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1 # RUN: ld64.lld -arch armv7 %s %p/Inputs/arm-shims.yaml \
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2 # RUN: -dylib %p/Inputs/armv7/libSystem.yaml -o %t
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3 # RUN: llvm-readobj -S --section-data %t | FileCheck %s
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4 #
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5 # Test b from arm to thumb or vice versa has shims added.s
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6 #
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7 #
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8
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9 --- !mach-o
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10 arch: armv7
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11 file-type: MH_OBJECT
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12 flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]
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13 sections:
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14 - segment: __TEXT
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15 section: __text
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16 type: S_REGULAR
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17 attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
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18 alignment: 2
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19 address: 0x0000000000000000
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20 content: [ 0x00, 0xBF, 0xFF, 0xF7, 0xFE, 0xEF, 0xFF, 0xF7,
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21 0xFB, 0xBF, 0x00, 0x00, 0x00, 0xF0, 0x20, 0xE3,
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22 0xFA, 0xFF, 0xFF, 0xFA, 0xF9, 0xFF, 0xFF, 0xEA ]
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23 relocations:
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24 - offset: 0x00000014
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25 type: ARM_RELOC_BR24
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26 length: 2
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27 pc-rel: true
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28 extern: true
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29 symbol: 3
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30 - offset: 0x00000010
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31 type: ARM_RELOC_BR24
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32 length: 2
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33 pc-rel: true
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34 extern: true
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35 symbol: 3
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36 - offset: 0x00000006
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37 type: ARM_THUMB_RELOC_BR22
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38 length: 2
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39 pc-rel: true
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40 extern: true
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41 symbol: 2
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42 - offset: 0x00000002
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43 type: ARM_THUMB_RELOC_BR22
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44 length: 2
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45 pc-rel: true
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46 extern: true
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47 symbol: 2
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48 global-symbols:
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49 - name: _a1
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50 type: N_SECT
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51 scope: [ N_EXT ]
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52 sect: 1
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53 value: 0x000000000000000C
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54 - name: _t1
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55 type: N_SECT
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56 scope: [ N_EXT ]
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57 sect: 1
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58 desc: [ N_ARM_THUMB_DEF ]
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59 value: 0x0000000000000000
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60 undefined-symbols:
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61 - name: _a2
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62 type: N_UNDF
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63 scope: [ N_EXT ]
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64 value: 0x0000000000000000
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65 - name: _t2
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66 type: N_UNDF
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67 scope: [ N_EXT ]
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68 value: 0x0000000000000000
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69
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70 ...
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71
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72 # CHECK: Section {
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73 # CHECK: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
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74 # CHECK: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
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75 # CHECK: SectionData (
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76 # CHECK: 0000: 00BF00F0 10E800F0 19B80000 00F020E3
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77 # CHECK: 0010: 000000FA 0F0000EA 00BFFFF7 F8EF00F0
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78 # CHECK: 0020: 07B80000 00F020E3 F4FFFFFA 050000EA
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79 # CHECK: 0030: DFF804C0 FF446047 D4FFFFFF DFF804C0
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80 # CHECK: 0040: FF446047 E0FFFFFF 04C09FE5 0CC08FE0
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81 # CHECK: 0050: 1CFF2FE1 ADFFFFFF 04C09FE5 0CC08FE0
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82 # CHECK: 0060: 1CFF2FE1 B5FFFFFF
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83 # CHECK: )
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84
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85 # When we get a good mach-o disassembler the above __text section content check can be change to be symbolic.
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86
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87
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88 # Input file one:
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89 #
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90 # .align 2
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91 # .code 16
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92 # .globl _t1
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93 # .thumb_func _t1
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94 #_t1:
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95 # nop
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96 # blx _a2
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97 # b _a2
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98 #
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99 # .code 32
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100 # .align 2
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101 # .globl _a1
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102 #_a1:
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103 # nop
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104 # blx _t2
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105 # b _t2
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106
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107
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108
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109 # Input file two:
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110 #
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111 # .align 2
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112 # .code 16
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113 # .globl _t2
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114 # .thumb_func _t2
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115 #_t2:
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116 # nop
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117 # blx _a1
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118 # b _a1
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119 #
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120 # .code 32
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121 # .align 2
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122 # .globl _a2
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123 #_a2:
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124 # nop
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125 # blx _t1
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126 # b _t1
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