llvm/test/tools/llvm-readobj/ELF/ARM/unwind.s

   1 @ RUN: llvm-mc -triple armv7-linux-eabi -filetype obj %s -o %t
   2 @ RUN: llvm-readobj -u %t | FileCheck --check-prefixes=CHECK,SYM %s
   3
   4 @@ If .symtab doesn't exist, we can still dump some information.
   5 @ RUN: llvm-objcopy --allow-broken-links --strip-all %t - | llvm-readobj -u - | FileCheck %s
   6
   7         .syntax unified
   8
   9         .cpu cortex-a8
  10         .fpu neon
  11
  12         .section .personality
  13
  14         .type __personality,%function
  15 __personality:
  16         .fnstart
  17         bkpt
  18         .fnend
  19
  20
  21         .section .personality0
  22
  23         .type personality0,%function
  24 personality0:
  25         .fnstart
  26         bx lr
  27         .fnend
  28
  29
  30         .section .personality1
  31
  32         .type personality1,%function
  33 personality1:
  34         .fnstart
  35         .pad #0x100
  36         sub sp, sp, #0x100
  37         .save {r0-r11}
  38         push {r0-r11}
  39         pop {r0-r11}
  40         add sp, sp, #0x100
  41         bx lr
  42         .fnend
  43
  44
  45         .section .custom_personality
  46
  47         .type custom_personality,%function
  48 custom_personality:
  49         .fnstart
  50         .personality __personality
  51         bx lr
  52         .fnend
  53
  54
  55         .section .opcodes
  56
  57         .type opcodes,%function
  58 opcodes:
  59         .fnstart
  60         .vsave {d8-d12}
  61         vpush {d8-d12}
  62         vpop {d8-d12}
  63         bx lr
  64         .fnend
  65
  66
  67         .section .multiple
  68
  69         .type function0,%function
  70 function0:
  71         .fnstart
  72         bx lr
  73         .fnend
  74
  75         .type function1,%function
  76 function1:
  77         .fnstart
  78         .personality __personality
  79         bx lr
  80         .fnend
  81
  82         .type function2,%function
  83 function2:
  84         .fnstart
  85         bx lr
  86         .fnend
  87
  88         .section .raw
  89
  90         .type raw,%function
  91         .thumb_func
  92 raw:
  93         .fnstart
  94         .unwind_raw 12, 0x02
  95         .unwind_raw -12, 0x42
  96         .unwind_raw 0, 0x80, 0x00
  97         .unwind_raw 4, 0x81, 0x00
  98         .unwind_raw 4, 0x80, 0x01
  99         .unwind_raw 8, 0x80, 0xc0
 100         .unwind_raw 12, 0x84, 0xc0
 101         .unwind_raw 0, 0x91
 102         .unwind_raw 8, 0xa1
 103         .unwind_raw 12, 0xa9
 104         .unwind_raw 0, 0xb0
 105         .unwind_raw 4, 0xb4
 106         .unwind_raw 4, 0xb1, 0x01
 107         .unwind_raw 0xa04, 0xb2, 0x80, 0x04
 108         .unwind_raw 24, 0xb3, 0x12
 109         .unwind_raw 24, 0xba
 110         .unwind_raw 24, 0xc2
 111         .unwind_raw 24, 0xc6, 0x02
 112         .unwind_raw 8, 0xc7, 0x03
 113         .unwind_raw 24, 0xc8, 0x02
 114         .unwind_raw 24, 0xc9, 0x02
 115         .unwind_raw 64, 0xd7
 116         .fnend
 117
 118         .section .spare
 119
 120         .type spare,%function
 121 spare:
 122         .fnstart
 123         .unwind_raw 4, 0x00
 124         .unwind_raw -4, 0x40
 125         .unwind_raw 0, 0x80, 0x00
 126         .unwind_raw 4, 0x88, 0x00
 127         .unwind_raw 0, 0x91
 128         .unwind_raw 0, 0x9d
 129         .unwind_raw 0, 0x9f
 130         .unwind_raw 0, 0xa0
 131         .unwind_raw 0, 0xa8
 132         .unwind_raw 0, 0xb0
 133         .unwind_raw 4, 0xb1, 0x01
 134         .unwind_raw 0, 0xb1, 0x10
 135         .unwind_raw 0x204, 0xb2, 0x00
 136         .unwind_raw 16, 0xb3, 0x00
 137         .unwind_raw 16, 0xb8
 138         .unwind_raw 4, 0xc0
 139         .unwind_raw 4, 0xc6, 0x00
 140         .unwind_raw 4, 0xc7, 0x00
 141         .unwind_raw 4, 0xc7, 0x01
 142         .unwind_raw 0, 0xc7, 0x10
 143         .unwind_raw 16, 0xc8, 0x00
 144         .unwind_raw 16, 0xc9, 0x00
 145         .unwind_raw 0, 0xca
 146         .unwind_raw 16, 0xd0
 147         .unwind_raw 0, 0xd8
 148         .fnend
 149
 150 @ CHECK: UnwindInformation {
 151 @ CHECK:   UnwindIndexTable {
 152 @ CHECK:     SectionName: .ARM.exidx.personality
 153 @ CHECK:     Entries [
 154 @ CHECK:       Entry {
 155 @ CHECK:         FunctionAddress: 0x0
 156 @ SYM:           FunctionName: __personality
 157 @ CHECK:         Model: Compact (Inline)
 158 @ CHECK:         PersonalityIndex: 0
 159 @ CHECK:         Opcodes [
 160 @ CHECK:           0xB0       ; finish
 161 @ CHECK:           0xB0       ; finish
 162 @ CHECK:           0xB0       ; finish
 163 @ CHECK:         ]
 164 @ CHECK:       }
 165 @ CHECK:     ]
 166 @ CHECK:   }
 167 @ CHECK:   UnwindIndexTable {
 168 @ CHECK:     SectionName: .ARM.exidx.personality0
 169 @ CHECK:     Entries [
 170 @ CHECK:       Entry {
 171 @ CHECK:         FunctionAddress: 0x0
 172 @ SYM:           FunctionName: personality0
 173 @ CHECK:         Model: Compact (Inline)
 174 @ CHECK:         PersonalityIndex: 0
 175 @ CHECK:         Opcodes [
 176 @ CHECK:           0xB0       ; finish
 177 @ CHECK:           0xB0       ; finish
 178 @ CHECK:           0xB0       ; finish
 179 @ CHECK:         ]
 180 @ CHECK:       }
 181 @ CHECK:     ]
 182 @ CHECK:   }
 183 @ CHECK:   UnwindIndexTable {
 184 @ CHECK:     SectionName: .ARM.exidx.personality1
 185 @ CHECK:     Entries [
 186 @ CHECK:       Entry {
 187 @ CHECK:         FunctionAddress: 0x0
 188 @ SYM:           FunctionName: personality1
 189 @ SYM:           ExceptionHandlingTable: .ARM.extab.personality1
 190 @ SYM:           TableEntryOffset: 0x0
 191 @ SYM:           Model: Compact
 192 @ SYM:           PersonalityIndex: 1
 193 @ SYM:           Opcodes [
 194 @ SYM:             0xB1 0x0F ; pop {r0, r1, r2, r3}
 195 @ SYM:             0xA7      ; pop {r4, r5, r6, r7, r8, r9, r10, fp}
 196 @ SYM:             0x3F      ; vsp = vsp + 256
 197 @ SYM:             0xB0      ; finish
 198 @ SYM:             0xB0      ; finish
 199 @ SYM:           ]
 200 @ CHECK:       }
 201 @ CHECK:     ]
 202 @ CHECK:   }
 203 @ CHECK:   UnwindIndexTable {
 204 @ CHECK:     SectionName: .ARM.exidx.custom_personality
 205 @ CHECK:     Entries [
 206 @ CHECK:       Entry {
 207 @ CHECK:         FunctionAddress: 0x0
 208 @ SYM:           FunctionName: custom_personality
 209 @ SYM:           ExceptionHandlingTable: .ARM.extab.custom_personality
 210 @ SYM:           TableEntryOffset: 0x0
 211 @ SYM:           Model: Generic
 212 @ SYM:           PersonalityRoutineAddress: 0x0
 213 @ CHECK:       }
 214 @ CHECK:     ]
 215 @ CHECK:   }
 216 @ CHECK:   UnwindIndexTable {
 217 @ CHECK:     SectionName: .ARM.exidx.opcodes
 218 @ CHECK:     Entries [
 219 @ CHECK:       Entry {
 220 @ CHECK:         FunctionAddress: 0x0
 221 @ SYM:           FunctionName: opcodes
 222 @ CHECK:         Model: Compact (Inline)
 223 @ CHECK:         PersonalityIndex: 0
 224 @ CHECK:         Opcodes [
 225 @ CHECK:           0xC9 0x84 ; pop {d8, d9, d10, d11, d12}
 226 @ CHECK:           0xB0      ; finish
 227 @ CHECK:         ]
 228 @ CHECK:       }
 229 @ CHECK:     ]
 230 @ CHECK:   }
 231 @ CHECK:   UnwindIndexTable {
 232 @ CHECK:     SectionName: .ARM.exidx.multiple
 233 @ CHECK:     Entries [
 234 @ CHECK:       Entry {
 235 @ CHECK:         FunctionAddress: 0x0
 236 @ SYM:           FunctionName: function0
 237 @ CHECK:         Model: Compact (Inline)
 238 @ CHECK:         PersonalityIndex: 0
 239 @ CHECK:         Opcodes [
 240 @ CHECK:           0xB0     ; finish
 241 @ CHECK:           0xB0     ; finish
 242 @ CHECK:           0xB0     ; finish
 243 @ CHECK:         ]
 244 @ CHECK:       }
 245 @ CHECK:       Entry {
 246 @ CHECK:         FunctionAddress: 0x4
 247 @ SYM:           FunctionName: function1
 248 @ SYM:           ExceptionHandlingTable: .ARM.extab.multiple
 249 @ SYM:           Model: Generic
 250 @ SYM:           PersonalityRoutineAddress: 0x0
 251 @ CHECK:       }
 252 @ CHECK:       Entry {
 253 @ CHECK:         FunctionAddress: 0x8
 254 @ SYM:           FunctionName: function2
 255 @ CHECK:         Model: Compact (Inline)
 256 @ CHECK:         PersonalityIndex: 0
 257 @ CHECK:         Opcodes [
 258 @ CHECK:           0xB0     ; finish
 259 @ CHECK:           0xB0     ; finish
 260 @ CHECK:           0xB0     ; finish
 261 @ CHECK:         ]
 262 @ CHECK:       }
 263 @ CHECK:     ]
 264 @ CHECK:   }
 265 @ CHECK:   UnwindIndexTable {
 266 @ CHECK:     SectionName: .ARM.exidx.raw
 267 @ CHECK:     Entries [
 268 @ SYM:         Opcodes [
 269 @ SYM:           0xD7      ; pop {d8, d9, d10, d11, d12, d13, d14, d15}
 270 @ SYM:           0xC9 0x02 ; pop {d0, d1, d2}
 271 @ SYM:           0xC8 0x02 ; pop {d16, d17, d18}
 272 @ SYM:           0xC7 0x03 ; pop {wCGR0, wCGR1}
 273 @ SYM:           0xC6 0x02 ; pop {wR0, wR1, wR2}
 274 @ SYM:           0xC2      ; pop {wR10, wR11, wR12}
 275 @ SYM:           0xBA      ; pop {d8, d9, d10}
 276 @ SYM:           0xB3 0x12 ; pop {d1, d2, d3}
 277 @ SYM:           0xB2 0x80 0x04 ; vsp = vsp + 2564
 278 @ SYM:           0xB1 0x01 ; pop {r0}
 279 @ SYM:           0xB4      ; pop ra_auth_code
 280 @ SYM:           0xB0      ; finish
 281 @ SYM:           0xA9      ; pop {r4, r5, lr}
 282 @ SYM:           0xA1      ; pop {r4, r5}
 283 @ SYM:           0x91      ; vsp = r1
 284 @ SYM:           0x84 0xC0 ; pop {r10, fp, lr}
 285 @ SYM:           0x80 0xC0 ; pop {r10, fp}
 286 @ SYM:           0x80 0x01 ; pop {r4}
 287 @ SYM:           0x81 0x00 ; pop {ip}
 288 @ SYM:           0x80 0x00 ; refuse to unwind
 289 @ SYM:           0x42      ; vsp = vsp - 12
 290 @ SYM:           0x02      ; vsp = vsp + 12
 291 @ SYM:         ]
 292 @ CHECK:     ]
 293 @ CHECK:   }
 294 @ CHECK:   UnwindIndexTable {
 295 @ CHECK:     SectionName: .ARM.exidx.spare
 296 @ CHECK:     Entries [
 297 @ SYM:         Opcodes [
 298 @ SYM:           0xD8      ; spare
 299 @ SYM:           0xD0      ; pop {d8}
 300 @ SYM:           0xCA      ; spare
 301 @ SYM:           0xC9 0x00 ; pop {d0}
 302 @ SYM:           0xC8 0x00 ; pop {d16}
 303 @ SYM:           0xC7 0x10 ; spare
 304 @ SYM:           0xC7 0x01 ; pop {wCGR0}
 305 @ SYM:           0xC7 0x00 ; spare
 306 @ SYM:           0xC6 0x00 ; pop {wR0}
 307 @ SYM:           0xC0      ; pop {wR10}
 308 @ SYM:           0xB8      ; pop {d8}
 309 @ SYM:           0xB3 0x00 ; pop {d0}
 310 @ SYM:           0xB2 0x00 ; vsp = vsp + 516
 311 @ SYM:           0xB1 0x10 ; spare
 312 @ SYM:           0xB1 0x01 ; pop {r0}
 313 @ SYM:           0xB0      ; finish
 314 @ SYM:           0xA8      ; pop {r4, lr}
 315 @ SYM:           0xA0      ; pop {r4}
 316 @ SYM:           0x9F      ; reserved (WiMMX MOVrr)
 317 @ SYM:           0x9D      ; reserved (ARM MOVrr)
 318 @ SYM:           0x91      ; vsp = r1
 319 @ SYM:           0x88 0x00 ; pop {pc}
 320 @ SYM:           0x80 0x00 ; refuse to unwind
 321 @ SYM:           0x40      ; vsp = vsp - 4
 322 @ SYM:           0x00      ; vsp = vsp + 4
 323 @ SYM:         ]
 324 @ CHECK:     ]
 325 @ CHECK:   }
 326 @ CHECK: }
 327