projects / apple / ld64.git / blame
| Commit | Line | Data |
|---|---|---|
| d696c285 A |
1 | /* |
| 2 | * Copyright (c) 2005 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * This file contains Original Code and/or Modifications of Original Code | |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. Please obtain a copy of the License at | |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 11 | * file. | |
| 12 | * | |
| 13 | * The Original Code and all software distributed under the License are | |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 18 | * Please see the License for the specific language governing rights and | |
| 19 | * limitations under the License. | |
| 20 | * | |
| 21 | * @APPLE_LICENSE_HEADER_END@ | |
| 22 | */ | |
| 23 | ||
| 24 | #if __ppc__ || __ppc64__ | |
| 25 | ||
| 26 | .text | |
| 27 | .align 2 | |
| 28 | ||
| 29 | .globl _test_loads | |
| 30 | _test_loads: | |
| 31 | stmw r30,-8(r1) | |
| 32 | stwu r1,-48(r1) | |
| 33 | Lpicbase: | |
| 34 | ||
| 35 | ; PIC load of a | |
| 36 | addis r2,r10,ha16(_a-Lpicbase) | |
| 37 | lwz r2,lo16(_a-Lpicbase)(r2) | |
| 38 | ||
| 39 | ; PIC load of c | |
| 40 | addis r2,r10,ha16(_c-Lpicbase) | |
| 41 | lwz r2,lo16(_c-Lpicbase)(r2) | |
| 42 | ||
| 43 | ; absolute load of a | |
| 44 | lis r2,ha16(_a) | |
| 45 | lwz r2,lo16(_a)(r2) | |
| 46 | ||
| 47 | ; absolute load of c | |
| 48 | lis r2,ha16(_c) | |
| 49 | lwz r2,lo16(_c)(r2) | |
| 50 | ||
| 51 | ; absolute load of external | |
| 52 | lis r2,ha16(_ax) | |
| 53 | lwz r2,lo16(_ax)(r2) | |
| 54 | ||
| 55 | ; absolute lea of external | |
| 56 | lis r2,hi16(_ax) | |
| 57 | ori r2,r2,lo16(_ax) | |
| 58 | ||
| 59 | ||
| 60 | ; PIC load of a + addend | |
| 61 | addis r2,r10,ha16(_a+0x19000-Lpicbase) | |
| 62 | lwz r2,lo16(_a+0x19000-Lpicbase)(r2) | |
| 63 | ||
| 64 | ; absolute load of a + addend | |
| 65 | lis r2,ha16(_a+0x19000) | |
| 66 | lwz r2,lo16(_a+0x19000)(r2) | |
| 67 | ||
| 68 | ; absolute load of external + addend | |
| 69 | lis r2,ha16(_ax+0x19000) | |
| 70 | lwz r2,lo16(_ax+0x19000)(r2) | |
| 71 | ||
| 72 | ; absolute lea of external + addend | |
| 73 | lis r2,hi16(_ax+0x19000) | |
| 74 | ori r2,r2,lo16(_ax+0x19000) | |
| 75 | ||
| 76 | ||
| 77 | ; PIC load of a + addend | |
| 78 | addis r2,r10,ha16(_a+0x09000-Lpicbase) | |
| 79 | lwz r2,lo16(_a+0x09000-Lpicbase)(r2) | |
| 80 | ||
| 81 | ; absolute load of a + addend | |
| 82 | lis r2,ha16(_a+0x09000) | |
| 83 | lwz r2,lo16(_a+0x09000)(r2) | |
| 84 | ||
| 85 | ; absolute load of external + addend | |
| 86 | lis r2,ha16(_ax+0x09000) | |
| 87 | lwz r2,lo16(_ax+0x09000)(r2) | |
| 88 | ||
| 89 | ; absolute lea of external + addend | |
| 90 | lis r2,hi16(_ax+0x09000) | |
| 91 | ori r2,r2,lo16(_ax+0x09000) | |
| 92 | ||
| 93 | blr | |
| 94 | ||
| 95 | ||
| 96 | _test_calls: | |
| 97 | ; call internal | |
| 98 | bl _test_branches | |
| 99 | ||
| 100 | ; call internal + addend | |
| 101 | bl _test_branches+0x19000 | |
| 102 | ||
| 103 | ; call external | |
| 104 | bl _external | |
| 105 | ||
| 106 | ; call external + addend | |
| 107 | bl _external+0x19000 | |
| 108 | ||
| 109 | ||
| 110 | _test_branches: | |
| 111 | ; call internal | |
| 112 | bne _test_calls | |
| 113 | ||
| 114 | ; call internal + addend | |
| 115 | bne _test_calls+16 | |
| 116 | ||
| 117 | ; call external | |
| 118 | bne _external | |
| 119 | ||
| 120 | ; call external + addend | |
| 121 | bne _external+16 | |
| 122 | #endif | |
| 123 | ||
| 124 | ||
| 125 | ||
| 126 | #if __i386__ | |
| 127 | .text | |
| 128 | .align 2 | |
| 129 | ||
| 130 | .globl _test_loads | |
| 131 | _test_loads: | |
| 132 | pushl %ebp | |
| 133 | Lpicbase: | |
| 134 | ||
| 135 | # PIC load of a | |
| 136 | movl _a-Lpicbase(%ebx), %eax | |
| 137 | ||
| 138 | # absolute load of a | |
| 139 | movl _a, %eax | |
| 140 | ||
| 141 | # absolute load of external | |
| 142 | movl _ax, %eax | |
| 143 | ||
| 144 | # absolute lea of external | |
| 145 | leal _ax, %eax | |
| 146 | ||
| 147 | ||
| 148 | # PIC load of a + addend | |
| 149 | movl _a-Lpicbase+0x19000(%ebx), %eax | |
| 150 | ||
| 151 | # absolute load of a + addend | |
| 152 | movl _a+0x19000(%ebx), %eax | |
| 153 | ||
| 154 | # absolute load of external + addend | |
| 155 | movl _ax+0x19000(%ebx), %eax | |
| 156 | ||
| 157 | # absolute lea of external + addend | |
| 158 | leal _ax+0x1900, %eax | |
| 159 | ||
| 160 | ret | |
| 161 | ||
| 162 | ||
| 163 | _test_calls: | |
| 164 | # call internal | |
| 165 | call _test_branches | |
| 166 | ||
| 167 | # call internal + addend | |
| 168 | call _test_branches+0x19000 | |
| 169 | ||
| 170 | # call external | |
| 171 | call _external | |
| 172 | ||
| 173 | # call external + addend | |
| 174 | call _external+0x19000 | |
| 175 | ||
| 176 | ||
| 177 | _test_branches: | |
| 178 | # call internal | |
| 179 | jne _test_calls | |
| 180 | ||
| 181 | # call internal + addend | |
| 182 | jne _test_calls+16 | |
| 183 | ||
| 184 | # call external | |
| 185 | jne _external | |
| 186 | ||
| 187 | # call external + addend | |
| 188 | jne _external+16 | |
| 189 | #endif | |
| 190 | ||
| 191 | ||
| 192 | ||
| 69a49097 A |
193 | #if __x86_64__ |
| 194 | .text | |
| 195 | .align 2 | |
| 196 | ||
| 197 | .globl _test_loads | |
| 198 | _test_loads: | |
| 199 | ||
| 200 | # PIC load of a | |
| 201 | movl _a(%rip), %eax | |
| 202 | ||
| 203 | # PIC load of a + addend | |
| 204 | movl _a+0x1234(%rip), %eax | |
| 205 | ||
| 206 | # PIC lea | |
| 207 | leaq _a(%rip), %rax | |
| 208 | ||
| 209 | # PIC lea through GOT | |
| 210 | movq _a@GOTPCREL(%rip), %rax | |
| 211 | ||
| 212 | # PIC access of GOT | |
| 213 | pushq _a@GOTPCREL(%rip) | |
| 214 | ||
| 215 | # PIC lea external through GOT | |
| 216 | movq _ax@GOTPCREL(%rip), %rax | |
| 217 | ||
| 218 | # PIC external access of GOT | |
| 219 | pushq _ax@GOTPCREL(%rip) | |
| 220 | ||
| 221 | # 1-byte store | |
| 222 | movb $0x12, _a(%rip) | |
| 223 | ||
| 224 | # 4-byte store | |
| 225 | movl $0x12345678, _a(%rip) | |
| 226 | ||
| 227 | # test local labels | |
| 228 | # lea L1(%rip), %rax ### assembler bug | |
| 229 | # movl L0(%rip), %eax ### assembler bug | |
| 230 | ||
| 231 | ret | |
| 232 | ||
| 233 | ||
| 234 | _test_calls: | |
| 235 | # call internal | |
| 236 | call _test_branches | |
| 237 | ||
| 238 | # call internal + addend | |
| 239 | call _test_branches+0x19000 | |
| 240 | ||
| 241 | # call external | |
| 242 | call _external | |
| 243 | ||
| 244 | # call external + addend | |
| 245 | call _external+0x19000 | |
| 246 | ||
| 247 | ||
| 248 | _test_branches: | |
| 249 | # call internal | |
| 250 | jne _test_calls | |
| 251 | ||
| 252 | # call internal + addend | |
| 253 | jne _test_calls+16 | |
| 254 | ||
| 255 | # call external | |
| 256 | jne _external | |
| 257 | ||
| 258 | # call external + addend | |
| 259 | jne _external+16 | |
| 260 | #endif | |
| 261 | ||
| 262 | ||
| 263 | ||
| d696c285 A |
264 | # test that pointer-diff relocs are preserved |
| 265 | .text | |
| 266 | _test_diffs: | |
| 267 | .align 2 | |
| 268 | Llocal2: | |
| 269 | .long 0 | |
| 270 | .long Llocal2-_test_branches | |
| 271 | #if __ppc64__ | |
| 272 | .quad Llocal2-_test_branches | |
| 273 | #endif | |
| 274 | ||
| 275 | ||
| 69a49097 A |
276 | #if __x86_64__ |
| 277 | .data | |
| 278 | L0: .quad _test_branches | |
| 279 | _prev: | |
| 280 | .quad _test_branches+4 | |
| 281 | L1: .quad _test_branches - _test_diffs | |
| 282 | .quad _test_branches - _test_diffs + 4 | |
| 283 | .long _test_branches - _test_diffs | |
| 284 | # .long LCL0-. ### assembler bug: content value should be (address(LCL0) - 0x24) | |
| 285 | .quad L1 | |
| 286 | # .quad L0 ### assembler bug: should be internal reloc to L0 | |
| 287 | .quad _test_branches - . | |
| 288 | .quad _test_branches - L1 | |
| 289 | .quad L1 - _prev | |
| 290 | ||
| 291 | # the following generates: _foo cannot be undefined in a subtraction expression | |
| 292 | # but it should be ok (it will be a linker error if _foo and _bar are not in same linkage unit) | |
| 293 | # .quad _foo - _bar ### assembler bug | |
| 294 | ||
| 295 | .section __DATA,__data2 | |
| 296 | LCL0: .long 2 | |
| 297 | ||
| 298 | ||
| 299 | #endif | |
| 300 | ||
| 301 | ||
| d696c285 A |
302 | .data |
| 303 | _a: | |
| 304 | .long 0 | |
| 305 | ||
| 306 | _b: | |
| 307 | #if __ppc__ || __i386__ | |
| 308 | .long _test_calls | |
| 309 | .long _test_calls+16 | |
| 310 | .long _external | |
| 311 | .long _external+16 | |
| 69a49097 | 312 | #elif __ppc64__ || __x86_64__ |
| d696c285 A |
313 | .quad _test_calls |
| 314 | .quad _test_calls+16 | |
| 315 | .quad _external | |
| 316 | .quad _external+16 | |
| 317 | #endif | |
| 318 | ||
| 319 | # test that reloc sizes are the same | |
| 320 | Llocal3: | |
| 321 | .long 0 | |
| 322 | ||
| 323 | Llocal4: | |
| 324 | .long 0 | |
| 325 | ||
| 326 | .long Llocal4-Llocal3 | |
| 327 | ||
| 328 | Lfiller: | |
| 329 | .space 0x9000 | |
| 330 | _c: | |
| 331 | .long 0 | |
| 332 |