From bda37095ca990568069aaf07dc6b3fa8ceebc327 Mon Sep 17 00:00:00 2001
From: ttate <ttate@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 4 Feb 2005 13:35:37 +0000
Subject: added new files.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7883 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/dl/dl.c | 138 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 ext/dl/dl.c

(limited to 'ext/dl/dl.c')

diff --git a/ext/dl/dl.c b/ext/dl/dl.c
new file mode 100644
index 0000000000..3d1d90a642
--- /dev/null
+++ b/ext/dl/dl.c
@@ -0,0 +1,138 @@
+#include <ruby.h>
+#include <rubyio.h>
+#include <ctype.h>
+#include "dl.h"
+
+VALUE rb_mDL;
+VALUE rb_eDLError;
+VALUE rb_eDLTypeError;
+
+ID rbdl_id_cdecl;
+ID rbdl_id_stdcall;
+
+VALUE
+rb_dl_dlopen(int argc, VALUE argv[], VALUE self)
+{
+    rb_secure(2);
+    return rb_class_new_instance(argc, argv, rb_cDLHandle);
+}
+
+VALUE
+rb_dl_malloc(VALUE self, VALUE size)
+{
+    void *ptr;
+
+    ptr = (void*)ruby_xmalloc(NUM2INT(size));
+    return PTR2NUM(ptr);
+}
+
+VALUE
+rb_dl_realloc(VALUE self, VALUE addr, VALUE size)
+{
+    void *ptr = NUM2PTR(addr);
+
+    ptr = (void*)ruby_xrealloc(ptr, NUM2INT(size));
+    return PTR2NUM(ptr);
+}
+
+VALUE
+rb_dl_free(VALUE self, VALUE addr)
+{
+    void *ptr = NUM2PTR(addr);
+    ruby_xfree(ptr);
+    return Qnil;
+}
+
+VALUE
+rb_dl_ptr2value(VALUE self, VALUE addr)
+{
+    return (VALUE)NUM2PTR(addr);
+}
+
+VALUE
+rb_dl_value2ptr(VALUE self, VALUE val)
+{
+    return PTR2NUM((void*)val);
+}
+
+#if defined(__GNUC__)
+# define PRE_DECL_CDECL     __attribute__((cdecl))
+# define PRE_DECL_STDCALL   __attribute__((stdcall))
+# define POST_DECL_CDECL
+# define POST_DECL_STDCALL
+#else
+# error "unsupported compiler"
+#endif
+
+#include "callback.h"
+
+void
+Init_dl()
+{
+    rbdl_id_cdecl = rb_intern("cdecl");
+    rbdl_id_stdcall = rb_intern("stdcall");
+
+    void Init_dlhandle();
+    void Init_dlcfunc();
+    void Init_dlptr();
+
+    rb_mDL = rb_define_module("DL");
+    rb_eDLError = rb_define_class_under(rb_mDL, "DLError", rb_eStandardError);
+    rb_eDLTypeError = rb_define_class_under(rb_mDL, "DLTypeError", rb_eDLError);
+
+    rb_define_const(rb_mDL, "MAX_CALLBACK", INT2NUM(MAX_CALLBACK));
+    rb_define_const(rb_mDL, "DLSTACK_SIZE", INT2NUM(DLSTACK_SIZE));
+
+    rb_dl_init_callbacks();
+
+    rb_define_const(rb_mDL, "RTLD_GLOBAL", INT2NUM(RTLD_GLOBAL));
+    rb_define_const(rb_mDL, "RTLD_LAZY",   INT2NUM(RTLD_LAZY));
+    rb_define_const(rb_mDL, "RTLD_NOW",    INT2NUM(RTLD_NOW));
+
+    rb_define_const(rb_mDL, "TYPE_VOID",  INT2NUM(DLTYPE_VOID));
+    rb_define_const(rb_mDL, "TYPE_VOIDP",  INT2NUM(DLTYPE_VOIDP));
+    rb_define_const(rb_mDL, "TYPE_CHAR",  INT2NUM(DLTYPE_CHAR));
+    rb_define_const(rb_mDL, "TYPE_SHORT",  INT2NUM(DLTYPE_SHORT));
+    rb_define_const(rb_mDL, "TYPE_INT",  INT2NUM(DLTYPE_INT));
+    rb_define_const(rb_mDL, "TYPE_LONG",  INT2NUM(DLTYPE_LONG));
+#if HAVE_LONG_LONG
+    rb_define_const(rb_mDL, "TYPE_LONG_LONG",  INT2NUM(DLTYPE_LONG_LONG));
+#endif
+    rb_define_const(rb_mDL, "TYPE_FLOAT",  INT2NUM(DLTYPE_FLOAT));
+    rb_define_const(rb_mDL, "TYPE_DOUBLE",  INT2NUM(DLTYPE_DOUBLE));
+
+    rb_define_const(rb_mDL, "ALIGN_VOIDP", INT2NUM(ALIGN_VOIDP));
+    rb_define_const(rb_mDL, "ALIGN_CHAR",  INT2NUM(ALIGN_CHAR));
+    rb_define_const(rb_mDL, "ALIGN_SHORT", INT2NUM(ALIGN_SHORT));
+    rb_define_const(rb_mDL, "ALIGN_INT",   INT2NUM(ALIGN_INT));
+    rb_define_const(rb_mDL, "ALIGN_LONG",  INT2NUM(ALIGN_LONG));
+#if HAVE_LONG_LONG
+    rb_define_const(rb_mDL, "ALIGN_LONG_LONG",  INT2NUM(ALIGN_LONG_LONG));
+#endif
+    rb_define_const(rb_mDL, "ALIGN_FLOAT", INT2NUM(ALIGN_FLOAT));
+    rb_define_const(rb_mDL, "ALIGN_DOUBLE",INT2NUM(ALIGN_DOUBLE));
+
+    rb_define_const(rb_mDL, "SIZEOF_VOIDP", INT2NUM(sizeof(void*)));
+    rb_define_const(rb_mDL, "SIZEOF_CHAR",  INT2NUM(sizeof(char)));
+    rb_define_const(rb_mDL, "SIZEOF_SHORT", INT2NUM(sizeof(short)));
+    rb_define_const(rb_mDL, "SIZEOF_INT",   INT2NUM(sizeof(int)));
+    rb_define_const(rb_mDL, "SIZEOF_LONG",  INT2NUM(sizeof(long)));
+#if HAVE_LONG_LONG
+    rb_define_const(rb_mDL, "SIZEOF_LONG_LONG",  INT2NUM(sizeof(LONG_LONG)));
+#endif
+    rb_define_const(rb_mDL, "SIZEOF_FLOAT", INT2NUM(sizeof(float)));
+    rb_define_const(rb_mDL, "SIZEOF_DOUBLE",INT2NUM(sizeof(double)));
+
+    rb_define_module_function(rb_mDL, "dlwrap", rb_dl_value2ptr, 1);
+    rb_define_module_function(rb_mDL, "dlunwrap", rb_dl_ptr2value, 1);
+
+    rb_define_module_function(rb_mDL, "dlopen", rb_dl_dlopen, -1);
+    rb_define_module_function(rb_mDL, "malloc", rb_dl_malloc, 1);
+    rb_define_module_function(rb_mDL, "realloc", rb_dl_realloc, 2);
+    rb_define_module_function(rb_mDL, "free", rb_dl_free, 1);
+    rb_define_const(rb_mDL, "RUBY_FREE", PTR2NUM(ruby_xfree));
+
+    Init_dlhandle();
+    Init_dlcfunc();
+    Init_dlptr();
+}
-- 
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