ext/DynaLoader/dl_hpux.xs

   1 /*
   2  * Author: Jeff Okamoto (okamoto@corp.hp.com)
   3  * Version: 2.1, 1995/1/25
   4  */
   5
   6 #ifdef __hp9000s300
   7 #define magic hpux_magic
   8 #define MAGIC HPUX_MAGIC
   9 #endif
  10
  11 #include <dl.h>
  12 #ifdef __hp9000s300
  13 #undef magic
  14 #undef MAGIC
  15 #endif
  16
  17 #include "EXTERN.h"
  18 #include "perl.h"
  19 #include "XSUB.h"
  20
  21
  22 #include "dlutils.c"    /* for SaveError() etc */
  23
  24 static AV *dl_resolve_using = Nullav;
  25
  26
  27 static void
  28 dl_private_init()
  29 {
  30     (void)dl_generic_private_init();
  31     dl_resolve_using = perl_get_av("DynaLoader::dl_resolve_using", 0x4);
  32 }
  33
  34 MODULE = DynaLoader     PACKAGE = DynaLoader
  35
  36 BOOT:
  37     (void)dl_private_init();
  38
  39
  40 void *
  41 dl_load_file(filename)
  42     char *              filename
  43     CODE:
  44     shl_t obj = NULL;
  45     int i, max, bind_type;
  46
  47     if (dl_nonlazy)
  48         bind_type = BIND_IMMEDIATE;
  49     else
  50         bind_type = BIND_DEFERRED;
  51
  52     max = AvFILL(dl_resolve_using);
  53     for (i = 0; i <= max; i++) {
  54         char *sym = SvPVX(*av_fetch(dl_resolve_using, i, 0));
  55         DLDEBUG(1,fprintf(stderr, "dl_load_file(%s) (dependent)\n", sym));
  56         obj = shl_load(sym, bind_type | BIND_NOSTART, 0L);
  57         if (obj == NULL) {
  58             goto end;
  59         }
  60     }
  61
  62     DLDEBUG(1,fprintf(stderr,"dl_load_file(%s): ", filename));
  63     obj = shl_load(filename, bind_type | BIND_NOSTART, 0L);
  64
  65     DLDEBUG(2,fprintf(stderr," libref=%x\n", obj));
  66 end:
  67     ST(0) = sv_newmortal() ;
  68     if (obj == NULL)
  69         SaveError("%s",Strerror(errno));
  70     else
  71         sv_setiv( ST(0), (IV)obj);
  72
  73
  74 void *
  75 dl_find_symbol(libhandle, symbolname)
  76     void *      libhandle
  77     char *      symbolname
  78     CODE:
  79     shl_t obj = (shl_t) libhandle;
  80     void *symaddr = NULL;
  81     int status;
  82 #ifdef __hp9000s300
  83     char symbolname_buf[MAXPATHLEN];
  84     symbolname = dl_add_underscore(symbolname, symbolname_buf);
  85 #endif
  86     DLDEBUG(2,fprintf(stderr,"dl_find_symbol(handle=%x, symbol=%s)\n",
  87                 libhandle, symbolname));
  88     ST(0) = sv_newmortal() ;
  89     errno = 0;
  90
  91     status = shl_findsym(&obj, symbolname, TYPE_PROCEDURE, &symaddr);
  92     DLDEBUG(2,fprintf(stderr,"  symbolref(PROCEDURE) = %x\n", symaddr));
  93
  94     if (status == -1 && errno == 0) {   /* try TYPE_DATA instead */
  95         status = shl_findsym(&obj, symbolname, TYPE_DATA, &symaddr);
  96         DLDEBUG(2,fprintf(stderr,"  symbolref(DATA) = %x\n", symaddr));
  97     }
  98
  99     if (status == -1) {
 100         SaveError("%s",(errno) ? Strerror(errno) : "Symbol not found") ;
 101     } else {
 102         sv_setiv( ST(0), (IV)symaddr);
 103     }
 104
 105
 106 void
 107 dl_undef_symbols()
 108     PPCODE:
 109
 110
 111
 112 # These functions should not need changing on any platform:
 113
 114 void
 115 dl_install_xsub(perl_name, symref, filename="$Package")
 116     char *      perl_name
 117     void *      symref
 118     char *      filename
 119     CODE:
 120     DLDEBUG(2,fprintf(stderr,"dl_install_xsub(name=%s, symref=%x)\n",
 121             perl_name, symref));
 122     ST(0)=sv_2mortal(newRV((SV*)newXS(perl_name, (void(*)())symref, filename)));
 123
 124
 125 char *
 126 dl_error()
 127     CODE:
 128     RETVAL = LastError ;
 129     OUTPUT:
 130     RETVAL
 131
 132 # end.