MacOS support, part 1 (from Matthias Neeracher

<neeri@iis.ee.ethz.ch>)

p4raw-id: //depot/perl@6143

1 files changed, 137 insertions, 0 deletions

diff --git a/ext/DynaLoader/dl_mac.xs b/ext/DynaLoader/dl_mac.xs
new file mode 100644
index 0000000000..136e6d58c3
--- /dev/null
+++ b/ext/DynaLoader/dl_mac.xs
@@ -0,0 +1,137 @@
+/* dl_mac.xs
+ * 
+ * Platform:	Macintosh CFM
+ * Author:	Matthias Neeracher <neeri@iis.ee.ethz.ch>
+ *		Adapted from dl_dlopen.xs reference implementation by
+ *              Paul Marquess (pmarquess@bfsec.bt.co.uk)
+ * $Log: dl_mac.xs,v $
+ * Revision 1.3  1998/04/07 01:47:24  neeri
+ * MacPerl 5.2.0r4b1
+ *
+ * Revision 1.2  1997/08/08 16:39:18  neeri
+ * MacPerl 5.1.4b1 + time() fix
+ *
+ * Revision 1.1  1997/04/07 20:48:23  neeri
+ * Synchronized with MacPerl 5.1.4a1
+ *
+ */
+
+#define MAC_CONTEXT
+#include "EXTERN.h"
+#include "perl.h"
+#include "XSUB.h"
+
+#include <CodeFragments.h>
+
+
+#include "dlutils.c"	/* SaveError() etc	*/
+
+typedef CFragConnectionID ConnectionID;
+
+static ConnectionID **	connections;
+
+static void terminate(void)
+{
+    int size = GetHandleSize((Handle) connections) / sizeof(ConnectionID);
+    HLock((Handle) connections);
+    while (size)
+    	CloseConnection(*connections + --size);
+    DisposeHandle((Handle) connections);
+    connections = nil;
+}
+
+static void
+dl_private_init(pTHX)
+{
+    (void)dl_generic_private_init(aTHX);
+}
+
+MODULE = DynaLoader	PACKAGE = DynaLoader
+
+BOOT:
+    (void)dl_private_init(aTHX);
+
+
+ConnectionID
+dl_load_file(filename, flags=0)
+    char *		filename
+    int			flags
+    PREINIT:
+    OSErr		err;
+    FSSpec		spec;
+    ConnectionID	connID;
+    Ptr			mainAddr;
+    Str255		errName;
+    CODE:
+    DLDEBUG(1,fprintf(stderr,"dl_load_file(%s):\n", filename));
+    err = GUSIPath2FSp(filename, &spec);
+    if (!err)
+    	err = 
+	    GetDiskFragment(
+	    	&spec, 0, 0, spec.name, kLoadCFrag, &connID, &mainAddr, errName);
+    if (!err) {
+    	if (!connections) {
+	    connections = (ConnectionID **)NewHandle(0);
+	    atexit(terminate);
+    	}
+        PtrAndHand((Ptr) &connID, (Handle) connections, sizeof(ConnectionID));
+    	RETVAL = connID;
+    } else
+    	RETVAL = (ConnectionID) 0;
+    DLDEBUG(2,fprintf(stderr," libref=%d\n", RETVAL));
+    ST(0) = sv_newmortal() ;
+    if (err)
+    	SaveError(aTHX_ "DynaLoader error [%d, %#s]", err, errName) ;
+    else
+    	sv_setiv( ST(0), (IV)RETVAL);
+
+void *
+dl_find_symbol(connID, symbol)
+    ConnectionID	connID
+    Str255		symbol
+    CODE:
+    {
+    	OSErr		    err;
+    	Ptr		    symAddr;
+    	CFragSymbolClass    symClass;
+    	DLDEBUG(2,fprintf(stderr,"dl_find_symbol(handle=%x, symbol=%#s)\n",
+	    connID, symbol));
+   	err = FindSymbol(connID, symbol, &symAddr, &symClass);
+    	if (err)
+    	    symAddr = (Ptr) 0;
+    	RETVAL = (void *) symAddr;
+    	DLDEBUG(2,fprintf(stderr,"  symbolref = %x\n", RETVAL));
+    	ST(0) = sv_newmortal() ;
+    	if (err)
+	    SaveError(aTHX_ "DynaLoader error [%d]!", err) ;
+    	else
+	    sv_setiv( ST(0), (IV)RETVAL);
+    }
+
+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,fprintf(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.