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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 | ||
1d84e8df | 33 | static void |
cea2e8a9 | 34 | dl_private_init(pTHX) |
1d84e8df | 35 | { |
cea2e8a9 | 36 | (void)dl_generic_private_init(aTHX); |
1d84e8df JH |
37 | } |
38 | ||
39 | MODULE = DynaLoader PACKAGE = DynaLoader | |
40 | ||
41 | BOOT: | |
cea2e8a9 | 42 | (void)dl_private_init(aTHX); |
1d84e8df JH |
43 | |
44 | void * | |
45 | dl_load_file(filename, flags=0) | |
46 | char * filename | |
47 | int flags | |
48 | PREINIT: | |
49 | char buf[PATH_MAX + 3]; | |
50 | p_mpe_dld obj = NULL; | |
d05c1ba0 | 51 | |
1d84e8df | 52 | CODE: |
bf49b057 | 53 | DLDEBUG(1,PerlIO_printf(Perl_debug_log, "dl_load_file(%s,%x):\n", filename, |
1d84e8df JH |
54 | flags)); |
55 | if (flags & 0x01) | |
cea2e8a9 | 56 | Perl_warn(aTHX_ "Can't make loaded symbols global on this platform while loading %s |
1d84e8df JH |
57 | ",filename); |
58 | obj = (p_mpe_dld) safemalloc(sizeof(t_mpe_dld)); | |
59 | memzero(obj, sizeof(t_mpe_dld)); | |
9d7f10f2 | 60 | if (filename[0] != '/') |
1d84e8df JH |
61 | { |
62 | getcwd(buf,sizeof(buf)); | |
9d7f10f2 | 63 | sprintf(obj->filename," %s/%s ",buf,filename); |
1d84e8df JH |
64 | } |
65 | else | |
9d7f10f2 | 66 | sprintf(obj->filename," %s ",filename); |
1d84e8df | 67 | |
bf49b057 | 68 | DLDEBUG(2,PerlIO_printf(Perl_debug_log," libref=%x\n", obj)); |
1d84e8df JH |
69 | |
70 | ST(0) = sv_newmortal() ; | |
71 | if (obj == NULL) | |
cea2e8a9 | 72 | SaveError(aTHX_"%s",Strerror(errno)); |
1d84e8df | 73 | else |
3175b8cd | 74 | sv_setiv( ST(0), PTR2IV(obj) ); |
1d84e8df JH |
75 | |
76 | void * | |
77 | dl_find_symbol(libhandle, symbolname) | |
78 | void * libhandle | |
79 | char * symbolname | |
80 | CODE: | |
81 | int datalen; | |
82 | p_mpe_dld obj = (p_mpe_dld) libhandle; | |
83 | char symname[PATH_MAX + 3]; | |
84 | void * symaddr = NULL; | |
85 | int status; | |
bf49b057 | 86 | DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_find_symbol(handle=%x, symbol=%s)\n", |
1d84e8df JH |
87 | libhandle, symbolname)); |
88 | ST(0) = sv_newmortal() ; | |
89 | errno = 0; | |
90 | ||
9d7f10f2 | 91 | sprintf(symname, " %s ", symbolname); |
1d84e8df JH |
92 | HPGETPROCPLABEL(8, symname, &symaddr, &status, obj->filename, 1, |
93 | 0, &datalen, 1, 0, 0); | |
94 | ||
bf49b057 | 95 | DLDEBUG(2,PerlIO_printf(Perl_debug_log," symbolref(PROCEDURE) = %x, status=%x\n", symaddr, status)); |
1d84e8df JH |
96 | |
97 | if (status != 0) { | |
cea2e8a9 | 98 | SaveError(aTHX_"%s",(errno) ? Strerror(errno) : "Symbol not found") ; |
1d84e8df | 99 | } else { |
3175b8cd | 100 | sv_setiv( ST(0), PTR2IV(symaddr) ); |
1d84e8df JH |
101 | } |
102 | ||
103 | void | |
104 | dl_undef_symbols() | |
105 | PPCODE: | |
106 | ||
107 | # These functions should not need changing on any platform: | |
108 | ||
109 | void | |
110 | dl_install_xsub(perl_name, symref, filename="$Package") | |
111 | char * perl_name | |
112 | void * symref | |
113 | char * filename | |
114 | CODE: | |
bf49b057 | 115 | DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_install_xsub(name=%s, symref=%x)\n", |
1d84e8df | 116 | perl_name, symref)); |
cea2e8a9 GS |
117 | ST(0) = sv_2mortal(newRV((SV*)newXS(perl_name, |
118 | (void(*)(pTHX_ CV *))symref, | |
119 | filename))); | |
1d84e8df JH |
120 | |
121 | char * | |
122 | dl_error() | |
123 | CODE: | |
cdc73a10 JH |
124 | dMY_CXT; |
125 | RETVAL = dl_last_error ; | |
1d84e8df JH |
126 | OUTPUT: |
127 | RETVAL | |
128 | ||
129 | # end. |