src/runtime/ppc-darwin-os.c

   1 #include "globals.h"
   2 #include <signal.h>
   3 #include <ucontext.h>
   4 #include "bsd-os.h"
   5
   6 os_context_register_t   *
   7 os_context_register_addr(os_context_t *context, int offset)
   8 {
   9     ppc_saved_state_t *state = &context->uc_mcontext->ss;
  10     switch(offset) {
  11     case 0:
  12         return &state->r0;
  13     case 1:
  14         return &state->r1;
  15     case 2:
  16         return &state->r2;
  17     case 3:
  18         return &state->r3;
  19     case 4:
  20         return &state->r4;
  21     case 5:
  22         return &state->r5;
  23     case 6:
  24         return &state->r6;
  25     case 7:
  26         return &state->r7;
  27     case 8:
  28         return &state->r8;
  29     case 9:
  30         return &state->r9;
  31     case 10:
  32         return &state->r10;
  33     case 11:
  34         return &state->r11;
  35     case 12:
  36         return &state->r12;
  37     case 13:
  38         return &state->r13;
  39     case 14:
  40         return &state->r14;
  41     case 15:
  42         return &state->r15;
  43     case 16:
  44         return &state->r16;
  45     case 17:
  46         return &state->r17;
  47     case 18:
  48         return &state->r18;
  49     case 19:
  50         return &state->r19;
  51     case 20:
  52         return &state->r20;
  53     case 21:
  54         return &state->r21;
  55     case 22:
  56         return &state->r22;
  57     case 23:
  58         return &state->r23;
  59     case 24:
  60         return &state->r24;
  61     case 25:
  62         return &state->r25;
  63     case 26:
  64         return &state->r26;
  65     case 27:
  66         return &state->r27;
  67     case 28:
  68         return &state->r28;
  69     case 29:
  70         return &state->r29;
  71     case 30:
  72         return &state->r30;
  73     case 31:
  74         return &state->r31;
  75     case 41:
  76         /* PT_DAR */
  77         return &context->uc_mcontext->es.dar;
  78     case 42:
  79         /* PT_DSISR */
  80         return &context->uc_mcontext->es.dsisr;
  81     }
  82 }
  83
  84 os_context_register_t *
  85 os_context_lr_addr(os_context_t *context)
  86 {
  87     return &context->uc_mcontext->ss.lr;
  88 }
  89
  90 void
  91 os_flush_icache(os_vm_address_t address, os_vm_size_t length)
  92 {
  93     /* see ppc-arch.c */
  94     ppc_flush_icache(address,length);
  95 }