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.

1 files changed, 24 insertions, 6 deletions

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.  */