lld/test/COFF/crt-dyn-initializer-order.test

   1 # // a.cpp
   2 # #include <iostream>
   3 # #include <vector>
   4 #
   5 # template <int Magic> struct TemplatedObject {
   6 #   static std::vector<TemplatedObject<Magic> *> Instances;
   7 #   TemplatedObject() { Instances.push_back(this); }
   8 # };
   9 #
  10 # using Object = TemplatedObject<0>;
  11 # template <> std::vector<Object *> Object::Instances{};
  12 # Object idle{};
  13 #
  14 # int main() {
  15 #   if (Object::Instances.size() == 0)
  16 #     std::cout << "It's broken" << std::endl;
  17 #   else
  18 #     std::cout << "It works!" << std::endl;
  19 #   return 0;
  20 # }
  21 # // using `clang-cl /c a.cpp | lld-link a.obj` works
  22 # // using `cl /c a.cpp | lld-link a.obj` fails without lld/COFF/Writer.cpp/Writer::sortSectionChunks()
  23
  24 # RUN: yaml2obj %s -o %t.obj
  25 # RUN: yaml2obj %S/Inputs/crt-dyn-initializer-order_1.yaml -o %t1.obj
  26 # RUN: yaml2obj %S/Inputs/crt-dyn-initializer-order_2.yaml -o %t2.obj
  27
  28 # CHECK: Name: .CRT
  29 # CHECK: Characteristics [
  30 # CHECK-NEXT: IMAGE_SCN_CNT_INITIALIZED_DATA
  31 # CHECK-NEXT: IMAGE_SCN_MEM_READ
  32 # CHECK-NEXT: ]
  33 # CHECK-NEXT: SectionData (
  34
  35 # RUN: lld-link /out:%t.dll /entry:__ImageBase /dll %t.obj %t1.obj %t2.obj
  36 # RUN: llvm-readobj --sections --section-data %t.dll | FileCheck %s --check-prefixes CHECK,CASE1
  37 # CASE1-NEXT: 01020304 55701011 1205
  38
  39 # RUN: lld-link /out:%t.dll /entry:__ImageBase /dll %t.obj %t2.obj %t1.obj
  40 # RUN: llvm-readobj --sections --section-data %t.dll | FileCheck %s --check-prefixes CHECK,CASE2
  41 # CASE2-NEXT: 01020304 10111255 7005
  42
  43 # RUN: lld-link /out:%t.dll /entry:__ImageBase /dll %t1.obj %t2.obj %t.obj
  44 # RUN: llvm-readobj --sections --section-data %t.dll | FileCheck %s --check-prefixes CHECK,CASE3
  45 # CASE3-NEXT: 01557010 11120203 0405
  46
  47 # RUN: lld-link /out:%t.dll /entry:__ImageBase /dll %t1.obj %t.obj %t2.obj
  48 # RUN: llvm-readobj --sections --section-data %t.dll | FileCheck %s --check-prefixes CHECK,CASE4
  49 # CASE4-NEXT: 01557002 03041011 1205
  50
  51 # RUN: lld-link /out:%t.dll /entry:__ImageBase /dll %t2.obj %t1.obj %t.obj
  52 # RUN: llvm-readobj --sections --section-data %t.dll | FileCheck %s --check-prefixes CHECK,CASE5
  53 # CASE5-NEXT: 01101112 55700203 0405
  54
  55 # RUN: lld-link /out:%t.dll /entry:__ImageBase /dll %t2.obj %t.obj %t1.obj
  56 # RUN: llvm-readobj --sections --section-data %t.dll | FileCheck %s --check-prefixes CHECK,CASE6
  57 # CASE6-NEXT: 01101112 02030455 7005
  58
  59 # CHECK-NEXT: )
  60
  61 --- !COFF
  62 header:
  63   Machine:         IMAGE_FILE_MACHINE_AMD64
  64   Characteristics: [  ]
  65 sections:
  66   - Name:            '.CRT$XCA'
  67     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
  68     Alignment:       1
  69     SectionData:     01
  70   - Name:            '.CRT$XCU'
  71     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
  72     Alignment:       1
  73     SectionData:     02
  74   - Name:            '.CRT$XCU'
  75     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_LNK_COMDAT ]
  76     Alignment:       1
  77     SectionData:     03
  78   - Name:            '.CRT$XCU'
  79     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
  80     Alignment:       1
  81     SectionData:     04
  82   - Name:            '.CRT$XCZ'
  83     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
  84     Alignment:       1
  85     SectionData:     05
  86 symbols:
  87   - Name:            '.CRT$XCU'
  88     Value:           0
  89     SectionNumber:   3
  90     SimpleType:      IMAGE_SYM_TYPE_NULL
  91     ComplexType:     IMAGE_SYM_DTYPE_NULL
  92     StorageClass:    IMAGE_SYM_CLASS_STATIC
  93     SectionDefinition:
  94       Length:          1
  95       NumberOfRelocations: 0
  96       NumberOfLinenumbers: 0
  97       CheckSum:        1
  98       Number:          2
  99       Selection:       IMAGE_COMDAT_SELECT_ASSOCIATIVE
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