cpu: Introduce CPUClass::gdb_{read,write}_register()

Completes migration of target-specific code to new target-*/gdbstub.c.

Acked-by: Michael Walle <michael@walle.cc> (for lm32)
Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa)
Signed-off-by: Andreas Färber <afaerber@suse.de>

4 files changed, 14 insertions, 2 deletions

diff --git a/target-xtensa/Makefile.objs b/target-xtensa/Makefile.objs
index 644b7f99bb..5c150a870f 100644
--- a/target-xtensa/Makefile.objs
+++ b/target-xtensa/Makefile.objs
@@ -3,3 +3,4 @@ obj-y += core-dc232b.o
 obj-y += core-dc233c.o
 obj-y += core-fsf.o
 obj-y += translate.o op_helper.o helper.o cpu.o
+obj-y += gdbstub.o
diff --git a/target-xtensa/cpu-qom.h b/target-xtensa/cpu-qom.h
index 1b9479eb9c..c6cc2d91f4 100644
--- a/target-xtensa/cpu-qom.h
+++ b/target-xtensa/cpu-qom.h
@@ -87,5 +87,7 @@ void xtensa_cpu_do_interrupt(CPUState *cpu);
 void xtensa_cpu_dump_state(CPUState *cpu, FILE *f,
                            fprintf_function cpu_fprintf, int flags);
 hwaddr xtensa_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
+int xtensa_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
+int xtensa_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
 
 #endif
diff --git a/target-xtensa/cpu.c b/target-xtensa/cpu.c
index 560fa0c058..e966aa0a79 100644
--- a/target-xtensa/cpu.c
+++ b/target-xtensa/cpu.c
@@ -133,6 +133,8 @@ static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
     cc->do_interrupt = xtensa_cpu_do_interrupt;
     cc->dump_state = xtensa_cpu_dump_state;
     cc->set_pc = xtensa_cpu_set_pc;
+    cc->gdb_read_register = xtensa_cpu_gdb_read_register;
+    cc->gdb_write_register = xtensa_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = xtensa_cpu_get_phys_page_debug;
 #endif
diff --git a/target-xtensa/gdbstub.c b/target-xtensa/gdbstub.c
index c963563f1f..9e13b20c46 100644
--- a/target-xtensa/gdbstub.c
+++ b/target-xtensa/gdbstub.c
@@ -17,9 +17,14 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
+#include "config.h"
+#include "qemu-common.h"
+#include "exec/gdbstub.h"
 
-static int cpu_gdb_read_register(CPUXtensaState *env, uint8_t *mem_buf, int n)
+int xtensa_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
 {
+    XtensaCPU *cpu = XTENSA_CPU(cs);
+    CPUXtensaState *env = &cpu->env;
     const XtensaGdbReg *reg = env->config->gdb_regmap.reg + n;
 
     if (n < 0 || n >= env->config->gdb_regmap.num_regs) {
@@ -55,8 +60,10 @@ static int cpu_gdb_read_register(CPUXtensaState *env, uint8_t *mem_buf, int n)
     }
 }
 
-static int cpu_gdb_write_register(CPUXtensaState *env, uint8_t *mem_buf, int n)
+int xtensa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
 {
+    XtensaCPU *cpu = XTENSA_CPU(cs);
+    CPUXtensaState *env = &cpu->env;
     uint32_t tmp;
     const XtensaGdbReg *reg = env->config->gdb_regmap.reg + n;