src/vm/jit/powerpc64/asmpart.S

   1 /* src/vm/jit/powerpc64/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 5261 2006-08-22 15:49:25Z 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/powerpc64/offsets.h"
  47
  48 .section ".toc","aw"
  49 .section ".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          /* no function descriptor needed, only called direct */
  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 .section ".opd","aw"
 112 .align 3
 113
 114 asm_vm_call_method:
 115 asm_vm_call_method_int:
 116 asm_vm_call_method_long:
 117 asm_vm_call_method_float:
 118 asm_vm_call_method_double:
 119         .quad   .asm_vm_call_method,.TOC.@tocbase,0
 120         .previous
 121         .size asm_vm_call_method, 24
 122         .type .asm_vm_call_method,@function
 123         .globl .asm_vm_call_method
 124
 125 .asm_vm_call_method:
 126         mflr    r0
 127         std     r0,LA_LR_OFFSET(sp)
 128         stdu    sp,-40*8(sp)
 129
 130         std     s0,8*8(sp)                /* save used callee saved registers     */
 131         std     a0,9*8(sp)                /* save method pointer for compiler     */
 132
 133 #if defined(__DARWIN__)
 134         std     itmp1,10*8(sp)            /* register r11 is callee saved         */
 135 #endif
 136         std     pv,11*8(sp)               /* save PV register                     */
 137
 138         std     itmp3,12*8(sp)            /* registers r14-r31 are callee saved   */
 139         stfd    ftmp1,13*8(sp)            /* registers f14-f31 are callee saved   */
 140         stfd    ftmp2,14*8(sp)
 141
 142 #if defined(__DARWIN__)
 143         std     t1,15*8(r1)
 144         std     t2,16*8(r1)
 145         std     t3,17*8(r1)
 146         std     t4,18*8(r1)
 147         std     t5,19*8(r1)
 148         std     t6,20*8(r1)
 149         std     t7,21*8(r1)
 150
 151         stfd    ft0,22*8(r1)
 152         stfd    ft1,23*8(r1)
 153         stfd    ft2,24*8(r1)
 154         stfd    ft3,25*8(r1)
 155         stfd    ft4,26*8(r1)
 156         stfd    ft5,27*8(r1)
 157 #else
 158         SAVE_TEMPORARY_REGISTERS(15)      /* the offset has to be even            */
 159 #endif
 160
 161         mr      itmp2,a1                  /* arg count                            */
 162         mr      itmp1,a2                  /* pointer to arg block                 */
 163
 164         mr      t4,itmp2                  /* save argument count                  */
 165         mr      t5,itmp1                  /* save argument block pointer          */
 166
 167         mr      s0,sp                     /* save current sp to s0                */
 168
 169         addi    itmp1,itmp1,-sizevmarg    /* initialize pointer (smaller code)    */
 170         addi    itmp2,itmp2,1             /* initialize argument count            */
 171         li      t0,0                      /* initialize integer argument counter  */
 172         li      t1,0                      /* initialize float argument counter    */
 173         li      t6,0                      /* initialize integer register counter  */
 174 #if defined(__DARWIN__)
 175         li      t7,0                      /* initialize stack slot counter        */
 176 #endif
 177
 178         mflr    r0                        /* save link register (PIC code)        */
 179         bl      L_asm_vm_call_method_get_pc
 180 L_asm_vm_call_method_get_pc:
 181         mflr    t3                        /* t3 contains the current pc           */
 182         mtlr    r0
 183
 184 L_register_copy:
 185         addi    itmp1,itmp1,sizevmarg     /* goto next argument block             */
 186         addi    itmp2,itmp2,-1            /* argument count - 1                   */
 187         mr.     itmp2,itmp2
 188         beq     L_register_copy_done
 189
 190         lwz     itmp3,offvmargtype+4(itmp1)
 191         andi.   r0,itmp3,0x0002           /* is this a float/double type?         */
 192         bne     L_register_handle_float
 193
 194 L_register_handle_int:
 195         cmpwi   t6,INT_ARG_CNT            /* are we out of integer argument       */
 196         beq     L_register_copy           /* registers? yes, next loop            */
 197
 198         andi.   r0,itmp3,0x0001           /* is this a 2-word type?               */
 199         bne     L_register_handle_long
 200
 201 #if defined(__DARWIN__)
 202         addis   itmp3,t3,ha16(L_jumptable_int - L_asm_vm_call_method_get_pc)
 203         la      itmp3,lo16(L_jumptable_int - L_asm_vm_call_method_get_pc)(itmp3)
 204 #else
 205         lis     itmp3,L_jumptable_int@highest           /* load 64bit address   */
 206         ori     itmp3,itmp3,L_jumptable_int@higher
 207         rldicr  itmp3,itmp3,32,31
 208         oris    itmp3,itmp3,L_jumptable_int@h
 209         ori     itmp3,itmp3,L_jumptable_int@l
 210 #endif
 211
 212         slwi    t2,t6,2                   /* multiple of 4-bytes                  */
 213         add     itmp3,itmp3,t2            /* calculate address of jumptable       */
 214         ld     itmp3,0(itmp3)             /* load function address                */
 215         mtctr   itmp3
 216         addi    t0,t0,1                   /* integer argument counter             */
 217         addi    t6,t6,1                   /* integer argument register counter    */
 218 #if defined(__DARWIN__)
 219         addi    t7,t7,1                   /* stack slot counter                   */
 220 #endif
 221         bctr
 222
 223 L_register_handle_long:
 224 #if defined(__DARWIN__)
 225         addis   itmp3,t3,ha16(L_jumptable_long - L_asm_vm_call_method_get_pc)
 226         la      itmp3,lo16(L_jumptable_long - L_asm_vm_call_method_get_pc)(itmp3)
 227 #else
 228         lis     itmp3,L_jumptable_long@ha
 229         addi    itmp3,itmp3,L_jumptable_long@l
 230 #endif
 231 #if !defined(__DARWIN__)
 232         addi    t6,t6,1                   /* align to even numbers                */
 233         andi.   t6,t6,0xfffe
 234 #endif
 235
 236         cmpwi   t6,(INT_ARG_CNT - 1)      /* are we out of integer argument       */
 237         blt     L_register_handle_long_continue /* registers?                     */
 238
 239         li      t6,INT_ARG_CNT            /* yes, set integer argument register   */
 240         b       L_register_copy           /* count to max and next loop           */
 241
 242 L_register_handle_long_continue:
 243         slwi    t2,t6,2                   /* multiple of 4-bytes                  */
 244         add     itmp3,itmp3,t2            /* calculate address of jumptable       */
 245         lwz     itmp3,0(itmp3)            /* load function address                */
 246         mtctr   itmp3
 247         addi    t0,t0,1                   /* integer argument counter             */
 248         addi    t6,t6,2                   /* integer argument register counter    */
 249 #if defined(__DARWIN__)
 250         addi    t7,t7,2                   /* stack slot counter                   */
 251 #endif
 252         bctr
 253
 254 L_register_handle_float:
 255         cmpwi   t1,FLT_ARG_CNT            /* are we out of float argument         */
 256         beq     L_register_copy           /* registers? yes, next loop            */
 257
 258         andi.   r0,itmp3,0x0001           /* is this a 2-word type?               */
 259         bne     L_register_handle_double
 260
 261 #if defined(__DARWIN__)
 262         addis   itmp3,t3,ha16(L_jumptable_float - L_asm_vm_call_method_get_pc)
 263         la      itmp3,lo16(L_jumptable_float - L_asm_vm_call_method_get_pc)(itmp3)
 264 #else
 265         lis     itmp3,L_jumptable_float@ha
 266         addi    itmp3,itmp3,L_jumptable_float@l
 267 #endif
 268
 269         slwi    t2,t1,2                   /* multiple of 4-bytes                  */
 270         add     itmp3,itmp3,t2            /* calculate address of jumptable       */
 271         lwz     itmp3,0(itmp3)            /* load function address                */
 272         mtctr   itmp3
 273         addi    t1,t1,1                   /* float argument counter               */
 274 #if defined(__DARWIN__)
 275         addi    t7,t7,1                   /* stack slot counter                   */
 276         addi    t6,t6,1                   /* skip 1 integer argument register     */
 277 #endif
 278         bctr
 279
 280 L_register_handle_double:
 281 #if defined(__DARWIN__)
 282         addis   itmp3,t3,ha16(L_jumptable_double - L_asm_vm_call_method_get_pc)
 283         la      itmp3,lo16(L_jumptable_double - L_asm_vm_call_method_get_pc)(itmp3)
 284 #else
 285         lis     itmp3,L_jumptable_double@ha
 286         addi    itmp3,itmp3,L_jumptable_double@l
 287 #endif
 288
 289         slwi    t2,t1,2                   /* multiple of 4-bytes                  */
 290         add     itmp3,itmp3,t2            /* calculate address of jumptable       */
 291         lwz     itmp3,0(itmp3)            /* load function address                */
 292         mtctr   itmp3
 293         addi    t1,t1,1                   /* float argument counter               */
 294 #if defined(__DARWIN__)
 295         addi    t7,t7,2                   /* stack slot counter                   */
 296         addi    t6,t6,2                   /* skip 2 integer argument registers    */
 297 #endif
 298         bctr
 299
 300 L_register_copy_done:
 301                                           /* calculate remaining arguments        */
 302         sub     itmp3,t4,t0               /* - integer arguments in registers     */
 303         sub     itmp3,itmp3,t1            /* - float arguments in registers       */
 304         mr.     itmp3,itmp3
 305         beq     L_stack_copy_done
 306
 307         mr      itmp2,t4                  /* restore argument count               */
 308         mr      itmp1,t5                  /* restore argument block pointer       */
 309
 310         slwi    t4,itmp3,3                /* XXX use 8-bytes slots for now        */
 311         addi    t4,t4,LA_SIZE             /* add size of linkage area             */
 312
 313 #if defined(__DARWIN__)
 314         slwi    t5,t7,2                   /* add stack space for arguments        */
 315         add     t4,t4,t5
 316 #endif
 317
 318         sub     sp,sp,t4
 319
 320         mr      t6,sp                     /* use t6 as temporary sp               */
 321         addi    t6,t6,LA_SIZE             /* skip linkage area                    */
 322 #if defined(__DARWIN__)
 323         add     t6,t6,t5                  /* skip stack space for arguments       */
 324 #endif
 325
 326         addi    itmp1,itmp1,-sizevmarg    /* initialize pointer (smaller code)    */
 327         addi    itmp2,itmp2,1             /* initialize argument count            */
 328
 329 L_stack_copy_loop:
 330         addi    itmp1,itmp1,sizevmarg     /* goto next argument block             */
 331         addi    itmp2,itmp2,-1            /* argument count - 1                   */
 332         mr.     itmp2,itmp2
 333         beq     L_stack_copy_done
 334
 335         lwz     itmp3,offvmargtype+4(itmp1)
 336         andi.   r0,itmp3,0x0002           /* is this a float/double type?         */
 337         bne     L_stack_handle_float
 338
 339 L_stack_handle_int:
 340         addi    t0,t0,-1                  /* arguments assigned to registers      */
 341         mr.     t0,t0
 342         bge     L_stack_copy_loop
 343
 344         andi.   r0,itmp3,0x0001           /* is this a 2-word type?               */
 345         bne     L_stack_handle_long
 346
 347         lwz     itmp3,offvmargdata+4(itmp1) /* get integer argument               */
 348         stw     itmp3,0(t6)               /* and store it on the stack            */
 349         addi    t6,t6,4                   /* increase temporary sp by 1 slot      */
 350         b       L_stack_copy_loop
 351
 352 L_stack_handle_long:
 353 #if !defined(__DARWIN__)
 354         addi    t6,t6,4                   /* align stack to 8-bytes               */
 355         rlwinm  t6,t6,0,30,28             /* clear lower 4-bits                   */
 356 #endif
 357
 358         lwz     itmp3,offvmargdata+0(itmp1) /* get long argument                  */
 359         stw     itmp3,0(t6)               /* and store it on the stack            */
 360         lwz     itmp3,offvmargdata+4(itmp1)
 361         stw     itmp3,4(t6)
 362         addi    t6,t6,8                   /* increase temporary sp by 2 slots     */
 363         b       L_stack_copy_loop
 364
 365 L_stack_handle_float:
 366         addi    t1,t1,-1                  /* arguments assigned to registers      */
 367         mr.     t1,t1
 368         bge     L_stack_copy_loop
 369
 370         andi.   r0,itmp3,0x0001           /* is this a 2-word type?               */
 371         bne     L_stack_handle_double
 372
 373         lfs     ftmp3,offvmargdata(itmp1) /* get float argument                   */
 374         stfs    ftmp3,0(t6)               /* and store it on the stack            */
 375         addi    t6,t6,4                   /* increase temporary sp by 1 slot      */
 376         b       L_stack_copy_loop
 377
 378 L_stack_handle_double:
 379 #if !defined(__DARWIN__)
 380         addi    t6,t6,4                   /* align stack to 8-bytes               */
 381         rlwinm  t6,t6,0,30,28             /* clear lower 4-bits                   */
 382 #endif
 383
 384         lfd     ftmp3,offvmargdata(itmp1) /* get double argument                  */
 385         stfd    ftmp3,0(t6)               /* and store it on the stack            */
 386         addi    t6,t6,8                   /* increase temporary sp by 2 slots     */
 387         b       L_stack_copy_loop
 388
 389 L_stack_copy_done:
 390         ld      itmp1,9*8(s0)             /* pass method pointer via tmp1         */
 391
 392 #if defined(__DARWIN__)
 393         addis   mptr,t3,ha16(L_asm_call_jit_compiler - L_asm_vm_call_method_get_pc)
 394         la      mptr,lo16(L_asm_call_jit_compiler - L_asm_vm_call_method_get_pc)(mptr)
 395 #else
 396         lis     mptr,L_asm_call_jit_compiler@highest    /* load 64bit address   */
 397         ori     mptr,mptr,L_asm_call_jit_compiler@higher
 398         rldicr  mptr,mptr,32,31
 399         oris    mptr,mptr,L_asm_call_jit_compiler@h
 400         ori     mptr,mptr,L_asm_call_jit_compiler@l
 401 #endif
 402         std     mptr,7*8(s0)
 403         addi    mptr,s0,7*8
 404
 405         ld      pv,0*8(mptr)
 406         mtctr   pv
 407         bctrl
 408 1:
 409         mflr    itmp1
 410 #if defined(__DARWIN__)
 411         addi    pv,itmp1,lo16(.asm_vm_call_method - 1b)
 412 #else
 413         addi    pv,itmp1,(.asm_vm_call_method - 1b)@l
 414 #endif
 415
 416 L_asm_vm_call_method_return:
 417         mr      sp,s0                     /* restore the function's sp            */
 418
 419         lwz     s0,8*4(sp)                /* restore used callee saved registers  */
 420
 421 #if defined(__DARWIN__)
 422         lwz     itmp1,10*4(sp)            /* register r11 is callee saved         */
 423 #endif
 424         lwz     pv,11*4(sp)               /* save PV register                     */
 425
 426         lwz     itmp3,12*4(sp)
 427         lfd     ftmp1,14*4(sp)            /* registers f14-f31 are callee saved   */
 428         lfd     ftmp2,16*4(sp)
 429
 430 #if defined(__DARWIN__)
 431         lwz     t1,18*4(r1)
 432         lwz     t2,19*4(r1)
 433         lwz     t3,20*4(r1)
 434         lwz     t4,21*4(r1)
 435         lwz     t5,22*4(r1)
 436         lwz     t6,23*4(r1)
 437         lwz     t7,24*4(r1)
 438
 439         lfd     ft0,26*4(r1)
 440         lfd     ft1,28*4(r1)
 441         lfd     ft2,30*4(r1)
 442         lfd     ft3,32*4(r1)
 443         lfd     ft4,34*4(r1)
 444         lfd     ft5,36*4(r1)
 445 #else
 446         RESTORE_TEMPORARY_REGISTERS(18)   /* the offset has to be even            */
 447 #endif
 448
 449         lwz     r0,40*4+LA_LR_OFFSET(r1)
 450         mtlr    r0
 451         addi    r1,r1,40*4
 452         blr
 453
 454 asm_vm_call_method_exception_handler:
 455         mr      r3,itmp1
 456         bl      builtin_throw_exception
 457         b       L_asm_vm_call_method_return
 458
 459
 460         .data
 461         .align  4
 462
 463 L_jumptable_int:
 464         .quad   L_handle_a0
 465         .quad   L_handle_a1
 466         .quad   L_handle_a2
 467         .quad   L_handle_a3
 468         .quad   L_handle_a4
 469         .quad   L_handle_a5
 470         .quad   L_handle_a6
 471         .quad   L_handle_a7
 472
 473         .text
 474         .align  4
 475
 476 L_handle_a0:
 477         lwz     a0,offvmargdata+4(itmp1)
 478         b       L_register_copy
 479 L_handle_a1:
 480         lwz     a1,offvmargdata+4(itmp1)
 481         b       L_register_copy
 482 L_handle_a2:
 483         lwz     a2,offvmargdata+4(itmp1)
 484         b       L_register_copy
 485 L_handle_a3:
 486         lwz     a3,offvmargdata+4(itmp1)
 487         b       L_register_copy
 488 L_handle_a4:
 489         lwz     a4,offvmargdata+4(itmp1)
 490         b       L_register_copy
 491 L_handle_a5:
 492         lwz     a5,offvmargdata+4(itmp1)
 493         b       L_register_copy
 494 L_handle_a6:
 495         lwz     a6,offvmargdata+4(itmp1)
 496         b       L_register_copy
 497 L_handle_a7:
 498         lwz     a7,offvmargdata+4(itmp1)
 499         b       L_register_copy
 500
 501
 502         .data
 503         .align  2
 504
 505 L_jumptable_long:
 506 #if defined(__DARWIN__)
 507         .quad   L_handle_a0_a1
 508         .quad   L_handle_a1_a2
 509         .quad   L_handle_a2_a3
 510         .quad   L_handle_a3_a4
 511         .quad   L_handle_a4_a5
 512         .quad   L_handle_a5_a6
 513         .quad   L_handle_a6_a7
 514 #else
 515         /* we have two entries here, so we get the even argument register
 516         alignment for linux */
 517
 518         .quad   L_handle_a0_a1
 519         .quad   0
 520         .quad   L_handle_a2_a3
 521         .quad   0
 522         .quad   L_handle_a4_a5
 523         .quad   0
 524         .quad   L_handle_a6_a7
 525 #endif
 526
 527         .text
 528         .align  2
 529
 530 L_handle_a0_a1:
 531         lwz     a0,offvmargdata+0(itmp1)
 532         lwz     a1,offvmargdata+4(itmp1)
 533         b       L_register_copy
 534 #if defined(__DARWIN__)
 535 L_handle_a1_a2:
 536         lwz     a1,offvmargdata+0(itmp1)
 537         lwz     a2,offvmargdata+4(itmp1)
 538         b       L_register_copy
 539 #endif
 540 L_handle_a2_a3:
 541         lwz     a2,offvmargdata+0(itmp1)
 542         lwz     a3,offvmargdata+4(itmp1)
 543         b       L_register_copy
 544 #if defined(__DARWIN__)
 545 L_handle_a3_a4:
 546         lwz     a3,offvmargdata+0(itmp1)
 547         lwz     a4,offvmargdata+4(itmp1)
 548         b       L_register_copy
 549 #endif
 550 L_handle_a4_a5:
 551         lwz     a4,offvmargdata+0(itmp1)
 552         lwz     a5,offvmargdata+4(itmp1)
 553         b       L_register_copy
 554 #if defined(__DARWIN__)
 555 L_handle_a5_a6:
 556         lwz     a5,offvmargdata+0(itmp1)
 557         lwz     a6,offvmargdata+4(itmp1)
 558         b       L_register_copy
 559 #endif
 560 L_handle_a6_a7:
 561         lwz     a6,offvmargdata+0(itmp1)
 562         lwz     a7,offvmargdata+4(itmp1)
 563         b       L_register_copy
 564
 565
 566         .data
 567         .align  2
 568
 569 L_jumptable_float:
 570         .quad   L_handle_fa0
 571         .quad   L_handle_fa1
 572         .quad   L_handle_fa2
 573         .quad   L_handle_fa3
 574         .quad   L_handle_fa4
 575         .quad   L_handle_fa5
 576         .quad   L_handle_fa6
 577         .quad   L_handle_fa7
 578
 579 #if defined(__DARWIN__)
 580         .quad   L_handle_fa8
 581         .quad   L_handle_fa9
 582         .quad   L_handle_fa10
 583         .quad   L_handle_fa11
 584         .quad   L_handle_fa12
 585 #endif
 586
 587         .text
 588         .align  2
 589
 590 L_handle_fa0:
 591         lfs     fa0,offvmargdata(itmp1)
 592         b       L_register_copy
 593 L_handle_fa1:
 594         lfs     fa1,offvmargdata(itmp1)
 595         b       L_register_copy
 596 L_handle_fa2:
 597         lfs     fa2,offvmargdata(itmp1)
 598         b       L_register_copy
 599 L_handle_fa3:
 600         lfs     fa3,offvmargdata(itmp1)
 601         b       L_register_copy
 602 L_handle_fa4:
 603         lfs     fa4,offvmargdata(itmp1)
 604         b       L_register_copy
 605 L_handle_fa5:
 606         lfs     fa5,offvmargdata(itmp1)
 607         b       L_register_copy
 608 L_handle_fa6:
 609         lfs     fa6,offvmargdata(itmp1)
 610         b       L_register_copy
 611 L_handle_fa7:
 612         lfs     fa7,offvmargdata(itmp1)
 613         b       L_register_copy
 614
 615 #if defined(__DARWIN__)
 616 L_handle_fa8:
 617         lfs     fa8,offvmargdata(itmp1)
 618         b       L_register_copy
 619 L_handle_fa9:
 620         lfs     fa9,offvmargdata(itmp1)
 621         b       L_register_copy
 622 L_handle_fa10:
 623         lfs     fa10,offvmargdata(itmp1)
 624         b       L_register_copy
 625 L_handle_fa11:
 626         lfs     fa11,offvmargdata(itmp1)
 627         b       L_register_copy
 628 L_handle_fa12:
 629         lfs     fa12,offvmargdata(itmp1)
 630         b       L_register_copy
 631 #endif
 632
 633
 634         .data
 635         .align  2
 636
 637 L_jumptable_double:
 638         .quad   L_handle_fda0
 639         .quad   L_handle_fda1
 640         .quad   L_handle_fda2
 641         .quad   L_handle_fda3
 642         .quad   L_handle_fda4
 643         .quad   L_handle_fda5
 644         .quad   L_handle_fda6
 645         .quad   L_handle_fda7
 646
 647 #if defined(__DARWIN__)
 648         .quad   L_handle_fda8
 649         .quad   L_handle_fda9
 650         .quad   L_handle_fda10
 651         .quad   L_handle_fda11
 652         .quad   L_handle_fda12
 653 #endif
 654
 655         .text
 656         .align  2
 657
 658 L_handle_fda0:
 659         lfd     fa0,offvmargdata(itmp1)
 660         b       L_register_copy
 661 L_handle_fda1:
 662         lfd     fa1,offvmargdata(itmp1)
 663         b       L_register_copy
 664 L_handle_fda2:
 665         lfd     fa2,offvmargdata(itmp1)
 666         b       L_register_copy
 667 L_handle_fda3:
 668         lfd     fa3,offvmargdata(itmp1)
 669         b       L_register_copy
 670 L_handle_fda4:
 671         lfd     fa4,offvmargdata(itmp1)
 672         b       L_register_copy
 673 L_handle_fda5:
 674         lfd     fa5,offvmargdata(itmp1)
 675         b       L_register_copy
 676 L_handle_fda6:
 677         lfd     fa6,offvmargdata(itmp1)
 678         b       L_register_copy
 679 L_handle_fda7:
 680         lfd     fa7,offvmargdata(itmp1)
 681         b       L_register_copy
 682
 683 #if defined(__DARWIN__)
 684 L_handle_fda8:
 685         lfd     fa8,offvmargdata(itmp1)
 686         b       L_register_copy
 687 L_handle_fda9:
 688         lfd     fa9,offvmargdata(itmp1)
 689         b       L_register_copy
 690 L_handle_fda10:
 691         lfd     fa10,offvmargdata(itmp1)
 692         b       L_register_copy
 693 L_handle_fda11:
 694         lfd     fa11,offvmargdata(itmp1)
 695         b       L_register_copy
 696 L_handle_fda12:
 697         lfd     fa12,offvmargdata(itmp1)
 698         b       L_register_copy
 699 #endif
 700
 701
 702 /* asm_call_jit_compiler *******************************************************
 703
 704    Invokes the compiler for untranslated JavaVM methods.
 705
 706 *******************************************************************************/
 707
 708 asm_call_jit_compiler:
 709 L_asm_call_jit_compiler:                /* required for PIC code              */
 710         mflr    r0
 711         std     r0,LA_LR_OFFSET(sp)         /* save return address                */
 712         stdu    r1,-(LA_SIZE+PA_SIZE+ARG_CNT*8)(sp)
 713
 714 #if defined(__DARWIN__)
 715         stw     a0,LA_SIZE+(5+0)*8(r1)
 716         stw     a1,LA_SIZE+(5+1)*8(r1)
 717         stw     a2,LA_SIZE+(5+2)*8(r1)
 718         stw     a3,LA_SIZE+(5+3)*8(r1)
 719         stw     a4,LA_SIZE+(5+4)*8(r1)
 720         stw     a5,LA_SIZE+(5+5)*8(r1)
 721         stw     a6,LA_SIZE+(5+6)*8(r1)
 722         stw     a7,LA_SIZE+(5+7)*8(r1)
 723
 724         stfd    fa0,LA_SIZE+(5+8)*8(r1)
 725         stfd    fa1,LA_SIZE+(5+10)*8(r1)
 726         stfd    fa2,LA_SIZE+(5+12)*8(r1)
 727         stfd    fa3,LA_SIZE+(5+14)*8(r1)
 728         stfd    fa4,LA_SIZE+(5+16)*8(r1)
 729         stfd    fa5,LA_SIZE+(5+18)*8(r1)
 730         stfd    fa6,LA_SIZE+(5+20)*8(r1)
 731         stfd    fa7,LA_SIZE+(5+22)*8(r1)
 732         stfd    fa8,LA_SIZE+(5+24)*8(r1)
 733         stfd    fa9,LA_SIZE+(5+26)*8(r1)
 734         stfd    fa10,LA_SIZE+(5+28)*8(r1)
 735         stfd    fa11,LA_SIZE+(5+30)*8(r1)
 736         stfd    fa12,LA_SIZE+(5+32)*8(r1)
 737 #else
 738         SAVE_ARGUMENT_REGISTERS(LA_SIZE_IN_POINTERS+PA_SIZE_IN_POINTERS)
 739 #endif
 740
 741         mr      a0,itmp1
 742         mr      a1,mptr
 743         addi    a2,sp,(LA_SIZE + PA_SIZE+ ARG_CNT*8)
 744         ld      a3,(LA_SIZE + PA_SIZE + ARG_CNT*8)+LA_LR_OFFSET(sp)
 745         bl      jit_asm_compile
 746         ori     r0,r0,0                     /* nop needed after jump to function desc. */
 747         mr      pv,v0                       /* move address to pv register        */
 748
 749 #if defined(__DARWIN__)
 750         lwz     a0,LA_SIZE+(+5+0)*8(r1)
 751         lwz     a1,LA_SIZE+(+5+1)*8(r1)
 752         lwz     a2,LA_SIZE+(+5+2)*8(r1)
 753         lwz     a3,LA_SIZE+(+5+3)*8(r1)
 754         lwz     a4,LA_SIZE+(+5+4)*8(r1)
 755         lwz     a5,LA_SIZE+(+5+5)*8(r1)
 756         lwz     a6,LA_SIZE+(+5+6)*8(r1)
 757         lwz     a7,LA_SIZE+(+5+7)*8(r1)
 758
 759         lfd     fa0,LA_SIZE+(+5+8)*8(r1)
 760         lfd     fa1,LA_SIZE+(+5+10)*8(r1)
 761         lfd     fa2,LA_SIZE+(+5+12)*8(r1)
 762         lfd     fa3,LA_SIZE+(+5+14)*8(r1)
 763         lfd     fa4,LA_SIZE+(+5+16)*8(r1)
 764         lfd     fa5,LA_SIZE+(+5+18)*8(r1)
 765         lfd     fa6,LA_SIZE+(+5+20)*8(r1)
 766         lfd     fa7,LA_SIZE+(+5+22)*8(r1)
 767         lfd     fa8,LA_SIZE+(+5+24)*8(r1)
 768         lfd     fa9,LA_SIZE+(+5+26)*8(r1)
 769         lfd     fa10,LA_SIZE+(+5+28)*8(r1)
 770         lfd     fa11,LA_SIZE+(+5+30)*8(r1)
 771         lfd     fa12,LA_SIZE+(+5+32)*8(r1)
 772 #else
 773         RESTORE_ARGUMENT_REGISTERS(LA_SIZE_IN_POINTERS+PA_SIZE_IN_POINTERS)
 774 #endif
 775
 776         ld     itmp1,(LA_SIZE + PA_SIZE + ARG_CNT*8)+LA_LR_OFFSET(sp)
 777         mtlr   itmp1
 778
 779         addi    sp,sp,(LA_SIZE + PA_SIZE + ARG_CNT*8)
 780
 781         mr.     pv,pv                       /* test for exception                 */
 782         beq     L_asm_call_jit_compiler_exception
 783
 784         mtctr   pv                          /* move method address to control reg */
 785         bctr                                /* and call the Java method           */
 786
 787 L_asm_call_jit_compiler_exception:
 788         mflr    r0
 789         stw     r0,LA_LR_OFFSET(sp)
 790         stwu    sp,-LA_SIZE_ALIGNED(sp)     /* preserve linkage area              */
 791         bl      exceptions_get_and_clear_exception
 792         lwz     xpc,LA_SIZE_ALIGNED+LA_LR_OFFSET(sp)
 793         mtlr    xpc
 794         addi    sp,sp,LA_SIZE_ALIGNED
 795
 796         mr      xptr,v0                     /* get exception                      */
 797         addi    xpc,xpc,-4                  /* exception address is ra - 4        */
 798         b       L_asm_handle_nat_exception
 799
 800
 801 /********************* function asm_handle_exception ***************************
 802 *                                                                              *
 803 *   This function handles an exception. It does not use the usual calling      *
 804 *   conventions. The exception pointer is passed in REG_ITMP1 and the          *
 805 *   pc from the exception raising position is passed in REG_ITMP2. It searches *
 806 *   the local exception table for a handler. If no one is found, it unwinds    *
 807 *   stacks and continues searching the callers.                                *
 808 *                                                                              *
 809 *   void asm_handle_exception (exceptionptr, exceptionpc);                     *
 810 *                                                                              *
 811 *******************************************************************************/
 812
 813 asm_handle_nat_exception:
 814 L_asm_handle_nat_exception:             /* required for PIC code              */
 815         mflr    r9
 816         lwz     itmp3,4(r9)
 817         extsh   itmp3,itmp3
 818         add     pv,itmp3,r9
 819         lwz     itmp3,8(r9)
 820         srwi    itmp3,itmp3,16
 821         cmpwi   itmp3,0x3dad
 822         bne     L_asm_handle_exception
 823         lwz     itmp3,8(r9)
 824         slwi    itmp3,itmp3,16
 825         add     pv,pv,itmp3
 826
 827 asm_handle_exception:
 828 L_asm_handle_exception:                 /* required for PIC code              */
 829         addi    sp,sp,-(ARG_CNT+TMP_CNT)*8  /* create maybe-leaf stackframe       */
 830
 831 #if defined(__DARWIN__)
 832 #else
 833         SAVE_ARGUMENT_REGISTERS(0)          /* we save arg and temp registers in  */
 834         SAVE_TEMPORARY_REGISTERS(ARG_CNT)   /* case this is a leaf method         */
 835 #endif
 836
 837         li      a3,(ARG_CNT+TMP_CNT)*8      /* prepare a3 for handle_exception    */
 838         li      a4,1                        /* set maybe-leaf flag                */
 839
 840 L_asm_handle_exception_stack_loop:
 841         addi    sp,sp,-(LA_SIZE_IN_POINTERS+4+5)*8 /* allocate stack                     */
 842         stw     xptr,LA_SIZE+4*4(sp)        /* save exception pointer             */
 843         stw     xpc,LA_SIZE+5*4(sp)         /* save exception pc                  */
 844         stw     pv,LA_SIZE+6*4(sp)          /* save data segment pointer          */
 845         mflr    r0                          /* save return address                */
 846         stw     r0,LA_SIZE+5*4(sp)
 847         add     a3,a3,sp                    /* calculate Java sp into a3...       */
 848         addi    a3,a3,LA_SIZE+(4+5)*8
 849         stw     a4,LA_SIZE+8*4(sp)          /* save maybe-leaf flag               */
 850
 851         mr      a0,xptr                     /* pass exception pointer             */
 852         mr      a1,xpc                      /* pass exception pc                  */
 853         mr      a2,pv                       /* pass data segment pointer          */
 854                                             /* a3 is still set                    */
 855         bl      exceptions_handle_exception
 856
 857         mr.     v0,v0
 858         beq     L_asm_handle_exception_not_catched
 859
 860         mr      xpc,v0                      /* move handlerpc into xpc            */
 861         lwz     xptr,LA_SIZE+4*4(sp)        /* restore exception pointer          */
 862         lwz     pv,LA_SIZE+6*4(sp)          /* restore data segment pointer       */
 863         lwz     r0,LA_SIZE+5*4(sp)          /* restore return address             */
 864         mtlr    r0
 865         lwz     a4,LA_SIZE+8*4(sp)          /* get maybe-leaf flag                */
 866         addi    sp,sp,LA_SIZE+(4+5)*8  /* free stack frame                   */
 867
 868         mr.     a4,a4
 869         beq     L_asm_handle_exception_no_leaf
 870
 871 #if defined(__DARWIN__)
 872 #else
 873         RESTORE_ARGUMENT_REGISTERS(0)       /* if this is a leaf method, we have  */
 874         RESTORE_TEMPORARY_REGISTERS(ARG_CNT)/* to restore arg and temp registers  */
 875 #endif
 876
 877         addi    sp,sp,(ARG_CNT+TMP_CNT)*8   /* remove maybe-leaf stackframe       */
 878
 879 L_asm_handle_exception_no_leaf:
 880         mtctr   xpc                         /* jump to the handler                */
 881         bctr
 882
 883 L_asm_handle_exception_not_catched:
 884         lwz     xptr,LA_SIZE+4*8(sp)        /* restore exception pointer          */
 885         lwz     pv,LA_SIZE+6*8(sp)          /* restore data segment pointer       */
 886         lwz     r0,LA_SIZE+5*8(sp)          /* restore return address             */
 887         mtlr    r0
 888         lwz     a4,LA_SIZE+8*8(sp)          /* get maybe-leaf flag                */
 889         addi    sp,sp,LA_SIZE+(4+5)*8  /* free stack frame                   */
 890
 891         mr.     a4,a4
 892         beq     L_asm_handle_exception_no_leaf_stack
 893
 894         addi    sp,sp,(ARG_CNT+TMP_CNT)*8   /* remove maybe-leaf stackframe       */
 895         li      a4,0                        /* clear the maybe-leaf flag          */
 896
 897 L_asm_handle_exception_no_leaf_stack:
 898         lwz     t0,FrameSize(pv)            /* get frame size                     */
 899         add     t0,sp,t0                    /* pointer to save area               */
 900
 901         lwz     t1,IsLeaf(pv)               /* is leaf procedure                  */
 902         mr.     t1,t1
 903         bne     L_asm_handle_exception_no_ra_restore
 904
 905         lwz     r0,LA_LR_OFFSET(t0)         /* restore ra                         */
 906         mtlr    r0
 907
 908 L_asm_handle_exception_no_ra_restore:
 909         mflr    xpc                         /* the new xpc is ra                  */
 910         lwz     t1,IntSave(pv)              /* t1 = saved int register count      */
 911         bl      ex_int1
 912 ex_int1:
 913         mflr    t2                          /* t2 = current pc                    */
 914 #if defined(__DARWIN__)
 915         addi    t2,t2,lo16(ex_int2-ex_int1)
 916 #else
 917         addi    t2,t2,(ex_int2-ex_int1)@l
 918 #endif
 919         slwi    t1,t1,2                     /* t1 = register count * 4            */
 920         subf    t2,t1,t2                    /* t2 = IntSave - t1                  */
 921         mtctr   t2
 922         bctr
 923
 924         lwz     s0,-10*4(t0)
 925         lwz     s1,-9*4(t0)
 926         lwz     s2,-8*4(t0)
 927         lwz     s3,-7*4(t0)
 928         lwz     s4,-6*4(t0)
 929         lwz     s5,-5*4(t0)
 930         lwz     s6,-4*4(t0)
 931         lwz     s7,-3*4(t0)
 932         lwz     s8,-2*4(t0)
 933         /*lwz     s9,-1*4(t0) XXX */
 934
 935 ex_int2:
 936         subf    t0,t1,t0                    /* t0 = t0 - register count * 4       */
 937
 938         lwz     t1,FltSave(pv)
 939         bl      ex_flt1
 940 ex_flt1:
 941         mflr    t2
 942 #if defined(__DARWIN__)
 943         addi    t2,t2,lo16(ex_flt2-ex_flt1)
 944 #else
 945         addi    t2,t2,(ex_flt2-ex_flt1)@l
 946 #endif
 947         slwi    t1,t1,2                     /* t1 = register count * 4            */
 948         subf    t2,t1,t2                    /* t2 = FltSave - t1                  */
 949         mtctr   t2
 950         bctr
 951
 952         lfd     fs0,-10*8(t0)
 953         lfd     fs1,-9*8(t0)
 954         lfd     fs2,-8*8(t0)
 955         lfd     fs3,-7*8(t0)
 956         lfd     fs4,-6*8(t0)
 957         lfd     fs5,-5*8(t0)
 958         lfd     fs6,-4*8(t0)
 959         lfd     fs7,-3*8(t0)
 960         lfd     fs8,-2*8(t0)
 961         lfd     fs9,-1*8(t0)
 962
 963 ex_flt2:
 964         lwz     t0,FrameSize(pv)            /* get frame size                     */
 965         add     sp,sp,t0                    /* unwind stack                       */
 966         li      a3,0                        /* prepare a3 for handle_exception    */
 967
 968         mtlr    xpc
 969         lwz     itmp3,4(xpc)
 970         extsh   itmp3,itmp3
 971         add     pv,itmp3,xpc
 972         lwz     itmp3,8(xpc)
 973         srwi    itmp3,itmp3,16
 974         cmpwi   itmp3,0x3dad
 975         bne     L_asm_handle_exception_stack_loop
 976         lwz     itmp3,8(xpc)
 977         slwi    itmp3,itmp3,16
 978         add     pv,pv,itmp3
 979
 980         b       L_asm_handle_exception_stack_loop
 981
 982
 983 /* asm_abstractmethoderror *****************************************************
 984
 985    Creates and throws an AbstractMethodError.
 986
 987 *******************************************************************************/
 988
 989 asm_abstractmethoderror:
 990         mflr    r0
 991         stw     r0,LA_LR_OFFSET(sp)
 992         stwu    sp,-LA_SIZE_ALIGNED(sp)     /* preserve linkage area              */
 993         addi    a0,sp,LA_SIZE_ALIGNED       /* pass java sp                       */
 994         mr      a1,r0                       /* pass exception address             */
 995         bl      exceptions_asm_new_abstractmethoderror
 996         lwz     r0,LA_SIZE_ALIGNED+LA_LR_OFFSET(sp)
 997         mtlr    r0                          /* restore return address             */
 998         addi    sp,sp,LA_SIZE_ALIGNED
 999
1000         mr      xptr,v0                     /* get exception pointer              */
1001         mr      xpc,r0                      /* we can't use r0 directly in addi   */
1002         addi    xpc,xpc,-4                  /* exception address is ra - 4        */
1003         b       L_asm_handle_nat_exception
1004
1005
1006 /* asm_patcher_wrapper *********************************************************
1007
1008    XXX
1009
1010    Stack layout:
1011      40   return address into JIT code (patch position)
1012      32   pointer to virtual java_objectheader
1013      24   machine code (which is patched back later)
1014      16   unresolved class/method/field reference
1015       8   data segment displacement from load instructions
1016       0   patcher function pointer to call (pv is saved here afterwards)
1017
1018 *******************************************************************************/
1019
1020 asm_patcher_wrapper:
1021         mflr    r0                    /* get Java return address (leaf)           */
1022         std     r0,6*8(sp)            /* store it in the stub stackframe          */
1023                                       /* keep stack 16-bytes aligned: 6+1+37 = 44 */
1024         stdu    sp,-(LA_SIZE+PA_SIZE+ARG_CNT*8+TMP_CNT*8+4*8)(sp)
1025
1026 #if defined(__DARWIN__)
1027         stw     a0,LA_SIZE+(5+0)*8(r1)      /* save argument registers            */
1028         stw     a1,LA_SIZE+(5+1)*8(r1)      /* preserve linkage area (24 bytes)   */
1029         stw     a2,LA_SIZE+(5+2)*8(r1)      /* and 4 bytes for 4 argument         */
1030         stw     a3,LA_SIZE+(5+3)*8(r1)
1031         stw     a4,LA_SIZE+(5+4)*8(r1)
1032         stw     a5,LA_SIZE+(5+5)*8(r1)
1033         stw     a6,LA_SIZE+(5+6)*8(r1)
1034         stw     a7,LA_SIZE+(5+7)*8(r1)
1035
1036         stfd    fa0,LA_SIZE+(5+8)*8(sp)
1037         stfd    fa1,LA_SIZE+(5+10)*8(sp)
1038         stfd    fa2,LA_SIZE+(5+12)*8(sp)
1039         stfd    fa3,LA_SIZE+(5+14)*8(sp)
1040         stfd    fa4,LA_SIZE+(5+16)*8(sp)
1041         stfd    fa5,LA_SIZE+(5+18)*8(sp)
1042         stfd    fa6,LA_SIZE+(5+20)*8(sp)
1043         stfd    fa7,LA_SIZE+(5+22)*8(sp)
1044         stfd    fa8,LA_SIZE+(5+24)*8(sp)
1045         stfd    fa9,LA_SIZE+(5+26)*8(sp)
1046         stfd    fa10,LA_SIZE+(5+28)*8(sp)
1047         stfd    fa11,LA_SIZE+(5+30)*8(sp)
1048         stfd    fa12,LA_SIZE+(5+32)*8(sp)       /* XXX */
1049
1050         stw     t0,LA_SIZE+(+5+33)*8(r1)
1051         stw     t1,LA_SIZE+(+5+34)*8(r1)
1052         stw     t2,LA_SIZE+(+5+35)*8(r1)
1053         stw     t3,LA_SIZE+(+5+36)*8(r1)
1054         stw     t4,LA_SIZE+(+5+37)*8(r1)
1055         stw     t5,LA_SIZE+(+5+38)*8(r1)
1056         stw     t6,LA_SIZE+(+5+39)*8(r1)
1057         stw     t7,LA_SIZE+(+5+40)*8(r1)
1058
1059         stfd    ft0,LA_SIZE+(+5+42)*8(r1)
1060         stfd    ft1,LA_SIZE+(+5+44)*8(r1)
1061         stfd    ft2,LA_SIZE+(+5+46)*8(r1)
1062         stfd    ft3,LA_SIZE+(+5+48)*8(r1)
1063         stfd    ft4,LA_SIZE+(+5+50)*8(r1)
1064         stfd    ft5,LA_SIZE+(+5+52)*8(r1)
1065 #else
1066         SAVE_ARGUMENT_REGISTERS(LA_SIZE_IN_POINTERS+PA_SIZE_IN_POINTERS) /* save 8 int/8 float arguments   */
1067         SAVE_TEMPORARY_REGISTERS(LA_SIZE_IN_POINTERS+PA_SIZE_IN_POINTERS+ARG_CNT)
1068 #endif
1069
1070         std     itmp1,LA_SIZE+PA_SIZE+(ARG_CNT+TMP_CNT)*8+1*8(sp)
1071         std     itmp2,LA_SIZE+PA_SIZE+(ARG_CNT+TMP_CNT)*8+2*8(sp)
1072         std     pv,LA_SIZE+PA_SIZE+(ARG_CNT+TMP_CNT)*8+3*8(sp)
1073
1074         addi    a0,sp,LA_SIZE+PA_SIZE+ARG_CNT*8+TMP_CNT*8+4*8      /* pass SP of patcher stub            */
1075         mr      a1,pv                       /* pass PV                            */
1076         mr      a2,r0                       /* pass RA (correct for leafs)        */
1077         bl      patcher_wrapper
1078         std     v0,LA_SIZE+PA_SIZE+(ARG_CNT+TMP_CNT)*8+4*8(sp)     /* save return value                  */
1079
1080 #if defined(__DARWIN__)
1081         lwz     a0,LA_SIZE+(5+0)*8(r1)
1082         lwz     a1,LA_SIZE+(5+1)*8(r1)
1083         lwz     a2,LA_SIZE+(5+2)*8(r1)
1084         lwz     a3,LA_SIZE+(5+3)*8(r1)
1085         lwz     a4,LA_SIZE+(5+4)*8(r1)
1086         lwz     a5,LA_SIZE+(5+5)*8(r1)
1087         lwz     a6,LA_SIZE+(5+6)*8(r1)
1088         lwz     a7,LA_SIZE+(5+7)*8(r1)
1089
1090         lfd     fa0,LA_SIZE+(5+8)*8(sp)
1091         lfd     fa1,LA_SIZE+(5+10)*8(sp)
1092         lfd     fa2,LA_SIZE+(5+12)*8(sp)
1093         lfd     fa3,LA_SIZE+(5+14)*8(sp)
1094         lfd     fa4,LA_SIZE+(5+16)*8(sp)
1095         lfd     fa5,LA_SIZE+(5+18)*8(sp)
1096         lfd     fa6,LA_SIZE+(5+20)*8(sp)
1097         lfd     fa7,LA_SIZE+(5+22)*8(sp)
1098         lfd     fa8,LA_SIZE+(5+24)*8(sp)
1099         lfd     fa9,LA_SIZE+(5+26)*8(sp)
1100         lfd     fa10,LA_SIZE+(5+28)*8(sp)
1101         lfd     fa11,LA_SIZE+(5+30)*8(sp)
1102         lfd     fa12,LA_SIZE+(5+32)*8(sp)
1103
1104         lwz     t0,LA_SIZE+(+5+33)*8(r1)
1105         lwz     t1,LA_SIZE+(+5+34)*8(r1)
1106         lwz     t2,LA_SIZE+(+5+35)*8(r1)
1107         lwz     t3,LA_SIZE+(+5+36)*8(r1)
1108         lwz     t4,LA_SIZE+(+5+37)*8(r1)
1109         lwz     t5,LA_SIZE+(+5+38)*8(r1)
1110         lwz     t6,LA_SIZE+(+5+39)*8(r1)
1111         lwz     t7,LA_SIZE+(+5+40)*8(r1)
1112
1113         lfd     ft0,LA_SIZE+(+5+42)*8(r1)
1114         lfd     ft1,LA_SIZE+(+5+44)*8(r1)
1115         lfd     ft2,LA_SIZE+(+5+46)*8(r1)
1116         lfd     ft3,LA_SIZE+(+5+48)*8(r1)
1117         lfd     ft4,LA_SIZE+(+5+50)*8(r1)
1118         lfd     ft5,LA_SIZE+(+5+52)*8(r1)
1119 #else
1120         RESTORE_ARGUMENT_REGISTERS(LA_SIZE_IN_POINTERS+PA_SIZE_IN_POINTERS) /* restore 8 int/8 float args  */
1121         RESTORE_TEMPORARY_REGISTERS(LA_SIZE_IN_POINTERS+PA_SIZE_IN_POINTERS+ARG_CNT)
1122 #endif
1123
1124         ld     itmp1,LA_SIZE+PA_SIZE+(ARG_CNT+TMP_CNT)*8+1*8(sp)
1125         ld     itmp2,LA_SIZE+PA_SIZE+(ARG_CNT+TMP_CNT)*8+2*8(sp)
1126         ld     pv,LA_SIZE+(ARG_CNT+TMP_CNT)*8+3*8(sp)
1127         ld     itmp3,LA_SIZE+(ARG_CNT+TMP_CNT)*8+4*8(sp)
1128
1129         ld      r0,LA_SIZE+PA_SIZE+ARG_CNT*8+TMP_CNT*8+4*8+6*8(sp) /* restore RA                      */
1130         mtlr    r0
1131
1132         mr.     itmp3,itmp3           /* check for an exception                   */
1133         bne     L_asm_patcher_wrapper_exception
1134
1135                                       /* get return address (into JIT code)       */
1136         lwz     itmp3,LA_SIZE+PA_SIZE+ARG_CNT*8+TMP_CNT*8+4*8+5*8(sp)
1137
1138                                       /* remove stack frame + patcher stub stack  */
1139         addi    sp,sp,LA_SIZE+PA_SIZE+ARG_CNT*8+TMP_CNT*8+4*8+8*8
1140
1141         mtctr   itmp3
1142         bctr                          /* jump to new patched code                 */
1143
1144 L_asm_patcher_wrapper_exception:
1145         mr      xptr,itmp3                  /* get exception                      */
1146         lwz     xpc,LA_SIZE+(5+5+58)*8(sp)
1147         addi    sp,sp,LA_SIZE+(8+5+58)*8
1148         b       L_asm_handle_exception
1149
1150
1151 /* asm_replacement_out *********************************************************
1152
1153    This code is jumped to from the replacement-out stubs that are executed
1154    when a thread reaches an activated replacement point.
1155
1156    The purpose of asm_replacement_out is to read out the parts of the
1157    execution state that cannot be accessed from C code, store this state,
1158    and then call the C function replace_me.
1159
1160    Stack layout:
1161       16                start of stack inside method to replace
1162       0   rplpoint *    info on the replacement point that was reached
1163
1164    NOTE: itmp3 has been clobbered by the replacement-out stub!
1165
1166 *******************************************************************************/
1167
1168 /* some room to accomodate changes of the stack frame size during replacement */
1169         /* XXX we should find a cleaner solution here */
1170 #define REPLACEMENT_ROOM  512
1171
1172 asm_replacement_out:
1173     /* create stack frame */
1174         addi    sp,sp,-(sizeexecutionstate + REPLACEMENT_ROOM) /* XXX align */
1175
1176         /* save link register */
1177         mflr    r16
1178
1179         /* save registers in execution state */
1180         stw     r0 ,( 0*8+offes_intregs)(sp)
1181         stw     r1 ,( 1*8+offes_intregs)(sp)
1182         stw     r2 ,( 2*8+offes_intregs)(sp)
1183         stw     r3 ,( 3*8+offes_intregs)(sp)
1184         stw     r4 ,( 4*8+offes_intregs)(sp)
1185         stw     r5 ,( 5*8+offes_intregs)(sp)
1186         stw     r6 ,( 6*8+offes_intregs)(sp)
1187         stw     r7 ,( 7*8+offes_intregs)(sp)
1188         stw     r8 ,( 8*8+offes_intregs)(sp)
1189         stw     r9 ,( 9*8+offes_intregs)(sp)
1190         stw     r10,(10*8+offes_intregs)(sp)
1191         stw     r11,(11*8+offes_intregs)(sp)
1192         stw     r12,(12*8+offes_intregs)(sp)
1193         stw     r13,(13*8+offes_intregs)(sp)
1194         stw     r14,(14*8+offes_intregs)(sp)
1195         stw     r15,(15*8+offes_intregs)(sp)
1196         stw     r16,(16*8+offes_intregs)(sp) /* link register */
1197         stw     r17,(17*8+offes_intregs)(sp)
1198         stw     r18,(18*8+offes_intregs)(sp)
1199         stw     r19,(19*8+offes_intregs)(sp)
1200         stw     r20,(20*8+offes_intregs)(sp)
1201         stw     r21,(21*8+offes_intregs)(sp)
1202         stw     r22,(22*8+offes_intregs)(sp)
1203         stw     r23,(23*8+offes_intregs)(sp)
1204         stw     r24,(24*8+offes_intregs)(sp)
1205         stw     r25,(25*8+offes_intregs)(sp)
1206         stw     r26,(26*8+offes_intregs)(sp)
1207         stw     r27,(27*8+offes_intregs)(sp)
1208         stw     r28,(28*8+offes_intregs)(sp)
1209         stw     r29,(29*8+offes_intregs)(sp)
1210         stw     r30,(30*8+offes_intregs)(sp)
1211         stw     r31,(31*8+offes_intregs)(sp)
1212
1213         stfd    fr0 ,( 0*8+offes_fltregs)(sp)
1214         stfd    fr1 ,( 1*8+offes_fltregs)(sp)
1215         stfd    fr2 ,( 2*8+offes_fltregs)(sp)
1216         stfd    fr3 ,( 3*8+offes_fltregs)(sp)
1217         stfd    fr4 ,( 4*8+offes_fltregs)(sp)
1218         stfd    fr5 ,( 5*8+offes_fltregs)(sp)
1219         stfd    fr6 ,( 6*8+offes_fltregs)(sp)
1220         stfd    fr7 ,( 7*8+offes_fltregs)(sp)
1221         stfd    fr8 ,( 8*8+offes_fltregs)(sp)
1222         stfd    fr9 ,( 9*8+offes_fltregs)(sp)
1223         stfd    fr10,(10*8+offes_fltregs)(sp)
1224         stfd    fr11,(11*8+offes_fltregs)(sp)
1225         stfd    fr12,(12*8+offes_fltregs)(sp)
1226         stfd    fr13,(13*8+offes_fltregs)(sp)
1227         stfd    fr14,(14*8+offes_fltregs)(sp)
1228         stfd    fr15,(15*8+offes_fltregs)(sp)
1229         stfd    fr16,(16*8+offes_fltregs)(sp)
1230         stfd    fr17,(17*8+offes_fltregs)(sp)
1231         stfd    fr18,(18*8+offes_fltregs)(sp)
1232         stfd    fr19,(19*8+offes_fltregs)(sp)
1233         stfd    fr20,(20*8+offes_fltregs)(sp)
1234         stfd    fr21,(21*8+offes_fltregs)(sp)
1235         stfd    fr22,(22*8+offes_fltregs)(sp)
1236         stfd    fr23,(23*8+offes_fltregs)(sp)
1237         stfd    fr24,(24*8+offes_fltregs)(sp)
1238         stfd    fr25,(25*8+offes_fltregs)(sp)
1239         stfd    fr26,(26*8+offes_fltregs)(sp)
1240         stfd    fr27,(27*8+offes_fltregs)(sp)
1241         stfd    fr28,(28*8+offes_fltregs)(sp)
1242         stfd    fr29,(29*8+offes_fltregs)(sp)
1243         stfd    fr30,(30*8+offes_fltregs)(sp)
1244         stfd    fr31,(31*8+offes_fltregs)(sp)
1245
1246         /* calculate sp of method */
1247         addi    itmp1,sp,(sizeexecutionstate + REPLACEMENT_ROOM + 4*4)
1248         stw     itmp1,(offes_sp)(sp)
1249
1250         /* store pv */
1251         stw     pv,(offes_pv)(sp)
1252
1253         /* call replace_me */
1254         lwz     a0,-(4*4)(itmp1)            /* arg0: rplpoint *                   */
1255         mr      a1,sp                       /* arg1: execution state              */
1256         addi    sp,sp,-(LA_SIZE_ALIGNED)
1257         b       replace_me                  /* call C function replace_me         */
1258
1259 /* asm_replacement_in **********************************************************
1260
1261    This code writes the given execution state and jumps to the replacement
1262    code.
1263
1264    This function never returns!
1265
1266    NOTE: itmp3 is not restored!
1267
1268    C prototype:
1269       void asm_replacement_in(executionstate *es);
1270
1271 *******************************************************************************/
1272
1273 .asm_replacement_in:
1274         /* a0 == executionstate *es */
1275
1276         /* set new sp and pv */
1277         lwz     sp,(offes_sp)(a0)
1278         lwz     pv,(offes_pv)(a0)
1279
1280         /* copy registers from execution state */
1281         lwz     r0 ,( 0*8+offes_intregs)(a0)
1282         /* r1 is sp                       */
1283         /* r2 is reserved                 */
1284         /* a0 is loaded below             */
1285         lwz     r4 ,( 4*8+offes_intregs)(a0)
1286         lwz     r5 ,( 5*8+offes_intregs)(a0)
1287         lwz     r6 ,( 6*8+offes_intregs)(a0)
1288         lwz     r7 ,( 7*8+offes_intregs)(a0)
1289         lwz     r8 ,( 8*8+offes_intregs)(a0)
1290         lwz     r9 ,( 9*8+offes_intregs)(a0)
1291         lwz     r10,(10*8+offes_intregs)(a0)
1292         lwz     r11,(11*8+offes_intregs)(a0)
1293         lwz     r12,(12*8+offes_intregs)(a0)
1294         /* r13 is pv                      */
1295         lwz     r14,(14*8+offes_intregs)(a0)
1296         lwz     r15,(15*8+offes_intregs)(a0)
1297         lwz     r16,(16*8+offes_intregs)(a0) /* link register */
1298         lwz     r17,(17*8+offes_intregs)(a0)
1299         lwz     r18,(18*8+offes_intregs)(a0)
1300         lwz     r19,(19*8+offes_intregs)(a0)
1301         lwz     r20,(20*8+offes_intregs)(a0)
1302         lwz     r21,(21*8+offes_intregs)(a0)
1303         lwz     r22,(22*8+offes_intregs)(a0)
1304         lwz     r23,(23*8+offes_intregs)(a0)
1305         lwz     r24,(24*8+offes_intregs)(a0)
1306         lwz     r25,(25*8+offes_intregs)(a0)
1307         lwz     r26,(26*8+offes_intregs)(a0)
1308         lwz     r27,(27*8+offes_intregs)(a0)
1309         lwz     r28,(28*8+offes_intregs)(a0)
1310         lwz     r29,(29*8+offes_intregs)(a0)
1311         lwz     r30,(30*8+offes_intregs)(a0)
1312         lwz     r31,(31*8+offes_intregs)(a0)
1313
1314         lfd     fr0 ,( 0*8+offes_fltregs)(a0)
1315         lfd     fr1 ,( 1*8+offes_fltregs)(a0)
1316         lfd     fr2 ,( 2*8+offes_fltregs)(a0)
1317         lfd     fr3 ,( 3*8+offes_fltregs)(a0)
1318         lfd     fr4 ,( 4*8+offes_fltregs)(a0)
1319         lfd     fr5 ,( 5*8+offes_fltregs)(a0)
1320         lfd     fr6 ,( 6*8+offes_fltregs)(a0)
1321         lfd     fr7 ,( 7*8+offes_fltregs)(a0)
1322         lfd     fr8 ,( 8*8+offes_fltregs)(a0)
1323         lfd     fr9 ,( 9*8+offes_fltregs)(a0)
1324         lfd     fr10,(10*8+offes_fltregs)(a0)
1325         lfd     fr11,(11*8+offes_fltregs)(a0)
1326         lfd     fr12,(12*8+offes_fltregs)(a0)
1327         lfd     fr13,(13*8+offes_fltregs)(a0)
1328         lfd     fr14,(14*8+offes_fltregs)(a0)
1329         lfd     fr15,(15*8+offes_fltregs)(a0)
1330         lfd     fr16,(16*8+offes_fltregs)(a0)
1331         lfd     fr17,(17*8+offes_fltregs)(a0)
1332         lfd     fr18,(18*8+offes_fltregs)(a0)
1333         lfd     fr19,(19*8+offes_fltregs)(a0)
1334         lfd     fr20,(20*8+offes_fltregs)(a0)
1335         lfd     fr21,(21*8+offes_fltregs)(a0)
1336         lfd     fr22,(22*8+offes_fltregs)(a0)
1337         lfd     fr23,(23*8+offes_fltregs)(a0)
1338         lfd     fr24,(24*8+offes_fltregs)(a0)
1339         lfd     fr25,(25*8+offes_fltregs)(a0)
1340         lfd     fr26,(26*8+offes_fltregs)(a0)
1341         lfd     fr27,(27*8+offes_fltregs)(a0)
1342         lfd     fr28,(28*8+offes_fltregs)(a0)
1343         lfd     fr29,(29*8+offes_fltregs)(a0)
1344         lfd     fr30,(30*8+offes_fltregs)(a0)
1345         lfd     fr31,(31*8+offes_fltregs)(a0)
1346
1347         /* restore link register */
1348
1349         mtlr    r16
1350
1351         /* load new pc */
1352
1353         lwz     itmp3,offes_pc(a0)
1354
1355         /* load a0 */
1356
1357         lwz     a0,(3*8+offes_intregs)(a0)
1358
1359         /* jump to new code */
1360
1361         mtctr   itmp3
1362         bctr
1363
1364 /*********************************************************************/
1365 /*
1366 asm_cacheflush:
1367         .quad .asm_cacheflush,.TOC.@tocbase,0
1368         .previous
1369         .size asm_cacheflush,24
1370         .type .asm_cacheflush,@function
1371         .globl .asm_cacheflush
1372 */
1373 .asm_cacheflush:
1374         add     r4,r3,r4
1375         rldimi  r3,r3,0,26
1376         addi    r4,r4,31
1377         rldimi  r4,r4,0,26
1378         mr      r5,r3
1379 1:
1380         cmpld   r3,r4
1381         bge     0f
1382         dcbst   0,r3
1383         addi    r3,r3,32
1384         b       1b
1385 0:
1386         sync
1387 1:
1388         cmpld   r5,r4
1389         bge     0f
1390         icbi    0,r5
1391         addi    r5,r5,32
1392         b       1b
1393 0:
1394         sync
1395         isync
1396         blr
1397
1398
1399 asm_getclassvalues_atomic:
1400 .globl .asm_getclassvalues_atomic
1401 _crit_restart:
1402 _crit_begin:
1403         lwz     r6,offbaseval(r3)
1404         lwz     r7,offdiffval(r3)
1405         lwz     r8,offbaseval(r4)
1406 _crit_end:
1407         stw     r6,offcast_super_baseval(r5)
1408         stw     r7,offcast_super_diffval(r5)
1409         stw     r8,offcast_sub_baseval(r5)
1410         blr
1411
1412         .data
1413
1414 asm_criticalsections:
1415 #if defined(ENABLE_THREADS)
1416         .quad   _crit_begin
1417         .quad   _crit_end
1418         .quad   _crit_restart
1419 #endif
1420         .quad 0
1421
1422
1423 #if defined(__DARWIN__)
1424
1425 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1426         .align 2
1427 L_builtin_throw_exception$stub:
1428         .indirect_symbol _builtin_throw_exception
1429         mflr r0
1430         bcl 20,31,L00$_builtin_throw_exception
1431 L00$_builtin_throw_exception:
1432         mflr r11
1433         addis r11,r11,ha16(L_builtin_throw_exception$lazy_ptr - L00$_builtin_throw_exception)
1434         mtlr r0
1435         lwzu r12,lo16(L_builtin_throw_exception$lazy_ptr - L00$_builtin_throw_exception)(r11)
1436         mtctr r12
1437         bctr
1438 .data
1439 .lazy_symbol_pointer
1440 L_builtin_throw_exception$lazy_ptr:
1441         .indirect_symbol _builtin_throw_exception
1442         .long dyld_stub_binding_helper
1443
1444
1445 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1446         .align 2
1447 L_exceptions_handle_exception$stub:
1448         .indirect_symbol _exceptions_handle_exception
1449         mflr r0
1450         bcl 20,31,L00$_exceptions_handle_exception
1451 L00$_exceptions_handle_exception:
1452         mflr r11
1453         addis r11,r11,ha16(L_exceptions_handle_exception$lazy_ptr - L00$_exceptions_handle_exception)
1454         mtlr r0
1455         lwzu r12,lo16(L_exceptions_handle_exception$lazy_ptr - L00$_exceptions_handle_exception)(r11)
1456         mtctr r12
1457         bctr
1458 .data
1459 .lazy_symbol_pointer
1460 L_exceptions_handle_exception$lazy_ptr:
1461         .indirect_symbol _exceptions_handle_exception
1462         .long dyld_stub_binding_helper
1463
1464
1465 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1466         .align 2
1467 L_stacktrace_create_extern_stackframeinfo$stub:
1468         .indirect_symbol _stacktrace_create_extern_stackframeinfo
1469         mflr r0
1470         bcl 20,31,L00$_stacktrace_create_extern_stackframeinfo
1471 L00$_stacktrace_create_extern_stackframeinfo:
1472         mflr r11
1473         addis r11,r11,ha16(L_stacktrace_create_extern_stackframeinfo$lazy_ptr - L00$_stacktrace_create_extern_stackframeinfo)
1474         mtlr r0
1475         lwzu r12,lo16(L_stacktrace_create_extern_stackframeinfo$lazy_ptr - L00$_stacktrace_create_extern_stackframeinfo)(r11)
1476         mtctr r12
1477         bctr
1478 .data
1479 .lazy_symbol_pointer
1480 L_stacktrace_create_extern_stackframeinfo$lazy_ptr:
1481         .indirect_symbol _stacktrace_create_extern_stackframeinfo
1482         .long dyld_stub_binding_helper
1483
1484
1485 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1486         .align 2
1487 L_jit_asm_compile$stub:
1488         .indirect_symbol _jit_asm_compile
1489         mflr r0
1490         bcl 20,31,L00$_jit_asm_compile
1491 L00$_jit_asm_compile:
1492         mflr r11
1493         addis r11,r11,ha16(L_jit_asm_compile$lazy_ptr - L00$_jit_asm_compile)
1494         mtlr r0
1495         lwzu r12,lo16(L_jit_asm_compile$lazy_ptr - L00$_jit_asm_compile)(r11)
1496         mtctr r12
1497         bctr
1498 .data
1499 .lazy_symbol_pointer
1500 L_jit_asm_compile$lazy_ptr:
1501         .indirect_symbol _jit_asm_compile
1502         .long dyld_stub_binding_helper
1503
1504
1505 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1506         .align 2
1507 L_stacktrace_remove_stackframeinfo$stub:
1508         .indirect_symbol _stacktrace_remove_stackframeinfo
1509         mflr r0
1510         bcl 20,31,L00$_stacktrace_remove_stackframeinfo
1511 L00$_stacktrace_remove_stackframeinfo:
1512         mflr r11
1513         addis r11,r11,ha16(L_stacktrace_remove_stackframeinfo$lazy_ptr - L00$_stacktrace_remove_stackframeinfo)
1514         mtlr r0
1515         lwzu r12,lo16(L_stacktrace_remove_stackframeinfo$lazy_ptr - L00$_stacktrace_remove_stackframeinfo)(r11)
1516         mtctr r12
1517         bctr
1518 .data
1519 .lazy_symbol_pointer
1520 L_stacktrace_remove_stackframeinfo$lazy_ptr:
1521         .indirect_symbol _stacktrace_remove_stackframeinfo
1522         .long dyld_stub_binding_helper
1523
1524
1525 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1526         .align 2
1527 L_exceptions_get_and_clear_exception$stub:
1528         .indirect_symbol _exceptions_get_and_clear_exception
1529         mflr r0
1530         bcl 20,31,L00$_exceptions_get_and_clear_exception
1531 L00$_exceptions_get_and_clear_exception:
1532         mflr r11
1533         addis r11,r11,ha16(L_exceptions_get_and_clear_exception$lazy_ptr - L00$_exceptions_get_and_clear_exception)
1534         mtlr r0
1535         lwzu r12,lo16(L_exceptions_get_and_clear_exception$lazy_ptr - L00$_exceptions_get_and_clear_exception)(r11)
1536         mtctr r12
1537         bctr
1538 .data
1539 .lazy_symbol_pointer
1540 L_exceptions_get_and_clear_exception$lazy_ptr:
1541         .indirect_symbol _exceptions_get_and_clear_exception
1542         .long dyld_stub_binding_helper
1543
1544
1545 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1546         .align 2
1547 L_exceptions_asm_new_abstractmethoderror$stub:
1548         .indirect_symbol _exceptions_asm_new_abstractmethoderror
1549         mflr r0
1550         bcl 20,31,L00$_exceptions_asm_new_abstractmethoderror
1551 L00$_exceptions_asm_new_abstractmethoderror:
1552         mflr r11
1553         addis r11,r11,ha16(L_exceptions_asm_new_abstractmethoderror$lazy_ptr - L00$_exceptions_asm_new_abstractmethoderror)
1554         mtlr r0
1555         lwzu r12,lo16(L_exceptions_asm_new_abstractmethoderror$lazy_ptr - L00$_exceptions_asm_new_abstractmethoderror)(r11)
1556         mtctr r12
1557         bctr
1558 .data
1559 .lazy_symbol_pointer
1560 L_exceptions_asm_new_abstractmethoderror$lazy_ptr:
1561         .indirect_symbol _exceptions_asm_new_abstractmethoderror
1562         .long dyld_stub_binding_helper
1563
1564
1565 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1566         .align 2
1567 L_patcher_wrapper$stub:
1568         .indirect_symbol _patcher_wrapper
1569         mflr r0
1570         bcl 20,31,L00$_patcher_wrapper
1571 L00$_patcher_wrapper:
1572         mflr r11
1573         addis r11,r11,ha16(L_patcher_wrapper$lazy_ptr - L00$_patcher_wrapper)
1574         mtlr r0
1575         lwzu r12,lo16(L_patcher_wrapper$lazy_ptr - L00$_patcher_wrapper)(r11)
1576         mtctr r12
1577         bctr
1578 .data
1579 .lazy_symbol_pointer
1580 L_patcher_wrapper$lazy_ptr:
1581         .indirect_symbol _patcher_wrapper
1582         .long dyld_stub_binding_helper
1583
1584
1585 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
1586         .align 2
1587 L_replace_me$stub:
1588         .indirect_symbol _replace_me
1589         mflr r0
1590         bcl 20,31,L00$_replace_me
1591 L00$_replace_me:
1592         mflr r11
1593         addis r11,r11,ha16(L_replace_me$lazy_ptr - L00$_replace_me)
1594         mtlr r0
1595         lwzu r12,lo16(L_replace_me$lazy_ptr - L00$_replace_me)(r11)
1596         mtctr r12
1597         bctr
1598 .data
1599 .lazy_symbol_pointer
1600 L_replace_me$lazy_ptr:
1601         .indirect_symbol _replace_me
1602         .long dyld_stub_binding_helper
1603
1604 #endif /* defined(__DARWIN__) */
1605
1606
1607 /* Disable exec-stacks, required for Gentoo ***********************************/
1608
1609 #if defined(__GCC__) && defined(__ELF__)
1610         .section .note.GNU-stack,"",@progbits
1611 #endif
1612
1613
1614 /*
1615  * These are local overrides for various environment variables in Emacs.
1616  * Please do not remove this and leave it at the end of the file, where
1617  * Emacs will automagically detect them.
1618  * ---------------------------------------------------------------------
1619  * Local variables:
1620  * mode: asm
1621  * indent-tabs-mode: t
1622  * c-basic-offset: 4
1623  * tab-width: 4
1624  * End:
1625  * vim:noexpandtab:sw=4:ts=4:
1626  */