UML - coredumping floating point fixes

Index: linux-2.6.22/include/asm-um/elf-i386.h
===================================================================
@@ -5,7 +5,8 @@
 #ifndef __UM_ELF_I386_H
 #define __UM_ELF_I386_H
 
-#include <asm/user.h>
+#include <linux/sched.h>
+#include "skas.h"
 
 #define R_386_NONE	0
 #define R_386_32	1

@@ -75,6 +76,15 @@ typedef struct user_i387_struct elf_fpre
 	pr_reg[16] = PT_REGS_SS(regs);		\
 } while(0);
 
+static inline int elf_core_copy_fpregs(struct task_struct *t,
+				       elf_fpregset_t *fpu)
+{
+	int cpu = ((struct thread_info *) t->stack)->cpu;
+	return save_fp_registers(userspace_pid[cpu], (unsigned long *) fpu);
+}
+
+#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
+
 extern long elf_aux_hwcap;
 #define ELF_HWCAP (elf_aux_hwcap)
 

Index: linux-2.6.22/include/asm-um/elf-x86_64.h
===================================================================
@@ -36,7 +36,7 @@ typedef unsigned long elf_greg_t;
 #define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 
-typedef struct { } elf_fpregset_t;
+typedef struct user_i387_struct elf_fpregset_t;
 
 /*
  * This is used to ensure we don't load something for the wrong architecture.

Index: linux-2.6.22/arch/um/sys-i386/ptrace.c
===================================================================
@@ -205,28 +205,6 @@ int set_fpxregs(struct user_fxsr_struct 
 	return restore_fpx_registers(userspace_pid[cpu], fpregs);
 }
 
-#ifdef notdef
-int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
-{
-	fpu->cwd = (((SC_FP_CW(PT_REGS_SC(regs)) & 0xffff) << 16) |
-		    (SC_FP_SW(PT_REGS_SC(regs)) & 0xffff));
-	fpu->swd = SC_FP_CSSEL(PT_REGS_SC(regs)) & 0xffff;
-	fpu->twd = SC_FP_IPOFF(PT_REGS_SC(regs));
-	fpu->fip = SC_FP_CSSEL(PT_REGS_SC(regs)) & 0xffff;
-	fpu->fcs = SC_FP_DATAOFF(PT_REGS_SC(regs));
-	fpu->foo = SC_FP_DATASEL(PT_REGS_SC(regs));
-	fpu->fos = 0;
-	memcpy(fpu->st_space, (void *) SC_FP_ST(PT_REGS_SC(regs)),
-	       sizeof(fpu->st_space));
-	return 1;
-}
-#endif
-
-int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu )
-{
-	return 1;
-}
-
 long subarch_ptrace(struct task_struct *child, long request, long addr,
 		    long data)
 {