src/runtime/ppc-darwin-os.c

   1 /*
   2  * This is the PowerPC/Darwin incarnation of arch-dependent
   3  * OS-dependent routines. See also "bsdos.c".
   4  */
   5
   6 /*
   7  * This software is part of the SBCL system. See the README file for
   8  * more information.
   9  *
  10  * This software is derived from the CMU CL system, which was
  11  * written at Carnegie Mellon University and released into the
  12  * public domain. The software is in the public domain and is
  13  * provided with absolutely no warranty. See the COPYING and CREDITS
  14  * files for more information.
  15  */
  16
  17 #include "sbcl.h"
  18 #include "globals.h"
  19 #include "runtime.h"
  20 #include <signal.h>
  21 #include <ucontext.h>
  22 #include <limits.h>
  23 #include <mach-o/dyld.h>
  24 #include "bsd-os.h"
  25
  26 os_context_register_t   *
  27 os_context_register_addr(os_context_t *context, int offset)
  28 {
  29     ppc_saved_state_t *state = &context->uc_mcontext->ss;
  30     switch(offset) {
  31     case 0:
  32         return &state->r0;
  33     case 1:
  34         return &state->r1;
  35     case 2:
  36         return &state->r2;
  37     case 3:
  38         return &state->r3;
  39     case 4:
  40         return &state->r4;
  41     case 5:
  42         return &state->r5;
  43     case 6:
  44         return &state->r6;
  45     case 7:
  46         return &state->r7;
  47     case 8:
  48         return &state->r8;
  49     case 9:
  50         return &state->r9;
  51     case 10:
  52         return &state->r10;
  53     case 11:
  54         return &state->r11;
  55     case 12:
  56         return &state->r12;
  57     case 13:
  58         return &state->r13;
  59     case 14:
  60         return &state->r14;
  61     case 15:
  62         return &state->r15;
  63     case 16:
  64         return &state->r16;
  65     case 17:
  66         return &state->r17;
  67     case 18:
  68         return &state->r18;
  69     case 19:
  70         return &state->r19;
  71     case 20:
  72         return &state->r20;
  73     case 21:
  74         return &state->r21;
  75     case 22:
  76         return &state->r22;
  77     case 23:
  78         return &state->r23;
  79     case 24:
  80         return &state->r24;
  81     case 25:
  82         return &state->r25;
  83     case 26:
  84         return &state->r26;
  85     case 27:
  86         return &state->r27;
  87     case 28:
  88         return &state->r28;
  89     case 29:
  90         return &state->r29;
  91     case 30:
  92         return &state->r30;
  93     case 31:
  94         return &state->r31;
  95     case 41:
  96         /* PT_DAR */
  97         return &context->uc_mcontext->es.dar;
  98     case 42:
  99         /* PT_DSISR */
 100         return &context->uc_mcontext->es.dsisr;
 101     }
 102 }
 103
 104 os_context_register_t *
 105 os_context_lr_addr(os_context_t *context)
 106 {
 107     return &context->uc_mcontext->ss.lr;
 108 }
 109
 110 void
 111 os_flush_icache(os_vm_address_t address, os_vm_size_t length)
 112 {
 113     /* see ppc-arch.c */
 114     ppc_flush_icache(address,length);
 115 }
 116