* rs6000-tdep: Include "features/rs6000/powerpc-vsx32.c".

Include "features/rs6000/powerpc-vsx64.c".
	(ppc_supply_vsxregset): New function.
	(ppc_collect_vsxregset): New function.
	(IS_VSX_PSEUDOREG): New macro.
	(IS_EFP_PSEUDOREG): New macro.
	(vsx_register_p): New function.
	(ppc_vsx_support_p): New function.
	(rs6000_builtin_type_vec128): New function.
	(rs6000_register_name): Hide upper halves of vs0~vs31.  Return
	correct names for VSX registers and EFPR registers.
	(rs6000_pseudo_register_type): Return correct types for VSX
	and EFPR registers.
	(rs6000_pseudo_register_reggroup_p): Return correct group for
	VSX and EFPR registers.
	(ppc_pseudo_register_read): Rename to dfp_pseudo_register_read.
	(ppc_pseudo_register_write): Rename to dfp_pseudo_register_write.
	(vsx_pseudo_register_read): New function.
	(vsx_pseudo_register_write): New function.
	(efpr_pseudo_register_read): New function.
	(efpr_pseudo_register_write): New function.
	(rs6000_pseudo_register_read): Call new VSX and EFPR read functions.
	(rs6000_pseudo_register_write): Call new VSX and EFPR write functions.
	(rs6000_gdbarch_init): Declare have_vsx.
	Initialize new upper half VSX registers.
	Initialize VSX-related and EFPR-related pseudo-registers variables.
	Adjust the number of pseudo registers accordingly.

	* ppc-linux-nat.c: Define PTRACE_GETVSXREGS, PTRACE_SETVSXREGS
	and SIZEOF_VSRREGS.
	(gdb_vsxregset_t): New type.
	(have_ptrace_getsetvsxregs): New variable.
	(fetch_vsx_register): New function.
	(fetch_register): Handle VSX registers.
	(fetch_vsx_registers): New function.
	(fetch_ppc_registers): Handle VSX registers.
	(store_ppc_registers): Handle VSX registers.
	(store_vsx_register): New function.
	(store_register): Handle VSX registers.
	(store_vsx_registers): New function.
	(ppc_linux_read_description): Handle VSX-enabled inferiors.
	(gdb_vsxregset_t): New type.
	(supply_vsxregset): New function.
	(fill_vsxregset): New function.

	* ppc-tdep.h (vsx_register_p): New prototype.
	(vsx_support_p): New prototype.
	(ppc_vsr0_regnum): New variable.
	(ppc_vsr0_upper_regnum): Likewise.
	(ppc_efpr0_regnum): Likewise.
	(ppc_builtin_type_vec128): New type.
	(ppc_num_vsrs): New constant.
	(ppc_num_vshrs): New constant.
	(ppc_num_efprs): Likewise.
	Define POWERPC_VEC_VSX PPC_VSR0_UPPER_REGNUM and PPC_VSR31_UPPER_REGNUM.
	(ppc_supply_vsxregset): New prototype.
	(ppc_collect_vsxregset): New prototype.

	* ppc-linux-tdep.c: Include "features/rs6000/powerpc-vsx32l.c"
	Include "features/rs6000/powerpc-vsx64l.c".
	(_initialize_ppc_linux_tdep): Initialize VSX-enabled targets.
	(ppc_linux_regset_sections): Add new ".reg-ppc-vsx" field.
	(ppc32_linux_vsxregset): New 32-bit VSX-enabled regset.
	(ppc_linux_regset_from_core_section): Handle VSX core section.
	(ppc_linux_core_read_description): Support VSX-enabled core files.

	* ppc-linux-tdep.h: Declare *tdesc_powerpc_vsx32l
	Declare tdesc_powerpc_vsx64l

	* corelow.c (get_core_register_section): Support VSX-enabled
	core files.

	* features/rs6000/power-vsx.xml: New VSX descriptions.
	* features/rs6000/powerpc-vsx32.xml: New file.
	* features/rs6000/powerpc-vsx32l.xml: New file.
	* features/rs6000/powerpc-vsx64.xml: New file.
	* features/rs6000/powerpc-vsx64l.xml: New file.
	* features/rs6000/powerpc-vsx32.c: New file (generated).
	* features/rs6000/powerpc-vsx32l.c: New file (generated).
	* features/rs6000/powerpc-vsx64.c: New file (generated).
	* features/rs6000/powerpc-vsx64l.c: New file (generated).
	* features/Makefile: Updated with new descriptions.
	* regformats/rs6000/powerpc-vsx32l.dat: New file (generated).
	* regformats/rs6000/powerpc-vsx64l.dat: New file (generated).

	* testsuite/gdb.arch/vsx-regs.c: New source file.
	* testsuite/gdb.arch/vsx-regs.exp: New testcase.
	* testsuite/lib/gdb.exp (skip_vsx_tests): New function.

gdb/ppc-linux-tdep.c

@@ -41,8 +41,10 @@
 
 #include "features/rs6000/powerpc-32l.c"
 #include "features/rs6000/powerpc-altivec32l.c"
+#include "features/rs6000/powerpc-vsx32l.c"
 #include "features/rs6000/powerpc-64l.c"
 #include "features/rs6000/powerpc-altivec64l.c"
+#include "features/rs6000/powerpc-vsx64l.c"
 #include "features/rs6000/powerpc-e500l.c"
 
 
@@ -494,6 +496,7 @@ static struct core_regset_section ppc_linux_regset_sections[] =
   { ".reg", 268 },
   { ".reg2", 264 },
   { ".reg-ppc-vmx", 544 },
+  { ".reg-ppc-vsx", 256 },
   { NULL, 0}
 };
 
@@ -741,6 +744,13 @@ static const struct regset ppc32_linux_vrregset = {
   NULL
 };
 
+static const struct regset ppc32_linux_vsxregset = {
+  &ppc32_linux_reg_offsets,
+  ppc_supply_vsxregset,
+  ppc_collect_vsxregset,
+  NULL
+};
+
 const struct regset *
 ppc_linux_gregset (int wordsize)
 {
@@ -769,6 +779,8 @@ ppc_linux_regset_from_core_section (struct gdbarch *core_arch,
     return &ppc32_linux_fpregset;
   if (strcmp (sect_name, ".reg-ppc-vmx") == 0)
     return &ppc32_linux_vrregset;
+  if (strcmp (sect_name, ".reg-ppc-vsx") == 0)
+    return &ppc32_linux_vsxregset;
   return NULL;
 }
 
@@ -972,6 +984,7 @@ ppc_linux_core_read_description (struct gdbarch *gdbarch,
 				 bfd *abfd)
 {
   asection *altivec = bfd_get_section_by_name (abfd, ".reg-ppc-vmx");
+  asection *vsx = bfd_get_section_by_name (abfd, ".reg-ppc-vsx");
   asection *section = bfd_get_section_by_name (abfd, ".reg");
   if (! section)
     return NULL;
@@ -979,10 +992,20 @@ ppc_linux_core_read_description (struct gdbarch *gdbarch,
   switch (bfd_section_size (abfd, section))
     {
     case 48 * 4:
-      return altivec? tdesc_powerpc_altivec32l : tdesc_powerpc_32l;
+      if (vsx)
+	return tdesc_powerpc_vsx32l;
+      else if (altivec)
+	return tdesc_powerpc_altivec32l;
+      else
+	return tdesc_powerpc_32l;
 
     case 48 * 8:
-      return altivec? tdesc_powerpc_altivec64l : tdesc_powerpc_64l;
+      if (vsx)
+	return tdesc_powerpc_vsx64l;
+      else if (altivec)
+	return tdesc_powerpc_altivec64l;
+      else
+	return tdesc_powerpc_64l;
 
     default:
       return NULL;
@@ -1095,7 +1118,9 @@ _initialize_ppc_linux_tdep (void)
   /* Initialize the Linux target descriptions.  */
   initialize_tdesc_powerpc_32l ();
   initialize_tdesc_powerpc_altivec32l ();
+  initialize_tdesc_powerpc_vsx32l ();
   initialize_tdesc_powerpc_64l ();
   initialize_tdesc_powerpc_altivec64l ();
+  initialize_tdesc_powerpc_vsx64l ();
   initialize_tdesc_powerpc_e500l ();
 }