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.

23 files changed, 26 insertions, 0 deletions

diff --git a/gdb/regformats/aarch64.dat b/gdb/regformats/aarch64.dat
index d4cea04358e..75ba89a92e6 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 0743693886b..6cb97964b30 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 7780b3b6a21..54dad1d0a75 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 9cd0fae8202..8f326389f1c 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 7c2f928070f..92ffa0694fe 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 cd16a154428..81e6aef361a 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 10487f69870..c90b1b5b8ac 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 66f26ad0947..fde8c1dbe2d 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 44771339972..57530978df6 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 1c3fcfd7633..6a813027667 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 515ee10525b..ef6216be92f 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 831c476fef4..f15bd1a89d6 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 0e414e64902..5203cd4ef0c 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 aa2a564ac74..736874273e8 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 1dcdce98cf5..856ef4b1c9f 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 13abb485e49..e707ed27902 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 00786172fb9..a9bd1d4bb35 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 eb0e395366e..9c43fa48f51 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 eee378fd846..fda1a89de06 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 8c6e1915963..18108d77ebb 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 82f2a0a0bf0..98ca39e1103 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 542826ad1d3..91e84baebc1 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 229b3c26c25..a3fa3b7cd40 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