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authorIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
commit7fbb8759eff9a348efa5f352ffaa51c364837c4b (patch)
treed40cd3f47b9f667ba94d9613270132080dcb6a1a /arch/um/sys-i386/shared/sysdep/faultinfo.h
parent6003ab0bad4cc56f3c4fadf62a0d23a967b9c53b (diff)
parent13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff)
Merge commit 'v2.6.28-rc6' into core/debug
Diffstat (limited to 'arch/um/sys-i386/shared/sysdep/faultinfo.h')
-rw-r--r--arch/um/sys-i386/shared/sysdep/faultinfo.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/um/sys-i386/shared/sysdep/faultinfo.h b/arch/um/sys-i386/shared/sysdep/faultinfo.h
new file mode 100644
index 00000000000..db437cc373b
--- /dev/null
+++ b/arch/um/sys-i386/shared/sysdep/faultinfo.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2004 Fujitsu Siemens Computers GmbH
+ * Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
+ * Licensed under the GPL
+ */
+
+#ifndef __FAULTINFO_I386_H
+#define __FAULTINFO_I386_H
+
+/* this structure contains the full arch-specific faultinfo
+ * from the traps.
+ * On i386, ptrace_faultinfo unfortunately doesn't provide
+ * all the info, since trap_no is missing.
+ * All common elements are defined at the same position in
+ * both structures, thus making it easy to copy the
+ * contents without knowledge about the structure elements.
+ */
+struct faultinfo {
+ int error_code; /* in ptrace_faultinfo misleadingly called is_write */
+ unsigned long cr2; /* in ptrace_faultinfo called addr */
+ int trap_no; /* missing in ptrace_faultinfo */
+};
+
+#define FAULT_WRITE(fi) ((fi).error_code & 2)
+#define FAULT_ADDRESS(fi) ((fi).cr2)
+
+#define PTRACE_FULL_FAULTINFO 0
+
+#endif