Constify target_pass_signals and target_program_signals

This constifies the final parameter to target_pass_signals and
target_program_signals and updates the rest of gdb.

Note that I have no way to test the nto-procfs.c change.

gdb/ChangeLog
2019-01-14  Tom Tromey  <tom@tromey.com>

	* target-debug.h (target_debug_print_signals): Constify.
	* nto-procfs.c (nto_procfs_target::pass_signals): Update.
	* procfs.c (procfs_target::pass_signals): Update.
	* linux-nat.c (linux_nat_target::pass_signals): Update.
	* linux-nat.h (class linux_nat_target) <pass_signals>: Update.
	* target-delegates.c: Rebuild.
	* remote.c (remote_target::program_signals): Update.
	(remote_target::pass_signals): Update.
	* target.c (target_pass_signals): Constify argument.
	(target_program_signals): Likewise.
	* target.h (struct target_ops) <pass_signals, program_signals>:
	Constify argument.
	(target_pass_signals, target_program_signals): Constify argument.

1 files changed, 10 insertions, 10 deletions

diff --git a/gdb/target-delegates.c b/gdb/target-delegates.c
index 2ff800c..43c9790 100644
--- a/gdb/target-delegates.c
+++ b/gdb/target-delegates.c
@@ -62,8 +62,8 @@ struct dummy_target : public target_ops
   void follow_exec (struct inferior *arg0, char *arg1) override;
   int set_syscall_catchpoint (int arg0, bool arg1, int arg2, gdb::array_view<const int> arg3) override;
   void mourn_inferior () override;
-  void pass_signals (int arg0, unsigned char * arg1) override;
-  void program_signals (int arg0, unsigned char * arg1) override;
+  void pass_signals (int arg0, const unsigned char * arg1) override;
+  void program_signals (int arg0, const unsigned char * arg1) override;
   bool thread_alive (ptid_t arg0) override;
   void update_thread_list () override;
   const char *pid_to_str (ptid_t arg0) override;
@@ -229,8 +229,8 @@ struct debug_target : public target_ops
   void follow_exec (struct inferior *arg0, char *arg1) override;
   int set_syscall_catchpoint (int arg0, bool arg1, int arg2, gdb::array_view<const int> arg3) override;
   void mourn_inferior () override;
-  void pass_signals (int arg0, unsigned char * arg1) override;
-  void program_signals (int arg0, unsigned char * arg1) override;
+  void pass_signals (int arg0, const unsigned char * arg1) override;
+  void program_signals (int arg0, const unsigned char * arg1) override;
   bool thread_alive (ptid_t arg0) override;
   void update_thread_list () override;
   const char *pid_to_str (ptid_t arg0) override;
@@ -1659,18 +1659,18 @@ debug_target::mourn_inferior ()
 }
 
 void
-target_ops::pass_signals (int arg0, unsigned char * arg1)
+target_ops::pass_signals (int arg0, const unsigned char * arg1)
 {
   this->beneath ()->pass_signals (arg0, arg1);
 }
 
 void
-dummy_target::pass_signals (int arg0, unsigned char * arg1)
+dummy_target::pass_signals (int arg0, const unsigned char * arg1)
 {
 }
 
 void
-debug_target::pass_signals (int arg0, unsigned char * arg1)
+debug_target::pass_signals (int arg0, const unsigned char * arg1)
 {
   fprintf_unfiltered (gdb_stdlog, "-> %s->pass_signals (...)\n", this->beneath ()->shortname ());
   this->beneath ()->pass_signals (arg0, arg1);
@@ -1682,18 +1682,18 @@ debug_target::pass_signals (int arg0, unsigned char * arg1)
 }
 
 void
-target_ops::program_signals (int arg0, unsigned char * arg1)
+target_ops::program_signals (int arg0, const unsigned char * arg1)
 {
   this->beneath ()->program_signals (arg0, arg1);
 }
 
 void
-dummy_target::program_signals (int arg0, unsigned char * arg1)
+dummy_target::program_signals (int arg0, const unsigned char * arg1)
 {
 }
 
 void
-debug_target::program_signals (int arg0, unsigned char * arg1)
+debug_target::program_signals (int arg0, const unsigned char * arg1)
 {
   fprintf_unfiltered (gdb_stdlog, "-> %s->program_signals (...)\n", this->beneath ()->shortname ());
   this->beneath ()->program_signals (arg0, arg1);