x86, um: trim the junk from uml ptrace-*.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

arch/um/include/asm/ptrace-i386.h

@@ -10,8 +10,6 @@
 
 #include "linux/compiler.h"
 #include "asm/ptrace-generic.h"
-#include <asm/user.h>
-#include "sysdep/ptrace.h"
 
 #define PT_REGS_EAX(r) UPT_EAX(&(r)->regs)
 #define PT_REGS_EBX(r) UPT_EBX(&(r)->regs)
@@ -34,8 +32,6 @@
 #define PT_REGS_SYSCALL_RET(r) PT_REGS_EAX(r)
 #define PT_FIX_EXEC_STACK(sp) do ; while(0)
 
-/* Cope with a conditional i386 definition. */
-#undef profile_pc
 #define profile_pc(regs) PT_REGS_IP(regs)
 
 #define user_mode(r) UPT_IS_USER(&(r)->regs)

arch/um/include/asm/ptrace-x86_64.h

@@ -9,23 +9,12 @@
 
 #include "linux/compiler.h"
 #include "asm/errno.h"
-#include <sysdep/host_ldt.h>
 
 #define __FRAME_OFFSETS /* Needed to get the R* macros */
 #include "asm/ptrace-generic.h"
 
 #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)
 #define PT_REGS_RDX(r) UPT_RDX(&(r)->regs)
@@ -64,6 +53,8 @@
 
 #define profile_pc(regs) PT_REGS_IP(regs)
 
+struct user_desc;
+
 static inline int ptrace_get_thread_area(struct task_struct *child, int idx,
                                          struct user_desc __user *user_desc)
 {