test/MC/ARM/eh-directive-unwind_raw.s

   1 @ RUN: llvm-mc -triple armv7-linux-eabi -filetype obj -o - %s | llvm-readobj -u \
   2 @ RUN:   | FileCheck %s
   3
   4         .syntax unified
   5
   6         .type save,%function
   7         .thumb_func
   8 save:
   9         .fnstart
  10         .unwind_raw 4, 0xb1, 0x01
  11         push {r0}
  12         pop {r0}
  13         bx lr
  14         .fnend
  15
  16         .type empty,%function
  17         .thumb_func
  18 empty:
  19         .fnstart
  20         .unwind_raw 0, 0xb0
  21         bx lr
  22         .fnend
  23
  24         .type extended,%function
  25         .thumb_func
  26 extended:
  27         .fnstart
  28         .unwind_raw 12, 0x9b, 0x40, 0x84, 0x80, 0xb0, 0xb0
  29         @ .save {fp, lr}
  30         stmfd sp!, {fp, lr}
  31         @ .setfp fp, sp, #4
  32         add fp, sp, #4
  33         @ .pad #8
  34         sub sp, sp, #8
  35         add sp, sp, #8
  36         sub fp, sp, #4
  37         ldmfd sp!, {fp, lr}
  38         bx lr
  39         .fnend
  40
  41         .type refuse,%function
  42         .thumb_func
  43 refuse:
  44         .fnstart
  45         .unwind_raw 0, 0x80, 0x00
  46         bx lr
  47         .fnend
  48
  49         .type stack_adjust,%function
  50         .thumb_func
  51 stack_adjust:
  52         .fnstart
  53         .setfp fp, sp, #32
  54         .unwind_raw 24, 0xc2
  55         .fnend
  56
  57 @ CHECK: UnwindInformation {
  58 @ CHECK:   UnwindIndexTable {
  59 @ CHECK:     SectionName: .ARM.exidx
  60 @ CHECK:     Entries [
  61 @ CHECK:       Entry {
  62 @ CHECK:         Model: Compact (Inline)
  63 @ CHECK:         PersonalityIndex: 0
  64 @ CHECK:         Opcodes [
  65 @ CHECK:           0xB1 0x01 ; pop {r0}
  66 @ CHECK:           0xB0      ; finish
  67 @ CHECK:         ]
  68 @ CHECK:       }
  69 @ CHECK:       Entry {
  70 @ CHECK:         Model: Compact (Inline)
  71 @ CHECK:         PersonalityIndex: 0
  72 @ CHECK:         Opcodes [
  73 @ CHECK:           0xB0      ; finish
  74 @ CHECK:           0xB0      ; finish
  75 @ CHECK:           0xB0      ; finish
  76 @ CHECK:         ]
  77 @ CHECK:       }
  78 @ CHECK:       Entry {
  79 @ CHECK:         ExceptionHandlingTable: .ARM.extab
  80 @ CHECK:         Model: Compact
  81 @ CHECK:         PersonalityIndex: 1
  82 @ CHECK:         Opcodes [
  83 @ CHECK:           0x9B      ; vsp = r11
  84 @ CHECK:           0x40      ; vsp = vsp - 4
  85 @ CHECK:           0x84 0x80 ; pop {fp, lr}
  86 @ CHECK:           0xB0      ; finish
  87 @ CHECK:           0xB0      ; finish
  88 @ CHECK:         ]
  89 @ CHECK:       }
  90 @ CHECK:       Entry {
  91 @ CHECK:         Model: Compact (Inline)
  92 @ CHECK:         PersonalityIndex: 0
  93 @ CHECK:         Opcodes [
  94 @ CHECK:           0x80 0x00 ; refuse to unwind
  95 @ CHECK:           0xB0      ; finish
  96 @ CHECK:         ]
  97 @ CHECK:       }
  98 @ CHECK:       Entry {
  99 @ CHECK:         Model: Compact (Inline)
 100 @ CHECK:         PersonalityIndex: 0
 101 @ CHECK:         Opcodes [
 102 @ CHECK:           0x9B      ; vsp = r11
 103 @ CHECK:           0x4D      ; vsp = vsp - 56
 104 @ CHECK:           0xC2      ; pop {wR10, wR11, wR12}
 105 @ CHECK:         ]
 106 @ CHECK:       }
 107 @ CHECK:     ]
 108 @ CHECK:   }
 109 @ CHECK: }
 110