| | 1 | /* |
| | 2 | * @OSF_COPYRIGHT@ |
| | 3 | */ |
| | 4 | |
| | 5 | #ifndef _PPC_ASM_H_ |
| | 6 | #define _PPC_ASM_H_ |
| | 7 | |
| | 8 | #ifdef __ELF__ |
| | 9 | #define __NO_UNDERSCORES__ 1 |
| | 10 | #define __ASMNL__ ; |
| | 11 | #else |
| | 12 | #define __ASMNL__ @ |
| | 13 | #endif |
| | 14 | |
| | 15 | #ifdef ASSEMBLER |
| | 16 | |
| | 17 | #ifdef __ELF__ |
| | 18 | #define r0 0 |
| | 19 | #define r1 1 |
| | 20 | #define r2 2 |
| | 21 | #define r3 3 |
| | 22 | #define r4 4 |
| | 23 | #define r5 5 |
| | 24 | #define r6 6 |
| | 25 | #define r7 7 |
| | 26 | #define r8 8 |
| | 27 | #define r9 9 |
| | 28 | #define r10 10 |
| | 29 | #define r11 11 |
| | 30 | #define r12 12 |
| | 31 | #define r13 13 |
| | 32 | #define r14 14 |
| | 33 | #define r15 15 |
| | 34 | #define r16 16 |
| | 35 | #define r17 17 |
| | 36 | #define r18 18 |
| | 37 | #define r19 19 |
| | 38 | #define r20 20 |
| | 39 | #define r21 21 |
| | 40 | #define r22 22 |
| | 41 | #define r23 23 |
| | 42 | #define r24 24 |
| | 43 | #define r25 25 |
| | 44 | #define r26 26 |
| | 45 | #define r27 27 |
| | 46 | #define r28 28 |
| | 47 | #define r29 29 |
| | 48 | #define r30 30 |
| | 49 | #define r31 31 |
| | 50 | |
| | 51 | #define f0 0 |
| | 52 | #define f1 1 |
| | 53 | #define f2 2 |
| | 54 | #define f3 3 |
| | 55 | #define f4 4 |
| | 56 | #define f5 5 |
| | 57 | #define f6 6 |
| | 58 | #define f7 7 |
| | 59 | #define f8 8 |
| | 60 | #define f9 9 |
| | 61 | #define f10 10 |
| | 62 | #define f11 11 |
| | 63 | #define f12 12 |
| | 64 | #define f13 13 |
| | 65 | #define f14 14 |
| | 66 | #define f15 15 |
| | 67 | #define f16 16 |
| | 68 | #define f17 17 |
| | 69 | #define f18 18 |
| | 70 | #define f19 19 |
| | 71 | #define f20 20 |
| | 72 | #define f21 21 |
| | 73 | #define f22 22 |
| | 74 | #define f23 23 |
| | 75 | #define f24 24 |
| | 76 | #define f25 25 |
| | 77 | #define f26 26 |
| | 78 | #define f27 27 |
| | 79 | #define f28 28 |
| | 80 | #define f29 29 |
| | 81 | #define f30 30 |
| | 82 | #define f31 31 |
| | 83 | |
| | 84 | #define sr0 0 |
| | 85 | #define sr1 1 |
| | 86 | #define sr2 2 |
| | 87 | #define sr3 3 |
| | 88 | #define sr4 4 |
| | 89 | #define sr5 5 |
| | 90 | #define sr6 6 |
| | 91 | #define sr7 7 |
| | 92 | #define sr8 8 |
| | 93 | #define sr9 9 |
| | 94 | #define sr10 10 |
| | 95 | #define sr11 11 |
| | 96 | #define sr12 12 |
| | 97 | #define sr13 13 |
| | 98 | #define sr14 14 |
| | 99 | #define sr15 15 |
| | 100 | #define sr16 16 |
| | 101 | #define sr17 17 |
| | 102 | #define sr18 18 |
| | 103 | #define sr19 19 |
| | 104 | #define sr20 20 |
| | 105 | #define sr21 21 |
| | 106 | #define sr22 22 |
| | 107 | #define sr23 23 |
| | 108 | #define sr24 24 |
| | 109 | #define sr25 25 |
| | 110 | #define sr26 26 |
| | 111 | #define sr27 27 |
| | 112 | #define sr28 28 |
| | 113 | #define sr29 29 |
| | 114 | #define sr30 30 |
| | 115 | #define sr31 31 |
| | 116 | #endif |
| | 117 | |
| | 118 | #define ARG0 r3 |
| | 119 | #define ARG1 r4 |
| | 120 | #define ARG2 r5 |
| | 121 | #define ARG3 r6 |
| | 122 | #define ARG4 r7 |
| | 123 | #define ARG5 r8 |
| | 124 | #define ARG6 r9 |
| | 125 | #define ARG7 r10 |
| | 126 | |
| | 127 | #define tmp0 r0 /* Temporary GPR remapping (603e specific) */ |
| | 128 | #define tmp1 r1 |
| | 129 | #define tmp2 r2 |
| | 130 | #define tmp3 r3 |
| | 131 | |
| | 132 | /* SPR registers */ |
| | 133 | |
| | 134 | #define dmiss 976 /* ea that missed */ |
| | 135 | #define dcmp 977 /* compare value for the va that missed */ |
| | 136 | #define hash1 978 /* pointer to first hash pteg */ |
| | 137 | #define hash2 979 /* pointer to second hash pteg */ |
| | 138 | #define imiss 980 /* ea that missed */ |
| | 139 | #define icmp 981 /* compare value for the va that missed */ |
| | 140 | #define rpa 982 /* required physical address register */ |
| | 141 | |
| | 142 | #define iabr 1010 /* instruction address breakpoint register */ |
| | 143 | #define pir 1023 /* Processor ID Register */ |
| | 144 | |
| | 145 | /* MQ register on the 601 */ |
| | 146 | #define mq 0 /* spr number for mq register on 601 */ |
| | 147 | |
| | 148 | #define IBAT0U 528 |
| | 149 | #define IBAT0L 529 |
| | 150 | #define IBAT1U 530 |
| | 151 | #define IBAT1L 531 |
| | 152 | #define IBAT2U 532 |
| | 153 | #define IBAT2L 533 |
| | 154 | #define IBAT3U 534 |
| | 155 | #define IBAT3L 535 |
| | 156 | #define ibat0u 528 |
| | 157 | #define ibat0l 529 |
| | 158 | #define ibat1u 530 |
| | 159 | #define ibat1l 531 |
| | 160 | #define ibat2u 532 |
| | 161 | #define ibat2l 533 |
| | 162 | #define ibat3u 534 |
| | 163 | #define ibat3l 535 |
| | 164 | |
| | 165 | #define DBAT0U 536 |
| | 166 | #define DBAT0L 537 |
| | 167 | #define DBAT1U 538 |
| | 168 | #define DBAT1L 539 |
| | 169 | #define DBAT2U 540 |
| | 170 | #define DBAT2L 541 |
| | 171 | #define DBAT3U 542 |
| | 172 | #define DBAT3L 543 |
| | 173 | #define dbat0u 536 |
| | 174 | #define dbat0l 537 |
| | 175 | #define dbat1u 538 |
| | 176 | #define dbat1l 539 |
| | 177 | #define dbat2u 540 |
| | 178 | #define dbat2l 541 |
| | 179 | #define dbat3u 542 |
| | 180 | #define dbat3l 543 |
| | 181 | |
| | 182 | #define HID0 1008 |
| | 183 | #define hid0 1008 |
| | 184 | #define HID1 1009 |
| | 185 | #define hid1 1009 |
| | 186 | #define SDR1 25 |
| | 187 | #define sprg0 272 |
| | 188 | #define sprg1 273 |
| | 189 | #define sprg2 274 |
| | 190 | #define sprg3 275 |
| | 191 | #define ppcDAR 19 |
| | 192 | #define ppcdar 19 |
| | 193 | #define srr0 26 |
| | 194 | #define srr1 27 |
| | 195 | |
| | 196 | #define CR0 0 |
| | 197 | #define CR1 1 |
| | 198 | #define CR2 2 |
| | 199 | #define CR3 3 |
| | 200 | #define CR4 4 |
| | 201 | #define CR5 5 |
| | 202 | #define CR6 6 |
| | 203 | #define CR7 7 |
| | 204 | |
| | 205 | #ifdef __ELF__ |
| | 206 | #define cr0 0 |
| | 207 | #define cr1 1 |
| | 208 | #define cr2 2 |
| | 209 | #define cr3 3 |
| | 210 | #define cr4 4 |
| | 211 | #define cr5 5 |
| | 212 | #define cr6 6 |
| | 213 | #define cr7 7 |
| | 214 | #endif |
| | 215 | |
| | 216 | #define cr0_lt 0 |
| | 217 | #define cr0_gt 1 |
| | 218 | #define cr0_eq 2 |
| | 219 | #define cr0_so 3 |
| | 220 | #define cr0_un 3 |
| | 221 | |
| | 222 | /* |
| | 223 | * Macros to access high and low word values of an address |
| | 224 | */ |
| | 225 | |
| | 226 | #ifndef __ELF__ |
| | 227 | #define HIGH_CADDR(x) ha16(x) |
| | 228 | #define HIGH_ADDR(x) hi16(x) |
| | 229 | #define LOW_ADDR(x) lo16(x) |
| | 230 | #else |
| | 231 | #define HIGH_CADDR(x) x@ha |
| | 232 | #define HIGH_ADDR(x) x@h |
| | 233 | #define LOW_ADDR(x) x@l |
| | 234 | #endif /* __ELF__ */ |
| | 235 | |
| | 236 | #endif /* ASSEMBLER */ |
| | 237 | |
| | 238 | /* Tags are placed before Immediately Following Code (IFC) for the debugger |
| | 239 | * to be able to deduce where to find various registers when backtracing |
| | 240 | * |
| | 241 | * We only define the values as we use them, see SVR4 ABI PowerPc Supplement |
| | 242 | * for more details (defined in ELF spec). |
| | 243 | */ |
| | 244 | |
| | 245 | #define TAG_NO_FRAME_USED 0x00000000 |
| | 246 | |
| | 247 | /* (should use genassym to get these offsets) */ |
| | 248 | |
| | 249 | #define FM_BACKPTR 0 |
| | 250 | /* TODO NMGS FM_SIZE 8 is ok according to EABI specs, but gcc uses 16 */ |
| | 251 | #ifdef __ELF__ |
| | 252 | #define FM_LR_SAVE 4 /* gcc 2.7.1 is now following eabi spec correctly */ |
| | 253 | #define FM_SIZE 16 /* minimum frame contents, backptr and LR save */ |
| | 254 | #define FM_ARG0 8 |
| | 255 | #else |
| | 256 | #define FM_CR_SAVE 4 |
| | 257 | #define FM_LR_SAVE 8 /* Rhapsody iS NOT following the ABI at the moment.. */ |
| | 258 | #define FM_SIZE 72 /* minimum frame contents, backptr and LR save */ |
| | 259 | #define FM_ARG0 56 |
| | 260 | #endif |
| | 261 | |
| | 262 | #define FM_ELF_ARG0 8 |
| | 263 | #define FM_MACHO_ARG0 56 |
| | 264 | #define MACHO_SYSCALL_BEGIN 0x2000 |
| | 265 | #define PK_SYSCALL_BEGIN 0x7000 |
| | 266 | |
| | 267 | |
| | 268 | /* redzone is the area under the stack pointer which must be preserved |
| | 269 | * when taking a trap, interrupt etc. This is no longer needed as gcc |
| | 270 | * (2.7.2 and above) now follows ELF spec correctly and never loads/stores |
| | 271 | * below the frame pointer |
| | 272 | */ |
| | 273 | #ifdef __ELF__ |
| | 274 | #define FM_REDZONE 0 /* was ((32-14+1)*4) */ |
| | 275 | #else |
| | 276 | #define FM_REDZONE 224 /* is ((32-14+1)*4) */ |
| | 277 | #endif |
| | 278 | |
| | 279 | #define COPYIN_ARG0_OFFSET FM_ARG0 |
| | 280 | |
| | 281 | #ifdef MACH_KERNEL_BUILD |
| | 282 | #include <mach_kdb.h> |
| | 283 | #else /* MACH_KERNEL */ |
| | 284 | #define MACH_KDB 0 |
| | 285 | #endif /* MACH_KERNEL */ |
| | 286 | |
| | 287 | #define BREAKPOINT_TRAP twge r2,r2 |
| | 288 | |
| | 289 | /* There is another definition of ALIGN for .c sources */ |
| | 290 | #ifndef __LANGUAGE_ASSEMBLY |
| | 291 | #define ALIGN 2 |
| | 292 | #endif /* __LANGUAGE_ASSEMBLY */ |
| | 293 | |
| | 294 | #ifndef FALIGN |
| | 295 | #define FALIGN 2 /* Align functions on words for now. Cachelines is better */ |
| | 296 | #endif |
| | 297 | |
| | 298 | #define LB(x,n) n |
| | 299 | #if __STDC__ |
| | 300 | #ifndef __NO_UNDERSCORES__ |
| | 301 | #define LCL(x) L ## x |
| | 302 | #define EXT(x) _ ## x |
| | 303 | #define LEXT(x) _ ## x ## : |
| | 304 | #else |
| | 305 | #define LCL(x) .L ## x |
| | 306 | #define EXT(x) x |
| | 307 | #define LEXT(x) x ## : |
| | 308 | #endif |
| | 309 | #define LBc(x,n) n ## : |
| | 310 | #define LBb(x,n) n ## b |
| | 311 | #define LBf(x,n) n ## f |
| | 312 | #else /* __STDC__ */ |
| | 313 | #ifndef __NO_UNDERSCORES__ |
| | 314 | #define LCL(x) L/**/x |
| | 315 | #define EXT(x) _/**/x |
| | 316 | #define LEXT(x) _/**/x/**/: |
| | 317 | #else /* __NO_UNDERSCORES__ */ |
| | 318 | #define LCL(x) .L/**/x |
| | 319 | #define EXT(x) x |
| | 320 | #define LEXT(x) x/**/: |
| | 321 | #endif /* __NO_UNDERSCORES__ */ |
| | 322 | #define LBc(x,n) n/**/: |
| | 323 | #define LBb(x,n) n/**/b |
| | 324 | #define LBf(x,n) n/**/f |
| | 325 | #endif /* __STDC__ */ |
| | 326 | |
| | 327 | #define String .asciz |
| | 328 | #define Value .word |
| | 329 | #define Times(a,b) (a*b) |
| | 330 | #define Divide(a,b) (a/b) |
| | 331 | |
| | 332 | #define data16 .byte 0x66 |
| | 333 | #define addr16 .byte 0x67 |
| | 334 | |
| | 335 | #if !GPROF |
| | 336 | #define MCOUNT |
| | 337 | |
| | 338 | #elif defined(__SHARED__) |
| | 339 | #define MCOUNT ; .data;\ |
| | 340 | .align ALIGN;\ |
| | 341 | LBc(x, 8) .long 0;\ |
| | 342 | .text;\ |
| | 343 | Gpush;\ |
| | 344 | Gload;\ |
| | 345 | leal Gotoff(LBb(x,8)),%edx;\ |
| | 346 | Egaddr(%eax,_mcount_ptr);\ |
| | 347 | Gpop;\ |
| | 348 | call *(%eax); |
| | 349 | |
| | 350 | #else /* !GPROF, !__SHARED__ */ |
| | 351 | #define MCOUNT ; .data;\ |
| | 352 | .align ALIGN;\ |
| | 353 | LBc(x, 8) .long 0;\ |
| | 354 | .text;\ |
| | 355 | movl $LBb(x,8),%edx;\ |
| | 356 | call *EXT(_mcount_ptr); |
| | 357 | |
| | 358 | #endif /* GPROF */ |
| | 359 | |
| | 360 | #ifdef __ELF__ |
| | 361 | #define ELF_FUNC(x) .type x,@function |
| | 362 | #define ELF_DATA(x) .type x,@object |
| | 363 | #define ELF_SIZE(x,s) .size x,s |
| | 364 | #else |
| | 365 | #define ELF_FUNC(x) |
| | 366 | #define ELF_DATA(x) |
| | 367 | #define ELF_SIZE(x,s) |
| | 368 | #endif |
| | 369 | |
| | 370 | #ifdef __ELF__ |
| | 371 | #define Entry(x,tag) .globl EXT(x); ELF_FUNC(EXT(x)); .long tag;.align FALIGN; LEXT(x) |
| | 372 | #define ENTRY(x,tag) Entry(x,tag) MCOUNT |
| | 373 | #define ENTRY2(x,y,tag) .globl EXT(x); .globl EXT(y); \ |
| | 374 | ELF_FUNC(EXT(x)); ELF_FUNC(EXT(y)); \ |
| | 375 | .align FALIGN; LEXT(x); LEXT(y) \ |
| | 376 | MCOUNT |
| | 377 | #if __STDC__ |
| | 378 | #define ASENTRY(x) .globl x; .align FALIGN; x ## : ELF_FUNC(x) MCOUNT |
| | 379 | #else |
| | 380 | #define ASENTRY(x) .globl x; .align FALIGN; x: ELF_FUNC(x) MCOUNT |
| | 381 | #endif /* __STDC__ */ |
| | 382 | #define DATA(x) .globl EXT(x); ELF_DATA(EXT(x)); .align ALIGN; LEXT(x) |
| | 383 | |
| | 384 | #else /* __ELF__ */ |
| | 385 | |
| | 386 | #define Entry(x,tag) .text@.align FALIGN@ .globl EXT(x)@ LEXT(x) |
| | 387 | #define ENTRY(x,tag) Entry(x,tag)@MCOUNT |
| | 388 | #define ENTRY2(x,y,tag) .text@ .align FALIGN@ .globl EXT(x)@ .globl EXT(y)@ \ |
| | 389 | LEXT(x)@ LEXT(y) @\ |
| | 390 | MCOUNT |
| | 391 | #if __STDC__ |
| | 392 | #define ASENTRY(x) .globl x @ .align FALIGN; x ## @ MCOUNT |
| | 393 | #else |
| | 394 | #define ASENTRY(x) .globl x @ .align FALIGN; x @ MCOUNT |
| | 395 | #endif /* __STDC__ */ |
| | 396 | #define DATA(x) .globl EXT(x) @ .align ALIGN @ LEXT(x) |
| | 397 | #endif |
| | 398 | |
| | 399 | |
| | 400 | |
| | 401 | #define End(x) ELF_SIZE(x,.-x) |
| | 402 | #define END(x) End(EXT(x)) |
| | 403 | #define ENDDATA(x) END(x) |
| | 404 | #define Enddata(x) End(x) |
| | 405 | |
| | 406 | /* These defines are here for .c files that wish to reference global symbols |
| | 407 | * within __asm__ statements. |
| | 408 | */ |
| | 409 | #ifndef __NO_UNDERSCORES__ |
| | 410 | #define CC_SYM_PREFIX "_" |
| | 411 | #else |
| | 412 | #define CC_SYM_PREFIX "" |
| | 413 | #endif /* __NO_UNDERSCORES__ */ |
| | 414 | |
| | 415 | #endif /* _PPC_ASM_H_ */ |
projects / apple / libc.git / blame_incremental