diff options
Diffstat (limited to 'contrib/perl5/ext/DynaLoader/dl_hpux.xs')
| -rw-r--r-- | contrib/perl5/ext/DynaLoader/dl_hpux.xs | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/contrib/perl5/ext/DynaLoader/dl_hpux.xs b/contrib/perl5/ext/DynaLoader/dl_hpux.xs new file mode 100644 index 0000000..a82e0ea --- /dev/null +++ b/contrib/perl5/ext/DynaLoader/dl_hpux.xs @@ -0,0 +1,157 @@ +/* + * Author: Jeff Okamoto (okamoto@corp.hp.com) + * Version: 2.1, 1995/1/25 + */ + +/* o Added BIND_VERBOSE to dl_nonlazy condition to add names of missing + * symbols to stderr message on fatal error. + * + * o Added BIND_NONFATAL comment to default condition. + * + * Chuck Phillips (cdp@fc.hp.com) + * Version: 2.2, 1997/5/4 */ + +#ifdef __hp9000s300 +#define magic hpux_magic +#define MAGIC HPUX_MAGIC +#endif + +#include <dl.h> +#ifdef __hp9000s300 +#undef magic +#undef MAGIC +#endif + +#include "EXTERN.h" +#include "perl.h" +#include "XSUB.h" + + +#include "dlutils.c" /* for SaveError() etc */ + +static AV *dl_resolve_using = Nullav; + + +static void +dl_private_init() +{ + (void)dl_generic_private_init(); + dl_resolve_using = perl_get_av("DynaLoader::dl_resolve_using", 0x4); +} + +MODULE = DynaLoader PACKAGE = DynaLoader + +BOOT: + (void)dl_private_init(); + + +void * +dl_load_file(filename, flags=0) + char * filename + int flags + PREINIT: + shl_t obj = NULL; + int i, max, bind_type; + CODE: + DLDEBUG(1,PerlIO_printf(PerlIO_stderr(), "dl_load_file(%s,%x):\n", filename,flags)); + if (flags & 0x01) + warn("Can't make loaded symbols global on this platform while loading %s",filename); + if (dl_nonlazy) { + bind_type = BIND_IMMEDIATE|BIND_VERBOSE; + } else { + bind_type = BIND_DEFERRED; + /* For certain libraries, like DCE, deferred binding often causes run + * time problems. Adding BIND_NONFATAL to BIND_IMMEDIATE still allows + * unresolved references in situations like this. */ + /* bind_type = BIND_IMMEDIATE|BIND_NONFATAL; */ + } + /* BIND_NOSTART removed from bind_type because it causes the shared library's */ + /* initialisers not to be run. This causes problems with all of the static objects */ + /* in the library. */ +#ifdef DEBUGGING + if (dl_debug) + bind_type |= BIND_VERBOSE; +#endif /* DEBUGGING */ + + max = AvFILL(dl_resolve_using); + for (i = 0; i <= max; i++) { + char *sym = SvPVX(*av_fetch(dl_resolve_using, i, 0)); + DLDEBUG(1,PerlIO_printf(PerlIO_stderr(), "dl_load_file(%s) (dependent)\n", sym)); + obj = shl_load(sym, bind_type, 0L); + if (obj == NULL) { + goto end; + } + } + + DLDEBUG(1,PerlIO_printf(PerlIO_stderr(), "dl_load_file(%s): ", filename)); + obj = shl_load(filename, bind_type, 0L); + + DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), " libref=%x\n", obj)); +end: + ST(0) = sv_newmortal() ; + if (obj == NULL) + SaveError("%s",Strerror(errno)); + else + sv_setiv( ST(0), (IV)obj); + + +void * +dl_find_symbol(libhandle, symbolname) + void * libhandle + char * symbolname + CODE: + shl_t obj = (shl_t) libhandle; + void *symaddr = NULL; + int status; +#ifdef __hp9000s300 + symbolname = form("_%s", symbolname); +#endif + DLDEBUG(2, PerlIO_printf(PerlIO_stderr(), + "dl_find_symbol(handle=%lx, symbol=%s)\n", + (unsigned long) libhandle, symbolname)); + + ST(0) = sv_newmortal() ; + errno = 0; + + status = shl_findsym(&obj, symbolname, TYPE_PROCEDURE, &symaddr); + DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), " symbolref(PROCEDURE) = %x\n", symaddr)); + + if (status == -1 && errno == 0) { /* try TYPE_DATA instead */ + status = shl_findsym(&obj, symbolname, TYPE_DATA, &symaddr); + DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), " symbolref(DATA) = %x\n", symaddr)); + } + + if (status == -1) { + SaveError("%s",(errno) ? Strerror(errno) : "Symbol not found") ; + } else { + sv_setiv( ST(0), (IV)symaddr); + } + + +void +dl_undef_symbols() + PPCODE: + + + +# These functions should not need changing on any platform: + +void +dl_install_xsub(perl_name, symref, filename="$Package") + char * perl_name + void * symref + char * filename + CODE: + DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), "dl_install_xsub(name=%s, symref=%x)\n", + perl_name, symref)); + ST(0)=sv_2mortal(newRV((SV*)newXS(perl_name, (void(*)())symref, filename))); + + +char * +dl_error() + CODE: + RETVAL = LastError ; + OUTPUT: + RETVAL + +# end. |
