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 "genesis/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 "arch.h"
  25 #include "interr.h"                     /* for declaration of lose */
  26
  27 int arch_os_thread_init(struct thread *thread) {
  28     return 1;                   /* success */
  29 }
  30
  31 #ifdef LISP_FEATURE_SB_THREAD
  32 /* fix for "ld: absolute address to symbol _pthread_getspecific in a different linkage unit not supported" */
  33 void *arch_os_thread_getspecific(pthread_key_t key) {
  34     return pthread_getspecific(key);
  35 }
  36 #endif
  37
  38 int arch_os_thread_cleanup(struct thread *thread) {
  39     return 1;                   /* success */
  40 }
  41
  42 os_context_register_t   *
  43 os_context_register_addr(os_context_t *context, int offset)
  44 {
  45     ppc_ss_struct_t *state = &context->uc_mcontext->PPC_DARWIN_REGIFY(ss);
  46     switch(offset) {
  47     case 0:
  48         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r0);
  49     case 1:
  50         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r1);
  51     case 2:
  52         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r2);
  53     case 3:
  54         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r3);
  55     case 4:
  56         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r4);
  57     case 5:
  58         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r5);
  59     case 6:
  60         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r6);
  61     case 7:
  62         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r7);
  63     case 8:
  64         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r8);
  65     case 9:
  66         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r9);
  67     case 10:
  68         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r10);
  69     case 11:
  70         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r11);
  71     case 12:
  72         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r12);
  73     case 13:
  74         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r13);
  75     case 14:
  76         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r14);
  77     case 15:
  78         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r15);
  79     case 16:
  80         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r16);
  81     case 17:
  82         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r17);
  83     case 18:
  84         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r18);
  85     case 19:
  86         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r19);
  87     case 20:
  88         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r20);
  89     case 21:
  90         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r21);
  91     case 22:
  92         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r22);
  93     case 23:
  94         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r23);
  95     case 24:
  96         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r24);
  97     case 25:
  98         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r25);
  99     case 26:
 100         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r26);
 101     case 27:
 102         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r27);
 103     case 28:
 104         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r28);
 105     case 29:
 106         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r29);
 107     case 30:
 108         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r30);
 109     case 31:
 110         return (os_context_register_t *) &state->PPC_DARWIN_REGIFY(r31);
 111     case 41:
 112         /* PT_DAR */
 113         return (os_context_register_t *) &context->uc_mcontext->PPC_DARWIN_REGIFY(es).PPC_DARWIN_REGIFY(dar);
 114     case 42:
 115         /* PT_DSISR */
 116         return (os_context_register_t *) &context->uc_mcontext->PPC_DARWIN_REGIFY(es).PPC_DARWIN_REGIFY(dsisr);
 117     default:
 118         lose("bad offset to os_context_register_addr");
 119     }
 120 }
 121
 122 os_context_register_t *
 123 os_context_lr_addr(os_context_t *context)
 124 {
 125     return (os_context_register_t *) &context->uc_mcontext->PPC_DARWIN_REGIFY(ss).PPC_DARWIN_REGIFY(lr);
 126 }
 127
 128 os_context_register_t *
 129 os_context_ctr_addr(os_context_t *context)
 130 {
 131     return (os_context_register_t *) &context->uc_mcontext->PPC_DARWIN_REGIFY(ss).PPC_DARWIN_REGIFY(ctr);
 132 }
 133
 134 os_context_register_t *
 135 os_context_cr_addr(os_context_t *context)
 136 {
 137     return (os_context_register_t *) &context->uc_mcontext->PPC_DARWIN_REGIFY(ss).PPC_DARWIN_REGIFY(cr);
 138 }
 139
 140 void
 141 os_flush_icache(os_vm_address_t address, os_vm_size_t length)
 142 {
 143     /* see ppc-arch.c */
 144     ppc_flush_icache(address,length);
 145 }
 146