test/MC/ARM/eh-compact-pr1.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 pr1 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   {r4, r5, r11, lr}
  15         push    {r4, r5, r11, lr}
  16         add     r0, r1, r0
  17         .setfp  r11, sp, #8
  18         add     r11, sp, #8
  19         pop     {r4, r5, r11, pc}
  20         .fnend
  21
  22
  23
  24 @-------------------------------------------------------------------------------
  25 @ Check .TEST1 section
  26 @-------------------------------------------------------------------------------
  27 @ CHECK: Sections [
  28 @ CHECK:   Section {
  29 @ CHECK:     Name: .TEST1
  30 @ CHECK:     SectionData (
  31 @ CHECK:       0000: 30482DE9 000081E0 08B08DE2 3088BDE8  |0H-.........0...|
  32 @ CHECK:     )
  33 @ CHECK:   }
  34
  35
  36 @-------------------------------------------------------------------------------
  37 @ Check .ARM.extab.TEST1 section
  38 @-------------------------------------------------------------------------------
  39 @ CHECK:   Section {
  40 @ CHECK:     Name: .ARM.extab.TEST1
  41 @-------------------------------------------------------------------------------
  42 @ 0x81   = Compact model 1, personality routine: __aeabi_unwind_cpp_pr1
  43 @ 0x9B   = $sp can be found in $r11
  44 @ 0x41   = $sp = $sp - 8
  45 @ 0x8483 = pop {r4, r5, r11, r14}
  46 @ 0xB0   = finish
  47 @-------------------------------------------------------------------------------
  48 @ CHECK:     SectionData (
  49 @ CHECK:       0000: 419B0181 B0B08384 00000000           |A...........|
  50 @ CHECK:     )
  51 @ CHECK:   }
  52
  53
  54 @-------------------------------------------------------------------------------
  55 @ Check .ARM.exidx.TEST1 section
  56 @-------------------------------------------------------------------------------
  57 @ CHECK:   Section {
  58 @ CHECK:     Name: .ARM.exidx.TEST1
  59 @ CHECK:     SectionData (
  60 @ CHECK:       0000: 00000000 00000000                    |........|
  61 @ CHECK:     )
  62 @ CHECK:   }
  63 @ CHECK: ]
  64 @-------------------------------------------------------------------------------
  65 @ The first word should be relocated to .TEST1 section, and the second word
  66 @ should be relocated to .ARM.extab.TEST1 section.  Besides, there is
  67 @ another relocation entry for __aeabi_unwind_cpp_pr1, so that the linker
  68 @ will keep __aeabi_unwind_cpp_pr1.
  69 @-------------------------------------------------------------------------------
  70 @ CHECK:     Relocations [
  71 @ CHECK:       0x0 R_ARM_NONE __aeabi_unwind_cpp_pr1 0x0
  72 @ CHECK:       0x0 R_ARM_PREL31 .TEST1 0x0
  73 @ CHECK:       0x4 R_ARM_PREL31 .ARM.extab.TEST1 0x0
  74 @ CHECK:     ]