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