[binutils-gdb] gdb: LoongArch: Add Makefile, configure and NEWS

[Tiezhu Yang]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=d203a0647fc73cad89307c37ae060b45aa28eab4

commit d203a0647fc73cad89307c37ae060b45aa28eab4
Author: Tiezhu Yang <yangtiezhu@loongson.cn>
Date:   Fri Feb 11 20:17:56 2022 +0800

    gdb: LoongArch: Add Makefile, configure and NEWS
    
    This commit adds Makefile, configure and NEWS for LoongArch.
    
    Signed-off-by: Zhensong Liu <liuzhensong@loongson.cn>
    Signed-off-by: Qing zhang <zhangqing@loongson.cn>
    Signed-off-by: Youling Tang <tangyouling@loongson.cn>
    Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>

Diff:
---
 gdb/Makefile.in       |  8 ++++++++
 gdb/NEWS              |  4 ++++
 gdb/configure.host    |  3 +++
 gdb/configure.nat     |  4 ++++
 gdb/configure.tgt     | 11 +++++++++++
 gdb/features/Makefile |  3 +++
 6 files changed, 33 insertions(+)

diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index bf19db45343..70cef6e28b5 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -745,6 +745,7 @@ ALL_TARGET_OBS = \
 	arch/arm-get-next-pcs.o \
 	arch/arm-linux.o \
 	arch/i386.o \
+	arch/loongarch.o \
 	arch/ppc-linux-common.o \
 	arm-bsd-tdep.o \
 	arm-fbsd-tdep.o \
@@ -794,6 +795,8 @@ ALL_TARGET_OBS = \
 	linux-record.o \
 	linux-tdep.o \
 	lm32-tdep.o \
+	loongarch-linux-tdep.o \
+	loongarch-tdep.o \
 	m32c-tdep.o \
 	m32r-linux-tdep.o \
 	m32r-tdep.o \
@@ -1357,6 +1360,7 @@ HFILES_NO_SRCDIR = \
 	linux-record.h \
 	linux-tdep.h \
 	location.h \
+	loongarch-tdep.h \
 	m2-lang.h \
 	m32r-tdep.h \
 	m68k-tdep.h \
@@ -1491,6 +1495,7 @@ HFILES_NO_SRCDIR = \
 	arch/arc.h \
 	arch/arm.h \
 	arch/i386.h \
+	arch/loongarch.h \
 	arch/ppc-linux-common.h \
 	arch/ppc-linux-tdesc.h \
 	arch/riscv.h \
@@ -2232,6 +2237,9 @@ ALLDEPFILES = \
 	linux-record.c \
 	linux-tdep.c \
 	lm32-tdep.c \
+	loongarch-linux-nat.c \
+	loongarch-linux-tdep.c \
+	loongarch-tdep.c \
 	m32r-linux-nat.c \
 	m32r-linux-tdep.c \
 	m32r-tdep.c \
diff --git a/gdb/NEWS b/gdb/NEWS
index b4a515120db..e173d38c3a1 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -114,6 +114,10 @@ info win
   This command now includes information about the width of the tui
   windows in its output.
 
+* New targets
+
+GNU/Linux/LoongArch    loongarch*-*-linux*
+
 * Python API
 
   ** New function gdb.add_history(), which takes a gdb.Value object
diff --git a/gdb/configure.host b/gdb/configure.host
index be40cc814fc..da71675b201 100644
--- a/gdb/configure.host
+++ b/gdb/configure.host
@@ -58,6 +58,7 @@ arc*)			gdb_host_cpu=arc ;;
 arm*)			gdb_host_cpu=arm ;;
 hppa*)			gdb_host_cpu=pa ;;
 i[34567]86*)		gdb_host_cpu=i386 ;;
+loongarch*)		gdb_host_cpu=loongarch ;;
 m68*)			gdb_host_cpu=m68k ;;
 mips*)			gdb_host_cpu=mips ;;
 powerpc* | rs6000)	gdb_host_cpu=powerpc ;;
@@ -117,6 +118,8 @@ i[34567]86-*-cygwin*)	gdb_host=cygwin ;;
 
 ia64-*-linux*)		gdb_host=linux ;;
 
+loongarch*-linux*)	gdb_host=linux ;;
+
 m68*-*-linux*)		gdb_host=linux ;;
 m68*-*-netbsd* | m68*-*-knetbsd*-gnu)
 			gdb_host=nbsdelf ;;
diff --git a/gdb/configure.nat b/gdb/configure.nat
index 20ce8050a96..b45519fd116 100644
--- a/gdb/configure.nat
+++ b/gdb/configure.nat
@@ -258,6 +258,10 @@ case ${gdb_host} in
 		# Host: Intel IA-64 running GNU/Linux
 		NATDEPFILES="${NATDEPFILES} ia64-linux-nat.o"
 		;;
+	    loongarch)
+		# Host: LoongArch, running GNU/Linux.
+		NATDEPFILES="${NATDEPFILES} loongarch-linux-nat.o linux-nat-trad.o"
+		;;
 	    m32r)
 		# Host: M32R based machine running GNU/Linux
 		NATDEPFILES="${NATDEPFILES} m32r-linux-nat.o"
diff --git a/gdb/configure.tgt b/gdb/configure.tgt
index 56cdfef937b..65f3bf6387d 100644
--- a/gdb/configure.tgt
+++ b/gdb/configure.tgt
@@ -91,6 +91,11 @@ ia64*-*-*)
 	cpu_obs="ia64-tdep.o"
 	;;
 
+loongarch*-*-*)
+	# Target: LoongArch baremetal
+	cpu_obs="loongarch-tdep.o arch/loongarch.o"
+	;;
+
 riscv*-*-*)
 	cpu_obs="riscv-tdep.o riscv-none-tdep.o arch/riscv.o \
 	         ravenscar-thread.o riscv-ravenscar-thread.o";;
@@ -341,6 +346,12 @@ lm32-*-*)
 	gdb_target_obs="lm32-tdep.o" 
 	;;
 
+loongarch*-*-linux*)
+	# Target: LoongArch running Linux
+	gdb_target_obs="loongarch-linux-tdep.o glibc-tdep.o \
+			linux-tdep.o solib-svr4.o"
+	;;
+
 m32c-*-*)
 	# Target: Renesas M32C family
 	gdb_target_obs="m32c-tdep.o"
diff --git a/gdb/features/Makefile b/gdb/features/Makefile
index bd39abda108..68e17d0085d 100644
--- a/gdb/features/Makefile
+++ b/gdb/features/Makefile
@@ -173,6 +173,7 @@ GDB = false
 aarch64-feature = 1
 arm-feature = 1
 i386-feature = 1
+loongarch-feature = 1
 riscv-feature = 1
 tic6x-feature = 1
 
@@ -226,6 +227,8 @@ FEATURE_XMLFILES = aarch64-core.xml \
 	i386/64bit-pkeys.xml \
 	i386/64bit-sse.xml \
 	i386/x32-core.xml \
+	loongarch/base32.xml \
+	loongarch/base64.xml \
 	riscv/rv32e-xregs.xml \
 	riscv/32bit-cpu.xml \
 	riscv/32bit-fpu.xml \