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