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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 | |
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. |