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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-18 21:44:32 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-22 22:55:21 -0700
commitf5ad6a42b700d9687bb97cf461e7f2506e3006d6 (patch)
tree1bd92ee745ce1bdf459147dd9cbdb440c72cd9f8 /arch/um/sys-x86_64/sysdep/faultinfo.h
parentx86, um: trim the junk from uml ptrace-*.h (diff)
downloadlinux-dev-f5ad6a42b700d9687bb97cf461e7f2506e3006d6.tar.xz
linux-dev-f5ad6a42b700d9687bb97cf461e7f2506e3006d6.zip
x86, um: get rid of sysdep symlink
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/um/sys-x86_64/sysdep/faultinfo.h')
-rw-r--r--arch/um/sys-x86_64/sysdep/faultinfo.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/um/sys-x86_64/sysdep/faultinfo.h b/arch/um/sys-x86_64/sysdep/faultinfo.h
new file mode 100644
index 000000000000..cb917b0d5660
--- /dev/null
+++ b/arch/um/sys-x86_64/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_X86_64_H
+#define __FAULTINFO_X86_64_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 1
+
+#endif