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1d84e8df JH |
1 | /* |
2 | * Author: Mark Klein (mklein@dis.com) | |
3 | * Version: 2.1, 1996/07/25 | |
4 | * Version: 2.2, 1997/09/25 Mark Bixby (markb@cccd.edu) | |
9d7f10f2 | 5 | * Version: 2.3, 1998/11/19 Mark Bixby (markb@cccd.edu) |
1d84e8df JH |
6 | */ |
7 | ||
8 | #include "EXTERN.h" | |
9 | #include "perl.h" | |
10 | #include "XSUB.h" | |
11 | ||
12 | #ifdef __GNUC__ | |
13 | extern void HPGETPROCPLABEL( int parms, | |
14 | char * procname, | |
15 | int * plabel, | |
16 | int * status, | |
17 | char * firstfile, | |
18 | int casesensitive, | |
19 | int symboltype, | |
20 | int * datasize, | |
21 | int position, | |
22 | int searchpath, | |
23 | int binding); | |
24 | #else | |
25 | #pragma intrinsic HPGETPROCPLABEL | |
26 | #endif | |
27 | #include "dlutils.c" /* for SaveError() etc */ | |
28 | ||
29 | typedef struct { | |
30 | char filename[PATH_MAX + 3]; | |
31 | } t_mpe_dld, *p_mpe_dld; | |
32 | ||
33 | static AV *dl_resolve_using = Nullav; | |
34 | ||
35 | static void | |
cea2e8a9 | 36 | dl_private_init(pTHX) |
1d84e8df | 37 | { |
cea2e8a9 GS |
38 | (void)dl_generic_private_init(aTHX); |
39 | dl_resolve_using = get_av("DynaLoader::dl_resolve_using", 0x4); | |
1d84e8df JH |
40 | } |
41 | ||
42 | MODULE = DynaLoader PACKAGE = DynaLoader | |
43 | ||
44 | BOOT: | |
cea2e8a9 | 45 | (void)dl_private_init(aTHX); |
1d84e8df JH |
46 | |
47 | void * | |
48 | dl_load_file(filename, flags=0) | |
49 | char * filename | |
50 | int flags | |
51 | PREINIT: | |
52 | char buf[PATH_MAX + 3]; | |
53 | p_mpe_dld obj = NULL; | |
54 | int i; | |
55 | CODE: | |
56 | DLDEBUG(1,PerlIO_printf(PerlIO_stderr(), "dl_load_file(%s,%x):\n", filename, | |
57 | flags)); | |
58 | if (flags & 0x01) | |
cea2e8a9 | 59 | Perl_warn(aTHX_ "Can't make loaded symbols global on this platform while loading %s |
1d84e8df JH |
60 | ",filename); |
61 | obj = (p_mpe_dld) safemalloc(sizeof(t_mpe_dld)); | |
62 | memzero(obj, sizeof(t_mpe_dld)); | |
9d7f10f2 | 63 | if (filename[0] != '/') |
1d84e8df JH |
64 | { |
65 | getcwd(buf,sizeof(buf)); | |
9d7f10f2 | 66 | sprintf(obj->filename," %s/%s ",buf,filename); |
1d84e8df JH |
67 | } |
68 | else | |
9d7f10f2 | 69 | sprintf(obj->filename," %s ",filename); |
1d84e8df JH |
70 | |
71 | DLDEBUG(2,PerlIO_printf(PerlIO_stderr()," libref=%x\n", obj)); | |
72 | ||
73 | ST(0) = sv_newmortal() ; | |
74 | if (obj == NULL) | |
cea2e8a9 | 75 | SaveError(aTHX_"%s",Strerror(errno)); |
1d84e8df JH |
76 | else |
77 | sv_setiv( ST(0), (IV)obj); | |
78 | ||
79 | void * | |
80 | dl_find_symbol(libhandle, symbolname) | |
81 | void * libhandle | |
82 | char * symbolname | |
83 | CODE: | |
84 | int datalen; | |
85 | p_mpe_dld obj = (p_mpe_dld) libhandle; | |
86 | char symname[PATH_MAX + 3]; | |
87 | void * symaddr = NULL; | |
88 | int status; | |
89 | DLDEBUG(2,PerlIO_printf(PerlIO_stderr(),"dl_find_symbol(handle=%x, symbol=%s)\n", | |
90 | libhandle, symbolname)); | |
91 | ST(0) = sv_newmortal() ; | |
92 | errno = 0; | |
93 | ||
9d7f10f2 | 94 | sprintf(symname, " %s ", symbolname); |
1d84e8df JH |
95 | HPGETPROCPLABEL(8, symname, &symaddr, &status, obj->filename, 1, |
96 | 0, &datalen, 1, 0, 0); | |
97 | ||
9d7f10f2 | 98 | DLDEBUG(2,PerlIO_printf(PerlIO_stderr()," symbolref(PROCEDURE) = %x, status=%x\n", symaddr, status)); |
1d84e8df JH |
99 | |
100 | if (status != 0) { | |
cea2e8a9 | 101 | SaveError(aTHX_"%s",(errno) ? Strerror(errno) : "Symbol not found") ; |
1d84e8df JH |
102 | } else { |
103 | sv_setiv( ST(0), (IV)symaddr); | |
104 | } | |
105 | ||
106 | void | |
107 | dl_undef_symbols() | |
108 | PPCODE: | |
109 | ||
110 | # These functions should not need changing on any platform: | |
111 | ||
112 | void | |
113 | dl_install_xsub(perl_name, symref, filename="$Package") | |
114 | char * perl_name | |
115 | void * symref | |
116 | char * filename | |
117 | CODE: | |
118 | DLDEBUG(2,PerlIO_printf(PerlIO_stderr(),"dl_install_xsub(name=%s, symref=%x)\n", | |
119 | perl_name, symref)); | |
cea2e8a9 GS |
120 | ST(0) = sv_2mortal(newRV((SV*)newXS(perl_name, |
121 | (void(*)(pTHX_ CV *))symref, | |
122 | filename))); | |
1d84e8df JH |
123 | |
124 | char * | |
125 | dl_error() | |
126 | CODE: | |
127 | RETVAL = LastError ; | |
128 | OUTPUT: | |
129 | RETVAL | |
130 | ||
131 | # end. |