Add feature reference in .dat files

For all targets which use the newer style target descriptions, add a
"feature" marker in the dat files.
Update regdat.sh to parse feature, but do not use it (yet).

gdb/
	* features/Makefile: Add feature marker to targets with new style
	target descriptions.
	* regformats/aarch64.dat: Regenerate.
	* regformats/i386/amd64-avx-avx512-linux.dat: Likewise.
	* regformats/i386/amd64-avx-linux.dat: Likewise.
	* regformats/i386/amd64-avx-mpx-avx512-pku-linux.dat: Likewise.
	* regformats/i386/amd64-avx-mpx-linux.dat: Likewise.
	* regformats/i386/amd64-linux.dat: Likewise.
	* regformats/i386/amd64-mpx-linux.dat: Likewise.
	* regformats/i386/amd64.dat: Likewise.
	* regformats/i386/i386-avx-avx512-linux.dat: Likewise.
	* regformats/i386/i386-avx-linux.dat: Likewise.
	* regformats/i386/i386-avx-mpx-avx512-pku-linux.dat: Likewise.
	* regformats/i386/i386-avx-mpx-linux.dat: Likewise.
	* regformats/i386/i386-linux.dat: Likewise.
	* regformats/i386/i386-mmx-linux.dat: Likewise.
	* regformats/i386/i386-mpx-linux.dat: Likewise.
	* regformats/i386/i386.dat: Likewise.
	* regformats/i386/x32-avx-avx512-linux.dat: Likewise.
	* regformats/i386/x32-avx-linux.dat: Likewise.
	* regformats/i386/x32-linux.dat: Likewise.
	* regformats/tic6x-c62x-linux.dat: Likewise.
	* regformats/tic6x-c64x-linux.dat: Likewise.
	* regformats/tic6x-c64xp-linux.dat: Likewise.
	* regformats/regdat.sh: Parse feature marker.

25 files changed, 60 insertions, 0 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 624de26..23a5b0d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,33 @@
 2018-04-18  Alan Hayward  <alan.hayward@arm.com>
 
+	* features/Makefile: Add feature marker to targets with new style
+	target descriptions.
+	* regformats/aarch64.dat: Regenerate.
+	* regformats/i386/amd64-avx-avx512-linux.dat: Likewise.
+	* regformats/i386/amd64-avx-linux.dat: Likewise.
+	* regformats/i386/amd64-avx-mpx-avx512-pku-linux.dat: Likewise.
+	* regformats/i386/amd64-avx-mpx-linux.dat: Likewise.
+	* regformats/i386/amd64-linux.dat: Likewise.
+	* regformats/i386/amd64-mpx-linux.dat: Likewise.
+	* regformats/i386/amd64.dat: Likewise.
+	* regformats/i386/i386-avx-avx512-linux.dat: Likewise.
+	* regformats/i386/i386-avx-linux.dat: Likewise.
+	* regformats/i386/i386-avx-mpx-avx512-pku-linux.dat: Likewise.
+	* regformats/i386/i386-avx-mpx-linux.dat: Likewise.
+	* regformats/i386/i386-linux.dat: Likewise.
+	* regformats/i386/i386-mmx-linux.dat: Likewise.
+	* regformats/i386/i386-mpx-linux.dat: Likewise.
+	* regformats/i386/i386.dat: Likewise.
+	* regformats/i386/x32-avx-avx512-linux.dat: Likewise.
+	* regformats/i386/x32-avx-linux.dat: Likewise.
+	* regformats/i386/x32-linux.dat: Likewise.
+	* regformats/tic6x-c62x-linux.dat: Likewise.
+	* regformats/tic6x-c64x-linux.dat: Likewise.
+	* regformats/tic6x-c64xp-linux.dat: Likewise.
+	* regformats/regdat.sh: Parse feature marker.
+
+2018-04-18  Alan Hayward  <alan.hayward@arm.com>
+
 	* common/tdesc.h (tdesc_architecture_name): Add new declaration.
 	(tdesc_osabi_name): Likewise.
 	* target-descriptions.c (tdesc_architecture_name): Add new
diff --git a/gdb/features/Makefile b/gdb/features/Makefile
index 82609f5..168c46e 100644
--- a/gdb/features/Makefile
+++ b/gdb/features/Makefile
@@ -193,12 +193,18 @@ XMLTOC = \
 TDESC_CFILES = $(patsubst %.xml,%.c,$(XMLTOC))
 GDB = false
 
+#Targets which use feature based target descriptions.
+aarch64-feature = 1
+i386-feature = 1
+tic6x-feature = 1
+
 all: $(OUTPUTS)
 
 $(outdir)/%.dat: %.xml number-regs.xsl sort-regs.xsl gdbserver-regs.xsl
 	echo "# THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:" > $(outdir)/$*.tmp
 	echo "# Generated from: $<" >> $(outdir)/$*.tmp
 	echo "name:`echo $(notdir $*) | sed 's/-/_/g'`" >> $(outdir)/$*.tmp
+	$(if $($(firstword $(subst /, ,$(subst -, ,$*)))-feature), echo "feature:1") >> $(outdir)/$*.tmp
 	echo "xmltarget:$(<F)" >> $(outdir)/$*.tmp
 	echo "expedite:$(if $($*-expedite),$($*-expedite),$($(firstword $(subst -, ,$(notdir $*)))-expedite))" \
 	  >> $(outdir)/$*.tmp
diff --git a/gdb/regformats/aarch64.dat b/gdb/regformats/aarch64.dat
index d4cea04..75ba89a 100644
--- a/gdb/regformats/aarch64.dat
+++ b/gdb/regformats/aarch64.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: aarch64.xml
 name:aarch64
+feature:1
 xmltarget:aarch64.xml
 expedite:x29,sp,pc
 64:x0
diff --git a/gdb/regformats/i386/amd64-avx-avx512-linux.dat b/gdb/regformats/i386/amd64-avx-avx512-linux.dat
index 0743693..6cb9796 100644
--- a/gdb/regformats/i386/amd64-avx-avx512-linux.dat
+++ b/gdb/regformats/i386/amd64-avx-avx512-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/amd64-avx-avx512-linux.xml
 name:amd64_avx_avx512_linux
+feature:1
 xmltarget:amd64-avx-avx512-linux.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/i386/amd64-avx-linux.dat b/gdb/regformats/i386/amd64-avx-linux.dat
index 7780b3b..54dad1d 100644
--- a/gdb/regformats/i386/amd64-avx-linux.dat
+++ b/gdb/regformats/i386/amd64-avx-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/amd64-avx-linux.xml
 name:amd64_avx_linux
+feature:1
 xmltarget:amd64-avx-linux.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/i386/amd64-avx-mpx-avx512-pku-linux.dat b/gdb/regformats/i386/amd64-avx-mpx-avx512-pku-linux.dat
index 9cd0fae..8f32638 100644
--- a/gdb/regformats/i386/amd64-avx-mpx-avx512-pku-linux.dat
+++ b/gdb/regformats/i386/amd64-avx-mpx-avx512-pku-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/amd64-avx-mpx-avx512-pku-linux.xml
 name:amd64_avx_mpx_avx512_pku_linux
+feature:1
 xmltarget:amd64-avx-mpx-avx512-pku-linux.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/i386/amd64-avx-mpx-linux.dat b/gdb/regformats/i386/amd64-avx-mpx-linux.dat
index 7c2f928..92ffa06 100644
--- a/gdb/regformats/i386/amd64-avx-mpx-linux.dat
+++ b/gdb/regformats/i386/amd64-avx-mpx-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/amd64-avx-mpx-linux.xml
 name:amd64_avx_mpx_linux
+feature:1
 xmltarget:amd64-avx-mpx-linux.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/i386/amd64-linux.dat b/gdb/regformats/i386/amd64-linux.dat
index cd16a15..81e6aef 100644
--- a/gdb/regformats/i386/amd64-linux.dat
+++ b/gdb/regformats/i386/amd64-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/amd64-linux.xml
 name:amd64_linux
+feature:1
 xmltarget:amd64-linux.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/i386/amd64-mpx-linux.dat b/gdb/regformats/i386/amd64-mpx-linux.dat
index 10487f6..c90b1b5 100644
--- a/gdb/regformats/i386/amd64-mpx-linux.dat
+++ b/gdb/regformats/i386/amd64-mpx-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/amd64-mpx-linux.xml
 name:amd64_mpx_linux
+feature:1
 xmltarget:amd64-mpx-linux.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/i386/amd64.dat b/gdb/regformats/i386/amd64.dat
index 66f26ad..fde8c1d 100644
--- a/gdb/regformats/i386/amd64.dat
+++ b/gdb/regformats/i386/amd64.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/amd64.xml
 name:amd64
+feature:1
 xmltarget:amd64.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/i386/i386-avx-avx512-linux.dat b/gdb/regformats/i386/i386-avx-avx512-linux.dat
index 4477133..5753097 100644
--- a/gdb/regformats/i386/i386-avx-avx512-linux.dat
+++ b/gdb/regformats/i386/i386-avx-avx512-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/i386-avx-avx512-linux.xml
 name:i386_avx_avx512_linux
+feature:1
 xmltarget:i386-avx-avx512-linux.xml
 expedite:ebp,esp,eip
 32:eax
diff --git a/gdb/regformats/i386/i386-avx-linux.dat b/gdb/regformats/i386/i386-avx-linux.dat
index 1c3fcfd..6a81302 100644
--- a/gdb/regformats/i386/i386-avx-linux.dat
+++ b/gdb/regformats/i386/i386-avx-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/i386-avx-linux.xml
 name:i386_avx_linux
+feature:1
 xmltarget:i386-avx-linux.xml
 expedite:ebp,esp,eip
 32:eax
diff --git a/gdb/regformats/i386/i386-avx-mpx-avx512-pku-linux.dat b/gdb/regformats/i386/i386-avx-mpx-avx512-pku-linux.dat
index 515ee10..ef6216b 100644
--- a/gdb/regformats/i386/i386-avx-mpx-avx512-pku-linux.dat
+++ b/gdb/regformats/i386/i386-avx-mpx-avx512-pku-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/i386-avx-mpx-avx512-pku-linux.xml
 name:i386_avx_mpx_avx512_pku_linux
+feature:1
 xmltarget:i386-avx-mpx-avx512-pku-linux.xml
 expedite:ebp,esp,eip
 32:eax
diff --git a/gdb/regformats/i386/i386-avx-mpx-linux.dat b/gdb/regformats/i386/i386-avx-mpx-linux.dat
index 831c476..f15bd1a 100644
--- a/gdb/regformats/i386/i386-avx-mpx-linux.dat
+++ b/gdb/regformats/i386/i386-avx-mpx-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/i386-avx-mpx-linux.xml
 name:i386_avx_mpx_linux
+feature:1
 xmltarget:i386-avx-mpx-linux.xml
 expedite:ebp,esp,eip
 32:eax
diff --git a/gdb/regformats/i386/i386-linux.dat b/gdb/regformats/i386/i386-linux.dat
index 0e414e6..5203cd4 100644
--- a/gdb/regformats/i386/i386-linux.dat
+++ b/gdb/regformats/i386/i386-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/i386-linux.xml
 name:i386_linux
+feature:1
 xmltarget:i386-linux.xml
 expedite:ebp,esp,eip
 32:eax
diff --git a/gdb/regformats/i386/i386-mmx-linux.dat b/gdb/regformats/i386/i386-mmx-linux.dat
index aa2a564..7368742 100644
--- a/gdb/regformats/i386/i386-mmx-linux.dat
+++ b/gdb/regformats/i386/i386-mmx-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/i386-mmx-linux.xml
 name:i386_mmx_linux
+feature:1
 xmltarget:i386-mmx-linux.xml
 expedite:ebp,esp,eip
 32:eax
diff --git a/gdb/regformats/i386/i386-mpx-linux.dat b/gdb/regformats/i386/i386-mpx-linux.dat
index 1dcdce9..856ef4b 100644
--- a/gdb/regformats/i386/i386-mpx-linux.dat
+++ b/gdb/regformats/i386/i386-mpx-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/i386-mpx-linux.xml
 name:i386_mpx_linux
+feature:1
 xmltarget:i386-mpx-linux.xml
 expedite:ebp,esp,eip
 32:eax
diff --git a/gdb/regformats/i386/i386.dat b/gdb/regformats/i386/i386.dat
index 13abb48..e707ed2 100644
--- a/gdb/regformats/i386/i386.dat
+++ b/gdb/regformats/i386/i386.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/i386.xml
 name:i386
+feature:1
 xmltarget:i386.xml
 expedite:ebp,esp,eip
 32:eax
diff --git a/gdb/regformats/i386/x32-avx-avx512-linux.dat b/gdb/regformats/i386/x32-avx-avx512-linux.dat
index 0078617..a9bd1d4 100644
--- a/gdb/regformats/i386/x32-avx-avx512-linux.dat
+++ b/gdb/regformats/i386/x32-avx-avx512-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/x32-avx-avx512-linux.xml
 name:x32_avx_avx512_linux
+feature:1
 xmltarget:x32-avx-avx512-linux.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/i386/x32-avx-linux.dat b/gdb/regformats/i386/x32-avx-linux.dat
index eb0e3953..9c43fa4 100644
--- a/gdb/regformats/i386/x32-avx-linux.dat
+++ b/gdb/regformats/i386/x32-avx-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/x32-avx-linux.xml
 name:x32_avx_linux
+feature:1
 xmltarget:x32-avx-linux.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/i386/x32-linux.dat b/gdb/regformats/i386/x32-linux.dat
index eee378f..fda1a89 100644
--- a/gdb/regformats/i386/x32-linux.dat
+++ b/gdb/regformats/i386/x32-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: i386/x32-linux.xml
 name:x32_linux
+feature:1
 xmltarget:x32-linux.xml
 expedite:rbp,rsp,rip
 64:rax
diff --git a/gdb/regformats/regdat.sh b/gdb/regformats/regdat.sh
index 8c6e191..18108d7 100755
--- a/gdb/regformats/regdat.sh
+++ b/gdb/regformats/regdat.sh
@@ -118,6 +118,7 @@ xmltarget=x
 xmlarch=x
 xmlosabi=x
 expedite=x
+feature=x
 exec < $1
 while do_read
 do
@@ -145,6 +146,9 @@ do
   elif test "${type}" = "expedite"; then
     expedite="${entry}"
     continue
+  elif test "${type}" = "feature"; then
+    feature="${entry}"
+    continue
   elif test "${name}" = x; then
     echo "$0: $1 does not specify \`\`name''." 1>&2
     exit 1
diff --git a/gdb/regformats/tic6x-c62x-linux.dat b/gdb/regformats/tic6x-c62x-linux.dat
index 82f2a0a..98ca39e 100644
--- a/gdb/regformats/tic6x-c62x-linux.dat
+++ b/gdb/regformats/tic6x-c62x-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: tic6x-c62x-linux.xml
 name:tic6x_c62x_linux
+feature:1
 xmltarget:tic6x-c62x-linux.xml
 expedite:A15,PC
 32:A0
diff --git a/gdb/regformats/tic6x-c64x-linux.dat b/gdb/regformats/tic6x-c64x-linux.dat
index 542826a..91e84ba 100644
--- a/gdb/regformats/tic6x-c64x-linux.dat
+++ b/gdb/regformats/tic6x-c64x-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: tic6x-c64x-linux.xml
 name:tic6x_c64x_linux
+feature:1
 xmltarget:tic6x-c64x-linux.xml
 expedite:A15,PC
 32:A0
diff --git a/gdb/regformats/tic6x-c64xp-linux.dat b/gdb/regformats/tic6x-c64xp-linux.dat
index 229b3c2..a3fa3b7 100644
--- a/gdb/regformats/tic6x-c64xp-linux.dat
+++ b/gdb/regformats/tic6x-c64xp-linux.dat
@@ -1,6 +1,7 @@
 # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
 # Generated from: tic6x-c64xp-linux.xml
 name:tic6x_c64xp_linux
+feature:1
 xmltarget:tic6x-c64xp-linux.xml
 expedite:A15,PC
 32:A0