| /* |
| * OpenBSD setup_initial_stack() implementation. |
| * |
| * Copyright (c) 2013-14 Stacey D. Son |
| * |
| * This program 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 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef _TARGET_OS_STACK_H_ |
| #define _TARGET_OS_STACK_H_ |
| |
| #include "target_arch_sigtramp.h" |
| |
| static inline int setup_initial_stack(struct bsd_binprm *bprm, abi_ulong *p, |
| abi_ulong *stringp) |
| { |
| int i; |
| abi_ulong stack_base; |
| |
| stack_base = (target_stkbas + target_stksiz) - |
| MAX_ARG_PAGES * TARGET_PAGE_SIZE; |
| if (p) { |
| *p = stack_base; |
| } |
| if (stringp) { |
| *stringp = stack_base; |
| } |
| |
| for (i = 0; i < MAX_ARG_PAGES; i++) { |
| if (bprm->page[i]) { |
| info->rss++; |
| if (!memcpy_to_target(stack_base, bprm->page[i], |
| TARGET_PAGE_SIZE)) { |
| errno = EFAULT; |
| return -1; |
| } |
| g_free(bprm->page[i]); |
| } |
| stack_base += TARGET_PAGE_SIZE; |
| } |
| |
| return 0; |
| } |
| |
| #endif /* !_TARGET_OS_STACK_H_ */ |
