src/vm/jit/powerpc64/asmpart.S

   1 /* src/vm/jit/powerpc/asmpart.S - Java-C interface functions for PowerPC
   2
   3    Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
   4    C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
   5    E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
   6    J. Wenninger, Institut f. Computersprachen - TU Wien
   7
   8    This file is part of CACAO.
   9
  10    This program is free software.text;  you can redistribute it and/or
  11    modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation;  either version 2, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY ;  without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program;  if not, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  23    02110-1301, USA.
  24
  25    Contact: cacao@cacaojvm.org
  26
  27    Authors: Andreas Krall
  28             Reinhard Grafl
  29             Stefan Ring
  30
  31    Changes: Christian Thalinger
  32             Edwin Steiner
  33
  34    $Id: asmpart.S 5159 2006-07-18 18:38:49Z tbfg $
  35
  36 */
  37
  38
  39 #include "config.h"
  40
  41 #include "md-abi.h"
  42 #include "md-asm.h"
  43
  44 #include "vm/jit/abi-asm.h"
  45 #include "vm/jit/methodheader.h"
  46 #include "vm/jit/powerpc/offsets.h"
  47
  48
  49         .text
  50
  51         .align 2
  52
  53
  54 /* export functions ***********************************************************/
  55
  56         .globl asm_vm_call_method
  57         .globl asm_vm_call_method_int
  58         .globl asm_vm_call_method_long
  59         .globl asm_vm_call_method_float
  60         .globl asm_vm_call_method_double
  61
  62         .globl asm_vm_call_method_exception_handler
  63
  64         .globl asm_call_jit_compiler
  65
  66         .globl asm_handle_nat_exception
  67         .globl asm_handle_exception
  68
  69         .globl asm_abstractmethoderror
  70
  71         .globl asm_patcher_wrapper
  72
  73         .globl asm_replacement_out
  74         .globl asm_replacement_in
  75
  76         .globl asm_cacheflush
  77         .globl asm_criticalsections
  78         .globl asm_getclassvalues_atomic
  79
  80
  81 /* asm_vm_call_method **********************************************************
  82 *                                                                              *
  83 *   This function calls a Java-method (which possibly needs compilation)       *
  84 *   with up to 4 address parameters.                                           *
  85 *                                                                              *
  86 *   This functions calls the JIT-compiler which eventually translates the      *
  87 *   method into machine code.                                                  *
  88 *                                                                              *
  89 *   C-prototype:                                                               *
  90 *    javaobject_header *asm_calljavamethod (methodinfo *m,                     *
  91 *         void *arg1, void *arg2, void *arg3, void *arg4);                     *
  92 *                                                                              *
  93 *******************************************************************************/
  94
  95         .align 2
  96
  97         .long   0                         /* catch type all                       */
  98         .long   0                         /* exception handler pc                 */
  99         .long   0                         /* end pc                               */
 100         .long   0                         /* start pc                             */
 101         .long   1                         /* extable size                         */
 102         .long   0                         /* line number table start              */
 103         .long   0                         /* line number table size               */
 104         .long   0                         /* fltsave                              */
 105         .long   0                         /* intsave                              */
 106         .long   0                         /* isleaf                               */
 107         .long   0                         /* IsSync                               */
 108         .long   0                         /* frame size                           */
 109         .long   0                         /* codeinfo pointer                     */
 110
 111 asm_vm_call_method:
 112 asm_vm_call_method_int:
 113 asm_vm_call_method_long:
 114 asm_vm_call_method_float:
 115 asm_vm_call_method_double:
 116         mflr    r0
 117         stw     r0,LA_LR_OFFSET(r1)
 118         stwu    r1,-40*4(r1)
 119
 120         stw     s0,8*4(sp)                /* save used callee saved registers     */
 121         stw     a0,9*4(sp)                /* save method pointer for compiler     */
 122
 123 #if defined(__DARWIN__)
 124         stw     itmp1,10*4(sp)            /* register r11 is callee saved         */
 125 #endif
 126         stw     pv,11*4(sp)               /* save PV register                     */
 127
 128         stw     itmp3,12*4(sp)            /* registers r14-r31 are callee saved   */
 129         stfd    ftmp1,14*4(sp)            /* registers f14-f31 are callee saved   */
 130         stfd    ftmp2,16*4(sp)
 131
 132 #if defined(__DARWIN__)
 133         stw     t1,18*4(r1)
 134         stw     t2,19*4(r1)
 135         stw     t3,20*4(r1)
 136         stw     t4,21*4(r1)
 137         stw     t5,22*4(r1)
 138         stw     t6,23*4(r1)
 139         stw     t7,24*4(r1)
 140
 141         stfd    ft0,26*4(r1)
 142         stfd    ft1,28*4(r1)
 143         stfd    ft2,30*4(r1)
 144         stfd    ft3,32*4(r1)
 145         stfd    ft4,34*4(r1)
 146         stfd    ft5,36*4(r1)
 147 #else
 148         SAVE_TEMPORARY_REGISTERS(18)      /* the offset has to be even            */
 149 #endif
 150
 151         mr      itmp2,a1                  /* arg count                            */
 152         mr      itmp1,a2                  /* pointer to arg block                 */
 153
 154         mr      t4,itmp2                  /* save argument count                  */
 155         mr      t5,itmp1                  /* save argument block pointer          */
 156
 157         mr      s0,sp                     /* save current sp to s0                */
 158
 159         addi    itmp1,itmp1,-sizevmarg    /* initialize pointer (smaller code)    */
 160         addi    itmp2,itmp2,1             /* initialize argument count            */
 161         li      t0,0                      /* initialize integer argument counter  */
 162         li      t1,0                      /* initialize float argument counter    */
 163         li      t6,0                      /* initialize integer register counter  */
 164 #if defined(__DARWIN__)
 165         li      t7,0                      /* initialize stack slot counter        */
 166 #endif
 167
 168         mflr    r0                        /* save link register (PIC code)        */
 169         bl      L_asm_vm_call_method_get_pc
 170 L_asm_vm_call_method_get_pc:
 171         mflr    t3                        /* t3 contains the current pc           */
 172         mtlr    r0
 173
 174 L_register_copy:
 175         addi    itmp1,itmp1,sizevmarg     /* goto next argument block             */
 176         addi    itmp2,itmp2,-1            /* argument count - 1                   */
 177         mr.     itmp2,itmp2
 178         beq     L_register_copy_done
 179
 180         lwz     itmp3,offvmargtype+4(itmp1)
 181         andi.   r0,itmp3,0x0002           /* is this a float/double type?         */
 182         bne     L_register_handle_float
 183
 184 L_register_handle_int:
 185         cmpwi   t6,INT_ARG_CNT            /* are we out of integer argument       */
 186         beq     L_register_copy           /* registers? yes, next loop            */
 187
 188         andi.   r0,itmp3,0x0001           /* is this a 2-word type?               */
 189         bne     L_register_handle_long
 190
 191 #if defined(__DARWIN__)
 192         addis   itmp3,t3,ha16(L_jumptable_int - L_asm_vm_call_method_get_pc)
 193         la      itmp3,lo16(L_jumptable_int - L_asm_vm_call_method_get_pc)(itmp3)
 194 #else
 195         lis     itmp3,L_jumptable_int@ha
 196         addi    itmp3,itmp3,L_jumptable_int@l
 197 #endif
 198
 199         slwi    t2,t6,2                   /* multiple of 4-bytes                  */
 200         add     itmp3,itmp3,t2            /* calculate address of jumptable       */
 201         lwz     itmp3,0(itmp3)            /* load function address                */
 202         mtctr   itmp3
 203         addi    t0,t0,1                   /* integer argument counter             */
 204         addi    t6,t6,1                   /* integer argument register counter    */
 205 #if defined(__DARWIN__)
 206         addi    t7,t7,1                   /* stack slot counter                   */
 207 #endif
 208         bctr
 209
 210 L_register_handle_long:
 211 #if defined(__DARWIN__)
 212         addis   itmp3,t3,ha16(L_jumptable_long - L_asm_vm_call_method_get_pc)
 213         la      itmp3,lo16(L_jumptable_long - L_asm_vm_call_method_get_pc)(itmp3)
 214 #else
 215         lis     itmp3,L_jumptable_long@ha
 216         addi    itmp3,itmp3,L_jumptable_long@l
 217 #endif
 218 #if !defined(__DARWIN__)
 219         addi    t6,t6,1                   /* align to even numbers                */
 220         andi.   t6,t6,0xfffe
 221 #endif
 222
 223         cmpwi   t6,(INT_ARG_CNT - 1)      /* are we out of integer argument       */
 224         blt     L_register_handle_long_continue /* registers?                     */
 225
 226         li      t6,INT_ARG_CNT            /* yes, set integer argument register   */
 227         b       L_register_copy           /* count to max and next loop           */
 228
 229 L_register_handle_long_continue:
 230         slwi    t2,t6,2                   /* multiple of 4-bytes                  */
 231         add     itmp3,itmp3,t2            /* calculate address of jumptable       */
 232         lwz     itmp3,0(itmp3)            /* load function address                */
 233         mtctr   itmp3
 234         addi    t0,t0,1                   /* integer argument counter             */
 235         addi    t6,t6,2                   /* integer argument register counter    */
 236 #if defined(__DARWIN__)
 237         addi    t7,t7,2                   /* stack slot counter                   */
 238 #endif
 239         bctr
 240
 241 L_register_handle_float:
 242         cmpwi   t1,FLT_ARG_CNT            /* are we out of float argument         */
 243         beq     L_register_copy           /* registers? yes, next loop            */
 244
 245         andi.   r0,itmp3,0x0001           /* is this a 2-word type?               */
 246         bne     L_register_handle_double
 247
 248 #if defined(__DARWIN__)
 249         addis   itmp3,t3,ha16(L_jumptable_float - L_asm_vm_call_method_get_pc)
 250         la      itmp3,lo16(L_jumptable_float - L_asm_vm_call_method_get_pc)(itmp3)
 251 #else
 252         lis     itmp3,L_jumptable_float@ha
 253         addi    itmp3,itmp3,L_jumptable_float@l
 254 #endif
 255
 256         slwi    t2,t1,2                   /* multiple of 4-bytes                  */
 257         add     itmp3,itmp3,t2            /* calculate address of jumptable       */
 258         lwz     itmp3,0(itmp3)            /* load function address                */
 259         mtctr   itmp3
 260         addi    t1,t1,1                   /* float argument counter               */
 261 #if defined(__DARWIN__)
 262         addi    t7,t7,1                   /* stack slot counter                   */
 263         addi    t6,t6,1                   /* skip 1 integer argument register     */
 264 #endif
 265         bctr
 266
 267 L_register_handle_double:
 268 #if defined(__DARWIN__)
 269         addis   itmp3,t3,ha16(L_jumptable_double - L_asm_vm_call_method_get_pc)
 270         la      itmp3,lo16(L_jumptable_double - L_asm_vm_call_method_get_pc)(itmp3)
 271 #else
 272         lis     itmp3,L_jumptable_double@ha
 273         addi    itmp3,itmp3,L_jumptable_double@l
 274 #endif
 275
 276         slwi    t2,t1,2                   /* multiple of 4-bytes                  */
 277         add     itmp3,itmp3,t2            /* calculate address of jumptable       */
 278         lwz     itmp3,0(itmp3)            /* load function address                */
 279         mtctr   itmp3
 280         addi    t1,t1,1                   /* float argument counter               */
 281 #if defined(__DARWIN__)
 282         addi    t7,t7,2                   /* stack slot counter                   */
 283         addi    t6,t6,2                   /* skip 2 integer argument registers    */
 284 #endif
 285         bctr
 286
 287 L_register_copy_done:
 288                                           /* calculate remaining arguments        */
 289         sub     itmp3,t4,t0               /* - integer arguments in registers     */
 290         sub     itmp3,itmp3,t1            /* - float arguments in registers       */
 291         mr.     itmp3,itmp3
 292         beq     L_stack_copy_done
 293
 294         mr      itmp2,t4                  /* restore argument count               */
 295         mr      itmp1,t5                  /* restore argument block pointer       */
 296
 297         slwi    t4,itmp3,3                /* XXX use 8-bytes slots for now        */
 298         addi    t4,t4,LA_SIZE             /* add size of linkage area             */
 299
 300 #if defined(__DARWIN__)
 301         slwi    t5,t7,2                   /* add stack space for arguments        */
 302         add     t4,t4,t5
 303 #endif
 304
 305         sub     sp,sp,t4
 306
 307         mr      t6,sp                     /* use t6 as temporary sp               */
 308         addi    t6,t6,LA_SIZE             /* skip linkage area                    */
 309 #if defined(__DARWIN__)
 310         add     t6,t6,t5                  /* skip stack space for arguments       */
 311 #endif
 312
 313         addi    itmp1,itmp1,-sizevmarg    /* initialize pointer (smaller code)    */
 314         addi    itmp2,itmp2,1             /* initialize argument count            */
 315
 316 L_stack_copy_loop:
 317         addi    itmp1,itmp1,sizevmarg     /* goto next argument block             */
 318         addi    itmp2,itmp2,-1            /* argument count - 1                   */
 319         mr.     itmp2,itmp2
 320         beq     L_stack_copy_done
 321
 322         lwz     itmp3,offvmargtype+4(itmp1)
 323         andi.   r0,itmp3,0x0002           /* is this a float/double type?         */
 324         bne     L_stack_handle_float
 325
 326 L_stack_handle_int:
 327         addi    t0,t0,-1                  /* arguments assigned to registers      */
 328         mr.     t0,t0
 329         bge     L_stack_copy_loop
 330
 331         andi.   r0,itmp3,0x0001           /* is this a 2-word type?               */
 332         bne     L_stack_handle_long
 333
 334         lwz     itmp3,offvmargdata+4(itmp1) /* get integer argument               */
 335         stw     itmp3,0(t6)               /* and store it on the stack            */
 336         addi    t6,t6,4                   /* increase temporary sp by 1 slot      */
 337         b       L_stack_copy_loop
 338
 339 L_stack_handle_long:
 340 #if !defined(__DARWIN__)
 341         addi    t6,t6,4                   /* align stack to 8-bytes               */
 342         rlwinm  t6,t6,0,30,28             /* clear lower 4-bits                   */
 343 #endif
 344
 345         lwz     itmp3,offvmargdata+0(itmp1) /* get long argument                  */
 346         stw     itmp3,0(t6)               /* and store it on the stack            */
 347         lwz     itmp3,offvmargdata+4(itmp1)
 348         stw     itmp3,4(t6)
 349         addi    t6,t6,8                   /* increase temporary sp by 2 slots     */
 350         b       L_stack_copy_loop
 351
 352 L_stack_handle_float:
 353         addi    t1,t1,-1                  /* arguments assigned to registers      */
 354         mr.     t1,t1
 355         bge     L_stack_copy_loop
 356
 357         andi.   r0,itmp3,0x0001           /* is this a 2-word type?               */
 358         bne     L_stack_handle_double
 359
 360         lfs     ftmp3,offvmargdata(itmp1) /* get float argument                   */
 361         stfs    ftmp3,0(t6)               /* and store it on the stack            */
 362         addi    t6,t6,4                   /* increase temporary sp by 1 slot      */
 363         b       L_stack_copy_loop
 364
 365 L_stack_handle_double:
 366 #if !defined(__DARWIN__)
 367         addi    t6,t6,4                   /* align stack to 8-bytes               */
 368         rlwinm  t6,t6,0,30,28             /* clear lower 4-bits                   */
 369 #endif
 370
 371         lfd     ftmp3,offvmargdata(itmp1) /* get double argument                  */
 372         stfd    ftmp3,0(t6)               /* and store it on the stack            */
 373         addi    t6,t6,8                   /* increase temporary sp by 2 slots     */
 374         b       L_stack_copy_loop
 375
 376 L_stack_copy_done:
 377         lwz     itmp1,9*4(s0)             /* pass method pointer via tmp1         */
 378
 379 #if defined(__DARWIN__)
 380         addis   mptr,t3,ha16(L_asm_call_jit_compiler - L_asm_vm_call_method_get_pc)
 381         la      mptr,lo16(L_asm_call_jit_compiler - L_asm_vm_call_method_get_pc)(mptr)
 382 #else
 383         lis     mptr,L_asm_call_jit_compiler@ha
 384         addi    mptr,mptr,L_asm_call_jit_compiler@l
 385 #endif
 386         stw     mptr,7*4(s0)
 387         addi    mptr,s0,7*4
 388
 389         lwz     pv,0*4(mptr)
 390         mtctr   pv
 391         bctrl
 392 1:
 393         mflr    itmp1
 394 #if defined(__DARWIN__)
 395         addi    pv,itmp1,lo16(asm_vm_call_method - 1b)
 396 #else
 397         addi    pv,itmp1,(asm_vm_call_method - 1b)@l
 398 #endif
 399
 400 L_asm_vm_call_method_return:
 401         mr      sp,s0                     /* restore the function's sp            */
 402
 403         lwz     s0,8*4(sp)                /* restore used callee saved registers  */
 404
 405 #if defined(__DARWIN__)
 406         lwz     itmp1,10*4(sp)            /* register r11 is callee saved         */
 407 #endif
 408         lwz     pv,11*4(sp)               /* save PV register                     */
 409
 410         lwz     itmp3,12*4(sp)
 411         lfd     ftmp1,14*4(sp)            /* registers f14-f31 are callee saved   */
 412         lfd     ftmp2,16*4(sp)
 413
 414 #if defined(__DARWIN__)
 415         lwz     t1,18*4(r1)
 416         lwz     t2,19*4(r1)
 417         lwz     t3,20*4(r1)
 418         lwz     t4,21*4(r1)
 419         lwz     t5,22*4(r1)
 420         lwz     t6,23*4(r1)
 421         lwz     t7,24*4(r1)
 422
 423         lfd     ft0,26*4(r1)
 424         lfd     ft1,28*4(r1)
 425         lfd     ft2,30*4(r1)
 426         lfd     ft3,32*4(r1)
 427         lfd     ft4,34*4(r1)
 428         lfd     ft5,36*4(r1)
 429 #else
 430         RESTORE_TEMPORARY_REGISTERS(18)   /* the offset has to be even            */
 431 #endif
 432
 433         lwz     r0,40*4+LA_LR_OFFSET(r1)
 434         mtlr    r0
 435         addi    r1,r1,40*4
 436         blr
 437
 438 asm_vm_call_method_exception_handler:
 439         mr      r3,itmp1
 440         bl      builtin_throw_exception
 441         b       L_asm_vm_call_method_return
 442
 443
 444         .data
 445         .align  2
 446
 447 L_jumptable_int:
 448         .quad   L_handle_a0
 449         .quad   L_handle_a1
 450         .quad   L_handle_a2
 451         .quad   L_handle_a3
 452         .quad   L_handle_a4
 453         .quad   L_handle_a5
 454         .quad   L_handle_a6
 455         .quad   L_handle_a7
 456
 457         .text
 458         .align  2
 459
 460 L_handle_a0:
 461         lwz     a0,offvmargdata+4(itmp1)
 462         b       L_register_copy
 463 L_handle_a1:
 464         lwz     a1,offvmargdata+4(itmp1)
 465         b       L_register_copy
 466 L_handle_a2:
 467         lwz     a2,offvmargdata+4(itmp1)
 468         b       L_register_copy
 469 L_handle_a3:
 470         lwz     a3,offvmargdata+4(itmp1)
 471         b       L_register_copy
 472 L_handle_a4:
 473         lwz     a4,offvmargdata+4(itmp1)
 474         b       L_register_copy
 475 L_handle_a5:
 476         lwz     a5,offvmargdata+4(itmp1)
 477         b       L_register_copy
 478 L_handle_a6:
 479         lwz     a6,offvmargdata+4(itmp1)
 480         b       L_register_copy
 481 L_handle_a7:
 482         lwz     a7,offvmargdata+4(itmp1)
 483         b       L_register_copy
 484
 485
 486         .data
 487         .align  2
 488
 489 L_jumptable_long:
 490 #if defined(__DARWIN__)
 491         .quad   L_handle_a0_a1
 492         .quad   L_handle_a1_a2
 493         .quad   L_handle_a2_a3
 494         .quad   L_handle_a3_a4
 495         .quad   L_handle_a4_a5
 496         .quad   L_handle_a5_a6
 497         .quad   L_handle_a6_a7
 498 #else
 499         /* we have two entries here, so we get the even argument register
 500         alignment for linux */
 501
 502         .quad   L_handle_a0_a1
 503         .quad   0
 504         .quad   L_handle_a2_a3
 505         .quad   0
 506         .quad   L_handle_a4_a5
 507         .quad   0
 508         .quad   L_handle_a6_a7
 509 #endif
 510
 511         .text
 512         .align  2
 513
 514 L_handle_a0_a1:
 515         lwz     a0,offvmargdata+0(itmp1)
 516         lwz     a1,offvmargdata+4(itmp1)
 517         b       L_register_copy
 518 #if defined(__DARWIN__)
 519 L_handle_a1_a2:
 520         lwz     a1,offvmargdata+0(itmp1)
 521         lwz     a2,offvmargdata+4(itmp1)
 522         b       L_register_copy
 523 #endif
 524 L_handle_a2_a3:
 525         lwz     a2,offvmargdata+0(itmp1)
 526         lwz     a3,offvmargdata+4(itmp1)
 527         b       L_register_copy
 528 #if defined(__DARWIN__)
 529 L_handle_a3_a4:
 530         lwz     a3,offvmargdata+0(itmp1)
 531         lwz     a4,offvmargdata+4(itmp1)
 532         b       L_register_copy
 533 #endif
 534 L_handle_a4_a5:
 535         lwz     a4,offvmargdata+0(itmp1)
 536         lwz     a5,offvmargdata+4(itmp1)
 537         b       L_register_copy
 538 #if defined(__DARWIN__)
 539 L_handle_a5_a6:
 540         lwz     a5,offvmargdata+0(itmp1)
 541         lwz     a6,offvmargdata+4(itmp1)
 542         b       L_register_copy
 543 #endif
 544 L_handle_a6_a7:
 545         lwz     a6,offvmargdata+0(itmp1)
 546         lwz     a7,offvmargdata+4(itmp1)
 547         b       L_register_copy
 548
 549
 550         .data
 551         .align  2
 552
 553 L_jumptable_float:
 554         .quad   L_handle_fa0
 555         .quad   L_handle_fa1
 556         .quad   L_handle_fa2
 557         .quad   L_handle_fa3
 558         .quad   L_handle_fa4
 559         .quad   L_handle_fa5
 560         .quad   L_handle_fa6
 561         .quad   L_handle_fa7
 562
 563 #if defined(__DARWIN__)
 564         .quad   L_handle_fa8
 565         .quad   L_handle_fa9
 566         .quad   L_handle_fa10
 567         .quad   L_handle_fa11
 568         .quad   L_handle_fa12
 569 #endif
 570
 571         .text
 572         .align  2
 573
 574 L_handle_fa0:
 575         lfs     fa0,offvmargdata(itmp1)
 576         b       L_register_copy
 577 L_handle_fa1:
 578         lfs     fa1,offvmargdata(itmp1)
 579         b       L_register_copy
 580 L_handle_fa2:
 581         lfs     fa2,offvmargdata(itmp1)
 582         b       L_register_copy
 583 L_handle_fa3:
 584         lfs     fa3,offvmargdata(itmp1)
 585         b       L_register_copy
 586 L_handle_fa4:
 587         lfs     fa4,offvmargdata(itmp1)
 588         b       L_register_copy
 589 L_handle_fa5:
 590         lfs     fa5,offvmargdata(itmp1)
 591         b       L_register_copy
 592 L_handle_fa6:
 593         lfs     fa6,offvmargdata(itmp1)
 594         b       L_register_copy
 595 L_handle_fa7:
 596         lfs     fa7,offvmargdata(itmp1)
 597         b       L_register_copy
 598
 599 #if defined(__DARWIN__)
 600 L_handle_fa8:
 601         lfs     fa8,offvmargdata(itmp1)
 602         b       L_register_copy
 603 L_handle_fa9:
 604         lfs     fa9,offvmargdata(itmp1)
 605         b       L_register_copy
 606 L_handle_fa10:
 607         lfs     fa10,offvmargdata(itmp1)
 608         b       L_register_copy
 609 L_handle_fa11:
 610         lfs     fa11,offvmargdata(itmp1)
 611         b       L_register_copy
 612 L_handle_fa12:
 613         lfs     fa12,offvmargdata(itmp1)
 614         b       L_register_copy
 615 #endif
 616
 617
 618         .data
 619         .align  2
 620
 621 L_jumptable_double:
 622         .quad   L_handle_fda0
 623         .quad   L_handle_fda1
 624         .quad   L_handle_fda2
 625         .quad   L_handle_fda3
 626         .quad   L_handle_fda4
 627         .quad   L_handle_fda5
 628         .quad   L_handle_fda6
 629         .quad   L_handle_fda7
 630
 631 #if defined(__DARWIN__)
 632         .quad   L_handle_fda8
 633         .quad   L_handle_fda9
 634         .quad   L_handle_fda10
 635         .quad   L_handle_fda11
 636         .quad   L_handle_fda12
 637 #endif
 638
 639         .text
 640         .align  2
 641
 642 L_handle_fda0:
 643         lfd     fa0,offvmargdata(itmp1)
 644         b       L_register_copy
 645 L_handle_fda1:
 646         lfd     fa1,offvmargdata(itmp1)
 647         b       L_register_copy
 648 L_handle_fda2:
 649         lfd     fa2,offvmargdata(itmp1)
 650         b       L_register_copy
 651 L_handle_fda3:
 652         lfd     fa3,offvmargdata(itmp1)
 653         b       L_register_copy
 654 L_handle_fda4:
 655         lfd     fa4,offvmargdata(itmp1)
 656         b       L_register_copy
 657 L_handle_fda5:
 658         lfd     fa5,offvmargdata(itmp1)
 659         b       L_register_copy
 660 L_handle_fda6:
 661         lfd     fa6,offvmargdata(itmp1)
 662         b       L_register_copy
 663 L_handle_fda7:
 664         lfd     fa7,offvmargdata(itmp1)
 665         b       L_register_copy
 666
 667 #if defined(__DARWIN__)
 668 L_handle_fda8:
 669         lfd     fa8,offvmargdata(itmp1)
 670         b       L_register_copy
 671 L_handle_fda9:
 672         lfd     fa9,offvmargdata(itmp1)
 673         b       L_register_copy
 674 L_handle_fda10:
 675         lfd     fa10,offvmargdata(itmp1)
 676         b       L_register_copy
 677 L_handle_fda11:
 678         lfd     fa11,offvmargdata(itmp1)
 679         b       L_register_copy
 680 L_handle_fda12:
 681         lfd     fa12,offvmargdata(itmp1)
 682         b       L_register_copy
 683 #endif
 684
 685
 686 /* asm_call_jit_compiler *******************************************************
 687
 688    Invokes the compiler for untranslated JavaVM methods.
 689
 690 *******************************************************************************/
 691
 692 asm_call_jit_compiler:
 693 L_asm_call_jit_compiler:                /* required for PIC code              */
 694         mflr    r0
 695         stw     r0,LA_LR_OFFSET(r1)         /* save return address                */
 696         stwu    r1,-(LA_SIZE + 5*4 + INT_ARG_CNT*4 + FLT_ARG_CNT*8)(r1)
 697
 698 #if defined(__DARWIN__)
 699         stw     a0,(LA_WORD_SIZE+5+0)*4(r1)
 700         stw     a1,(LA_WORD_SIZE+5+1)*4(r1)
 701         stw     a2,(LA_WORD_SIZE+5+2)*4(r1)
 702         stw     a3,(LA_WORD_SIZE+5+3)*4(r1)
 703         stw     a4,(LA_WORD_SIZE+5+4)*4(r1)
 704         stw     a5,(LA_WORD_SIZE+5+5)*4(r1)
 705         stw     a6,(LA_WORD_SIZE+5+6)*4(r1)
 706         stw     a7,(LA_WORD_SIZE+5+7)*4(r1)
 707
 708         stfd    fa0,(LA_WORD_SIZE+5+8)*4(r1)
 709         stfd    fa1,(LA_WORD_SIZE+5+10)*4(r1)
 710         stfd    fa2,(LA_WORD_SIZE+5+12)*4(r1)
 711         stfd    fa3,(LA_WORD_SIZE+5+14)*4(r1)
 712         stfd    fa4,(LA_WORD_SIZE+5+16)*4(r1)
 713         stfd    fa5,(LA_WORD_SIZE+5+18)*4(r1)
 714         stfd    fa6,(LA_WORD_SIZE+5+20)*4(r1)
 715         stfd    fa7,(LA_WORD_SIZE+5+22)*4(r1)
 716         stfd    fa8,(LA_WORD_SIZE+5+24)*4(r1)
 717         stfd    fa9,(LA_WORD_SIZE+5+26)*4(r1)
 718         stfd    fa10,(LA_WORD_SIZE+5+28)*4(r1)
 719         stfd    fa11,(LA_WORD_SIZE+5+30)*4(r1)
 720         stfd    fa12,(LA_WORD_SIZE+5+32)*4(r1)
 721 #else
 722         SAVE_ARGUMENT_REGISTERS(LA_WORD_SIZE+1)
 723 #endif
 724
 725         mr      a0,itmp1
 726         mr      a1,mptr
 727         addi    a2,sp,(LA_SIZE + 5*4 + INT_ARG_CNT*4 + FLT_ARG_CNT*8)
 728         lwz     a3,(LA_SIZE + 5*4 + INT_ARG_CNT*4 + FLT_ARG_CNT*8)+LA_LR_OFFSET(sp)
 729         bl      jit_asm_compile
 730         mr      pv,v0                       /* move address to pv register        */
 731
 732 #if defined(__DARWIN__)
 733         lwz     a0,(LA_WORD_SIZE+5+0)*4(r1)
 734         lwz     a1,(LA_WORD_SIZE+5+1)*4(r1)
 735         lwz     a2,(LA_WORD_SIZE+5+2)*4(r1)
 736         lwz     a3,(LA_WORD_SIZE+5+3)*4(r1)
 737         lwz     a4,(LA_WORD_SIZE+5+4)*4(r1)
 738         lwz     a5,(LA_WORD_SIZE+5+5)*4(r1)
 739         lwz     a6,(LA_WORD_SIZE+5+6)*4(r1)
 740         lwz     a7,(LA_WORD_SIZE+5+7)*4(r1)
 741
 742         lfd     fa0,(LA_WORD_SIZE+5+8)*4(r1)
 743         lfd     fa1,(LA_WORD_SIZE+5+10)*4(r1)
 744         lfd     fa2,(LA_WORD_SIZE+5+12)*4(r1)
 745         lfd     fa3,(LA_WORD_SIZE+5+14)*4(r1)
 746         lfd     fa4,(LA_WORD_SIZE+5+16)*4(r1)
 747         lfd     fa5,(LA_WORD_SIZE+5+18)*4(r1)
 748         lfd     fa6,(LA_WORD_SIZE+5+20)*4(r1)
 749         lfd     fa7,(LA_WORD_SIZE+5+22)*4(r1)
 750         lfd     fa8,(LA_WORD_SIZE+5+24)*4(r1)
 751         lfd     fa9,(LA_WORD_SIZE+5+26)*4(r1)
 752         lfd     fa10,(LA_WORD_SIZE+5+28)*4(r1)
 753         lfd     fa11,(LA_WORD_SIZE+5+30)*4(r1)
 754         lfd     fa12,(LA_WORD_SIZE+5+32)*4(r1)
 755 #else
 756         RESTORE_ARGUMENT_REGISTERS(LA_WORD_SIZE+1)
 757 #endif
 758
 759         lwz     itmp1,(LA_SIZE + 5*4 + INT_ARG_CNT*4 + FLT_ARG_CNT*8)+LA_LR_OFFSET(r1)
 760         mtlr    itmp1
 761
 762         addi    sp,sp,(LA_SIZE + 5*4 + INT_ARG_CNT*4 + FLT_ARG_CNT*8)
 763
 764         mr.     pv,pv                       /* test for exception                 */
 765         beq     L_asm_call_jit_compiler_exception
 766
 767         mtctr   pv                          /* move method address to control reg */
 768         bctr                                /* and call the Java method           */
 769
 770 L_asm_call_jit_compiler_exception:
 771         mflr    r0
 772         stw     r0,LA_LR_OFFSET(sp)
 773         stwu    sp,-LA_SIZE_ALIGNED(sp)     /* preserve linkage area              */
 774         bl      exceptions_get_and_clear_exception
 775         lwz     xpc,LA_SIZE_ALIGNED+LA_LR_OFFSET(sp)
 776         mtlr    xpc
 777         addi    sp,sp,LA_SIZE_ALIGNED
 778
 779         mr      xptr,v0                     /* get exception                      */
 780         addi    xpc,xpc,-4                  /* exception address is ra - 4        */
 781         b       L_asm_handle_nat_exception
 782
 783
 784 /********************* function asm_handle_exception ***************************
 785 *                                                                              *
 786 *   This function handles an exception. It does not use the usual calling      *
 787 *   conventions. The exception pointer is passed in REG_ITMP1 and the          *
 788 *   pc from the exception raising position is passed in REG_ITMP2. It searches *
 789 *   the local exception table for a handler. If no one is found, it unwinds    *
 790 *   stacks and continues searching the callers.                                *
 791 *                                                                              *
 792 *   void asm_handle_exception (exceptionptr, exceptionpc);                     *
 793 *                                                                              *
 794 *******************************************************************************/
 795
 796 asm_handle_nat_exception:
 797 L_asm_handle_nat_exception:             /* required for PIC code              */
 798         mflr    r9
 799         lwz     itmp3,4(r9)
 800         extsh   itmp3,itmp3
 801         add     pv,itmp3,r9
 802         lwz     itmp3,8(r9)
 803         srwi    itmp3,itmp3,16
 804         cmpwi   itmp3,0x3dad
 805         bne     L_asm_handle_exception
 806         lwz     itmp3,8(r9)
 807         slwi    itmp3,itmp3,16
 808         add     pv,pv,itmp3
 809
 810 asm_handle_exception:
 811 L_asm_handle_exception:                 /* required for PIC code              */
 812         addi    sp,sp,-(ARG_CNT+TMP_CNT)*8  /* create maybe-leaf stackframe       */
 813
 814 #if defined(__DARWIN__)
 815 #else
 816         SAVE_ARGUMENT_REGISTERS(0)          /* we save arg and temp registers in  */
 817         SAVE_TEMPORARY_REGISTERS(ARG_CNT)   /* case this is a leaf method         */
 818 #endif
 819
 820         li      a3,(ARG_CNT+TMP_CNT)*8      /* prepare a3 for handle_exception    */
 821         li      a4,1                        /* set maybe-leaf flag                */
 822
 823 L_asm_handle_exception_stack_loop:
 824         addi    sp,sp,-(LA_WORD_SIZE+4+5)*4 /* allocate stack                     */
 825         stw     xptr,LA_SIZE+4*4(sp)        /* save exception pointer             */
 826         stw     xpc,LA_SIZE+5*4(sp)         /* save exception pc                  */
 827         stw     pv,LA_SIZE+6*4(sp)          /* save data segment pointer          */
 828         mflr    r0                          /* save return address                */
 829         stw     r0,LA_SIZE+5*4(sp)
 830         add     a3,a3,sp                    /* calculate Java sp into a3...       */
 831         addi    a3,a3,(LA_WORD_SIZE+4+5)*4
 832         stw     a4,LA_SIZE+8*4(sp)          /* save maybe-leaf flag               */
 833
 834         mr      a0,xptr                     /* pass exception pointer             */
 835         mr      a1,xpc                      /* pass exception pc                  */
 836         mr      a2,pv                       /* pass data segment pointer          */
 837                                             /* a3 is still set                    */
 838         bl      exceptions_handle_exception
 839
 840         mr.     v0,v0
 841         beq     L_asm_handle_exception_not_catched
 842
 843         mr      xpc,v0                      /* move handlerpc into xpc            */
 844         lwz     xptr,LA_SIZE+4*4(sp)        /* restore exception pointer          */
 845         lwz     pv,LA_SIZE+6*4(sp)          /* restore data segment pointer       */
 846         lwz     r0,LA_SIZE+5*4(sp)          /* restore return address             */
 847         mtlr    r0
 848         lwz     a4,LA_SIZE+8*4(sp)          /* get maybe-leaf flag                */
 849         addi    sp,sp,(LA_WORD_SIZE+4+5)*4  /* free stack frame                   */
 850
 851         mr.     a4,a4
 852         beq     L_asm_handle_exception_no_leaf
 853
 854 #if defined(__DARWIN__)
 855 #else
 856         RESTORE_ARGUMENT_REGISTERS(0)       /* if this is a leaf method, we have  */
 857         RESTORE_TEMPORARY_REGISTERS(ARG_CNT)/* to restore arg and temp registers  */
 858 #endif
 859
 860         addi    sp,sp,(ARG_CNT+TMP_CNT)*8   /* remove maybe-leaf stackframe       */
 861
 862 L_asm_handle_exception_no_leaf:
 863         mtctr   xpc                         /* jump to the handler                */
 864         bctr
 865
 866 L_asm_handle_exception_not_catched:
 867         lwz     xptr,LA_SIZE+4*4(sp)        /* restore exception pointer          */
 868         lwz     pv,LA_SIZE+6*4(sp)          /* restore data segment pointer       */
 869         lwz     r0,LA_SIZE+5*4(sp)          /* restore return address             */
 870         mtlr    r0
 871         lwz     a4,LA_SIZE+8*4(sp)          /* get maybe-leaf flag                */
 872         addi    sp,sp,(LA_WORD_SIZE+4+5)*4  /* free stack frame                   */
 873
 874         mr.     a4,a4
 875         beq     L_asm_handle_exception_no_leaf_stack
 876
 877         addi    sp,sp,(ARG_CNT+TMP_CNT)*8   /* remove maybe-leaf stackframe       */
 878         li      a4,0                        /* clear the maybe-leaf flag          */
 879
 880 L_asm_handle_exception_no_leaf_stack:
 881         lwz     t0,FrameSize(pv)            /* get frame size                     */
 882         add     t0,sp,t0                    /* pointer to save area               */
 883
 884         lwz     t1,IsLeaf(pv)               /* is leaf procedure                  */
 885         mr.     t1,t1
 886         bne     L_asm_handle_exception_no_ra_restore
 887
 888         lwz     r0,LA_LR_OFFSET(t0)         /* restore ra                         */
 889         mtlr    r0
 890
 891 L_asm_handle_exception_no_ra_restore:
 892         mflr    xpc                         /* the new xpc is ra                  */
 893         lwz     t1,IntSave(pv)              /* t1 = saved int register count      */
 894         bl      ex_int1
 895 ex_int1:
 896         mflr    t2                          /* t2 = current pc                    */
 897 #if defined(__DARWIN__)
 898         addi    t2,t2,lo16(ex_int2-ex_int1)
 899 #else
 900         addi    t2,t2,(ex_int2-ex_int1)@l
 901 #endif
 902         slwi    t1,t1,2                     /* t1 = register count * 4            */
 903         subf    t2,t1,t2                    /* t2 = IntSave - t1                  */
 904         mtctr   t2
 905         bctr
 906
 907         lwz     s0,-10*4(t0)
 908         lwz     s1,-9*4(t0)
 909         lwz     s2,-8*4(t0)
 910         lwz     s3,-7*4(t0)
 911         lwz     s4,-6*4(t0)
 912         lwz     s5,-5*4(t0)
 913         lwz     s6,-4*4(t0)
 914         lwz     s7,-3*4(t0)
 915         lwz     s8,-2*4(t0)
 916         lwz     s9,-1*4(t0)
 917
 918 ex_int2:
 919         subf    t0,t1,t0                    /* t0 = t0 - register count * 4       */
 920
 921         lwz     t1,FltSave(pv)
 922         bl      ex_flt1
 923 ex_flt1:
 924         mflr    t2
 925 #if defined(__DARWIN__)
 926         addi    t2,t2,lo16(ex_flt2-ex_flt1)
 927 #else
 928         addi    t2,t2,(ex_flt2-ex_flt1)@l
 929 #endif
 930         slwi    t1,t1,2                     /* t1 = register count * 4            */
 931         subf    t2,t1,t2                    /* t2 = FltSave - t1                  */
 932         mtctr   t2
 933         bctr
 934
 935         lfd     fs0,-10*8(t0)
 936         lfd     fs1,-9*8(t0)
 937         lfd     fs2,-8*8(t0)
 938         lfd     fs3,-7*8(t0)
 939         lfd     fs4,-6*8(t0)
 940         lfd     fs5,-5*8(t0)
 941         lfd     fs6,-4*8(t0)
 942         lfd     fs7,-3*8(t0)
 943         lfd     fs8,-2*8(t0)
 944         lfd     fs9,-1*8(t0)
 945
 946 ex_flt2:
 947         lwz     t0,FrameSize(pv)            /* get frame size                     */
 948         add     sp,sp,t0                    /* unwind stack                       */
 949         li      a3,0                        /* prepare a3 for handle_exception    */
 950
 951         mtlr    xpc
 952         lwz     itmp3,4(xpc)
 953         extsh   itmp3,itmp3
 954         add     pv,itmp3,xpc
 955         lwz     itmp3,8(xpc)
 956         srwi    itmp3,itmp3,16
 957         cmpwi   itmp3,0x3dad
 958         bne     L_asm_handle_exception_stack_loop
 959         lwz     itmp3,8(xpc)
 960         slwi    itmp3,itmp3,16
 961         add     pv,pv,itmp3
 962
 963         b       L_asm_handle_exception_stack_loop
 964
 965
 966 /* asm_abstractmethoderror *****************************************************
 967
 968    Creates and throws an AbstractMethodError.
 969
 970 *******************************************************************************/
 971
 972 asm_abstractmethoderror:
 973         mflr    r0
 974         stw     r0,LA_LR_OFFSET(sp)
 975         stwu    sp,-LA_SIZE_ALIGNED(sp)     /* preserve linkage area              */
 976         addi    a0,sp,LA_SIZE_ALIGNED       /* pass java sp                       */
 977         mr      a1,r0                       /* pass exception address             */
 978         bl      exceptions_asm_new_abstractmethoderror
 979         lwz     r0,LA_SIZE_ALIGNED+LA_LR_OFFSET(sp)
 980         mtlr    r0                          /* restore return address             */
 981         addi    sp,sp,LA_SIZE_ALIGNED
 982
 983         mr      xptr,v0                     /* get exception pointer              */
 984         mr      xpc,r0                      /* we can't use r0 directly in addi   */
 985         addi    xpc,xpc,-4                  /* exception address is ra - 4        */
 986         b       L_asm_handle_nat_exception
 987
 988
 989 /* asm_patcher_wrapper *********************************************************
 990
 991    XXX
 992
 993    Stack layout:
 994      20   return address into JIT code (patch position)
 995      16   pointer to virtual java_objectheader
 996      12   machine code (which is patched back later)
 997       8   unresolved class/method/field reference
 998       4   data segment displacement from load instructions
 999       0   patcher function pointer to call (pv is saved here afterwards)
1000
1001 *******************************************************************************/
1002
1003 asm_patcher_wrapper:
1004         mflr    r0                    /* get Java return address (leaf)           */
1005         stw     r0,6*4(sp)            /* store it in the stub stackframe          */
1006                                       /* keep stack 16-bytes aligned: 6+1+37 = 44 */
1007         stwu    sp,-(LA_SIZE+(5+58)*4)(sp)
1008
1009 #if defined(__DARWIN__)
1010         stw     a0,LA_SIZE+(5+0)*4(r1)      /* save argument registers            */
1011         stw     a1,LA_SIZE+(5+1)*4(r1)      /* preserve linkage area (24 bytes)   */
1012         stw     a2,LA_SIZE+(5+2)*4(r1)      /* and 4 bytes for 4 argument         */
1013         stw     a3,LA_SIZE+(5+3)*4(r1)
1014         stw     a4,LA_SIZE+(5+4)*4(r1)
1015         stw     a5,LA_SIZE+(5+5)*4(r1)
1016         stw     a6,LA_SIZE+(5+6)*4(r1)
1017         stw     a7,LA_SIZE+(5+7)*4(r1)
1018
1019         stfd    fa0,LA_SIZE+(5+8)*4(sp)
1020         stfd    fa1,LA_SIZE+(5+10)*4(sp)
1021         stfd    fa2,LA_SIZE+(5+12)*4(sp)
1022         stfd    fa3,LA_SIZE+(5+14)*4(sp)
1023         stfd    fa4,LA_SIZE+(5+16)*4(sp)
1024         stfd    fa5,LA_SIZE+(5+18)*4(sp)
1025         stfd    fa6,LA_SIZE+(5+20)*4(sp)
1026         stfd    fa7,LA_SIZE+(5+22)*4(sp)
1027         stfd    fa8,LA_SIZE+(5+24)*4(sp)
1028         stfd    fa9,LA_SIZE+(5+26)*4(sp)
1029         stfd    fa10,LA_SIZE+(5+28)*4(sp)
1030         stfd    fa11,LA_SIZE+(5+30)*4(sp)
1031         stfd    fa12,LA_SIZE+(5+32)*4(sp)
1032
1033         stw     t0,(LA_WORD_SIZE+5+33)*4(r1)
1034         stw     t1,(LA_WORD_SIZE+5+34)*4(r1)
1035         stw     t2,(LA_WORD_SIZE+5+35)*4(r1)
1036         stw     t3,(LA_WORD_SIZE+5+36)*4(r1)
1037         stw     t4,(LA_WORD_SIZE+5+37)*4(r1)
1038         stw     t5,(LA_WORD_SIZE+5+38)*4(r1)
1039         stw     t6,(LA_WORD_SIZE+5+39)*4(r1)
1040         stw     t7,(LA_WORD_SIZE+5+40)*4(r1)
1041
1042         stfd    ft0,(LA_WORD_SIZE+5+42)*4(r1)
1043         stfd    ft1,(LA_WORD_SIZE+5+44)*4(r1)
1044         stfd    ft2,(LA_WORD_SIZE+5+46)*4(r1)
1045         stfd    ft3,(LA_WORD_SIZE+5+48)*4(r1)
1046         stfd    ft4,(LA_WORD_SIZE+5+50)*4(r1)
1047         stfd    ft5,(LA_WORD_SIZE+5+52)*4(r1)
1048 #else
1049         SAVE_ARGUMENT_REGISTERS(LA_WORD_SIZE+1) /* save 8 int/8 float arguments   */
1050         SAVE_TEMPORARY_REGISTERS(LA_WORD_SIZE+1+24)
1051 #endif
1052
1053         stw     itmp1,LA_SIZE+(5+54)*4(sp)
1054         stw     itmp2,LA_SIZE+(5+55)*4(sp)
1055         stw     pv,LA_SIZE+(5+56)*4(sp)
1056
1057         addi    a0,sp,LA_SIZE+(5+58)*4      /* pass SP of patcher stub            */
1058         mr      a1,pv                       /* pass PV                            */
1059         mr      a2,r0                       /* pass RA (correct for leafs)        */
1060         bl      patcher_wrapper
1061         stw     v0,LA_SIZE+(5+57)*4(sp)     /* save return value                  */
1062
1063 #if defined(__DARWIN__)
1064         lwz     a0,LA_SIZE+(5+0)*4(r1)
1065         lwz     a1,LA_SIZE+(5+1)*4(r1)
1066         lwz     a2,LA_SIZE+(5+2)*4(r1)
1067         lwz     a3,LA_SIZE+(5+3)*4(r1)
1068         lwz     a4,LA_SIZE+(5+4)*4(r1)
1069         lwz     a5,LA_SIZE+(5+5)*4(r1)
1070         lwz     a6,LA_SIZE+(5+6)*4(r1)
1071         lwz     a7,LA_SIZE+(5+7)*4(r1)
1072
1073         lfd     fa0,LA_SIZE+(5+8)*4(sp)
1074         lfd     fa1,LA_SIZE+(5+10)*4(sp)
1075         lfd     fa2,LA_SIZE+(5+12)*4(sp)
1076         lfd     fa3,LA_SIZE+(5+14)*4(sp)
1077         lfd     fa4,LA_SIZE+(5+16)*4(sp)
1078         lfd     fa5,LA_SIZE+(5+18)*4(sp)
1079         lfd     fa6,LA_SIZE+(5+20)*4(sp)
1080         lfd     fa7,LA_SIZE+(5+22)*4(sp)
1081         lfd     fa8,LA_SIZE+(5+24)*4(sp)
1082         lfd     fa9,LA_SIZE+(5+26)*4(sp)
1083         lfd     fa10,LA_SIZE+(5+28)*4(sp)
1084         lfd     fa11,LA_SIZE+(5+30)*4(sp)
1085         lfd     fa12,LA_SIZE+(5+32)*4(sp)
1086
1087         lwz     t0,(LA_WORD_SIZE+5+33)*4(r1)
1088         lwz     t1,(LA_WORD_SIZE+5+34)*4(r1)
1089         lwz     t2,(LA_WORD_SIZE+5+35)*4(r1)
1090         lwz     t3,(LA_WORD_SIZE+5+36)*4(r1)
1091         lwz     t4,(LA_WORD_SIZE+5+37)*4(r1)
1092         lwz     t5,(LA_WORD_SIZE+5+38)*4(r1)
1093         lwz     t6,(LA_WORD_SIZE+5+39)*4(r1)
1094         lwz     t7,(LA_WORD_SIZE+5+40)*4(r1)
1095
1096         lfd     ft0,(LA_WORD_SIZE+5+42)*4(r1)
1097         lfd     ft1,(LA_WORD_SIZE+5+44)*4(r1)
1098         lfd     ft2,(LA_WORD_SIZE+5+46)*4(r1)
1099         lfd     ft3,(LA_WORD_SIZE+5+48)*4(r1)
1100         lfd     ft4,(LA_WORD_SIZE+5+50)*4(r1)
1101         lfd     ft5,(LA_WORD_SIZE+5+52)*4(r1)
1102 #else
1103         RESTORE_ARGUMENT_REGISTERS(LA_WORD_SIZE+1) /* restore 8 int/8 float args  */
1104         RESTORE_TEMPORARY_REGISTERS(LA_WORD_SIZE+1+24)
1105 #endif
1106
1107         lwz     itmp1,LA_SIZE+(5+54)*4(sp)
1108         lwz     itmp2,LA_SIZE+(5+55)*4(sp)
1109         lwz     pv,LA_SIZE+(5+56)*4(sp)
1110         lwz     itmp3,LA_SIZE+(5+57)*4(sp)  /* restore return value into temp reg.*/
1111
1112         lwz     r0,(6+LA_WORD_SIZE+5+58)*4(sp) /* restore RA                      */
1113         mtlr    r0
1114
1115         mr.     itmp3,itmp3           /* check for an exception                   */
1116         bne     L_asm_patcher_wrapper_exception
1117
1118                                       /* get return address (into JIT code)       */
1119         lwz     itmp3,(5+LA_WORD_SIZE+5+58)*4(sp)
1120
1121                                       /* remove stack frame + patcher stub stack  */
1122         addi    sp,sp,(8+LA_WORD_SIZE+5+58)*4
1123
1124         mtctr   itmp3
1125         bctr                          /* jump to new patched code                 */
1126
1127 L_asm_patcher_wrapper_exception:
1128         mr      xptr,itmp3                  /* get exception                      */
1129         lwz     xpc,(5+LA_WORD_SIZE+5+58)*4(sp)
1130         addi    sp,sp,(8+LA_WORD_SIZE+5+58)*4
1131         b       L_asm_handle_exception
1132
1133
1134 /* asm_replacement_out *********************************************************
1135
1136    This code is jumped to from the replacement-out stubs that are executed
1137    when a thread reaches an activated replacement point.
1138
1139    The purpose of asm_replacement_out is to read out the parts of the
1140    execution state that cannot be accessed from C code, store this state,
1141    and then call the C function replace_me.
1142
1143    Stack layout:
1144       16                start of stack inside method to replace
1145       0   rplpoint *    info on the replacement point that was reached
1146
1147    NOTE: itmp3 has been clobbered by the replacement-out stub!
1148
1149 *******************************************************************************/
1150
1151 /* some room to accomodate changes of the stack frame size during replacement */
1152         /* XXX we should find a cleaner solution here */
1153 #define REPLACEMENT_ROOM  512
1154
1155 asm_replacement_out:
1156     /* create stack frame */
1157         addi    sp,sp,-(sizeexecutionstate + REPLACEMENT_ROOM) /* XXX align */
1158
1159         /* save link register */
1160         mflr    r16
1161
1162         /* save registers in execution state */
1163         stw     r0 ,( 0*8+offes_intregs)(sp)
1164         stw     r1 ,( 1*8+offes_intregs)(sp)
1165         stw     r2 ,( 2*8+offes_intregs)(sp)
1166         stw     r3 ,( 3*8+offes_intregs)(sp)
1167         stw     r4 ,( 4*8+offes_intregs)(sp)
1168         stw     r5 ,( 5*8+offes_intregs)(sp)
1169         stw     r6 ,( 6*8+offes_intregs)(sp)
1170         stw     r7 ,( 7*8+offes_intregs)(sp)
1171         stw     r8 ,( 8*8+offes_intregs)(sp)
1172         stw     r9 ,( 9*8+offes_intregs)(sp)
1173         stw     r10,(10*8+offes_intregs)(sp)
1174         stw     r11,(11*8+offes_intregs)(sp)
1175         stw     r12,(12*8+offes_intregs)(sp)
1176         stw     r13,(13*8+offes_intregs)(sp)
1177         stw     r14,(14*8+offes_intregs)(sp)
1178         stw     r15,(15*8+offes_intregs)(sp)
1179         stw     r16,(16*8+offes_intregs)(sp) /* link register */
1180         stw     r17,(17*8+offes_intregs)(sp)
1181         stw     r18,(18*8+offes_intregs)(sp)
1182         stw     r19,(19*8+offes_intregs)(sp)
1183         stw     r20,(20*8+offes_intregs)(sp)
1184         stw     r21,(21*8+offes_intregs)(sp)
1185         stw     r22,(22*8+offes_intregs)(sp)
1186         stw     r23,(23*8+offes_intregs)(sp)
1187         stw     r24,(24*8+offes_intregs)(sp)
1188         stw     r25,(25*8+offes_intregs)(sp)
1189         stw     r26,(26*8+offes_intregs)(sp)
1190         stw     r27,(27*8+offes_intregs)(sp)
1191         stw     r28,(28*8+offes_intregs)(sp)
1192         stw     r29,(29*8+offes_intregs)(sp)
1193         stw     r30,(30*8+offes_intregs)(sp)
1194         stw     r31,(31*8+offes_intregs)(sp)
1195
1196         stfd    fr0 ,( 0*8+offes_fltregs)(sp)
1197         stfd    fr1 ,( 1*8+offes_fltregs)(sp)
1198         stfd    fr2 ,( 2*8+offes_fltregs)(sp)
1199         stfd    fr3 ,( 3*8+offes_fltregs)(sp)
1200         stfd    fr4 ,( 4*8+offes_fltregs)(sp)
1201         stfd    fr5 ,( 5*8+offes_fltregs)(sp)
1202         stfd    fr6 ,( 6*8+offes_fltregs)(sp)
1203         stfd    fr7 ,( 7*8+offes_fltregs)(sp)
1204         stfd    fr8 ,( 8*8+offes_fltregs)(sp)
1205         stfd    fr9 ,( 9*8+offes_fltregs)(sp)
1206         stfd    fr10,(10*8+offes_fltregs)(sp)
1207         stfd    fr11,(11*8+offes_fltregs)(sp)
1208         stfd    fr12,(12*8+offes_fltregs)(sp)
1209         stfd    fr13,(13*8+offes_fltregs)(sp)
1210         stfd    fr14,(14*8+offes_fltregs)(sp)
1211         stfd    fr15,(15*8+offes_fltregs)(sp)
1212         stfd    fr16,(16*8+offes_fltregs)(sp)
1213         stfd    fr17,(17*8+offes_fltregs)(sp)
1214         stfd    fr18,(18*8+offes_fltregs)(sp)
1215         stfd    fr19,(19*8+offes_fltregs)(sp)
1216         stfd    fr20,(20*8+offes_fltregs)(sp)
1217         stfd    fr21,(21*8+offes_fltregs)(sp)
1218         stfd    fr22,(22*8+offes_fltregs)(sp)
1219         stfd    fr23,(23*8+offes_fltregs)(sp)
1220         stfd    fr24,(24*8+offes_fltregs)(sp)
1221         stfd    fr25,(25*8+offes_fltregs)(sp)
1222         stfd    fr26,(26*8+offes_fltregs)(sp)
1223         stfd    fr27,(27*8+offes_fltregs)(sp)
1224         stfd    fr28,(28*8+offes_fltregs)(sp)
1225         stfd    fr29,(29*8+offes_fltregs)(sp)
1226         stfd    fr30,(30*8+offes_fltregs)(sp)
1227         stfd    fr31,(31*8+offes_fltregs)(sp)
1228
1229         /* calculate sp of method */
1230         addi    itmp1,sp,(sizeexecutionstate + REPLACEMENT_ROOM + 4*4)
1231         stw     itmp1,(offes_sp)(sp)
1232
1233         /* store pv */
1234         stw     pv,(offes_pv)(sp)
1235
1236         /* call replace_me */
1237         lwz     a0,-(4*4)(itmp1)            /* arg0: rplpoint *                   */
1238         mr      a1,sp                       /* arg1: execution state              */
1239         addi    sp,sp,-(LA_SIZE_ALIGNED)
1240         b       replace_me                  /* call C function replace_me         */
1241
1242 /* asm_replacement_in **********************************************************
1243
1244    This code writes the given execution state and jumps to the replacement
1245    code.
1246
1247    This function never returns!
1248
1249    NOTE: itmp3 is not restored!
1250
1251    C prototype:
1252       void asm_replacement_in(executionstate *es);
1253
1254 *******************************************************************************/
1255
1256 asm_replacement_in:
1257         /* a0 == executionstate *es */
1258
1259         /* set new sp and pv */
1260         lwz     sp,(offes_sp)(a0)
1261         lwz     pv,(offes_pv)(a0)
1262
1263         /* copy registers from execution state */
1264         lwz     r0 ,( 0*8+offes_intregs)(a0)
1265         /* r1 is sp                       */
1266         /* r2 is reserved                 */
1267         /* a0 is loaded below             */
1268         lwz     r4 ,( 4*8+offes_intregs)(a0)
1269         lwz     r5 ,( 5*8+offes_intregs)(a0)
1270         lwz     r6 ,( 6*8+offes_intregs)(a0)
1271         lwz     r7 ,( 7*8+offes_intregs)(a0)
1272         lwz     r8 ,( 8*8+offes_intregs)(a0)
1273         lwz     r9 ,( 9*8+offes_intregs)(a0)
1274         lwz     r10,(10*8+offes_intregs)(a0)
1275         lwz     r11,(11*8+offes_intregs)(a0)
1276         lwz     r12,(12*8+offes_intregs)(a0)
1277         /* r13 is pv                      */
1278         lwz     r14,(14*8+offes_intregs)(a0)
1279         lwz     r15,(15*8+offes_intregs)(a0)
1280         lwz     r16,(16*8+offes_intregs)(a0) /* link register */
1281         lwz     r17,(17*8+offes_intregs)(a0)
1282         lwz     r18,(18*8+offes_intregs)(a0)
1283         lwz     r19,(19*8+offes_intregs)(a0)
1284         lwz     r20,(20*8+offes_intregs)(a0)
1285         lwz     r21,(21*8+offes_intregs)(a0)
1286         lwz     r22,(22*8+offes_intregs)(a0)
1287         lwz     r23,(23*8+offes_intregs)(a0)
1288         lwz     r24,(24*8+offes_intregs)(a0)
1289         lwz     r25,(25*8+offes_intregs)(a0)
1290         lwz     r26,(26*8+offes_intregs)(a0)
1291         lwz     r27,(27*8+offes_intregs)(a0)
1292         lwz     r28,(28*8+offes_intregs)(a0)
1293         lwz     r29,(29*8+offes_intregs)(a0)
1294         lwz     r30,(30*8+offes_intregs)(a0)
1295         lwz     r31,(31*8+offes_intregs)(a0)
1296
1297         lfd     fr0 ,( 0*8+offes_fltregs)(a0)
1298         lfd     fr1 ,( 1*8+offes_fltregs)(a0)
1299         lfd     fr2 ,( 2*8+offes_fltregs)(a0)
1300         lfd     fr3 ,( 3*8+offes_fltregs)(a0)
1301         lfd     fr4 ,( 4*8+offes_fltregs)(a0)
1302         lfd     fr5 ,( 5*8+offes_fltregs)(a0)
1303         lfd     fr6 ,( 6*8+offes_fltregs)(a0)
1304         lfd     fr7 ,( 7*8+offes_fltregs)(a0)
1305         lfd     fr8 ,( 8*8+offes_fltregs)(a0)
1306         lfd     fr9 ,( 9*8+offes_fltregs)(a0)
1307         lfd     fr10,(10*8+offes_fltregs)(a0)
1308         lfd     fr11,(11*8+offes_fltregs)(a0)
1309         lfd     fr12,(12*8+offes_fltregs)(a0)
1310         lfd     fr13,(13*8+offes_fltregs)(a0)
1311         lfd     fr14,(14*8+offes_fltregs)(a0)
1312         lfd     fr15,(15*8+offes_fltregs)(a0)
1313         lfd     fr16,(16*8+offes_fltregs)(a0)
1314         lfd     fr17,(17*8+offes_fltregs)(a0)
1315         lfd     fr18,(18*8+offes_fltregs)(a0)
1316         lfd     fr19,(19*8+offes_fltregs)(a0)
1317         lfd     fr20,(20*8+offes_fltregs)(a0)
1318         lfd     fr21,(21*8+offes_fltregs)(a0)
1319         lfd     fr22,(22*8+offes_fltregs)(a0)
1320         lfd     fr23,(23*8+offes_fltregs)(a0)
1321         lfd     fr24,(24*8+offes_fltregs)(a0)
1322         lfd     fr25,(25*8+offes_fltregs)(a0)
1323         lfd     fr26,(26*8+offes_fltregs)(a0)
1324         lfd     fr27,(27*8+offes_fltregs)(a0)
1325         lfd     fr28,(28*8+offes_fltregs)(a0)
1326         lfd     fr29,(29*8+offes_fltregs)(a0)
1327         lfd     fr30,(30*8+offes_fltregs)(a0)
1328         lfd     fr31,(31*8+offes_fltregs)(a0)
1329
1330         /* restore link register */
1331
1332         mtlr    r16
1333
1334         /* load new pc */
1335
1336         lwz     itmp3,offes_pc(a0)
1337
1338         /* load a0 */
1339
1340         lwz     a0,(3*8+offes_intregs)(a0)
1341
1342         /* jump to new code */
1343
1344         mtctr   itmp3
1345         bctr
1346
1347 /*********************************************************************/
1348
1349 asm_cacheflush:
1350         add     r4,r3,r4
1351         rlwinm  r3,r3,0,0,26
1352         addi    r4,r4,31
1353         rlwinm  r4,r4,0,0,26
1354         mr      r5,r3
1355 1:
1356         cmplw   r3,r4
1357         bge     0f
1358         dcbst   0,r3
1359         addi    r3,r3,32
1360         b       1b
1361 0:
1362         sync
1363 1:
1364         cmplw   r5,r4
1365         bge     0f
1366         icbi    0,r5
1367         addi    r5,r5,32
1368         b       1b
1369 0:
1370         sync
1371         isync
1372         blr
1373
1374
1375 asm_getclassvalues_atomic:
1376 _crit_restart:
1377 _crit_begin:
1378         lwz     r6,offbaseval(r3)
1379         lwz     r7,offdiffval(r3)
1380         lwz     r8,offbaseval(r4)
1381 _crit_end:
1382         stw     r6,offcast_super_baseval(r5)
1383         stw     r7,offcast_super_diffval(r5)
1384         stw     r8,offcast_sub_baseval(r5)
1385         blr
1386
1387         .data
1388
1389 asm_criticalsections:
1390 #if defined(ENABLE_THREADS)
1391         .quad   _crit_begin
1392         .quad   _crit_end
1393         .quad   _crit_restart
1394 #endif
1395         .quad 0
1396
1397
1398 #if defined(__DARWIN__)
1399
1400 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1401         .align 2
1402 L_builtin_throw_exception$stub:
1403         .indirect_symbol _builtin_throw_exception
1404         mflr r0
1405         bcl 20,31,L00$_builtin_throw_exception
1406 L00$_builtin_throw_exception:
1407         mflr r11
1408         addis r11,r11,ha16(L_builtin_throw_exception$lazy_ptr - L00$_builtin_throw_exception)
1409         mtlr r0
1410         lwzu r12,lo16(L_builtin_throw_exception$lazy_ptr - L00$_builtin_throw_exception)(r11)
1411         mtctr r12
1412         bctr
1413 .data
1414 .lazy_symbol_pointer
1415 L_builtin_throw_exception$lazy_ptr:
1416         .indirect_symbol _builtin_throw_exception
1417         .long dyld_stub_binding_helper
1418
1419
1420 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1421         .align 2
1422 L_exceptions_handle_exception$stub:
1423         .indirect_symbol _exceptions_handle_exception
1424         mflr r0
1425         bcl 20,31,L00$_exceptions_handle_exception
1426 L00$_exceptions_handle_exception:
1427         mflr r11
1428         addis r11,r11,ha16(L_exceptions_handle_exception$lazy_ptr - L00$_exceptions_handle_exception)
1429         mtlr r0
1430         lwzu r12,lo16(L_exceptions_handle_exception$lazy_ptr - L00$_exceptions_handle_exception)(r11)
1431         mtctr r12
1432         bctr
1433 .data
1434 .lazy_symbol_pointer
1435 L_exceptions_handle_exception$lazy_ptr:
1436         .indirect_symbol _exceptions_handle_exception
1437         .long dyld_stub_binding_helper
1438
1439
1440 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1441         .align 2
1442 L_stacktrace_create_extern_stackframeinfo$stub:
1443         .indirect_symbol _stacktrace_create_extern_stackframeinfo
1444         mflr r0
1445         bcl 20,31,L00$_stacktrace_create_extern_stackframeinfo
1446 L00$_stacktrace_create_extern_stackframeinfo:
1447         mflr r11
1448         addis r11,r11,ha16(L_stacktrace_create_extern_stackframeinfo$lazy_ptr - L00$_stacktrace_create_extern_stackframeinfo)
1449         mtlr r0
1450         lwzu r12,lo16(L_stacktrace_create_extern_stackframeinfo$lazy_ptr - L00$_stacktrace_create_extern_stackframeinfo)(r11)
1451         mtctr r12
1452         bctr
1453 .data
1454 .lazy_symbol_pointer
1455 L_stacktrace_create_extern_stackframeinfo$lazy_ptr:
1456         .indirect_symbol _stacktrace_create_extern_stackframeinfo
1457         .long dyld_stub_binding_helper
1458
1459
1460 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1461         .align 2
1462 L_jit_asm_compile$stub:
1463         .indirect_symbol _jit_asm_compile
1464         mflr r0
1465         bcl 20,31,L00$_jit_asm_compile
1466 L00$_jit_asm_compile:
1467         mflr r11
1468         addis r11,r11,ha16(L_jit_asm_compile$lazy_ptr - L00$_jit_asm_compile)
1469         mtlr r0
1470         lwzu r12,lo16(L_jit_asm_compile$lazy_ptr - L00$_jit_asm_compile)(r11)
1471         mtctr r12
1472         bctr
1473 .data
1474 .lazy_symbol_pointer
1475 L_jit_asm_compile$lazy_ptr:
1476         .indirect_symbol _jit_asm_compile
1477         .long dyld_stub_binding_helper
1478
1479
1480 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1481         .align 2
1482 L_stacktrace_remove_stackframeinfo$stub:
1483         .indirect_symbol _stacktrace_remove_stackframeinfo
1484         mflr r0
1485         bcl 20,31,L00$_stacktrace_remove_stackframeinfo
1486 L00$_stacktrace_remove_stackframeinfo:
1487         mflr r11
1488         addis r11,r11,ha16(L_stacktrace_remove_stackframeinfo$lazy_ptr - L00$_stacktrace_remove_stackframeinfo)
1489         mtlr r0
1490         lwzu r12,lo16(L_stacktrace_remove_stackframeinfo$lazy_ptr - L00$_stacktrace_remove_stackframeinfo)(r11)
1491         mtctr r12
1492         bctr
1493 .data
1494 .lazy_symbol_pointer
1495 L_stacktrace_remove_stackframeinfo$lazy_ptr:
1496         .indirect_symbol _stacktrace_remove_stackframeinfo
1497         .long dyld_stub_binding_helper
1498
1499
1500 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1501         .align 2
1502 L_exceptions_get_and_clear_exception$stub:
1503         .indirect_symbol _exceptions_get_and_clear_exception
1504         mflr r0
1505         bcl 20,31,L00$_exceptions_get_and_clear_exception
1506 L00$_exceptions_get_and_clear_exception:
1507         mflr r11
1508         addis r11,r11,ha16(L_exceptions_get_and_clear_exception$lazy_ptr - L00$_exceptions_get_and_clear_exception)
1509         mtlr r0
1510         lwzu r12,lo16(L_exceptions_get_and_clear_exception$lazy_ptr - L00$_exceptions_get_and_clear_exception)(r11)
1511         mtctr r12
1512         bctr
1513 .data
1514 .lazy_symbol_pointer
1515 L_exceptions_get_and_clear_exception$lazy_ptr:
1516         .indirect_symbol _exceptions_get_and_clear_exception
1517         .long dyld_stub_binding_helper
1518
1519
1520 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1521         .align 2
1522 L_exceptions_asm_new_abstractmethoderror$stub:
1523         .indirect_symbol _exceptions_asm_new_abstractmethoderror
1524         mflr r0
1525         bcl 20,31,L00$_exceptions_asm_new_abstractmethoderror
1526 L00$_exceptions_asm_new_abstractmethoderror:
1527         mflr r11
1528         addis r11,r11,ha16(L_exceptions_asm_new_abstractmethoderror$lazy_ptr - L00$_exceptions_asm_new_abstractmethoderror)
1529         mtlr r0
1530         lwzu r12,lo16(L_exceptions_asm_new_abstractmethoderror$lazy_ptr - L00$_exceptions_asm_new_abstractmethoderror)(r11)
1531         mtctr r12
1532         bctr
1533 .data
1534 .lazy_symbol_pointer
1535 L_exceptions_asm_new_abstractmethoderror$lazy_ptr:
1536         .indirect_symbol _exceptions_asm_new_abstractmethoderror
1537         .long dyld_stub_binding_helper
1538
1539
1540 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1541         .align 2
1542 L_patcher_wrapper$stub:
1543         .indirect_symbol _patcher_wrapper
1544         mflr r0
1545         bcl 20,31,L00$_patcher_wrapper
1546 L00$_patcher_wrapper:
1547         mflr r11
1548         addis r11,r11,ha16(L_patcher_wrapper$lazy_ptr - L00$_patcher_wrapper)
1549         mtlr r0
1550         lwzu r12,lo16(L_patcher_wrapper$lazy_ptr - L00$_patcher_wrapper)(r11)
1551         mtctr r12
1552         bctr
1553 .data
1554 .lazy_symbol_pointer
1555 L_patcher_wrapper$lazy_ptr:
1556         .indirect_symbol _patcher_wrapper
1557         .long dyld_stub_binding_helper
1558
1559
1560 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1561         .align 2
1562 L_replace_me$stub:
1563         .indirect_symbol _replace_me
1564         mflr r0
1565         bcl 20,31,L00$_replace_me
1566 L00$_replace_me:
1567         mflr r11
1568         addis r11,r11,ha16(L_replace_me$lazy_ptr - L00$_replace_me)
1569         mtlr r0
1570         lwzu r12,lo16(L_replace_me$lazy_ptr - L00$_replace_me)(r11)
1571         mtctr r12
1572         bctr
1573 .data
1574 .lazy_symbol_pointer
1575 L_replace_me$lazy_ptr:
1576         .indirect_symbol _replace_me
1577         .long dyld_stub_binding_helper
1578
1579 #endif /* defined(__DARWIN__) */
1580
1581
1582 /* Disable exec-stacks, required for Gentoo ***********************************/
1583
1584 #if defined(__GCC__) && defined(__ELF__)
1585         .section .note.GNU-stack,"",@progbits
1586 #endif
1587
1588
1589 /*
1590  * These are local overrides for various environment variables in Emacs.
1591  * Please do not remove this and leave it at the end of the file, where
1592  * Emacs will automagically detect them.
1593  * ---------------------------------------------------------------------
1594  * Local variables:
1595  * mode: asm
1596  * indent-tabs-mode: t
1597  * c-basic-offset: 4
1598  * tab-width: 4
1599  * End:
1600  * vim:noexpandtab:sw=4:ts=4:
1601  */