summaryrefslogtreecommitdiff
path: root/libgcc/generic-morestack.h
diff options
context:
space:
mode:
Diffstat (limited to 'libgcc/generic-morestack.h')
-rw-r--r--libgcc/generic-morestack.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/libgcc/generic-morestack.h b/libgcc/generic-morestack.h
new file mode 100644
index 00000000000..12da0acfee4
--- /dev/null
+++ b/libgcc/generic-morestack.h
@@ -0,0 +1,53 @@
+/* Library support for -fsplit-stack. */
+/* Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+ Contributed by Ian Lance Taylor <iant@google.com>.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+/* This is a libgcc internal header file for functions shared between
+ generic-morestack.c and generic-morestack-thread.c. The latter
+ file is only used when linking with the pthread library. */
+
+/* The stack segment structure, defined in generic-morestack.c. */
+
+struct stack_segment;
+
+/* The list of stack segments for this thread. */
+
+extern __thread struct stack_segment *__morestack_segments;
+
+/* Print the string MSG/LEN, the errno number ERR, and a newline on
+ stderr, without using printf. Then crash. */
+
+extern void __morestack_fail (const char *msg, size_t len, int err)
+ __attribute__ ((noreturn, visibility ("hidden")));
+
+/* Release stack segments. */
+
+extern struct dynamic_allocation_blocks *
+ __morestack_release_segments (struct stack_segment **, int)
+ __attribute__ ((visibility ("hidden")));
+
+/* Store the stack information in a processor dependent manner. */
+
+extern void __stack_split_initialize (void)
+ __attribute__ ((visibility ("hidden")));