1# REQUIRES: arm 2# RUN: ld64.lld.darwinold -arch armv7 -r -print_atoms %s -o %t | FileCheck %s 3# RUN: ld64.lld.darwinold -arch armv7 -dylib -print_atoms %t -o %t2 \ 4# RUN: %p/Inputs/armv7/libSystem.yaml -sectalign __TEXT __text 0x1000 | FileCheck %s 5# RUN: llvm-objdump -d --macho --no-symbolic-operands %t2 | FileCheck --check-prefix=CODE %s 6# 7# Test thumb and arm branches round trip through -r. 8# Test movw/movt pairs have low bit set properly for thumb vs arm. 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: [ 0x40, 0xF2, 0x25, 0x00, 0xC0, 0xF2, 0x00, 0x00, 24 0x40, 0xF2, 0x01, 0x01, 0xC0, 0xF2, 0x00, 0x01, 25 0x40, 0xF2, 0x4E, 0x02, 0xC0, 0xF2, 0x00, 0x02, 26 0x40, 0xF2, 0x2A, 0x03, 0xC0, 0xF2, 0x00, 0x03, 27 0x78, 0x44, 0x70, 0x47, 0x70, 0x47, 0x25, 0x00, 28 0x00, 0xE3, 0x00, 0x00, 0x40, 0xE3, 0xD7, 0x1F, 29 0x0F, 0xE3, 0xFF, 0x1F, 0x4F, 0xE3, 0x4E, 0x20, 30 0x00, 0xE3, 0x00, 0x20, 0x40, 0xE3, 0x00, 0x30, 31 0x00, 0xE3, 0x00, 0x30, 0x40, 0xE3, 0x0F, 0x00, 32 0x80, 0xE0, 0x1E, 0xFF, 0x2F, 0xE1, 0x1E, 0xFF, 33 0x2F, 0xE1 ] 34 relocations: 35 - offset: 0x00000042 36 scattered: true 37 type: ARM_RELOC_HALF_SECTDIFF 38 length: 1 39 pc-rel: false 40 value: 0x0000004E 41 - offset: 0x00000000 42 scattered: true 43 type: ARM_RELOC_PAIR 44 length: 1 45 pc-rel: false 46 value: 0x00000046 47 - offset: 0x0000003E 48 scattered: true 49 type: ARM_RELOC_HALF_SECTDIFF 50 length: 0 51 pc-rel: false 52 value: 0x0000004E 53 - offset: 0x00000000 54 scattered: true 55 type: ARM_RELOC_PAIR 56 length: 0 57 pc-rel: false 58 value: 0x00000046 59 - offset: 0x0000003A 60 type: ARM_RELOC_HALF 61 length: 1 62 pc-rel: false 63 extern: false 64 symbol: 1 65 - offset: 0x0000004E 66 type: ARM_RELOC_PAIR 67 length: 1 68 pc-rel: false 69 extern: false 70 symbol: 16777215 71 - offset: 0x00000036 72 type: ARM_RELOC_HALF 73 length: 0 74 pc-rel: false 75 extern: false 76 symbol: 1 77 - offset: 0x00000000 78 type: ARM_RELOC_PAIR 79 length: 0 80 pc-rel: false 81 extern: false 82 symbol: 16777215 83 - offset: 0x00000032 84 scattered: true 85 type: ARM_RELOC_HALF_SECTDIFF 86 length: 1 87 pc-rel: false 88 value: 0x00000024 89 - offset: 0x0000FFD6 90 scattered: true 91 type: ARM_RELOC_PAIR 92 length: 1 93 pc-rel: false 94 value: 0x00000046 95 - offset: 0x0000002E 96 scattered: true 97 type: ARM_RELOC_HALF_SECTDIFF 98 length: 0 99 pc-rel: false 100 value: 0x00000024 101 - offset: 0x0000FFFF 102 scattered: true 103 type: ARM_RELOC_PAIR 104 length: 0 105 pc-rel: false 106 value: 0x00000046 107 - offset: 0x0000002A 108 type: ARM_RELOC_HALF 109 length: 1 110 pc-rel: false 111 extern: false 112 symbol: 1 113 - offset: 0x00000025 114 type: ARM_RELOC_PAIR 115 length: 1 116 pc-rel: false 117 extern: false 118 symbol: 16777215 119 - offset: 0x00000026 120 type: ARM_RELOC_HALF 121 length: 0 122 pc-rel: false 123 extern: false 124 symbol: 1 125 - offset: 0x00000000 126 type: ARM_RELOC_PAIR 127 length: 0 128 pc-rel: false 129 extern: false 130 symbol: 16777215 131 - offset: 0x0000001C 132 scattered: true 133 type: ARM_RELOC_HALF_SECTDIFF 134 length: 3 135 pc-rel: false 136 value: 0x0000004E 137 - offset: 0x0000002A 138 scattered: true 139 type: ARM_RELOC_PAIR 140 length: 3 141 pc-rel: false 142 value: 0x00000020 143 - offset: 0x00000018 144 scattered: true 145 type: ARM_RELOC_HALF_SECTDIFF 146 length: 2 147 pc-rel: false 148 value: 0x0000004E 149 - offset: 0x00000000 150 scattered: true 151 type: ARM_RELOC_PAIR 152 length: 2 153 pc-rel: false 154 value: 0x00000020 155 - offset: 0x00000014 156 type: ARM_RELOC_HALF 157 length: 3 158 pc-rel: false 159 extern: false 160 symbol: 1 161 - offset: 0x0000004E 162 type: ARM_RELOC_PAIR 163 length: 3 164 pc-rel: false 165 extern: false 166 symbol: 16777215 167 - offset: 0x00000010 168 type: ARM_RELOC_HALF 169 length: 2 170 pc-rel: false 171 extern: false 172 symbol: 1 173 - offset: 0x00000000 174 type: ARM_RELOC_PAIR 175 length: 2 176 pc-rel: false 177 extern: false 178 symbol: 16777215 179 - offset: 0x0000000C 180 scattered: true 181 type: ARM_RELOC_HALF_SECTDIFF 182 length: 3 183 pc-rel: false 184 value: 0x00000024 185 - offset: 0x00000000 186 scattered: true 187 type: ARM_RELOC_PAIR 188 length: 3 189 pc-rel: false 190 value: 0x00000020 191 - offset: 0x00000008 192 scattered: true 193 type: ARM_RELOC_HALF_SECTDIFF 194 length: 2 195 pc-rel: false 196 value: 0x00000024 197 - offset: 0x00000000 198 scattered: true 199 type: ARM_RELOC_PAIR 200 length: 2 201 pc-rel: false 202 value: 0x00000020 203 - offset: 0x00000004 204 type: ARM_RELOC_HALF 205 length: 3 206 pc-rel: false 207 extern: false 208 symbol: 1 209 - offset: 0x00000025 210 type: ARM_RELOC_PAIR 211 length: 3 212 pc-rel: false 213 extern: false 214 symbol: 16777215 215 - offset: 0x00000000 216 type: ARM_RELOC_HALF 217 length: 2 218 pc-rel: false 219 extern: false 220 symbol: 1 221 - offset: 0x00000000 222 type: ARM_RELOC_PAIR 223 length: 2 224 pc-rel: false 225 extern: false 226 symbol: 16777215 227local-symbols: 228 - name: _t1 229 type: N_SECT 230 sect: 1 231 desc: [ N_ARM_THUMB_DEF ] 232 value: 0x0000000000000000 233 - name: _t2 234 type: N_SECT 235 sect: 1 236 desc: [ N_ARM_THUMB_DEF ] 237 value: 0x0000000000000024 238 - name: _a2 239 type: N_SECT 240 sect: 1 241 value: 0x000000000000004E 242 - name: _a1 243 type: N_SECT 244 sect: 1 245 value: 0x0000000000000026 246... 247 248# CHECK: defined-atoms: 249# CHECK: - name: _t1 250# CHECK: references: 251# CHECK: - kind: modeThumbCode 252# CHECK: offset: 0 253# CHECK: target: _t1 254# CHECK: - kind: thumb_movw 255# CHECK: offset: 0 256# CHECK: target: _t2 257# CHECK-NOT: addend: 258# CHECK: - kind: thumb_movt 259# CHECK: offset: 4 260# CHECK: target: _t2 261# CHECK-NOT: addend: 262# CHECK: - kind: thumb_movw_funcRel 263# CHECK: offset: 8 264# CHECK: target: _t2 265# CHECK: addend: -36 266# CHECK: - kind: thumb_movt_funcRel 267# CHECK: offset: 12 268# CHECK: target: _t2 269# CHECK: addend: -36 270# CHECK: - kind: thumb_movw 271# CHECK: offset: 16 272# CHECK: target: _a2 273# CHECK-NOT: addend: 274# CHECK: - kind: thumb_movt 275# CHECK: offset: 20 276# CHECK: target: _a2 277# CHECK-NOT: addend: 278# CHECK: - kind: thumb_movw_funcRel 279# CHECK: offset: 24 280# CHECK: target: _a2 281# CHECK: addend: -36 282# CHECK: - kind: thumb_movt_funcRel 283# CHECK: offset: 28 284# CHECK: target: _a2 285# CHECK: addend: -36 286# CHECK: - name: _t2 287# CHECK: references: 288# CHECK: - kind: modeThumbCode 289# CHECK: offset: 0 290# CHECK: target: _t2 291# CHECK: - name: _a1 292# CHECK: references: 293# CHECK: - kind: arm_movw 294# CHECK: offset: 0 295# CHECK: target: _t2 296# CHECK-NOT: addend: 297# CHECK: - kind: arm_movt 298# CHECK: offset: 4 299# CHECK: target: _t2 300# CHECK-NOT: addend: 301# CHECK: - kind: arm_movw_funcRel 302# CHECK: offset: 8 303# CHECK: target: _t2 304# CHECK: addend: -40 305# CHECK: - kind: arm_movt_funcRel 306# CHECK: offset: 12 307# CHECK: target: _t2 308# CHECK: addend: -40 309# CHECK: - kind: arm_movw 310# CHECK: offset: 16 311# CHECK: target: _a2 312# CHECK-NOT: addend: 313# CHECK: - kind: arm_movt 314# CHECK: offset: 20 315# CHECK: target: _a2 316# CHECK-NOT: addend: 317# CHECK: - kind: arm_movw_funcRel 318# CHECK: offset: 24 319# CHECK: target: _a2 320# CHECK: addend: -40 321# CHECK: - kind: arm_movt_funcRel 322# CHECK: offset: 28 323# CHECK: target: _a2 324# CHECK: addend: -40 325# CHECK: - name: _a2 326 327 328# CODE: _t1: 329# CODE-NEXT: movw r0, #4133 330# CODE-NEXT: movt r0, #0 331# CODE-NEXT: movw r1, #1 332# CODE-NEXT: movt r1, #0 333# CODE-NEXT: movw r2, #4174 334# CODE-NEXT: movt r2, #0 335# CODE-NEXT: movw r3, #42 336# CODE-NEXT: movt r3, #0 337 338 339# CODE: _a1: 340# CODE-NEXT: movw r0, #4133 341# CODE-NEXT: movt r0, #0 342# CODE-NEXT: movw r1, #65495 343# CODE-NEXT: movt r1, #65535 344# CODE-NEXT: movw r2, #4174 345# CODE-NEXT: movt r2, #0 346# CODE-NEXT: movw r3, #0 347# CODE-NEXT: movt r3, #0 348 349 350 351# .syntax unified 352# .align 2 353# 354# .code 16 355# .thumb_func _t1 356#_t1: 357# movw r0, :lower16:(_t2) 358# movt r0, :upper16:(_t2) 359# movw r1, :lower16:(_t2-(L0+4)) 360# movt r1, :upper16:(_t2-(L0+4)) 361# movw r2, :lower16:(_a2) 362# movt r2, :upper16:(_a2) 363# movw r3, :lower16:(_a2-(L0+4)) 364# movt r3, :upper16:(_a2-(L0+4)) 365#L0: 366# add r0, pc 367# bx lr 368# 369# 370# .code 16 371# .thumb_func _t2 372#_t2: 373# bx lr 374# 375# 376# 377# .code 32 378#_a1: 379# movw r0, :lower16:(_t2) 380# movt r0, :upper16:(_t2) 381# movw r1, :lower16:(_t2-(L1+8)) 382# movt r1, :upper16:(_t2-(L1+8)) 383# movw r2, :lower16:(_a2) 384# movt r2, :upper16:(_a2) 385# movw r3, :lower16:(_a2-(L1+8)) 386# movt r3, :upper16:(_a2-(L1+8)) 387#L1: 388# add r0, pc 389# bx lr 390# 391#_a2: 392# bx lr 393 394