test/MC/ARM/eh-compact-pr0.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 compact pr0 model
   5
   6         .syntax unified
   7
   8         .section        .TEST1
   9         .globl  func1
  10         .align  2
  11         .type   func1,%function
  12 func1:
  13         .fnstart
  14         .save   {r11, lr}
  15         push    {r11, lr}
  16         .setfp  r11, sp
  17         mov     r11, sp
  18         pop     {r11, lr}
  19         mov     pc, lr
  20         .fnend
  21
  22         .section        .TEST2
  23         .globl  func2
  24         .align  2
  25         .type   func2,%function
  26 func2:
  27         .fnstart
  28         .save   {r11, lr}
  29         push    {r11, lr}
  30         pop     {r11, pc}
  31         .fnend
  32
  33
  34
  35 @-------------------------------------------------------------------------------
  36 @ Check .TEST1 section
  37 @-------------------------------------------------------------------------------
  38 @ CHECK: Sections [
  39 @ CHECK:   Section {
  40 @ CHECK:     Name: .TEST1
  41 @ CHECK:     SectionData (
  42 @ CHECK:       0000: 00482DE9 0DB0A0E1 0048BDE8 0EF0A0E1  |.H-......H......|
  43 @ CHECK:     )
  44 @ CHECK:   }
  45
  46
  47 @-------------------------------------------------------------------------------
  48 @ Check .ARM.exidx.TEST1 section
  49 @-------------------------------------------------------------------------------
  50 @ CHECK:   Section {
  51 @ CHECK:     Name: .ARM.exidx.TEST1
  52 @-------------------------------------------------------------------------------
  53 @ 0x80   = Compact model 0, personality routine: __aeabi_unwind_cpp_pr0
  54 @ 0x9B   = $sp can be found in $r11
  55 @ 0x8480 = pop {r11, r14}
  56 @-------------------------------------------------------------------------------
  57 @ CHECK:     SectionData (
  58 @ CHECK:       0000: 00000000 80849B80                    |........|
  59 @ CHECK:     )
  60 @ CHECK:   }
  61 @-------------------------------------------------------------------------------
  62 @ The first word should be relocated to .TEST1 section.  Besides, there is
  63 @ another relocation entry for __aeabi_unwind_cpp_pr0, so that the linker
  64 @ will keep __aeabi_unwind_cpp_pr0.
  65 @-------------------------------------------------------------------------------
  66 @ CHECK:     Relocations [
  67 @ CHECK:       0x0 R_ARM_PREL31 .TEST1 0x0
  68 @ CHECK:       0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0
  69 @ CHECK:     ]
  70
  71
  72 @-------------------------------------------------------------------------------
  73 @ Check .TEST2 section
  74 @-------------------------------------------------------------------------------
  75 @ CHECK:   Section {
  76 @ CHECK:     Name: .TEST2
  77 @ CHECK:     SectionData (
  78 @ CHECK:       0000: 00482DE9 0088BDE8                    |.H-.....|
  79 @ CHECK:     )
  80 @ CHECK:   }
  81 @-------------------------------------------------------------------------------
  82 @ Check .ARM.exidx.TEST1 section
  83 @-------------------------------------------------------------------------------
  84 @ CHECK:   Section {
  85 @ CHECK:     Name: .ARM.exidx.TEST2
  86 @-------------------------------------------------------------------------------
  87 @ 0x80   = Compact model 0, personality routine: __aeabi_unwind_cpp_pr0
  88 @ 0x8480 = pop {r11, r14}
  89 @ 0xB0   = finish
  90 @-------------------------------------------------------------------------------
  91 @ CHECK:     SectionData (
  92 @ CHECK:       0000: 00000000 B0808480                    |........|
  93 @ CHECK:     )
  94 @ CHECK:   }
  95 @ CHECK: ]
  96 @-------------------------------------------------------------------------------
  97 @ The first word should be relocated to .TEST2 section.  Besides, there is
  98 @ another relocation entry for __aeabi_unwind_cpp_pr0, so that the linker
  99 @ will keep __aeabi_unwind_cpp_pr0.
 100 @-------------------------------------------------------------------------------
 101 @ CHECK:     Relocations [
 102 @ CHECK:       0x0 R_ARM_PREL31 .TEST2 0x0
 103 @ CHECK:       0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0
 104 @ CHECK:     ]