[PATCH 1/3] arc: Add XML target descriptions for Linux targets

Anton Kolesov Anton.Kolesov@synopsys.com
Wed Oct 11 14:56:00 GMT 2017


Add XML target descriptions for Linux targets.  Compared to default
Linux descriptions:

- Explicitly specify CPU machine.
- Remove baremetal only ILINK{,1,2} registers.
- Add LP_START and LP_END registers for hardware loops - required to properly
  evaluate possible next instruction during software single instruction
  stepping.
- Add BTA register which contains branch target address - address of next
  instruction when processor is in the delay slot.
- ARC HS description also adds R30, R58 and R59 registers, specific to this
  architecture.

gdb/ChangeLog:
yyyy-mm-dd  Anton Kolesov  <Anton.Kolesov@synopsys.com>

	* arc-tdep (arc_tdesc_init): Use tdesc_arc_arcompact_linux and
	  tdesc_arc_v2_linux.
	  (_initialize_arc_tdep): Invoke initialize_tdesc_arc_v2_linux and
	  initialize_tdesc_arc_arcompact_linux.
	* features/Makefile: Add targets to generate new files.
	* features/arc-arcompact-linux.xml: New file.
	* features/arc-v2-linux.xml: Likewise.
	* features/arc-arcompact-linux.c: Generate.
	* features/arc-v2-linux.c: Likewise.
	* regformats/arc-arcompact-linux.dat: Likewise.
	* regformats/arc-v2-linux.dat: Likewise.
---
 gdb/arc-tdep.c                         | 17 ++++++-
 gdb/features/Makefile                  |  5 ++
 gdb/features/arc-arcompact-linux.c     | 76 ++++++++++++++++++++++++++++
 gdb/features/arc-arcompact-linux.xml   | 84 +++++++++++++++++++++++++++++++
 gdb/features/arc-v2-linux.c            | 83 +++++++++++++++++++++++++++++++
 gdb/features/arc-v2-linux.xml          | 91 ++++++++++++++++++++++++++++++++++
 gdb/regformats/arc-arcompact-linux.dat | 42 ++++++++++++++++
 gdb/regformats/arc-v2-linux.dat        | 45 +++++++++++++++++
 8 files changed, 441 insertions(+), 2 deletions(-)
 create mode 100644 gdb/features/arc-arcompact-linux.c
 create mode 100644 gdb/features/arc-arcompact-linux.xml
 create mode 100644 gdb/features/arc-v2-linux.c
 create mode 100644 gdb/features/arc-v2-linux.xml
 create mode 100644 gdb/regformats/arc-arcompact-linux.dat
 create mode 100644 gdb/regformats/arc-v2-linux.dat

diff --git a/gdb/arc-tdep.c b/gdb/arc-tdep.c
index 771d6df..a825917 100644
--- a/gdb/arc-tdep.c
+++ b/gdb/arc-tdep.c
@@ -42,6 +42,8 @@
 /* Default target descriptions.  */
 #include "features/arc-v2.c"
 #include "features/arc-arcompact.c"
+#include "features/arc-v2-linux.c"
+#include "features/arc-arcompact-linux.c"
 
 /* The frame unwind cache for ARC.  */
 
@@ -1799,13 +1801,22 @@ arc_tdesc_init (struct gdbarch_info info, const struct target_desc **tdesc,
     {
       if (is_arcv2)
 	{
-	  tdesc_loc = tdesc_arc_v2;
+	  /* Usually Linux-specific target description would be provided by
+	     the gdbserver, but it has to be selected manually when debugging
+	     core files.  */
+	  if (info.osabi == GDB_OSABI_LINUX)
+	    tdesc_loc = tdesc_arc_v2_linux;
+	  else
+	    tdesc_loc = tdesc_arc_v2;
 	  if (arc_debug)
 	    debug_printf ("arc: Using default register set for ARC v2.\n");
 	}
       else
 	{
-	  tdesc_loc = tdesc_arc_arcompact;
+	  if (info.osabi == GDB_OSABI_LINUX)
+	    tdesc_loc = tdesc_arc_arcompact_linux;
+	  else
+	    tdesc_loc = tdesc_arc_arcompact;
 	  if (arc_debug)
 	    debug_printf ("arc: Using default register set for ARCompact.\n");
 	}
@@ -2172,6 +2183,8 @@ _initialize_arc_tdep (void)
 
   initialize_tdesc_arc_v2 ();
   initialize_tdesc_arc_arcompact ();
+  initialize_tdesc_arc_v2_linux ();
+  initialize_tdesc_arc_arcompact_linux ();
 
   /* Register ARC-specific commands with gdb.  */
 
diff --git a/gdb/features/Makefile b/gdb/features/Makefile
index 8a7f377..8d5e3d3 100644
--- a/gdb/features/Makefile
+++ b/gdb/features/Makefile
@@ -44,6 +44,7 @@
 #   make GDB=/path/to/gdb XMLTOC="xml files" cfiles
 
 WHICH = aarch64 \
+	arc-v2-linux arc-arcompact-linux \
 	arm/arm-with-iwmmxt arm/arm-with-vfpv2 arm/arm-with-vfpv3 \
 	arm/arm-with-neon \
 	i386/i386 i386/i386-linux \
@@ -84,6 +85,8 @@ WHICH = aarch64 \
 
 # Record which registers should be sent to GDB by default after stop.
 aarch64-expedite = x29,sp,pc
+arc-v2-linux-expedite = sp,pc
+arc-arcompact-linux-expedite = sp,pc
 arm-expedite = r11,sp,pc
 i386-expedite = ebp,esp,eip
 amd64-expedite = rbp,rsp,rip
@@ -133,7 +136,9 @@ OUTPUTS = $(patsubst %,$(outdir)/%.dat,$(WHICH))
 XMLTOC = \
 	aarch64.xml \
 	arc-v2.xml \
+	arc-v2-linux.xml \
 	arc-arcompact.xml \
+	arc-arcompact-linux.xml \
 	arm/arm-with-iwmmxt.xml \
 	arm/arm-with-m-fpa-layout.xml \
 	arm/arm-with-m-vfp-d16.xml \
diff --git a/gdb/features/arc-arcompact-linux.c b/gdb/features/arc-arcompact-linux.c
new file mode 100644
index 0000000..de8da32
--- /dev/null
+++ b/gdb/features/arc-arcompact-linux.c
@@ -0,0 +1,76 @@
+/* THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi:set ro:
+  Original: arc-arcompact-linux.xml */
+
+#include "defs.h"
+#include "osabi.h"
+#include "target-descriptions.h"
+
+struct target_desc *tdesc_arc_arcompact_linux;
+static void
+initialize_tdesc_arc_arcompact_linux (void)
+{
+  struct target_desc *result = allocate_target_description ();
+  set_tdesc_architecture (result, bfd_scan_arch ("ARC700"));
+
+  struct tdesc_feature *feature;
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.arc.core.arcompact");
+  tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r5", 5, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r6", 6, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r7", 7, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r8", 8, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r9", 9, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r10", 10, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r11", 11, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r12", 12, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r13", 13, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r14", 14, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r15", 15, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r16", 16, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r17", 17, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r18", 18, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r19", 19, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r20", 20, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r21", 21, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r22", 22, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r23", 23, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r24", 24, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r25", 25, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "gp", 26, 1, NULL, 32, "data_ptr");
+  tdesc_create_reg (feature, "fp", 27, 1, NULL, 32, "data_ptr");
+  tdesc_create_reg (feature, "sp", 28, 1, NULL, 32, "data_ptr");
+  tdesc_create_reg (feature, "blink", 29, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "lp_count", 30, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "pcl", 31, 1, "", 32, "code_ptr");
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.arc.aux-minimal");
+  struct tdesc_type *field_type;
+  struct tdesc_type *type;
+  type = tdesc_create_flags (feature, "status32_type", 4);
+  tdesc_add_flag (type, 0, "H");
+  tdesc_add_bitfield (type, "E", 1, 2);
+  tdesc_add_bitfield (type, "A", 3, 4);
+  tdesc_add_flag (type, 5, "AE");
+  tdesc_add_flag (type, 6, "DE");
+  tdesc_add_flag (type, 7, "U");
+  tdesc_add_flag (type, 8, "V");
+  tdesc_add_flag (type, 9, "C");
+  tdesc_add_flag (type, 10, "N");
+  tdesc_add_flag (type, 11, "Z");
+  tdesc_add_flag (type, 12, "L");
+  tdesc_add_flag (type, 13, "R");
+  tdesc_add_flag (type, 14, "SE");
+
+  tdesc_create_reg (feature, "pc", 32, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "status32", 33, 1, NULL, 32, "status32_type");
+  tdesc_create_reg (feature, "lp_start", 34, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "lp_end", 35, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "bta", 36, 1, NULL, 32, "code_ptr");
+
+  tdesc_arc_arcompact_linux = result;
+}
diff --git a/gdb/features/arc-arcompact-linux.xml b/gdb/features/arc-arcompact-linux.xml
new file mode 100644
index 0000000..84847ed
--- /dev/null
+++ b/gdb/features/arc-arcompact-linux.xml
@@ -0,0 +1,84 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2015-2017 Free Software Foundation, Inc.
+
+     Copying and distribution of this file, with or without modification,
+     are permitted in any medium without royalty provided the copyright
+     notice and this notice are preserved.  -->
+
+<!DOCTYPE target SYSTEM "gdb-target.dtd">
+<target>
+  <architecture>arc:ARC700</architecture>
+
+  <feature name="org.gnu.gdb.arc.core.arcompact">
+    <reg name="r0"  bitsize="32"/>
+    <reg name="r1"  bitsize="32"/>
+    <reg name="r2"  bitsize="32"/>
+    <reg name="r3"  bitsize="32"/>
+    <reg name="r4"  bitsize="32"/>
+    <reg name="r5"  bitsize="32"/>
+    <reg name="r6"  bitsize="32"/>
+    <reg name="r7"  bitsize="32"/>
+    <reg name="r8"  bitsize="32"/>
+    <reg name="r9"  bitsize="32"/>
+    <reg name="r10" bitsize="32"/>
+    <reg name="r11" bitsize="32"/>
+    <reg name="r12" bitsize="32"/>
+    <reg name="r13" bitsize="32"/>
+    <reg name="r14" bitsize="32"/>
+    <reg name="r15" bitsize="32"/>
+    <reg name="r16" bitsize="32"/>
+    <reg name="r17" bitsize="32"/>
+    <reg name="r18" bitsize="32"/>
+    <reg name="r19" bitsize="32"/>
+    <reg name="r20" bitsize="32"/>
+    <reg name="r21" bitsize="32"/>
+    <reg name="r22" bitsize="32"/>
+    <reg name="r23" bitsize="32"/>
+    <reg name="r24" bitsize="32"/>
+    <reg name="r25" bitsize="32"/>
+
+    <!-- ARC core data pointer registers.  -->
+    <reg name="gp"  bitsize="32" type="data_ptr"/>
+    <reg name="fp"  bitsize="32" type="data_ptr"/>
+    <reg name="sp"  bitsize="32" type="data_ptr"/>
+
+    <!-- Code pointers.  -->
+    <reg name="blink"  bitsize="32" type="code_ptr"/>
+
+    <!-- Here goes extension core registers: r32 - r59 -->
+
+    <!-- Loop counter.  -->
+    <reg name="lp_count" bitsize="32" type="uint32"/>
+
+    <!-- r61 is a reserved register address.  -->
+
+    <!-- r62 is a long immediate value, not a real register.  -->
+
+    <!-- 4-byte aligned read-only program counter.  -->
+    <reg name="pcl" bitsize="32" type="code_ptr" group=""/>
+  </feature>
+
+  <feature name="org.gnu.gdb.arc.aux-minimal">
+    <flags id="status32_type" size="4">
+	<field name="H"   start="0" end="0"/>
+	<field name="E"   start="1" end="2"/>
+	<field name="A"   start="3" end="4"/>
+	<field name="AE"  start="5" end="5"/>
+	<field name="DE"  start="6" end="6"/>
+	<field name="U"   start="7" end="7"/>
+	<field name="V"   start="8" end="8"/>
+	<field name="C"   start="9" end="9"/>
+	<field name="N"   start="10" end="10"/>
+	<field name="Z"   start="11" end="11"/>
+	<field name="L"   start="12" end="12"/>
+	<field name="R"  start="13" end="13"/>
+	<field name="SE"  start="14" end="14"/>
+    </flags>
+
+    <reg name="pc"       bitsize="32" type="code_ptr"/>
+    <reg name="status32" bitsize="32" type="status32_type"/>
+    <reg name="lp_start" bitsize="32" type="code_ptr"/>
+    <reg name="lp_end"   bitsize="32" type="code_ptr"/>
+    <reg name="bta"      bitsize="32" type="code_ptr"/>
+  </feature>
+</target>
diff --git a/gdb/features/arc-v2-linux.c b/gdb/features/arc-v2-linux.c
new file mode 100644
index 0000000..8d93786
--- /dev/null
+++ b/gdb/features/arc-v2-linux.c
@@ -0,0 +1,83 @@
+/* THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi:set ro:
+  Original: arc-v2-linux.xml */
+
+#include "defs.h"
+#include "osabi.h"
+#include "target-descriptions.h"
+
+struct target_desc *tdesc_arc_v2_linux;
+static void
+initialize_tdesc_arc_v2_linux (void)
+{
+  struct target_desc *result = allocate_target_description ();
+  set_tdesc_architecture (result, bfd_scan_arch ("HS"));
+
+  struct tdesc_feature *feature;
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.arc.core.v2");
+  tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r5", 5, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r6", 6, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r7", 7, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r8", 8, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r9", 9, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r10", 10, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r11", 11, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r12", 12, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r13", 13, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r14", 14, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r15", 15, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r16", 16, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r17", 17, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r18", 18, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r19", 19, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r20", 20, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r21", 21, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r22", 22, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r23", 23, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r24", 24, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r25", 25, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "gp", 26, 1, NULL, 32, "data_ptr");
+  tdesc_create_reg (feature, "fp", 27, 1, NULL, 32, "data_ptr");
+  tdesc_create_reg (feature, "sp", 28, 1, NULL, 32, "data_ptr");
+  tdesc_create_reg (feature, "r30", 29, 1, "", 32, "int");
+  tdesc_create_reg (feature, "blink", 30, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "r58", 31, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "r59", 32, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "lp_count", 33, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "pcl", 34, 1, "", 32, "code_ptr");
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.arc.aux-minimal");
+  struct tdesc_type *field_type;
+  struct tdesc_type *type;
+  type = tdesc_create_flags (feature, "status32_type", 4);
+  tdesc_add_flag (type, 0, "H");
+  tdesc_add_bitfield (type, "E", 1, 4);
+  tdesc_add_flag (type, 5, "AE");
+  tdesc_add_flag (type, 6, "DE");
+  tdesc_add_flag (type, 7, "U");
+  tdesc_add_flag (type, 8, "V");
+  tdesc_add_flag (type, 9, "C");
+  tdesc_add_flag (type, 10, "N");
+  tdesc_add_flag (type, 11, "Z");
+  tdesc_add_flag (type, 12, "L");
+  tdesc_add_flag (type, 13, "DZ");
+  tdesc_add_flag (type, 14, "SC");
+  tdesc_add_flag (type, 15, "ES");
+  tdesc_add_bitfield (type, "RB", 16, 18);
+  tdesc_add_flag (type, 19, "AD");
+  tdesc_add_flag (type, 20, "US");
+  tdesc_add_flag (type, 31, "IE");
+
+  tdesc_create_reg (feature, "pc", 35, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "status32", 36, 1, NULL, 32, "status32_type");
+  tdesc_create_reg (feature, "lp_start", 37, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "lp_end", 38, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "bta", 39, 1, NULL, 32, "code_ptr");
+
+  tdesc_arc_v2_linux = result;
+}
diff --git a/gdb/features/arc-v2-linux.xml b/gdb/features/arc-v2-linux.xml
new file mode 100644
index 0000000..4bd17ac
--- /dev/null
+++ b/gdb/features/arc-v2-linux.xml
@@ -0,0 +1,91 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2015-2017 Free Software Foundation, Inc.
+
+     Copying and distribution of this file, with or without modification,
+     are permitted in any medium without royalty provided the copyright
+     notice and this notice are preserved.  -->
+
+<!DOCTYPE target SYSTEM "gdb-target.dtd">
+<target>
+  <architecture>arc:HS</architecture>
+
+  <feature name="org.gnu.gdb.arc.core.v2">
+    <reg name="r0"  bitsize="32"/>
+    <reg name="r1"  bitsize="32"/>
+    <reg name="r2"  bitsize="32"/>
+    <reg name="r3"  bitsize="32"/>
+    <reg name="r4"  bitsize="32"/>
+    <reg name="r5"  bitsize="32"/>
+    <reg name="r6"  bitsize="32"/>
+    <reg name="r7"  bitsize="32"/>
+    <reg name="r8"  bitsize="32"/>
+    <reg name="r9"  bitsize="32"/>
+    <reg name="r10" bitsize="32"/>
+    <reg name="r11" bitsize="32"/>
+    <reg name="r12" bitsize="32"/>
+    <reg name="r13" bitsize="32"/>
+    <reg name="r14" bitsize="32"/>
+    <reg name="r15" bitsize="32"/>
+    <reg name="r16" bitsize="32"/>
+    <reg name="r17" bitsize="32"/>
+    <reg name="r18" bitsize="32"/>
+    <reg name="r19" bitsize="32"/>
+    <reg name="r20" bitsize="32"/>
+    <reg name="r21" bitsize="32"/>
+    <reg name="r22" bitsize="32"/>
+    <reg name="r23" bitsize="32"/>
+    <reg name="r24" bitsize="32"/>
+    <reg name="r25" bitsize="32"/>
+
+    <!-- ARC core data pointer registers.  -->
+    <reg name="gp"  bitsize="32" type="data_ptr"/>
+    <reg name="fp"  bitsize="32" type="data_ptr"/>
+    <reg name="sp"  bitsize="32" type="data_ptr"/>
+
+    <reg name="r30"   bitsize="32" group=""/>
+    <reg name="blink" bitsize="32" type="code_ptr"/>
+
+    <!-- Here goes extension core registers: r32 - r57.  -->
+    <reg name="r58"   bitsize="32"/>
+    <reg name="r59"   bitsize="32"/>
+
+    <!-- Loop counter.  -->
+    <reg name="lp_count" bitsize="32" type="uint32"/>
+
+    <!-- r61 is a reserved register address.  -->
+
+    <!-- r62 is a long immediate value, not a real register.  -->
+
+    <!-- 4-byte aligned read-only program counter.  -->
+    <reg name="pcl" bitsize="32" type="code_ptr" group=""/>
+  </feature>
+
+  <feature name="org.gnu.gdb.arc.aux-minimal">
+    <flags id="status32_type" size="4">
+	<field name="H"   start="0" end="0"/>
+	<field name="E"   start="1" end="4"/>
+	<field name="AE"  start="5" end="5"/>
+	<field name="DE"  start="6" end="6"/>
+	<field name="U"   start="7" end="7"/>
+	<field name="V"   start="8" end="8"/>
+	<field name="C"   start="9" end="9"/>
+	<field name="N"   start="10" end="10"/>
+	<field name="Z"   start="11" end="11"/>
+	<field name="L"   start="12" end="12"/>
+	<field name="DZ"  start="13" end="13"/>
+	<field name="SC"  start="14" end="14"/>
+	<field name="ES"  start="15" end="15"/>
+	<field name="RB"  start="16" end="18"/>
+	<field name="AD"  start="19" end="19"/>
+	<field name="US"  start="20" end="20"/>
+	<field name="IE"  start="31" end="31"/>
+    </flags>
+
+    <reg name="pc"       bitsize="32" type="code_ptr"/>
+    <reg name="status32" bitsize="32" type="status32_type"/>
+    <reg name="lp_start" bitsize="32" type="code_ptr"/>
+    <reg name="lp_end"   bitsize="32" type="code_ptr"/>
+    <reg name="bta"      bitsize="32" type="code_ptr"/>
+  </feature>
+
+</target>
diff --git a/gdb/regformats/arc-arcompact-linux.dat b/gdb/regformats/arc-arcompact-linux.dat
new file mode 100644
index 0000000..1d35860
--- /dev/null
+++ b/gdb/regformats/arc-arcompact-linux.dat
@@ -0,0 +1,42 @@
+# THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
+# Generated from: arc-arcompact-linux.xml
+name:arc_arcompact_linux
+xmltarget:arc-arcompact-linux.xml
+expedite:sp,pc
+32:r0
+32:r1
+32:r2
+32:r3
+32:r4
+32:r5
+32:r6
+32:r7
+32:r8
+32:r9
+32:r10
+32:r11
+32:r12
+32:r13
+32:r14
+32:r15
+32:r16
+32:r17
+32:r18
+32:r19
+32:r20
+32:r21
+32:r22
+32:r23
+32:r24
+32:r25
+32:gp
+32:fp
+32:sp
+32:blink
+32:lp_count
+32:pcl
+32:pc
+32:status32
+32:lp_start
+32:lp_end
+32:bta
diff --git a/gdb/regformats/arc-v2-linux.dat b/gdb/regformats/arc-v2-linux.dat
new file mode 100644
index 0000000..7e5d190
--- /dev/null
+++ b/gdb/regformats/arc-v2-linux.dat
@@ -0,0 +1,45 @@
+# THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
+# Generated from: arc-v2-linux.xml
+name:arc_v2_linux
+xmltarget:arc-v2-linux.xml
+expedite:sp,pc
+32:r0
+32:r1
+32:r2
+32:r3
+32:r4
+32:r5
+32:r6
+32:r7
+32:r8
+32:r9
+32:r10
+32:r11
+32:r12
+32:r13
+32:r14
+32:r15
+32:r16
+32:r17
+32:r18
+32:r19
+32:r20
+32:r21
+32:r22
+32:r23
+32:r24
+32:r25
+32:gp
+32:fp
+32:sp
+32:r30
+32:blink
+32:r58
+32:r59
+32:lp_count
+32:pcl
+32:pc
+32:status32
+32:lp_start
+32:lp_end
+32:bta
-- 
2.8.3



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