Constify target_desc declarations and features/Makefile

gdb/arch/ppc-linux-common.c

@@ -46,7 +46,7 @@ ppc_linux_has_isa205 (CORE_ADDR hwcap)
 const struct target_desc *
 ppc_linux_match_description (struct ppc_linux_features features)
 {
-  struct target_desc *tdesc = NULL;
+  const struct target_desc *tdesc = NULL;
 
   if (features.wordsize == 8)
     {

gdb/arch/ppc-linux-tdesc.h

@@ -22,25 +22,25 @@
 
 struct target_desc;
 
-extern struct target_desc *tdesc_powerpc_32l;
-extern struct target_desc *tdesc_powerpc_altivec32l;
-extern struct target_desc *tdesc_powerpc_vsx32l;
-extern struct target_desc *tdesc_powerpc_isa205_32l;
-extern struct target_desc *tdesc_powerpc_isa205_altivec32l;
-extern struct target_desc *tdesc_powerpc_isa205_vsx32l;
-extern struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx32l;
-extern struct target_desc *tdesc_powerpc_isa207_vsx32l;
-extern struct target_desc *tdesc_powerpc_isa207_htm_vsx32l;
-extern struct target_desc *tdesc_powerpc_e500l;
+extern const struct target_desc *tdesc_powerpc_32l;
+extern const struct target_desc *tdesc_powerpc_altivec32l;
+extern const struct target_desc *tdesc_powerpc_vsx32l;
+extern const struct target_desc *tdesc_powerpc_isa205_32l;
+extern const struct target_desc *tdesc_powerpc_isa205_altivec32l;
+extern const struct target_desc *tdesc_powerpc_isa205_vsx32l;
+extern const struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx32l;
+extern const struct target_desc *tdesc_powerpc_isa207_vsx32l;
+extern const struct target_desc *tdesc_powerpc_isa207_htm_vsx32l;
+extern const struct target_desc *tdesc_powerpc_e500l;
 
-extern struct target_desc *tdesc_powerpc_64l;
-extern struct target_desc *tdesc_powerpc_altivec64l;
-extern struct target_desc *tdesc_powerpc_vsx64l;
-extern struct target_desc *tdesc_powerpc_isa205_64l;
-extern struct target_desc *tdesc_powerpc_isa205_altivec64l;
-extern struct target_desc *tdesc_powerpc_isa205_vsx64l;
-extern struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx64l;
-extern struct target_desc *tdesc_powerpc_isa207_vsx64l;
-extern struct target_desc *tdesc_powerpc_isa207_htm_vsx64l;
+extern const struct target_desc *tdesc_powerpc_64l;
+extern const struct target_desc *tdesc_powerpc_altivec64l;
+extern const struct target_desc *tdesc_powerpc_vsx64l;
+extern const struct target_desc *tdesc_powerpc_isa205_64l;
+extern const struct target_desc *tdesc_powerpc_isa205_altivec64l;
+extern const struct target_desc *tdesc_powerpc_isa205_vsx64l;
+extern const struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx64l;
+extern const struct target_desc *tdesc_powerpc_isa207_vsx64l;
+extern const struct target_desc *tdesc_powerpc_isa207_htm_vsx64l;
 
 #endif /* ARCH_PPC_LINUX_TDESC_H */

gdb/features/Makefile

@@ -108,6 +108,7 @@ XMLTOC = \
 	nds32.xml \
 	nios2.xml \
 	or1k.xml \
+	or1k-linux.xml \
 	rs6000/powerpc-32.xml \
 	rs6000/powerpc-32l.xml \
 	rs6000/powerpc-403.xml \
@@ -164,6 +165,8 @@ XMLTOC = \
 	s390x-vx-linux64.xml \
 	s390-gs-linux64.xml \
 	s390x-gs-linux64.xml \
+	sparc/sparc32-solaris.xml \
+	sparc/sparc64-solaris.xml \
 	z80.xml
 
 TDESC_CFILES = $(patsubst %.xml,%.c,$(XMLTOC))
@@ -209,6 +212,7 @@ FEATURE_XMLFILES = aarch64-core.xml \
 	arm/arm-m-profile-mve.xml \
 	arm/arm-m-system.xml \
 	arm/arm-m-profile-with-fpa.xml \
+	arm/arm-secext.xml \
 	arm/arm-tls.xml \
 	arm/arm-vfpv2.xml \
 	arm/arm-vfpv3.xml \

gdb/features/arm/arm-secext.c

@@ -4,7 +4,7 @@
 #include "gdbsupport/tdesc.h"
 
 static int
-create_feature_arm_arm_m_system (struct target_desc *result, long regnum)
+create_feature_arm_arm_secext (struct target_desc *result, long regnum)
 {
   struct tdesc_feature *feature;
 

gdb/features/microblaze-with-stack-protect.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_microblaze_with_stack_protect;
+const struct target_desc *tdesc_microblaze_with_stack_protect;
 static void
 initialize_tdesc_microblaze_with_stack_protect (void)
 {

gdb/features/microblaze.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_microblaze;
+const struct target_desc *tdesc_microblaze;
 static void
 initialize_tdesc_microblaze (void)
 {

gdb/features/mips-dsp-linux.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_mips_dsp_linux;
+const struct target_desc *tdesc_mips_dsp_linux;
 static void
 initialize_tdesc_mips_dsp_linux (void)
 {

gdb/features/mips-linux.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_mips_linux;
+const struct target_desc *tdesc_mips_linux;
 static void
 initialize_tdesc_mips_linux (void)
 {

gdb/features/mips64-dsp-linux.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_mips64_dsp_linux;
+const struct target_desc *tdesc_mips64_dsp_linux;
 static void
 initialize_tdesc_mips64_dsp_linux (void)
 {

gdb/features/mips64-linux.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_mips64_linux;
+const struct target_desc *tdesc_mips64_linux;
 static void
 initialize_tdesc_mips64_linux (void)
 {

gdb/features/nds32.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_nds32;
+const struct target_desc *tdesc_nds32;
 static void
 initialize_tdesc_nds32 (void)
 {

gdb/features/nios2.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_nios2;
+const struct target_desc *tdesc_nios2;
 static void
 initialize_tdesc_nios2 (void)
 {

gdb/features/or1k-linux.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_or1k_linux;
+const struct target_desc *tdesc_or1k_linux;
 static void
 initialize_tdesc_or1k_linux (void)
 {

gdb/features/or1k.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_or1k;
+const struct target_desc *tdesc_or1k;
 static void
 initialize_tdesc_or1k (void)
 {

gdb/features/rs6000/powerpc-32.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_32;
+const struct target_desc *tdesc_powerpc_32;
 static void
 initialize_tdesc_powerpc_32 (void)
 {

gdb/features/rs6000/powerpc-32l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_32l;
+const struct target_desc *tdesc_powerpc_32l;
 static void
 initialize_tdesc_powerpc_32l (void)
 {

gdb/features/rs6000/powerpc-403.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_403;
+const struct target_desc *tdesc_powerpc_403;
 static void
 initialize_tdesc_powerpc_403 (void)
 {

gdb/features/rs6000/powerpc-403gc.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_403gc;
+const struct target_desc *tdesc_powerpc_403gc;
 static void
 initialize_tdesc_powerpc_403gc (void)
 {

gdb/features/rs6000/powerpc-405.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_405;
+const struct target_desc *tdesc_powerpc_405;
 static void
 initialize_tdesc_powerpc_405 (void)
 {

gdb/features/rs6000/powerpc-505.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_505;
+const struct target_desc *tdesc_powerpc_505;
 static void
 initialize_tdesc_powerpc_505 (void)
 {

gdb/features/rs6000/powerpc-601.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_601;
+const struct target_desc *tdesc_powerpc_601;
 static void
 initialize_tdesc_powerpc_601 (void)
 {

gdb/features/rs6000/powerpc-602.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_602;
+const struct target_desc *tdesc_powerpc_602;
 static void
 initialize_tdesc_powerpc_602 (void)
 {

gdb/features/rs6000/powerpc-603.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_603;
+const struct target_desc *tdesc_powerpc_603;
 static void
 initialize_tdesc_powerpc_603 (void)
 {

gdb/features/rs6000/powerpc-604.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_604;
+const struct target_desc *tdesc_powerpc_604;
 static void
 initialize_tdesc_powerpc_604 (void)
 {

gdb/features/rs6000/powerpc-64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_64;
+const struct target_desc *tdesc_powerpc_64;
 static void
 initialize_tdesc_powerpc_64 (void)
 {

gdb/features/rs6000/powerpc-64l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_64l;
+const struct target_desc *tdesc_powerpc_64l;
 static void
 initialize_tdesc_powerpc_64l (void)
 {

gdb/features/rs6000/powerpc-7400.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_7400;
+const struct target_desc *tdesc_powerpc_7400;
 static void
 initialize_tdesc_powerpc_7400 (void)
 {

gdb/features/rs6000/powerpc-750.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_750;
+const struct target_desc *tdesc_powerpc_750;
 static void
 initialize_tdesc_powerpc_750 (void)
 {

gdb/features/rs6000/powerpc-860.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_860;
+const struct target_desc *tdesc_powerpc_860;
 static void
 initialize_tdesc_powerpc_860 (void)
 {

gdb/features/rs6000/powerpc-altivec32.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_altivec32;
+const struct target_desc *tdesc_powerpc_altivec32;
 static void
 initialize_tdesc_powerpc_altivec32 (void)
 {

gdb/features/rs6000/powerpc-altivec32l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_altivec32l;
+const struct target_desc *tdesc_powerpc_altivec32l;
 static void
 initialize_tdesc_powerpc_altivec32l (void)
 {

gdb/features/rs6000/powerpc-altivec64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_altivec64;
+const struct target_desc *tdesc_powerpc_altivec64;
 static void
 initialize_tdesc_powerpc_altivec64 (void)
 {

gdb/features/rs6000/powerpc-altivec64l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_altivec64l;
+const struct target_desc *tdesc_powerpc_altivec64l;
 static void
 initialize_tdesc_powerpc_altivec64l (void)
 {

gdb/features/rs6000/powerpc-e500.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_e500;
+const struct target_desc *tdesc_powerpc_e500;
 static void
 initialize_tdesc_powerpc_e500 (void)
 {

gdb/features/rs6000/powerpc-e500l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_e500l;
+const struct target_desc *tdesc_powerpc_e500l;
 static void
 initialize_tdesc_powerpc_e500l (void)
 {

gdb/features/rs6000/powerpc-isa205-32l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa205_32l;
+const struct target_desc *tdesc_powerpc_isa205_32l;
 static void
 initialize_tdesc_powerpc_isa205_32l (void)
 {

gdb/features/rs6000/powerpc-isa205-64l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa205_64l;
+const struct target_desc *tdesc_powerpc_isa205_64l;
 static void
 initialize_tdesc_powerpc_isa205_64l (void)
 {

gdb/features/rs6000/powerpc-isa205-altivec32l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa205_altivec32l;
+const struct target_desc *tdesc_powerpc_isa205_altivec32l;
 static void
 initialize_tdesc_powerpc_isa205_altivec32l (void)
 {

gdb/features/rs6000/powerpc-isa205-altivec64l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa205_altivec64l;
+const struct target_desc *tdesc_powerpc_isa205_altivec64l;
 static void
 initialize_tdesc_powerpc_isa205_altivec64l (void)
 {

gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx32l;
+const struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx32l;
 static void
 initialize_tdesc_powerpc_isa205_ppr_dscr_vsx32l (void)
 {

gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx64l;
+const struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx64l;
 static void
 initialize_tdesc_powerpc_isa205_ppr_dscr_vsx64l (void)
 {

gdb/features/rs6000/powerpc-isa205-vsx32l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa205_vsx32l;
+const struct target_desc *tdesc_powerpc_isa205_vsx32l;
 static void
 initialize_tdesc_powerpc_isa205_vsx32l (void)
 {

gdb/features/rs6000/powerpc-isa205-vsx64l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa205_vsx64l;
+const struct target_desc *tdesc_powerpc_isa205_vsx64l;
 static void
 initialize_tdesc_powerpc_isa205_vsx64l (void)
 {

gdb/features/rs6000/powerpc-isa207-htm-vsx32l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa207_htm_vsx32l;
+const struct target_desc *tdesc_powerpc_isa207_htm_vsx32l;
 static void
 initialize_tdesc_powerpc_isa207_htm_vsx32l (void)
 {

gdb/features/rs6000/powerpc-isa207-htm-vsx64l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa207_htm_vsx64l;
+const struct target_desc *tdesc_powerpc_isa207_htm_vsx64l;
 static void
 initialize_tdesc_powerpc_isa207_htm_vsx64l (void)
 {

gdb/features/rs6000/powerpc-isa207-vsx32l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa207_vsx32l;
+const struct target_desc *tdesc_powerpc_isa207_vsx32l;
 static void
 initialize_tdesc_powerpc_isa207_vsx32l (void)
 {

gdb/features/rs6000/powerpc-isa207-vsx64l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_isa207_vsx64l;
+const struct target_desc *tdesc_powerpc_isa207_vsx64l;
 static void
 initialize_tdesc_powerpc_isa207_vsx64l (void)
 {

gdb/features/rs6000/powerpc-vsx32.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_vsx32;
+const struct target_desc *tdesc_powerpc_vsx32;
 static void
 initialize_tdesc_powerpc_vsx32 (void)
 {

gdb/features/rs6000/powerpc-vsx32l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_vsx32l;
+const struct target_desc *tdesc_powerpc_vsx32l;
 static void
 initialize_tdesc_powerpc_vsx32l (void)
 {

gdb/features/rs6000/powerpc-vsx64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_vsx64;
+const struct target_desc *tdesc_powerpc_vsx64;
 static void
 initialize_tdesc_powerpc_vsx64 (void)
 {

gdb/features/rs6000/powerpc-vsx64l.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_powerpc_vsx64l;
+const struct target_desc *tdesc_powerpc_vsx64l;
 static void
 initialize_tdesc_powerpc_vsx64l (void)
 {

gdb/features/rs6000/rs6000.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_rs6000;
+const struct target_desc *tdesc_rs6000;
 static void
 initialize_tdesc_rs6000 (void)
 {

gdb/features/rx.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_rx;
+const struct target_desc *tdesc_rx;
 static void
 initialize_tdesc_rx (void)
 {

gdb/features/s390-gs-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_gs_linux64;
+const struct target_desc *tdesc_s390_gs_linux64;
 static void
 initialize_tdesc_s390_gs_linux64 (void)
 {

gdb/features/s390-linux32.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_linux32;
+const struct target_desc *tdesc_s390_linux32;
 static void
 initialize_tdesc_s390_linux32 (void)
 {

gdb/features/s390-linux32v1.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_linux32v1;
+const struct target_desc *tdesc_s390_linux32v1;
 static void
 initialize_tdesc_s390_linux32v1 (void)
 {

gdb/features/s390-linux32v2.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_linux32v2;
+const struct target_desc *tdesc_s390_linux32v2;
 static void
 initialize_tdesc_s390_linux32v2 (void)
 {

gdb/features/s390-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_linux64;
+const struct target_desc *tdesc_s390_linux64;
 static void
 initialize_tdesc_s390_linux64 (void)
 {

gdb/features/s390-linux64v1.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_linux64v1;
+const struct target_desc *tdesc_s390_linux64v1;
 static void
 initialize_tdesc_s390_linux64v1 (void)
 {

gdb/features/s390-linux64v2.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_linux64v2;
+const struct target_desc *tdesc_s390_linux64v2;
 static void
 initialize_tdesc_s390_linux64v2 (void)
 {

gdb/features/s390-te-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_te_linux64;
+const struct target_desc *tdesc_s390_te_linux64;
 static void
 initialize_tdesc_s390_te_linux64 (void)
 {

gdb/features/s390-tevx-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_tevx_linux64;
+const struct target_desc *tdesc_s390_tevx_linux64;
 static void
 initialize_tdesc_s390_tevx_linux64 (void)
 {

gdb/features/s390-vx-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390_vx_linux64;
+const struct target_desc *tdesc_s390_vx_linux64;
 static void
 initialize_tdesc_s390_vx_linux64 (void)
 {

gdb/features/s390x-gs-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390x_gs_linux64;
+const struct target_desc *tdesc_s390x_gs_linux64;
 static void
 initialize_tdesc_s390x_gs_linux64 (void)
 {

gdb/features/s390x-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390x_linux64;
+const struct target_desc *tdesc_s390x_linux64;
 static void
 initialize_tdesc_s390x_linux64 (void)
 {

gdb/features/s390x-linux64v1.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390x_linux64v1;
+const struct target_desc *tdesc_s390x_linux64v1;
 static void
 initialize_tdesc_s390x_linux64v1 (void)
 {

gdb/features/s390x-linux64v2.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390x_linux64v2;
+const struct target_desc *tdesc_s390x_linux64v2;
 static void
 initialize_tdesc_s390x_linux64v2 (void)
 {

gdb/features/s390x-te-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390x_te_linux64;
+const struct target_desc *tdesc_s390x_te_linux64;
 static void
 initialize_tdesc_s390x_te_linux64 (void)
 {

gdb/features/s390x-tevx-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390x_tevx_linux64;
+const struct target_desc *tdesc_s390x_tevx_linux64;
 static void
 initialize_tdesc_s390x_tevx_linux64 (void)
 {

gdb/features/s390x-vx-linux64.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_s390x_vx_linux64;
+const struct target_desc *tdesc_s390x_vx_linux64;
 static void
 initialize_tdesc_s390x_vx_linux64 (void)
 {

gdb/features/sparc/sparc32-solaris.c

@@ -5,18 +5,18 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_sparc32_solaris;
+const struct target_desc *tdesc_sparc32_solaris;
 static void
 initialize_tdesc_sparc32_solaris (void)
 {
-  struct target_desc *result = allocate_target_description ();
+  target_desc_up result = allocate_target_description ();
+  set_tdesc_architecture (result.get (), bfd_scan_arch ("sparc"));
+
+  set_tdesc_osabi (result.get (), osabi_from_tdesc_string ("Solaris"));
+
   struct tdesc_feature *feature;
 
-  set_tdesc_architecture (result, bfd_scan_arch ("sparc"));
-
-  set_tdesc_osabi (result, osabi_from_tdesc_string ("Solaris"));
-
-  feature = tdesc_create_feature (result, "org.gnu.gdb.sparc.cpu");
+  feature = tdesc_create_feature (result.get (), "org.gnu.gdb.sparc.cpu");
   tdesc_create_reg (feature, "g0", 0, 1, NULL, 32, "uint32");
   tdesc_create_reg (feature, "g1", 1, 1, NULL, 32, "uint32");
   tdesc_create_reg (feature, "g2", 2, 1, NULL, 32, "uint32");
@@ -50,7 +50,7 @@ initialize_tdesc_sparc32_solaris (void)
   tdesc_create_reg (feature, "fp", 30, 1, NULL, 32, "uint32");
   tdesc_create_reg (feature, "i7", 31, 1, NULL, 32, "uint32");
 
-  feature = tdesc_create_feature (result, "org.gnu.gdb.sparc.cp0");
+  feature = tdesc_create_feature (result.get (), "org.gnu.gdb.sparc.cp0");
   tdesc_create_reg (feature, "y", 64, 1, NULL, 32, "uint32");
   tdesc_create_reg (feature, "psr", 65, 1, NULL, 32, "uint32");
   tdesc_create_reg (feature, "wim", 66, 1, NULL, 32, "uint32");
@@ -60,7 +60,7 @@ initialize_tdesc_sparc32_solaris (void)
   tdesc_create_reg (feature, "fsr", 70, 1, NULL, 32, "uint32");
   tdesc_create_reg (feature, "csr", 71, 1, NULL, 32, "uint32");
 
-  feature = tdesc_create_feature (result, "org.gnu.gdb.sparc.fpu");
+  feature = tdesc_create_feature (result.get (), "org.gnu.gdb.sparc.fpu");
   tdesc_create_reg (feature, "f0", 32, 1, NULL, 32, "ieee_single");
   tdesc_create_reg (feature, "f1", 33, 1, NULL, 32, "ieee_single");
   tdesc_create_reg (feature, "f2", 34, 1, NULL, 32, "ieee_single");
@@ -94,5 +94,5 @@ initialize_tdesc_sparc32_solaris (void)
   tdesc_create_reg (feature, "f30", 62, 1, NULL, 32, "ieee_single");
   tdesc_create_reg (feature, "f31", 63, 1, NULL, 32, "ieee_single");
 
-  tdesc_sparc_solaris = result;
+  tdesc_sparc32_solaris = result.release ();
 }

gdb/features/sparc/sparc64-solaris.c

@@ -5,18 +5,18 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_sparc64_solaris;
+const struct target_desc *tdesc_sparc64_solaris;
 static void
 initialize_tdesc_sparc64_solaris (void)
 {
-  struct target_desc *result = allocate_target_description ();
+  target_desc_up result = allocate_target_description ();
+  set_tdesc_architecture (result.get (), bfd_scan_arch ("sparc:v9"));
+
+  set_tdesc_osabi (result.get (), osabi_from_tdesc_string ("Solaris"));
+
   struct tdesc_feature *feature;
 
-  set_tdesc_architecture (result, bfd_scan_arch ("sparc"));
-
-  set_tdesc_osabi (result, osabi_from_tdesc_string ("Solaris"));
-
-  feature = tdesc_create_feature (result, "org.gnu.gdb.sparc.cpu");
+  feature = tdesc_create_feature (result.get (), "org.gnu.gdb.sparc.cpu");
   tdesc_create_reg (feature, "g0", 0, 1, NULL, 64, "uint64");
   tdesc_create_reg (feature, "g1", 1, 1, NULL, 64, "uint64");
   tdesc_create_reg (feature, "g2", 2, 1, NULL, 64, "uint64");
@@ -47,18 +47,18 @@ initialize_tdesc_sparc64_solaris (void)
   tdesc_create_reg (feature, "i3", 27, 1, NULL, 64, "uint64");
   tdesc_create_reg (feature, "i4", 28, 1, NULL, 64, "uint64");
   tdesc_create_reg (feature, "i5", 29, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "fp", 30, 1, NULL, 32, "uint64");
+  tdesc_create_reg (feature, "fp", 30, 1, NULL, 64, "uint64");
   tdesc_create_reg (feature, "i7", 31, 1, NULL, 64, "uint64");
 
-  feature = tdesc_create_feature (result, "org.gnu.gdb.sparc.cp0");
+  feature = tdesc_create_feature (result.get (), "org.gnu.gdb.sparc.cp0");
   tdesc_create_reg (feature, "pc", 80, 1, NULL, 64, "code_ptr");
   tdesc_create_reg (feature, "npc", 81, 1, NULL, 64, "code_ptr");
   tdesc_create_reg (feature, "state", 82, 1, NULL, 64, "uint64");
-  tdesc_create_reg (feature, "fsr", 83, 1, NULL, 32, "ieee_single");
-  tdesc_create_reg (feature, "fprs", 84, 1, NULL, 32, "ieee_single");
+  tdesc_create_reg (feature, "fsr", 83, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "fprs", 84, 1, NULL, 64, "uint64");
   tdesc_create_reg (feature, "y", 85, 1, NULL, 64, "uint64");
 
-  feature = tdesc_create_feature (result, "org.gnu.gdb.sparc.fpu");
+  feature = tdesc_create_feature (result.get (), "org.gnu.gdb.sparc.fpu");
   tdesc_create_reg (feature, "f0", 32, 1, NULL, 32, "ieee_single");
   tdesc_create_reg (feature, "f1", 33, 1, NULL, 32, "ieee_single");
   tdesc_create_reg (feature, "f2", 34, 1, NULL, 32, "ieee_single");
@@ -108,5 +108,5 @@ initialize_tdesc_sparc64_solaris (void)
   tdesc_create_reg (feature, "f60", 78, 1, NULL, 64, "ieee_double");
   tdesc_create_reg (feature, "f62", 79, 1, NULL, 64, "ieee_double");
 
-  tdesc_sparc64_solaris = result;
+  tdesc_sparc64_solaris = result.release ();
 }

gdb/features/z80.c

@@ -5,7 +5,7 @@
 #include "osabi.h"
 #include "target-descriptions.h"
 
-struct target_desc *tdesc_z80;
+const struct target_desc *tdesc_z80;
 static void
 initialize_tdesc_z80 (void)
 {

gdb/mips-linux-tdep.h

@@ -108,9 +108,9 @@ enum {
 int mips_linux_restart_reg_p (struct gdbarch *gdbarch);
 
 /* Target descriptions.  */
-extern struct target_desc *tdesc_mips_linux;
-extern struct target_desc *tdesc_mips64_linux;
-extern struct target_desc *tdesc_mips_dsp_linux;
-extern struct target_desc *tdesc_mips64_dsp_linux;
+extern const struct target_desc *tdesc_mips_linux;
+extern const struct target_desc *tdesc_mips64_linux;
+extern const struct target_desc *tdesc_mips_dsp_linux;
+extern const struct target_desc *tdesc_mips64_dsp_linux;
 
 #endif /* MIPS_LINUX_TDEP_H */

gdb/nios2-tdep.h

@@ -84,7 +84,7 @@ struct nios2_gdbarch_tdep : gdbarch_tdep_base
   int jb_pc = 0;
 };
 
-extern struct target_desc *tdesc_nios2_linux;
-extern struct target_desc *tdesc_nios2;
+extern const  struct target_desc *tdesc_nios2_linux;
+extern const struct target_desc *tdesc_nios2;
 
 #endif /* NIOS2_TDEP_H */

gdb/rs6000-tdep.c

@@ -3466,7 +3466,7 @@ struct ppc_variant
     unsigned long mach;
 
     /* Target description for this variant.  */
-    struct target_desc **tdesc;
+    const struct target_desc **tdesc;
   };
 
 static struct ppc_variant variants[] =

gdb/s390-linux-tdep.h

@@ -48,20 +48,20 @@ extern const struct regset s390_gs_regset;
 extern const struct regset s390_gsbc_regset;
 
 /* GNU/Linux target descriptions.  */
-extern struct target_desc *tdesc_s390_linux32v1;
-extern struct target_desc *tdesc_s390_linux32v2;
-extern struct target_desc *tdesc_s390_linux64;
-extern struct target_desc *tdesc_s390_linux64v1;
-extern struct target_desc *tdesc_s390_linux64v2;
-extern struct target_desc *tdesc_s390_te_linux64;
-extern struct target_desc *tdesc_s390_vx_linux64;
-extern struct target_desc *tdesc_s390_tevx_linux64;
-extern struct target_desc *tdesc_s390_gs_linux64;
-extern struct target_desc *tdesc_s390x_linux64v1;
-extern struct target_desc *tdesc_s390x_linux64v2;
-extern struct target_desc *tdesc_s390x_te_linux64;
-extern struct target_desc *tdesc_s390x_vx_linux64;
-extern struct target_desc *tdesc_s390x_tevx_linux64;
-extern struct target_desc *tdesc_s390x_gs_linux64;
+extern const struct target_desc *tdesc_s390_linux32v1;
+extern const struct target_desc *tdesc_s390_linux32v2;
+extern const struct target_desc *tdesc_s390_linux64;
+extern const struct target_desc *tdesc_s390_linux64v1;
+extern const struct target_desc *tdesc_s390_linux64v2;
+extern const struct target_desc *tdesc_s390_te_linux64;
+extern const struct target_desc *tdesc_s390_vx_linux64;
+extern const struct target_desc *tdesc_s390_tevx_linux64;
+extern const struct target_desc *tdesc_s390_gs_linux64;
+extern const struct target_desc *tdesc_s390x_linux64v1;
+extern const struct target_desc *tdesc_s390x_linux64v2;
+extern const struct target_desc *tdesc_s390x_te_linux64;
+extern const struct target_desc *tdesc_s390x_vx_linux64;
+extern const struct target_desc *tdesc_s390x_tevx_linux64;
+extern const struct target_desc *tdesc_s390x_gs_linux64;
 
 #endif /* S390_LINUX_TDEP_H */

gdb/s390-tdep.h

@@ -317,7 +317,7 @@ extern struct value *s390_trad_frame_prev_register
     (struct frame_info *this_frame, struct trad_frame_saved_reg saved_regs[],
      int regnum);
 
-extern struct target_desc *tdesc_s390_linux32;
-extern struct target_desc *tdesc_s390x_linux64;
+extern const struct target_desc *tdesc_s390_linux32;
+extern const struct target_desc *tdesc_s390x_linux64;
 
 #endif /* S390_TDEP_H */

gdb/target-descriptions.c

@@ -1370,7 +1370,7 @@ public:
     gdb_printf ("#include \"target-descriptions.h\"\n");
     gdb_printf ("\n");
 
-    gdb_printf ("struct target_desc *tdesc_%s;\n", m_function);
+    gdb_printf ("const struct target_desc *tdesc_%s;\n", m_function);
     gdb_printf ("static void\n");
     gdb_printf ("initialize_tdesc_%s (void)\n", m_function);
     gdb_printf ("{\n");