linux-user: Create special-errno.h

Pull the two internal errno used by qemu internally into their own
header file.  This includes the one define required by safe-syscall.S.

Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 0 insertions, 17 deletions

diff --git a/linux-user/generic/target_errno_defs.h b/linux-user/generic/target_errno_defs.h
index bb37d88be9..c2f9d403e7 100644
--- a/linux-user/generic/target_errno_defs.h
+++ b/linux-user/generic/target_errno_defs.h
@@ -147,21 +147,4 @@
 #define TARGET_ERFKILL         132     /* Operation not possible due to RF-kill */
 #define TARGET_EHWPOISON       133     /* Memory page has hardware error */
 
-/* QEMU internal, not visible to the guest. This is returned when a
- * system call should be restarted, to tell the main loop that it
- * should wind the guest PC backwards so it will re-execute the syscall
- * after handling any pending signals. They match with the ones the guest
- * kernel uses for the same purpose.
- */
-#define QEMU_ERESTARTSYS     512     /* Restart system call (if SA_RESTART) */
-
-/* QEMU internal, not visible to the guest. This is returned by the
- * do_sigreturn() code after a successful sigreturn syscall, to indicate
- * that it has correctly set the guest registers and so the main loop
- * should not touch them. We use the value the guest would use for
- * ERESTART_NOINTR (which is kernel internal) to guarantee that we won't
- * clash with a valid guest errno now or in the future.
- */
-#define QEMU_ESIGRETURN 513     /* Return from signal */
-
 #endif