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|---|
| a0d0e21e |
1 | /* |
| 2 | * Author: Jeff Okamoto (okamoto@corp.hp.com) |
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3 | * Version: 2.1, 1995/1/25 |
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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; |
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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 | |
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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); |
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65 | |
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66 | DLDEBUG(2,fprintf(stderr," libref=%x\n", obj)); |
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67 | end: |
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68 | ST(0) = sv_newmortal() ; |
| 69 | if (obj == NULL) |
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70 | SaveError("%s",Strerror(errno)); |
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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); |
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90 | DLDEBUG(2,fprintf(stderr," symbolref(PROCEDURE) = %x\n", symaddr)); |
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91 | ST(0) = sv_newmortal() ; |
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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 { |
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105 | sv_setiv( ST(0), (IV)symaddr); |
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106 | } |
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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. |
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