| /* Library support for -fsplit-stack. */ |
| /* Copyright (C) 2009-2023 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"))); |