57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
|
|
* NetBSD 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 */
|