Fix Sparc %fsr regset offset for BSD and Linux.

gdb/

	* sparc-tdep.h (struct sparc_fpregset): New data structure.
	(sparc32_sunos4_fpregset, sparc32_bsd_fpregset,
	sparc32_sol2_fpregset): Declare new globals.
	(sparc32_supply_fpregset, sparc32_collect_fpregset): Add new
	'fpregset' argument.
	* sparc64-tdep.h (sparc64_supply_fpregset,
	sparc64_collect_fpregset): Likewise.
	(sparc64_sol2_fpregset, sparc64_bsd_fpregset): Declare new
	globals.
	* sparc-nat.h (struct sparc_fpregset): Add forward declaration.
	(sparc_fpregset): Declare new global.
	(sparc_supply_fpregset, sparc_collect_fpregset): Add new
	'fpregset' argument.
	* sparc-linux-nat.c (supply_fpregset): Pass sparc_fpregset down
	into handler.
	(fill_fpregset): Likewise.
	(_initialize_sparc_linux_nat): Set sparc_fpregset to
	sparc32_bsd_fpregset.
	* sparc-linux-tdep.c (sparc32_linux_supply_core_fpregset): Pass
	sparc32_bsd_fpregset down into handler.
	(sparc32_linux_collect_core_fpregset): Likewise.
	* sparc-nat.c (sparc_fpregset): Define.
	(sparc_supply_fpregset): Add 'fpregset' argument.
	(sparc_collect_fpregset): Likewise.
	(sparc_fetch_inferior_registers): Pass sparc_fpregset down
	into fpregset handler.
	(sparc_store_inferior_registers): Likewise.
	(_initialize_sparc_nat): Set sparc_fpregset to
	sparc32_sunos4_fpregset if NULL.
	* sparc-sol2-nat.c (supply_gregset): Pass sparc_sol2_fpregset
	down into handler.
	(fill_fpregset): Likewise.
	* sparc-sol2-tdep.c (sparc32_sol2_fpregset): Define.
	* sparc-tdep.c (sparc32_supply_fpregset): Add fpregset arg and
	use it to compute offsets.
	(sparc32_collect_fpregset): Likewise.
	(sparc32_sunos4_fpregset, sparc32_bsd_fpregset): Define.
	* sparc64-linux-nat.c (supply_fpregset): Pass sparc64_bsd_fpregset
	down into handler.
	(fill_fpregset): Likewise.
	* sparc64-linux-tdep.c (sparc64_linux_supply_core_fpregset):
	Likewise.
	(sparc64_linux_collect_core_fpregset): Likewise.
	* sparc64-sol2-tdep.c (sparc64_sol2_fpregset): Define.
	* sparc64-tdep.c (sparc64_supply_fpregset): Add fpregset arg and
	use it to compute offsets.
	(sparc64_collect_fpregset): Likewise.
	(sparc64_bsd_fpregset): Define.
	* sparc64fbsd-tdep.c (sparc64fbsd_supply_fpregset): Padd
	sparc64_bsd_fpregset down into handler.
	(sparc64fbsd_collect_fpregset): Likewise.
	* sparc64nbsd-nat.c (sparc64nbsd_supply_fpregset): Add fpregset arg
	and pass sparc{32,64}_bsd_fpregset down into handler.
	(sparc64nbsd_collect_fpregset): Likewise.
	* sparc64nbsd-tdep.c (sparc64nbsd_supply_fpregset): Pass
	sparc64_bsd_fpregset down into handler.
	* sparc64obsd-tdep.c (sparc64obsd_supply_gregset): Likewise.
	* sparcnbsd-nat.c (_initialize_sparcnbsd_nat): Set sparc_fpregset
	to sparc32_bsd_fpregset.
	* sparcnbsd-tdep.c (sparc32nbsd_supply_gregset): Pass
	sparc32_bsd_fpregset down into sparc32_supply_fpregset.
	(sparc32nbsd_supply_fpregset): Likewise.

20 files changed, 183 insertions, 47 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f567d47..50b96e6 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,68 @@
+2012-11-23  David S. Miller  <davem@davemloft.net>
+
+	* sparc-tdep.h (struct sparc_fpregset): New data structure.
+	(sparc32_sunos4_fpregset, sparc32_bsd_fpregset,
+	sparc32_sol2_fpregset): Declare new globals.
+	(sparc32_supply_fpregset, sparc32_collect_fpregset): Add new
+	'fpregset' argument.
+	* sparc64-tdep.h (sparc64_supply_fpregset,
+	sparc64_collect_fpregset): Likewise.
+	(sparc64_sol2_fpregset, sparc64_bsd_fpregset): Declare new
+	globals.
+	* sparc-nat.h (struct sparc_fpregset): Add forward declaration.
+	(sparc_fpregset): Declare new global.
+	(sparc_supply_fpregset, sparc_collect_fpregset): Add new
+	'fpregset' argument.
+	* sparc-linux-nat.c (supply_fpregset): Pass sparc_fpregset down
+	into handler.
+	(fill_fpregset): Likewise.
+	(_initialize_sparc_linux_nat): Set sparc_fpregset to
+	sparc32_bsd_fpregset.
+	* sparc-linux-tdep.c (sparc32_linux_supply_core_fpregset): Pass
+	sparc32_bsd_fpregset down into handler.
+	(sparc32_linux_collect_core_fpregset): Likewise.
+	* sparc-nat.c (sparc_fpregset): Define.
+	(sparc_supply_fpregset): Add 'fpregset' argument.
+	(sparc_collect_fpregset): Likewise.
+	(sparc_fetch_inferior_registers): Pass sparc_fpregset down
+	into fpregset handler.
+	(sparc_store_inferior_registers): Likewise.
+	(_initialize_sparc_nat): Set sparc_fpregset to
+	sparc32_sunos4_fpregset if NULL.
+	* sparc-sol2-nat.c (supply_gregset): Pass sparc_sol2_fpregset
+	down into handler.
+	(fill_fpregset): Likewise.
+	* sparc-sol2-tdep.c (sparc32_sol2_fpregset): Define.
+	* sparc-tdep.c (sparc32_supply_fpregset): Add fpregset arg and
+	use it to compute offsets.
+	(sparc32_collect_fpregset): Likewise.
+	(sparc32_sunos4_fpregset, sparc32_bsd_fpregset): Define.
+	* sparc64-linux-nat.c (supply_fpregset): Pass sparc64_bsd_fpregset
+	down into handler.
+	(fill_fpregset): Likewise.
+	* sparc64-linux-tdep.c (sparc64_linux_supply_core_fpregset):
+	Likewise.
+	(sparc64_linux_collect_core_fpregset): Likewise.
+	* sparc64-sol2-tdep.c (sparc64_sol2_fpregset): Define.
+	* sparc64-tdep.c (sparc64_supply_fpregset): Add fpregset arg and
+	use it to compute offsets.
+	(sparc64_collect_fpregset): Likewise.
+	(sparc64_bsd_fpregset): Define.
+	* sparc64fbsd-tdep.c (sparc64fbsd_supply_fpregset): Padd
+	sparc64_bsd_fpregset down into handler.
+	(sparc64fbsd_collect_fpregset): Likewise.
+	* sparc64nbsd-nat.c (sparc64nbsd_supply_fpregset): Add fpregset arg
+	and pass sparc{32,64}_bsd_fpregset down into handler.
+	(sparc64nbsd_collect_fpregset): Likewise.
+	* sparc64nbsd-tdep.c (sparc64nbsd_supply_fpregset): Pass
+	sparc64_bsd_fpregset down into handler.
+	* sparc64obsd-tdep.c (sparc64obsd_supply_gregset): Likewise.
+	* sparcnbsd-nat.c (_initialize_sparcnbsd_nat): Set sparc_fpregset
+	to sparc32_bsd_fpregset.
+	* sparcnbsd-tdep.c (sparc32nbsd_supply_gregset): Pass
+	sparc32_bsd_fpregset down into sparc32_supply_fpregset.
+	(sparc32nbsd_supply_fpregset): Likewise.
+
 2012-11-21  Tom Tromey  <tromey@redhat.com>
 
 	* gdbtypes.h (struct cplus_struct_type) <localtype_ptr>: Remove
diff --git a/gdb/sparc-linux-nat.c b/gdb/sparc-linux-nat.c
index d56a6bd..4589b95 100644
--- a/gdb/sparc-linux-nat.c
+++ b/gdb/sparc-linux-nat.c
@@ -37,7 +37,7 @@ supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
 void
 supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
 {
-  sparc32_supply_fpregset (regcache, -1, fpregs);
+  sparc32_supply_fpregset (sparc_fpregset, regcache, -1, fpregs);
 }
 
 void
@@ -50,7 +50,7 @@ void
 fill_fpregset (const struct regcache *regcache,
 	       prfpregset_t *fpregs, int regnum)
 {
-  sparc32_collect_fpregset (regcache, regnum, fpregs);
+  sparc32_collect_fpregset (sparc_fpregset, regcache, regnum, fpregs);
 }
 
 void _initialize_sparc_linux_nat (void);
@@ -63,6 +63,8 @@ _initialize_sparc_linux_nat (void)
   /* Fill in the generic GNU/Linux methods.  */
   t = linux_target ();
 
+  sparc_fpregset = &sparc32_bsd_fpregset;
+
   /* Add our register access methods.  */
   t->to_fetch_registers = sparc_fetch_inferior_registers;
   t->to_store_registers = sparc_store_inferior_registers;
diff --git a/gdb/sparc-linux-tdep.c b/gdb/sparc-linux-tdep.c
index 63c12e3..1c369f6 100644
--- a/gdb/sparc-linux-tdep.c
+++ b/gdb/sparc-linux-tdep.c
@@ -210,7 +210,7 @@ sparc32_linux_supply_core_fpregset (const struct regset *regset,
 				    struct regcache *regcache,
 				    int regnum, const void *fpregs, size_t len)
 {
-  sparc32_supply_fpregset (regcache, regnum, fpregs);
+  sparc32_supply_fpregset (&sparc32_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 static void
@@ -218,7 +218,7 @@ sparc32_linux_collect_core_fpregset (const struct regset *regset,
 				     const struct regcache *regcache,
 				     int regnum, void *fpregs, size_t len)
 {
-  sparc32_collect_fpregset (regcache, regnum, fpregs);
+  sparc32_collect_fpregset (&sparc32_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 /* Set the program counter for process PTID to PC.  */
diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c
index cf36abd..c0007fe 100644
--- a/gdb/sparc-nat.c
+++ b/gdb/sparc-nat.c
@@ -82,12 +82,15 @@ typedef struct fp_status fpregset_t;
 
 /* Register set description.  */
 const struct sparc_gregset *sparc_gregset;
+const struct sparc_fpregset *sparc_fpregset;
 void (*sparc_supply_gregset) (const struct sparc_gregset *,
 			      struct regcache *, int , const void *);
 void (*sparc_collect_gregset) (const struct sparc_gregset *,
 			       const struct regcache *, int, void *);
-void (*sparc_supply_fpregset) (struct regcache *, int , const void *);
-void (*sparc_collect_fpregset) (const struct regcache *, int , void *);
+void (*sparc_supply_fpregset) (const struct sparc_fpregset *,
+			       struct regcache *, int , const void *);
+void (*sparc_collect_fpregset) (const struct sparc_fpregset *,
+				const struct regcache *, int , void *);
 int (*sparc_gregset_supplies_p) (struct gdbarch *, int);
 int (*sparc_fpregset_supplies_p) (struct gdbarch *, int);
 
@@ -183,7 +186,7 @@ sparc_fetch_inferior_registers (struct target_ops *ops,
       if (ptrace (PTRACE_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
 	perror_with_name (_("Couldn't get floating point status"));
 
-      sparc_supply_fpregset (regcache, -1, &fpregs);
+      sparc_supply_fpregset (sparc_fpregset, regcache, -1, &fpregs);
     }
 }
 
@@ -234,7 +237,7 @@ sparc_store_inferior_registers (struct target_ops *ops,
 	perror_with_name (_("Couldn't get floating-point registers"));
 
       memcpy (&saved_fpregs, &fpregs, sizeof (fpregs));
-      sparc_collect_fpregset (regcache, regnum, &fpregs);
+      sparc_collect_fpregset (sparc_fpregset, regcache, regnum, &fpregs);
 
       /* Writing the floating-point registers will fail on NetBSD with
 	 EINVAL if the inferior process doesn't have an FPU state
@@ -353,6 +356,8 @@ _initialize_sparc_nat (void)
   /* Deafult to using SunOS 4 register sets.  */
   if (sparc_gregset == NULL)
     sparc_gregset = &sparc32_sunos4_gregset;
+  if (sparc_fpregset == NULL)
+    sparc_fpregset = &sparc32_sunos4_fpregset;
   if (sparc_supply_gregset == NULL)
     sparc_supply_gregset = sparc32_supply_gregset;
   if (sparc_collect_gregset == NULL)
diff --git a/gdb/sparc-nat.h b/gdb/sparc-nat.h
index 41c1d72..60b4ce1 100644
--- a/gdb/sparc-nat.h
+++ b/gdb/sparc-nat.h
@@ -21,14 +21,18 @@
 #define SPARC_NAT_H 1
 
 struct sparc_gregset;
+struct sparc_fpregset;
 
 extern const struct sparc_gregset *sparc_gregset;
+extern const struct sparc_fpregset *sparc_fpregset;
 extern void (*sparc_supply_gregset) (const struct sparc_gregset *,
 				     struct regcache *, int , const void *);
 extern void (*sparc_collect_gregset) (const struct sparc_gregset *,
 				      const struct regcache *, int, void *);
-extern void (*sparc_supply_fpregset) (struct regcache *, int , const void *);
-extern void (*sparc_collect_fpregset) (const struct regcache *, int , void *);
+extern void (*sparc_supply_fpregset) (const struct sparc_fpregset *,
+				      struct regcache *, int , const void *);
+extern void (*sparc_collect_fpregset) (const struct sparc_fpregset *,
+				       const struct regcache *, int , void *);
 extern int (*sparc_gregset_supplies_p) (struct gdbarch *gdbarch, int);
 extern int (*sparc_fpregset_supplies_p) (struct gdbarch *gdbarch, int);
 
diff --git a/gdb/sparc-sol2-nat.c b/gdb/sparc-sol2-nat.c
index 24e2602..1972383 100644
--- a/gdb/sparc-sol2-nat.c
+++ b/gdb/sparc-sol2-nat.c
@@ -82,7 +82,7 @@ supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
 void
 supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
 {
-  sparc_supply_fpregset (regcache, -1, fpregs);
+  sparc_supply_fpregset (sparc_sol2_fpregset, regcache, -1, fpregs);
 }
 
 void
@@ -95,7 +95,7 @@ void
 fill_fpregset (const struct regcache *regcache,
 	       prfpregset_t *fpregs, int regnum)
 {
-  sparc_collect_fpregset (regcache, regnum, fpregs);
+  sparc_collect_fpregset (sparc_sol2_fpregset, regcache, regnum, fpregs);
 }
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
diff --git a/gdb/sparc-sol2-tdep.c b/gdb/sparc-sol2-tdep.c
index d2fc4d6..ca1077d 100644
--- a/gdb/sparc-sol2-tdep.c
+++ b/gdb/sparc-sol2-tdep.c
@@ -47,6 +47,12 @@ const struct sparc_gregset sparc32_sol2_gregset =
   1 * 4,			/* %g1 */
   16 * 4,			/* %l0 */
 };
+
+const struct sparc_fpregset sparc32_sol2_fpregset =
+{
+  0 * 4,			/* %f0 */
+  33 * 4,			/* %fsr */
+};
 
 
 /* The Solaris signal trampolines reside in libc.  For normal signals,
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c
index 6da2297..3164ed3 100644
--- a/gdb/sparc-tdep.c
+++ b/gdb/sparc-tdep.c
@@ -1953,7 +1953,8 @@ sparc32_collect_gregset (const struct sparc_gregset *gregset,
 }
 
 void
-sparc32_supply_fpregset (struct regcache *regcache,
+sparc32_supply_fpregset (const struct sparc_fpregset *fpregset,
+			 struct regcache *regcache,
 			 int regnum, const void *fpregs)
 {
   const gdb_byte *regs = fpregs;
@@ -1962,15 +1963,18 @@ sparc32_supply_fpregset (struct regcache *regcache,
   for (i = 0; i < 32; i++)
     {
       if (regnum == (SPARC_F0_REGNUM + i) || regnum == -1)
-	regcache_raw_supply (regcache, SPARC_F0_REGNUM + i, regs + (i * 4));
+	regcache_raw_supply (regcache, SPARC_F0_REGNUM + i,
+			     regs + fpregset->r_f0_offset + (i * 4));
     }
 
   if (regnum == SPARC32_FSR_REGNUM || regnum == -1)
-    regcache_raw_supply (regcache, SPARC32_FSR_REGNUM, regs + (32 * 4) + 4);
+    regcache_raw_supply (regcache, SPARC32_FSR_REGNUM,
+			 regs + fpregset->r_fsr_offset);
 }
 
 void
-sparc32_collect_fpregset (const struct regcache *regcache,
+sparc32_collect_fpregset (const struct sparc_fpregset *fpregset,
+			  const struct regcache *regcache,
 			  int regnum, void *fpregs)
 {
   gdb_byte *regs = fpregs;
@@ -1979,11 +1983,13 @@ sparc32_collect_fpregset (const struct regcache *regcache,
   for (i = 0; i < 32; i++)
     {
       if (regnum == (SPARC_F0_REGNUM + i) || regnum == -1)
-	regcache_raw_collect (regcache, SPARC_F0_REGNUM + i, regs + (i * 4));
+	regcache_raw_collect (regcache, SPARC_F0_REGNUM + i,
+			      regs + fpregset->r_f0_offset + (i * 4));
     }
 
   if (regnum == SPARC32_FSR_REGNUM || regnum == -1)
-    regcache_raw_collect (regcache, SPARC32_FSR_REGNUM, regs + (32 * 4) + 4);
+    regcache_raw_collect (regcache, SPARC32_FSR_REGNUM,
+			  regs + fpregset->r_fsr_offset);
 }
 
 
@@ -2001,6 +2007,18 @@ const struct sparc_gregset sparc32_sunos4_gregset =
   4 * 4,			/* %g1 */
   -1				/* %l0 */
 };
+
+const struct sparc_fpregset sparc32_sunos4_fpregset =
+{
+  0 * 4,			/* %f0 */
+  33 * 4,			/* %fsr */
+};
+
+const struct sparc_fpregset sparc32_bsd_fpregset =
+{
+  0 * 4,			/* %f0 */
+  32 * 4,			/* %fsr */
+};
 
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
diff --git a/gdb/sparc-tdep.h b/gdb/sparc-tdep.h
index db94994..64b6066 100644
--- a/gdb/sparc-tdep.h
+++ b/gdb/sparc-tdep.h
@@ -41,6 +41,12 @@ struct sparc_gregset
   int r_y_size;
 };
 
+struct sparc_fpregset
+{
+  int r_f0_offset;
+  int r_fsr_offset;
+};
+
 /* SPARC architecture-specific information.  */
 
 struct gdbarch_tdep
@@ -198,6 +204,8 @@ extern void sparc_collect_rwindow (const struct regcache *regcache,
 
 /* Register offsets for SunOS 4.  */
 extern const struct sparc_gregset sparc32_sunos4_gregset;
+extern const struct sparc_fpregset sparc32_sunos4_fpregset;
+extern const struct sparc_fpregset sparc32_bsd_fpregset;
 
 extern void sparc32_supply_gregset (const struct sparc_gregset *gregset,
 				    struct regcache *regcache,
@@ -205,15 +213,18 @@ extern void sparc32_supply_gregset (const struct sparc_gregset *gregset,
 extern void sparc32_collect_gregset (const struct sparc_gregset *gregset,
 				     const struct regcache *regcache,
 				     int regnum, void *gregs);
-extern void sparc32_supply_fpregset (struct regcache *regcache,
+extern void sparc32_supply_fpregset (const struct sparc_fpregset *fpregset,
+				     struct regcache *regcache,
 				     int regnum, const void *fpregs);
-extern void sparc32_collect_fpregset (const struct regcache *regcache,
+extern void sparc32_collect_fpregset (const struct sparc_fpregset *fpregset,
+				      const struct regcache *regcache,
 				      int regnum, void *fpregs);
 
 /* Functions and variables exported from sparc-sol2-tdep.c.  */
 
 /* Register offsets for Solaris 2.  */
 extern const struct sparc_gregset sparc32_sol2_gregset;
+extern const struct sparc_fpregset sparc32_sol2_fpregset;
 
 extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, const char *name);
 
diff --git a/gdb/sparc64-linux-nat.c b/gdb/sparc64-linux-nat.c
index 1fec42a..d21728f 100644
--- a/gdb/sparc64-linux-nat.c
+++ b/gdb/sparc64-linux-nat.c
@@ -53,7 +53,7 @@ supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
 void
 supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
 {
-  sparc64_supply_fpregset (regcache, -1, fpregs);
+  sparc64_supply_fpregset (&sparc64_bsd_fpregset, regcache, -1, fpregs);
 }
 
 void
@@ -66,7 +66,7 @@ void
 fill_fpregset (const struct regcache *regcache,
 	       prfpregset_t *fpregs, int regnum)
 {
-  sparc64_collect_fpregset (regcache, regnum, fpregs);
+  sparc64_collect_fpregset (&sparc64_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
diff --git a/gdb/sparc64-linux-tdep.c b/gdb/sparc64-linux-tdep.c
index 019af2b..0dd9103 100644
--- a/gdb/sparc64-linux-tdep.c
+++ b/gdb/sparc64-linux-tdep.c
@@ -174,7 +174,7 @@ sparc64_linux_supply_core_fpregset (const struct regset *regset,
 				    struct regcache *regcache,
 				    int regnum, const void *fpregs, size_t len)
 {
-  sparc64_supply_fpregset (regcache, regnum, fpregs);
+  sparc64_supply_fpregset (&sparc64_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 static void
@@ -182,7 +182,7 @@ sparc64_linux_collect_core_fpregset (const struct regset *regset,
 				     const struct regcache *regcache,
 				     int regnum, void *fpregs, size_t len)
 {
-  sparc64_collect_fpregset (regcache, regnum, fpregs);
+  sparc64_collect_fpregset (&sparc64_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 /* Set the program counter for process PTID to PC.  */
diff --git a/gdb/sparc64-sol2-tdep.c b/gdb/sparc64-sol2-tdep.c
index 35431b0..cb1e4be 100644
--- a/gdb/sparc64-sol2-tdep.c
+++ b/gdb/sparc64-sol2-tdep.c
@@ -45,6 +45,12 @@ const struct sparc_gregset sparc64_sol2_gregset =
   16 * 8,			/* %l0 */
   8				/* sizeof (%y) */
 };
+
+const struct sparc_fpregset sparc64_sol2_fpregset =
+{
+  0 * 8,			/* %f0 */
+  33 * 8,			/* %fsr */
+};
 
 
 static struct sparc_frame_cache *
diff --git a/gdb/sparc64-tdep.c b/gdb/sparc64-tdep.c
index 28c9ca4..5dc1eb8 100644
--- a/gdb/sparc64-tdep.c
+++ b/gdb/sparc64-tdep.c
@@ -1448,7 +1448,8 @@ sparc64_collect_gregset (const struct sparc_gregset *gregset,
 }
 
 void
-sparc64_supply_fpregset (struct regcache *regcache,
+sparc64_supply_fpregset (const struct sparc_fpregset *fpregset,
+			 struct regcache *regcache,
 			 int regnum, const void *fpregs)
 {
   int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
@@ -1458,14 +1459,15 @@ sparc64_supply_fpregset (struct regcache *regcache,
   for (i = 0; i < 32; i++)
     {
       if (regnum == (SPARC_F0_REGNUM + i) || regnum == -1)
-	regcache_raw_supply (regcache, SPARC_F0_REGNUM + i, regs + (i * 4));
+	regcache_raw_supply (regcache, SPARC_F0_REGNUM + i,
+			     regs + fpregset->r_f0_offset + (i * 4));
     }
 
   if (sparc32)
     {
       if (regnum == SPARC32_FSR_REGNUM || regnum == -1)
 	regcache_raw_supply (regcache, SPARC32_FSR_REGNUM,
-			     regs + (32 * 4) + (16 * 8) + 4);
+			     regs + fpregset->r_fsr_offset);
     }
   else
     {
@@ -1473,17 +1475,19 @@ sparc64_supply_fpregset (struct regcache *regcache,
 	{
 	  if (regnum == (SPARC64_F32_REGNUM + i) || regnum == -1)
 	    regcache_raw_supply (regcache, SPARC64_F32_REGNUM + i,
-				 regs + (32 * 4) + (i * 8));
+				 (regs + fpregset->r_f0_offset
+				  + (32 * 4) + (i * 8)));
 	}
 
       if (regnum == SPARC64_FSR_REGNUM || regnum == -1)
 	regcache_raw_supply (regcache, SPARC64_FSR_REGNUM,
-			     regs + (32 * 4) + (16 * 8));
+			     regs + fpregset->r_fsr_offset);
     }
 }
 
 void
-sparc64_collect_fpregset (const struct regcache *regcache,
+sparc64_collect_fpregset (const struct sparc_fpregset *fpregset,
+			  const struct regcache *regcache,
 			  int regnum, void *fpregs)
 {
   int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
@@ -1493,14 +1497,15 @@ sparc64_collect_fpregset (const struct regcache *regcache,
   for (i = 0; i < 32; i++)
     {
       if (regnum == (SPARC_F0_REGNUM + i) || regnum == -1)
-	regcache_raw_collect (regcache, SPARC_F0_REGNUM + i, regs + (i * 4));
+	regcache_raw_collect (regcache, SPARC_F0_REGNUM + i,
+			      regs + fpregset->r_f0_offset + (i * 4));
     }
 
   if (sparc32)
     {
       if (regnum == SPARC32_FSR_REGNUM || regnum == -1)
 	regcache_raw_collect (regcache, SPARC32_FSR_REGNUM,
-			      regs + (32 * 4) + (16 * 8) + 4);
+			      regs + fpregset->r_fsr_offset);
     }
   else
     {
@@ -1508,12 +1513,18 @@ sparc64_collect_fpregset (const struct regcache *regcache,
 	{
 	  if (regnum == (SPARC64_F32_REGNUM + i) || regnum == -1)
 	    regcache_raw_collect (regcache, SPARC64_F32_REGNUM + i,
-				  regs + (32 * 4) + (i * 8));
+				  (regs + fpregset->r_f0_offset
+				   + (32 * 4) + (i * 8)));
 	}
 
       if (regnum == SPARC64_FSR_REGNUM || regnum == -1)
 	regcache_raw_collect (regcache, SPARC64_FSR_REGNUM,
-			      regs + (32 * 4) + (16 * 8));
+			      regs + fpregset->r_fsr_offset);
     }
 }
 
+const struct sparc_fpregset sparc64_bsd_fpregset =
+{
+  0 * 8,			/* %f0 */
+  32 * 8,			/* %fsr */
+};
diff --git a/gdb/sparc64-tdep.h b/gdb/sparc64-tdep.h
index a355e48..e59bf8d 100644
--- a/gdb/sparc64-tdep.h
+++ b/gdb/sparc64-tdep.h
@@ -103,15 +103,18 @@ extern void sparc64_supply_gregset (const struct sparc_gregset *gregset,
 extern void sparc64_collect_gregset (const struct sparc_gregset *gregset,
 				     const struct regcache *regcache,
 				     int regnum, void *gregs);
-extern void sparc64_supply_fpregset (struct regcache *regcache,
+extern void sparc64_supply_fpregset (const struct sparc_fpregset *fpregset,
+				     struct regcache *regcache,
 				     int regnum, const void *fpregs);
-extern void sparc64_collect_fpregset (const struct regcache *regcache,
+extern void sparc64_collect_fpregset (const struct sparc_fpregset *fpregset,
+				      const struct regcache *regcache,
 				      int regnum, void *fpregs);
 
 /* Functions and variables exported from sparc64-sol2-tdep.c.  */
 
 /* Register offsets for Solaris 2.  */
 extern const struct sparc_gregset sparc64_sol2_gregset;
+extern const struct sparc_fpregset sparc64_sol2_fpregset;
 
 extern void sparc64_sol2_init_abi (struct gdbarch_info info,
 				   struct gdbarch *gdbarch);
@@ -130,4 +133,6 @@ extern struct trad_frame_saved_reg *
   sparc64nbsd_sigcontext_saved_regs (CORE_ADDR sigcontext_addr,
 				     struct frame_info *next_frame);
 
+extern const struct sparc_fpregset sparc64_bsd_fpregset;
+
 #endif /* sparc64-tdep.h */
diff --git a/gdb/sparc64fbsd-tdep.c b/gdb/sparc64fbsd-tdep.c
index f58e73b..77fc4e3 100644
--- a/gdb/sparc64fbsd-tdep.c
+++ b/gdb/sparc64fbsd-tdep.c
@@ -69,7 +69,7 @@ sparc64fbsd_supply_fpregset (const struct regset *regset,
 			     struct regcache *regcache,
 			     int regnum, const void *fpregs, size_t len)
 {
-  sparc64_supply_fpregset (regcache, regnum, fpregs);
+  sparc64_supply_fpregset (&sparc64_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 static void
@@ -77,7 +77,7 @@ sparc64fbsd_collect_fpregset (const struct regset *regset,
 			      const struct regcache *regcache,
 			      int regnum, void *fpregs, size_t len)
 {
-  sparc64_collect_fpregset (regcache, regnum, fpregs);
+  sparc64_collect_fpregset (&sparc64_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 
diff --git a/gdb/sparc64nbsd-nat.c b/gdb/sparc64nbsd-nat.c
index b37965c..a1567c5 100644
--- a/gdb/sparc64nbsd-nat.c
+++ b/gdb/sparc64nbsd-nat.c
@@ -56,15 +56,16 @@ sparc64nbsd_collect_gregset (const struct sparc_gregset *gregset,
 }
 
 static void
-sparc64nbsd_supply_fpregset (struct regcache *regcache,
+sparc64nbsd_supply_fpregset (const struct sparc_fpregset *fpregset,
+			     struct regcache *regcache,
 			     int regnum, const void *fpregs)
 {
   int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
 
   if (sparc32)
-    sparc32_supply_fpregset (regcache, regnum, fpregs);
+    sparc32_supply_fpregset (&sparc32_bsd_fpregset, regcache, regnum, fpregs);
   else
-    sparc64_supply_fpregset (regcache, regnum, fpregs);
+    sparc64_supply_fpregset (&sparc64_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 static void
@@ -74,9 +75,9 @@ sparc64nbsd_collect_fpregset (const struct regcache *regcache,
   int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
 
   if (sparc32)
-    sparc32_collect_fpregset (regcache, regnum, fpregs);
+    sparc32_collect_fpregset (&sparc32_bsd_fpregset, regcache, regnum, fpregs);
   else
-    sparc64_collect_fpregset (regcache, regnum, fpregs);
+    sparc64_collect_fpregset (&sparc64_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 /* Determine whether `gregset_t' contains register REGNUM.  */
diff --git a/gdb/sparc64nbsd-tdep.c b/gdb/sparc64nbsd-tdep.c
index 273fb26..a6c22c1 100644
--- a/gdb/sparc64nbsd-tdep.c
+++ b/gdb/sparc64nbsd-tdep.c
@@ -64,7 +64,7 @@ sparc64nbsd_supply_fpregset (const struct regset *regset,
 			     struct regcache *regcache,
 			     int regnum, const void *fpregs, size_t len)
 {
-  sparc64_supply_fpregset (regcache, regnum, fpregs);
+  sparc64_supply_fpregset (&sparc64_bsd_fpregset, regcache, regnum, fpregs);
 }
 
 
diff --git a/gdb/sparc64obsd-tdep.c b/gdb/sparc64obsd-tdep.c
index 6148eab..0cd83e1 100644
--- a/gdb/sparc64obsd-tdep.c
+++ b/gdb/sparc64obsd-tdep.c
@@ -64,7 +64,7 @@ sparc64obsd_supply_gregset (const struct regset *regset,
   const char *regs = gregs;
 
   sparc64_supply_gregset (&sparc64obsd_core_gregset, regcache, regnum, regs);
-  sparc64_supply_fpregset (regcache, regnum, regs + 288);
+  sparc64_supply_fpregset (&sparc64_bsd_fpregset, regcache, regnum, regs + 288);
 }
 
 
diff --git a/gdb/sparcnbsd-nat.c b/gdb/sparcnbsd-nat.c
index 847419f..b78f50a 100644
--- a/gdb/sparcnbsd-nat.c
+++ b/gdb/sparcnbsd-nat.c
@@ -63,6 +63,7 @@ void
 _initialize_sparcnbsd_nat (void)
 {
   sparc_gregset = &sparc32nbsd_gregset;
+  sparc_fpregset = &sparc32_bsd_fpregset;
 
   /* We've got nothing to add to the generic SPARC target.  */
   add_target (sparc_target ());
diff --git a/gdb/sparcnbsd-tdep.c b/gdb/sparcnbsd-tdep.c
index 9afbbcf..84e7395 100644
--- a/gdb/sparcnbsd-tdep.c
+++ b/gdb/sparcnbsd-tdep.c
@@ -64,7 +64,8 @@ sparc32nbsd_supply_gregset (const struct regset *regset,
      Instead, the general-purpose and floating-point registers are
      lumped together in a single section.  */
   if (len >= 212)
-    sparc32_supply_fpregset (regcache, regnum, (const char *) gregs + 80);
+    sparc32_supply_fpregset (&sparc32_bsd_fpregset, regcache, regnum,
+			     (const char *) gregs + 80);
 }
 
 static void
@@ -72,7 +73,7 @@ sparc32nbsd_supply_fpregset (const struct regset *regset,
 			     struct regcache *regcache,
 			     int regnum, const void *fpregs, size_t len)
 {
-  sparc32_supply_fpregset (regcache, regnum, fpregs);
+  sparc32_supply_fpregset (&sparc32_bsd_fpregset, regcache, regnum, fpregs);
 }