gcc/libgo/runtime/go-unreflect.c
Ian Lance Taylor 7a9389330e Add Go frontend, libgo library, and Go testsuite.
gcc/:
	* gcc.c (default_compilers): Add entry for ".go".
	* common.opt: Add -static-libgo as a driver option.
	* doc/install.texi (Configuration): Mention libgo as an option for
	--enable-shared.  Mention go as an option for --enable-languages.
	* doc/invoke.texi (Overall Options): Mention .go as a file name
	suffix.  Mention go as a -x option.
	* doc/frontends.texi (G++ and GCC): Mention Go as a supported
	language.
	* doc/sourcebuild.texi (Top Level): Mention libgo.
	* doc/standards.texi (Standards): Add section on Go language.
	Move references for other languages into their own section.
	* doc/contrib.texi (Contributors): Mention that I contributed the
	Go frontend.
gcc/testsuite/:
	* lib/go.exp: New file.
	* lib/go-dg.exp: New file.
	* lib/go-torture.exp: New file.
	* lib/target-supports.exp (check_compile): Match // Go.

From-SVN: r167407
2010-12-03 04:34:57 +00:00

31 lines
874 B
C

/* go-unreflect.c -- implement unsafe.Unreflect for Go.
Copyright 2009 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file. */
#include "go-alloc.h"
#include "go-type.h"
#include "interface.h"
/* Implement unsafe.Unreflect. */
struct __go_empty_interface Unreflect (struct __go_empty_interface type,
void *object)
asm ("libgo_unsafe.unsafe.Unreflect");
struct __go_empty_interface
Unreflect (struct __go_empty_interface type, void *object)
{
struct __go_empty_interface ret;
/* FIXME: We should check __type_descriptor to verify that this is
really a type descriptor. */
ret.__type_descriptor = type.__object;
if (__go_is_pointer_type (ret.__type_descriptor))
ret.__object = *(void **) object;
else
ret.__object = object;
return ret;
}