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150
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1 # REQUIRES: x86, zlib
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2 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t1.o
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3 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/gdb-index.s -o %t2.o
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4 # RUN: ld.lld --gdb-index %t1.o %t2.o -o %t
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5
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6 # RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=DISASM
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7 # RUN: llvm-dwarfdump -gdb-index %t | FileCheck %s --check-prefix=DWARF
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8 # RUN: llvm-readelf -sections %t | FileCheck %s --check-prefix=SECTION
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9
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10 # RUN: llvm-mc -compress-debug-sections=zlib-gnu -filetype=obj -triple=x86_64-pc-linux \
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11 # RUN: %p/Inputs/gdb-index.s -o %t2.o
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12 # RUN: ld.lld --gdb-index %t1.o %t2.o -o %t
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13
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14 # RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=DISASM
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15 # RUN: llvm-dwarfdump -gdb-index %t | FileCheck %s --check-prefix=DWARF
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16 # RUN: llvm-readelf -sections %t | FileCheck %s --check-prefix=SECTION
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17
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18 # DISASM: Disassembly of section .text:
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19 # DISASM-EMPTY:
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173
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20 # DISASM: <entrypoint>:
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150
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21 # DISASM-CHECK: 201000: 90 nop
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22 # DISASM-CHECK: 201001: cc int3
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23 # DISASM-CHECK: 201002: cc int3
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24 # DISASM-CHECK: 201003: cc int3
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173
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25 # DISASM: <aaaaaaaaaaaaaaaa>:
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150
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26 # DISASM-CHECK: 201004: 90 nop
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27 # DISASM-CHECK: 201005: 90 nop
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28
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29 # DWARF: .gdb_index contents:
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30 # DWARF-NEXT: Version = 7
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31 # DWARF: CU list offset = 0x18, has 2 entries:
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32 # DWARF-NEXT: 0: Offset = 0x0, Length = 0x34
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33 # DWARF-NEXT: 1: Offset = 0x34, Length = 0x34
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34 # DWARF: Address area offset = 0x38, has 2 entries:
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35 # DWARF-NEXT: Low/High address = [0x201120, 0x201121) (Size: 0x1), CU id = 0
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36 # DWARF-NEXT: Low/High address = [0x201124, 0x201126) (Size: 0x2), CU id = 1
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37 # DWARF: Symbol table offset = 0x60, size = 1024, filled slots:
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38 # DWARF-NEXT: 512: Name offset = 0x1c, CU vector offset = 0x0
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39 # DWARF-NEXT: String name: aaaaaaaaaaaaaaaa, CU vector index: 0
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40 # DWARF-NEXT: 754: Name offset = 0x38, CU vector offset = 0x10
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41 # DWARF-NEXT: String name: int, CU vector index: 2
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42 # DWARF-NEXT: 822: Name offset = 0x2d, CU vector offset = 0x8
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43 # DWARF-NEXT: String name: entrypoint, CU vector index: 1
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44 # DWARF: Constant pool offset = 0x2060, has 3 CU vectors:
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45 # DWARF-NEXT: 0(0x0): 0x30000001
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46 # DWARF-NEXT: 1(0x8): 0x30000000
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47 # DWARF-NEXT: 2(0x10): 0x90000000 0x90000001
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48
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49 # SECTION-NOT: debug_gnu_pubnames
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50
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51 # RUN: ld.lld --gdb-index --no-gdb-index %t1.o %t2.o -o %t2
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52 # RUN: llvm-readobj --sections %t2 | FileCheck -check-prefix=NOGDB %s
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53 # NOGDB-NOT: Name: .gdb_index
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54
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55 ## The following section contents are created by this using gcc 7.1.0:
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56 ## echo 'int entrypoint() { return 0; }' | gcc -gsplit-dwarf -xc++ -S -o- -
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57
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58 .text
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59 .Ltext0:
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60 .globl entrypoint
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61 .type entrypoint, @function
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62 entrypoint:
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63 nop
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64 .Letext0:
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65
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66 .section .debug_info,"",@progbits
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67 .long 0x30
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68 .value 0x4
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69 .long 0
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70 .byte 0x8
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71 .uleb128 0x1
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72 .quad .Ltext0
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73 .quad .Letext0-.Ltext0
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74 .long 0
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75 .long 0
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76 .long 0
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77 .long 0
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78 .byte 0x63
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79 .byte 0x88
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80 .byte 0xb4
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81 .byte 0x61
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82 .byte 0xaa
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83 .byte 0xb6
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84 .byte 0xb0
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85 .byte 0x67
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86
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87 .section .debug_abbrev,"",@progbits
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88 .uleb128 0x1
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89 .uleb128 0x11
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90 .byte 0
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91 .uleb128 0x11
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92 .uleb128 0x1
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93 .uleb128 0x12
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94 .uleb128 0x7
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95 .uleb128 0x10
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96 .uleb128 0x17
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97 .uleb128 0x2130
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98 .uleb128 0xe
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99 .uleb128 0x1b
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100 .uleb128 0xe
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101 .uleb128 0x2134
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102 .uleb128 0x19
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103 .uleb128 0x2133
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104 .uleb128 0x17
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105 .uleb128 0x2131
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106 .uleb128 0x7
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107 .byte 0
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108 .byte 0
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109 .byte 0
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110
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111 .section .debug_gnu_pubnames,"",@progbits
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112 .long 0x18
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113 .value 0x2
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114 .long 0
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115 .long 0x33
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116 .long 0x18
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117 .byte 0x30
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118 .string "entrypoint"
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119 .long 0
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120
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121 .section .debug_gnu_pubtypes,"",@progbits
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122 .long 0x17
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123 .value 0x2
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124 .long 0
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125 .long 0x33
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126 .long 0x2b
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127 .byte 0x90
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128 .string "int"
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129 .long 0
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