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-rw-r--r--libgo/runtime/go-panic.c110
1 files changed, 0 insertions, 110 deletions
diff --git a/libgo/runtime/go-panic.c b/libgo/runtime/go-panic.c
deleted file mode 100644
index 2fb65aa5782b..000000000000
--- a/libgo/runtime/go-panic.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/* go-panic.c -- support for the go panic function.
-
- 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 <stdio.h>
-#include <stdlib.h>
-
-#include "runtime.h"
-#include "arch.h"
-#include "malloc.h"
-#include "go-alloc.h"
-#include "go-panic.h"
-
-/* Print the panic stack. This is used when there is no recover. */
-
-static void
-__printpanics (Panic *p)
-{
- if (p->next != NULL)
- {
- __printpanics (p->next);
- runtime_printf ("\t");
- }
- runtime_printf ("panic: ");
- runtime_printany (p->arg);
- if (p->recovered)
- runtime_printf (" [recovered]");
- runtime_printf ("\n");
-}
-
-/* This implements __go_panic which is used for the panic
- function. */
-
-void
-__go_panic (Eface arg)
-{
- G *g;
- Panic *n;
-
- g = runtime_g ();
-
- n = (Panic *) __go_alloc (sizeof (Panic));
- n->arg = arg;
- n->next = g->_panic;
- g->_panic = n;
-
- /* Run all the defer functions. */
-
- while (1)
- {
- Defer *d;
- void (*pfn) (void *);
-
- d = g->_defer;
- if (d == NULL)
- break;
-
- pfn = (void (*) (void *)) d->pfn;
- d->pfn = 0;
-
- if (pfn != NULL)
- {
- (*pfn) (d->arg);
-
- if (n->recovered)
- {
- /* Some defer function called recover. That means that
- we should stop running this panic. */
-
- g->_panic = n->next;
- __go_free (n);
-
- /* Now unwind the stack by throwing an exception. The
- compiler has arranged to create exception handlers in
- each function which uses a defer statement. These
- exception handlers will check whether the entry on
- the top of the defer stack is from the current
- function. If it is, we have unwound the stack far
- enough. */
- __go_unwind_stack ();
-
- /* __go_unwind_stack should not return. */
- abort ();
- }
-
- /* Because we executed that defer function by a panic, and
- it did not call recover, we know that we are not
- returning from the calling function--we are panicing
- through it. */
- *d->frame = 0;
- }
-
- g->_defer = d->next;
-
- /* This may be called by a cgo callback routine to defer the
- call to syscall.CgocallBackDone, in which case we will not
- have a memory context. Don't try to free anything in that
- case--the GC will release it later. */
- if (runtime_m () != NULL)
- runtime_freedefer (d);
- }
-
- /* The panic was not recovered. */
-
- runtime_startpanic ();
- __printpanics (g->_panic);
- runtime_dopanic (0);
-}