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
  25 static void
  26 dl_private_init()
  27 {
  28     (void)dl_generic_private_init();
  29 }
  30
  31 MODULE = DynaLoader     PACKAGE = DynaLoader
  32
  33 BOOT:
  34     (void)dl_private_init();
  35
  36
  37 void *
  38 dl_load_file(filename)
  39     char *              filename
  40     CODE:
  41     shl_t obj = NULL;
  42     int i, max;
  43     GV  *gv;
  44     AV  *av;
  45
  46     gv = gv_fetchpv("DynaLoader::dl_resolve_using", FALSE, SVt_PVAV);
  47     if (gv) {
  48         av  = GvAV(gv);
  49         max = AvFILL(av);
  50         for (i = 0; i <= max; i++) {
  51             char *sym = SvPVX(*av_fetch(av, i, 0));
  52             DLDEBUG(1,fprintf(stderr, "dl_load_file(%s) (dependent)\n", sym));
  53             obj = shl_load(sym,
  54                 BIND_IMMEDIATE | BIND_NONFATAL | BIND_NOSTART | BIND_VERBOSE,
  55                 0L);
  56             if (obj == NULL) {
  57                 goto end;
  58             }
  59         }
  60     }
  61
  62     DLDEBUG(1,fprintf(stderr,"dl_load_file(%s): ", filename));
  63     obj = shl_load(filename,
  64         BIND_IMMEDIATE | BIND_NONFATAL | BIND_NOSTART | BIND_VERBOSE, 0L);
  65
  66     DLDEBUG(2,fprintf(stderr," libref=%x\n", obj));
  67 end:
  68     ST(0) = sv_newmortal() ;
  69     if (obj == NULL)
  70         SaveError("%s",Strerror(errno));
  71     else
  72         sv_setiv( ST(0), (IV)obj);
  73
  74
  75 void *
  76 dl_find_symbol(libhandle, symbolname)
  77     void *      libhandle
  78     char *      symbolname
  79     CODE:
  80     shl_t obj = (shl_t) libhandle;
  81     void *symaddr = NULL;
  82     int status;
  83 #ifdef __hp9000s300
  84     char symbolname_buf[MAXPATHLEN];
  85     symbolname = dl_add_underscore(symbolname, symbolname_buf);
  86 #endif
  87     DLDEBUG(2,fprintf(stderr,"dl_find_symbol(handle=%x, symbol=%s)\n",
  88                 libhandle, symbolname));
  89     status = shl_findsym(&obj, symbolname, TYPE_PROCEDURE, &symaddr);
  90     DLDEBUG(2,fprintf(stderr,"  symbolref(PROCEDURE) = %x\n", symaddr));
  91     ST(0) = sv_newmortal() ;
  92     if (status == -1) {
  93         if (errno == 0) {
  94             status = shl_findsym(&obj, symbolname, TYPE_DATA, &symaddr);
  95             DLDEBUG(2,fprintf(stderr,"  symbolref(DATA) = %x\n", symaddr));
  96             if (status == -1) {
  97                 SaveError("%s",(errno) ? Strerror(errno) : "Symbol not found") ;
  98             } else {
  99                 sv_setiv( ST(0), (IV)symaddr);
 100             }
 101         } else {
 102             SaveError("%s", Strerror(errno));
 103         }
 104     } else {
 105         sv_setiv( ST(0), (IV)symaddr);
 106     }
 107
 108
 109 int
 110 dl_undef_symbols()
 111     PPCODE:
 112
 113
 114
 115 # These functions should not need changing on any platform:
 116
 117 void
 118 dl_install_xsub(perl_name, symref, filename="$Package")
 119     char *      perl_name
 120     void *      symref
 121     char *      filename
 122     CODE:
 123     DLDEBUG(2,fprintf(stderr,"dl_install_xsub(name=%s, symref=%x)\n",
 124             perl_name, symref));
 125     ST(0)=sv_2mortal(newRV((SV*)newXS(perl_name, (void(*)())symref, filename)));
 126
 127
 128 char *
 129 dl_error()
 130     CODE:
 131     RETVAL = LastError ;
 132     OUTPUT:
 133     RETVAL
 134
 135 # end.