lld/test/MachO/stabs-icf.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o
   3
   4 # RUN: %lld -lSystem --icf=all %t.o -o %t
   5 # RUN: dsymutil -s %t | FileCheck %s -DDIR=%t -DSRC_PATH=%t.o
   6
   7 # RUN: %lld -lSystem --icf=all %t.o -o %t_icf_stabs --keep-icf-stabs
   8 # RUN: dsymutil -s %t_icf_stabs | FileCheck %s -DDIR=%t_icf_stabs -DSRC_PATH=%t.o --check-prefixes=ICF_STABS
   9
  10 ## This should include no N_FUN entry for _baz (which is ICF'd into _bar),
  11 ## but it does include a SECT EXT entry.
  12 ## NOTE: We do not omit the N_FUN entry for _bar even though it is of size zero.
  13 ##       Only folded symbols get omitted.
  14 ## NOTE: Unlike ld64, we also omit the N_FUN entry for _baz2.
  15 # CHECK:      (N_SO         ) 00      0000   0000000000000000  '/tmp{{[/\\]}}test.cpp'
  16 # CHECK-NEXT: (N_OSO        ) 03      0001   {{.*}} '[[SRC_PATH]]'
  17 # CHECK-NEXT: (N_FUN        ) 01      0000   [[#%.16x,MAIN:]]  '_main'
  18 # CHECK-NEXT: (N_FUN        ) 00      0000   000000000000000b{{$}}
  19 # CHECK-NEXT: (N_FUN        ) 01      0000   [[#%.16x,BAR:]]   '_bar'
  20 # CHECK-NEXT: (N_FUN        ) 00      0000   0000000000000000{{$}}
  21 # CHECK-NEXT: (N_FUN        ) 01      0000   [[#BAR]]          '_bar2'
  22 # CHECK-NEXT: (N_FUN        ) 00      0000   0000000000000001{{$}}
  23 # CHECK-NEXT: (N_SO         ) 01      0000   0000000000000000{{$}}
  24 # CHECK-DAG:  (     SECT EXT) 01      0000   [[#MAIN]]         '_main'
  25 # CHECK-DAG:  (     SECT EXT) 01      0000   [[#BAR]]          '_bar'
  26 # CHECK-DAG:  (     SECT EXT) 01      0000   [[#BAR]]          '_bar2'
  27 # CHECK-DAG:  (     SECT EXT) 01      0000   [[#BAR]]          '_baz'
  28 # CHECK-DAG:  (     SECT EXT) 01      0000   [[#BAR]]          '_baz2'
  29 # CHECK-DAG:  (       {{.*}}) {{[0-9]+}}                 0010   {{[0-9a-f]+}}      '__mh_execute_header'
  30 # CHECK-DAG:  (       {{.*}}) {{[0-9]+}}                 0100   0000000000000000   'dyld_stub_binder'
  31 # CHECK-EMPTY:
  32
  33
  34 # ICF_STABS:      (N_SO         ) 00      0000   0000000000000000  '/tmp{{[/\\]}}test.cpp'
  35 # ICF_STABS-NEXT: (N_OSO        ) 03      0001   {{.*}} '[[SRC_PATH]]'
  36 # ICF_STABS-NEXT: (N_FUN        ) 01      0000   [[#%.16x,MAIN:]]  '_main'
  37 # ICF_STABS-NEXT: (N_FUN        ) 00      0000   000000000000000b{{$}}
  38 # ICF_STABS-NEXT: (N_FUN        ) 01      0000   [[#%.16x,BAR:]]   '_bar'
  39 # ICF_STABS-NEXT: (N_FUN        ) 00      0000   0000000000000000{{$}}
  40 # ICF_STABS-NEXT: (N_FUN        ) 01      0000   [[#BAR]]          '_bar2'
  41 # ICF_STABS-NEXT: (N_FUN        ) 00      0000   0000000000000001{{$}}
  42 # ICF_STABS-NEXT: (N_FUN        ) 01      0000   [[#BAR]]          '_baz'
  43 # ICF_STABS-NEXT: (N_FUN        ) 00      0000   0000000000000000{{$}}
  44 # ICF_STABS-NEXT: (N_FUN        ) 01      0000   [[#BAR]]          '_baz2'
  45 # ICF_STABS-NEXT: (N_FUN        ) 00      0000   0000000000000001{{$}}
  46 # ICF_STABS-NEXT: (N_SO         ) 01      0000   0000000000000000{{$}}
  47 # ICF_STABS-DAG:  (     SECT EXT) 01      0000   [[#MAIN]]         '_main'
  48 # ICF_STABS-DAG:  (     SECT EXT) 01      0000   [[#BAR]]          '_bar'
  49 # ICF_STABS-DAG:  (     SECT EXT) 01      0000   [[#BAR]]          '_bar2'
  50 # ICF_STABS-DAG:  (     SECT EXT) 01      0000   [[#BAR]]          '_baz'
  51 # ICF_STABS-DAG:  (     SECT EXT) 01      0000   [[#BAR]]          '_baz2'
  52 # ICF_STABS-DAG:  (       {{.*}}) {{[0-9]+}}                 0010   {{[0-9a-f]+}}      '__mh_execute_header'
  53 # ICF_STABS-DAG:  (       {{.*}}) {{[0-9]+}}                 0100   0000000000000000   'dyld_stub_binder'
  54 # ICF_STABS-EMPTY:
  55
  56
  57 .text
  58 .globl _bar, _bar2, _baz, _baz2, _main
  59
  60 .subsections_via_symbols
  61
  62 _bar:
  63 _bar2:
  64   ret
  65
  66 _baz:
  67 _baz2:
  68   ret
  69
  70 _main:
  71 Lfunc_begin0:
  72   call _bar
  73   call _baz
  74   ret
  75 Lfunc_end0:
  76
  77 .section  __DWARF,__debug_str,regular,debug
  78   .asciz  "test.cpp"             ## string offset=0
  79   .asciz  "/tmp"                 ## string offset=9
  80 .section  __DWARF,__debug_abbrev,regular,debug
  81 Lsection_abbrev:
  82   .byte  1                       ## Abbreviation Code
  83   .byte  17                      ## DW_TAG_compile_unit
  84   .byte  1                       ## DW_CHILDREN_yes
  85   .byte  3                       ## DW_AT_name
  86   .byte  14                      ## DW_FORM_strp
  87   .byte  27                      ## DW_AT_comp_dir
  88   .byte  14                      ## DW_FORM_strp
  89   .byte  17                      ## DW_AT_low_pc
  90   .byte  1                       ## DW_FORM_addr
  91   .byte  18                      ## DW_AT_high_pc
  92   .byte  6                       ## DW_FORM_data4
  93   .byte  0                       ## EOM(1)
  94   .byte  0                       ## EOM(2)
  95   .byte  0                       ## EOM(3)
  96 .section  __DWARF,__debug_info,regular,debug
  97 .set Lset0, Ldebug_info_end0-Ldebug_info_start0 ## Length of Unit
  98   .long  Lset0
  99 Ldebug_info_start0:
 100   .short  4                       ## DWARF version number
 101 .set Lset1, Lsection_abbrev-Lsection_abbrev ## Offset Into Abbrev. Section
 102   .long  Lset1
 103   .byte  8                       ## Address Size (in bytes)
 104   .byte  1                       ## Abbrev [1] 0xb:0x48 DW_TAG_compile_unit
 105   .long  0                       ## DW_AT_name
 106   .long  9                       ## DW_AT_comp_dir
 107   .quad  Lfunc_begin0            ## DW_AT_low_pc
 108 .set Lset3, Lfunc_end0-Lfunc_begin0     ## DW_AT_high_pc
 109   .long  Lset3
 110   .byte  0                       ## End Of Children Mark
 111 Ldebug_info_end0: