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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 17:48:37 (GMT)
committerH. Peter Anvin <hpa@zytor.com>2008-10-23 05:55:19 (GMT)
commit8569c9140bd41089f9b6be8837ca421102714a90 (patch)
treecd289b322b215fe2ca2530aa320febfd99388d7f /arch/um/include/shared/sysdep-x86_64/faultinfo.h
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
downloadlinux-fsl-qoriq-8569c9140bd41089f9b6be8837ca421102714a90.tar.xz
x86, um: take arch/um/include/* out of the way
We can't just plop asm/* into it - userland helpers are built with it in search path and seeing asm/* show up there suddenly would be a bad idea. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/um/include/shared/sysdep-x86_64/faultinfo.h')
-rw-r--r--arch/um/include/shared/sysdep-x86_64/faultinfo.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/um/include/shared/sysdep-x86_64/faultinfo.h b/arch/um/include/shared/sysdep-x86_64/faultinfo.h
new file mode 100644
index 0000000..cb917b0
--- /dev/null
+++ b/arch/um/include/shared/sysdep-x86_64/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