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

   1 @ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \
   2 @ RUN:   | llvm-readobj -s -sd -sr | FileCheck %s
   3
   4 @ Check the .handlerdata directive (without .personality directive)
   5
   6         .syntax unified
   7
   8 @-------------------------------------------------------------------------------
   9 @ TEST1
  10 @-------------------------------------------------------------------------------
  11         .section        .TEST1
  12         .globl  func1
  13         .align  2
  14         .type   func1,%function
  15         .fnstart
  16 func1:
  17         bx      lr
  18         .handlerdata
  19         .fnend
  20
  21
  22 @ CHECK:Section {
  23 @ CHECK:  Name: .TEST1
  24 @ CHECK:  SectionData (
  25 @ CHECK:    0000: 1EFF2FE1                             |../.|
  26 @ CHECK:  )
  27 @ CHECK:}
  28
  29 @ CHECK:Section {
  30 @ CHECK:  Name: .ARM.extab.TEST1
  31 @ CHECK:  SectionData (
  32 @ CHECK:    0000: B0B0B080                             |....|
  33 @ CHECK:  )
  34 @ CHECK:}
  35
  36 @ CHECK:Section {
  37 @ CHECK:  Name: .ARM.exidx.TEST1
  38 @ CHECK:  SectionData (
  39 @ CHECK:    0000: 00000000 00000000                    |........|
  40 @ CHECK:  )
  41 @ CHECK:}
  42 @-------------------------------------------------------------------------------
  43 @ We should see a relocation entry to __aeabi_unwind_cpp_pr0, so that the
  44 @ linker can keep __aeabi_unwind_cpp_pr0.
  45 @-------------------------------------------------------------------------------
  46 @ CHECK:  Relocations [
  47 @ CHECK:    0x0 R_ARM_PREL31 .TEST1 0x0
  48 @ CHECK:    0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0
  49 @ CHECK:    0x4 R_ARM_PREL31 .ARM.extab.TEST1 0x0
  50 @ CHECK:  ]
  51
  52
  53
  54 @-------------------------------------------------------------------------------
  55 @ TEST2
  56 @-------------------------------------------------------------------------------
  57         .section        .TEST2
  58         .globl  func2
  59         .align  2
  60         .type   func2,%function
  61         .fnstart
  62 func2:
  63 @-------------------------------------------------------------------------------
  64 @ Use a lot of unwind opcdes to get __aeabi_unwind_cpp_pr1.
  65 @-------------------------------------------------------------------------------
  66         .save   {r4, r5, r6, r7, r8, r9, r10, r11, r12}
  67         push    {r4, r5, r6, r7, r8, r9, r10, r11, r12}
  68         pop     {r4, r5, r6, r7, r8, r9, r10, r11, r12}
  69         .pad    #0x240
  70         sub     sp, sp, #0x240
  71         add     sp, sp, #0x240
  72         bx      lr
  73         .handlerdata
  74         .fnend
  75
  76
  77
  78 @ CHECK:Section {
  79 @ CHECK:  Name: .TEST2
  80 @ CHECK:  SectionData (
  81 @ CHECK:    0000: F01F2DE9 F01FBDE8 09DD4DE2 09DD8DE2  |..-.......M.....|
  82 @ CHECK:    0010: 1EFF2FE1                             |../.|
  83 @ CHECK:  )
  84 @ CHECK:}
  85
  86 @ CHECK:Section {
  87 @ CHECK:  Name: .ARM.extab.TEST2
  88 @ CHECK:  SectionData (
  89 @ CHECK:    0000: 0FB20181 B0B0FF81                    |........|
  90 @ CHECK:  )
  91 @ CHECK:}
  92
  93 @ CHECK:Section {
  94 @ CHECK:  Name: .ARM.exidx.TEST2
  95 @ CHECK:  SectionData (
  96 @ CHECK:    0000: 00000000 00000000                    |........|
  97 @ CHECK:  )
  98 @ CHECK:}
  99 @-------------------------------------------------------------------------------
 100 @ We should see a relocation entry to __aeabi_unwind_cpp_pr0, so that the
 101 @ linker can keep __aeabi_unwind_cpp_pr0.
 102 @-------------------------------------------------------------------------------
 103 @ CHECK:  Relocations [
 104 @ CHECK:    0x0 R_ARM_PREL31 .TEST2 0x0
 105 @ CHECK:    0x0 R_ARM_NONE __aeabi_unwind_cpp_pr1 0x0
 106 @ CHECK:    0x4 R_ARM_PREL31 .ARM.extab.TEST2 0x0
 107 @ CHECK:  ]