Remove ptid_get_lwp

This removes ptid_get_lwp in favor of calling the ptid_t::lwp method.

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

	* common/ptid.c (ptid_get_lwp): Remove.
	* common/ptid.h (ptid_get_lwp): Don't declare.
	* aarch64-linux-nat.c: Update.
	* ada-tasks.c: Update.
	* aix-thread.c: Update.
	* amd64-linux-nat.c: Update.
	* arm-linux-nat.c: Update.
	* corelow.c: Update.
	* fbsd-nat.c: Update.
	* fbsd-tdep.c: Update.
	* gnu-nat.c: Update.
	* i386-cygwin-tdep.c: Update.
	* i386-gnu-nat.c: Update.
	* i386-linux-nat.c: Update.
	* ia64-linux-nat.c: Update.
	* inf-ptrace.c: Update.
	* infrun.c: Update.
	* linux-fork.c: Update.
	* linux-nat.c: Update.
	* linux-tdep.c: Update.
	* linux-thread-db.c: Update.
	* mips-linux-nat.c: Update.
	* nat/aarch64-linux-hw-point.c: Update.
	* nat/aarch64-linux.c: Update.
	* nat/linux-btrace.c: Update.
	* nat/linux-osdata.c: Update.
	* nat/linux-procfs.c: Update.
	* nat/x86-linux-dregs.c: Update.
	* obsd-nat.c: Update.
	* ppc-fbsd-nat.c: Update.
	* ppc-linux-nat.c: Update.
	* procfs.c: Update.
	* python/py-infthread.c: Update.
	* ravenscar-thread.c: Update.
	* remote.c: Update.
	* s390-linux-nat.c: Update.
	* sol-thread.c: Update.
	* sol2-tdep.c: Update.
	* spu-linux-nat.c: Update.
	* x86-linux-nat.c: Update.
	* xtensa-linux-nat.c: Update.

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

	* linux-low.c: Update.
	* linux-mips-low.c: Update.
	* lynx-low.c: Update.
	* nto-low.c: Update.
	* remote-utils.c: Update.
	* server.c: Update.
	* spu-low.c: Update.
	* target.c: Update.
	* thread-db.c: Update.

6 files changed, 8 insertions, 8 deletions

diff --git a/gdb/nat/aarch64-linux-hw-point.c b/gdb/nat/aarch64-linux-hw-point.c
index 3de3e5b..18b5af2 100644
--- a/gdb/nat/aarch64-linux-hw-point.c
+++ b/gdb/nat/aarch64-linux-hw-point.c
@@ -296,7 +296,7 @@ debug_reg_change_callback (struct lwp_info *lwp, void *ptr)
 {
   struct aarch64_dr_update_callback_param *param_p
     = (struct aarch64_dr_update_callback_param *) ptr;
-  int tid = ptid_get_lwp (ptid_of_lwp (lwp));
+  int tid = ptid_of_lwp (lwp).lwp ();
   int idx = param_p->idx;
   int is_watchpoint = param_p->is_watchpoint;
   struct arch_lwp_info *info = lwp_arch_private_info (lwp);
diff --git a/gdb/nat/aarch64-linux.c b/gdb/nat/aarch64-linux.c
index c3c29a0..0f2c801 100644
--- a/gdb/nat/aarch64-linux.c
+++ b/gdb/nat/aarch64-linux.c
@@ -45,7 +45,7 @@ aarch64_linux_prepare_to_resume (struct lwp_info *lwp)
       || DR_HAS_CHANGED (info->dr_changed_wp))
     {
       ptid_t ptid = ptid_of_lwp (lwp);
-      int tid = ptid_get_lwp (ptid);
+      int tid = ptid.lwp ();
       struct aarch64_debug_reg_state *state
 	= aarch64_get_debug_reg_state (ptid.pid ());
 
diff --git a/gdb/nat/linux-btrace.c b/gdb/nat/linux-btrace.c
index b2c30b3..83afe88 100644
--- a/gdb/nat/linux-btrace.c
+++ b/gdb/nat/linux-btrace.c
@@ -469,7 +469,7 @@ linux_enable_bts (ptid_t ptid, const struct btrace_config_bts *conf)
   bts->attr.exclude_hv = 1;
   bts->attr.exclude_idle = 1;
 
-  pid = ptid_get_lwp (ptid);
+  pid = ptid.lwp ();
   if (pid == 0)
     pid = ptid.pid ();
 
@@ -585,7 +585,7 @@ linux_enable_pt (ptid_t ptid, const struct btrace_config_pt *conf)
   size_t pages;
   int pid, pg;
 
-  pid = ptid_get_lwp (ptid);
+  pid = ptid.lwp ();
   if (pid == 0)
     pid = ptid.pid ();
 
diff --git a/gdb/nat/linux-osdata.c b/gdb/nat/linux-osdata.c
index 358a89e..25e895d 100644
--- a/gdb/nat/linux-osdata.c
+++ b/gdb/nat/linux-osdata.c
@@ -70,7 +70,7 @@ linux_common_core_of_thread (ptid_t ptid)
   int core;
 
   sprintf (filename, "/proc/%lld/task/%lld/stat",
-	   (PID_T) ptid.pid (), (PID_T) ptid_get_lwp (ptid));
+	   (PID_T) ptid.pid (), (PID_T) ptid.lwp ());
   gdb_file_up f = gdb_fopen_cloexec (filename, "r");
   if (!f)
     return -1;
diff --git a/gdb/nat/linux-procfs.c b/gdb/nat/linux-procfs.c
index a672cdf..20708fa 100644
--- a/gdb/nat/linux-procfs.c
+++ b/gdb/nat/linux-procfs.c
@@ -240,7 +240,7 @@ linux_proc_tid_get_name (ptid_t ptid)
   char comm_path[100];
   const char *comm_val;
   pid_t pid = ptid.pid ();
-  pid_t tid = ptid_lwp_p (ptid) ? ptid_get_lwp (ptid) : ptid.pid ();
+  pid_t tid = ptid_lwp_p (ptid) ? ptid.lwp () : ptid.pid ();
 
   xsnprintf (comm_path, sizeof (comm_path),
 	     "/proc/%ld/task/%ld/comm", (long) pid, (long) tid);
diff --git a/gdb/nat/x86-linux-dregs.c b/gdb/nat/x86-linux-dregs.c
index d362c30..8aa8717 100644
--- a/gdb/nat/x86-linux-dregs.c
+++ b/gdb/nat/x86-linux-dregs.c
@@ -44,7 +44,7 @@ x86_linux_dr_get (ptid_t ptid, int regnum)
   unsigned long value;
 
   gdb_assert (ptid_lwp_p (ptid));
-  tid = ptid_get_lwp (ptid);
+  tid = ptid.lwp ();
 
   errno = 0;
   value = ptrace (PTRACE_PEEKUSER, tid, u_debugreg_offset (regnum), 0);
@@ -62,7 +62,7 @@ x86_linux_dr_set (ptid_t ptid, int regnum, unsigned long value)
   int tid;
 
   gdb_assert (ptid_lwp_p (ptid));
-  tid = ptid_get_lwp (ptid);
+  tid = ptid.lwp ();
 
   errno = 0;
   ptrace (PTRACE_POKEUSER, tid, u_debugreg_offset (regnum), value);