Merge branch 'virtex-for-2.6.25' of git://git.secretlab.ca/git/linux-2.6-virtex into...

[linux-2.6] / arch / um / include / sysdep-i386 / sigcontext.h

diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h
index dfee589de3608ab2e8ca42838020c74a2c87202f..67e77122aa45f42ba7f718d73e84907b065e4d76 100644 (file)
--- a/arch/um/include/sysdep-i386/sigcontext.h
+++ b/arch/um/include/sysdep-i386/sigcontext.h
@@ -1,49 +1,26 @@
 /* 
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
 #ifndef __SYS_SIGCONTEXT_I386_H
 #define __SYS_SIGCONTEXT_I386_H
 
-#include <sysdep/sc.h>
+#include "sysdep/sc.h"
 
 #define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
 
-#define SC_RESTART_SYSCALL(sc) IP_RESTART_SYSCALL(SC_IP(sc))
-#define SC_SET_SYSCALL_RETURN(sc, result) SC_EAX(sc) = (result)
-
-#define SC_FAULT_ADDR(sc) SC_CR2(sc)
-#define SC_FAULT_TYPE(sc) SC_ERR(sc)
-
-#define FAULT_WRITE(err) (err & 2)
-#define TO_SC_ERR(is_write) ((is_write) ? 2 : 0)
-
-#define SC_FAULT_WRITE(sc) (FAULT_WRITE(SC_ERR(sc)))
-
-#define SC_TRAP_TYPE(sc) SC_TRAPNO(sc)
-
-/* ptrace expects that, at the start of a system call, %eax contains
- * -ENOSYS, so this makes it so.
- */
-#define SC_START_SYSCALL(sc) do SC_EAX(sc) = -ENOSYS; while(0)
+#define GET_FAULTINFO_FROM_SC(fi,sc) \
+       { \
+               (fi).cr2 = SC_CR2(sc); \
+               (fi).error_code = SC_ERR(sc); \
+               (fi).trap_no = SC_TRAPNO(sc); \
+       }
 
 /* This is Page Fault */
-#define SEGV_IS_FIXABLE(trap) (trap == 14)
+#define SEGV_IS_FIXABLE(fi)    ((fi)->trap_no == 14)
 
-#define SC_SEGV_IS_FIXABLE(sc) (SEGV_IS_FIXABLE(SC_TRAPNO(sc)))
-
-extern unsigned long *sc_sigmask(void *sc_ptr);
-extern int sc_get_fpregs(unsigned long buf, void *sc_ptr);
+/* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */
+#define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo)
 
 #endif
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */