lld/test/COFF/unwind.test

   1 # RUN: yaml2obj %s -o %t.obj
   2 #
   3 # RUN: lld-link /out:%t.exe /entry:main %t.obj
   4 # RUN: llvm-readobj --file-headers %t.exe | FileCheck -check-prefix=HEADER %s
   5 # RUN: llvm-objdump --unwind-info %t.exe | FileCheck --check-prefix=UNWIND %s
   6 #
   7 # RUN: lld-link /merge:.pdata=.rdata /out:%t.exe /entry:main %t.obj
   8 # RUN: llvm-readobj --file-headers --sections %t.exe | FileCheck -check-prefix=HEADER-MERGE %s
   9 #
  10 # HEADER: ExceptionTableRVA: 0x3000
  11 #
  12 # FIXME: llvm-readobj currently does not understand files with .pdata merged
  13 # into .rdata. But we can at least check that the section headers look correct.
  14 #
  15 # HEADER-MERGE: ExceptionTableRVA: 0x2004
  16 # HEADER-MERGE-NEXT: ExceptionTableSize: 0x30
  17 # HEADER-MERGE: Name: .rdata
  18 # HEADER-MERGE-NEXT: VirtualSize: 0x78
  19 # HEADER-MERGE-NEXT: VirtualAddress: 0x2000
  20 #
  21 # UNWIND: Function Table:
  22 # UNWIND:   Start Address: 0x1000
  23 # UNWIND:   End Address: 0x101b
  24 # UNWIND:   Unwind Info Address: 0x2004
  25 # UNWIND:     Version: 1
  26 # UNWIND:     Flags: 1 UNW_ExceptionHandler
  27 # UNWIND:     Size of prolog: 18
  28 # UNWIND:     Number of Codes: 8
  29 # UNWIND:     Frame register: RBX
  30 # UNWIND:     Frame offset: 0
  31 # UNWIND:     Unwind Codes:
  32 # UNWIND:       0x12: UOP_SetFPReg
  33 # UNWIND:       0x0f: UOP_PushNonVol RBX
  34 # UNWIND:       0x0e: UOP_SaveXMM128 XMM8 [0x0000]
  35 # UNWIND:       0x09: UOP_SaveNonVol RSI [0x0010]
  36 # UNWIND:       0x04: UOP_AllocSmall 24
  37 # UNWIND:       0x00: UOP_PushMachFrame w/o error code
  38 # UNWIND: Function Table:
  39 # UNWIND:   Start Address: 0x1012
  40 # UNWIND:   End Address: 0x1012
  41 # UNWIND:   Unwind Info Address: 0x2020
  42 # UNWIND:     Version: 1
  43 # UNWIND:     Flags: 4 UNW_ChainInfo
  44 # UNWIND:     Size of prolog: 0
  45 # UNWIND:     Number of Codes: 0
  46 # UNWIND:     No frame pointer used
  47 # UNWIND: Function Table:
  48 # UNWIND:   Start Address: 0x101b
  49 # UNWIND:   End Address: 0x101c
  50 # UNWIND:   Unwind Info Address: 0x2030
  51 # UNWIND:     Version: 1
  52 # UNWIND:     Flags: 0
  53 # UNWIND:     Size of prolog: 0
  54 # UNWIND:     Number of Codes: 0
  55 # UNWIND:     No frame pointer used
  56 # UNWIND: Function Table:
  57 # UNWIND:   Start Address: 0x101c
  58 # UNWIND:   End Address: 0x1039
  59 # UNWIND:   Unwind Info Address: 0x2038
  60 # UNWIND:     Version: 1
  61 # UNWIND:     Flags: 0
  62 # UNWIND:     Size of prolog: 14
  63 # UNWIND:     Number of Codes: 6
  64 # UNWIND:     No frame pointer used
  65 # UNWIND:     Unwind Codes:
  66 # UNWIND:       0x0e: UOP_AllocLarge 8454128
  67 # UNWIND:       0x07: UOP_AllocLarge 8190
  68 # UNWIND:       0x00: UOP_PushMachFrame w/o error code
  69
  70 --- !COFF
  71 header:
  72   Machine:         IMAGE_FILE_MACHINE_AMD64
  73   Characteristics: [  ]
  74 sections:
  75   - Name:            .text
  76     Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
  77     Alignment:       4
  78     SectionData:     4883EC184889742410440F110424534889E3488D235B4883C418C3C34881ECF0FF00004881ECF0FF80004881C4F0FF80004881C4F0FF0000C3
  79   - Name:            .xdata
  80     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
  81     Alignment:       4
  82     SectionData:     0912080312030F300E880000096402000422001A000000000000000021000000000000001B000000000000000100000000000000010E06000E11F0FF80000701FE1F001A
  83     Relocations:
  84       - VirtualAddress:  20
  85         SymbolName:      __C_specific_handler
  86         Type:            IMAGE_REL_AMD64_ADDR32NB
  87       - VirtualAddress:  32
  88         SymbolName:      func
  89         Type:            IMAGE_REL_AMD64_ADDR32NB
  90       - VirtualAddress:  36
  91         SymbolName:      func
  92         Type:            IMAGE_REL_AMD64_ADDR32NB
  93       - VirtualAddress:  40
  94         SymbolName:      .xdata
  95         Type:            IMAGE_REL_AMD64_ADDR32NB
  96   - Name:            .pdata
  97     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
  98     Alignment:       4
  99     SectionData:     000000001B0000000000000012000000120000001C00000000000000010000002C000000000000001D00000034000000
 100     Relocations:
 101       - VirtualAddress:  0
 102         SymbolName:      func
 103         Type:            IMAGE_REL_AMD64_ADDR32NB
 104       - VirtualAddress:  4
 105         SymbolName:      func
 106         Type:            IMAGE_REL_AMD64_ADDR32NB
 107       - VirtualAddress:  8
 108         SymbolName:      .xdata
 109         Type:            IMAGE_REL_AMD64_ADDR32NB
 110       - VirtualAddress:  12
 111         SymbolName:      func
 112         Type:            IMAGE_REL_AMD64_ADDR32NB
 113       - VirtualAddress:  16
 114         SymbolName:      func
 115         Type:            IMAGE_REL_AMD64_ADDR32NB
 116       - VirtualAddress:  20
 117         SymbolName:      .xdata
 118         Type:            IMAGE_REL_AMD64_ADDR32NB
 119       - VirtualAddress:  24
 120         SymbolName:      smallFunc
 121         Type:            IMAGE_REL_AMD64_ADDR32NB
 122       - VirtualAddress:  28
 123         SymbolName:      smallFunc
 124         Type:            IMAGE_REL_AMD64_ADDR32NB
 125       - VirtualAddress:  32
 126         SymbolName:      .xdata
 127         Type:            IMAGE_REL_AMD64_ADDR32NB
 128       - VirtualAddress:  36
 129         SymbolName:      allocFunc
 130         Type:            IMAGE_REL_AMD64_ADDR32NB
 131       - VirtualAddress:  40
 132         SymbolName:      allocFunc
 133         Type:            IMAGE_REL_AMD64_ADDR32NB
 134       - VirtualAddress:  44
 135         SymbolName:      .xdata
 136         Type:            IMAGE_REL_AMD64_ADDR32NB
 137   - Name:            .rdata
 138     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
 139     Alignment:       4
 140     SectionData:     00000000
 141 symbols:
 142   - Name:            .text
 143     Value:           0
 144     SectionNumber:   1
 145     SimpleType:      IMAGE_SYM_TYPE_NULL
 146     ComplexType:     IMAGE_SYM_DTYPE_NULL
 147     StorageClass:    IMAGE_SYM_CLASS_STATIC
 148     SectionDefinition:
 149       Length:          57
 150       NumberOfRelocations: 0
 151       NumberOfLinenumbers: 0
 152       CheckSum:        0
 153       Number:          1
 154   - Name:            .xdata
 155     Value:           0
 156     SectionNumber:   2
 157     SimpleType:      IMAGE_SYM_TYPE_NULL
 158     ComplexType:     IMAGE_SYM_DTYPE_NULL
 159     StorageClass:    IMAGE_SYM_CLASS_STATIC
 160     SectionDefinition:
 161       Length:          68
 162       NumberOfRelocations: 4
 163       NumberOfLinenumbers: 0
 164       CheckSum:        0
 165       Number:          2
 166   - Name:            .pdata
 167     Value:           0
 168     SectionNumber:   3
 169     SimpleType:      IMAGE_SYM_TYPE_NULL
 170     ComplexType:     IMAGE_SYM_DTYPE_NULL
 171     StorageClass:    IMAGE_SYM_CLASS_STATIC
 172     SectionDefinition:
 173       Length:          48
 174       NumberOfRelocations: 12
 175       NumberOfLinenumbers: 0
 176       CheckSum:        0
 177       Number:          3
 178   - Name:            func
 179     Value:           0
 180     SectionNumber:   1
 181     SimpleType:      IMAGE_SYM_TYPE_NULL
 182     ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
 183     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
 184   - Name:            __C_specific_handler
 185     Value:           0
 186     SectionNumber:   0
 187     SimpleType:      IMAGE_SYM_TYPE_NULL
 188     ComplexType:     IMAGE_SYM_DTYPE_NULL
 189     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
 190   - Name:            smallFunc
 191     Value:           27
 192     SectionNumber:   1
 193     SimpleType:      IMAGE_SYM_TYPE_NULL
 194     ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
 195     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
 196   - Name:            allocFunc
 197     Value:           28
 198     SectionNumber:   1
 199     SimpleType:      IMAGE_SYM_TYPE_NULL
 200     ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
 201     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
 202   - Name:            main
 203     Value:           0
 204     SectionNumber:   1
 205     SimpleType:      IMAGE_SYM_TYPE_NULL
 206     ComplexType:     IMAGE_SYM_DTYPE_NULL
 207     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
 208   - Name:            __C_specific_handler
 209     Value:           0
 210     SectionNumber:   1
 211     SimpleType:      IMAGE_SYM_TYPE_NULL
 212     ComplexType:     IMAGE_SYM_DTYPE_NULL
 213     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
 214 ...