[PATCH] uml: move libc-dependent skas memory mapping code

The serial UML OS-abstraction layer patch (um/kernel/skas dir).

This moves all systemcalls from skas/mem_user.c file under os-Linux dir and
join skas/mem_user.c and skas/mem.c files.

Signed-off-by: Gennady Sharapov <gennady.v.sharapov@intel.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 17 insertions, 14 deletions

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 624938ad9e14..8006e085b675 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -11,6 +11,7 @@
 #include "../os/include/file.h"
 #include "sysdep/ptrace.h"
 #include "kern_util.h"
+#include "skas/mm_id.h"
 
 #define OS_TYPE_FILE 1 
 #define OS_TYPE_DIR 2 
@@ -255,4 +256,20 @@ extern void user_time_init(void);
 extern void uml_idle_timer(void);
 extern unsigned long long os_nsecs(void);
 
+/* skas/mem.c */
+extern long run_syscall_stub(struct mm_id * mm_idp,
+                             int syscall, unsigned long *args, long expected,
+                             void **addr, int done);
+extern long syscall_stub_data(struct mm_id * mm_idp,
+                              unsigned long *data, int data_count,
+                              void **addr, void **stub_addr);
+extern int map(struct mm_id * mm_idp, unsigned long virt,
+               unsigned long len, int r, int w, int x, int phys_fd,
+               unsigned long long offset, int done, void **data);
+extern int unmap(struct mm_id * mm_idp, void *addr, unsigned long len,
+                 int done, void **data);
+extern int protect(struct mm_id * mm_idp, unsigned long addr,
+                   unsigned long len, int r, int w, int x, int done,
+                   void **data);
+
 #endif
diff --git a/arch/um/include/skas/skas.h b/arch/um/include/skas/skas.h
index 158f322248e3..7418f2addda2 100644
--- a/arch/um/include/skas/skas.h
+++ b/arch/um/include/skas/skas.h
@@ -24,14 +24,6 @@ extern void userspace(union uml_pt_regs *regs);
 extern void new_thread_proc(void *stack, void (*handler)(int sig));
 extern void new_thread_handler(int sig);
 extern void handle_syscall(union uml_pt_regs *regs);
-extern int map(struct mm_id * mm_idp, unsigned long virt,
-               unsigned long len, int r, int w, int x, int phys_fd,
-               unsigned long long offset, int done, void **data);
-extern int unmap(struct mm_id * mm_idp, void *addr, unsigned long len,
-                 int done, void **data);
-extern int protect(struct mm_id * mm_idp, unsigned long addr,
-                   unsigned long len, int r, int w, int x, int done,
-                   void **data);
 extern void user_signal(int sig, union uml_pt_regs *regs, int pid);
 extern int new_mm(unsigned long stack);
 extern int start_userspace(unsigned long stub_stack);
@@ -39,11 +31,5 @@ extern int copy_context_skas0(unsigned long stack, int pid);
 extern void get_skas_faultinfo(int pid, struct faultinfo * fi);
 extern long execute_syscall_skas(void *r);
 extern unsigned long current_stub_stack(void);
-extern long run_syscall_stub(struct mm_id * mm_idp,
-                             int syscall, unsigned long *args, long expected,
-                             void **addr, int done);
-extern long syscall_stub_data(struct mm_id * mm_idp,
-                              unsigned long *data, int data_count,
-                              void **addr, void **stub_addr);
 
 #endif