5 files changed, 13 insertions, 9 deletions
diff --git a/arch/openrisc/include/asm/cmpxchg.h b/arch/openrisc/include/asm/cmpxchg.h
index 79fd16162ccb..8ee151c072e4 100644
--- a/arch/openrisc/include/asm/cmpxchg.h
+++ b/arch/openrisc/include/asm/cmpxchg.h
@@ -147,8 +147,8 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
 extern unsigned long __xchg_called_with_bad_pointer(void)
 	__compiletime_error("Bad argument size for xchg");
 
-static inline unsigned long __xchg(volatile void *ptr, unsigned long with,
-		int size)
+static inline unsigned long
+__arch_xchg(volatile void *ptr, unsigned long with, int size)
 {
 	switch (size) {
 	case 1:
@@ -163,9 +163,9 @@ static inline unsigned long __xchg(volatile void *ptr, unsigned long with,
 
 #define arch_xchg(ptr, with) 						\
 	({								\
-		(__typeof__(*(ptr))) __xchg((ptr),			\
-					    (unsigned long)(with),	\
-					    sizeof(*(ptr)));		\
+		(__typeof__(*(ptr))) __arch_xchg((ptr),			\
+						 (unsigned long)(with),	\
+						 sizeof(*(ptr)));	\
 	})
 
 #endif /* __ASM_OPENRISC_CMPXCHG_H */
diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h
index 01f81d4e97dc..375147ff71fc 100644
--- a/arch/openrisc/include/asm/ptrace.h
+++ b/arch/openrisc/include/asm/ptrace.h
@@ -59,7 +59,7 @@ struct pt_regs {
 	 * -1 for all other exceptions.
 	 */
 	long  orig_gpr11;	/* For restarting system calls */
-	long dummy;		/* Cheap alignment fix */
+	long fpcsr;		/* Floating point control status register. */
 	long dummy2;		/* Cheap alignment fix */
 };
 
@@ -115,6 +115,6 @@ static inline long regs_return_value(struct pt_regs *regs)
 #define PT_GPR31      124
 #define PT_PC	      128
 #define PT_ORIG_GPR11 132
-#define PT_SYSCALLNO  136
+#define PT_FPCSR      136
 
 #endif /* __ASM_OPENRISC_PTRACE_H */
diff --git a/arch/openrisc/include/uapi/asm/elf.h b/arch/openrisc/include/uapi/asm/elf.h
index e892d5061685..6868f81c281e 100644
--- a/arch/openrisc/include/uapi/asm/elf.h
+++ b/arch/openrisc/include/uapi/asm/elf.h
@@ -53,8 +53,7 @@ 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];
 
-/* A placeholder; OR32 does not have fp support yes, so no fp regs for now.  */
-typedef unsigned long elf_fpregset_t;
+typedef struct __or1k_fpu_state elf_fpregset_t;
 
 /* EM_OPENRISC is defined in linux/elf-em.h */
 #define EM_OR32         0x8472
diff --git a/arch/openrisc/include/uapi/asm/ptrace.h b/arch/openrisc/include/uapi/asm/ptrace.h
index d4fab268f6aa..a77cc9915ca8 100644
--- a/arch/openrisc/include/uapi/asm/ptrace.h
+++ b/arch/openrisc/include/uapi/asm/ptrace.h
@@ -30,6 +30,10 @@ struct user_regs_struct {
 	unsigned long pc;
 	unsigned long sr;
 };
+
+struct __or1k_fpu_state {
+	unsigned long fpcsr;
+};
 #endif
 
 
diff --git a/arch/openrisc/include/uapi/asm/sigcontext.h b/arch/openrisc/include/uapi/asm/sigcontext.h
index 8ab775fc3450..ca585e4af6b8 100644
--- a/arch/openrisc/include/uapi/asm/sigcontext.h
+++ b/arch/openrisc/include/uapi/asm/sigcontext.h
@@ -28,6 +28,7 @@
 
 struct sigcontext {
 	struct user_regs_struct regs;  /* needs to be first */
+	struct __or1k_fpu_state fpu;
 	unsigned long oldmask;
 };