lld/test/COFF/arm64ec-entry-thunk.s

   1 // REQUIRES: aarch64
   2 // RUN: split-file %s %t.dir && cd %t.dir
   3
   4 #--- test-simple.s
   5 // Build a simple function with an entry thunk.
   6
   7     .section .text,"xr",discard,func
   8     .globl func
   9     .p2align 2
  10 func:
  11     mov w0, #1
  12     ret
  13
  14     .section .wowthk$aa,"xr",discard,thunk
  15     .globl thunk
  16     .p2align 2
  17 thunk:
  18     mov w0, #10
  19     ret
  20
  21     .section .hybmp$x, "yi"
  22     .symidx func
  23     .symidx thunk
  24     .word 1  // entry thunk
  25
  26     .data
  27     .rva func
  28
  29 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows %S/Inputs/loadconfig-arm64ec.s -o loadcfg.obj
  30 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-simple.s -o test-simple.obj
  31 // RUN: lld-link -machine:arm64ec -dll -noentry -out:out-simple.dll loadcfg.obj test-simple.obj
  32 // RUN: llvm-objdump -d out-simple.dll | FileCheck --check-prefix=DISASM %s
  33
  34 // DISASM:      Disassembly of section .text:
  35 // DISASM-EMPTY:
  36 // DISASM-NEXT: 0000000180001000 <.text>:
  37 // DISASM-NEXT: 180001000: 00000009     udf     #0x9
  38 // DISASM-NEXT: 180001004: 52800020     mov     w0, #0x1                // =1
  39 // DISASM-NEXT: 180001008: d65f03c0     ret
  40 // DISASM-NEXT: 18000100c: 52800140     mov     w0, #0xa                // =10
  41 // DISASM-NEXT: 180001010: d65f03c0     ret
  42
  43 // RUN: llvm-readobj --sections out-simple.dll | FileCheck --check-prefix=HYBMP %s
  44 // HYBMP-NOT: .hybmp
  45
  46 // RUN: lld-link -machine:arm64x -dll -noentry -out:out-simplex.dll loadcfg.obj test-simple.obj
  47 // RUN: llvm-objdump -d out-simplex.dll | FileCheck --check-prefix=DISASM %s
  48
  49 #--- test-split-func.s
  50 // Build a simple function with an entry thunk, but pass it in multiple files.
  51
  52     .section .text,"xr",discard,func
  53     .globl func
  54     .p2align 2
  55 func:
  56     mov w0, #1
  57     ret
  58
  59 #--- test-split-thunk.s
  60     .section .wowthk$aa,"xr",discard,thunk
  61     .globl thunk
  62     .p2align 2
  63 thunk:
  64     mov w0, #10
  65     ret
  66
  67 #--- test-split-hybmp.s
  68     .section .hybmp$x, "yi"
  69     .symidx func
  70     .symidx thunk
  71     .word 1  // entry thunk
  72
  73 #--- test-split-data.s
  74     .data
  75     .rva func
  76
  77 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-split-func.s -o test-split-func.obj
  78 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-split-thunk.s -o test-split-thunk.obj
  79 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-split-hybmp.s -o test-split-hybmp.obj
  80 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-split-data.s -o test-split-data.obj
  81 // RUN: lld-link -machine:arm64ec -dll -noentry -out:out-split.dll loadcfg.obj \
  82 // RUN:          test-split-func.obj test-split-thunk.obj test-split-data.obj test-split-hybmp.obj
  83 // RUN: llvm-objdump -d out-split.dll | FileCheck --check-prefix=DISASM %s
  84
  85 #--- test-align.s
  86 // Build multiple functions with thunks and various alignments and check that entry thunk offsets
  87 // are correctly placed.
  88
  89     .section .text,"xr",discard,func
  90     .globl func
  91     .p2align 2
  92 func:
  93     mov w0, #1
  94     nop
  95     ret
  96
  97     .section .text,"xr",discard,func2
  98     .globl func2
  99     .p2align 2
 100 func2:
 101     mov w0, #2
 102     ret
 103
 104     .section .text,"xr",discard,func3
 105     .globl func3
 106     .p2align 3
 107 func3:
 108     mov w0, #3
 109     nop
 110     ret
 111
 112     .section .text,"xr",discard,func4
 113     .globl func4
 114     .p2align 3
 115 func4:
 116     mov w0, #4
 117     ret
 118
 119     .section .text,"xr",discard,func5
 120     .globl func5
 121     .p2align 3
 122 func5:
 123     mov w0, #5
 124     ret
 125
 126     .section .text,"xr",discard,func6
 127     .globl func6
 128     .p2align 4
 129 func6:
 130     mov w0, #6
 131     ret
 132
 133     .section .wowthk$aa,"xr",discard,thunk
 134     .globl thunk
 135     .p2align 2
 136 thunk:
 137     mov w0, #10
 138     ret
 139
 140     .section .wowthk$aa,"xr",discard,thunk2
 141     .globl thunk2
 142     .p2align 2
 143 thunk2:
 144     mov w0, #20
 145     ret
 146
 147     .section .hybmp$x, "yi"
 148     .symidx func
 149     .symidx thunk
 150     .word 1  // entry thunk
 151     .symidx func2
 152     .symidx thunk2
 153     .word 1  // entry thunk
 154     .symidx func3
 155     .symidx thunk
 156     .word 1  // entry thunk
 157     .symidx func4
 158     .symidx thunk
 159     .word 1  // entry thunk
 160     .symidx func5
 161     .symidx thunk
 162     .word 1  // entry thunk
 163     .symidx func6
 164     .symidx thunk
 165     .word 1  // entry thunk
 166
 167     .data
 168     .rva func
 169     .rva func2
 170     .rva func3
 171     .rva func4
 172     .rva func5
 173     .rva func6
 174
 175 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-align.s -o test-align.obj
 176 // RUN: lld-link -machine:arm64ec -dll -noentry -out:out-align.dll loadcfg.obj test-align.obj
 177 // RUN: llvm-objdump -d out-align.dll | FileCheck --check-prefix=ALIGN %s
 178
 179 // ALIGN:      Disassembly of section .text:
 180 // ALIGN-EMPTY:
 181 // ALIGN-NEXT: 0000000180001000 <.text>:
 182 // ALIGN-NEXT: 180001000: 00000055     udf     #0x55
 183 // ALIGN-NEXT: 180001004: 52800020     mov     w0, #0x1                // =1
 184 // ALIGN-NEXT: 180001008: d503201f     nop
 185 // ALIGN-NEXT: 18000100c: d65f03c0     ret
 186 // ALIGN-NEXT: 180001010: 0000004d     udf     #0x4d
 187 // ALIGN-NEXT: 180001014: 52800040     mov     w0, #0x2                // =2
 188 // ALIGN-NEXT: 180001018: d65f03c0     ret
 189 // ALIGN-NEXT: 18000101c: 00000039     udf     #0x39
 190 // ALIGN-NEXT: 180001020: 52800060     mov     w0, #0x3                // =3
 191 // ALIGN-NEXT: 180001024: d503201f     nop
 192 // ALIGN-NEXT: 180001028: d65f03c0     ret
 193 // ALIGN-NEXT: 18000102c: 00000029     udf     #0x29
 194 // ALIGN-NEXT: 180001030: 52800080     mov     w0, #0x4                // =4
 195 // ALIGN-NEXT: 180001034: d65f03c0     ret
 196 // ALIGN-NEXT: 180001038: 00000000     udf     #0x0
 197 // ALIGN-NEXT: 18000103c: 00000019     udf     #0x19
 198 // ALIGN-NEXT: 180001040: 528000a0     mov     w0, #0x5                // =5
 199 // ALIGN-NEXT: 180001044: d65f03c0     ret
 200 // ALIGN-NEXT: 180001048: 00000000     udf     #0x0
 201 // ALIGN-NEXT: 18000104c: 00000009     udf     #0x9
 202 // ALIGN-NEXT: 180001050: 528000c0     mov     w0, #0x6                // =6
 203 // ALIGN-NEXT: 180001054: d65f03c0     ret
 204 // ALIGN-NEXT: 180001058: 52800140     mov     w0, #0xa                // =10
 205 // ALIGN-NEXT: 18000105c: d65f03c0     ret
 206 // ALIGN-NEXT: 180001060: 52800280     mov     w0, #0x14               // =20
 207 // ALIGN-NEXT: 180001064: d65f03c0     ret
 208
 209 #--- test-icf-thunk.s
 210 // Build two functions with identical entry thunks and check that thunks are merged by ICF.
 211
 212     .section .text,"xr",discard,func
 213     .globl func
 214     .p2align 2
 215 func:
 216     mov w0, #1
 217     ret
 218
 219     .section .text,"xr",discard,func2
 220     .globl func2
 221     .p2align 2
 222 func2:
 223     mov w0, #2
 224     ret
 225
 226     .section .wowthk$aa,"xr",discard,thunk
 227     .globl thunk
 228     .p2align 2
 229 thunk:
 230     mov w0, #10
 231     ret
 232
 233     .section .wowthk$aa,"xr",discard,thunk2
 234     .globl thunk2
 235     .p2align 2
 236 thunk2:
 237     mov w0, #10
 238     ret
 239
 240     .section .hybmp$x, "yi"
 241     .symidx func
 242     .symidx thunk
 243     .word 1  // entry thunk
 244     .symidx func2
 245     .symidx thunk2
 246     .word 1  // entry thunk
 247
 248     .data
 249     .rva func
 250     .rva func2
 251
 252 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-icf-thunk.s -o test-icf-thunk.obj
 253 // RUN: lld-link -machine:arm64ec -dll -noentry -out:out-icf-thunk.dll loadcfg.obj test-icf-thunk.obj
 254 // RUN: llvm-objdump -d out-icf-thunk.dll | FileCheck --check-prefix=ICF-THUNK %s
 255
 256 // ICF-THUNK:      Disassembly of section .text:
 257 // ICF-THUNK-EMPTY:
 258 // ICF-THUNK-NEXT: 0000000180001000 <.text>:
 259 // ICF-THUNK-NEXT: 180001000: 00000015     udf     #0x15
 260 // ICF-THUNK-NEXT: 180001004: 52800020     mov     w0, #0x1                // =1
 261 // ICF-THUNK-NEXT: 180001008: d65f03c0     ret
 262 // ICF-THUNK-NEXT: 18000100c: 00000009     udf     #0x9
 263 // ICF-THUNK-NEXT: 180001010: 52800040     mov     w0, #0x2                // =2
 264 // ICF-THUNK-NEXT: 180001014: d65f03c0     ret
 265 // ICF-THUNK-NEXT: 180001018: 52800140     mov     w0, #0xa                // =10
 266 // ICF-THUNK-NEXT: 18000101c: d65f03c0     ret
 267
 268 #--- test-icf-diff-thunk.s
 269 // Build two identical functions with different entry thunks and check that they are not merged by ICF.
 270
 271     .section .text,"xr",discard,func
 272     .globl func
 273     .p2align 2
 274 func:
 275     mov w0, #1
 276     ret
 277
 278     .section .text,"xr",discard,func2
 279     .globl func2
 280     .p2align 2
 281 func2:
 282     mov w0, #1
 283     ret
 284
 285     .section .wowthk$aa,"xr",discard,thunk
 286     .globl thunk
 287     .p2align 2
 288 thunk:
 289     mov w0, #10
 290     ret
 291
 292     .section .wowthk$aa,"xr",discard,thunk2
 293     .globl thunk2
 294     .p2align 2
 295 thunk2:
 296     mov w0, #20
 297     ret
 298
 299     .section .hybmp$x, "yi"
 300     .symidx func
 301     .symidx thunk
 302     .word 1  // entry thunk
 303     .symidx func2
 304     .symidx thunk2
 305     .word 1  // entry thunk
 306
 307     .data
 308     .rva func
 309     .rva func2
 310
 311 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-icf-diff-thunk.s -o test-icf-diff-thunk.obj
 312 // RUN: lld-link -machine:arm64ec -dll -noentry -out:out-icf-diff-thunk.dll loadcfg.obj test-icf-diff-thunk.obj
 313 // RUN: llvm-objdump -d out-icf-diff-thunk.dll | FileCheck --check-prefix=ICF-DIFF-THUNK %s
 314
 315 // ICF-DIFF-THUNK:      Disassembly of section .text:
 316 // ICF-DIFF-THUNK-EMPTY:
 317 // ICF-DIFF-THUNK-NEXT: 0000000180001000 <.text>:
 318 // ICF-DIFF-THUNK-NEXT: 180001000: 00000015     udf     #0x15
 319 // ICF-DIFF-THUNK-NEXT: 180001004: 52800020     mov     w0, #0x1                // =1
 320 // ICF-DIFF-THUNK-NEXT: 180001008: d65f03c0     ret
 321 // ICF-DIFF-THUNK-NEXT: 18000100c: 00000011     udf     #0x11
 322 // ICF-DIFF-THUNK-NEXT: 180001010: 52800020     mov     w0, #0x1                // =1
 323 // ICF-DIFF-THUNK-NEXT: 180001014: d65f03c0     ret
 324 // ICF-DIFF-THUNK-NEXT: 180001018: 52800140     mov     w0, #0xa                // =10
 325 // ICF-DIFF-THUNK-NEXT: 18000101c: d65f03c0     ret
 326 // ICF-DIFF-THUNK-NEXT: 180001020: 52800280     mov     w0, #0x14               // =20
 327 // ICF-DIFF-THUNK-NEXT: 180001024: d65f03c0     ret
 328
 329 #--- test-icf-both.s
 330 // Build two identical functions with identical entry thunks and check that they are merged by ICF.
 331
 332     .section .text,"xr",discard,func
 333     .globl func
 334     .p2align 2
 335 func:
 336     mov w0, #1
 337     ret
 338
 339     .section .text,"xr",discard,func2
 340     .globl func2
 341     .p2align 2
 342 func2:
 343     mov w0, #1
 344     ret
 345
 346     .section .wowthk$aa,"xr",discard,thunk
 347     .globl thunk
 348     .p2align 2
 349 thunk:
 350     mov w0, #10
 351     ret
 352
 353     .section .wowthk$aa,"xr",discard,thunk2
 354     .globl thunk2
 355     .p2align 2
 356 thunk2:
 357     mov w0, #10
 358     ret
 359
 360     .section .hybmp$x, "yi"
 361     .symidx func
 362     .symidx thunk
 363     .word 1  // entry thunk
 364     .symidx func2
 365     .symidx thunk2
 366     .word 1  // entry thunk
 367
 368     .data
 369     .rva func
 370     .rva func2
 371
 372 // RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-icf-both.s -o test-icf-both.obj
 373 // RUN: lld-link -machine:arm64ec -dll -noentry -out:out-icf-both.dll loadcfg.obj test-icf-both.obj
 374 // RUN: llvm-objdump -d out-icf-both.dll | FileCheck --check-prefix=DISASM %s
 375