llvm/test/MC/COFF/section.s

   1 // RUN: llvm-mc -triple i386-pc-win32 -filetype=obj %s | llvm-readobj -S - | FileCheck %s
   2 // RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -S - | FileCheck %s
   3 // RUN: not llvm-mc -triple x86_64-pc-win32 -filetype=obj --defsym ERR=1 %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR
   4
   5 .section .foo$bar; .long 1
   6 .section .foo@bar; .long 1
   7 .section ABCDEFGHIJKLMNOPQRSTUVWXYZ; .long 1
   8 .section abcdefghijklmnopqrstuvwxyz; .long 1
   9 .section _0123456789; .long 1
  10
  11 // CHECK: Sections [
  12 // CHECK:   Section {
  13 // CHECK:     Name: .foo$bar
  14 // CHECK:   }
  15 // CHECK:   Section {
  16 // CHECK:     Name: .foo@bar
  17 // CHECK:   }
  18 // CHECK:   Section {
  19 // CHECK:     Name: ABCDEFGHIJKLMNOPQRSTUVWXYZ
  20 // CHECK:   }
  21 // CHECK:   Section {
  22 // CHECK:     Name: abcdefghijklmnopqrstuvwxyz
  23 // CHECK:   }
  24 // CHECK:   Section {
  25 // CHECK:     Name: _0123456789
  26 // CHECK:   }
  27
  28 // Test that the defaults are used
  29 .section s      ; .long 1
  30 .section s_, "" ; .long 1
  31 .section s_a,"a"; .long 1
  32 .section s_b,"b"; .long 1
  33 .section s_d,"d"; .long 1
  34 .section s_D,"D"; .long 1
  35 .section s_n,"n"; .long 1
  36 .section s_r,"r"; .long 1
  37 .section s_s,"s"; .long 1
  38 .section s_w,"w"; .long 1
  39 .section s_x,"x"; .long 1
  40 .section s_y,"y"; .long 1
  41 .section s_i,"i"; .long 1
  42
  43 // CHECK:        Section {
  44 // CHECK:          Name: s
  45 // CHECK:          Characteristics [
  46 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
  47 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
  48 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
  49 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
  50 // CHECK-NEXT:     ]
  51 // CHECK:        }
  52 // CHECK:        Section {
  53 // CHECK:          Name: s_
  54 // CHECK:          Characteristics [
  55 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
  56 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
  57 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
  58 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
  59 // CHECK-NEXT:     ]
  60 // CHECK:        }
  61 // CHECK:        Section {
  62 // CHECK:          Name: s_a
  63 // CHECK:          Characteristics [
  64 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
  65 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
  66 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
  67 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
  68 // CHECK-NEXT:     ]
  69 // CHECK:        }
  70 // CHECK:        Section {
  71 // CHECK:          Name: s_b
  72 // CHECK:          Characteristics [
  73 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
  74 // CHECK-NEXT:       IMAGE_SCN_CNT_UNINITIALIZED_DATA
  75 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
  76 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
  77 // CHECK-NEXT:     ]
  78 // CHECK:        }
  79 // CHECK:        Section {
  80 // CHECK:          Name: s_d
  81 // CHECK:          Characteristics [
  82 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
  83 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
  84 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
  85 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
  86 // CHECK-NEXT:     ]
  87 // CHECK:        }
  88 // CHECK:        Section {
  89 // CHECK:          Name: s_D
  90 // CHECK:          Characteristics [
  91 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
  92 // CHECK-NEXT:       IMAGE_SCN_MEM_DISCARDABLE
  93 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
  94 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
  95 // CHECK-NEXT:     ]
  96 // CHECK:        }
  97 // CHECK:        Section {
  98 // CHECK:          Name: s_n
  99 // CHECK:          Characteristics [
 100 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 101 // CHECK-NEXT:       IMAGE_SCN_LNK_REMOVE
 102 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
 103 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
 104 // CHECK-NEXT:     ]
 105 // CHECK:        }
 106 // CHECK:        Section {
 107 // CHECK:          Name: s_r
 108 // CHECK:          Characteristics [
 109 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 110 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
 111 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
 112 // CHECK-NEXT:     ]
 113 // CHECK:        }
 114 // CHECK:        Section {
 115 // CHECK:          Name: s_s
 116 // CHECK:          Characteristics [
 117 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 118 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
 119 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
 120 // CHECK-NEXT:       IMAGE_SCN_MEM_SHARED
 121 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
 122 // CHECK-NEXT:     ]
 123 // CHECK:        }
 124 // CHECK:        Section {
 125 // CHECK:          Name: s_w
 126 // CHECK:          Characteristics [
 127 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 128 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
 129 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
 130 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
 131 // CHECK-NEXT:     ]
 132 // CHECK:        }
 133 // CHECK:        Section {
 134 // CHECK:          Name: s_x
 135 // CHECK:          Characteristics [
 136 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 137 // CHECK-NEXT:       IMAGE_SCN_CNT_CODE
 138 // CHECK-NEXT:       IMAGE_SCN_MEM_EXECUTE
 139 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
 140 // CHECK-NEXT:     ]
 141 // CHECK:        }
 142 // CHECK:        Section {
 143 // CHECK:          Name: s_y
 144 // CHECK:          Characteristics [
 145 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 146 // CHECK-NEXT:     ]
 147 // CHECK:        }
 148 // CHECK:        Section {
 149 // CHECK:          Name: s_i
 150 // CHECK:          Characteristics [
 151 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 152 // CHECK-NEXT:       IMAGE_SCN_LNK_INFO
 153 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
 154 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
 155 // CHECK-NEXT:     ]
 156 // CHECK:        }
 157
 158 // w makes read-only to readable
 159 .section s_rw,"rw"; .long 1
 160 // CHECK:        Section {
 161 // CHECK:          Name: s_rw
 162 // CHECK:          Characteristics [
 163 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 164 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
 165 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
 166 // CHECK-NEXT:       IMAGE_SCN_MEM_WRITE
 167 // CHECK-NEXT:     ]
 168 // CHECK:        }
 169
 170 // r cancels w
 171 .section s_wr,"wr"; .long 1
 172 // CHECK:        Section {
 173 // CHECK:          Name: s_wr
 174 // CHECK:          Characteristics [
 175 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 176 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
 177 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
 178 // CHECK-NEXT:     ]
 179 // CHECK:        }
 180
 181 // y cancels both
 182 .section s_rwy,"rwy"; .long 1
 183 // CHECK:        Section {
 184 // CHECK:          Name: s_rwy
 185 // CHECK:          Characteristics [
 186 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 187 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
 188 // CHECK-NEXT:     ]
 189 // CHECK:        }
 190
 191 // Sections starting with ".debug" are implicitly discardable. This is
 192 // compatible with gas.
 193 .section .debug_asdf,"dr"; .long 1
 194 // CHECK:        Section {
 195 // CHECK:          Name: .debug_asdf
 196 // CHECK:          Characteristics [
 197 // CHECK-NEXT:       IMAGE_SCN_ALIGN_1BYTES
 198 // CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
 199 // CHECK-NEXT:       IMAGE_SCN_MEM_DISCARDABLE
 200 // CHECK-NEXT:       IMAGE_SCN_MEM_READ
 201 // CHECK-NEXT:     ]
 202 // CHECK:        }
 203
 204 /// The section name can be quoted.
 205 .section "@#$-{","n"
 206 // CHECK:        Section {
 207 // CHECK-NEXT:     Number:
 208 // CHECK-NEXT:     Name: @#$-{
 209
 210 // CHECK-NOT:    Section {
 211 // CHECK:      ]
 212
 213 .section data1; .quad 0
 214
 215 .pushsection data2; .quad 0
 216 .popsection
 217
 218 // Back to section data1
 219 .quad 2
 220
 221 // CHECK:       Section {
 222 // CHECK-NEXT:    Number:
 223 // CHECK-NEXT:    Name: data1
 224 // CHECK:         RawDataSize: 16
 225
 226 // CHECK:       Section {
 227 // CHECK-NEXT:    Number:
 228 // CHECK-NEXT:    Name: data2
 229 // CHECK:         RawDataSize: 8
 230
 231 .section .data3,"dw"; .quad 1
 232
 233 .pushsection .data4,"dw"; .quad 1
 234 .popsection
 235
 236 .pushsection .data5,"dr"; .quad 1
 237 .popsection
 238
 239 // in section .data3
 240 .quad 4
 241
 242 // Notice the different section flags here.
 243 // This shouldn't overwrite the intial section flags.
 244 .pushsection .data4,"dr"; .quad 1
 245 .popsection
 246
 247 // CHECK:       Section {
 248 // CHECK-NEXT:    Number:
 249 // CHECK-NEXT:    Name: .data3
 250 // CHECK:         RawDataSize: 16
 251 // CHECK:         Characteristics [
 252 // CHECK-NEXT:      IMAGE_SCN_ALIGN_1BYTES
 253 // CHECK-NEXT:      IMAGE_SCN_CNT_INITIALIZED_DATA
 254 // CHECK-NEXT:      IMAGE_SCN_MEM_READ
 255 // CHECK-NEXT:      IMAGE_SCN_MEM_WRITE
 256 // CHECK-NEXT:    ]
 257
 258 // CHECK:       Section {
 259 // CHECK-NEXT:    Number:
 260 // CHECK-NEXT:    Name: .data4
 261 // CHECK:         RawDataSize: 16
 262 // CHECK:         Characteristics [
 263 // CHECK-NEXT:      IMAGE_SCN_ALIGN_1BYTES
 264 // CHECK-NEXT:      IMAGE_SCN_CNT_INITIALIZED_DATA
 265 // CHECK-NEXT:      IMAGE_SCN_MEM_READ
 266 // CHECK-NEXT:      IMAGE_SCN_MEM_WRITE
 267 // CHECK-NEXT:    ]
 268
 269 // CHECK:       Section {
 270 // CHECK-NEXT:    Number:
 271 // CHECK-NEXT:    Name: .data5
 272 // CHECK:         RawDataSize: 8
 273 // CHECK:         Characteristics [
 274 // CHECK-NEXT:      IMAGE_SCN_ALIGN_1BYTES
 275 // CHECK-NEXT:      IMAGE_SCN_CNT_INITIALIZED_DATA
 276 // CHECK-NEXT:      IMAGE_SCN_MEM_READ
 277 // CHECK-NEXT:    ]
 278
 279 .ifdef ERR
 280 // ERR: :[[#@LINE+1]]:12: error: .popsection without corresponding .pushsection
 281 .popsection
 282 .endif