renames.o -lSystem
  12 # RUN: %lld -no_pie        -o %t/nopie %t/main.o %t/renames.o -lSystem
  13 # RUN: %lld -platform_version macos 10.14 11.0 -o %t/old %t/main.o %t/renames.o -lSystem
  14
  15 # RUN: llvm-objdump --syms %t/ydata | \
  16 # RUN:     FileCheck %s --check-prefixes=CHECK,YDATA
  17 # RUN: llvm-objdump --syms %t/ndata | \
  18 # RUN:     FileCheck %s --check-prefixes=CHECK,NDATA
  19 # RUN: llvm-objdump --syms %t/nopie | \
  20 # RUN:     FileCheck %s --check-prefixes=CHECK,NDATA
  21 # RUN: llvm-objdump --syms %t/old | \
  22 # RUN:     FileCheck %s --check-prefixes=CHECK,NDATA
  23
  24 # CHECK-LABEL: {{^}}SYMBOL TABLE:
  25
  26 # CHECK-DAG: __TEXT,__text __TEXT__StaticInit
  27
  28 # NDATA-DAG: __DATA,__auth_got __DATA__auth_got
  29 # NDATA-DAG: __DATA,__auth_ptr __DATA__auth_ptr
  30 # NDATA-DAG: __DATA,__nl_symbol_ptr __DATA__nl_symbol_ptr
  31 # NDATA-DAG: __DATA,__const __DATA__const
  32 # NDATA-DAG: __DATA,__cfstring __DATA__cfstring
  33 # NDATA-DAG: __DATA,__mod_init_func __DATA__mod_init_func
  34 # NDATA-DAG: __DATA,__mod_term_func __DATA__mod_term_func
  35 # NDATA-DAG: __DATA,__objc_classlist __DATA__objc_classlist
  36 # NDATA-DAG: __DATA,__objc_nlclslist __DATA__objc_nlclslist
  37 # NDATA-DAG: __DATA,__objc_catlist __DATA__objc_catlist
  38 # NDATA-DAG: __DATA,__objc_nlcatlist __DATA__objc_nlcatlist
  39 # NDATA-DAG: __DATA,__objc_protolist __DATA__objc_protolist
  40 # NDATA-DAG: __DATA,__nl_symbol_ptr __IMPORT__pointers
  41
  42 # YDATA-DAG: __DATA_CONST,__auth_got __DATA__auth_got
  43 # YDATA-DAG: __DATA_CONST,__auth_ptr __DATA__auth_ptr
  44 # YDATA-DAG: __DATA_CONST,__nl_symbol_ptr __DATA__nl_symbol_ptr
  45 # YDATA-DAG: __DATA_CONST,__const __DATA__const
  46 # YDATA-DAG: __DATA_CONST,__cfstring __DATA__cfstring
  47 # YDATA-DAG: __DATA_CONST,__mod_init_func __DATA__mod_init_func
  48 # YDATA-DAG: __DATA_CONST,__mod_term_func __DATA__mod_term_func
  49 # YDATA-DAG: __DATA_CONST,__objc_classlist __DATA__objc_classlist
  50 # YDATA-DAG: __DATA_CONST,__objc_nlclslist __DATA__objc_nlclslist
  51 # YDATA-DAG: __DATA_CONST,__objc_catlist __DATA__objc_catlist
  52 # YDATA-DAG: __DATA_CONST,__objc_nlcatlist __DATA__objc_nlcatlist
  53 # YDATA-DAG: __DATA_CONST,__objc_protolist __DATA__objc_protolist
  54 # YDATA-DAG: __DATA_CONST,__nl_symbol_ptr __IMPORT__pointers
  55
  56 ## Check that the SG_READ_ONLY flag is set on __DATA_CONST.
  57 # RUN: llvm-otool -v -l %t/ydata | \
  58 # RUN:     FileCheck %s --check-prefix=FLAGS
  59
  60 # FLAGS-LABEL: Load command 2
  61 # FLAGS-NEXT:      cmd LC_SEGMENT_64
  62 # FLAGS-NEXT:  cmdsize
  63 # FLAGS-NEXT:  segname __DATA_CONST
  64 # FLAGS-NEXT:   vmaddr
  65 # FLAGS-NEXT:   vmsize
  66 # FLAGS-NEXT:  fileoff
  67 # FLAGS-NEXT: filesize
  68 # FLAGS-NEXT:  maxprot rw-
  69 # FLAGS-NEXT: initprot rw-
  70 # FLAGS-NEXT:   nsects 13
  71 # FLAGS-NEXT:    flags SG_READ_ONLY
  72
  73 ## LLD doesn't support defining symbols in synthetic sections, so we test them
  74 ## via this slightly more awkward route.
  75 # RUN: llvm-readobj --section-headers %t/ydata | \
  76 # RUN:     FileCheck %s --check-prefix=SYNTH -DSEGNAME=__DATA_CONST
  77 # RUN: llvm-readobj --section-headers %t/ndata | \
  78 # RUN:     FileCheck %s --check-prefix=SYNTH -DSEGNAME=__DATA
  79 # RUN: llvm-readobj --section-headers %t/nopie | \
  80 # RUN:     FileCheck %s --check-prefix=SYNTH -DSEGNAME=__DATA
  81 # RUN: llvm-readobj --section-headers %t/old | \
  82 # RUN:     FileCheck %s --check-prefix=SYNTH -DSEGNAME=__DATA
  83
  84 # SYNTH:      Name: __got
  85 # SYNTH-NEXT: Segment: [[SEGNAME]] ({{.*}})
  86 ## Note that __la_symbol_ptr always remains in the non-const data segment.
  87 # SYNTH:      Name: __la_symbol_ptr
  88 # SYNTH-NEXT: Segment: __DATA ({{.*}})
  89
  90 #--- renames.s
  91 .section __DATA,__auth_got
  92 .global __DATA__auth_got
  93 __DATA__auth_got:
  94   .space 8
  95
  96 .section __DATA,__auth_ptr
  97 .global __DATA__auth_ptr
  98 __DATA__auth_ptr:
  99   .space 8
 100
 101 .section __DATA,__nl_symbol_ptr
 102 .global __DATA__nl_symbol_ptr
 103 __DATA__nl_symbol_ptr:
 104   .space 8
 105
 106 .section __DATA,__const
 107 .global __DATA__const
 108 __DATA__const:
 109   .space 8
 110
 111 .section __DATA,__cfstring
 112 .global __DATA__cfstring
 113 __DATA__cfstring:
 114   .space 8
 115
 116 .section __DATA,__mod_init_func,mod_init_funcs
 117 .global __DATA__mod_init_func
 118 __DATA__mod_init_func:
 119   .space 8
 120
 121 .section __DATA,__mod_term_func,mod_term_funcs
 122 .global __DATA__mod_term_func
 123 __DATA__mod_term_func:
 124   .space 8
 125
 126 .section __DATA,__objc_classlist
 127 .global __DATA__objc_classlist
 128 __DATA__objc_classlist:
 129   .space 8
 130
 131 .section __DATA,__objc_nlclslist
 132 .global __DATA__objc_nlclslist
 133 __DATA__objc_nlclslist:
 134   .space 8
 135
 136 .section __DATA,__objc_catlist
 137 .global __DATA__objc_catlist
 138 __DATA__objc_catlist:
 139   .space 8
 140
 141 .section __DATA,__objc_nlcatlist
 142 .global __DATA__objc_nlcatlist
 143 __DATA__objc_nlcatlist:
 144   .space 8
 145
 146 .section __DATA,__objc_protolist
 147 .global __DATA__objc_protolist
 148 __DATA__objc_protolist:
 149   .space 8
 150
 151 ## __objc_imageinfo should get moved under __DATA_CONST as well, but symbols
 152 ## within __objc_imageinfo get dropped during link, so we are cannot test this
 153 ## case using the output of `llvm-objdump --syms`. TODO: rewrite test to use
 154 ## `llvm-readobj --section-headers`, which will avoid this issue.
 155 # .section __DATA,__objc_imageinfo
 156 # .global __DATA__objc_imageinfo
 157 # __DATA__objc_imageinfo:
 158 #   .space 8
 159
 160 .section __IMPORT,__pointers,non_lazy_symbol_pointers
 161 .global __IMPORT__pointers
 162 __IMPORT__pointers:
 163   .space 8
 164
 165 .section __TEXT,__StaticInit
 166 .section __TEXT,__StaticInit
 167 .global __TEXT__StaticInit
 168 __TEXT__StaticInit:
 169   .space 8
 170
 171 #--- main.s
 172 .text
 173 .global _main
 174 _main:
 175   mov ___nan@GOTPCREL(%rip), %rax ## ensure the __got section is created
 176   callq ___isnan ## ensure the __la_symbol_ptr section is created
 177   ret