gdbstub: Expose gdb_get_process() and gdb_get_first_cpu_in_process()

These functions will be needed by user-target.c in order to retrieve
the name of the executable.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230621203627.1808446-5-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230630180423.558337-35-alex.bennee@linaro.org>
diff --git a/gdbstub/internals.h b/gdbstub/internals.h
index 33d21d6..25e4d5e 100644
--- a/gdbstub/internals.h
+++ b/gdbstub/internals.h
@@ -129,6 +129,8 @@
  */
 bool gdb_got_immediate_ack(void);
 /* utility helpers */
+GDBProcess *gdb_get_process(uint32_t pid);
+CPUState *gdb_get_first_cpu_in_process(GDBProcess *process);
 CPUState *gdb_first_attached_cpu(void);
 void gdb_append_thread_id(CPUState *cpu, GString *buf);
 int gdb_get_cpu_index(CPUState *cpu);