RISC-V: Add configure support for riscv*-linux*.

This adds the target and native configure support, and the NEWS entries for
the new target and native configurations.

	gdb/
	* Makefile.in (ALL_TARGET_OBS): Add riscv-linux-tdep.c.
	(ALLDEPFILES): Add riscv-linux-nat.c, and riscv-linux-tdep.c.
	* NEWS: Mention new GNU/Linux RISC-V target.
	* configure.host: Add riscv*-*-linux*.
	* configure.nat: Add riscv*.
	* configure.tgt: Add riscv*-*-linux*.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 40210bb..338813a 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
 2018-08-09  Jim Wilson  <jimw@sifive.com>
 
+       * Makefile.in (ALL_TARGET_OBS): Add riscv-linux-tdep.c.
+       (ALLDEPFILES): Add riscv-linux-nat.c, and riscv-linux-tdep.c.
+       * NEWS: Mention new GNU/Linux RISC-V target.
+       * configure.host: Add riscv*-*-linux*.
+       * configure.nat: Add riscv*.
+       * configure.tgt: Add riscv*-*-linux*.
        * riscv-linux-nat.c: New file.
        * riscv-linux-tdep.c: New file.
 

diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 59e3dbf..c007fbc 100644 (file)
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -753,6 +753,7 @@ ALL_TARGET_OBS = \
        ppc-sysv-tdep.o \
        ppc64-tdep.o \
        ravenscar-thread.o \
+       riscv-linux-tdep.o \
        riscv-tdep.o \
        rl78-tdep.o \
        rs6000-aix-tdep.o \
@@ -2304,6 +2305,8 @@ ALLDEPFILES = \
        procfs.c \
        ravenscar-thread.c \
        remote-sim.c \
+       riscv-linux-nat.c \
+       riscv-linux-tdep.c \
        riscv-tdep.c \
        rl78-tdep.c \
        rs6000-lynx178-tdep.c \

diff --git a/gdb/NEWS b/gdb/NEWS
index 7f94665..f275031 100644 (file)
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -41,6 +41,14 @@ thread apply [all | COUNT | -COUNT] [FLAG]... COMMAND
   FLAG arguments allow to control what output to produce and how to handle
   errors raised when applying COMMAND to a thread.
 
+* New native configurations
+
+GNU/Linux/RISC-V               riscv*-*-linux*
+
+* New targets
+
+GNU/Linux/RISC-V               riscv*-*-linux*
+
 *** Changes in GDB 8.2
 
 * The 'set disassembler-options' command now supports specifying options

diff --git a/gdb/configure.host b/gdb/configure.host
index 6bcb8da..23a2f16 100644 (file)
--- a/gdb/configure.host
+++ b/gdb/configure.host
@@ -149,6 +149,8 @@ powerpc64*-*-linux*)        gdb_host=ppc64-linux
                        ;;
 powerpc*-*-linux*)     gdb_host=linux ;;
 
+riscv*-*-linux*)       gdb_host=linux ;;
+
 s390*-*-linux*)                gdb_host=linux ;;
 
 sh*-*-netbsdelf* | sh*-*-knetbsd*-gnu)

diff --git a/gdb/configure.nat b/gdb/configure.nat
index 7611266..feddeaa 100644 (file)
--- a/gdb/configure.nat
+++ b/gdb/configure.nat
@@ -267,6 +267,10 @@ case ${gdb_host} in
                # Host: PowerPC, running Linux
                NATDEPFILES="${NATDEPFILES} ppc-linux-nat.o ppc-linux.o"
                ;;
+           riscv*)
+               # Host: RISC-V, running Linux
+               NATDEPFILES="${NATDEPFILES} riscv-linux-nat.o"
+               ;;
            s390)
                # Host: S390, running Linux
                NATDEPFILES="${NATDEPFILES} s390-linux-nat.o"

diff --git a/gdb/configure.tgt b/gdb/configure.tgt
index f197160..5e3bd5d 100644 (file)
--- a/gdb/configure.tgt
+++ b/gdb/configure.tgt
@@ -517,6 +517,12 @@ s390*-*-linux*)
        build_gdbserver=yes
        ;;
 
+riscv*-*-linux*)
+       # Target: Linux/RISC-V
+       gdb_target_obs="riscv-linux-tdep.o riscv-tdep.o glibc-tdep.o \
+                       linux-tdep.o solib-svr4.o symfile-mem.o linux-record.o"
+       ;;
+
 riscv*-*-*)
        # Target: RISC-V architecture
        gdb_target_obs="riscv-tdep.o"