lld/test/MachO/rename.s

   1 # REQUIRES: x86
   2
   3 # RUN: rm -rf %t; split-file %s %t
   4
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/main.s -o %t.o
   6 # RUN: %lld -o %t.out %t.o
   7
   8 ## Check option format.
   9 # RUN: not %lld \
  10 # RUN:     -rename_section B@GUS_SEG b@gus_sect S/ASHY_SEG st*rry_sect \
  11 # RUN:     -rename_section __FROM_SECT __from_sect __TO_SECT \
  12 # RUN:   -o /dev/null %t.o 2>&1 | FileCheck %s --check-prefix=BAD1
  13
  14 # BAD1-DAG: error: invalid name for segment or section: B@GUS_SEG
  15 # BAD1-DAG: error: invalid name for segment or section: b@gus_sect
  16 # BAD1-DAG: error: invalid name for segment or section: S/ASHY_SEG
  17 # BAD1-DAG: error: invalid name for segment or section: st*rry_sect
  18 # BAD1-DAG: error: invalid name for segment or section: -o
  19 # BAD1-DAG: error: {{.*}}: unhandled file type
  20
  21 # RUN: not %lld \
  22 # RUN:     -rename_segment H#SHY_SEG PL+SSY_SEG \
  23 # RUN:     -rename_segment __FROM_SEG \
  24 # RUN:   -o /dev/null %t.o 2>&1 | FileCheck %s --check-prefix=BAD2
  25
  26 # BAD2-DAG: error: invalid name for segment or section: H#SHY_SEG
  27 # BAD2-DAG: error: invalid name for segment or section: PL+SSY_SEG
  28 # BAD2-DAG: error: invalid name for segment or section: -o
  29 # BAD2-DAG: error: {{.*}}: unhandled file type
  30
  31 ## Check that section and segment renames happen.
  32 # RUN: %lld -lSystem \
  33 # RUN:     -rename_section __FROM_SECT __from_sect __TO_SECT __to_sect \
  34 # RUN:     -rename_segment __FROM_SEG __TO_SEG \
  35 # RUN:     -rename_section __TEXT __cstring __RODATA __cstring \
  36 # RUN:   -o %t.out %t.o
  37 # RUN: llvm-otool -l %t.out | FileCheck %s
  38
  39 # CHECK:      {{^}}Section{{$}}
  40 # CHECK-NEXT: sectname __text
  41 # CHECK-NEXT: segname __TEXT
  42 # CHECK:      {{^}}Section{{$}}
  43 # CHECK-NEXT: sectname __to_sect
  44 # CHECK-NEXT: segname __TO_SECT
  45 # CHECK:      {{^}}Section{{$}}
  46 # CHECK-NEXT: sectname __from_seg
  47 # CHECK-NEXT: segname __TO_SEG
  48 # CHECK:      {{^}}Section{{$}}
  49 # CHECK-NEXT: sectname __cstring
  50 # CHECK-NEXT: segname __RODATA
  51
  52 ## Check interaction between -rename_section and -rename_segment.
  53 ## rename_segment should be applied after rename_section, so the output
  54 ## name of rename_section is renamed by rename_segment.
  55 ## (ld64 leaves an empty __TO_SECT,__to_sect in the output for the intermediate
  56 ## name, but it too writes the actual data to __SEG,__to_sect.)
  57 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/small.s \
  58 # RUN:     -o %t/small.o
  59 # RUN: %lld -dylib \
  60 # RUN:     -rename_section __FROM_SECT __from_sect __TO_SECT __to_sect \
  61 # RUN:     -rename_segment __TO_SECT __SEG \
  62 # RUN:   -o %t.dylib %t/small.o
  63 # RUN: llvm-otool -l %t.dylib | FileCheck --check-prefix=SECTSEGYES %s
  64 # RUN: %lld -dylib \
  65 # RUN:     -rename_segment __TO_SECT __SEG \
  66 # RUN:     -rename_section __FROM_SECT __from_sect __TO_SECT __to_sect \
  67 # RUN:   -o %t.dylib %t/small.o
  68 # RUN: llvm-otool -l %t.dylib | FileCheck --check-prefix=SECTSEGYES %s
  69 # SECTSEGYES:      Section
  70 # SECTSEGYES-NEXT:   sectname __text
  71 # SECTSEGYES-NEXT:    segname __TEXT
  72 # SECTSEGYES:      Section
  73 # SECTSEGYES-NEXT:   sectname __to_sect
  74 # SECTSEGYES-NEXT:    segname __SEG
  75 ## ...but rename_segment has no effect if it doesn't match the name after
  76 ## rename_section is applied.
  77 # RUN: %lld -dylib \
  78 # RUN:     -rename_section __FROM_SECT __from_sect __TO_SECT __to_sect \
  79 # RUN:     -rename_segment __FROM_SECT __SEG \
  80 # RUN:   -o %t.dylib %t/small.o
  81 # RUN: llvm-otool -l %t.dylib | FileCheck --check-prefix=SECTSEGSOME %s
  82 # SECTSEGSOME:      Section
  83 # SECTSEGSOME-NEXT:   sectname __text
  84 # SECTSEGSOME-NEXT:    segname __TEXT
  85 # SECTSEGSOME:      Section
  86 # SECTSEGSOME-NEXT:   sectname __to_sect
  87 # SECTSEGSOME-NEXT:    segname __TO_SECT
  88 ## If rename_section would only match after rename_segment, rename_section has
  89 ## no effect.
  90 # RUN: %lld -dylib \
  91 # RUN:     -rename_section __SEG __from_sect __TO_SECT __to_sect \
  92 # RUN:     -rename_segment __FROM_SECT __SEG \
  93 # RUN:   -o %t.dylib %t/small.o
  94 # RUN: llvm-otool -l %t.dylib | FileCheck --check-prefix=SECTSEGNO %s
  95 # RUN: %lld -dylib \
  96 # RUN:     -rename_segment __FROM_SECT __SEG \
  97 # RUN:     -rename_section __SEG __from_sect __TO_SECT __to_sect \
  98 # RUN:   -o %t.dylib %t/small.o
  99 # RUN: llvm-otool -l %t.dylib | FileCheck --check-prefix=SECTSEGNO %s
 100 # SECTSEGNO:      Section
 101 # SECTSEGNO-NEXT:   sectname __text
 102 # SECTSEGNO-NEXT:    segname __TEXT
 103 # SECTSEGNO:      Section
 104 # SECTSEGNO-NEXT:   sectname __from_sect
 105 # SECTSEGNO-NEXT:    segname __SEG
 106
 107 #--- main.s
 108 .section __FROM_SECT,__from_sect
 109 .global _from_sect
 110 _from_sect:
 111   .space 8
 112
 113 .section __FROM_SEG,__from_seg
 114 .global _from_seg
 115 _from_seg:
 116   .space 8
 117
 118 ## This is a synthetic section; make sure it gets renamed too.
 119 .cstring
 120   .space 8
 121
 122 .text
 123 .global _main
 124 _main:
 125   ret
 126
 127 #--- small.s
 128 .section __FROM_SECT,__from_sect
 129 .global _from_sect
 130 _from_sect:
 131   .space 8