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restorer: shstk: add restorer shadow stack stubs

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* shstk_restorer_stack_size() – restorer shadow stack size
* shstk_set_restorer_stack() – set restorer shadow stack start

Signed-off-by: Igor Svilenkov Bozic <svilenkov@gmail.com>
Co-Authored-By: Andrei Vagin <avagin@gmail.com>
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
This commit is contained in:
Igor Svilenkov Bozic 2025-09-04 21:35:37 +02:00 • committed by Andrei Vagin
parent bb9a7202a7
commit 3365c7c025
1 changed files with 15 additions and 0 deletions
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15
criu/include/restore.h
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@ -9,6 +9,7 @@ extern int arch_set_thread_regs_nosigrt(struct pid *pid);
struct task_restore_args;
struct pstree_item;
struct rst_shstk_info;
#ifndef arch_shstk_prepare
static inline int arch_shstk_prepare(struct pstree_item *item,
@ -38,4 +39,18 @@ static inline int arch_shstk_trampoline(struct pstree_item *item, CoreEntry *cor
#define arch_shstk_trampoline arch_shstk_trampoline
#endif
#ifndef shstk_restorer_stack_size
static always_inline long shstk_restorer_stack_size(void)
{
return 0;
}
#endif
#ifndef shstk_set_restorer_stack
static always_inline long shstk_set_restorer_stack(struct rst_shstk_info *info, void *ptr)
{
return 0;
}
#endif
#endif