gcc/libgo/runtime/go-panic.h
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

95 lines
2.6 KiB
C

/* go-panic.h -- declare the go panic functions.
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. */
#ifndef LIBGO_GO_PANIC_H
#define LIBGO_GO_PANIC_H
#include "interface.h"
struct __go_string;
struct __go_type_descriptor;
struct __go_defer_stack;
/* The stack of panic calls. */
struct __go_panic_stack
{
/* The next entry in the stack. */
struct __go_panic_stack *__next;
/* The value associated with this panic. */
struct __go_empty_interface __arg;
/* Whether this panic has been recovered. */
_Bool __was_recovered;
/* Whether this panic was pushed on the stack because of an
exception thrown in some other language. */
_Bool __is_foreign;
};
/* The panic and defer stacks, grouped together into a single thread
local variable for convenience for systems without TLS. */
struct __go_panic_defer_struct
{
/* The list of defers to execute. */
struct __go_defer_stack *__defer;
/* The list of currently active panics. There will be more than one
if a deferred function calls panic. */
struct __go_panic_stack *__panic;
/* The current exception being thrown when unwinding after a call to
panic . This is really struct _UnwindException *. */
void *__exception;
/* Whether the current exception is from some other language. */
_Bool __is_foreign;
};
#ifdef __rtems__
#define __thread
#endif
extern __thread struct __go_panic_defer_struct *__go_panic_defer;
#ifdef __rtems__
#undef __thread
#endif
extern void __go_panic (struct __go_empty_interface)
__attribute__ ((noreturn));
extern void __go_panic_msg (const char* msg)
__attribute__ ((noreturn));
extern void __go_print_string (struct __go_string);
extern struct __go_empty_interface __go_recover (void);
extern void __go_unwind_stack (void);
/* Functions defined in libgo/go/runtime/error.go. */
extern void newTypeAssertionError(const struct __go_type_descriptor *pt1,
const struct __go_type_descriptor *pt2,
const struct __go_type_descriptor *pt3,
const struct __go_string *ps1,
const struct __go_string *ps2,
const struct __go_string *ps3,
const struct __go_string *pmeth,
struct __go_empty_interface *ret)
__asm__ ("libgo_runtime.runtime.NewTypeAssertionError");
extern void newErrorString(struct __go_string, struct __go_empty_interface *)
__asm__ ("libgo_runtime.runtime.NewErrorString");
extern void printany(struct __go_empty_interface)
__asm__ ("libgo_runtime.runtime.Printany");
#endif /* !defined(LIBGO_GO_PANIC_H) */