Fix/Update misc comments

While doing some investigation of mine, i noticed a few typos,
inaccuracies and missing information.

I went ahead and updated/improved those.

gdb/ChangeLog:

2020-01-14  Luis Machado  <luis.machado@linaro.org>

	* inf-ptrace.c (inf_ptrace_target::resume): Update comments.
	* infrun.c (resume_1): Likewise.
	(handle_inferior_event): Remove stale comment.
	* linux-nat.c (linux_nat_target::resume): Update comments.
	(save_stop_reason): Likewise.
	(linux_nat_filter_event): Likewise.
	* linux-nat.h (struct lwp_info) <stop_pc>, <stop_reason>: Likewise.

1 files changed, 4 insertions, 4 deletions

diff --git a/gdb/inf-ptrace.c b/gdb/inf-ptrace.c
index ecd82ada4ed..db17a76d946 100644
--- a/gdb/inf-ptrace.c
+++ b/gdb/inf-ptrace.c
@@ -354,10 +354,10 @@ inf_ptrace_target::resume (ptid_t ptid, int step, enum gdb_signal signal)
   if (step)
     {
       /* If this system does not support PT_STEP, a higher level
-         function will have called single_step() to transmute the step
-         request into a continue request (by setting breakpoints on
-         all possible successor instructions), so we don't have to
-         worry about that here.  */
+	 function will have called the appropriate functions to transmute the
+	 step request into a continue request (by setting breakpoints on
+	 all possible successor instructions), so we don't have to
+	 worry about that here.  */
       request = PT_STEP;
     }