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1 // REQUIRES: x86
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2 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t
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3 // RUN: llvm-readobj --symbols %t | FileCheck %s
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4
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5 // Verify that the symbol _start is in a section with an index >= SHN_LORESERVE.
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6 // CHECK: Name: _start
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7 // CHECK-NEXT: Value: 0x0
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8 // CHECK-NEXT: Size: 0
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9 // CHECK-NEXT: Binding: Global
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10 // CHECK-NEXT: Type: None
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11 // CHECK-NEXT: Other: 0
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12 // CHECK-NEXT: Section: dm (0xFF00)
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13
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14 // RUN: ld.lld %t -o %t2
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15 // RUN: llvm-readobj --symbols %t2 | FileCheck --check-prefix=LINKED %s
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16
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17 // Test also with a linker script.
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18 // RUN: echo "SECTIONS { . = SIZEOF_HEADERS; .text : { *(.text) } }" > %t.script
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19 // RUN: ld.lld -T %t.script %t -o %t2
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20 // RUN: llvm-readobj --symbols %t2 | FileCheck --check-prefix=LINKED %s
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21
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22 // Test that _start is in the correct section.
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23 // LINKED: Name: _start
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24 // LINKED-NEXT: Value: 0x0
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25 // LINKED-NEXT: Size: 0
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26 // LINKED-NEXT: Binding: Global
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27 // LINKED-NEXT: Type: None
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28 // LINKED-NEXT: Other: 0
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29 // LINKED-NEXT: Section: dm
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30
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31 .macro gen_sections4 x
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32 .section a\x
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33 .section b\x
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34 .section c\x
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35 .section d\x
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36 .endm
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37
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38 .macro gen_sections8 x
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39 gen_sections4 a\x
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40 gen_sections4 b\x
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41 .endm
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42
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43 .macro gen_sections16 x
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44 gen_sections8 a\x
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45 gen_sections8 b\x
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46 .endm
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47
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48 .macro gen_sections32 x
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49 gen_sections16 a\x
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50 gen_sections16 b\x
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51 .endm
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52
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53 .macro gen_sections64 x
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54 gen_sections32 a\x
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55 gen_sections32 b\x
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56 .endm
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57
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58 .macro gen_sections128 x
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59 gen_sections64 a\x
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60 gen_sections64 b\x
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61 .endm
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62
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63 .macro gen_sections256 x
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64 gen_sections128 a\x
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65 gen_sections128 b\x
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66 .endm
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67
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68 .macro gen_sections512 x
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69 gen_sections256 a\x
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70 gen_sections256 b\x
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71 .endm
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72
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73 .macro gen_sections1024 x
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74 gen_sections512 a\x
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75 gen_sections512 b\x
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76 .endm
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77
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78 .macro gen_sections2048 x
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79 gen_sections1024 a\x
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80 gen_sections1024 b\x
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81 .endm
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82
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83 .macro gen_sections4096 x
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84 gen_sections2048 a\x
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85 gen_sections2048 b\x
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86 .endm
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87
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88 .macro gen_sections8192 x
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89 gen_sections4096 a\x
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90 gen_sections4096 b\x
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91 .endm
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92
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93 .macro gen_sections16384 x
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94 gen_sections8192 a\x
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95 gen_sections8192 b\x
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96 .endm
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97
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98 .macro gen_sections32768 x
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99 gen_sections16384 a\x
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100 gen_sections16384 b\x
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101 .endm
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102
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103 .bss
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104 .section bar
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105
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106 gen_sections32768 a
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107 gen_sections16384 b
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108 gen_sections8192 c
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109 gen_sections4096 d
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110 gen_sections2048 e
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111 gen_sections1024 f
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112 gen_sections512 g
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113 gen_sections128 h
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114 gen_sections64 i
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115 gen_sections32 j
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116 gen_sections16 k
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117 gen_sections8 l
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118 gen_sections4 m
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119
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120 .global _start
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121 _start:
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