lld/test/COFF/comdat-drectve.s

   1 # REQUIRES: x86
   2
   3 # RUN: llvm-mc -triple=x86_64-windows-gnu %s -filetype=obj -o %t.obj
   4
   5 # RUN: lld-link %t.obj -out:%t.exe -debug:symtab -subsystem:console
   6 # RUN: llvm-readobj --coff-exports %t.exe | FileCheck %s
   7
   8 # CHECK: Name: exportedFunc
   9
  10 ## This assembly snippet has been reduced from what Clang generates from
  11 ## this C snippet, with -fsanitize=address. Normally, the .drectve
  12 ## section would be a regular section - but when compiled with
  13 ## -fsanitize=address, it becomes a comdat section.
  14 ##
  15 # void exportedFunc(void) {}
  16 # void mainCRTStartup(void) {}
  17 # static __attribute__((section(".drectve"), used)) const char export_chkstk[] =
  18 #     "-export:exportedFunc";
  19
  20         .text
  21         .globl  exportedFunc
  22 exportedFunc:
  23         retq
  24
  25         .globl  mainCRTStartup
  26 mainCRTStartup:
  27         retq
  28
  29         .section        .drectve,"dr",one_only,export_chkstk
  30 export_chkstk:
  31         .asciz  "-export:exportedFunc"