Add GDB XML register description support.

Signed-off-by: Paul Brook <paul@codesourcery.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5459 c046a42c-6fe2-441c-8c8c-71466251a162
ispras · Oct 11, 2008 · 56aebc8 · 56aebc8
1 parent 1792f28
commit 56aebc8
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Showing 13 changed files with 1,239 additions and 605 deletions.
diff --git a/Makefile.target b/Makefile.target
@@ -418,7 +418,7 @@ OBJS+= m68k-sim.o m68k-semi.o
 endif
 
 ifdef CONFIG_GDBSTUB
-OBJS+=gdbstub.o
+OBJS+=gdbstub.o gdbstub-xml.o
 endif
 
 OBJS+= libqemu.a
@@ -456,7 +456,7 @@ OBJS= main.o commpage.o machload.o mmap.o signal.o syscall.o thunk.o
 OBJS+= libqemu.a
 
 ifdef CONFIG_GDBSTUB
-OBJS+=gdbstub.o
+OBJS+=gdbstub.o gdbstub-xml.o
 endif
 
 # Note: this is a workaround. The real fix is to avoid compiling
@@ -626,7 +626,7 @@ OBJS+= an5206.o mcf5206.o ptimer.o mcf_uart.o mcf_intc.o mcf5208.o mcf_fec.o
 OBJS+= m68k-semi.o dummy_m68k.o
 endif
 ifdef CONFIG_GDBSTUB
-OBJS+=gdbstub.o
+OBJS+=gdbstub.o gdbstub-xml.o
 endif
 ifdef CONFIG_COCOA
 COCOA_LIBS=-F/System/Library/Frameworks -framework Cocoa -framework IOKit
@@ -674,6 +674,14 @@ $(QEMU_PROG): $(OBJS) ../libqemu_common.a libqemu.a
 
 endif # !CONFIG_USER_ONLY
 
+gdbstub-xml.c: $(TARGET_XML_FILES) feature_to_c.sh
+	rm -f $@
+ifeq ($(TARGET_XML_FILES),)
+	echo > $@
+else
+	$(SHELL) $(SRC_PATH)/feature_to_c.sh $@ $(TARGET_XML_FILES)
+endif
+
 %.o: %.c
 	$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
 

diff --git a/configure b/configure
@@ -1386,6 +1386,7 @@ elfload32="no"
 target_nptl="no"
 interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_cpu/g"`
 echo "#define CONFIG_QEMU_PREFIX \"$interp_prefix1\"" >> $config_h
+gdb_xml_files=""
 
 case "$target_cpu" in
   i386)
@@ -1425,6 +1426,7 @@ case "$target_cpu" in
     echo "#define TARGET_ARM 1" >> $config_h
     bflt="yes"
     target_nptl="yes"
+    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
   ;;
   cris)
     echo "TARGET_ARCH=cris" >> $config_mak
@@ -1436,6 +1438,7 @@ case "$target_cpu" in
     echo "#define TARGET_ARCH \"m68k\"" >> $config_h
     echo "#define TARGET_M68K 1" >> $config_h
     bflt="yes"
+    gdb_xml_files="cf-core.xml cf-fp.xml"
   ;;
   mips|mipsel)
     echo "TARGET_ARCH=mips" >> $config_mak
@@ -1545,6 +1548,13 @@ if test "$target_darwin_user" = "yes" ; then
   echo "CONFIG_DARWIN_USER=yes" >> $config_mak
   echo "#define CONFIG_DARWIN_USER 1" >> $config_h
 fi
+list=""
+if test ! -z "$gdb_xml_files" ; then
+  for x in $gdb_xml_files; do
+    list="$list $source_path/gdb-xml/$x"
+  done
+fi
+echo "TARGET_XML_FILES=$list" >> $config_mak
 
 if test "$target_cpu" = "arm" \
      -o "$target_cpu" = "armeb" \

diff --git a/cpu-defs.h b/cpu-defs.h
@@ -185,6 +185,8 @@ typedef struct icount_decr_u16 {
     int nb_watchpoints;                                                 \
     int watchpoint_hit;                                                 \
                                                                         \
+    struct GDBRegisterState *gdb_regs;                                  \
+                                                                        \
     /* Core interrupt code */                                           \
     jmp_buf jmp_env;                                                    \
     int exception_index;                                                \

diff --git a/gdb-xml/arm-core.xml b/gdb-xml/arm-core.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2008 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 feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.arm.core">
+  <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="sp" bitsize="32" type="data_ptr"/>
+  <reg name="lr" bitsize="32"/>
+  <reg name="pc" bitsize="32" type="code_ptr"/>
+
+  <!-- The CPSR is register 25, rather than register 16, because
+       the FPA registers historically were placed between the PC
+       and the CPSR in the "g" packet.  -->
+  <reg name="cpsr" bitsize="32" regnum="25"/>
+</feature>
diff --git a/gdb-xml/arm-neon.xml b/gdb-xml/arm-neon.xml
@@ -0,0 +1,88 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2008 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 feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.arm.neon">
+  <vector id="neon_uint8x8" type="uint8" count="8"/>
+  <vector id="neon_uint16x4" type="uint16" count="4"/>
+  <vector id="neon_uint32x2" type="uint32" count="2"/>
+  <vector id="neon_float32x2" type="ieee_single" count="2"/>
+  <union id="neon_d">
+    <field name="u8" type="neon_uint8x8"/>
+    <field name="u16" type="neon_uint16x4"/>
+    <field name="u32" type="neon_uint32x2"/>
+    <field name="u64" type="uint64"/>
+    <field name="f32" type="neon_float32x2"/>
+    <field name="f64" type="ieee_double"/>
+  </union>
+  <vector id="neon_uint8x16" type="uint8" count="16"/>
+  <vector id="neon_uint16x8" type="uint16" count="8"/>
+  <vector id="neon_uint32x4" type="uint32" count="4"/>
+  <vector id="neon_uint64x2" type="uint64" count="2"/>
+  <vector id="neon_float32x4" type="ieee_single" count="4"/>
+  <vector id="neon_float64x2" type="ieee_double" count="2"/>
+  <union id="neon_q">
+    <field name="u8" type="neon_uint8x16"/>
+    <field name="u16" type="neon_uint16x8"/>
+    <field name="u32" type="neon_uint32x4"/>
+    <field name="u64" type="neon_uint64x2"/>
+    <field name="f32" type="neon_float32x4"/>
+    <field name="f64" type="neon_float64x2"/>
+  </union>
+  <reg name="d0" bitsize="64" type="neon_d"/>
+  <reg name="d1" bitsize="64" type="neon_d"/>
+  <reg name="d2" bitsize="64" type="neon_d"/>
+  <reg name="d3" bitsize="64" type="neon_d"/>
+  <reg name="d4" bitsize="64" type="neon_d"/>
+  <reg name="d5" bitsize="64" type="neon_d"/>
+  <reg name="d6" bitsize="64" type="neon_d"/>
+  <reg name="d7" bitsize="64" type="neon_d"/>
+  <reg name="d8" bitsize="64" type="neon_d"/>
+  <reg name="d9" bitsize="64" type="neon_d"/>
+  <reg name="d10" bitsize="64" type="neon_d"/>
+  <reg name="d11" bitsize="64" type="neon_d"/>
+  <reg name="d12" bitsize="64" type="neon_d"/>
+  <reg name="d13" bitsize="64" type="neon_d"/>
+  <reg name="d14" bitsize="64" type="neon_d"/>
+  <reg name="d15" bitsize="64" type="neon_d"/>
+  <reg name="d16" bitsize="64" type="neon_d"/>
+  <reg name="d17" bitsize="64" type="neon_d"/>
+  <reg name="d18" bitsize="64" type="neon_d"/>
+  <reg name="d19" bitsize="64" type="neon_d"/>
+  <reg name="d20" bitsize="64" type="neon_d"/>
+  <reg name="d21" bitsize="64" type="neon_d"/>
+  <reg name="d22" bitsize="64" type="neon_d"/>
+  <reg name="d23" bitsize="64" type="neon_d"/>
+  <reg name="d24" bitsize="64" type="neon_d"/>
+  <reg name="d25" bitsize="64" type="neon_d"/>
+  <reg name="d26" bitsize="64" type="neon_d"/>
+  <reg name="d27" bitsize="64" type="neon_d"/>
+  <reg name="d28" bitsize="64" type="neon_d"/>
+  <reg name="d29" bitsize="64" type="neon_d"/>
+  <reg name="d30" bitsize="64" type="neon_d"/>
+  <reg name="d31" bitsize="64" type="neon_d"/>
+
+  <reg name="q0" bitsize="128" type="neon_q"/>
+  <reg name="q1" bitsize="128" type="neon_q"/>
+  <reg name="q2" bitsize="128" type="neon_q"/>
+  <reg name="q3" bitsize="128" type="neon_q"/>
+  <reg name="q4" bitsize="128" type="neon_q"/>
+  <reg name="q5" bitsize="128" type="neon_q"/>
+  <reg name="q6" bitsize="128" type="neon_q"/>
+  <reg name="q7" bitsize="128" type="neon_q"/>
+  <reg name="q8" bitsize="128" type="neon_q"/>
+  <reg name="q9" bitsize="128" type="neon_q"/>
+  <reg name="q10" bitsize="128" type="neon_q"/>
+  <reg name="q10" bitsize="128" type="neon_q"/>
+  <reg name="q12" bitsize="128" type="neon_q"/>
+  <reg name="q13" bitsize="128" type="neon_q"/>
+  <reg name="q14" bitsize="128" type="neon_q"/>
+  <reg name="q15" bitsize="128" type="neon_q"/>
+
+  <reg name="fpsid" bitsize="32" type="int" group="float"/>
+  <reg name="fpscr" bitsize="32" type="int" group="float"/>
+  <reg name="fpexc" bitsize="32" type="int" group="float"/>
+</feature>
diff --git a/gdb-xml/arm-vfp.xml b/gdb-xml/arm-vfp.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2008 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 feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.arm.vfp">
+  <reg name="d0" bitsize="64" type="float"/>
+  <reg name="d1" bitsize="64" type="float"/>
+  <reg name="d2" bitsize="64" type="float"/>
+  <reg name="d3" bitsize="64" type="float"/>
+  <reg name="d4" bitsize="64" type="float"/>
+  <reg name="d5" bitsize="64" type="float"/>
+  <reg name="d6" bitsize="64" type="float"/>
+  <reg name="d7" bitsize="64" type="float"/>
+  <reg name="d8" bitsize="64" type="float"/>
+  <reg name="d9" bitsize="64" type="float"/>
+  <reg name="d10" bitsize="64" type="float"/>
+  <reg name="d11" bitsize="64" type="float"/>
+  <reg name="d12" bitsize="64" type="float"/>
+  <reg name="d13" bitsize="64" type="float"/>
+  <reg name="d14" bitsize="64" type="float"/>
+  <reg name="d15" bitsize="64" type="float"/>
+
+  <reg name="fpsid" bitsize="32" type="int" group="float"/>
+  <reg name="fpscr" bitsize="32" type="int" group="float"/>
+  <reg name="fpexc" bitsize="32" type="int" group="float"/>
+</feature>
diff --git a/gdb-xml/arm-vfp3.xml b/gdb-xml/arm-vfp3.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2008 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 feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.arm.vfpv3">
+  <reg name="d0" bitsize="64" type="float"/>
+  <reg name="d1" bitsize="64" type="float"/>
+  <reg name="d2" bitsize="64" type="float"/>
+  <reg name="d3" bitsize="64" type="float"/>
+  <reg name="d4" bitsize="64" type="float"/>
+  <reg name="d5" bitsize="64" type="float"/>
+  <reg name="d6" bitsize="64" type="float"/>
+  <reg name="d7" bitsize="64" type="float"/>
+  <reg name="d8" bitsize="64" type="float"/>
+  <reg name="d9" bitsize="64" type="float"/>
+  <reg name="d10" bitsize="64" type="float"/>
+  <reg name="d11" bitsize="64" type="float"/>
+  <reg name="d12" bitsize="64" type="float"/>
+  <reg name="d13" bitsize="64" type="float"/>
+  <reg name="d14" bitsize="64" type="float"/>
+  <reg name="d15" bitsize="64" type="float"/>
+  <reg name="d16" bitsize="64" type="float"/>
+  <reg name="d17" bitsize="64" type="float"/>
+  <reg name="d18" bitsize="64" type="float"/>
+  <reg name="d19" bitsize="64" type="float"/>
+  <reg name="d20" bitsize="64" type="float"/>
+  <reg name="d21" bitsize="64" type="float"/>
+  <reg name="d22" bitsize="64" type="float"/>
+  <reg name="d23" bitsize="64" type="float"/>
+  <reg name="d24" bitsize="64" type="float"/>
+  <reg name="d25" bitsize="64" type="float"/>
+  <reg name="d26" bitsize="64" type="float"/>
+  <reg name="d27" bitsize="64" type="float"/>
+  <reg name="d28" bitsize="64" type="float"/>
+  <reg name="d29" bitsize="64" type="float"/>
+  <reg name="d30" bitsize="64" type="float"/>
+  <reg name="d31" bitsize="64" type="float"/>
+
+  <reg name="fpsid" bitsize="32" type="int" group="float"/>
+  <reg name="fpscr" bitsize="32" type="int" group="float"/>
+  <reg name="fpexc" bitsize="32" type="int" group="float"/>
+</feature>
diff --git a/gdb-xml/cf-core.xml b/gdb-xml/cf-core.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2008 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 feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.coldfire.core">
+  <reg name="d0" bitsize="32"/>
+  <reg name="d1" bitsize="32"/>
+  <reg name="d2" bitsize="32"/>
+  <reg name="d3" bitsize="32"/>
+  <reg name="d4" bitsize="32"/>
+  <reg name="d5" bitsize="32"/>
+  <reg name="d6" bitsize="32"/>
+  <reg name="d7" bitsize="32"/>
+  <reg name="a0" bitsize="32" type="data_ptr"/>
+  <reg name="a1" bitsize="32" type="data_ptr"/>
+  <reg name="a2" bitsize="32" type="data_ptr"/>
+  <reg name="a3" bitsize="32" type="data_ptr"/>
+  <reg name="a4" bitsize="32" type="data_ptr"/>
+  <reg name="a5" bitsize="32" type="data_ptr"/>
+  <reg name="fp" bitsize="32" type="data_ptr"/>
+  <reg name="sp" bitsize="32" type="data_ptr"/>
+
+  <reg name="ps" bitsize="32"/>
+  <reg name="pc" bitsize="32" type="code_ptr"/>
+
+</feature>
diff --git a/gdb-xml/cf-fp.xml b/gdb-xml/cf-fp.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2008 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 feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.coldfire.fp">
+  <reg name="fp0" bitsize="64" type="float" group="float"/>
+  <reg name="fp1" bitsize="64" type="float" group="float"/>
+  <reg name="fp2" bitsize="64" type="float" group="float"/>
+  <reg name="fp3" bitsize="64" type="float" group="float"/>
+  <reg name="fp4" bitsize="64" type="float" group="float"/>
+  <reg name="fp5" bitsize="64" type="float" group="float"/>
+  <reg name="fp6" bitsize="64" type="float" group="float"/>
+  <reg name="fp7" bitsize="64" type="float" group="float"/>
+
+
+  <reg name="fpcontrol" bitsize="32" group="float"/>
+  <reg name="fpstatus" bitsize="32" group="float"/>,
+  <reg name="fpiaddr" bitsize="32" type="code_ptr" group="float"/>
+</feature>