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-rw-r--r--arch/um/include/os.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 4c362458052c..2e58e304b8be 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -6,6 +6,7 @@
#ifndef __OS_H__
#define __OS_H__
+#include "uml-config.h"
#include "asm/types.h"
#include "../os/include/file.h"
@@ -157,6 +158,17 @@ extern int os_lock_file(int fd, int excl);
extern void os_early_checks(void);
extern int can_do_skas(void);
+/* Make sure they are clear when running in TT mode. Required by
+ * SEGV_MAYBE_FIXABLE */
+#ifdef UML_CONFIG_MODE_SKAS
+#define clear_can_do_skas() do { ptrace_faultinfo = proc_mm = 0; } while (0)
+#else
+#define clear_can_do_skas() do {} while (0)
+#endif
+
+/* mem.c */
+extern int create_mem_file(unsigned long len);
+
/* process.c */
extern unsigned long os_process_pc(int pid);
extern int os_process_parent(int pid);
@@ -181,6 +193,8 @@ extern unsigned long long os_usecs(void);
/* tt.c
* for tt mode only (will be deleted in future...)
*/
+extern int protect_memory(unsigned long addr, unsigned long len,
+ int r, int w, int x, int must_succeed);
extern void forward_pending_sigio(int target);
extern int start_fork_tramp(void *arg, unsigned long temp_stack,
int clone_flags, int (*tramp)(void *));