llvm/test/ExecutionEngine/JITLink/x86-64/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 -num-threads=0 -debug-only=jitlink -noexec \
   6 # RUN:              -abs bar=0x01 -abs _ZTIi=0x02 %t 2>&1 \
   7 # RUN:              | FileCheck %s
   8 #
   9 # FIXME: This test should run on windows. Investigate spurious
  10 # 'note: command had no output on stdout or stderr' errors, then re-enable.
  11 #
  12 # Check that a basic .eh-frame section is recognized and parsed. We
  13 # Expect to see two FDEs with corresponding keep-alive edges.
  14 #
  15 # CHECK: Adding keep-alive edge from target at {{.*}} to FDE at
  16 # CHECK: Adding keep-alive edge from target at {{.*}} to FDE at
  17
  18         .text
  19         .file   "exceptions.cpp"
  20         .globl  foo
  21         .p2align        4, 0x90
  22         .type   foo,@function
  23 foo:
  24         .cfi_startproc
  25
  26         pushq   %rax
  27         .cfi_def_cfa_offset 16
  28         movl    $4, %edi
  29         callq   __cxa_allocate_exception@PLT
  30         movl    $1, (%rax)
  31         movq    _ZTIi@GOTPCREL(%rip), %rsi
  32         movq    %rax, %rdi
  33         xorl    %edx, %edx
  34         callq   __cxa_throw@PLT
  35 .Lfunc_end0:
  36         .size   foo, .Lfunc_end0-foo
  37         .cfi_endproc
  38
  39         .globl  main
  40         .p2align        4, 0x90
  41         .type   main,@function
  42 main:
  43 .Lfunc_begin0:
  44         .cfi_startproc
  45         .cfi_personality 155, DW.ref.__gxx_personality_v0
  46         .cfi_lsda 27, .Lexception0
  47
  48         pushq   %rbx
  49         .cfi_def_cfa_offset 16
  50         .cfi_offset %rbx, -16
  51         xorl    %ebx, %ebx
  52 .Ltmp0:
  53         callq   bar@PLT
  54 .Ltmp1:
  55
  56         movl    %ebx, %eax
  57         popq    %rbx
  58         .cfi_def_cfa_offset 8
  59         retq
  60 .LBB1_1:
  61         .cfi_def_cfa_offset 16
  62 .Ltmp2:
  63         movq    %rax, %rdi
  64         callq   __cxa_begin_catch@PLT
  65         callq   __cxa_end_catch@PLT
  66         movl    $1, %ebx
  67         movl    %ebx, %eax
  68         popq    %rbx
  69         .cfi_def_cfa_offset 8
  70         retq
  71 .Lfunc_end1:
  72         .size   main, .Lfunc_end1-main
  73         .cfi_endproc
  74         .section        .gcc_except_table,"a",@progbits
  75         .p2align        2
  76 GCC_except_table1:
  77 .Lexception0:
  78         .byte   255
  79         .byte   156
  80         .uleb128 .Lttbase0-.Lttbaseref0
  81 .Lttbaseref0:
  82         .byte   1
  83         .uleb128 .Lcst_end0-.Lcst_begin0
  84 .Lcst_begin0:
  85         .uleb128 .Ltmp0-.Lfunc_begin0
  86         .uleb128 .Ltmp1-.Ltmp0
  87         .uleb128 .Ltmp2-.Lfunc_begin0
  88         .byte   1
  89         .uleb128 .Ltmp1-.Lfunc_begin0
  90         .uleb128 .Lfunc_end1-.Ltmp1
  91         .byte   0
  92         .byte   0
  93 .Lcst_end0:
  94         .byte   1
  95
  96         .byte   0
  97         .p2align        2
  98
  99 .Ltmp3:
 100         .quad   .L_ZTIi.DW.stub-.Ltmp3
 101 .Lttbase0:
 102         .p2align        2
 103
 104         .data
 105         .p2align        3
 106 .L_ZTIi.DW.stub:
 107         .quad   _ZTIi
 108         .hidden DW.ref.__gxx_personality_v0
 109         .weak   DW.ref.__gxx_personality_v0
 110         .section        .data.DW.ref.__gxx_personality_v0,"awG",@progbits,DW.ref.__gxx_personality_v0,comdat
 111         .p2align        3
 112         .type   DW.ref.__gxx_personality_v0,@object
 113         .size   DW.ref.__gxx_personality_v0, 8
 114 DW.ref.__gxx_personality_v0:
 115         .quad   __gxx_personality_v0
 116         .ident  "clang version 12.0.0 (git@github.com:llvm/llvm-project.git afd483e57d166418e94a65bd9716e7dc4c114eed)"
 117         .section        ".note.GNU-stack","",@progbits
 118         .addrsig
 119         .addrsig_sym __gxx_personality_v0
 120         .addrsig_sym _ZTIi