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#include <ruby/ruby.h>
#include <ruby/io.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)
{
return rb_class_new_instance(argc, argv, rb_cDLHandle);
}
/*
* call-seq: DL.malloc
*
* Allocate +size+ bytes of memory and return the integer memory address
* for the allocated memory.
*/
VALUE
rb_dl_malloc(VALUE self, VALUE size)
{
void *ptr;
rb_secure(4);
ptr = (void*)ruby_xmalloc(NUM2INT(size));
return PTR2NUM(ptr);
}
/*
* call-seq: DL.realloc(addr, size)
*
* Change the size of the memory allocated at the memory location +addr+ to
* +size+ bytes. Returns the memory address of the reallocated memory, which
* may be different than the address passed in.
*/
VALUE
rb_dl_realloc(VALUE self, VALUE addr, VALUE size)
{
void *ptr = NUM2PTR(addr);
rb_secure(4);
ptr = (void*)ruby_xrealloc(ptr, NUM2INT(size));
return PTR2NUM(ptr);
}
/*
* call-seq: DL.free(addr)
*
* Free the memory at address +addr+
*/
VALUE
rb_dl_free(VALUE self, VALUE addr)
{
void *ptr = NUM2PTR(addr);
rb_secure(4);
ruby_xfree(ptr);
return Qnil;
}
VALUE
rb_dl_ptr2value(VALUE self, VALUE addr)
{
rb_secure(4);
return (VALUE)NUM2PTR(addr);
}
VALUE
rb_dl_value2ptr(VALUE self, VALUE val)
{
return PTR2NUM((void*)val);
}
static void
rb_dl_init_callbacks(VALUE dl)
{
static const char cb[] = "dl/callback.so";
rb_autoload(dl, rb_intern_const("CdeclCallbackAddrs"), cb);
rb_autoload(dl, rb_intern_const("CdeclCallbackProcs"), cb);
#ifdef FUNC_STDCALL
rb_autoload(dl, rb_intern_const("StdcallCallbackAddrs"), cb);
rb_autoload(dl, rb_intern_const("StdcallCallbackProcs"), cb);
#endif
}
void
Init_dl(void)
{
void Init_dlhandle(void);
void Init_dlcfunc(void);
void Init_dlptr(void);
rbdl_id_cdecl = rb_intern_const("cdecl");
rbdl_id_stdcall = rb_intern_const("stdcall");
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_mDL);
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));
rb_define_const(rb_mDL, "BUILD_RUBY_PLATFORM", rb_str_new2(RUBY_PLATFORM));
rb_define_const(rb_mDL, "BUILD_RUBY_VERSION", rb_str_new2(RUBY_VERSION));
Init_dlhandle();
Init_dlcfunc();
Init_dlptr();
}
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