src/runtime/hppa-hpux-os.c

   1 /*
   2  * This is the HPPA HPUX incarnation of arch-dependent OS-dependent
   3  * routines. See also "hppa-os.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 <stdio.h>
  18 #include <sys/param.h>
  19 #include <sys/file.h>
  20 #include "sbcl.h"
  21 #include "./signal.h"
  22 #include "os.h"
  23 #include "arch.h"
  24 #include "globals.h"
  25 #include "interrupt.h"
  26 #include "interr.h"
  27 #include "lispregs.h"
  28 #include <sys/socket.h>
  29 #include <sys/utsname.h>
  30
  31 #include <sys/types.h>
  32 #include <signal.h>
  33 #include <sys/time.h>
  34 #include <sys/stat.h>
  35 #include <unistd.h>
  36
  37 #include "validate.h"
  38 size_t os_vm_page_size;
  39
  40 #ifdef LISP_FEATURE_SB_THREAD
  41 #error "Define threading support functions"
  42 #else
  43 int arch_os_thread_init(struct thread *thread) {
  44     return 1;                  /* success */
  45 }
  46 int arch_os_thread_cleanup(struct thread *thread) {
  47     return 1;                  /* success */
  48 }
  49 #endif
  50
  51 /* for hpux read /usr/include/machine/save_state.h
  52  * os_context_register_addr() may not be used
  53  * to modify registers without setting a state-flag too */
  54 os_context_register_t *
  55 os_context_register_addr(os_context_t *context, int offset)
  56 {
  57   return (os_context_register_t *)
  58          ((unsigned int)(&((ucontext_t *) context)->uc_mcontext.ss_wide.ss_64)) + (offset * 2) + 1;
  59 }
  60
  61 os_context_register_t *
  62 os_context_pc_addr(os_context_t *context)
  63 {
  64     /* Why do I get all the silly ports? -- CSR, 2002-08-11 */
  65     return ((unsigned int) &((ucontext_t *) context)->uc_mcontext.ss_wide.ss_64.ss_pcoq_head + 4);
  66 }
  67
  68 os_context_register_t *
  69 os_context_npc_addr(os_context_t *context)
  70 {
  71     return ((unsigned int) &((ucontext_t *) context)->uc_mcontext.ss_wide.ss_64.ss_pcoq_tail + 4);
  72 }
  73
  74 sigset_t *
  75 os_context_sigmask_addr(os_context_t *context)
  76 {
  77     return &(((ucontext_t *)context)->uc_subcontext.__uc_sigmask);
  78 }
  79
  80 void
  81 os_restore_fp_control(os_context_t *context)
  82 {
  83     /* FIXME: Probably do something. */
  84 }
  85
  86 void
  87 os_flush_icache(os_vm_address_t address, os_vm_size_t length)
  88 {
  89     /* FIXME: Maybe this is OK. */
  90     sanctify_for_execution(address,length);
  91 }