llvm/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 - > %t
   3 @ RUN: FileCheck %s < %t
   4 @ RUN: FileCheck --check-prefixes=RELOC,RELOC-NOAND %s < %t
   5 @ RUN: llvm-mc %s -triple=armv7-unknown-linux-androideabi -filetype=obj -o - \
   6 @ RUN:   | llvm-readobj -S --sd --sr - | FileCheck --check-prefix=RELOC %s
   7
   8 @ Check the compact pr0 model
   9
  10         .syntax unified
  11
  12         .section        .TEST1
  13         .globl  func1
  14         .align  2
  15         .type   func1,%function
  16 func1:
  17         .fnstart
  18         .save   {r11, lr}
  19         push    {r11, lr}
  20         .setfp  r11, sp
  21         mov     r11, sp
  22         pop     {r11, lr}
  23         mov     pc, lr
  24         .fnend
  25
  26         .section        .TEST2
  27         .globl  func2
  28         .align  2
  29         .type   func2,%function
  30 func2:
  31         .fnstart
  32         .save   {r11, lr}
  33         push    {r11, lr}
  34         pop     {r11, pc}
  35         .fnend
  36
  37
  38
  39 @-------------------------------------------------------------------------------
  40 @ Check .TEST1 section
  41 @-------------------------------------------------------------------------------
  42 @ CHECK: Sections [
  43 @ CHECK:   Section {
  44 @ CHECK:     Name: .TEST1
  45 @ CHECK:     SectionData (
  46 @ CHECK:       0000: 00482DE9 0DB0A0E1 0048BDE8 0EF0A0E1  |.H-......H......|
  47 @ CHECK:     )
  48 @ CHECK:   }
  49
  50
  51 @-------------------------------------------------------------------------------
  52 @ Check .ARM.exidx.TEST1 section
  53 @-------------------------------------------------------------------------------
  54 @ CHECK:   Section {
  55 @ CHECK:     Name: .ARM.exidx.TEST1
  56 @-------------------------------------------------------------------------------
  57 @ 0x80   = Compact model 0, personality routine: __aeabi_unwind_cpp_pr0
  58 @ 0x9B   = $sp can be found in $r11
  59 @ 0x8480 = pop {r11, r14}
  60 @-------------------------------------------------------------------------------
  61 @ CHECK:     SectionData (
  62 @ CHECK:       0000: 00000000 80849B80                    |........|
  63 @ CHECK:     )
  64 @ CHECK:   }
  65 @-------------------------------------------------------------------------------
  66 @ The first word should be relocated to .TEST1 section.  Besides, on non-Android
  67 @ there is another relocation entry for __aeabi_unwind_cpp_pr0, so that the
  68 @ linker will keep __aeabi_unwind_cpp_pr0.
  69 @-------------------------------------------------------------------------------
  70 @ RELOC:        Section {
  71 @ RELOC:          Name: .rel.ARM.exidx.TEST1
  72 @ RELOC:          Relocations [
  73 @ RELOC-NOAND-NEXT: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0
  74 @ RELOC-NEXT:       0x0 R_ARM_PREL31 .TEST1
  75 @ RELOC-NEXT:     ]
  76
  77 @-------------------------------------------------------------------------------
  78 @ Check .TEST2 section
  79 @-------------------------------------------------------------------------------
  80 @ CHECK:   Section {
  81 @ CHECK:     Name: .TEST2
  82 @ CHECK:     SectionData (
  83 @ CHECK:       0000: 00482DE9 0088BDE8                    |.H-.....|
  84 @ CHECK:     )
  85 @ CHECK:   }
  86 @-------------------------------------------------------------------------------
  87 @ Check .ARM.exidx.TEST1 section
  88 @-------------------------------------------------------------------------------
  89 @ CHECK:   Section {
  90 @ CHECK:     Name: .ARM.exidx.TEST2
  91 @-------------------------------------------------------------------------------
  92 @ 0x80   = Compact model 0, personality routine: __aeabi_unwind_cpp_pr0
  93 @ 0x8480 = pop {r11, r14}
  94 @ 0xB0   = finish
  95 @-------------------------------------------------------------------------------
  96 @ CHECK:     SectionData (
  97 @ CHECK:       0000: 00000000 B0808480                    |........|
  98 @ CHECK:     )
  99 @ CHECK:   }
 100 @-------------------------------------------------------------------------------
 101 @ The first word should be relocated to .TEST2 section.  Besides, on non-Android
 102 @ there is another relocation entry for __aeabi_unwind_cpp_pr0, so that the
 103 @ linker will keep __aeabi_unwind_cpp_pr0.
 104 @-------------------------------------------------------------------------------
 105 @ RELOC:        Section {
 106 @ RELOC:          Name: .rel.ARM.exidx.TEST2
 107 @ RELOC:          Relocations [
 108 @ RELOC-NOAND-NEXT: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0
 109 @ RELOC-NEXT:       0x0 R_ARM_PREL31 .TEST2
 110 @ RELOC-NEXT:     ]