[PATCH] D109090: [PPC64] fix/workaround runtime crash on FreeBSD with llvm12 and later

[Alfredo Dal'Ava Júnior via Phabricator via llvm-commits]

adalava added a comment.

It's now avoiding a copy relocation for '__stack_chk_guard':

  Relocation section with addend (.rela.dyn):
  r_offset     r_info       r_type              st_value         st_name + r_addend
  000010020f88 000100000026 R_PPC64_ADDR64      0000000000000000 _init_tls + 0
  000010020f80 000200000026 R_PPC64_ADDR64      0000000000000000 atexit + 0
  000010020f98 000300000026 R_PPC64_ADDR64      0000000000000000 exit + 0
  000010020fa8 000800000026 R_PPC64_ADDR64      0000000000000000 __stack_chk_guard + 0
  ..
  ..
  Symbol table (.dynsym) contains 11 entries:
     Num:    Value          Size Type    Bind   Vis      Ndx Name
       0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT  UND 
       1: 0000000000000000     0 FUNC    GLOBAL DEFAULT  UND _init_tls at FBSD_1.0 (2)
       2: 0000000000000000     0 FUNC    GLOBAL DEFAULT  UND atexit at FBSD_1.0 (2)
       3: 0000000000000000     0 FUNC    GLOBAL DEFAULT  UND exit at FBSD_1.0 (2)
       4: 0000000000000000     0 NOTYPE  WEAK   DEFAULT  UND _Jv_RegisterClasses
       5: 0000000000000000     0 FUNC    GLOBAL DEFAULT  UND ttyname_r at FBSD_1.0 (2)
       6: 0000000000000000     0 FUNC    GLOBAL DEFAULT  UND err at FBSD_1.0 (2)
       7: 0000000000000000     0 FUNC    GLOBAL DEFAULT  UND __stack_chk_fail at FBSD_1.0 (2)
       8: 0000000000000000     0 OBJECT  GLOBAL DEFAULT  UND __stack_chk_guard at FBSD_1.0 (2)
       9: 0000000010030fb0     8 OBJECT  GLOBAL DEFAULT   24 __progname
      10: 0000000010030fc0     8 OBJECT  GLOBAL DEFAULT   26 environ


Repository:
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