[PATCH 11/13] Make aarch64_linux_prepare_to_resume the same on GDB and GDBserver

[Yao Qi <qiyaoltc@gmail.com>]

gdb:

2015-08-18  Yao Qi  <yao.qi@linaro.org>

	* aarch64-linux-nat.c (aarch64_linux_prepare_to_resume): Use
	lwp_arch_private_info and ptid_of_lwp.

gdb/gdbserver:

2015-08-18  Yao Qi  <yao.qi@linaro.org>

	* linux-aarch64-low.c (aarch64_linux_prepare_to_resume): Use
	lwp_arch_private_info and ptid_of_lwp.
---
 gdb/aarch64-linux-nat.c           |  7 ++++---
 gdb/gdbserver/linux-aarch64-low.c | 10 ++++------
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/gdb/aarch64-linux-nat.c b/gdb/aarch64-linux-nat.c
index 1b3ed57..e3baae5 100644
--- a/gdb/aarch64-linux-nat.c
+++ b/gdb/aarch64-linux-nat.c
@@ -431,7 +431,7 @@ supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
 static void
 aarch64_linux_prepare_to_resume (struct lwp_info *lwp)
 {
-  struct arch_lwp_info *info = lwp->arch_private;
+  struct arch_lwp_info *info = lwp_arch_private_info (lwp);
 
   /* NULL means this is the main thread still going through the shell,
      or, no watchpoint has been set yet.  In that case, there's
@@ -442,9 +442,10 @@ aarch64_linux_prepare_to_resume (struct lwp_info *lwp)
   if (DR_HAS_CHANGED (info->dr_changed_bp)
       || DR_HAS_CHANGED (info->dr_changed_wp))
     {
-      int tid = ptid_get_lwp (lwp->ptid);
+      ptid_t ptid = ptid_of_lwp (lwp);
+      int tid = ptid_get_lwp (ptid);
       struct aarch64_debug_reg_state *state
-	= aarch64_get_debug_reg_state (ptid_get_pid (lwp->ptid));
+	= aarch64_get_debug_reg_state (ptid_get_pid (ptid));
 
       if (show_debug_regs)
 	fprintf_unfiltered (gdb_stdlog, "prepare_to_resume thread %d\n", tid);
diff --git a/gdb/gdbserver/linux-aarch64-low.c b/gdb/gdbserver/linux-aarch64-low.c
index 421dcb9..4b1d7d5 100644
--- a/gdb/gdbserver/linux-aarch64-low.c
+++ b/gdb/gdbserver/linux-aarch64-low.c
@@ -489,20 +489,18 @@ aarch64_linux_new_fork (struct process_info *parent,
 static void
 aarch64_linux_prepare_to_resume (struct lwp_info *lwp)
 {
-  struct thread_info *thread = get_lwp_thread (lwp);
-  ptid_t ptid = ptid_of (thread);
-  struct arch_lwp_info *info = lwp->arch_private;
+  struct arch_lwp_info *info = lwp_arch_private_info (lwp);
 
   if (DR_HAS_CHANGED (info->dr_changed_bp)
       || DR_HAS_CHANGED (info->dr_changed_wp))
     {
+      ptid_t ptid = ptid_of_lwp (lwp);
       int tid = ptid_get_lwp (ptid);
-      struct process_info *proc = find_process_pid (ptid_get_pid (ptid));
       struct aarch64_debug_reg_state *state
-	= &proc->priv->arch_private->debug_reg_state;
+	= aarch64_get_debug_reg_state (ptid_get_pid (ptid));
 
       if (show_debug_regs)
-	fprintf (stderr, "prepare_to_resume thread %ld\n", lwpid_of (thread));
+	fprintf (stderr, "prepare_to_resume thread %d\n", tid);
 
       /* Watchpoints.  */
       if (DR_HAS_CHANGED (info->dr_changed_wp))
-- 
1.9.1