llvm/test/ExecutionEngine/JITLink/X86/ELF_ehframe_basic.s

   1 # REQUIRES: asserts
   2 # UNSUPPORTED: system-windows
   3 # RUN: llvm-mc -triple=x86_64-unknown-linux -position-independent \
   4 # RUN:     -filetype=obj -o %t %s
   5 # RUN: llvm-jitlink -debug-only=jitlink -define-abs bar=0x01 \
   6 # RUN:     -define-abs _ZTIi=0x02 -noexec %t 2>&1 | FileCheck %s
   7 #
   8 # FIXME: This test should run on windows. Investigate spurious
   9 # 'note: command had no output on stdout or stderr' errors, then re-enable.
  10 #
  11 # Check that a basic .eh-frame section is recognized and parsed. We
  12 # Expect to see two FDEs with corresponding keep-alive edges.
  13 #
  14 # CHECK: Adding keep-alive edge from target at {{.*}} to FDE at
  15 # CHECK: Adding keep-alive edge from target at {{.*}} to FDE at
  16
  17         .text
  18         .file   "exceptions.cpp"
  19         .globl  foo
  20         .p2align        4, 0x90
  21         .type   foo,@function
  22 foo:
  23         .cfi_startproc
  24
  25         pushq   %rax
  26         .cfi_def_cfa_offset 16
  27         movl    $4, %edi
  28         callq   __cxa_allocate_exception@PLT
  29         movl    $1, (%rax)
  30         movq    _ZTIi@GOTPCREL(%rip), %rsi
  31         movq    %rax, %rdi
  32         xorl    %edx, %edx
  33         callq   __cxa_throw@PLT
  34 .Lfunc_end0:
  35         .size   foo, .Lfunc_end0-foo
  36         .cfi_endproc
  37
  38         .globl  main
  39         .p2align        4, 0x90
  40         .type   main,@function
  41 main:
  42 .Lfunc_begin0:
  43         .cfi_startproc
  44         .cfi_personality 155, DW.ref.__gxx_personality_v0
  45         .cfi_lsda 27, .Lexception0
  46
  47         pushq   %rbx
  48         .cfi_def_cfa_offset 16
  49         .cfi_offset %rbx, -16
  50         xorl    %ebx, %ebx
  51 .Ltmp0:
  52         callq   bar@PLT
  53 .Ltmp1:
  54
  55         movl    %ebx, %eax
  56         popq    %rbx
  57         .cfi_def_cfa_offset 8
  58         retq
  59 .LBB1_1:
  60         .cfi_def_cfa_offset 16
  61 .Ltmp2:
  62         movq    %rax, %rdi
  63         callq   __cxa_begin_catch@PLT
  64         callq   __cxa_end_catch@PLT
  65         movl    $1, %ebx
  66         movl    %ebx, %eax
  67         popq    %rbx
  68         .cfi_def_cfa_offset 8
  69         retq
  70 .Lfunc_end1:
  71         .size   main, .Lfunc_end1-main
  72         .cfi_endproc
  73         .section        .gcc_except_table,"a",@progbits
  74         .p2align        2
  75 GCC_except_table1:
  76 .Lexception0:
  77         .byte   255
  78         .byte   156
  79         .uleb128 .Lttbase0-.Lttbaseref0
  80 .Lttbaseref0:
  81         .byte   1
  82         .uleb128 .Lcst_end0-.Lcst_begin0
  83 .Lcst_begin0:
  84         .uleb128 .Ltmp0-.Lfunc_begin0
  85         .uleb128 .Ltmp1-.Ltmp0
  86         .uleb128 .Ltmp2-.Lfunc_begin0
  87         .byte   1
  88         .uleb128 .Ltmp1-.Lfunc_begin0
  89         .uleb128 .Lfunc_end1-.Ltmp1
  90         .byte   0
  91         .byte   0
  92 .Lcst_end0:
  93         .byte   1
  94
  95         .byte   0
  96         .p2align        2
  97
  98 .Ltmp3:
  99         .quad   .L_ZTIi.DW.stub-.Ltmp3
 100 .Lttbase0:
 101         .p2align        2
 102
 103         .data
 104         .p2align        3
 105 .L_ZTIi.DW.stub:
 106         .quad   _ZTIi
 107         .hidden DW.ref.__gxx_personality_v0
 108         .weak   DW.ref.__gxx_personality_v0
 109         .section        .data.DW.ref.__gxx_personality_v0,"aGw",@progbits,DW.ref.__gxx_personality_v0,comdat
 110         .p2align        3
 111         .type   DW.ref.__gxx_personality_v0,@object
 112         .size   DW.ref.__gxx_personality_v0, 8
 113 DW.ref.__gxx_personality_v0:
 114         .quad   __gxx_personality_v0
 115         .ident  "clang version 12.0.0 (git@github.com:llvm/llvm-project.git afd483e57d166418e94a65bd9716e7dc4c114eed)"
 116         .section        ".note.GNU-stack","",@progbits
 117         .addrsig
 118         .addrsig_sym __gxx_personality_v0
 119         .addrsig_sym _ZTIi