lld/test/COFF/edata.s

   1 # REQUIRES: x86
   2
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-mingw32 -o %t.o %s
   4 # RUN: lld-link -lldmingw -dll -out:%t.dll %t.o -entry:__ImageBase 2>&1 | FileCheck %s --allow-empty --check-prefix=NOWARNING
   5 # RUN: llvm-readobj --coff-exports %t.dll | FileCheck %s
   6 # RUN: lld-link -lldmingw -dll -out:%t.dll %t.o -entry:__ImageBase -export:otherfunc 2>&1 | FileCheck %s --check-prefix=WARNING
   7 # RUN: llvm-readobj --coff-exports %t.dll | FileCheck %s
   8
   9 # Check that the export table contains the manually crafted content
  10 # instead of the linker generated exports.
  11
  12 # CHECK:      Export {
  13 # CHECK-NEXT:   Ordinal: 1
  14 # CHECK-NEXT:   Name: myfunc
  15 # CHECK-NEXT:   RVA:
  16 # CHECK-NEXT: }
  17 # CHECK-EMPTY:
  18
  19 # NOWARNING-NOT: warning
  20
  21 # WARNING: warning: literal .edata sections override exports
  22
  23     .text
  24     .globl myfunc
  25 myfunc:
  26     ret
  27     .globl otherfunc
  28 otherfunc:
  29     ret
  30
  31 // The object contains a manually crafted .edata section, which exports
  32 // myfunc, not otherfunc.
  33     .section .edata, "drw"
  34     .align 4
  35 exports:
  36     .long 0           // ExportFlags
  37     .long 0           // TimeDateStamp
  38     .long 0           // MajorVersion + MinorVersion
  39     .rva name         // NameRVA
  40     .long 1           // OrdinalBase
  41     .long 1           // AddressTableEntries
  42     .long 1           // NumberOfNamePointers
  43     .rva functions    // ExportAddressTableRVA
  44     .rva names        // NamePointerRVA
  45     .rva nameordinals // OrdinalTableRVA
  46
  47 names:
  48     .rva funcname_myfunc
  49
  50 nameordinals:
  51     .short 0
  52
  53 functions:
  54     .rva myfunc
  55     .long 0
  56
  57 funcname_myfunc:
  58     .asciz "myfunc"
  59
  60 name:
  61     .asciz "mydll.dll"