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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 | |
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24 | static AV *dl_resolve_using = Nullav; |
25 | |
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26 | |
27 | static void |
28 | dl_private_init() |
29 | { |
30 | (void)dl_generic_private_init(); |
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31 | dl_resolve_using = perl_get_av("DynaLoader::dl_resolve_using", 0x4); |
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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; |
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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; |
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59 | } |
60 | } |
61 | |
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62 | DLDEBUG(1,fprintf(stderr,"dl_load_file(%s): ", filename)); |
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63 | obj = shl_load(filename, bind_type | BIND_NOSTART, 0L); |
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64 | |
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65 | DLDEBUG(2,fprintf(stderr," libref=%x\n", obj)); |
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66 | end: |
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67 | ST(0) = sv_newmortal() ; |
68 | if (obj == NULL) |
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69 | SaveError("%s",Strerror(errno)); |
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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)); |
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88 | ST(0) = sv_newmortal() ; |
89 | errno = 0; |
90 | |
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91 | status = shl_findsym(&obj, symbolname, TYPE_PROCEDURE, &symaddr); |
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92 | DLDEBUG(2,fprintf(stderr," symbolref(PROCEDURE) = %x\n", symaddr)); |
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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 | |
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99 | if (status == -1) { |
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100 | SaveError("%s",(errno) ? Strerror(errno) : "Symbol not found") ; |
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101 | } else { |
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102 | sv_setiv( ST(0), (IV)symaddr); |
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103 | } |
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104 | |
105 | |
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106 | void |
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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. |