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[PATCH] uml: fix missing x86_64 register definitions

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The UML/x86_64 headers were missing ptrace support for some segment registers.
 The underlying problem was that the x86_64 kernel uses user_regs_struct
rather than the ptrace register definitions in ptrace.  This patch switches
UML/x86_64 to using user_regs_struct for its definitions of the host's
registers.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike
2006-09-27 01:50:35 -07:00
committed by Linus Torvalds
parent 0715501bf1
commit a8b4fc4d7c
3 changed files with 44 additions and 4 deletions
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include/asm-um/ptrace-x86_64.h
+3
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@@ -16,12 +16,15 @@
#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64
/* Also defined in sysdep/ptrace.h, so may already be defined. */
#ifndef FS_BASE
#define FS_BASE (21 * sizeof(unsigned long))
#define GS_BASE (22 * sizeof(unsigned long))
#define DS (23 * sizeof(unsigned long))
#define ES (24 * sizeof(unsigned long))
#define FS (25 * sizeof(unsigned long))
#define GS (26 * sizeof(unsigned long))
#endif
#define PT_REGS_RBX(r) UPT_RBX(&(r)->regs)
#define PT_REGS_RCX(r) UPT_RCX(&(r)->regs)