1# RUN: ld64.lld.darwinold -arch armv7 -r -print_atoms %s \ 2# RUN: %p/Inputs/arm-interworking.yaml -o %t | FileCheck %s \ 3# RUN: && ld64.lld.darwinold -arch armv7 -dylib -print_atoms \ 4# RUN: %p/Inputs/armv7/libSystem.yaml %t -o %t2 | FileCheck %s \ 5# RUN: && llvm-readobj -S --section-data %t2 | FileCheck -check-prefix=CODE %s 6# 7# Test thumb and arm branches round trip through -r. 8# Test bl/blx instructions are fixed up properly. 9# 10# 11 12--- !mach-o 13arch: armv7 14file-type: MH_OBJECT 15flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ] 16sections: 17 - segment: __TEXT 18 section: __text 19 type: S_REGULAR 20 attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ] 21 alignment: 2 22 address: 0x0000000000000000 23 content: [ 0xFF, 0xF7, 0xFE, 0xFF, 0xC0, 0x46, 0xFF, 0xF7, 24 0xFC, 0xEF, 0xC0, 0x46, 0xFF, 0xF7, 0xF8, 0xEF, 25 0xFF, 0xF7, 0xF6, 0xFF, 0xC0, 0x46, 0xFF, 0xF7, 26 0xF3, 0xFF, 0xC0, 0x46, 0x00, 0xF0, 0x06, 0xE8, 27 0xC0, 0x46, 0x00, 0xF0, 0x03, 0xF8, 0x00, 0xF0, 28 0x02, 0xF8, 0x70, 0x47, 0x70, 0x47, 0x70, 0x47 ] 29 relocations: 30 - offset: 0x00000026 31 type: ARM_THUMB_RELOC_BR22 32 length: 2 33 pc-rel: true 34 extern: false 35 symbol: 1 36 - offset: 0x00000022 37 type: ARM_THUMB_RELOC_BR22 38 length: 2 39 pc-rel: true 40 extern: false 41 symbol: 1 42 - offset: 0x0000001C 43 type: ARM_THUMB_RELOC_BR22 44 length: 2 45 pc-rel: true 46 extern: false 47 symbol: 1 48 - offset: 0x00000016 49 type: ARM_THUMB_RELOC_BR22 50 length: 2 51 pc-rel: true 52 extern: false 53 symbol: 1 54 - offset: 0x00000010 55 type: ARM_THUMB_RELOC_BR22 56 length: 2 57 pc-rel: true 58 extern: false 59 symbol: 1 60 - offset: 0x0000000C 61 type: ARM_THUMB_RELOC_BR22 62 length: 2 63 pc-rel: true 64 extern: true 65 symbol: 5 66 - offset: 0x00000006 67 type: ARM_THUMB_RELOC_BR22 68 length: 2 69 pc-rel: true 70 extern: true 71 symbol: 5 72 - offset: 0x00000000 73 type: ARM_THUMB_RELOC_BR22 74 length: 2 75 pc-rel: true 76 extern: true 77 symbol: 4 78 - segment: __DATA 79 section: __data 80 type: S_REGULAR 81 attributes: [ ] 82 address: 0x0000000000000030 83 content: [ 0x2D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ] 84 relocations: 85 - offset: 0x00000004 86 type: ARM_RELOC_VANILLA 87 length: 2 88 pc-rel: false 89 extern: true 90 symbol: 4 91 - offset: 0x00000000 92 type: ARM_RELOC_VANILLA 93 length: 2 94 pc-rel: false 95 extern: false 96 symbol: 1 97local-symbols: 98 - name: _t3 99 type: N_SECT 100 sect: 1 101 desc: [ N_ARM_THUMB_DEF ] 102 value: 0x000000000000002E 103 - name: _d1 104 type: N_SECT 105 sect: 2 106 value: 0x0000000000000030 107global-symbols: 108 - name: _t1 109 type: N_SECT 110 scope: [ N_EXT ] 111 sect: 1 112 desc: [ N_ARM_THUMB_DEF ] 113 value: 0x0000000000000000 114 - name: _t2 115 type: N_SECT 116 scope: [ N_EXT ] 117 sect: 1 118 desc: [ N_ARM_THUMB_DEF ] 119 value: 0x000000000000002C 120undefined-symbols: 121 - name: _a1 122 type: N_UNDF 123 scope: [ N_EXT ] 124 value: 0x0000000000000000 125 - name: _a2 126 type: N_UNDF 127 scope: [ N_EXT ] 128 value: 0x0000000000000000 129 130... 131 132 133# CHECK: defined-atoms: 134# CHECK: - name: _d1 135# CHECK: type: data 136# CHECK: references: 137# CHECK: - kind: pointer32 138# CHECK: offset: 0 139# CHECK: target: _t2 140# CHECK: - kind: pointer32 141# CHECK: offset: 4 142# CHECK: target: _a1 143# CHECK: - name: _d2 144# CHECK: type: data 145# CHECK: references: 146# CHECK: - kind: pointer32 147# CHECK: offset: 0 148# CHECK: target: _t1 149# CHECK: - kind: pointer32 150# CHECK: offset: 4 151# CHECK: target: _a1 152# CHECK: - name: _t1 153# CHECK: scope: global 154# CHECK: references: 155# CHECK: - kind: modeThumbCode 156# CHECK: offset: 0 157# CHECK: target: _t1 158# CHECK: - kind: thumb_bl22 159# CHECK: offset: 0 160# CHECK: target: _a1 161# CHECK: - kind: thumb_bl22 162# CHECK: offset: 6 163# CHECK: target: _a2 164# CHECK: - kind: thumb_bl22 165# CHECK: offset: 12 166# CHECK: target: _a2 167# CHECK: - kind: thumb_bl22 168# CHECK: offset: 16 169# CHECK: target: _t1 170# CHECK: - kind: thumb_bl22 171# CHECK: offset: 22 172# CHECK: target: _t1 173# CHECK: - kind: thumb_bl22 174# CHECK: offset: 28 175# CHECK: target: _t2 176# CHECK: - kind: thumb_bl22 177# CHECK: offset: 34 178# CHECK: target: _t2 179# CHECK: - kind: thumb_bl22 180# CHECK: offset: 38 181# CHECK: target: _t3 182# CHECK: - name: _t2 183# CHECK: scope: global 184# CHECK: content: [ 70, 47 ] 185# CHECK: references: 186# CHECK: - kind: modeThumbCode 187# CHECK: offset: 0 188# CHECK: target: _t2 189# CHECK: - name: _t3 190# CHECK: content: [ 70, 47 ] 191# CHECK: references: 192# CHECK: - kind: modeThumbCode 193# CHECK: offset: 0 194# CHECK: target: _t3 195# CHECK: - name: _a1 196# CHECK: scope: global 197# CHECK: references: 198# CHECK: - kind: arm_bl24 199# CHECK: offset: 0 200# CHECK: target: _a1 201# CHECK: - kind: arm_bl24 202# CHECK: offset: 4 203# CHECK: target: _a2 204# CHECK: - kind: arm_bl24 205# CHECK: offset: 8 206# CHECK: target: _t1 207# CHECK: - kind: arm_bl24 208# CHECK: offset: 12 209# CHECK: target: _t2 210# CHECK: - name: _a2 211# CHECK: scope: global 212 213# CODE: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00) 214# CODE: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00) 215# CODE: SectionData ( 216# CODE: 0000: 00F016E8 C04600F0 1EE8C046 00F01AE8 217# CODE: 0010: FFF7F6FF C046FFF7 F3FFC046 00F006F8 218# CODE: 0020: C04600F0 03F800F0 02F87047 70477047 219# CODE: 0030: FEFFFFEB 020000EB F0FFFFFA FAFFFFFA 220# CODE: 0040: 1EFF2FE1 1EFF2FE1 221# CODE: ) 222 223# CODE: Name: __data (5F 5F 64 61 74 61 00 00 00 00 00 00 00 00 00 00) 224# CODE: Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00) 225# CODE: SectionData ( 226# CODE: 0000: E50F0000 E80F0000 B90F0000 E80F0000 227# CODE: ) 228 229# When we get a good mach-o disassembler the above __text section content check can be change to be symbolic. 230# Verify the low (thumb) bit is set on the first and third pointers but not the second and fourth. 231 232 233 234# Input file one: 235# 236# .align 2 237# .code 16 238# .globl _t1 239# .thumb_func _t1 240#_t1: 241# bl _a1 242# nop 243# blx _a2 244# nop 245# blx _a2 246# bl _t1 247# nop 248# bl _t1 249# nop 250# blx _t2 251# nop 252# blx _t2 253# bx lr 254# 255# .globl _t2 256# .thumb_func _t2 257#_t2: 258# bx lr 259# 260# .data 261#_d1: .long _t2 262# .long _a1 263 264 265 266# Input file two: 267# 268# .align 2 269# .code 32 270# .globl _a1 271#_a1: 272# bl _a1 273# blx _a2 274# bl _t1 275# blx _t2 276# bx lr 277# 278# .globl _a2 279#_a2: 280# bx lr 281# 282# .data 283#_d2: .long _t1 284# .long _a1 285 286 287 288 289