Remove pid_to_ptid

This removes pid_to_ptid in favor of calling the ptid_t constructor
directly.

gdb/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* common/ptid.c (pid_to_ptid): Remove.
	* common/ptid.h (pid_to_ptid): Don't declare.
	* aix-thread.c: Update.
	* arm-linux-nat.c: Update.
	* common/ptid.c: Update.
	* common/ptid.h: Update.
	* corelow.c: Update.
	* ctf.c: Update.
	* darwin-nat.c: Update.
	* fbsd-nat.c: Update.
	* fork-child.c: Update.
	* gnu-nat.c: Update.
	* go32-nat.c: Update.
	* inf-ptrace.c: Update.
	* infcmd.c: Update.
	* inferior.c: Update.
	* infrun.c: Update.
	* linux-fork.c: Update.
	* linux-nat.c: Update.
	* nat/aarch64-linux-hw-point.c: Update.
	* nat/fork-inferior.c: Update.
	* nat/x86-linux-dregs.c: Update.
	* nto-procfs.c: Update.
	* obsd-nat.c: Update.
	* procfs.c: Update.
	* progspace.c: Update.
	* remote.c: Update.
	* rs6000-nat.c: Update.
	* s390-linux-nat.c: Update.
	* sol-thread.c: Update.
	* spu-linux-nat.c: Update.
	* target.c: Update.
	* top.c: Update.
	* tracefile-tfile.c: Update.
	* windows-nat.c: Update.

gdb/gdbserver/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* linux-low.c: Update.
	* linux-ppc-low.c: Update.
	* linux-x86-low.c: Update.
	* proc-service.c: Update.
	* server.c: Update.
	* spu-low.c: Update.
	* thread-db.c: Update.
	* win32-low.c: Update.

1 files changed, 9 insertions, 9 deletions

diff --git a/gdb/inf-ptrace.c b/gdb/inf-ptrace.c
index 945af83..3b32b67 100644
--- a/gdb/inf-ptrace.c
+++ b/gdb/inf-ptrace.c
@@ -131,7 +131,7 @@ inf_ptrace_target::create_inferior (const char *exec_file,
   pid = fork_inferior (exec_file, allargs, env, inf_ptrace_me, NULL,
 		       NULL, NULL, NULL);
 
-  ptid = pid_to_ptid (pid);
+  ptid = ptid_t (pid);
   /* We have something that executes now.  We'll be running through
      the shell at this point (if startup-with-shell is true), but the
      pid shouldn't change.  */
@@ -213,10 +213,10 @@ inf_ptrace_target::attach (const char *args, int from_tty)
 
       if (exec_file)
 	printf_unfiltered (_("Attaching to program: %s, %s\n"), exec_file,
-			   target_pid_to_str (pid_to_ptid (pid)));
+			   target_pid_to_str (ptid_t (pid)));
       else
 	printf_unfiltered (_("Attaching to %s\n"),
-			   target_pid_to_str (pid_to_ptid (pid)));
+			   target_pid_to_str (ptid_t (pid)));
 
       gdb_flush (gdb_stdout);
     }
@@ -233,7 +233,7 @@ inf_ptrace_target::attach (const char *args, int from_tty)
   inf = current_inferior ();
   inferior_appeared (inf, pid);
   inf->attach_flag = 1;
-  inferior_ptid = pid_to_ptid (pid);
+  inferior_ptid = ptid_t (pid);
 
   /* Always add a main thread.  If some target extends the ptrace
      target, it should decorate the ptid later with more info.  */
@@ -428,7 +428,7 @@ inf_ptrace_target::wait (ptid_t ptid, struct target_waitstatus *ourstatus,
 	{
 	case PTRACE_FORK:
 	  ourstatus->kind = TARGET_WAITKIND_FORKED;
-	  ourstatus->value.related_pid = pid_to_ptid (pe.pe_other_pid);
+	  ourstatus->value.related_pid = ptid_t (pe.pe_other_pid);
 
 	  /* Make sure the other end of the fork is stopped too.  */
 	  fpid = waitpid (pe.pe_other_pid, &status, 0);
@@ -443,17 +443,17 @@ inf_ptrace_target::wait (ptid_t ptid, struct target_waitstatus *ourstatus,
 	  gdb_assert (pe.pe_other_pid == pid);
 	  if (fpid == ptid_get_pid (inferior_ptid))
 	    {
-	      ourstatus->value.related_pid = pid_to_ptid (pe.pe_other_pid);
-	      return pid_to_ptid (fpid);
+	      ourstatus->value.related_pid = ptid_t (pe.pe_other_pid);
+	      return ptid_t (fpid);
 	    }
 
-	  return pid_to_ptid (pid);
+	  return ptid_t (pid);
 	}
     }
 #endif
 
   store_waitstatus (ourstatus, status);
-  return pid_to_ptid (pid);
+  return ptid_t (pid);
 }
 
 /* Transfer data via ptrace into process PID's memory from WRITEBUF, or